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OpenRCT2/src/ride/vehicle.c

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#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
/*****************************************************************************
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
* For more information, visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* A full copy of the GNU General Public License can be found in licence.txt
*****************************************************************************/
#pragma endregion
#include "../game.h"
#include "../audio/audio.h"
#include "../audio/mixer.h"
#include "../config.h"
#include "../editor.h"
#include "../hook.h"
#include "../interface/viewport.h"
#include "../localisation/localisation.h"
#include "../openrct2.h"
#include "../scenario.h"
#include "../world/map_animation.h"
#include "../world/sprite.h"
#include "../world/scenery.h"
#include "cable_lift.h"
#include "track.h"
#include "ride.h"
#include "ride_data.h"
#include "track.h"
#include "track_data.h"
#include "vehicle.h"
#include "vehicle_data.h"
static void vehicle_update(rct_vehicle *vehicle);
static void vehicle_update_showing_film(rct_vehicle *vehicle);
static void vehicle_update_doing_circus_show(rct_vehicle *vehicle);
static void vehicle_update_moving_to_end_of_station(rct_vehicle *vehicle);
static void vehicle_update_waiting_for_passengers(rct_vehicle* vehicle);
static void vehicle_update_waiting_to_depart(rct_vehicle* vehicle);
static void vehicle_update_departing(rct_vehicle* vehicle);
static void vehicle_finish_departing(rct_vehicle* vehicle);
static void vehicle_update_travelling(rct_vehicle* vehicle);
static void vehicle_update_ferris_wheel_rotating(rct_vehicle* vehicle);
static void vehicle_update_rotating(rct_vehicle* vehicle);
static void vehicle_update_space_rings_operating(rct_vehicle* vehicle);
static void vehicle_update_haunted_house_operating(rct_vehicle* vehicle);
static void vehicle_update_crooked_house_operating(rct_vehicle* vehicle);
static void vehicle_update_bumpcar_mode(rct_vehicle* vehicle);
static void vehicle_update_swinging(rct_vehicle* vehicle);
static void vehicle_update_simulator_operating(rct_vehicle* vehicle);
static void vehicle_update_top_spin_operating(rct_vehicle* vehicle);
static void vehicle_update_crash(rct_vehicle *vehicle);
static void vehicle_update_travelling_boat(rct_vehicle* vehicle);
static void vehicle_update_motion_boat_hire(rct_vehicle *vehicle);
static void sub_6DA280(rct_vehicle *vehicle);
static bool vehicle_is_boat_on_water(rct_vehicle *vehicle, int x, int y);
static void vehicle_update_arriving(rct_vehicle* vehicle);
static void vehicle_update_unloading_passengers(rct_vehicle* vehicle);
static void vehicle_update_waiting_for_cable_lift(rct_vehicle *vehicle);
static void vehicle_update_travelling_cable_lift(rct_vehicle* vehicle);
static void vehicle_update_crash_setup(rct_vehicle* vehicle);
static void vehicle_update_collision_setup(rct_vehicle* vehicle);
static int vehicle_update_motion_bumper_car(rct_vehicle* vehicle);
static void sub_6D63D4(rct_vehicle *vehicle);
static bool vehicle_update_motion_collision_detection(rct_vehicle *vehicle, sint16 x, sint16 y, sint16 z, uint16 *otherVehicleIndex);
static void vehicle_update_sound(rct_vehicle *vehicle);
static int vehicle_update_scream_sound(rct_vehicle *vehicle);
static void vehicle_kill_all_passengers(rct_vehicle* vehicle);
static bool vehicle_can_depart_synchronised(rct_vehicle *vehicle);
#define NO_SCREAM 254
rct_vehicle *gCurrentVehicle;
static uint8 _vehicleBreakdown;
uint8 _vehicleStationIndex;
uint32 _vehicleMotionTrackFlags;
sint32 _vehicleVelocityF64E08;
sint32 _vehicleVelocityF64E0C;
sint32 _vehicleUnkF64E10;
uint8 _vehicleVAngleEndF64E36;
uint8 _vehicleBankEndF64E37;
uint8 _vehicleF64E2C;
rct_vehicle * _vehicleFrontVehicle;
rct_xyz16 unk_F64E20;
const uint8 byte_9A3A14[] = { SOUND_SCREAM_8, SOUND_SCREAM_1 };
const uint8 byte_9A3A16[] = { SOUND_SCREAM_1, SOUND_SCREAM_6 };
const uint8 byte_9A3A18[] = {
SOUND_SCREAM_3, SOUND_SCREAM_1, SOUND_SCREAM_5, SOUND_SCREAM_6,
SOUND_SCREAM_7, SOUND_SCREAM_2, SOUND_SCREAM_4
};
const uint8 _soundParams[SOUND_MAXID][2] = {
{ 1, 0 }, // SOUND_LIFT_1
{ 1, 0 }, // SOUND_TRACK_FRICTION_1
{ 1, 0 }, // SOUND_LIFT_2
{ 0, 1 }, // SOUND_SCREAM_1
{ 0, 0 }, // SOUND_CLICK_1
{ 0, 0 }, // SOUND_CLICK_2
{ 0, 0 }, // SOUND_PLACE_ITEM
{ 0, 1 }, // SOUND_SCREAM_2
{ 0, 1 }, // SOUND_SCREAM_3
{ 0, 1 }, // SOUND_SCREAM_4
{ 0, 1 }, // SOUND_SCREAM_5
{ 0, 1 }, // SOUND_SCREAM_6
{ 1, 0 }, // SOUND_LIFT_3
{ 0, 0 }, // SOUND_PURCHASE
{ 0, 0 }, // SOUND_CRASH
{ 0, 0 }, // SOUND_LAYING_OUT_WATER
{ 0, 0 }, // SOUND_WATER_1
{ 0, 0 }, // SOUND_WATER_2
{ 0, 1 }, // SOUND_TRAIN_WHISTLE
{ 0, 1 }, // SOUND_TRAIN_CHUGGING
{ 0, 0 }, // SOUND_WATER_SPLASH
{ 1, 0 }, // SOUND_HAMMERING
{ 0, 0 }, // SOUND_RIDE_LAUNCH_1
{ 0, 0 }, // SOUND_RIDE_LAUNCH_2
{ 0, 0 }, // SOUND_COUGH_1
{ 0, 0 }, // SOUND_COUGH_2
{ 0, 0 }, // SOUND_COUGH_3
{ 0, 0 }, // SOUND_COUGH_4
{ 1, 0 }, // SOUND_RAIN_1
{ 0, 0 }, // SOUND_THUNDER_1
{ 0, 0 }, // SOUND_THUNDER_2
{ 1, 0 }, // SOUND_RAIN_2
{ 1, 0 }, // SOUND_RAIN_3
{ 0, 0 }, // SOUND_BALLOON_POP
{ 0, 0 }, // SOUND_MECHANIC_FIX
{ 0, 1 }, // SOUND_SCREAM_7
{ 0, 0 }, // SOUND_TOILET_FLUSH
{ 0, 0 }, // SOUND_CLICK_3
{ 0, 0 }, // SOUND_QUACK
{ 0, 0 }, // SOUND_NEWS_ITEM
{ 0, 0 }, // SOUND_WINDOW_OPEN
{ 0, 0 }, // SOUND_LAUGH_1
{ 0, 0 }, // SOUND_LAUGH_2
{ 0, 0 }, // SOUND_LAUGH_3
{ 0, 0 }, // SOUND_APPLAUSE
{ 0, 0 }, // SOUND_HAUNTED_HOUSE_SCARE
{ 0, 0 }, // SOUND_HAUNTED_HOUSE_SCREAM_1
{ 0, 0 }, // SOUND_HAUNTED_HOUSE_SCREAM_2
{ 0, 0 }, // SOUND_48
{ 0, 0 }, // SOUND_49
{ 0, 0 }, // SOUND_ERROR
{ 0, 0 }, // SOUND_51
{ 1, 0 }, // SOUND_LIFT_4
{ 1, 0 }, // SOUND_LIFT_5
{ 1, 0 }, // SOUND_TRACK_FRICTION_2
{ 1, 0 }, // SOUND_LIFT_6
{ 1, 0 }, // SOUND_LIFT_7
{ 1, 2 }, // SOUND_TRACK_FRICTION_3
{ 0, 1 }, // SOUND_SCREAM_8
{ 0, 1 }, // SOUND_TRAM
{ 0, 0 }, // SOUND_DOOR_OPEN
{ 0, 0 }, // SOUND_DOOR_CLOSE
{ 0, 0 } // SOUND_62
};
static const uint8 SpaceRingsTimeToSpriteMap[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4,
4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8,
8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13,
13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18,
19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 0,
0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5,
5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10,
11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16,
16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21,
21, 22, 22, 22, 23, 23, 23, 0, 0, 0, 1, 1, 1, 2, 2, 2,
3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8,
8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13,
13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18,
19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 0,
0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3,
3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6,
6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5,
5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2,
2, 1, 1, 1, 1, 0, 0, 0, 0, 23, 23, 23, 22, 22, 22, 21,
21, 21, 20, 20, 20, 19, 19, 19, 18, 18, 18, 17, 17, 17, 16, 16,
16, 15, 15, 15, 14, 14, 14, 13, 13, 13, 12, 12, 12, 11, 11, 11,
10, 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 6, 5,
5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 0, 0,
0, 23, 23, 23, 22, 22, 22, 21, 21, 21, 20, 20, 20, 19, 19, 19,
18, 18, 18, 17, 17, 17, 16, 16, 16, 15, 15, 15, 14, 14, 14, 13,
13, 13, 12, 12, 12, 11, 11, 11, 10, 10, 10, 9, 9, 9, 8, 8,
8, 7, 7, 7, 6, 6, 6, 5, 5, 5, 4, 4, 4, 3, 3, 3,
2, 2, 2, 1, 1, 1, 0, 0, 0, 23, 23, 23, 22, 22, 22, 21,
21, 21, 20, 20, 20, 19, 19, 19, 18, 18, 18, 17, 17, 17, 16, 16,
16, 15, 15, 15, 14, 14, 14, 13, 13, 13, 12, 12, 12, 11, 11, 11,
10, 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6,
6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3,
3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 24, 24, 24,
24, 24, 24, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 27,
27, 27, 27, 27, 28, 28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30,
30, 31, 31, 31, 32, 32, 32, 33, 33, 33, 34, 34, 34, 35, 35, 35,
36, 36, 36, 37, 37, 37, 38, 38, 38, 39, 39, 39, 40, 40, 40, 41,
41, 41, 42, 42, 42, 43, 43, 43, 44, 44, 44, 45, 45, 45, 46, 46,
46, 47, 47, 47, 48, 48, 48, 49, 49, 49, 50, 50, 50, 51, 51, 51,
52, 52, 52, 53, 53, 53, 54, 54, 54, 55, 55, 55, 56, 56, 56, 57,
57, 57, 58, 58, 58, 59, 59, 59, 60, 60, 60, 61, 61, 61, 62, 62,
62, 63, 63, 63, 64, 64, 64, 65, 65, 65, 66, 66, 66, 67, 67, 67,
68, 68, 68, 69, 69, 69, 70, 70, 70, 71, 71, 71, 72, 72, 72, 73,
73, 73, 74, 74, 74, 75, 75, 75, 76, 76, 76, 77, 77, 77, 78, 78,
78, 79, 79, 79, 80, 80, 80, 80, 81, 81, 81, 81, 82, 82, 82, 82,
82, 83, 83, 83, 83, 83, 84, 84, 84, 84, 84, 84, 85, 85, 85, 85,
85, 85, 86, 86, 86, 86, 86, 86, 86, 86, 87, 87, 87, 87, 87, 87,
87, 87, 87, 87, 87, 87, 87, 87, 86, 86, 86, 86, 86, 86, 86, 85,
85, 85, 85, 85, 85, 84, 84, 84, 84, 84, 84, 83, 83, 83, 83, 83,
82, 82, 82, 82, 82, 81, 81, 81, 81, 80, 80, 80, 80, 79, 79, 79,
78, 78, 78, 77, 77, 77, 76, 76, 76, 75, 75, 75, 74, 74, 74, 73,
73, 73, 72, 72, 72, 71, 71, 71, 70, 70, 70, 69, 69, 69, 68, 68,
68, 67, 67, 67, 66, 66, 66, 65, 65, 65, 64, 64, 64, 63, 63, 63,
62, 62, 62, 61, 61, 61, 60, 60, 60, 59, 59, 59, 58, 58, 58, 57,
57, 57, 56, 56, 56, 55, 55, 55, 54, 54, 54, 53, 53, 53, 52, 52,
52, 51, 51, 51, 50, 50, 50, 49, 49, 49, 48, 48, 48, 47, 47, 47,
46, 46, 46, 45, 45, 45, 44, 44, 44, 43, 43, 43, 42, 42, 42, 41,
41, 41, 40, 40, 40, 39, 39, 39, 38, 38, 38, 37, 37, 37, 36, 36,
36, 35, 35, 35, 34, 34, 34, 33, 33, 33, 32, 32, 32, 31, 31, 31,
30, 30, 30, 30, 29, 29, 29, 29, 28, 28, 28, 28, 28, 27, 27, 27,
27, 27, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 25, 24, 24,
24, 24, 24, 24, 24, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3,
3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6,
6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11,
11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16,
16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 21,
22, 22, 22, 23, 23, 23, 0, 0, 0, 1, 1, 1, 2, 2, 2, 3,
3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8,
8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13,
14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19,
19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 0, 0,
0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5,
6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11,
11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16,
16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 21,
22, 22, 22, 23, 23, 23, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2,
2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5,
5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6,
6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3,
3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0,
23, 23, 23, 22, 22, 22, 21, 21, 21, 20, 20, 20, 19, 19, 19, 18,
18, 18, 17, 17, 17, 16, 16, 16, 15, 15, 15, 14, 14, 14, 13, 13,
13, 12, 12, 12, 11, 11, 11, 10, 10, 10, 9, 9, 9, 8, 8, 8,
7, 7, 7, 6, 6, 6, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2,
2, 2, 1, 1, 1, 0, 0, 0, 23, 23, 23, 22, 22, 22, 21, 21,
21, 20, 20, 20, 19, 19, 19, 18, 18, 18, 17, 17, 17, 16, 16, 16,
15, 15, 15, 14, 14, 14, 13, 13, 13, 12, 12, 12, 11, 11, 11, 10,
10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 6, 5, 5,
5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 0, 0, 0,
23, 23, 23, 22, 22, 22, 21, 21, 21, 20, 20, 20, 19, 19, 19, 18,
18, 18, 17, 17, 17, 16, 16, 16, 15, 15, 15, 14, 14, 14, 13, 13,
13, 12, 12, 12, 11, 11, 11, 10, 10, 10, 9, 9, 9, 8, 8, 8,
7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4,
4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1,
1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25,
26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28,
29, 29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 32, 32, 32, 33, 33,
33, 34, 34, 34, 35, 35, 35, 36, 36, 36, 37, 37, 37, 38, 38, 38,
39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42, 43, 43, 43, 44,
44, 44, 45, 45, 45, 46, 46, 46, 47, 47, 47, 48, 48, 48, 49, 49,
49, 50, 50, 50, 51, 51, 51, 52, 52, 52, 53, 53, 53, 54, 54, 54,
55, 55, 55, 56, 56, 56, 57, 57, 57, 58, 58, 58, 59, 59, 59, 60,
60, 60, 61, 61, 61, 62, 62, 62, 63, 63, 63, 64, 64, 64, 65, 65,
65, 66, 66, 66, 67, 67, 67, 68, 68, 68, 69, 69, 69, 70, 70, 70,
71, 71, 71, 72, 72, 72, 73, 73, 73, 74, 74, 74, 75, 75, 75, 76,
76, 76, 77, 77, 77, 78, 78, 78, 79, 79, 79, 80, 80, 80, 80, 81,
81, 81, 81, 82, 82, 82, 82, 82, 83, 83, 83, 83, 83, 84, 84, 84,
84, 84, 84, 85, 85, 85, 85, 85, 85, 86, 86, 86, 86, 86, 86, 86,
86, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 87, 86,
86, 86, 86, 86, 86, 86, 85, 85, 85, 85, 85, 85, 84, 84, 84, 84,
84, 84, 83, 83, 83, 83, 83, 82, 82, 82, 82, 82, 81, 81, 81, 81,
80, 80, 80, 80, 79, 79, 79, 78, 78, 78, 77, 77, 77, 76, 76, 76,
75, 75, 75, 74, 74, 74, 73, 73, 73, 72, 72, 72, 71, 71, 71, 70,
70, 70, 69, 69, 69, 68, 68, 68, 67, 67, 67, 66, 66, 66, 65, 65,
65, 64, 64, 64, 63, 63, 63, 62, 62, 62, 61, 61, 61, 60, 60, 60,
59, 59, 59, 58, 58, 58, 57, 57, 57, 56, 56, 56, 55, 55, 55, 54,
54, 54, 53, 53, 53, 52, 52, 52, 51, 51, 51, 50, 50, 50, 49, 49,
49, 48, 48, 48, 47, 47, 47, 46, 46, 46, 45, 45, 45, 44, 44, 44,
43, 43, 43, 42, 42, 42, 41, 41, 41, 40, 40, 40, 39, 39, 39, 38,
38, 38, 37, 37, 37, 36, 36, 36, 35, 35, 35, 34, 34, 34, 33, 33,
33, 32, 32, 32, 31, 31, 31, 30, 30, 30, 30, 29, 29, 29, 29, 28,
28, 28, 28, 28, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 25,
25, 25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 0,
255
};
static const sint8 SwingingTimeToSpriteMap_0[] = { 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, -1, -1, -1, -1, -1, -1, -1, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, -1, 0, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_1[] = { 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, -1, -1, -1, -1, -2, -2, -2, -2, -2, -3, -3, -3, -3, -3, -3, -4, -4, -4, -4, -4, -4, -4, -4, -4, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -4, -4, -4, -4, -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_2[] = { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 0, 0, 0, -1, -1, -1, -2, -2, -2, -3, -3, -3, -3, -4, -4, -4, -4, -4, -5, -5, -5, -5, -5, -5, -6, -6, -6, -6, -6, -6, -6, -6, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -6, -6, -6, -6, -6, -6, -6, -6, -5, -5, -5, -5, -5, -5, -4, -4, -4, -4, -4, -3, -3, -3, -3, -2, -2, -2, -1, -1, -1, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_3[] = { 0, 1, 1, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 0, 0, -1, -1, -2, -2, -3, -3, -4, -4, -4, -5, -5, -5, -5, -6, -6, -6, -6, -6, -7, -7, -7, -7, -7, -7, -8, -8, -8, -8, -8, -8, -8, -8, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -8, -8, -8, -8, -8, -8, -8, -8, -7, -7, -7, -7, -7, -7, -6, -6, -6, -6, -6, -5, -5, -5, -5, -4, -4, -4, -3, -3, -2, -2, -1, -1, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_4[] = { 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, -1, -1, -1, -1, -1, -2, -2, -2, -2, -2, -3, -3, -3, -3, -3, -4, -4, -4, -4, -4, -5, -5, -5, -5, -5, -5, -5, -6, -6, -6, -6, -6, -6, -6, -6, -6, -6, -6, -6, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -6, -6, -6, -6, -6, -6, -6, -6, -6, -6, -6, -6, -5, -5, -5, -5, -5, -5, -5, -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, -1, 0, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_5[] = { 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, -1, -1, -1, -1, -2, -2, -2, -2, -3, -3, -3, -3, -4, -4, -4, -4, -5, -5, -5, -5, -6, -6, -6, -6, -7, -7, -7, -7, -8, -8, -8, -8, -9, -9, -9, -9, -10, -10, -10, -10, -11, -11, -11, -11, -12, -12, -12, -12, -13, -13, -13, -13, -13, -13, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -15, -14, -14, -14, -14, -14, -14, -14, -14, -14, -14, -13, -13, -13, -13, -13, -13, -12, -12, -12, -12, -11, -11, -11, -11, -10, -10, -10, -10, -9, -9, -9, -9, -8, -8, -8, -8, -7, -7, -7, -7, -6, -6, -6, -6, -5, -5, -5, -5, -4, -4, -4, -4, -3, -3, -3, -3, -2, -2, -2, -2, -1, -1, -1, -1, 0, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_6[] = { 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 22, 22, 22, 21, 21, 21, 20, 20, 20, 19, 19, 19, 18, 18, 18, 17, 17, 17, 16, 16, 16, 15, 15, 15, 14, 14, 14, 13, 13, 13, 12, 12, 12, 11, 11, 11, 10, 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 6, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 0, 0, 0, -1, -1, -1, -2, -2, -2, -3, -3, -3, -4, -4, -4, -5, -5, -5, -6, -6, -6, -7, -7, -7, -8, -8, -8, -9, -9, -9, -10, -10, -10, -11, -11, -11, -12, -12, -12, -13, -13, -13, -14, -14, -14, -15, -15, -15, -16, -16, -16, -17, -17, -17, -18, -18, -18, -19, -19, -19, -20, -20, -20, -21, -21, -21, -22, -22, -22, -23, -23, -23, -23, -23, -24, -24, -24, -24, -24, -24, -24, -24, -24, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -25, -24, -24, -24, -24, -24, -24, -24, -24, -24, -23, -23, -23, -23, -23, -22, -22, -22, -21, -21, -21, -20, -20, -20, -19, -19, -19, -18, -18, -18, -17, -17, -17, -16, -16, -16, -15, -15, -15, -14, -14, -14, -13, -13, -13, -12, -12, -12, -11, -11, -11, -10, -10, -10, -9, -9, -9, -8, -8, -8, -7, -7, -7, -6, -6, -6, -5, -5, -5, -4, -4, -4, -3, -3, -3, -2, -2, -2, -1, -1, -1, 0, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_7[] = { 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 24, 24, 24, 25, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 30, 30, 30, 31, 31, 31, 32, 32, 32, 33, 33, 33, 34, 34, 34, 35, 35, 35, 36, 36, 36, -35, -35, -35, -34, -34, -34, -33, -33, -33, -32, -32, -32, -31, -31, -31, -30, -30, -30, -29, -29, -29, -28, -28, -28, -27, -27, -27, -26, -26, -26, -25, -25, -25, -24, -24, -24, -23, -23, -23, -22, -22, -22, -21, -21, -21, -20, -20, -20, -19, -19, -19, -18, -18, -18, -17, -17, -17, -16, -16, -16, -15, -15, -15, -14, -14, -14, -13, -13, -13, -12, -12, -12, -11, -11, -11, -10, -10, -10, -9, -9, -9, -8, -8, -8, -7, -7, -7, -6, -6, -6, -5, -5, -5, -4, -4, -4, -3, -3, -3, -2, -2, -2, -1, -1, -1, 0, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_8[] = { 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 27, 27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 0, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_9[] = { 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 27, 27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 30, 30, 30, 30, 30, 31, 31, 31, 31, 31, 0, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_10[] = { 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 31, 31, 31, 31, 30, 30, 30, 30, 29, 29, 29, 29, 28, 28, 28, 28, 27, 27, 27, 27, 26, 26, 26, 26, 25, 25, 25, 25, 24, 24, 24, 24, 23, 23, 23, 23, 22, 22, 22, 22, 21, 21, 21, 21, 20, 20, 20, 20, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 24, 25, 25, 25, 25, 26, 26, 26, 26, 27, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 31, 0, 0, -128 };
static const sint8 SwingingTimeToSpriteMap_11[] = { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 24, 24, 24, 25, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 29, 29, 29, 30, 30, 30, 31, 31, 31, 0, -128 };
/** rct2: 0x0099F9D0 */
static const sint8 * SwingingTimeToSpriteMaps[] = {
SwingingTimeToSpriteMap_0,
SwingingTimeToSpriteMap_1,
SwingingTimeToSpriteMap_2,
SwingingTimeToSpriteMap_3,
SwingingTimeToSpriteMap_4,
SwingingTimeToSpriteMap_5,
SwingingTimeToSpriteMap_6,
SwingingTimeToSpriteMap_7,
SwingingTimeToSpriteMap_8,
SwingingTimeToSpriteMap_9,
SwingingTimeToSpriteMap_10,
SwingingTimeToSpriteMap_11,
};
typedef struct {
sint16 x;
sint16 y;
uint32 distance;
} unk_9a36c4;
/** rct2: 0x009A36C4 */
static const unk_9a36c4 Unk9A36C4[] = {
{-1, 0, 8716},
{-1, 0, 8716},
{-1, 0, 8716},
{-1, 1, 12327},
{-1, 1, 12327},
{-1, 1, 12327},
{0, 1, 8716},
{-1, 1, 12327},
{0, 1, 8716},
{0, 1, 8716},
{0, 1, 8716},
{1, 1, 12327},
{1, 1, 12327},
{1, 1, 12327},
{1, 0, 8716},
{1, 1, 12327},
{1, 0, 8716},
{1, 0, 8716},
{1, 0, 8716},
{1, -1, 12327},
{1, -1, 12327},
{1, -1, 12327},
{0, -1, 8716},
{1, -1, 12327},
{0, -1, 8716},
{0, -1, 8716},
{0, -1, 8716},
{-1, -1, 12327},
{-1, -1, 12327},
{-1, -1, 12327},
{-1, 0, 8716},
{-1, -1, 12327},
};
/** rct2: 0x009A37C4 */
static const rct_xy16 Unk9A37C4[] = {
{ 0, 0},
{ 0, +1},
{+1, 0},
{ 0, -1},
{ 0, -1},
{-1, 0},
{-1, 0},
{ 0, +1},
{ 0, +1},
};
/** rct2: 0x009A37E4 */
static const sint32 Unk9A37E4[] = {
2147483647,
2106585154,
1985590284,
1636362342,
1127484953,
2106585154,
1985590284,
1636362342,
1127484953,
58579923,
0,
-555809667,
-1073741824,
-1518500249,
-1859775391,
-2074309916,
-2147483647,
58579923,
0,
-555809667,
-1073741824,
-1518500249,
-1859775391,
-2074309916,
1859775393,
1073741824,
0,
-1073741824,
-1859775393,
1859775393,
1073741824,
0,
-1073741824,
-1859775393,
1859775393,
1073741824,
0,
-1073741824,
-1859775393,
1859775393,
1073741824,
0,
-1073741824,
-1859775393,
2144540595,
2139311823,
2144540595,
2139311823,
2135719507,
2135719507,
2125953864,
2061796213,
1411702590,
2125953864,
2061796213,
1411702590,
1985590284,
1636362342,
1127484953,
2115506168,
};
/** rct2: 0x009A38D4 */
static const sint32 Unk9A38D4[] = {
0,
417115092,
817995863,
1390684831,
1827693544,
-417115092,
-817995863,
-1390684831,
-1827693544,
2066040965,
2147483647,
2074309916,
1859775393,
1518500249,
1073741824,
555809666,
0,
-2066040965,
-2147483647,
-2074309916,
-1859775393,
-1518500249,
-1073741824,
-555809666,
1073741824,
1859775393,
2147483647,
1859775393,
1073741824,
-1073741824,
-1859775393,
-2147483647,
-1859775393,
-1073741824,
1073741824,
1859775393,
2147483647,
1859775393,
1073741824,
-1073741824,
-1859775393,
-2147483647,
-1859775393,
-1073741824,
112390610,
187165532,
-112390610,
-187165532,
224473165,
-224473165,
303325208,
600568389,
1618265062,
-303325208,
-600568389,
-1618265062,
-817995863,
-1390684831,
-1827693544,
369214930,
};
/** rct2: 0x009A39C4 */
static const sint32 Unk9A39C4[] = {
2147483647,
2096579710,
1946281152,
2096579710,
1946281152,
1380375879,
555809667,
-372906620,
-1231746017,
-1859775391,
1380375879,
555809667,
-372906620,
-1231746017,
-1859775391,
0,
2096579710,
1946281152,
2096579710,
1946281152,
};
static bool vehicle_move_info_valid(int cd, int typeAndDirection, int offset)
{
if (cd >= countof(gTrackVehicleInfo)) {
return false;
}
int size = 0;
switch (cd) {
case 0: size = 1024; break;
case 1: size = 692; break;
case 2: size = 404; break;
case 3: size = 404; break;
case 4: size = 404; break;
case 5: size = 208; break;
case 6: size = 208; break;
case 7: size = 208; break;
case 8: size = 208; break;
case 9: size = 824; break;
case 10: size = 824; break;
case 11: size = 824; break;
case 12: size = 824; break;
case 13: size = 824; break;
case 14: size = 824; break;
case 15: size = 868; break;
case 16: size = 868; break;
}
if (typeAndDirection >= size) {
return false;
}
if (offset >= gTrackVehicleInfo[cd][typeAndDirection]->size) {
return false;
}
return true;
}
const rct_vehicle_info *vehicle_get_move_info(int cd, int typeAndDirection, int offset)
{
if (!vehicle_move_info_valid(cd, typeAndDirection, offset)) {
static const rct_vehicle_info zero = { 0 };
return &zero;
}
return &gTrackVehicleInfo[cd][typeAndDirection]->info[offset];
}
uint16 vehicle_get_move_info_size(int cd, int typeAndDirection)
{
if (!vehicle_move_info_valid(cd, typeAndDirection, 0)) {
return 0;
}
return gTrackVehicleInfo[cd][typeAndDirection]->size;
}
const uint8 DoorOpenSoundIds[] = {
SOUND_DOOR_OPEN,
SOUND_62
};
const uint8 DoorCloseSoundIds[] = {
SOUND_DOOR_CLOSE,
SOUND_62
};
static const struct { sint8 x, y, z; } SteamParticleOffsets[] = {
{ -11, 0, 22 },
{ -10, 4, 22 },
{ -8, 8, 22 },
{ -4, 10, 22 },
{ 0, 11, 22 },
{ 4, 10, 22 },
{ 8, 8, 22 },
{ 10, 4, 22 },
{ 11, 0, 22 },
{ 10, -4, 22 },
{ 8, -8, 22 },
{ 4, -10, 22 },
{ 0, -11, 22 },
{ -4, -10, 22 },
{ -8, -8, 22 },
{ -10, -4, 22 },
{ -9, 0, 27 },
{ -8, 4, 27 },
{ -6, 6, 27 },
{ -4, 8, 27 },
{ 0, 9, 27 },
{ 4, 8, 27 },
{ 6, 6, 27 },
{ 8, 4, 27 },
{ 9, 0, 27 },
{ 8, -4, 27 },
{ 6, -6, 27 },
{ 4, -8, 27 },
{ 0, -9, 27 },
{ -4, -8, 27 },
{ -6, -6, 27 },
{ -8, -4, 27 },
{ -13, 0, 18 },
{ -12, 4, 17 },
{ -9, 9, 17 },
{ -4, 8, 17 },
{ 0, 13, 18 },
{ 4, 8, 17 },
{ 6, 6, 17 },
{ 8, 4, 17 },
{ 13, 0, 18 },
{ 8, -4, 17 },
{ 6, -6, 17 },
{ 4, -8, 17 },
{ 0, -13, 18 },
{ -4, -8, 17 },
{ -6, -6, 17 },
{ -8, -4, 17 }
};
static void vehicle_invalidate(rct_vehicle *vehicle)
{
invalidate_sprite_2((rct_sprite*)vehicle);
}
/**
*
* rct2: 0x006BB9FF
*/
static void vehicle_update_sound_params(rct_vehicle* vehicle)
{
if (!(gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) && (!(gScreenFlags & SCREEN_FLAGS_TRACK_DESIGNER) || gS6Info.editor_step == EDITOR_STEP_ROLLERCOASTER_DESIGNER)) {
if (vehicle->sound1_id != (uint8)-1 || vehicle->sound2_id != (uint8)-1) {
if (vehicle->sprite_left != (sint16)0x8000) {
sint16 x = g_music_tracking_viewport->view_x;
sint16 y = g_music_tracking_viewport->view_y;
sint16 w = g_music_tracking_viewport->view_width / 4;
sint16 h = g_music_tracking_viewport->view_height / 4;
if (!gWindowAudioExclusive->classification) {
x -= w;
y -= h;
}
if (x < vehicle->sprite_right && y < vehicle->sprite_bottom) {
sint16 w2 = g_music_tracking_viewport->view_width + x;
sint16 h2 = g_music_tracking_viewport->view_height + y;
if (!gWindowAudioExclusive->classification) {
w2 += w + w;
h2 += h + h;
}
if (w2 >= vehicle->sprite_left && h2 >= vehicle->sprite_top) {
uint16 v9 = sub_6BC2F3(vehicle);
rct_vehicle_sound_params* i;
for (i = &gVehicleSoundParamsList[0]; i < gVehicleSoundParamsListEnd && v9 <= i->var_A; i++);
if (i < &gVehicleSoundParamsList[countof(gVehicleSoundParamsList)]) {
if (gVehicleSoundParamsListEnd < &gVehicleSoundParamsList[countof(gVehicleSoundParamsList)]) {
gVehicleSoundParamsListEnd++;
}
rct_vehicle_sound_params* j = gVehicleSoundParamsListEnd - 1;
while (j >= i) {
j--;
*(j + 1) = *j;
}
i->var_A = v9;
int pan_x = (vehicle->sprite_left / 2) + (vehicle->sprite_right / 2) - g_music_tracking_viewport->view_x;
pan_x >>= g_music_tracking_viewport->zoom;
pan_x += g_music_tracking_viewport->x;
uint16 screenwidth = gScreenWidth;
if (screenwidth < 64) {
screenwidth = 64;
}
i->pan_x = ((((pan_x * 65536) / screenwidth) - 0x8000) >> 4);
int pan_y = (vehicle->sprite_top / 2) + (vehicle->sprite_bottom / 2) - g_music_tracking_viewport->view_y;
pan_y >>= g_music_tracking_viewport->zoom;
pan_y += g_music_tracking_viewport->y;
uint16 screenheight = gScreenHeight;
if (screenheight < 64) {
screenheight = 64;
}
i->pan_y = ((((pan_y * 65536) / screenheight) - 0x8000) >> 4);
sint32 v = vehicle->velocity;
rct_ride_entry* ride_type = get_ride_entry(vehicle->ride_subtype);
uint8 test = ride_type->vehicles[vehicle->vehicle_type].var_5A;
if (test & 1) {
v *= 2;
}
if (v < 0) {
v = -v;
}
v >>= 5;
v *= 5512;
v >>= 14;
v += 11025;
v += 16 * vehicle->var_BF;
i->frequency = (uint16)v;
i->id = vehicle->sprite_index;
i->volume = 0;
if (vehicle->x != (sint16)0x8000) {
rct_map_element* map_element = map_get_surface_element_at(vehicle->x >> 5, vehicle->y >> 5);
if (map_element != NULL && map_element->base_height * 8 > vehicle->z) { // vehicle underground
i->volume = 0x30;
}
}
}
}
}
}
}
}
}
/**
*
* rct2: 0x006BC2F3
*/
int sub_6BC2F3(rct_vehicle* vehicle)
{
int result = 0;
rct_vehicle* vehicle_temp = vehicle;
do {
result += vehicle_temp->friction;
} while (vehicle_temp->next_vehicle_on_train != (uint16)-1 && (vehicle_temp = GET_VEHICLE(vehicle_temp->next_vehicle_on_train)));
sint32 v4 = vehicle->velocity;
if (v4 < 0) {
v4 = -v4;
}
result += ((uint16)v4) >> 13;
rct_vehicle_sound* vehicle_sound = &gVehicleSoundList[0];
while (vehicle_sound->id != vehicle->sprite_index) {
vehicle_sound++;
if (vehicle_sound >= &gVehicleSoundList[countof(gVehicleSoundList)]) {
return result;
}
}
return result + 300;
}
/**
*
* rct2: 0x006BBC6B
*/
void vehicle_sounds_update()
{
if (gAudioCurrentDevice != -1 && !gGameSoundsOff && gConfigSound.sound_enabled && !gOpenRCT2Headless) {
g_music_tracking_viewport = (rct_viewport*)-1;
rct_viewport* viewport = (rct_viewport*)-1;
rct_window* window = gWindowNextSlot;
while (1) {
window--;
if (window < g_window_list) {
break;
}
viewport = window->viewport;
if (viewport && viewport->flags & VIEWPORT_FLAG_SOUND_ON) {
break;
}
}
g_music_tracking_viewport = viewport;
if (viewport != (rct_viewport*)-1) {
if (window) {
gWindowAudioExclusive = window;
gVolumeAdjustZoom = 0;
if (viewport->zoom) {
gVolumeAdjustZoom = 35;
if (viewport->zoom != 1) {
gVolumeAdjustZoom = 70;
}
}
}
gVehicleSoundParamsListEnd = &gVehicleSoundParamsList[0];
for (uint16 i = gSpriteListHead[SPRITE_LIST_VEHICLE]; i != SPRITE_INDEX_NULL; i = get_sprite(i)->vehicle.next) {
vehicle_update_sound_params(&get_sprite(i)->vehicle);
}
for(int i = 0; i < countof(gVehicleSoundList); i++){
rct_vehicle_sound* vehicle_sound = &gVehicleSoundList[i];
if (vehicle_sound->id != (uint16)-1) {
for (rct_vehicle_sound_params* vehicle_sound_params = &gVehicleSoundParamsList[0]; vehicle_sound_params != gVehicleSoundParamsListEnd; vehicle_sound_params++) {
if (vehicle_sound->id == vehicle_sound_params->id) {
goto label26;
}
}
if (vehicle_sound->sound1_id != (uint16)-1) {
Mixer_Stop_Channel(vehicle_sound->sound1_channel);
}
if (vehicle_sound->sound2_id != (uint16)-1) {
Mixer_Stop_Channel(vehicle_sound->sound2_channel);
}
vehicle_sound->id = (uint16)-1;
}
label26:
;
}
for (rct_vehicle_sound_params* vehicle_sound_params = &gVehicleSoundParamsList[0]; ; vehicle_sound_params++) {
label28:
if (vehicle_sound_params >= gVehicleSoundParamsListEnd) {
return;
}
uint8 vol1 = 0xFF;
uint8 vol2 = 0xFF;
sint16 pan_y = vehicle_sound_params->pan_y;
if (pan_y < 0) {
pan_y = -pan_y;
}
if (pan_y > 0xFFF) {
pan_y = 0xFFF;
}
pan_y -= 0x800;
if (pan_y > 0) {
pan_y -= 0x400;
pan_y = -pan_y;
pan_y = pan_y / 4;
vol1 = LOBYTE(pan_y);
if ((sint8)HIBYTE(pan_y) != 0) {
vol1 = 0xFF;
if ((sint8)HIBYTE(pan_y) < 0) {
vol1 = 0;
}
}
}
sint16 pan_x = vehicle_sound_params->pan_x;
if (pan_x < 0) {
pan_x = -pan_x;
}
if (pan_x > 0xFFF) {
pan_x = 0xFFF;
}
pan_x -= 0x800;
if (pan_x > 0) {
pan_x -= 0x400;
pan_x = -pan_x;
pan_x = pan_x / 4;
vol2 = LOBYTE(pan_x);
if ((sint8)HIBYTE(pan_x) != 0) {
vol2 = 0xFF;
if ((sint8)HIBYTE(pan_x) < 0) {
vol2 = 0;
}
}
}
if (vol1 >= vol2) {
vol1 = vol2;
}
if (vol1 < gVolumeAdjustZoom) {
vol1 = 0;
} else {
vol1 = vol1 - gVolumeAdjustZoom;
}
rct_vehicle_sound* vehicle_sound = &gVehicleSoundList[0];
while (vehicle_sound_params->id != vehicle_sound->id) {
vehicle_sound++;
if (vehicle_sound >= &gVehicleSoundList[countof(gVehicleSoundList)]) {
vehicle_sound = &gVehicleSoundList[0];
int i = 0;
while (vehicle_sound->id != (uint16)-1) {
vehicle_sound++;
i++;
if (i >= countof(gVehicleSoundList)) {
vehicle_sound_params = (rct_vehicle_sound_params*)((uintptr_t)vehicle_sound_params + 10);
goto label28;
}
}
vehicle_sound->id = vehicle_sound_params->id;
vehicle_sound->sound1_id = (uint16)-1;
vehicle_sound->sound2_id = (uint16)-1;
vehicle_sound->volume = 0x30;
break;
}
}
int tempvolume = vehicle_sound->volume;
if (tempvolume != vehicle_sound_params->volume) {
if (tempvolume < vehicle_sound_params->volume) {
tempvolume += 4;
} else {
tempvolume -= 4;
}
}
vehicle_sound->volume = tempvolume;
if (vol1 < tempvolume) {
vol1 = 0;
} else {
vol1 = vol1 - tempvolume;
}
// do sound1 stuff, track noise
rct_sprite* sprite = get_sprite(vehicle_sound_params->id);
int volume = sprite->vehicle.sound1_volume;
volume *= vol1;
volume = volume / 8;
volume -= 0x1FFF;
if (volume < -10000) {
volume = -10000;
}
if (sprite->vehicle.sound1_id == (uint8)-1) {
if (vehicle_sound->sound1_id != (uint16)-1) {
vehicle_sound->sound1_id = -1;
Mixer_Stop_Channel(vehicle_sound->sound1_channel);
}
} else {
if (vehicle_sound->sound1_id == (uint16)-1) {
goto label69;
}
if (sprite->vehicle.sound1_id != vehicle_sound->sound1_id) {
Mixer_Stop_Channel(vehicle_sound->sound1_channel);
label69:
vehicle_sound->sound1_id = sprite->vehicle.sound1_id;
vehicle_sound->sound1_pan = vehicle_sound_params->pan_x;
vehicle_sound->sound1_volume = volume;
vehicle_sound->sound1_freq = vehicle_sound_params->frequency;
uint16 frequency = vehicle_sound_params->frequency;
if (_soundParams[sprite->vehicle.sound1_id][1] & 2) {
frequency = (frequency / 2) + 4000;
}
uint8 looping = _soundParams[sprite->vehicle.sound1_id][0];
int pan = vehicle_sound_params->pan_x;
vehicle_sound->sound1_channel = Mixer_Play_Effect(sprite->vehicle.sound1_id, looping ? MIXER_LOOP_INFINITE : MIXER_LOOP_NONE, DStoMixerVolume(volume), DStoMixerPan(pan), DStoMixerRate(frequency), 0);
goto label87;
}
if (volume != vehicle_sound->sound1_volume) {
vehicle_sound->sound1_volume = volume;
Mixer_Channel_Volume(vehicle_sound->sound1_channel, DStoMixerVolume(volume));
}
if (vehicle_sound_params->pan_x != vehicle_sound->sound1_pan) {
vehicle_sound->sound1_pan = vehicle_sound_params->pan_x;
Mixer_Channel_Pan(vehicle_sound->sound1_channel, DStoMixerPan(vehicle_sound_params->pan_x));
}
if (!(gCurrentTicks & 3) && vehicle_sound_params->frequency != vehicle_sound->sound1_freq) {
vehicle_sound->sound1_freq = vehicle_sound_params->frequency;
uint16 frequency = vehicle_sound_params->frequency;
if (_soundParams[sprite->vehicle.sound1_id][1] & 2) {
frequency = (frequency / 2) + 4000;
}
Mixer_Channel_Rate(vehicle_sound->sound1_channel, DStoMixerRate(frequency));
}
}
label87: // do sound2 stuff, screams
sprite = get_sprite(vehicle_sound_params->id);
volume = sprite->vehicle.sound2_volume;
volume *= vol1;
volume = (uint16)volume / 8;
volume -= 0x1FFF;
if (volume < -10000) {
volume = -10000;
}
if (sprite->vehicle.sound2_id == (uint8)-1) {
if (vehicle_sound->sound2_id != (uint16)-1) {
vehicle_sound->sound2_id = -1;
Mixer_Stop_Channel(vehicle_sound->sound2_channel);
}
} else {
if (vehicle_sound->sound2_id == (uint16)-1) {
goto label93;
}
if (sprite->vehicle.sound2_id != vehicle_sound->sound2_id) {
Mixer_Stop_Channel(vehicle_sound->sound2_channel);
label93:
vehicle_sound->sound2_id = sprite->vehicle.sound2_id;
vehicle_sound->sound2_pan = vehicle_sound_params->pan_x;
vehicle_sound->sound2_volume = volume;
vehicle_sound->sound2_freq = vehicle_sound_params->frequency;
uint16 frequency = vehicle_sound_params->frequency;
if (_soundParams[sprite->vehicle.sound2_id][1] & 1) {
frequency = 12649;
}
frequency = (frequency * 2) - 3248;
if (frequency > 25700) {
frequency = 25700;
}
uint8 looping = _soundParams[sprite->vehicle.sound2_id][0];
int pan = vehicle_sound_params->pan_x;
vehicle_sound->sound2_channel = Mixer_Play_Effect(sprite->vehicle.sound2_id, looping ? MIXER_LOOP_INFINITE : MIXER_LOOP_NONE, DStoMixerVolume(volume), DStoMixerPan(pan), DStoMixerRate(frequency), 0);
goto label114;
}
if (volume != vehicle_sound->sound2_volume) {
Mixer_Channel_Volume(vehicle_sound->sound2_channel, DStoMixerVolume(volume));
vehicle_sound->sound2_volume = volume;
}
if (vehicle_sound_params->pan_x != vehicle_sound->sound2_pan) {
vehicle_sound->sound2_pan = vehicle_sound_params->pan_x;
Mixer_Channel_Pan(vehicle_sound->sound2_channel, DStoMixerPan(vehicle_sound_params->pan_x));
}
if (!(gCurrentTicks & 3) && vehicle_sound_params->frequency != vehicle_sound->sound2_freq) {
vehicle_sound->sound2_freq = vehicle_sound_params->frequency;
if (!(_soundParams[sprite->vehicle.sound2_id][1] & 1)) {
uint16 frequency = (vehicle_sound_params->frequency * 2) - 3248;
if (frequency > 25700) {
frequency = 25700;
}
Mixer_Channel_Rate(vehicle_sound->sound2_channel, DStoMixerRate(frequency));
}
}
}
label114:
;
}
}
}
}
/**
*
* rct2: 0x006D4204
*/
void vehicle_update_all()
{
uint16 sprite_index;
rct_vehicle *vehicle;
if (gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR)
return;
if ((gScreenFlags & SCREEN_FLAGS_TRACK_DESIGNER) && gS6Info.editor_step != EDITOR_STEP_ROLLERCOASTER_DESIGNER)
return;
sprite_index = gSpriteListHead[SPRITE_LIST_VEHICLE];
while (sprite_index != SPRITE_INDEX_NULL) {
vehicle = &(get_sprite(sprite_index)->vehicle);
sprite_index = vehicle->next;
vehicle_update(vehicle);
}
}
/**
*
* rct2: 0x006D6956
* @returns 0 when all closed
*/
static int vehicle_close_restraints(rct_vehicle* vehicle){
rct_ride* ride = get_ride(vehicle->ride);
int ebp = 0;
uint16 vehicle_id = vehicle->sprite_index;
do {
vehicle = GET_VEHICLE(vehicle_id);
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_BROKEN_CAR &&
vehicle->restraints_position != 0 &&
(
ride->breakdown_reason_pending == BREAKDOWN_RESTRAINTS_STUCK_OPEN ||
ride->breakdown_reason_pending == BREAKDOWN_DOORS_STUCK_OPEN)
){
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)){
ride->lifecycle_flags |= RIDE_LIFECYCLE_BROKEN_DOWN;
ride_breakdown_add_news_item(vehicle->ride);
ride->window_invalidate_flags |=
RIDE_INVALIDATE_RIDE_MAIN |
RIDE_INVALIDATE_RIDE_LIST |
RIDE_INVALIDATE_RIDE_MAINTENANCE;
ride->mechanic_status = RIDE_MECHANIC_STATUS_CALLING;
rct_vehicle* broken_vehicle = GET_VEHICLE(ride->vehicles[ride->broken_vehicle]);
ride->inspection_station = broken_vehicle->current_station;
ride->breakdown_reason = ride->breakdown_reason_pending;
}
}
else{
if (vehicle->restraints_position - 20 < 0){
vehicle->restraints_position = 0;
continue;
}
vehicle->restraints_position -= 20;
}
vehicle_invalidate(vehicle);
ebp++;
} while ((vehicle_id = vehicle->next_vehicle_on_train) != 0xFFFF);
return ebp;
}
/**
*
* rct2: 0x006D6A2C
* @returns 0 when all open
*/
static int vehicle_open_restraints(rct_vehicle* vehicle){
int ebp = 0;
uint16 vehicle_id = vehicle->sprite_index;
do {
vehicle = GET_VEHICLE(vehicle_id);
vehicle->swinging_car_var_0 = 0;
vehicle->var_4E = 0;
vehicle->var_4A = 0;
rct_ride* ride = get_ride(vehicle->ride);
rct_ride_entry* rideEntry = get_ride_entry(vehicle->ride_subtype);
rct_ride_entry_vehicle* vehicleEntry = &rideEntry->vehicles[vehicle->vehicle_type];
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_SPINNING) {
if (abs(vehicle->var_B6) <= 700 &&
!(vehicle->var_BA & 0x30) &&
(
!(vehicleEntry->flags_a & VEHICLE_ENTRY_FLAG_A_14) ||
!(vehicle->var_BA & 0xF8))
){
vehicle->var_B6 = 0;
}
else {
ebp++;
if (abs(vehicle->var_B6) < 600) {
vehicle->var_B6 = 600;
}
sint16 value = vehicle->var_B6 / 256;
vehicle->var_BA += value;
vehicle->var_B6 -= value;
vehicle_invalidate(vehicle);
continue;
}
}
if (vehicleEntry->var_11 == 6 &&
vehicle->var_C5 != 0){
if (vehicle->var_C8 + 0x3333 < 0xFFFF){
vehicle->var_C8 = vehicle->var_C8 + 0x3333 - 0xFFFF;
vehicle->var_C5++;
vehicle->var_C5 &= 7;
vehicle_invalidate(vehicle);
}
else{
vehicle->var_C8 += 0x3333;
}
ebp++;
continue;
}
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_BROKEN_CAR &&
vehicle->restraints_position != 0xFF &&
(
ride->breakdown_reason_pending == BREAKDOWN_RESTRAINTS_STUCK_CLOSED ||
ride->breakdown_reason_pending == BREAKDOWN_DOORS_STUCK_CLOSED)
){
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)){
ride->lifecycle_flags |= RIDE_LIFECYCLE_BROKEN_DOWN;
ride_breakdown_add_news_item(vehicle->ride);
ride->window_invalidate_flags |=
RIDE_INVALIDATE_RIDE_MAIN |
RIDE_INVALIDATE_RIDE_LIST |
RIDE_INVALIDATE_RIDE_MAINTENANCE;
ride->mechanic_status = RIDE_MECHANIC_STATUS_CALLING;
rct_vehicle* broken_vehicle = GET_VEHICLE(ride->vehicles[ride->broken_vehicle]);
ride->inspection_station = broken_vehicle->current_station;
ride->breakdown_reason = ride->breakdown_reason_pending;
}
}
else{
if (vehicle->restraints_position + 20 > 0xFF){
vehicle->restraints_position = 255;
continue;
}
vehicle->restraints_position += 20;
}
vehicle_invalidate(vehicle);
ebp++;
} while ((vehicle_id = vehicle->next_vehicle_on_train) != 0xFFFF);
return ebp;
}
/**
*
* rct2: 0x006D6D1F
*/
static void vehicle_update_measurements(rct_vehicle *vehicle)
{
rct_ride *ride;
ride = get_ride(vehicle->ride);
if (vehicle->status == VEHICLE_STATUS_TRAVELLING_BOAT){
ride->lifecycle_flags |= RIDE_LIFECYCLE_TESTED;
ride->lifecycle_flags |= RIDE_LIFECYCLE_NO_RAW_STATS;
ride->lifecycle_flags &= ~RIDE_LIFECYCLE_TEST_IN_PROGRESS;
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_TESTING;
window_invalidate_by_number(WC_RIDE, vehicle->ride);
return;
}
uint8 stationId = ride->current_test_station;
if (ride->entrances[stationId] != 0xFFFF){
uint8 test_segment = ride->current_test_segment;
ride->average_speed_test_timeout++;
if (ride->average_speed_test_timeout >= 32)ride->average_speed_test_timeout = 0;
sint32 velocity = abs(vehicle->velocity);
if (velocity > ride->max_speed){
ride->max_speed = velocity;
}
if (ride->average_speed_test_timeout == 0 && velocity > 0x8000){
ride->average_speed += velocity;
ride->time[test_segment]++;
}
sint32 distance = abs(((vehicle->velocity + vehicle->acceleration) >> 10) * 42);
if (vehicle->var_CE == 0){
ride->length[test_segment] += distance;
}
if (ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_HAS_G_FORCES)){
int vertical_g, lateral_g;
vehicle_get_g_forces(vehicle, &vertical_g, &lateral_g);
vertical_g += ride->previous_vertical_g;
lateral_g += ride->previous_lateral_g;
vertical_g >>= 1;
lateral_g >>= 1;
ride->previous_vertical_g = vertical_g;
ride->previous_lateral_g = lateral_g;
if (vertical_g <= 0){
ride->total_air_time++;
}
if (vertical_g > ride->max_positive_vertical_g)
ride->max_positive_vertical_g = vertical_g;
if (vertical_g < ride->max_negative_vertical_g)
ride->max_negative_vertical_g = vertical_g;
lateral_g = abs(lateral_g);
if (lateral_g > ride->max_lateral_g)
ride->max_lateral_g = lateral_g;
}
}
// If we have already evaluated this track piece skip to next section
uint16 map_location = (vehicle->track_x / 32) | ((vehicle->track_y / 32) << 8);
if (vehicle->track_z / 8 != ride->cur_test_track_z || map_location != ride->cur_test_track_location.xy){
ride->cur_test_track_z = vehicle->track_z / 8;
ride->cur_test_track_location.xy = map_location;
if (ride->entrances[ride->current_test_station] == 0xFFFF)
return;
uint16 track_elem_type = vehicle->track_type / 4;
if (track_elem_type == TRACK_ELEM_POWERED_LIFT || (vehicle->update_flags & VEHICLE_UPDATE_FLAG_0)){
if (!(ride->testing_flags & RIDE_TESTING_POWERED_LIFT)){
ride->testing_flags |= RIDE_TESTING_POWERED_LIFT;
if (ride->drops + 64 < 0xFF){
ride->drops += 64;
}
}
}
else{
ride->testing_flags &= ~RIDE_TESTING_POWERED_LIFT;
}
if (ride->type == RIDE_TYPE_WATER_COASTER){
if (track_elem_type >= TRACK_ELEM_FLAT_COVERED && track_elem_type <= TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_COVERED){
ride->special_track_elements |= RIDE_ELEMENT_TUNNEL_SPLASH_OR_RAPIDS;
}
}
switch (track_elem_type)
{
case TRACK_ELEM_RAPIDS:
case TRACK_ELEM_SPINNING_TUNNEL:
ride->special_track_elements |= RIDE_ELEMENT_TUNNEL_SPLASH_OR_RAPIDS;
break;
case TRACK_ELEM_WATERFALL:
case TRACK_ELEM_LOG_FLUME_REVERSER:
ride->special_track_elements |= RIDE_ELEMENT_REVERSER_OR_WATERFALL;
break;
case TRACK_ELEM_WHIRLPOOL:
ride->special_track_elements |= RIDE_ELEMENT_WHIRLPOOL;
break;
case TRACK_ELEM_WATER_SPLASH:
if (vehicle->velocity >= 0xB0000){
ride->special_track_elements |= RIDE_ELEMENT_TUNNEL_SPLASH_OR_RAPIDS;
}
}
// ax
uint16 track_flags = TrackFlags[track_elem_type];
uint32 testing_flags = ride->testing_flags;
if (testing_flags & RIDE_TESTING_TURN_LEFT &&
track_flags & TRACK_ELEM_FLAG_TURN_LEFT){
// 0x800 as this is masked to CURRENT_TURN_COUNT_MASK
ride->turn_count_default += 0x800;
}
else if (testing_flags & RIDE_TESTING_TURN_RIGHT &&
track_flags & TRACK_ELEM_FLAG_TURN_RIGHT){
// 0x800 as this is masked to CURRENT_TURN_COUNT_MASK
ride->turn_count_default += 0x800;
}
else if (testing_flags & RIDE_TESTING_TURN_RIGHT ||
testing_flags & RIDE_TESTING_TURN_LEFT){
ride->testing_flags &= ~(
RIDE_TESTING_TURN_LEFT |
RIDE_TESTING_TURN_RIGHT |
RIDE_TESTING_TURN_BANKED |
RIDE_TESTING_TURN_SLOPED);
uint8 turn_type = 1;
if (!(testing_flags & RIDE_TESTING_TURN_BANKED)){
turn_type = 2;
if (!(testing_flags & RIDE_TESTING_TURN_SLOPED)){
turn_type = 0;
}
}
switch (ride->turn_count_default >> 11){
case 0:
increment_turn_count_1_element(ride, turn_type);
break;
case 1:
increment_turn_count_2_elements(ride, turn_type);
break;
case 2:
increment_turn_count_3_elements(ride, turn_type);
break;
default:
increment_turn_count_4_plus_elements(ride, turn_type);
break;
}
}
else {
if (track_flags & TRACK_ELEM_FLAG_TURN_LEFT){
ride->testing_flags |= RIDE_TESTING_TURN_LEFT;
ride->turn_count_default &= ~CURRENT_TURN_COUNT_MASK;
if (track_flags & TRACK_ELEM_FLAG_TURN_BANKED){
ride->testing_flags |= RIDE_TESTING_TURN_BANKED;
}
if (track_flags & TRACK_ELEM_FLAG_TURN_SLOPED){
ride->testing_flags |= RIDE_TESTING_TURN_SLOPED;
}
}
if (track_flags & TRACK_ELEM_FLAG_TURN_RIGHT){
ride->testing_flags |= RIDE_TESTING_TURN_RIGHT;
ride->turn_count_default &= ~CURRENT_TURN_COUNT_MASK;
if (track_flags & TRACK_ELEM_FLAG_TURN_BANKED){
ride->testing_flags |= RIDE_TESTING_TURN_BANKED;
}
if (track_flags & TRACK_ELEM_FLAG_TURN_SLOPED){
ride->testing_flags |= RIDE_TESTING_TURN_SLOPED;
}
}
}
if (testing_flags & RIDE_TESTING_DROP_DOWN){
if (vehicle->velocity < 0 || !(track_flags & TRACK_ELEM_FLAG_DOWN)){
ride->testing_flags &= ~RIDE_TESTING_DROP_DOWN;
sint16 z = vehicle->z / 8 - ride->start_drop_height;
if (z < 0){
z = abs(z);
if (z > ride->highest_drop_height){
ride->highest_drop_height = (uint8)z;
}
}
}
}
else if (track_flags & TRACK_ELEM_FLAG_DOWN && vehicle->velocity >= 0){
ride->testing_flags &= ~RIDE_TESTING_DROP_UP;
ride->testing_flags |= RIDE_TESTING_DROP_DOWN;
uint8 drops = ride->drops & 0x3F;
if (drops != 0x3F)
drops++;
ride->drops &= ~0x3F;
ride->drops |= drops;
ride->start_drop_height = vehicle->z / 8;
testing_flags &= ~RIDE_TESTING_DROP_UP;
}
if (testing_flags & RIDE_TESTING_DROP_UP){
if (vehicle->velocity > 0 || !(track_flags & TRACK_ELEM_FLAG_UP)){
ride->testing_flags &= ~RIDE_TESTING_DROP_UP;
sint16 z = vehicle->z / 8 - ride->start_drop_height;
if (z < 0){
z = abs(z);
if (z > ride->highest_drop_height){
ride->highest_drop_height = (uint8)z;
}
}
}
}
else if (track_flags & TRACK_ELEM_FLAG_UP && vehicle->velocity <= 0){
ride->testing_flags &= ~RIDE_TESTING_DROP_DOWN;
ride->testing_flags |= RIDE_TESTING_DROP_UP;
uint8 drops = ride->drops & 0x3F;
if (drops != 0x3F)
drops++;
ride->drops &= ~0x3F;
ride->drops |= drops;
ride->start_drop_height = vehicle->z / 8;
}
if (track_flags & TRACK_ELEM_FLAG_INVERSION){
uint8 inversions = ride->inversions & 0x1F;
if (inversions != 0x1F)
inversions++;
ride->inversions &= ~0x1F;
ride->inversions |= inversions;
}
if (track_flags & TRACK_ELEM_FLAG_HELIX){
uint8 helixes = ride_get_helix_sections(ride);
if (helixes != 0x1F)
helixes++;
ride->special_track_elements &= ~0x1F;
ride->special_track_elements |= helixes;
}
}
if (ride->entrances[ride->current_test_station] == 0xFFFF)
return;
sint16 x, y;
x = vehicle->x;
y = vehicle->y;
if (x == SPRITE_LOCATION_NULL){
ride->testing_flags &= ~RIDE_TESTING_SHELTERED;
return;
}
rct_map_element* map_element = map_get_surface_element_at(x / 32, y / 32);
if (map_element->base_height * 8 <= vehicle->z){
bool cover_found = false;
do{
if (map_element_get_type(map_element) == MAP_ELEMENT_TYPE_SCENERY_MULTIPLE) {
cover_found = true;
break;
}
if (map_element_get_type(map_element) == MAP_ELEMENT_TYPE_PATH) {
cover_found = true;
break;
}
if (map_element_get_type(map_element) != MAP_ELEMENT_TYPE_SCENERY)
continue;
rct_scenery_entry* scenery = get_small_scenery_entry(map_element->properties.scenery.type);
if (scenery->small_scenery.flags & SMALL_SCENERY_FLAG_FULL_TILE) {
cover_found = true;
break;
}
} while (!map_element_is_last_for_tile(map_element++));
if (cover_found == false) {
ride->testing_flags &= ~RIDE_TESTING_SHELTERED;
return;
}
}
if (!(ride->testing_flags & RIDE_TESTING_SHELTERED)){
ride->testing_flags |= RIDE_TESTING_SHELTERED;
uint8 num_sheltered_sections = ride->num_sheltered_sections & 0x1F;
if (num_sheltered_sections != 0x1F)
num_sheltered_sections++;
ride->num_sheltered_sections &= ~0x1F;
ride->num_sheltered_sections |= num_sheltered_sections;
if (vehicle->vehicle_sprite_type != 0){
ride->num_sheltered_sections |= (1 << 5);
}
if (vehicle->bank_rotation != 0){
ride->num_sheltered_sections |= (1 << 6);
}
}
sint32 distance = ((vehicle->velocity + vehicle->acceleration) >> 10) * 42;
if (distance < 0)return;
ride->sheltered_length += distance;
}
static uint16 sub_6D7AC0(int currentSoundId, int currentVolume, int targetSoundId, int targetVolume)
{
if (currentSoundId != 255) {
if (currentSoundId == targetSoundId) {
currentVolume = min(currentVolume + 15, targetVolume);
return (currentVolume << 8) | currentSoundId;
} else {
currentVolume -= 9;
if (currentVolume >= 80)
return (currentVolume << 8) | currentSoundId;
}
}
// Begin sound at quarter volume
currentSoundId = targetSoundId;
currentVolume = targetVolume == 255 ? 255 : targetVolume / 4;
return (currentVolume << 8) | currentSoundId;
}
/**
*
* rct2: 0x006D77F2
*/
static void vehicle_update(rct_vehicle *vehicle)
{
rct_ride *ride;
rct_ride_entry *rideEntry;
// The cable lift uses the ride type of NULL
if (vehicle->ride_subtype == RIDE_TYPE_NULL) {
cable_lift_update(vehicle);
return;
}
rideEntry = get_ride_entry(vehicle->ride_subtype);
rct_ride_entry_vehicle* vehicleEntry = &rideEntry->vehicles[vehicle->vehicle_type];
ride = get_ride(vehicle->ride);
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_TESTING)
vehicle_update_measurements(vehicle);
_vehicleBreakdown = 255;
if (ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN)) {
_vehicleBreakdown = ride->breakdown_reason_pending;
if ((vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_3) && ride->breakdown_reason_pending == BREAKDOWN_SAFETY_CUT_OUT) {
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_13) ||
(
vehicle->vehicle_sprite_type == 2 &&
vehicle->velocity <= 0x20000
)
) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_7;
}
}
}
switch (vehicle->status) {
case VEHICLE_STATUS_MOVING_TO_END_OF_STATION:
vehicle_update_moving_to_end_of_station(vehicle);
break;
case VEHICLE_STATUS_WAITING_FOR_PASSENGERS:
vehicle_update_waiting_for_passengers(vehicle);
break;
case VEHICLE_STATUS_WAITING_TO_DEPART:
vehicle_update_waiting_to_depart(vehicle);
break;
case VEHICLE_STATUS_CRASHING:
case VEHICLE_STATUS_CRASHED:
vehicle_update_crash(vehicle);
break;
case VEHICLE_STATUS_TRAVELLING_BUMPER_CARS:
vehicle_update_bumpcar_mode(vehicle);
break;
case VEHICLE_STATUS_SWINGING:
vehicle_update_swinging(vehicle);
break;
case VEHICLE_STATUS_SIMULATOR_OPERATING:
vehicle_update_simulator_operating(vehicle);
break;
case VEHICLE_STATUS_TOP_SPIN_OPERATING:
vehicle_update_top_spin_operating(vehicle);
break;
case VEHICLE_STATUS_FERRIS_WHEEL_ROTATING:
vehicle_update_ferris_wheel_rotating(vehicle);
break;
case VEHICLE_STATUS_SPACE_RINGS_OPERATING:
vehicle_update_space_rings_operating(vehicle);
break;
case VEHICLE_STATUS_HAUNTED_HOUSE_OPERATING:
vehicle_update_haunted_house_operating(vehicle);
break;
case VEHICLE_STATUS_CROOKED_HOUSE_OPERATING:
vehicle_update_crooked_house_operating(vehicle);
break;
case VEHICLE_STATUS_ROTATING:
vehicle_update_rotating(vehicle);
break;
case VEHICLE_STATUS_DEPARTING:
vehicle_update_departing(vehicle);
break;
case VEHICLE_STATUS_TRAVELLING:
vehicle_update_travelling(vehicle);
break;
case VEHICLE_STATUS_TRAVELLING_CABLE_LIFT:
vehicle_update_travelling_cable_lift(vehicle);
break;
case VEHICLE_STATUS_TRAVELLING_BOAT:
vehicle_update_travelling_boat(vehicle);
break;
case VEHICLE_STATUS_ARRIVING:
vehicle_update_arriving(vehicle);
break;
case VEHICLE_STATUS_UNLOADING_PASSENGERS:
vehicle_update_unloading_passengers(vehicle);
break;
case VEHICLE_STATUS_WAITING_FOR_CABLE_LIFT:
vehicle_update_waiting_for_cable_lift(vehicle);
break;
case VEHICLE_STATUS_SHOWING_FILM:
vehicle_update_showing_film(vehicle);
break;
case VEHICLE_STATUS_DOING_CIRCUS_SHOW:
vehicle_update_doing_circus_show(vehicle);
}
vehicle_update_sound(vehicle);
}
/**
*
* rct2: 0x006D7BCC
*/
static void vehicle_update_moving_to_end_of_station(rct_vehicle *vehicle){
rct_ride* ride = get_ride(vehicle->ride);
int eax, ebx;
switch (ride->mode){
case RIDE_MODE_UPWARD_LAUNCH:
case RIDE_MODE_ROTATING_LIFT:
case RIDE_MODE_DOWNWARD_LAUNCH:
case RIDE_MODE_FREEFALL_DROP:
if (vehicle->velocity >= -131940){
vehicle->acceleration = -3298;
}
if (vehicle->velocity < -131940){
vehicle->velocity = vehicle->velocity / 16;
vehicle->acceleration = 0;
}
eax = vehicle_update_track_motion(vehicle, &ebx);
if (!(eax&(1 << 5)))
break;
//Fall through to next case
case RIDE_MODE_BUMPERCAR:
case RIDE_MODE_SWING:
case RIDE_MODE_ROTATION:
case RIDE_MODE_FORWARD_ROTATION:
case RIDE_MODE_BACKWARD_ROTATION:
case RIDE_MODE_FILM_AVENGING_AVIATORS:
case RIDE_MODE_FILM_THRILL_RIDERS:
case RIDE_MODE_BEGINNERS:
case RIDE_MODE_INTENSE:
case RIDE_MODE_BERSERK:
case RIDE_MODE_3D_FILM_MOUSE_TAILS:
case RIDE_MODE_3D_FILM_STORM_CHASERS:
case RIDE_MODE_3D_FILM_SPACE_RAIDERS:
case RIDE_MODE_SPACE_RINGS:
case RIDE_MODE_HAUNTED_HOUSE:
case RIDE_MODE_CROOKED_HOUSE:
case RIDE_MODE_CIRCUS_SHOW:
vehicle->current_station = 0;
vehicle->velocity = 0;
vehicle->acceleration = 0;
vehicle->status = VEHICLE_STATUS_WAITING_FOR_PASSENGERS;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
break;
default:
{
rct_ride_entry* rideEntry = get_ride_entry(vehicle->ride_subtype);
rct_ride_entry_vehicle* vehicleEntry = &rideEntry->vehicles[vehicle->vehicle_type];
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_3)){
if (vehicle->velocity <= 131940){
vehicle->acceleration = 3298;
}
}
if (vehicle->velocity > 131940){
vehicle->velocity -= vehicle->velocity / 16;
vehicle->acceleration = 0;
}
int station;
eax = vehicle_update_track_motion(vehicle, &station);
if (eax & (1 << 1)){
vehicle->velocity = 0;
vehicle->acceleration = 0;
vehicle->sub_state++;
if (ride->mode == RIDE_MODE_RACE &&
vehicle->sub_state >= 40){
vehicle->status = VEHICLE_STATUS_WAITING_FOR_PASSENGERS;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
break;
}
}
else{
if (vehicle->velocity > 98955){
vehicle->sub_state = 0;
}
}
if (!(eax & (1 << 0)))
break;
vehicle->current_station = station;
vehicle->velocity = 0;
vehicle->acceleration = 0;
vehicle->status = VEHICLE_STATUS_WAITING_FOR_PASSENGERS;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
break;
}
}
}
/**
*
* rct2: 0x006D7FB4
*/
static void train_ready_to_depart(rct_vehicle* vehicle, uint8 num_peeps_on_train, uint8 num_used_seats){
if (num_peeps_on_train != num_used_seats)
return;
rct_ride* ride = get_ride(vehicle->ride);
if (ride->status == RIDE_STATUS_OPEN &&
!(ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN) &&
!(vehicle->update_flags & VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART)){
return;
}
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)){
// Original code did not check if the ride was a boat hire, causing empty boats to leave the platform when closing a Boat Ride with passengers on it.
if (ride->status != RIDE_STATUS_CLOSED ||
(ride->num_riders != 0 && ride->type != RIDE_TYPE_BOAT_RIDE)){
ride->train_at_station[vehicle->current_station] = 0xFF;
vehicle->sub_state = 2;
return;
}
}
if (ride->mode == RIDE_MODE_FORWARD_ROTATION ||
ride->mode == RIDE_MODE_BACKWARD_ROTATION){
uint8 peep = ((-vehicle->vehicle_sprite_type) / 8) & 0xF;
if (vehicle->peep[peep] != 0xFFFF){
ride->train_at_station[vehicle->current_station] = 0xFF;
vehicle->status = VEHICLE_STATUS_UNLOADING_PASSENGERS;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
return;
}
if (vehicle->num_peeps == 0)
return;
ride->train_at_station[vehicle->current_station] = 0xFF;
vehicle->sub_state = 2;
return;
}
if (num_peeps_on_train == 0)
return;
ride->train_at_station[vehicle->current_station] = 0xFF;
vehicle->status = VEHICLE_STATUS_WAITING_FOR_PASSENGERS;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
}
/**
*
* rct2: 0x006D7DA1
*/
static void vehicle_update_waiting_for_passengers(rct_vehicle* vehicle){
vehicle->velocity = 0;
rct_ride* ride = get_ride(vehicle->ride);
if (vehicle->sub_state == 0){
if (vehicle_open_restraints(vehicle))
return;
if (ride->entrances[vehicle->current_station] == 0xFFFF){
ride->train_at_station[vehicle->current_station] = 0xFF;
vehicle->sub_state = 2;
return;
}
uint8 train_index = 0;
while (ride->vehicles[train_index] != vehicle->sprite_index)train_index++;
if (ride->train_at_station[vehicle->current_station] != 0xFF)
return;
ride->train_at_station[vehicle->current_station] = train_index;
vehicle->sub_state = 1;
vehicle->time_waiting = 0;
vehicle_invalidate(vehicle);
return;
}
else if (vehicle->sub_state == 1){
if (vehicle->time_waiting != 0xFFFF)
vehicle->time_waiting++;
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART;
// 0xF64E31, 0xF64E32, 0xF64E33
uint8 num_peeps_on_train = 0, num_used_seats_on_train = 0, num_seats_on_train = 0;
for (uint16 sprite_id = vehicle->sprite_index; sprite_id != 0xFFFF;){
rct_vehicle* train_vehicle = GET_VEHICLE(sprite_id);
num_peeps_on_train += train_vehicle->num_peeps;
num_used_seats_on_train += train_vehicle->next_free_seat;
num_seats_on_train += train_vehicle->num_seats;
sprite_id = train_vehicle->next_vehicle_on_train;
}
num_seats_on_train &= 0x7F;
if (!ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_NO_TEST_MODE)){
if (vehicle->time_waiting < 20){
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
}
else{
if (num_peeps_on_train == 0){
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
}
if (ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_HAS_LOAD_OPTIONS)){
if (ride->depart_flags & RIDE_DEPART_WAIT_FOR_MINIMUM_LENGTH){
if (ride->min_waiting_time * 32 > vehicle->time_waiting){
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
}
if (ride->depart_flags & RIDE_DEPART_WAIT_FOR_MAXIMUM_LENGTH){
if (ride->max_waiting_time * 32 < vehicle->time_waiting){
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART;
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
}
}
if (ride->depart_flags & RIDE_DEPART_LEAVE_WHEN_ANOTHER_ARRIVES){
for (int i = 0; i < 32; ++i){
uint16 train_id = ride->vehicles[i];
if (train_id == 0xFFFF)
continue;
if (train_id == vehicle->sprite_index)
continue;
rct_vehicle* train = GET_VEHICLE(train_id);
if (train->status == VEHICLE_STATUS_UNLOADING_PASSENGERS ||
train->status == VEHICLE_STATUS_MOVING_TO_END_OF_STATION){
if (train->current_station == vehicle->current_station){
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART;
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
}
}
}
if (ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_HAS_LOAD_OPTIONS) &&
ride->depart_flags & RIDE_DEPART_WAIT_FOR_LOAD){
if (num_peeps_on_train == num_seats_on_train){
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART;
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
uint8 load = ride->depart_flags & RIDE_DEPART_WAIT_FOR_LOAD_MASK;
if (load == 3){
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
uint8 three_quater_seats = (3 * num_seats_on_train) / 4;
if (three_quater_seats != 0 && num_peeps_on_train >= three_quater_seats){
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART;
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
if (load == 2){
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
if (num_seats_on_train / 2 != 0 && num_peeps_on_train >= num_seats_on_train / 2){
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART;
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
if (load == 1){
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
if (num_seats_on_train / 4 != 0 && num_peeps_on_train >= num_seats_on_train / 4){
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART;
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
if (load == 0){
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART;
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
if (num_peeps_on_train != 0){
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART;
}
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_TRAIN_READY_DEPART;
train_ready_to_depart(vehicle, num_peeps_on_train, num_used_seats_on_train);
return;
}
if (vehicle_close_restraints(vehicle))
return;
vehicle->velocity = 0;
vehicle->status = VEHICLE_STATUS_WAITING_TO_DEPART;
vehicle->sub_state = 0;
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_WAIT_ON_ADJACENT;
if (ride->depart_flags & RIDE_DEPART_SYNCHRONISE_WITH_ADJACENT_STATIONS){
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_WAIT_ON_ADJACENT;
}
vehicle_invalidate_window(vehicle);
}
/**
*
* rct2: 0x006D91BF
*/
static void vehicle_update_bumpcar_mode(rct_vehicle* vehicle) {
rct_ride* ride = get_ride(vehicle->ride);
rct_ride_entry* rideEntry = get_ride_entry(vehicle->ride_subtype);
rct_ride_entry_vehicle* vehicleEntry = &rideEntry->vehicles[vehicle->vehicle_type];
if (vehicleEntry->flags_a & VEHICLE_ENTRY_FLAG_A_7 && vehicle->var_C5 != 1) {
vehicle->var_C5 = 1;
vehicle_invalidate(vehicle);
}
vehicle_update_motion_bumper_car(vehicle);
// Update the length of time vehicle has been in bumper mode
if (vehicle->sub_state++ == 0xFF) {
vehicle->var_CE++;
}
if (ride->lifecycle_flags & RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING)
return;
vehicle->var_C5 = 0;
vehicle_invalidate(vehicle);
vehicle->velocity = 0;
vehicle->acceleration = 0;
vehicle->status = VEHICLE_STATUS_UNLOADING_PASSENGERS;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
}
/**
*
* rct2: 0x006D80BE
*/
static void vehicle_update_waiting_to_depart(rct_vehicle* vehicle) {
rct_ride* ride = get_ride(vehicle->ride);
bool shouldBreak = false;
if (ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN) {
switch (ride->breakdown_reason_pending) {
case BREAKDOWN_RESTRAINTS_STUCK_CLOSED:
case BREAKDOWN_RESTRAINTS_STUCK_OPEN:
case BREAKDOWN_DOORS_STUCK_CLOSED:
case BREAKDOWN_DOORS_STUCK_OPEN:
break;
default:
shouldBreak = true;
break;
}
}
bool skipCheck = false;
if (shouldBreak == true || ride->status != RIDE_STATUS_OPEN) {
if (ride->mode == RIDE_MODE_FORWARD_ROTATION ||
ride->mode == RIDE_MODE_BACKWARD_ROTATION) {
uint8 seat = ((-vehicle->vehicle_sprite_type) >> 3) & 0xF;
if (vehicle->peep[seat * 2] == 0xFFFF) {
if (vehicle->num_peeps == 0) {
skipCheck = true;
}
}
else {
if (ride->exits[vehicle->current_station] != 0xFFFF) {
vehicle->status = VEHICLE_STATUS_UNLOADING_PASSENGERS;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
return;
}
}
}
else {
uint16 spriteId = vehicle->sprite_index;
for (rct_vehicle* curVehicle; spriteId != 0xFFFF; spriteId = curVehicle->next_vehicle_on_train) {
curVehicle = GET_VEHICLE(spriteId);
if (curVehicle->num_peeps != 0) {
if (ride->exits[vehicle->current_station] != 0xFFFF) {
vehicle->status = VEHICLE_STATUS_UNLOADING_PASSENGERS;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
return;
}
break;
}
}
}
}
if (skipCheck == false) {
if (!(ride->station_depart[vehicle->current_station] & STATION_DEPART_FLAG))
return;
}
if (ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_CAN_SYNCHRONISE_ADJACENT_STATIONS)) {
if (ride->depart_flags & RIDE_DEPART_SYNCHRONISE_WITH_ADJACENT_STATIONS) {
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_WAIT_ON_ADJACENT) {
if (!vehicle_can_depart_synchronised(vehicle)) {
return;
}
}
}
}
vehicle->status = VEHICLE_STATUS_DEPARTING;
vehicle->sub_state = 0;
if (ride->lifecycle_flags & RIDE_LIFECYCLE_CABLE_LIFT) {
rct_xy_element track;
int z;
int direction;
if (track_block_get_next_from_zero(
vehicle->track_x,
vehicle->track_y,
vehicle->track_z,
vehicle->ride,
(uint8)(vehicle->track_direction & 0x3),
&track,
&z,
&direction)) {
if (track_element_is_cable_lift(track.element)) {
vehicle->status = VEHICLE_STATUS_WAITING_FOR_CABLE_LIFT;
}
}
}
switch (ride->mode) {
case RIDE_MODE_BUMPERCAR:
vehicle->status = VEHICLE_STATUS_TRAVELLING_BUMPER_CARS;
vehicle_invalidate_window(vehicle);
// Bumper mode uses sub_state / var_CE to tell how long
// the vehicle has been ridden.
vehicle->sub_state = 0;
vehicle->var_CE = 0;
vehicle_update_bumpcar_mode(vehicle);
break;
case RIDE_MODE_SWING:
vehicle->status = VEHICLE_STATUS_SWINGING;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
vehicle->var_CE = 0;
vehicle->current_time = -1;
vehicle_update_swinging(vehicle);
break;
case RIDE_MODE_ROTATION:
vehicle->status = VEHICLE_STATUS_ROTATING;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
vehicle->var_CE = 0;
vehicle->current_time = -1;
vehicle_update_rotating(vehicle);
break;
case RIDE_MODE_FILM_AVENGING_AVIATORS:
case RIDE_MODE_FILM_THRILL_RIDERS:
vehicle->status = VEHICLE_STATUS_SIMULATOR_OPERATING;
vehicle->sub_state = 0;
if (ride->mode == RIDE_MODE_FILM_THRILL_RIDERS)
vehicle->sub_state = 1;
vehicle_invalidate_window(vehicle);
vehicle->current_time = -1;
vehicle_update_simulator_operating(vehicle);
break;
case RIDE_MODE_BEGINNERS:
case RIDE_MODE_INTENSE:
case RIDE_MODE_BERSERK:
vehicle->status = VEHICLE_STATUS_TOP_SPIN_OPERATING;
vehicle_invalidate_window(vehicle);
switch (ride->mode) {
case RIDE_MODE_BEGINNERS:
vehicle->sub_state = 0;
break;
case RIDE_MODE_INTENSE:
vehicle->sub_state = 1;
break;
case RIDE_MODE_BERSERK:
vehicle->sub_state = 2;
break;
}
vehicle->current_time = -1;
vehicle->vehicle_sprite_type = 0;
vehicle->bank_rotation = 0;
vehicle_update_top_spin_operating(vehicle);
break;
case RIDE_MODE_FORWARD_ROTATION:
case RIDE_MODE_BACKWARD_ROTATION:
vehicle->status = VEHICLE_STATUS_FERRIS_WHEEL_ROTATING;
vehicle->sub_state = vehicle->vehicle_sprite_type;
vehicle_invalidate_window(vehicle);
vehicle->var_CE = 0;
vehicle->ferris_wheel_var_0 = 8;
vehicle->ferris_wheel_var_1 = 8;
vehicle_update_ferris_wheel_rotating(vehicle);
break;
case RIDE_MODE_3D_FILM_MOUSE_TAILS:
case RIDE_MODE_3D_FILM_STORM_CHASERS:
case RIDE_MODE_3D_FILM_SPACE_RAIDERS:
vehicle->status = VEHICLE_STATUS_SHOWING_FILM;
vehicle_invalidate_window(vehicle);
switch (ride->mode) {
case RIDE_MODE_3D_FILM_MOUSE_TAILS:
vehicle->sub_state = 0;
break;
case RIDE_MODE_3D_FILM_STORM_CHASERS:
vehicle->sub_state = 1;
break;
case RIDE_MODE_3D_FILM_SPACE_RAIDERS:
vehicle->sub_state = 2;
break;
}
vehicle->current_time = -1;
vehicle_update_showing_film(vehicle);
break;
case RIDE_MODE_CIRCUS_SHOW:
vehicle->status = VEHICLE_STATUS_DOING_CIRCUS_SHOW;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
vehicle->current_time = -1;
vehicle_update_doing_circus_show(vehicle);
break;
case RIDE_MODE_SPACE_RINGS:
vehicle->status = VEHICLE_STATUS_SPACE_RINGS_OPERATING;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
vehicle->vehicle_sprite_type = 0;
vehicle->current_time = -1;
vehicle_update_space_rings_operating(vehicle);
break;
case RIDE_MODE_HAUNTED_HOUSE:
vehicle->status = VEHICLE_STATUS_HAUNTED_HOUSE_OPERATING;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
vehicle->vehicle_sprite_type = 0;
vehicle->current_time = -1;
vehicle_update_haunted_house_operating(vehicle);
break;
case RIDE_MODE_CROOKED_HOUSE:
vehicle->status = VEHICLE_STATUS_CROOKED_HOUSE_OPERATING;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
vehicle->vehicle_sprite_type = 0;
vehicle->current_time = -1;
vehicle_update_crooked_house_operating(vehicle);
break;
default:
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
vehicle->var_CE = 0;
break;
}
}
#pragma pack(push, 1)
typedef struct rct_synchronised_vehicle {
uint8 ride_id;
uint8 station_id;
uint16 vehicle_id;
} rct_synchronised_vehicle;
assert_struct_size(rct_synchronised_vehicle, 4);
#pragma pack(pop)
#define SYNCHRONISED_VEHICLE_COUNT 8
// 8 synchronised vehicle info
rct_synchronised_vehicle _synchronisedVehicles[SYNCHRONISED_VEHICLE_COUNT] = { 0 };
static rct_synchronised_vehicle* _lastSynchronisedVehicle = NULL;
/**
* Checks if a map position contains a synchronised ride station and adds the vehicle
* to synchronise to the vehicle synchronisation list.
* rct2: 0x006DE1A4
*/
static bool try_add_synchronised_station(int x, int y, int z)
{
rct_map_element *mapElement = get_station_platform(x, y, z, 2);
if (mapElement == NULL) {
/* No station platform element found,
* so no station to synchronise */
return false;
}
int rideIndex = mapElement->properties.track.ride_index;
rct_ride *ride = get_ride(rideIndex);
if (!(ride->depart_flags & RIDE_DEPART_SYNCHRONISE_WITH_ADJACENT_STATIONS)) {
/* Ride is not set to synchronise with adjacent stations. */
return false;
}
/* From this point on, the ride of the map element is one that is set
* to sync with adjacent stations, so it will return true.
* Still to determine if a vehicle to sync can be identified. */
int stationIndex = map_get_station(mapElement);
rct_synchronised_vehicle *sv = _lastSynchronisedVehicle;
sv->ride_id = rideIndex;
sv->station_id = stationIndex;
sv->vehicle_id = SPRITE_INDEX_NULL;
_lastSynchronisedVehicle++;
/* Ride vehicles are not on the track (e.g. ride is/was under
* construction), so just return; vehicle_id for this station
* is SPRITE_INDEX_NULL. */
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_ON_TRACK)) {
return true;
}
/* Station is not ready to depart, so just return;
* vehicle_id for this station is SPRITE_INDEX_NULL. */
if (!(ride->station_depart[stationIndex] & STATION_DEPART_FLAG)) {
return true;
}
// Look for a vehicle on this station waiting to depart.
for (int i = 0; i < ride->num_vehicles; i++) {
uint16 spriteIndex = ride->vehicles[i];
if (spriteIndex == SPRITE_INDEX_NULL) continue;
rct_vehicle *vehicle = GET_VEHICLE(spriteIndex);
if (vehicle->status != VEHICLE_STATUS_WAITING_TO_DEPART) continue;
if (vehicle->sub_state != 0) continue;
if (!(vehicle->update_flags & VEHICLE_UPDATE_FLAG_WAIT_ON_ADJACENT)) continue;
if (vehicle->current_station != stationIndex) continue;
sv->vehicle_id = spriteIndex;
return true;
}
/* No vehicle found waiting to depart (with sync adjacent) at the
* station, so just return; vehicle_id for this station is
* SPRITE_INDEX_NULL. */
return true;
}
/**
* Checks whether a vehicle can depart a station when set to synchronise with adjacent stations.
* rct2: 0x006DE287
* @param vehicle The vehicle waiting to depart.
* @returns true if the vehicle can depart (all adjacent trains are ready or broken down), otherwise false.
*
* Permits vehicles to depart in two ways:
* Returns true, permitting the vehicle in the param to depart immediately;
* The vehicle flag VEHICLE_UPDATE_FLAG_WAIT_ON_ADJACENT is cleared for those
* vehicles that depart in sync with the vehicle in the param.
*/
static bool vehicle_can_depart_synchronised(rct_vehicle *vehicle)
{
rct_ride *ride = get_ride(vehicle->ride);
int station = vehicle->current_station;
uint16 xy = ride->station_starts[station];
int x = (xy & 0xFF) * 32;
int y = (xy >> 8) * 32;
int z = ride->station_heights[station];
rct_map_element *mapElement = map_get_track_element_at(x, y, z);
if (mapElement == NULL) {
return false;
}
// Reset the list of synchronised vehicles to empty.
_lastSynchronisedVehicle = _synchronisedVehicles;
// Search for stations to sync in both directions from the current tile.
// First search direction.
int direction = (mapElement->type + 1) & 3;
while (_lastSynchronisedVehicle < &_synchronisedVehicles[SYNCHRONISED_VEHICLE_COUNT - 1]) {
x += TileDirectionDelta[direction].x;
y += TileDirectionDelta[direction].y;
if (!try_add_synchronised_station(x, y, z)) {
break;
}
}
// Reset back to starting tile.
x = (xy & 0xFF) * 32;
y = (xy >> 8) * 32;
// Other search direction.
direction = (direction ^ 2) & 3;
while (_lastSynchronisedVehicle < &_synchronisedVehicles[SYNCHRONISED_VEHICLE_COUNT - 1]) {
x += TileDirectionDelta[direction].x;
y += TileDirectionDelta[direction].y;
if (!try_add_synchronised_station(x, y, z)) {
break;
}
}
if (_lastSynchronisedVehicle == _synchronisedVehicles) {
// No adjacent stations, allow depart
return true;
}
for (rct_synchronised_vehicle *sv = _synchronisedVehicles; sv < _lastSynchronisedVehicle; sv++) {
rct_ride *sv_ride = get_ride(sv->ride_id);
if (!(sv_ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)) {
if (sv_ride->status != RIDE_STATUS_CLOSED) {
if (ride_is_block_sectioned(sv_ride)) {
if (!(sv_ride->station_depart[sv->station_id] & STATION_DEPART_FLAG)) {
sv = _synchronisedVehicles;
uint8 rideId = 0xFF;
for (; sv < _lastSynchronisedVehicle; sv++) {
if (rideId == 0xFF) {
rideId = sv->ride_id;
}
if (rideId != sv->ride_id) {
// Here the sync-ed stations are not all from the same ride.
return false;
}
}
/* Here all the of sync-ed stations are from the same ride */
ride = get_ride(rideId);
for (int i = 0; i < ride->num_vehicles; i++) {
rct_vehicle *v = GET_VEHICLE(ride->vehicles[i]);
if (v->status != VEHICLE_STATUS_WAITING_TO_DEPART && v->velocity != 0) {
// Here at least one vehicle on the ride is moving.
return false;
}
}
// UNCERTAIN: is the return desired here, or rather continue on with the general checks?
return true;
}
}
// There is no vehicle waiting at this station to sync with.
if (sv->vehicle_id == SPRITE_INDEX_NULL) {
// Check conditions for departing without all stations being in sync.
if (_lastSynchronisedVehicle > &_synchronisedVehicles[1]) {
// Sync condition: there are at least 3 stations to sync
return false;
}
uint8 someRideIndex = _synchronisedVehicles[0].ride_id;
// uint8 currentStation = _synchronisedVehicles[0].station_id
if (someRideIndex != vehicle->ride) {
// Sync condition: the first station to sync is a different ride
return false;
}
int numTrainsAtStation = 0;
int numTravelingTrains = 0;
int currentStation = sv->station_id;
for (int i = 0; i < sv_ride->num_vehicles; i++) {
uint16 spriteIndex = sv_ride->vehicles[i];
if (spriteIndex != SPRITE_INDEX_NULL) {
rct_vehicle *otherVehicle = GET_VEHICLE(spriteIndex);
if (otherVehicle->status != VEHICLE_STATUS_TRAVELLING) {
if (currentStation == otherVehicle->current_station) {
if (otherVehicle->status == VEHICLE_STATUS_WAITING_TO_DEPART ||
otherVehicle->status == VEHICLE_STATUS_MOVING_TO_END_OF_STATION
) {
numTrainsAtStation++;
}
}
} else {
numTravelingTrains++;
}
}
}
int totalTrains = numTrainsAtStation + numTravelingTrains;
if (totalTrains != sv_ride->num_vehicles || numTravelingTrains >= sv_ride->num_vehicles / 2) {
//if (numArrivingTrains > 0 || numTravelingTrains >= sv_ride->num_vehicles / 2) {
/* Sync condition: If there are trains arriving at the
* station or half or more of the ride trains are
* travelling, this station must be sync-ed before the
* trains can depart! */
return false;
} else {
/* Sync exception - train is not arriving at the station
* and there are less than half the trains for the ride
* travelling. */
continue;
}
}
}
}
}
// At this point all vehicles in _snychronisedVehicles can depart.
for (rct_synchronised_vehicle *sv = _synchronisedVehicles; sv < _lastSynchronisedVehicle; sv++) {
if (sv->vehicle_id != SPRITE_INDEX_NULL) {
rct_vehicle *v = GET_VEHICLE(sv->vehicle_id);
v->update_flags &= ~VEHICLE_UPDATE_FLAG_WAIT_ON_ADJACENT;
}
}
return true;
}
/**
*
* rct2: 0x006D9EB0
*/
void vehicle_peep_easteregg_here_we_are(rct_vehicle* vehicle) {
uint16 spriteId = vehicle->sprite_index;
do {
vehicle = GET_VEHICLE(spriteId);
for (int i = 0; i < vehicle->num_peeps; ++i) {
rct_peep* peep = GET_PEEP(vehicle->peep[i]);
if (peep->peep_flags & PEEP_FLAGS_HERE_WE_ARE) {
peep_insert_new_thought(peep, PEEP_THOUGHT_TYPE_HERE_WE_ARE, peep->current_ride);
}
}
} while ((spriteId = vehicle->next_vehicle_on_train) != 0xFFFF);
}
/**
* Performed when vehicle has completed a full circuit
* rct2: 0x006D7338
*/
void vehicle_update_test_finish(rct_vehicle* vehicle) {
rct_ride* ride = get_ride(vehicle->ride);
ride->lifecycle_flags &= ~RIDE_LIFECYCLE_TEST_IN_PROGRESS;
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_TESTING;
ride->lifecycle_flags |= RIDE_LIFECYCLE_TESTED;
for (int i = ride->num_stations - 1; i >= 1; i--) {
if (ride->time[i - 1] != 0)
continue;
uint16 oldTime = ride->time[i - 1];
ride->time[i - 1] = ride->time[i];
ride->time[i] = oldTime;
sint32 oldLength = ride->length[i - 1];
ride->length[i - 1] = ride->length[i];
ride->length[i] = oldLength;
}
uint32 totalTime = 0;
for (uint8 i = 0; i < ride->num_stations; ++i) {
totalTime += ride->time[i];
}
totalTime = max(totalTime, 1);
ride->average_speed = ride->average_speed / totalTime;
window_invalidate_by_number(WC_RIDE, vehicle->ride);
}
/**
*
* rct2: 0x006D6BE7
*/
void vehicle_test_reset(rct_vehicle* vehicle) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_TESTING;
rct_ride* ride = get_ride(vehicle->ride);
ride->lifecycle_flags |= RIDE_LIFECYCLE_TEST_IN_PROGRESS;
ride->lifecycle_flags &= ~RIDE_LIFECYCLE_NO_RAW_STATS;
ride->max_speed = 0;
ride->average_speed = 0;
ride->current_test_segment = 0;
ride->average_speed_test_timeout = 0;
ride->max_positive_vertical_g = FIXED_2DP(1, 0);
ride->max_negative_vertical_g = FIXED_2DP(1, 0);
ride->max_lateral_g = 0;
ride->previous_vertical_g = 0;
ride->previous_lateral_g = 0;
ride->testing_flags = 0;
ride->cur_test_track_location.xy = 0xFFFF;
ride->cur_test_track_z = 0xFF;
ride->turn_count_default = 0;
ride->turn_count_banked = 0;
ride->turn_count_sloped = 0;
ride->inversions = 0;
ride->drops = 0;
ride->sheltered_length = 0;
ride->var_11C = 0;
ride->num_sheltered_sections = 0;
ride->highest_drop_height = 0;
ride->special_track_elements = 0;
memset(&ride->length, 0, 4 * 4);
memset(&ride->time, 0, 4 * 2);
ride->total_air_time = 0;
ride->current_test_station = vehicle->current_station;
window_invalidate_by_number(WC_RIDE, vehicle->ride);
}
static bool vehicle_next_tower_element_is_top(rct_vehicle* vehicle) {
rct_map_element* mapElement = map_get_track_element_at_of_type(
vehicle->track_x,
vehicle->track_y,
vehicle->track_z / 8,
vehicle->track_type >> 2);
if (mapElement->flags & MAP_ELEMENT_FLAG_LAST_TILE) {
return true;
}
if (mapElement->clearance_height == (mapElement + 1)->base_height) {
if ((mapElement + 1)->properties.track.type == TRACK_ELEM_TOWER_SECTION) {
return false;
}
}
if ((mapElement + 1)->flags & MAP_ELEMENT_FLAG_LAST_TILE) {
return true;
}
if (mapElement->clearance_height != (mapElement + 2)->base_height) {
return true;
}
if ((mapElement + 2)->properties.track.type == TRACK_ELEM_TOWER_SECTION) {
return false;
}
return true;
}
/**
*
* rct2: 0x006D986C
*/
static void vehicle_update_travelling_boat_hire_setup(rct_vehicle* vehicle) {
vehicle->var_34 = vehicle->sprite_direction;
vehicle->track_x = vehicle->x & 0xFFE0;
vehicle->track_y = vehicle->y & 0xFFE0;
rct_xy8 location = {
.x = (vehicle->track_x + TileDirectionDelta[vehicle->sprite_direction >> 3].x) / 32,
.y = (vehicle->track_y + TileDirectionDelta[vehicle->sprite_direction >> 3].y) / 32
};
vehicle->boat_location = location;
vehicle->var_35 = 0;
vehicle->status = VEHICLE_STATUS_TRAVELLING_BOAT;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->remaining_distance += 27924;
vehicle_update_travelling_boat(vehicle);
}
/**
*
* rct2: 0x006D982F
*/
static void vehicle_update_departing_boat_hire(rct_vehicle* vehicle) {
vehicle->lost_time_out = 0;
rct_ride* ride = get_ride(vehicle->ride);
ride->station_depart[vehicle->current_station] &= STATION_DEPART_FLAG;
uint8 waitingTime = max(ride->min_waiting_time, 3);
waitingTime = min(waitingTime, 127);
ride->station_depart[vehicle->current_station] |= waitingTime;
vehicle_update_travelling_boat_hire_setup(vehicle);
}
/**
*
* rct2: 0x006D845B
*/
static void vehicle_update_departing(rct_vehicle* vehicle) {
rct_ride* ride = get_ride(vehicle->ride);
rct_ride_entry* rideEntry = get_ride_entry(vehicle->ride_subtype);
if (vehicle->sub_state == 0) {
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_BROKEN_TRAIN) {
if (ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)
return;
ride->lifecycle_flags |= RIDE_LIFECYCLE_BROKEN_DOWN;
ride_breakdown_add_news_item(vehicle->ride);
ride->window_invalidate_flags |=
RIDE_INVALIDATE_RIDE_MAIN |
RIDE_INVALIDATE_RIDE_LIST |
RIDE_INVALIDATE_RIDE_MAINTENANCE;
ride->mechanic_status = RIDE_MECHANIC_STATUS_CALLING;
ride->inspection_station = vehicle->current_station;
ride->breakdown_reason = ride->breakdown_reason_pending;
vehicle->velocity = 0;
return;
}
vehicle->sub_state = 1;
vehicle_peep_easteregg_here_we_are(vehicle);
if (rideEntry->flags & RIDE_ENTRY_FLAG_3) {
uint8 soundId = (rideEntry->vehicles[0].sound_range == 4) ?
SOUND_TRAM :
SOUND_TRAIN_CHUGGING;
audio_play_sound_at_location(
soundId,
vehicle->x,
vehicle->y,
vehicle->z);
}
if (ride->mode == RIDE_MODE_UPWARD_LAUNCH ||
(ride->mode == RIDE_MODE_DOWNWARD_LAUNCH && vehicle->var_CE > 1)) {
audio_play_sound_at_location(
SOUND_RIDE_LAUNCH_2,
vehicle->x,
vehicle->y,
vehicle->z
);
}
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_TESTED)) {
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_TESTING) {
if (ride->current_test_segment + 1 < ride->num_stations) {
ride->current_test_segment++;
ride->current_test_station = vehicle->current_station;
}
else {
vehicle_update_test_finish(vehicle);
}
}
else if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_TEST_IN_PROGRESS)) {
vehicle_test_reset(vehicle);
}
}
}
rct_ride_entry_vehicle* vehicleEntry = &rideEntry->vehicles[vehicle->vehicle_type];
switch (ride->mode) {
case RIDE_MODE_REVERSE_INCLINE_LAUNCHED_SHUTTLE:
if (vehicle->velocity >= -131940)
vehicle->acceleration = -3298;
break;
case RIDE_MODE_POWERED_LAUNCH_PASSTROUGH:
case RIDE_MODE_POWERED_LAUNCH:
case RIDE_MODE_POWERED_LAUNCH_BLOCK_SECTIONED:
case RIDE_MODE_LIM_POWERED_LAUNCH:
case RIDE_MODE_UPWARD_LAUNCH:
if (ride->type == RIDE_TYPE_AIR_POWERED_VERTICAL_COASTER) {
if ((ride->launch_speed << 16) > vehicle->velocity) {
vehicle->acceleration = ride->launch_speed << 13;
}
break;
}
if ((ride->launch_speed << 16) > vehicle->velocity)
vehicle->acceleration = ride->launch_speed << 12;
break;
case RIDE_MODE_DOWNWARD_LAUNCH:
if (vehicle->var_CE >= 1) {
if ((14 << 16) > vehicle->velocity)
vehicle->acceleration = 14 << 12;
break;
}
// Fall through
case RIDE_MODE_CONTINUOUS_CIRCUIT:
case RIDE_MODE_CONTINUOUS_CIRCUIT_BLOCK_SECTIONED:
case RIDE_MODE_ROTATING_LIFT:
case RIDE_MODE_FREEFALL_DROP:
case RIDE_MODE_BOAT_HIRE:
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_3)
break;
if (vehicle->velocity <= 131940)
vehicle->acceleration = 3298;
break;
}
uint32 flags = vehicle_update_track_motion(vehicle, NULL);
if (flags & (1 << 8)) {
if (ride->mode == RIDE_MODE_REVERSE_INCLINE_LAUNCHED_SHUTTLE) {
vehicle->velocity = -vehicle->velocity;
vehicle_finish_departing(vehicle);
return;
}
}
if (flags & ((1 << 5) | (1 << 12))) {
if (ride->mode == RIDE_MODE_BOAT_HIRE) {
vehicle_update_departing_boat_hire(vehicle);
return;
}
else if (ride->mode == RIDE_MODE_REVERSE_INCLINE_LAUNCHED_SHUTTLE) {
vehicle->velocity = -vehicle->velocity;
vehicle_finish_departing(vehicle);
return;
}
else if (ride->mode == RIDE_MODE_SHUTTLE) {
vehicle->update_flags ^= VEHICLE_UPDATE_FLAG_3;
vehicle->velocity = 0;
}
}
if (flags & VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_ON_LIFT_HILL) {
vehicle->var_B8 |= (1 << 1);
if (ride->mode != RIDE_MODE_REVERSE_INCLINE_LAUNCHED_SHUTTLE) {
sint32 speed = ride->lift_hill_speed * 31079;
if (vehicle->velocity <= speed) {
vehicle->acceleration = 15539;
if (vehicle->velocity != 0) {
if (_vehicleBreakdown == BREAKDOWN_SAFETY_CUT_OUT) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_7;
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_1;
}
}
else
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_1;
}
}
else {
sint32 speed = ride->lift_hill_speed * -31079;
if (vehicle->velocity >= speed) {
vehicle->acceleration = -15539;
if (vehicle->velocity != 0) {
if (_vehicleBreakdown == BREAKDOWN_SAFETY_CUT_OUT) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_7;
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_1;
}
}
else
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_1;
}
}
}
if (ride->mode == RIDE_MODE_FREEFALL_DROP) {
vehicle->var_C5++;
}else{
bool shouldLaunch = true;
if (ride->mode == RIDE_MODE_DOWNWARD_LAUNCH) {
if (vehicle->var_CE < 1)
shouldLaunch = false;
}
if (shouldLaunch) {
if (!(flags & (1 << 3)) || _vehicleStationIndex != vehicle->current_station) {
vehicle_finish_departing(vehicle);
return;
}
if (!(flags & (1 << 5)))
return;
if (ride->mode == RIDE_MODE_BOAT_HIRE ||
ride->mode == RIDE_MODE_ROTATING_LIFT ||
ride->mode == RIDE_MODE_SHUTTLE)
return;
vehicle_update_crash_setup(vehicle);
return;
}
}
if (vehicle_next_tower_element_is_top(vehicle) == false) {
if (ride->mode == RIDE_MODE_FREEFALL_DROP)
vehicle_invalidate(vehicle);
return;
}
vehicle_finish_departing(vehicle);
}
/**
* Part of vehicle_update_departing
* Called after finishing departing sequence to enter
* traveling state.
* Vertical rides class the lift to the top of the tower
* as the departing sequence. After this point station
* boosters do not affect the ride.
* rct2: 0x006D8858
*/
static void vehicle_finish_departing(rct_vehicle* vehicle) {
rct_ride* ride = get_ride(vehicle->ride);
if (ride->mode == RIDE_MODE_DOWNWARD_LAUNCH ) {
if (vehicle->var_CE >= 1 && (14 << 16) > vehicle->velocity)
return;
audio_play_sound_at_location(
SOUND_RIDE_LAUNCH_1,
vehicle->x,
vehicle->y,
vehicle->z);
}
if (ride->mode == RIDE_MODE_UPWARD_LAUNCH) {
if ((ride->launch_speed << 16) > vehicle->velocity)
return;
audio_play_sound_at_location(
SOUND_RIDE_LAUNCH_1,
vehicle->x,
vehicle->y,
vehicle->z);
}
if (ride->mode != RIDE_MODE_RACE &&
ride->mode != RIDE_MODE_CONTINUOUS_CIRCUIT_BLOCK_SECTIONED &&
ride->mode != RIDE_MODE_POWERED_LAUNCH_BLOCK_SECTIONED) {
ride->station_depart[vehicle->current_station] &= STATION_DEPART_FLAG;
uint8 waitingTime = 3;
if (ride->depart_flags & RIDE_DEPART_WAIT_FOR_MINIMUM_LENGTH) {
waitingTime = max(ride->min_waiting_time, 3);
waitingTime = min(waitingTime, 127);
}
ride->station_depart[vehicle->current_station] |= waitingTime;
}
vehicle->status = VEHICLE_STATUS_TRAVELLING;
vehicle_invalidate_window(vehicle);
vehicle->lost_time_out = 0;
vehicle->sub_state = 1;
if (vehicle->velocity < 0)
vehicle->sub_state = 0;
}
/**
*
* rct2: 0x006DE5CB
*/
static void vehicle_check_if_missing(rct_vehicle* vehicle) {
rct_ride* ride = get_ride(vehicle->ride);
if (ride->lifecycle_flags & (RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED))
return;
if (ride->mode == RIDE_MODE_CONTINUOUS_CIRCUIT_BLOCK_SECTIONED ||
ride->mode == RIDE_MODE_POWERED_LAUNCH_BLOCK_SECTIONED)
return;
if (!ride_type_has_flag(ride->type, RIDE_TYPE_FLAG_CHECK_FOR_STALLING))
return;
vehicle->lost_time_out++;
if (ride->lifecycle_flags & RIDE_LIFECYCLE_11)
return;
uint16 limit = ride->type == RIDE_TYPE_BOAT_RIDE ? 15360 : 9600;
if (vehicle->lost_time_out <= limit)
return;
ride->lifecycle_flags |= RIDE_LIFECYCLE_11;
set_format_arg(0, rct_string_id, RideComponentNames[RideNameConvention[ride->type].vehicle].number);
uint8 vehicleIndex = 0;
for (; vehicleIndex < ride->num_vehicles; ++vehicleIndex)
if (ride->vehicles[vehicleIndex] == vehicle->sprite_index) break;
vehicleIndex++;
set_format_arg(2, uint16, vehicleIndex);
set_format_arg(4, rct_string_id, ride->name);
set_format_arg(6, uint32, ride->name_arguments);
set_format_arg(10, rct_string_id, RideComponentNames[RideNameConvention[ride->type].station].singular);
news_item_add_to_queue(NEWS_ITEM_RIDE, STR_NEWS_VEHICLE_HAS_STALLED, vehicle->ride);
}
/**
* Setup function for a vehicle colliding with
* another vehicle.
*
* rct2: 0x006DA059
*/
static void vehicle_update_collision_setup(rct_vehicle* vehicle) {
vehicle->status = VEHICLE_STATUS_CRASHED;
vehicle_invalidate_window(vehicle);
rct_ride* ride = get_ride(vehicle->ride);
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_CRASHED)) {
rct_vehicle* frontVehicle = vehicle;
while (frontVehicle->is_child != 0)frontVehicle = GET_VEHICLE(frontVehicle->prev_vehicle_on_ride);
uint8 trainIndex = 0;
while (ride->vehicles[trainIndex] != frontVehicle->sprite_index)
trainIndex++;
ride_crash(vehicle->ride, trainIndex);
if (ride->status != RIDE_STATUS_CLOSED) {
ride_set_status(vehicle->ride, RIDE_STATUS_CLOSED);
}
}
ride->lifecycle_flags |= RIDE_LIFECYCLE_CRASHED;
ride->window_invalidate_flags |= RIDE_INVALIDATE_RIDE_MAIN | RIDE_INVALIDATE_RIDE_LIST;
vehicle_kill_all_passengers(vehicle);
rct_vehicle* lastVehicle = vehicle;
uint16 spriteId = vehicle->sprite_index;
for (rct_vehicle* train; spriteId != 0xFFFF; spriteId = train->next_vehicle_on_train) {
train = GET_VEHICLE(spriteId);
lastVehicle = train;
train->sub_state = 2;
audio_play_sound_at_location(
SOUND_CRASH,
train->x,
train->y,
train->z
);
sprite_misc_explosion_cloud_create(
train->x,
train->y,
train->z
);
for (int i = 0; i < 10; i++) {
crashed_vehicle_particle_create(
train->colours,
train->x,
train->y,
train->z
);
}
train->flags |= SPRITE_FLAGS_IS_CRASHED_VEHICLE_SPRITE;
train->var_C8 = scenario_rand();
train->var_CA = scenario_rand();
train->var_C5 = train->var_CA & 0x7;
train->sprite_width = 13;
train->sprite_height_negative = 45;
train->sprite_height_positive = 5;
sprite_move(train->x, train->y, train->z, (rct_sprite*)train);
invalidate_sprite_2((rct_sprite*)train);
train->var_4E = 0;
}
(GET_VEHICLE(vehicle->prev_vehicle_on_ride))->next_vehicle_on_ride = lastVehicle->next_vehicle_on_ride;
(GET_VEHICLE(lastVehicle->next_vehicle_on_ride))->prev_vehicle_on_ride = vehicle->prev_vehicle_on_ride;
vehicle->velocity = 0;
}
/** rct2: 0x009A3AC4, 0x009A3AC6 */
static const rct_xy16 stru_9A3AC4[] = {
{ -256, 0 },
{ -236, 98 },
{ -181, 181 },
{ -98, 236 },
{ 0, 256 },
{ 98, 236 },
{ 181, 181 },
{ 236, 98 },
{ 256, 0 },
{ 236, -98 },
{ 181, -181 },
{ 98, -236 },
{ 0, -256 },
{ -98, -236 },
{ -181, -181 },
{ -236, -98 },
};
/**
*
* rct2: 0x006D9EFE
*/
static void vehicle_update_crash_setup(rct_vehicle* vehicle) {
vehicle->status = VEHICLE_STATUS_CRASHING;
vehicle_invalidate_window(vehicle);
int num_peeps = vehicle_get_total_num_peeps(vehicle);
if (num_peeps != 0) {
audio_play_sound_at_location(
SOUND_HAUNTED_HOUSE_SCREAM_2,
vehicle->x,
vehicle->y,
vehicle->z
);
}
int edx = vehicle->velocity >> 10;
rct_vehicle* lastVehicle = vehicle;
uint16 spriteId = vehicle->sprite_index;
for (rct_vehicle* trainVehicle; spriteId != 0xFFFF; spriteId = trainVehicle->next_vehicle_on_train) {
trainVehicle = GET_VEHICLE(spriteId);
lastVehicle = trainVehicle;
trainVehicle->sub_state = 0;
int x = stru_9A3AC4[trainVehicle->sprite_direction / 2].x;
int y = stru_9A3AC4[trainVehicle->sprite_direction / 2].y;
int ecx = Unk9A37E4[trainVehicle->vehicle_sprite_type] >> 15;
x *= ecx;
y *= ecx;
x >>= 16;
y >>= 16;
ecx = Unk9A38D4[trainVehicle->vehicle_sprite_type] >> 23;
x *= edx;
y *= edx;
ecx *= edx;
x >>= 8;
y >>= 8;
ecx >>= 8;
trainVehicle->var_B6 = x;
trainVehicle->var_C0 = y;
trainVehicle->var_4E = ecx;
trainVehicle->var_B6 += (scenario_rand() & 0xF) - 8;
trainVehicle->var_C0 += (scenario_rand() & 0xF) - 8;
trainVehicle->var_4E += (scenario_rand() & 0xF) - 8;
trainVehicle->track_x = 0;
trainVehicle->track_y = 0;
trainVehicle->track_z = 0;
}
(GET_VEHICLE(vehicle->prev_vehicle_on_ride))->next_vehicle_on_ride = lastVehicle->next_vehicle_on_ride;
(GET_VEHICLE(lastVehicle->next_vehicle_on_ride))->prev_vehicle_on_ride = vehicle->prev_vehicle_on_ride;
vehicle->velocity = 0;
}
/**
*
* rct2: 0x006D8937
*/
static void vehicle_update_travelling(rct_vehicle* vehicle) {
vehicle_check_if_missing(vehicle);
rct_ride* ride = get_ride(vehicle->ride);
if (_vehicleBreakdown == 0 && ride->mode == RIDE_MODE_ROTATING_LIFT)
return;
if (vehicle->sub_state == 2) {
vehicle->velocity = 0;
vehicle->acceleration = 0;
vehicle->var_C0--;
if (vehicle->var_C0 == 0)
vehicle->sub_state = 0;
}
if (ride->mode == RIDE_MODE_FREEFALL_DROP &&
vehicle->var_C5 != 0) {
vehicle->var_C5++;
vehicle->velocity = 0;
vehicle->acceleration = 0;
vehicle_invalidate(vehicle);
return;
}
uint32 flags = vehicle_update_track_motion(vehicle, NULL);
bool skipCheck = false;
if (flags & ((1 << 8) | (1 << 9)) &&
ride->mode == RIDE_MODE_REVERSE_INCLINE_LAUNCHED_SHUTTLE &&
vehicle->sub_state == 0) {
vehicle->sub_state = 1;
vehicle->velocity = 0;
skipCheck = true;
}
if (!skipCheck) {
if (flags & (1 << 6)) {
vehicle_update_crash_setup(vehicle);
return;
}
if (flags & (1 << 7)) {
vehicle_update_collision_setup(vehicle);
return;
}
if (flags & ((1 << 5) | (1 << 12))) {
if (ride->mode == RIDE_MODE_ROTATING_LIFT) {
if (vehicle->sub_state <= 1) {
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 1;
vehicle->var_C0 = 0;
return;
}
}
else if (ride->mode == RIDE_MODE_BOAT_HIRE) {
vehicle_update_travelling_boat_hire_setup(vehicle);
return;
}
else if (ride->mode == RIDE_MODE_SHUTTLE) {
vehicle->update_flags ^= VEHICLE_UPDATE_FLAG_3;
vehicle->velocity = 0;
}
else {
if (vehicle->sub_state != 0) {
vehicle_update_crash_setup(vehicle);
return;
}
vehicle->sub_state = 1;
vehicle->velocity = 0;
}
}
}
if (ride->mode == RIDE_MODE_ROTATING_LIFT &&
vehicle->sub_state <= 1) {
if (vehicle->sub_state == 0) {
if (vehicle->velocity >= -131940)
vehicle->acceleration = -3298;
vehicle->velocity = max(vehicle->velocity, -131940);
}
else {
if (vehicle_next_tower_element_is_top(vehicle) == true) {
vehicle->velocity = 0;
vehicle->sub_state = 2;
vehicle->var_C0 = 150;
}
else {
if (vehicle->velocity <= 131940)
vehicle->acceleration = 3298;
}
}
}
if (flags & VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_ON_LIFT_HILL) {
if (ride->mode == RIDE_MODE_REVERSE_INCLINE_LAUNCHED_SHUTTLE) {
if (vehicle->sub_state == 0) {
if (vehicle->velocity != 0)
vehicle->var_B8 |= (1 << 1);
if (!(vehicle->update_flags & VEHICLE_UPDATE_FLAG_12)) {
if (vehicle->velocity >= ride->lift_hill_speed * -31079) {
vehicle->acceleration = -15539;
if (_vehicleBreakdown == 0) {
vehicle->var_B8 &= ~(1 << 1);
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_7;
}
}
}
}
}
else {
vehicle->var_B8 |= (1 << 1);
if (vehicle->velocity <= ride->lift_hill_speed * 31079) {
vehicle->acceleration = 15539;
if (vehicle->velocity != 0) {
if (_vehicleBreakdown == 0) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_7;
vehicle->var_B8 &= ~(1 << 1);
}
}
else {
vehicle->var_B8 &= ~(1 << 1);
}
}
}
}
if (!(flags & (1 << 3)))
return;
if (ride->mode == RIDE_MODE_REVERSE_INCLINE_LAUNCHED_SHUTTLE &&
vehicle->velocity >= 0 &&
!(vehicle->update_flags & VEHICLE_UPDATE_FLAG_12)) {
return;
}
if (ride->mode == RIDE_MODE_POWERED_LAUNCH_PASSTROUGH &&
vehicle->velocity < 0)
return;
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle->current_station = _vehicleStationIndex;
vehicle_invalidate_window(vehicle);
vehicle->var_C0 = 0;
vehicle->sub_state = 0;
if (vehicle->velocity < 0)
vehicle->sub_state = 1;
}
/**
*
* rct2: 0x006D8C36
*/
static void vehicle_update_arriving(rct_vehicle* vehicle)
{
uint8 unkF64E35 = 1;
rct_ride* ride = get_ride(vehicle->ride);
switch (ride->mode) {
case RIDE_MODE_SWING:
case RIDE_MODE_ROTATION:
case RIDE_MODE_FORWARD_ROTATION:
case RIDE_MODE_BACKWARD_ROTATION:
case RIDE_MODE_FILM_AVENGING_AVIATORS:
case RIDE_MODE_FILM_THRILL_RIDERS:
case RIDE_MODE_BEGINNERS:
case RIDE_MODE_INTENSE:
case RIDE_MODE_BERSERK:
case RIDE_MODE_3D_FILM_MOUSE_TAILS:
case RIDE_MODE_3D_FILM_STORM_CHASERS:
case RIDE_MODE_3D_FILM_SPACE_RAIDERS:
case RIDE_MODE_CIRCUS_SHOW:
case RIDE_MODE_SPACE_RINGS:
case RIDE_MODE_HAUNTED_HOUSE:
case RIDE_MODE_CROOKED_HOUSE:
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_12;
vehicle->velocity = 0;
vehicle->acceleration = 0;
vehicle->status = VEHICLE_STATUS_UNLOADING_PASSENGERS;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
return;
}
if (ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN &&
ride->breakdown_reason_pending == BREAKDOWN_BRAKES_FAILURE &&
ride->inspection_station == vehicle->current_station &&
ride->mechanic_status != RIDE_MECHANIC_STATUS_4
) {
unkF64E35 = 0;
}
rct_ride_entry* rideEntry = get_ride_entry(vehicle->ride_subtype);
rct_ride_entry_vehicle* vehicleEntry = &rideEntry->vehicles[vehicle->vehicle_type];
if (vehicle->sub_state == 0) {
if (ride->mode == RIDE_MODE_RACE &&
ride->lifecycle_flags & RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING) {
goto loc_6D8E36;
}
if (vehicle->velocity <= 131940) {
vehicle->acceleration = 3298;
goto loc_6D8E36;
}
sint32 velocity_diff = vehicle->velocity;
if (velocity_diff >= 1572864)
velocity_diff /= 8;
else
velocity_diff /= 16;
if (unkF64E35 == 0) {
goto loc_6D8E36;
}
if (ride->num_circuits != 1) {
if (vehicle->num_laps + 1 < ride->num_circuits) {
goto loc_6D8E36;
}
}
vehicle->velocity -= velocity_diff;
vehicle->acceleration = 0;
}
else {
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_3) &&
vehicle->velocity >= -131940) {
vehicle->acceleration = -3298;
}
if (vehicle->velocity >= -131940) {
goto loc_6D8E36;
}
sint32 velocity_diff = vehicle->velocity;
if (velocity_diff < -1572864)
velocity_diff /= 8;
else
velocity_diff /= 16;
if (unkF64E35 == 0) {
goto loc_6D8E36;
}
if (vehicle->num_laps + 1 < ride->num_circuits) {
goto loc_6D8E36;
}
if (vehicle->num_laps + 1 != ride->num_circuits) {
vehicle->velocity -= velocity_diff;
vehicle->acceleration = 0;
goto loc_6D8E36;
}
if (RideData4[ride->type].flags & RIDE_TYPE_FLAG4_ALLOW_MULTIPLE_CIRCUITS &&
ride->mode != RIDE_MODE_SHUTTLE &&
ride->mode != RIDE_MODE_POWERED_LAUNCH) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_12;
}
else{
vehicle->velocity -= velocity_diff;
vehicle->acceleration = 0;
}
}
uint32 flags;
loc_6D8E36:
flags = vehicle_update_track_motion(vehicle, NULL);
if (flags & (1 << 7) &&
unkF64E35 == 0
) {
vehicle_update_collision_setup(vehicle);
return;
}
if (flags & (1 << 0) &&
unkF64E35 == 0
) {
vehicle->status = VEHICLE_STATUS_DEPARTING;
vehicle->sub_state = 1;
vehicle_invalidate_window(vehicle);
return;
}
if (!(flags & ((1 << 0) | (1 << 1) | (1 << 5)))) {
if (vehicle->velocity > 98955)
vehicle->var_C0 = 0;
return;
}
vehicle->var_C0++;
if (flags & (1 << 1) &&
vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_14 &&
vehicle->var_C0 < 40){
return;
}
rct_map_element* mapElement = map_get_track_element_at(
vehicle->track_x,
vehicle->track_y,
vehicle->track_z / 8
);
if (mapElement == NULL) {
return;
}
vehicle->current_station = map_get_station(mapElement);
vehicle->num_laps++;
if (vehicle->sub_state != 0) {
if (vehicle->num_laps < ride->num_circuits) {
vehicle->status = VEHICLE_STATUS_DEPARTING;
vehicle->sub_state = 1;
vehicle_invalidate_window(vehicle);
return;
}
if (vehicle->num_laps == ride->num_circuits &&
vehicle->update_flags & VEHICLE_UPDATE_FLAG_12) {
vehicle->status = VEHICLE_STATUS_DEPARTING;
vehicle->sub_state = 1;
vehicle_invalidate_window(vehicle);
return;
}
}
if (ride->num_circuits != 1 &&
vehicle->num_laps < ride->num_circuits) {
vehicle->status = VEHICLE_STATUS_DEPARTING;
vehicle->sub_state = 1;
vehicle_invalidate_window(vehicle);
return;
}
if ((ride->mode == RIDE_MODE_UPWARD_LAUNCH ||
ride->mode == RIDE_MODE_DOWNWARD_LAUNCH) &&
vehicle->var_CE < 2) {
audio_play_sound_at_location(
SOUND_RIDE_LAUNCH_2,
vehicle->x,
vehicle->y,
vehicle->z);
vehicle->velocity = 0;
vehicle->acceleration = 0;
vehicle->status = VEHICLE_STATUS_DEPARTING;
vehicle->sub_state = 1;
vehicle_invalidate_window(vehicle);
return;
}
if (ride->mode == RIDE_MODE_RACE &&
ride->lifecycle_flags & RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING) {
vehicle->status = VEHICLE_STATUS_DEPARTING;
vehicle->sub_state = 1;
vehicle_invalidate_window(vehicle);
return;
}
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_12;
vehicle->velocity = 0;
vehicle->acceleration = 0;
vehicle->status = VEHICLE_STATUS_UNLOADING_PASSENGERS;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
}
/**
*
* rct2: 0x006D9002
*/
static void vehicle_update_unloading_passengers(rct_vehicle* vehicle) {
if (vehicle->sub_state == 0) {
if (!vehicle_open_restraints(vehicle)) {
vehicle->sub_state = 1;
}
}
rct_ride* ride = get_ride(vehicle->ride);
if (ride->mode == RIDE_MODE_FORWARD_ROTATION ||
ride->mode == RIDE_MODE_BACKWARD_ROTATION) {
uint8 seat = ((-vehicle->vehicle_sprite_type) >> 3) & 0xF;
if (vehicle->restraints_position == 255 &&
(vehicle->peep[seat * 2] != 0xFFFF)) {
vehicle->next_free_seat -= 2;
rct_peep* peep = GET_PEEP(vehicle->peep[seat * 2]);
vehicle->peep[seat * 2] = 0xFFFF;
peep_decrement_num_riders(peep);
peep->sub_state = 7;
peep->state = PEEP_STATE_LEAVING_RIDE;
peep_window_state_update(peep);
peep = GET_PEEP(vehicle->peep[seat * 2 + 1]);
vehicle->peep[seat * 2 + 1] = 0xFFFF;
peep_decrement_num_riders(peep);
peep->sub_state = 7;
peep->state = PEEP_STATE_LEAVING_RIDE;
peep_window_state_update(peep);
}
}
else {
if (ride->exits[vehicle->current_station] == 0xFFFF) {
if (vehicle->sub_state != 1)
return;
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_TESTED) &&
vehicle->update_flags & VEHICLE_UPDATE_FLAG_TESTING &&
ride->current_test_segment + 1 >= ride->num_stations) {
vehicle_update_test_finish(vehicle);
}
vehicle->status = VEHICLE_STATUS_MOVING_TO_END_OF_STATION;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
return;
}
uint16 spriteId = vehicle->sprite_index;
for (rct_vehicle* train; spriteId != 0xFFFF; spriteId = train->next_vehicle_on_train) {
train = GET_VEHICLE(spriteId);
if (train->restraints_position != 255)
continue;
if (train->next_free_seat == 0)
continue;
train->next_free_seat = 0;
for (uint8 peepIndex = 0; peepIndex < train->num_peeps; peepIndex++) {
rct_peep* peep = GET_PEEP(train->peep[peepIndex]);
peep_decrement_num_riders(peep);
peep->sub_state = 7;
peep->state = PEEP_STATE_LEAVING_RIDE;
peep_window_state_update(peep);
}
}
}
if (vehicle->sub_state != 1)
return;
uint16 spriteId = vehicle->sprite_index;
for (rct_vehicle* train; spriteId != 0xFFFF; spriteId = train->next_vehicle_on_train) {
train = GET_VEHICLE(spriteId);
if (train->num_peeps != train->next_free_seat)
return;
}
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_TESTED) &&
vehicle->update_flags & VEHICLE_UPDATE_FLAG_TESTING &&
ride->current_test_segment + 1 >= ride->num_stations) {
vehicle_update_test_finish(vehicle);
}
vehicle->status = VEHICLE_STATUS_MOVING_TO_END_OF_STATION;
vehicle->sub_state = 0;
vehicle_invalidate_window(vehicle);
}
/**
*
* rct2: 0x006D9CE9
*/
static void vehicle_update_waiting_for_cable_lift(rct_vehicle *vehicle)
{
rct_ride* ride = get_ride(vehicle->ride);
rct_vehicle* cableLift = GET_VEHICLE(ride->cable_lift);
if (cableLift->status != VEHICLE_STATUS_WAITING_FOR_PASSENGERS)
return;
cableLift->status = VEHICLE_STATUS_WAITING_TO_DEPART;
cableLift->cable_lift_target = vehicle->sprite_index;
}
/**
*
* rct2: 0x006D9D21
*/
static void vehicle_update_travelling_cable_lift(rct_vehicle* vehicle) {
rct_ride* ride = get_ride(vehicle->ride);
if (vehicle->sub_state == 0) {
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_BROKEN_TRAIN) {
if (ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN)
return;
ride->lifecycle_flags |= RIDE_LIFECYCLE_BROKEN_DOWN;
ride_breakdown_add_news_item(vehicle->ride);
ride->window_invalidate_flags |=
RIDE_INVALIDATE_RIDE_MAIN |
RIDE_INVALIDATE_RIDE_LIST |
RIDE_INVALIDATE_RIDE_MAINTENANCE;
ride->mechanic_status = RIDE_MECHANIC_STATUS_CALLING;
ride->inspection_station = vehicle->current_station;
ride->breakdown_reason = ride->breakdown_reason_pending;
vehicle->velocity = 0;
return;
}
vehicle->sub_state = 1;
vehicle_peep_easteregg_here_we_are(vehicle);
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_TESTED)) {
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_TESTING) {
if (ride->current_test_segment + 1 < ride->num_stations) {
ride->current_test_segment++;
ride->current_test_station = vehicle->current_station;
}
else {
vehicle_update_test_finish(vehicle);
}
}
else if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_TEST_IN_PROGRESS)) {
vehicle_test_reset(vehicle);
}
}
}
if (vehicle->velocity <= 439800) {
vehicle->acceleration = 4398;
}
int flags = vehicle_update_track_motion(vehicle, NULL);
if (flags & VEHICLE_UPDATE_MOTION_TRACK_FLAG_11) {
vehicle->status = VEHICLE_STATUS_TRAVELLING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 1;
vehicle->lost_time_out = 0;
return;
}
if (vehicle->sub_state == 2)
return;
if (flags & VEHICLE_UPDATE_MOTION_TRACK_FLAG_3 && vehicle->current_station == _vehicleStationIndex)
return;
vehicle->sub_state = 2;
if (ride->mode == RIDE_MODE_CONTINUOUS_CIRCUIT_BLOCK_SECTIONED ||
ride->mode == RIDE_MODE_POWERED_LAUNCH_BLOCK_SECTIONED)
return;
// This is slightly different to the vanilla function
ride->station_depart[vehicle->current_station] &= STATION_DEPART_FLAG;
uint8 waitingTime = 3;
if (ride->depart_flags & RIDE_DEPART_WAIT_FOR_MINIMUM_LENGTH) {
waitingTime = max(ride->min_waiting_time, 3);
waitingTime = min(waitingTime, 127);
}
ride->station_depart[vehicle->current_station] |= waitingTime;
}
/**
*
* rct2: 0x006D9820
*/
static void vehicle_update_travelling_boat(rct_vehicle* vehicle)
{
vehicle_check_if_missing(vehicle);
vehicle_update_motion_boat_hire(vehicle);
}
static void loc_6DA9F9(rct_vehicle *vehicle, int x, int y, int bx, int dx)
{
vehicle->remaining_distance = 0;
if (!vehicle_update_motion_collision_detection(vehicle, x, y, vehicle->z, NULL)) {
vehicle->track_x = bx;
vehicle->track_y = dx;
rct_map_element *mapElement = map_get_track_element_at(
vehicle->track_x,
vehicle->track_y,
vehicle->track_z >> 3
);
rct_ride *ride = get_ride(vehicle->ride);
vehicle->track_type =
(mapElement->properties.track.type << 2) |
(ride->boat_hire_return_direction & 3);
vehicle->track_progress = 0;
vehicle->status = VEHICLE_STATUS_TRAVELLING;
unk_F64E20.x = x;
unk_F64E20.y = y;
}
}
/**
*
* rct2: 0x006DA717
*/
static void vehicle_update_motion_boat_hire(rct_vehicle *vehicle)
{
_vehicleMotionTrackFlags = 0;
vehicle->velocity += vehicle->acceleration;
_vehicleVelocityF64E08 = vehicle->velocity;
_vehicleVelocityF64E0C = (vehicle->velocity >> 10) * 42;
rct_ride_entry_vehicle *vehicleEntry = vehicle_get_vehicle_entry(vehicle);
if (vehicleEntry->flags_b & (VEHICLE_ENTRY_FLAG_B_7 | VEHICLE_ENTRY_FLAG_B_8)) {
sub_6D63D4(vehicle);
}
_vehicleUnkF64E10 = 1;
vehicle->acceleration = 0;
vehicle->remaining_distance += _vehicleVelocityF64E0C;
if (vehicle->remaining_distance >= 0x368A) {
vehicle->var_B8 &= ~(1 << 1);
unk_F64E20.x = vehicle->x;
unk_F64E20.y = vehicle->y;
unk_F64E20.z = vehicle->z;
vehicle_invalidate(vehicle);
for (;;) {
// loc_6DA7A5
vehicle->var_35++;
int x = (vehicle->boat_location.x * 32) + 16;
int y = (vehicle->boat_location.y * 32) + 16;
int z;
uint8 bl;
x -= vehicle->x;
if (x >= 0) {
y -= vehicle->y;
if (y < 0) {
// loc_6DA81A:
y = -y;
bl = 24;
if (y <= x * 4) {
bl = 16;
if (x <= y * 4) {
bl = 20;
}
}
} else {
bl = 8;
if (y <= x * 4) {
bl = 16;
if (x <= y * 4) {
bl = 12;
}
}
}
} else {
y -= vehicle->y;
if (y < 0) {
// loc_6DA83D:
x = -x;
y = -y;
bl = 24;
if (y <= x * 4) {
bl = 0;
if (x <= y * 4) {
bl = 28;
}
}
} else {
x = -x;
bl = 8;
if (y <= x * 4) {
bl = 0;
if (x <= y * 4) {
bl = 4;
}
}
}
}
// loc_6DA861:
vehicle->var_34 = bl;
x += y;
if (x <= 12) {
sub_6DA280(vehicle);
}
if (!(vehicle->var_35 & (1 << 0))) {
uint8 spriteDirection = vehicle->sprite_direction;
if (spriteDirection != vehicle->var_34) {
uint8 dl = (vehicle->var_34 + 16 - spriteDirection) & 0x1E;
if (dl >= 16) {
spriteDirection += 2;
if (dl > 24) {
vehicle->var_35--;
}
} else {
spriteDirection -= 2;
if (dl < 8) {
vehicle->var_35--;
}
}
vehicle->sprite_direction = spriteDirection & 0x1E;
}
}
int edi = (vehicle->sprite_direction | (vehicle->var_35 & 1)) & 0x1F;
x = vehicle->x + Unk9A36C4[edi].x;
y = vehicle->y + Unk9A36C4[edi].y;
z = vehicle->z;
if (vehicle_update_motion_collision_detection(vehicle, x, y, z, NULL)) {
vehicle->remaining_distance = 0;
if (vehicle->sprite_direction == vehicle->var_34) {
vehicle->sprite_direction ^= (1 << 4);
sub_6DA280(vehicle);
vehicle->sprite_direction ^= (1 << 4);
}
break;
}
int bx = floor2(x, 32);
int dx = floor2(y, 32);
if (bx != vehicle->track_x || dx != vehicle->track_y) {
if (vehicle_is_boat_on_water(vehicle, x, y)) {
// loc_6DA939:
rct_ride *ride = get_ride(vehicle->ride);
bool do_loc_6DAA97 = false;
if (vehicle->sub_state != 1) {
do_loc_6DAA97 = true;
} else {
uint16 xy = (((dx >> 5) << 8) | (bx >> 5));
if (xy != ride->boat_hire_return_position) {
do_loc_6DAA97 = true;
}
}
// loc_6DAA97:
if (do_loc_6DAA97) {
vehicle->remaining_distance = 0;
if (vehicle->sprite_direction == vehicle->var_34) {
sub_6DA280(vehicle);
}
break;
}
if (!(ride->boat_hire_return_direction & 1)) {
uint16 bp = y & 0x1F;
if (bp == 16) {
loc_6DA9F9(vehicle, x, y, bx, dx);
break;
}
if (bp <= 16) {
x = unk_F64E20.x;
y = unk_F64E20.y + 1;
} else {
x = unk_F64E20.x;
y = unk_F64E20.y - 1;
}
} else {
// loc_6DA9A2:
uint16 bp = x & 0x1F;
if (bp == 16) {
loc_6DA9F9(vehicle, x, y, bx, dx);
break;
}
if (bp <= 16) {
x = unk_F64E20.x + 1;
y = unk_F64E20.y;
} else {
x = unk_F64E20.x - 1;
y = unk_F64E20.y;
}
}
// loc_6DA9D1:
vehicle->remaining_distance = 0;
if (!vehicle_update_motion_collision_detection(vehicle, x, y, vehicle->z, NULL)) {
unk_F64E20.x = x;
unk_F64E20.y = y;
}
break;
}
vehicle->track_x = bx;
vehicle->track_y = dx;
}
vehicle->remaining_distance -= Unk9A36C4[edi].distance;
unk_F64E20.x = x;
unk_F64E20.y = y;
if (vehicle->remaining_distance < 0x368A) {
break;
}
_vehicleUnkF64E10++;
}
sprite_move(
unk_F64E20.x,
unk_F64E20.y,
unk_F64E20.z,
(rct_sprite*)vehicle
);
vehicle_invalidate(vehicle);
}
// loc_6DAAC9:
{
int edx = vehicle->velocity >> 8;
edx = (edx * edx);
if (vehicle->velocity < 0) {
edx = -edx;
}
edx >>= 5;
// Hack to fix people messing with boat hire
int friction = vehicle->friction == 0 ? 1 : vehicle->friction;
int eax = ((vehicle->velocity >> 1) + edx) / friction;
int ecx = -eax;
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_3) {
eax = vehicle->speed << 14;
int ebx = (vehicle->speed * friction) >> 2;
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_3) {
eax = -eax;
}
eax -= vehicle->velocity;
edx = vehicle->powered_acceleration * 2;
ecx += (eax * edx) / ebx;
}
vehicle->acceleration = ecx;
}
// eax = _vehicleMotionTrackFlags;
// ebx = _vehicleStationIndex;
}
/**
*
* rct2: 0x006DA280
*/
static void sub_6DA280(rct_vehicle *vehicle)
{
rct_ride* ride = get_ride(vehicle->ride);
rct_xy8 location = {
.x = (vehicle->x + TileDirectionDelta[ride->boat_hire_return_direction & 3].x) / 32,
.y = (vehicle->y + TileDirectionDelta[ride->boat_hire_return_direction & 3].y) / 32
};
if (*((uint16*)&location) == ride->boat_hire_return_position) {
vehicle->sub_state = 1;
vehicle->boat_location = location;
return;
}
vehicle->sub_state = 0;
uint8 curDirection = ((vehicle->sprite_direction + 19) >> 3) & 3;
uint8 randDirection = scenario_rand() & 3;
rct_ride_entry* rideEntry = get_ride_entry(vehicle->ride_subtype);
if (scenario_rand() & 1 && (!(rideEntry->flags & RIDE_ENTRY_FLAG_7) || vehicle->lost_time_out > 1920)) {
location = *((rct_xy8*)&ride->boat_hire_return_position);
rct_xy16 destLocation = {
.x = location.x * 32 - TileDirectionDelta[ride->boat_hire_return_direction & 3].x + 16,
.y = location.y * 32 - TileDirectionDelta[ride->boat_hire_return_direction & 3].y + 16
};
destLocation.x -= vehicle->x;
destLocation.y -= vehicle->y;
if (abs(destLocation.x) <= abs(destLocation.y)) {
randDirection = destLocation.y < 0 ? 3 : 1;
} else {
randDirection = destLocation.x < 0 ? 0 : 2;
}
}
static const sint8 rotations[] = { 0, 1, -1, 2 };
for (int i = 0; i < 4; i++) {
if (randDirection + rotations[i] == curDirection) {
continue;
}
sint16 x = vehicle->track_x + TileDirectionDelta[(randDirection + rotations[i]) & 3].x;
sint16 y = vehicle->track_y + TileDirectionDelta[(randDirection + rotations[i]) & 3].y;
if (vehicle_is_boat_on_water(vehicle, x, y)) {
continue;
}
vehicle->boat_location.x = x / 32;
vehicle->boat_location.y = y / 32;
return;
}
sint16 x = vehicle->track_x + TileDirectionDelta[curDirection & 3].x;
sint16 y = vehicle->track_y + TileDirectionDelta[curDirection & 3].y;
vehicle->boat_location.x = x / 32;
vehicle->boat_location.y = y / 32;
}
/**
*
* rct2: 0x006DA22A
*/
static bool vehicle_is_boat_on_water(rct_vehicle *vehicle, int x, int y)
{
int z = vehicle->track_z >> 3;
rct_map_element *mapElement = map_get_first_element_at(x >> 5, y >> 5);
do {
if (map_element_get_type(mapElement) == MAP_ELEMENT_TYPE_SURFACE) {
int waterZ = (mapElement->properties.surface.terrain & 0x1F) * 2;
if (z != waterZ) {
return true;
}
} else {
if (z > mapElement->base_height - 2 && z < mapElement->clearance_height + 2) {
return true;
}
}
} while (!map_element_is_last_for_tile(mapElement++));
return false;
}
/**
*
* rct2: 0x006D9249
*/
static void vehicle_update_swinging(rct_vehicle* vehicle) {
rct_ride* ride = get_ride(vehicle->ride);
rct_ride_entry* rideEntry = get_ride_entry(vehicle->ride_subtype);
// SubState for this ride means swinging state
// 0 == first swing
// 3 == full swing
uint8 swingState = vehicle->sub_state;
if (rideEntry->flags & RIDE_ENTRY_FLAG_ALTERNATIVE_SWING_MODE_1) {
swingState += 4;
if (rideEntry->flags & RIDE_ENTRY_FLAG_ALTERNATIVE_SWING_MODE_2)
swingState += 4;
}
const sint8 *spriteMap = SwingingTimeToSpriteMaps[swingState];
sint8 spriteType = spriteMap[vehicle->current_time + 1];
// 0x80 indicates that a complete swing has been
// completed and the next swing can start
if (spriteType != -128) {
vehicle->current_time++;
if ((uint8)spriteType != vehicle->vehicle_sprite_type) {
// Used to know which sprite to draw
vehicle->vehicle_sprite_type = (uint8)spriteType;
vehicle_invalidate(vehicle);
}
return;
}
vehicle->current_time = -1;
vehicle->var_CE++;
if (ride->status != RIDE_STATUS_CLOSED) {
// It takes 3 swings to get into full swing
// ride->rotations already takes this into account
if (vehicle->var_CE + 3 < ride->rotations) {
// Go to the next swing state until we
// are at full swing.
if (vehicle->sub_state != 3) {
vehicle->sub_state++;
}
vehicle_update_swinging(vehicle);
return;
}
}
// To get to this part of the code the
// swing has to be in slowing down phase
if (vehicle->sub_state == 0) {
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
return;
}
// Go towards first swing state
vehicle->sub_state--;
vehicle_update_swinging(vehicle);
}
/**
*
* rct2: 0x006D9413
*/
static void vehicle_update_ferris_wheel_rotating(rct_vehicle* vehicle) {
if (_vehicleBreakdown == 0)
return;
rct_ride* ride = get_ride(vehicle->ride);
if ((vehicle->ferris_wheel_var_1 -= 1) != 0)
return;
sint8 ferris_wheel_var_0 = vehicle->ferris_wheel_var_0;
if (ferris_wheel_var_0 == 3) {
vehicle->ferris_wheel_var_0 = ferris_wheel_var_0;
vehicle->ferris_wheel_var_1 = ferris_wheel_var_0;
}
else if (ferris_wheel_var_0 < 3) {
if (ferris_wheel_var_0 != -8)
ferris_wheel_var_0--;
vehicle->ferris_wheel_var_0 = ferris_wheel_var_0;
vehicle->ferris_wheel_var_1 = -ferris_wheel_var_0;
}
else {
ferris_wheel_var_0--;
vehicle->ferris_wheel_var_0 = ferris_wheel_var_0;
vehicle->ferris_wheel_var_1 = ferris_wheel_var_0;
}
uint8 rotation = vehicle->vehicle_sprite_type;
if (ride->mode == RIDE_MODE_FORWARD_ROTATION)
rotation++;
else
rotation--;
rotation &= 0x7F;
vehicle->vehicle_sprite_type = rotation;
if (rotation == vehicle->sub_state)
vehicle->var_CE++;
vehicle_invalidate(vehicle);
uint8 subState = vehicle->sub_state;
if (ride->mode == RIDE_MODE_FORWARD_ROTATION)
subState++;
else
subState--;
subState &= 0x7F;
if (subState == vehicle->vehicle_sprite_type) {
bool shouldStop = true;
if (ride->status != RIDE_STATUS_CLOSED) {
if (vehicle->var_CE < ride->rotations)
shouldStop = false;
}
if (shouldStop) {
ferris_wheel_var_0 = vehicle->ferris_wheel_var_0;
vehicle->ferris_wheel_var_0 = -abs(ferris_wheel_var_0);
vehicle->ferris_wheel_var_1 = abs(ferris_wheel_var_0);
}
}
if (vehicle->ferris_wheel_var_0 != -8)
return;
subState = vehicle->sub_state;
if (ride->mode == RIDE_MODE_FORWARD_ROTATION)
subState += 8;
else
subState -= 8;
subState &= 0x7F;
if (subState != vehicle->vehicle_sprite_type)
return;
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
}
/**
*
* rct2: 0x006D94F2
*/
static void vehicle_update_simulator_operating(rct_vehicle* vehicle) {
if (_vehicleBreakdown == 0)
return;
assert(vehicle->current_time >= -1);
assert(vehicle->current_time < MotionSimulatorTimeToSpriteMapCount);
uint8 al = MotionSimulatorTimeToSpriteMap[vehicle->current_time + 1];
if (al != 0xFF) {
vehicle->current_time++;
if (al == vehicle->vehicle_sprite_type)
return;
vehicle->vehicle_sprite_type = al;
vehicle_invalidate(vehicle);
return;
}
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
}
/**
*
* rct2: 0x006D92FF
*/
static void vehicle_update_rotating(rct_vehicle* vehicle) {
if (_vehicleBreakdown == 0)
return;
rct_ride* ride = get_ride(vehicle->ride);
rct_ride_entry* rideEntry = get_ride_entry(vehicle->ride_subtype);
const uint8* timeToSpriteMap;
if (rideEntry->flags & RIDE_ENTRY_FLAG_ALTERNATIVE_ROTATION_MODE_1) {
timeToSpriteMap = Rotation1TimeToSpriteMaps[vehicle->sub_state];
}
else if (rideEntry->flags & RIDE_ENTRY_FLAG_ALTERNATIVE_ROTATION_MODE_2) {
timeToSpriteMap = Rotation2TimeToSpriteMaps[vehicle->sub_state];
}
else {
timeToSpriteMap = Rotation3TimeToSpriteMaps[vehicle->sub_state];
}
sint32 time = (sint16)vehicle->current_time;
if (_vehicleBreakdown == BREAKDOWN_CONTROL_FAILURE) {
time += (ride->breakdown_sound_modifier >> 6) + 1;
}
time++;
uint8 sprite = timeToSpriteMap[(uint32)time];
if (sprite != 0xFF) {
vehicle->current_time = (uint16)time;
if (sprite == vehicle->vehicle_sprite_type)
return;
vehicle->vehicle_sprite_type = sprite;
vehicle_invalidate(vehicle);
return;
}
vehicle->current_time = -1;
vehicle->var_CE++;
if (_vehicleBreakdown != BREAKDOWN_CONTROL_FAILURE) {
bool shouldStop = true;
if (ride->status != RIDE_STATUS_CLOSED) {
sprite = vehicle->var_CE + 1;
if (ride->type == RIDE_TYPE_ENTERPRISE)
sprite += 9;
if (sprite < ride->rotations)
shouldStop = false;
}
if (shouldStop == true) {
if (vehicle->sub_state == 2) {
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
return;
}
vehicle->sub_state++;
vehicle_update_rotating(vehicle);
return;
}
}
if (ride->type == RIDE_TYPE_ENTERPRISE &&
vehicle->sub_state == 2) {
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
return;
}
vehicle->sub_state = 1;
vehicle_update_rotating(vehicle);
}
/**
*
* rct2: 0x006D97CB
*/
static void vehicle_update_space_rings_operating(rct_vehicle *vehicle)
{
if (_vehicleBreakdown == 0)
return;
uint8 spriteType = SpaceRingsTimeToSpriteMap[vehicle->current_time + 1];
if (spriteType != 255) {
vehicle->current_time++;
if (spriteType != vehicle->vehicle_sprite_type) {
vehicle->vehicle_sprite_type = spriteType;
vehicle_invalidate(vehicle);
}
} else {
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
}
}
/**
*
* rct2: 0x006D9641
*/
static void vehicle_update_haunted_house_operating(rct_vehicle* vehicle) {
if (_vehicleBreakdown == 0)
return;
if (vehicle->vehicle_sprite_type != 0) {
if (gCurrentTicks & 1) {
vehicle->vehicle_sprite_type++;
vehicle_invalidate(vehicle);
if (vehicle->vehicle_sprite_type == 19)
vehicle->vehicle_sprite_type = 0;
}
}
if (vehicle->current_time + 1 > 1500) {
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
return;
}
vehicle->current_time++;
switch (vehicle->current_time) {
case 45:
audio_play_sound_at_location(
SOUND_HAUNTED_HOUSE_SCARE,
vehicle->x,
vehicle->y,
vehicle->z);
break;
case 75:
vehicle->vehicle_sprite_type = 1;
vehicle_invalidate(vehicle);
break;
case 400:
audio_play_sound_at_location(
SOUND_HAUNTED_HOUSE_SCREAM_1,
vehicle->x,
vehicle->y,
vehicle->z);
break;
case 745:
audio_play_sound_at_location(
SOUND_HAUNTED_HOUSE_SCARE,
vehicle->x,
vehicle->y,
vehicle->z);
break;
case 775:
vehicle->vehicle_sprite_type = 1;
vehicle_invalidate(vehicle);
break;
case 1100:
audio_play_sound_at_location(
SOUND_HAUNTED_HOUSE_SCREAM_2,
vehicle->x,
vehicle->y,
vehicle->z);
break;
}
}
/**
*
* rct2: 0x006d9781
*/
static void vehicle_update_crooked_house_operating(rct_vehicle* vehicle) {
if (_vehicleBreakdown == 0)
return;
if ((uint16)(vehicle->current_time + 1) > RideCrookedHouseLength[vehicle->sub_state]) {
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
return;
}
vehicle->current_time++;
}
/**
*
* rct2: 0x006D9547
*/
static void vehicle_update_top_spin_operating(rct_vehicle* vehicle) {
if (_vehicleBreakdown == 0)
return;
const top_spin_time_to_sprite_map * edi = TopSpinTimeToSpriteMaps[vehicle->sub_state];
uint8 al = edi[vehicle->current_time + 1].arm_rotation;
if (al != 0xFF) {
vehicle->current_time = vehicle->current_time + 1;
if (al != vehicle->vehicle_sprite_type) {
vehicle->vehicle_sprite_type = al;
vehicle_invalidate(vehicle);
}
al = edi[vehicle->current_time].bank_rotation;
if (al != vehicle->bank_rotation) {
vehicle->bank_rotation = al;
vehicle_invalidate(vehicle);
}
return;
}
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
}
/**
*
* rct2: 0x006D95AD
*/
static void vehicle_update_showing_film(rct_vehicle *vehicle)
{
int currentTime, totalTime;
if (_vehicleBreakdown == 0)
return;
totalTime = RideFilmLength[vehicle->sub_state];
currentTime = vehicle->current_time + 1;
if (currentTime <= totalTime) {
vehicle->current_time = currentTime;
}
else {
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
}
}
/**
*
* rct2: 0x006D95F7
*/
static void vehicle_update_doing_circus_show(rct_vehicle *vehicle)
{
if (_vehicleBreakdown == 0)
return;
int currentTime = vehicle->current_time + 1;
if (currentTime <= 5000) {
vehicle->current_time = currentTime;
} else {
vehicle->status = VEHICLE_STATUS_ARRIVING;
vehicle_invalidate_window(vehicle);
vehicle->sub_state = 0;
vehicle->var_C0 = 0;
}
}
/**
*
* rct2: 0x0068B8BD
* @returns the map element that the vehicle will collide with or NULL if no collisions.
*/
static rct_map_element* vehicle_check_collision(sint16 x, sint16 y, sint16 z) {
rct_map_element* mapElement = map_get_first_element_at(x / 32, y / 32);
if (mapElement == NULL)
// Can't return null as that implies no collision,
// but should still cause a crash when dereferenced.
return (rct_map_element *) -1;
uint8 bl;
if ((x & 0x1F) >= 16) {
bl = 1;
if ((y & 0x1F) < 16)
bl = 2;
}
else {
bl = 4;
if ((y & 0x1F) >= 16)
bl = 8;
}
do {
if (z / 8 < mapElement->base_height)
continue;
if (z / 8 >= mapElement->clearance_height)
continue;
if (mapElement->flags & bl)
return mapElement;
} while (!map_element_is_last_for_tile(mapElement++));
return NULL;
}
/**
*
* rct2: 0x006DE6C6
*/
static void vehicle_kill_all_passengers(rct_vehicle* vehicle) {
uint16 numFatalities = 0;
uint16 spriteId = vehicle->sprite_index;
for (rct_vehicle* curVehicle; spriteId != 0xFFFF; spriteId = curVehicle->next_vehicle_on_train) {
curVehicle = GET_VEHICLE(spriteId);
numFatalities += curVehicle->num_peeps;
}
rct_ride* ride = get_ride(vehicle->ride);
set_format_arg(0, uint16, numFatalities);
uint8 crashType = numFatalities == 0 ?
RIDE_CRASH_TYPE_NO_FATALITIES :
RIDE_CRASH_TYPE_FATALITIES;
if (crashType >= ride->last_crash_type)
ride->last_crash_type = crashType;
if (numFatalities != 0) {
set_format_arg(2, rct_string_id, ride->name);
set_format_arg(4, uint32, ride->name_arguments);
news_item_add_to_queue(NEWS_ITEM_RIDE, STR_X_PEOPLE_DIED_ON_X, vehicle->ride);
if (gParkRatingCasualtyPenalty < 500) {
gParkRatingCasualtyPenalty += 200;
}
}
spriteId = vehicle->sprite_index;
for (rct_vehicle* curVehicle; spriteId != 0xFFFF; spriteId = curVehicle->next_vehicle_on_train) {
curVehicle = GET_VEHICLE(spriteId);
if (curVehicle->num_peeps != curVehicle->next_free_seat)
continue;
if (curVehicle->num_peeps == 0)
continue;
for (uint8 i = 0; i < curVehicle->num_peeps; i++) {
rct_peep* peep = GET_PEEP(curVehicle->peep[i]);
if (peep->outside_of_park == 0) {
gNumGuestsInPark--;
gToolbarDirtyFlags |=
BTM_TB_DIRTY_FLAG_PEEP_COUNT;
}
ride->num_riders--;
peep_sprite_remove(peep);
}
curVehicle->num_peeps = 0;
curVehicle->next_free_seat = 0;
}
}
static void vehicle_crash_on_land(rct_vehicle* vehicle) {
vehicle->status = VEHICLE_STATUS_CRASHED;
vehicle_invalidate_window(vehicle);
rct_ride* ride = get_ride(vehicle->ride);
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_CRASHED)) {
rct_vehicle* frontVehicle = vehicle;
while (frontVehicle->is_child != 0)frontVehicle = GET_VEHICLE(frontVehicle->prev_vehicle_on_ride);
uint8 trainIndex = 0;
while (ride->vehicles[trainIndex] != frontVehicle->sprite_index)
trainIndex++;
ride_crash(vehicle->ride, trainIndex);
if (ride->status != RIDE_STATUS_CLOSED) {
ride_set_status(vehicle->ride, RIDE_STATUS_CLOSED);
}
}
ride->lifecycle_flags |= RIDE_LIFECYCLE_CRASHED;
ride->window_invalidate_flags |= RIDE_INVALIDATE_RIDE_MAIN | RIDE_INVALIDATE_RIDE_LIST;
if (vehicle->is_child == 0) {
vehicle_kill_all_passengers(vehicle);
}
vehicle->sub_state = 2;
audio_play_sound_at_location(SOUND_CRASH, vehicle->x, vehicle->y, vehicle->z);
sprite_misc_explosion_cloud_create(vehicle->x, vehicle->y, vehicle->z);
sprite_misc_explosion_flare_create(vehicle->x, vehicle->y, vehicle->z);
uint8 numParticles = min(vehicle->sprite_width, 7);
while (numParticles-- != 0)
crashed_vehicle_particle_create(vehicle->colours, vehicle->x, vehicle->y, vehicle->z);
vehicle->flags |= SPRITE_FLAGS_IS_CRASHED_VEHICLE_SPRITE;
vehicle->var_C5 = 0;
vehicle->var_C8 = 0;
vehicle->sprite_width = 13;
vehicle->sprite_height_negative = 45;
vehicle->sprite_height_positive = 5;
sprite_move(vehicle->x, vehicle->y, vehicle->z, (rct_sprite*)vehicle);
vehicle_invalidate(vehicle);
vehicle->var_4E = 0;
}
static void vehicle_crash_on_water(rct_vehicle* vehicle) {
vehicle->status = VEHICLE_STATUS_CRASHED;
vehicle_invalidate_window(vehicle);
rct_ride* ride = get_ride(vehicle->ride);
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_CRASHED)) {
rct_vehicle* frontVehicle = vehicle;
while (frontVehicle->is_child != 0)frontVehicle = GET_VEHICLE(frontVehicle->prev_vehicle_on_ride);
uint8 trainIndex = 0;
while (ride->vehicles[trainIndex] != frontVehicle->sprite_index)
trainIndex++;
ride_crash(vehicle->ride, trainIndex);
if (ride->status != RIDE_STATUS_CLOSED) {
ride_set_status(vehicle->ride, RIDE_STATUS_CLOSED);
}
}
ride->lifecycle_flags |= RIDE_LIFECYCLE_CRASHED;
ride->window_invalidate_flags |= RIDE_INVALIDATE_RIDE_MAIN | RIDE_INVALIDATE_RIDE_LIST;
if (vehicle->is_child == 0) {
vehicle_kill_all_passengers(vehicle);
}
vehicle->sub_state = 2;
audio_play_sound_at_location(SOUND_WATER_1, vehicle->x, vehicle->y, vehicle->z);
crash_splash_create(vehicle->x, vehicle->y, vehicle->z);
crash_splash_create(vehicle->x - 8, vehicle->y - 9, vehicle->z);
crash_splash_create(vehicle->x + 11, vehicle->y - 9, vehicle->z);
crash_splash_create(vehicle->x + 11, vehicle->y + 8, vehicle->z);
crash_splash_create(vehicle->x - 4, vehicle->y + 8, vehicle->z);
for (int i = 0; i < 10; ++i)
crashed_vehicle_particle_create(vehicle->colours, vehicle->x - 4, vehicle->y + 8, vehicle->z);
vehicle->flags |= SPRITE_FLAGS_IS_CRASHED_VEHICLE_SPRITE;
vehicle->var_C5 = 0;
vehicle->var_C8 = 0;
vehicle->sprite_width = 13;
vehicle->sprite_height_negative = 45;
vehicle->sprite_height_positive = 5;
sprite_move(vehicle->x, vehicle->y, vehicle->z, (rct_sprite*)vehicle);
vehicle_invalidate(vehicle);
vehicle->var_4E = 0xFFFF;
}
/**
*
* rct2: 0x006D98CA
*/
static void vehicle_update_crash(rct_vehicle *vehicle){
uint16 spriteId = vehicle->sprite_index;
rct_vehicle* curVehicle;
do {
curVehicle = GET_VEHICLE(spriteId);
if (curVehicle->sub_state > 1) {
if (curVehicle->var_4E <= 96) {
curVehicle->var_4E++;
if ((scenario_rand() & 0xFFFF) <= 0x1555) {
sprite_misc_explosion_cloud_create(
curVehicle->x + ((scenario_rand() & 2) - 1),
curVehicle->y + ((scenario_rand() & 2) - 1),
curVehicle->z
);
}
}
if (curVehicle->var_C8 + 7281 > 0xFFFF) {
curVehicle->var_C5++;
if (curVehicle->var_C5 >= 8)
curVehicle->var_C5 = 0;
invalidate_sprite_2((rct_sprite*)curVehicle);
}
curVehicle->var_C8 += 7281;
continue;
}
rct_map_element* collideElement = vehicle_check_collision(curVehicle->x, curVehicle->y, curVehicle->z);
if (collideElement == NULL) {
curVehicle->sub_state = 1;
}
else if (curVehicle->sub_state == 1){
vehicle_crash_on_land(curVehicle);
continue;
}
int z = map_element_height(curVehicle->x, curVehicle->y);
sint16 waterHeight = (z >> 16) & 0xFFFF;
z = (sint16)(z & 0xFFFF);
sint16 zDiff;
if (waterHeight != 0) {
zDiff = curVehicle->z - waterHeight;
if (zDiff <= 0 && zDiff >= -20) {
vehicle_crash_on_water(curVehicle);
continue;
}
}
zDiff = curVehicle->z - z;
if ((zDiff <= 0 && zDiff >= -20) || curVehicle->z < 16){
vehicle_crash_on_land(curVehicle);
continue;
}
invalidate_sprite_2((rct_sprite*)curVehicle);
rct_xyz16 curPosition = {
.x = curVehicle->x,
.y = curVehicle->y,
.z = curVehicle->z
};
curPosition.x += (sint8)(curVehicle->var_B6 >> 8);
curPosition.y += (sint8)(curVehicle->var_C0 >> 8);
curPosition.z += (sint8)(curVehicle->var_4E >> 8);
curVehicle->track_x = (sint16)(curVehicle->var_B6 << 8);
curVehicle->track_y = (sint16)(curVehicle->var_C0 << 8);
curVehicle->track_z = (sint16)(curVehicle->var_4E << 8);
if (curPosition.x > 0x1FFF ||
curPosition.y > 0x1FFF) {
vehicle_crash_on_land(curVehicle);
continue;
}
sprite_move(curPosition.x, curPosition.y, curPosition.z, (rct_sprite*)curVehicle);
invalidate_sprite_2((rct_sprite*)curVehicle);
if (curVehicle->sub_state == 1) {
curVehicle->var_4E += 0xFFEC;
}
} while ((spriteId = curVehicle->next_vehicle_on_train) != 0xFFFF);
}
/**
*
* rct2: 0x006D7888
*/
static void vehicle_update_sound(rct_vehicle *vehicle)
{
rct_ride *ride;
rct_ride_entry *rideEntry;
// frictionVolume (bl) should be set before hand
uint8 frictionVolume = 255, frictionId = 255;
// bh screamVolume should be set before hand
uint8 screamId, screamVolume = 255;
uint16 soundIdVolume;
ride = get_ride(vehicle->ride);
rideEntry = get_ride_entry(vehicle->ride_subtype);
rct_ride_entry_vehicle* vehicleEntry = &rideEntry->vehicles[vehicle->vehicle_type];
int ecx = abs(vehicle->velocity) - 0x10000;
if (ecx >= 0) {
frictionId = vehicleEntry->friction_sound_id;
ecx >>= 15;
frictionVolume = min(208 + (ecx & 0xFF), 255);
}
switch (vehicleEntry->sound_range) {
case 3:
screamId = vehicle->scream_sound_id;
if (!(gCurrentTicks & 0x7F)) {
if (vehicle->velocity < 0x40000 || vehicle->scream_sound_id != 255)
goto loc_6D7A97;
if ((scenario_rand() & 0xFFFF) <= 0x5555) {
vehicle->scream_sound_id = SOUND_TRAIN_WHISTLE;
screamVolume = 255;
break;
}
}
if (screamId == NO_SCREAM) screamId = 255;
screamVolume = 255;
break;
case 4:
screamId = vehicle->scream_sound_id;
if (!(gCurrentTicks & 0x7F)) {
if (vehicle->velocity < 0x40000 || vehicle->scream_sound_id != 255)
goto loc_6D7A97;
if ((scenario_rand() & 0xFFFF) <= 0x5555) {
vehicle->scream_sound_id = SOUND_TRAM;
screamVolume = 255;
break;
}
}
if (screamId == NO_SCREAM) screamId = 255;
screamVolume = 255;
break;
default:
if ((vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_4)) {
screamId = vehicle_update_scream_sound(vehicle);
if (screamId == NO_SCREAM)
screamId = 255;
if (screamId == 255)
goto loc_6D7A97;
break;
}
loc_6D7A97:
vehicle->scream_sound_id = 255;
assert(ride->type < countof(RideLiftData));
// Get lift hill sound
screamId = RideLiftData[ride->type].sound_id;
screamVolume = 243;
if (!(vehicle->var_B8 & 2))
screamId = 255;
}
// Friction sound
soundIdVolume = sub_6D7AC0(vehicle->sound1_id, vehicle->sound1_volume, frictionId, frictionVolume);
vehicle->sound1_id = soundIdVolume & 0xFF;
vehicle->sound1_volume = (soundIdVolume >> 8) & 0xFF;
// Scream sound
soundIdVolume = sub_6D7AC0(vehicle->sound2_id, vehicle->sound2_volume, screamId, screamVolume);
vehicle->sound2_id = soundIdVolume & 0xFF;
vehicle->sound2_volume = (soundIdVolume >> 8) & 0xFF;
{
int ebx = word_9A3684[vehicle->sprite_direction];
int eax = ((vehicle->velocity >> 14) * ebx) >> 14;
eax = clamp(-127, eax, 127);
vehicle->var_BF = eax & 0xFF;
}
}
/**
*
* rct2: 0x006D796B
*/
static int vehicle_update_scream_sound(rct_vehicle *vehicle)
{
uint32 r;
uint16 spriteIndex;
rct_ride_entry *rideEntry;
rct_vehicle *vehicle2;
rideEntry = get_ride_entry(vehicle->ride_subtype);
rct_ride_entry_vehicle* vehicleEntry = &rideEntry->vehicles[vehicle->vehicle_type];
int totalNumPeeps = vehicle_get_total_num_peeps(vehicle);
if (totalNumPeeps == 0)
return 255;
if (vehicle->velocity < 0) {
if (vehicle->velocity > -0x2C000)
return 255;
spriteIndex = vehicle->sprite_index;
do {
vehicle2 = &(get_sprite(spriteIndex)->vehicle);
if (vehicle2->vehicle_sprite_type < 1)
continue;
if (vehicle2->vehicle_sprite_type <= 4)
goto produceScream;
if (vehicle2->vehicle_sprite_type < 9)
continue;
if (vehicle2->vehicle_sprite_type <= 15)
goto produceScream;
} while ((spriteIndex = vehicle2->next_vehicle_on_train) != SPRITE_INDEX_NULL);
return 255;
}
if (vehicle->velocity < 0x2C000)
return 255;
spriteIndex = vehicle->sprite_index;
do {
vehicle2 = &(get_sprite(spriteIndex)->vehicle);
if (vehicle2->vehicle_sprite_type < 5)
continue;
if (vehicle2->vehicle_sprite_type <= 8)
goto produceScream;
if (vehicle2->vehicle_sprite_type < 17)
continue;
if (vehicle2->vehicle_sprite_type <= 23)
goto produceScream;
} while ((spriteIndex = vehicle2->next_vehicle_on_train) != SPRITE_INDEX_NULL);
return 255;
produceScream:
if (vehicle->scream_sound_id == 255) {
r = scenario_rand();
if (totalNumPeeps >= (int)(r % 16)) {
switch (vehicleEntry->sound_range) {
case 0:
vehicle->scream_sound_id = byte_9A3A14[r % 2];
break;
case 1:
vehicle->scream_sound_id = byte_9A3A18[r % 7];
break;
case 2:
vehicle->scream_sound_id = byte_9A3A16[r % 2];
break;
default:
vehicle->scream_sound_id = NO_SCREAM;
break;
}
} else {
vehicle->scream_sound_id = NO_SCREAM;
}
}
return vehicle->scream_sound_id;
}
/**
*
* rct2: 0x006D73D0
* ax: verticalG
* dx: lateralG
* esi: vehicle
*/
void vehicle_get_g_forces(rct_vehicle *vehicle, int *verticalG, int *lateralG)
{
int gForceVert = (((sint64)0x280000) * Unk9A37E4[vehicle->vehicle_sprite_type]) >> 32;
gForceVert = (((sint64)gForceVert) * Unk9A39C4[vehicle->bank_rotation]) >> 32;
int lateralFactor = 0, vertFactor = 0;
// Note shr has meant some of the below functions cast a known negative number to
// unsigned. Possibly an original bug but will be left implemented.
switch (vehicle->track_type >> 2) {
case TRACK_ELEM_FLAT:
case TRACK_ELEM_END_STATION:
case TRACK_ELEM_BEGIN_STATION:
case TRACK_ELEM_MIDDLE_STATION:
case TRACK_ELEM_25_DEG_UP:
case TRACK_ELEM_60_DEG_UP: //
case TRACK_ELEM_25_DEG_DOWN:
case TRACK_ELEM_60_DEG_DOWN: //
case TRACK_ELEM_FLAT_TO_LEFT_BANK:
case TRACK_ELEM_FLAT_TO_RIGHT_BANK:
case TRACK_ELEM_LEFT_BANK_TO_FLAT:
case TRACK_ELEM_RIGHT_BANK_TO_FLAT://
case TRACK_ELEM_LEFT_BANK:
case TRACK_ELEM_RIGHT_BANK:
case TRACK_ELEM_TOWER_BASE:
case TRACK_ELEM_TOWER_SECTION:
case TRACK_ELEM_FLAT_COVERED:
case TRACK_ELEM_25_DEG_UP_COVERED:
case TRACK_ELEM_60_DEG_UP_COVERED:
case TRACK_ELEM_25_DEG_DOWN_COVERED:
case TRACK_ELEM_60_DEG_DOWN_COVERED:
case TRACK_ELEM_BRAKES:
case TRACK_ELEM_ROTATION_CONTROL_TOGGLE:
case TRACK_ELEM_INVERTED_90_DEG_UP_TO_FLAT_QUARTER_LOOP:
case TRACK_ELEM_25_DEG_UP_LEFT_BANKED:
case TRACK_ELEM_25_DEG_UP_RIGHT_BANKED:
case TRACK_ELEM_WATERFALL:
case TRACK_ELEM_RAPIDS:
case TRACK_ELEM_ON_RIDE_PHOTO:
case TRACK_ELEM_25_DEG_DOWN_LEFT_BANKED:
case TRACK_ELEM_25_DEG_DOWN_RIGHT_BANKED:
case TRACK_ELEM_WHIRLPOOL:
case TRACK_ELEM_REVERSE_WHOA_BELLY_VERTICAL:
case TRACK_ELEM_90_DEG_UP:
case TRACK_ELEM_90_DEG_DOWN:
case TRACK_ELEM_DIAG_FLAT:
case TRACK_ELEM_DIAG_25_DEG_UP:
case TRACK_ELEM_DIAG_60_DEG_UP:
case TRACK_ELEM_DIAG_25_DEG_DOWN:
case TRACK_ELEM_DIAG_60_DEG_DOWN:
case TRACK_ELEM_DIAG_FLAT_TO_LEFT_BANK:
case TRACK_ELEM_DIAG_FLAT_TO_RIGHT_BANK:
case TRACK_ELEM_DIAG_LEFT_BANK_TO_FLAT:
case TRACK_ELEM_DIAG_RIGHT_BANK_TO_FLAT:
case TRACK_ELEM_DIAG_LEFT_BANK:
case TRACK_ELEM_DIAG_RIGHT_BANK:
case TRACK_ELEM_LOG_FLUME_REVERSER:
case TRACK_ELEM_SPINNING_TUNNEL:
case TRACK_ELEM_POWERED_LIFT:
case TRACK_ELEM_MINI_GOLF_HOLE_A:
case TRACK_ELEM_MINI_GOLF_HOLE_B:
case TRACK_ELEM_MINI_GOLF_HOLE_C:
case TRACK_ELEM_MINI_GOLF_HOLE_D:
case TRACK_ELEM_MINI_GOLF_HOLE_E:
case TRACK_ELEM_LEFT_REVERSER:
case TRACK_ELEM_RIGHT_REVERSER:
case TRACK_ELEM_AIR_THRUST_VERTICAL_DOWN:
case TRACK_ELEM_BLOCK_BRAKES:
case TRACK_ELEM_25_DEG_UP_TO_LEFT_BANKED_25_DEG_UP:
case TRACK_ELEM_25_DEG_UP_TO_RIGHT_BANKED_25_DEG_UP:
case TRACK_ELEM_LEFT_BANKED_25_DEG_UP_TO_25_DEG_UP:
case TRACK_ELEM_RIGHT_BANKED_25_DEG_UP_TO_25_DEG_UP:
case TRACK_ELEM_25_DEG_DOWN_TO_LEFT_BANKED_25_DEG_DOWN:
case TRACK_ELEM_25_DEG_DOWN_TO_RIGHT_BANKED_25_DEG_DOWN:
case TRACK_ELEM_LEFT_BANKED_25_DEG_DOWN_TO_25_DEG_DOWN:
case TRACK_ELEM_RIGHT_BANKED_25_DEG_DOWN_TO_25_DEG_DOWN:
case TRACK_ELEM_LEFT_QUARTER_TURN_1_TILE_90_DEG_UP:
case TRACK_ELEM_RIGHT_QUARTER_TURN_1_TILE_90_DEG_UP:
case TRACK_ELEM_LEFT_QUARTER_TURN_1_TILE_90_DEG_DOWN:
case TRACK_ELEM_RIGHT_QUARTER_TURN_1_TILE_90_DEG_DOWN:
//6d73FF
// Do nothing
break;
case TRACK_ELEM_FLAT_TO_25_DEG_UP://
case TRACK_ELEM_25_DEG_DOWN_TO_FLAT://
case TRACK_ELEM_LEFT_BANK_TO_25_DEG_UP:
case TRACK_ELEM_RIGHT_BANK_TO_25_DEG_UP:
case TRACK_ELEM_25_DEG_DOWN_TO_LEFT_BANK:
case TRACK_ELEM_25_DEG_DOWN_TO_RIGHT_BANK:
case TRACK_ELEM_FLAT_TO_25_DEG_UP_COVERED:
case TRACK_ELEM_25_DEG_DOWN_TO_FLAT_COVERED:
case TRACK_ELEM_LEFT_BANKED_FLAT_TO_LEFT_BANKED_25_DEG_UP:
case TRACK_ELEM_RIGHT_BANKED_FLAT_TO_RIGHT_BANKED_25_DEG_UP:
case TRACK_ELEM_LEFT_BANKED_25_DEG_DOWN_TO_LEFT_BANKED_FLAT:
case TRACK_ELEM_RIGHT_BANKED_25_DEG_DOWN_TO_RIGHT_BANKED_FLAT:
case TRACK_ELEM_FLAT_TO_LEFT_BANKED_25_DEG_UP:
case TRACK_ELEM_FLAT_TO_RIGHT_BANKED_25_DEG_UP:
case TRACK_ELEM_LEFT_BANKED_25_DEG_DOWN_TO_FLAT:
case TRACK_ELEM_RIGHT_BANKED_25_DEG_DOWN_TO_FLAT:
vertFactor = 103;
//6d7509
break;
case TRACK_ELEM_25_DEG_UP_TO_FLAT://
case TRACK_ELEM_FLAT_TO_25_DEG_DOWN://
case TRACK_ELEM_25_DEG_UP_TO_LEFT_BANK:
case TRACK_ELEM_25_DEG_UP_TO_RIGHT_BANK:
case TRACK_ELEM_LEFT_BANK_TO_25_DEG_DOWN:
case TRACK_ELEM_RIGHT_BANK_TO_25_DEG_DOWN:
case TRACK_ELEM_25_DEG_UP_TO_FLAT_COVERED:
case TRACK_ELEM_FLAT_TO_25_DEG_DOWN_COVERED:
case TRACK_ELEM_CABLE_LIFT_HILL:
case TRACK_ELEM_LEFT_BANKED_25_DEG_UP_TO_LEFT_BANKED_FLAT:
case TRACK_ELEM_RIGHT_BANKED_25_DEG_UP_TO_RIGHT_BANKED_FLAT:
case TRACK_ELEM_LEFT_BANKED_FLAT_TO_LEFT_BANKED_25_DEG_DOWN:
case TRACK_ELEM_RIGHT_BANKED_FLAT_TO_RIGHT_BANKED_25_DEG_DOWN:
case TRACK_ELEM_LEFT_BANKED_25_DEG_UP_TO_FLAT:
case TRACK_ELEM_RIGHT_BANKED_25_DEG_UP_TO_FLAT:
case TRACK_ELEM_FLAT_TO_LEFT_BANKED_25_DEG_DOWN:
case TRACK_ELEM_FLAT_TO_RIGHT_BANKED_25_DEG_DOWN:
vertFactor = -103;
//6d7569
break;
case TRACK_ELEM_25_DEG_UP_TO_60_DEG_UP://
case TRACK_ELEM_60_DEG_DOWN_TO_25_DEG_DOWN://
case TRACK_ELEM_25_DEG_UP_TO_60_DEG_UP_COVERED:
case TRACK_ELEM_60_DEG_DOWN_TO_25_DEG_DOWN_COVERED:
vertFactor = 82;
//6d7545
break;
case TRACK_ELEM_60_DEG_UP_TO_25_DEG_UP://
case TRACK_ELEM_25_DEG_DOWN_TO_60_DEG_DOWN://
case TRACK_ELEM_60_DEG_UP_TO_25_DEG_UP_COVERED:
case TRACK_ELEM_25_DEG_DOWN_TO_60_DEG_DOWN_COVERED:
vertFactor = -82;
//6d7551
break;
case TRACK_ELEM_LEFT_QUARTER_TURN_5_TILES://
case TRACK_ELEM_LEFT_QUARTER_TURN_5_TILES_25_DEG_UP:
case TRACK_ELEM_LEFT_QUARTER_TURN_5_TILES_25_DEG_DOWN:
case TRACK_ELEM_LEFT_TWIST_DOWN_TO_UP:
case TRACK_ELEM_LEFT_TWIST_UP_TO_DOWN:
case TRACK_ELEM_LEFT_QUARTER_TURN_5_TILES_COVERED:
case TRACK_ELEM_LEFT_QUARTER_HELIX_LARGE_UP:
case TRACK_ELEM_LEFT_QUARTER_HELIX_LARGE_DOWN:
case TRACK_ELEM_LEFT_FLYER_TWIST_UP:
case TRACK_ELEM_LEFT_FLYER_TWIST_DOWN:
case TRACK_ELEM_LEFT_HEARTLINE_ROLL:
lateralFactor = 98;
//6d7590
break;
case TRACK_ELEM_RIGHT_QUARTER_TURN_5_TILES://
case TRACK_ELEM_RIGHT_QUARTER_TURN_5_TILES_25_DEG_UP:
case TRACK_ELEM_RIGHT_QUARTER_TURN_5_TILES_25_DEG_DOWN:
case TRACK_ELEM_RIGHT_TWIST_DOWN_TO_UP:
case TRACK_ELEM_RIGHT_TWIST_UP_TO_DOWN:
case TRACK_ELEM_RIGHT_QUARTER_TURN_5_TILES_COVERED:
case TRACK_ELEM_RIGHT_QUARTER_HELIX_LARGE_UP:
case TRACK_ELEM_RIGHT_QUARTER_HELIX_LARGE_DOWN:
case TRACK_ELEM_RIGHT_FLYER_TWIST_UP:
case TRACK_ELEM_RIGHT_FLYER_TWIST_DOWN:
case TRACK_ELEM_RIGHT_HEARTLINE_ROLL:
lateralFactor = -98;
//6d75B7
break;
case TRACK_ELEM_BANKED_LEFT_QUARTER_TURN_5_TILES:
case TRACK_ELEM_LEFT_HALF_BANKED_HELIX_UP_LARGE:
case TRACK_ELEM_LEFT_HALF_BANKED_HELIX_DOWN_LARGE:
case TRACK_ELEM_LEFT_QUARTER_BANKED_HELIX_LARGE_UP:
case TRACK_ELEM_LEFT_QUARTER_BANKED_HELIX_LARGE_DOWN:
vertFactor = 200;
lateralFactor = 160;
//6d75E1
break;
case TRACK_ELEM_BANKED_RIGHT_QUARTER_TURN_5_TILES:
case TRACK_ELEM_RIGHT_HALF_BANKED_HELIX_UP_LARGE:
case TRACK_ELEM_RIGHT_HALF_BANKED_HELIX_DOWN_LARGE:
case TRACK_ELEM_RIGHT_QUARTER_BANKED_HELIX_LARGE_UP:
case TRACK_ELEM_RIGHT_QUARTER_BANKED_HELIX_LARGE_DOWN:
vertFactor = 200;
lateralFactor = -160;
//6d75F0
break;
case TRACK_ELEM_S_BEND_LEFT:
case TRACK_ELEM_S_BEND_LEFT_COVERED:
lateralFactor = (vehicle->track_progress < 48) ? 98 : -98;
//6d75FF
break;
case TRACK_ELEM_S_BEND_RIGHT:
case TRACK_ELEM_S_BEND_RIGHT_COVERED:
lateralFactor = (vehicle->track_progress < 48) ? -98 : 98;
//6d7608
break;
case TRACK_ELEM_LEFT_VERTICAL_LOOP:
case TRACK_ELEM_RIGHT_VERTICAL_LOOP:
vertFactor = (abs(vehicle->track_progress - 155) / 2) + 28;
//6d7690
break;
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES:
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_25_DEG_UP:
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_25_DEG_DOWN:
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_COVERED:
case TRACK_ELEM_LEFT_CURVED_LIFT_HILL:
lateralFactor = 59;
//6d7704
break;
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES:
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_25_DEG_UP:
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_25_DEG_DOWN:
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_COVERED:
case TRACK_ELEM_RIGHT_CURVED_LIFT_HILL:
lateralFactor = -59;
//6d7710
break;
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_BANK:
case TRACK_ELEM_LEFT_HALF_BANKED_HELIX_UP_SMALL:
case TRACK_ELEM_LEFT_HALF_BANKED_HELIX_DOWN_SMALL:
vertFactor = 100;
lateralFactor = 100;
//6d7782
break;
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_BANK:
case TRACK_ELEM_RIGHT_HALF_BANKED_HELIX_UP_SMALL:
case TRACK_ELEM_RIGHT_HALF_BANKED_HELIX_DOWN_SMALL:
vertFactor = 100;
lateralFactor = -100;
//6d778E
break;
case TRACK_ELEM_LEFT_QUARTER_TURN_1_TILE:
lateralFactor = 45;
//6d779A
break;
case TRACK_ELEM_RIGHT_QUARTER_TURN_1_TILE:
lateralFactor = -45;
//6d77A3
break;
case TRACK_ELEM_HALF_LOOP_UP:
case TRACK_ELEM_FLYER_HALF_LOOP_UP:
vertFactor = (((uint16)(-(vehicle->track_progress - 155))) / 2) + 28;
//6d763E
break;
case TRACK_ELEM_HALF_LOOP_DOWN:
case TRACK_ELEM_FLYER_HALF_LOOP_DOWN:
vertFactor = (vehicle->track_progress / 2) + 28;
//6d7656
break;
case TRACK_ELEM_LEFT_CORKSCREW_UP:
case TRACK_ELEM_RIGHT_CORKSCREW_DOWN:
case TRACK_ELEM_LEFT_FLYER_CORKSCREW_UP:
case TRACK_ELEM_RIGHT_FLYER_CORKSCREW_DOWN:
vertFactor = 52;
lateralFactor = 70;
//6d76AA
break;
case TRACK_ELEM_RIGHT_CORKSCREW_UP:
case TRACK_ELEM_LEFT_CORKSCREW_DOWN:
case TRACK_ELEM_RIGHT_FLYER_CORKSCREW_UP:
case TRACK_ELEM_LEFT_FLYER_CORKSCREW_DOWN:
vertFactor = 52;
lateralFactor = -70;
//6d76B9
break;
case TRACK_ELEM_FLAT_TO_60_DEG_UP:
case TRACK_ELEM_60_DEG_DOWN_TO_FLAT:
vertFactor = 56;
//6d747C
break;
case TRACK_ELEM_60_DEG_UP_TO_FLAT:
case TRACK_ELEM_FLAT_TO_60_DEG_DOWN:
case TRACK_ELEM_BRAKE_FOR_DROP:
vertFactor = -56;
//6d7488
break;
case TRACK_ELEM_LEFT_QUARTER_TURN_1_TILE_60_DEG_UP:
case TRACK_ELEM_LEFT_QUARTER_TURN_1_TILE_60_DEG_DOWN:
lateralFactor = 88;
//6d7770
break;
case TRACK_ELEM_RIGHT_QUARTER_TURN_1_TILE_60_DEG_UP:
case TRACK_ELEM_RIGHT_QUARTER_TURN_1_TILE_60_DEG_DOWN:
lateralFactor = -88;
//6d7779
break;
case TRACK_ELEM_WATER_SPLASH:
vertFactor = -150;
if (vehicle->track_progress < 32)
break;
vertFactor = 150;
if (vehicle->track_progress < 64)
break;
vertFactor = 0;
if (vehicle->track_progress < 96)
break;
vertFactor = 150;
if (vehicle->track_progress < 128)
break;
vertFactor = -150;
//6d7408
break;
case TRACK_ELEM_FLAT_TO_60_DEG_UP_LONG_BASE:
case TRACK_ELEM_FLAT_TO_60_DEG_DOWN_LONG_BASE:
vertFactor = 160;
//6d74F1
break;
case TRACK_ELEM_60_DEG_UP_TO_FLAT_LONG_BASE:
case TRACK_ELEM_60_DEG_UP_TO_FLAT_LONG_BASE_122:
vertFactor = -160;
//6d74FD
break;
case TRACK_ELEM_REVERSE_WHOA_BELLY_SLOPE:
case TRACK_ELEM_AIR_THRUST_VERTICAL_DOWN_TO_LEVEL:
vertFactor = 120;
//6d7458
break;
case TRACK_ELEM_60_DEG_UP_TO_90_DEG_UP:
case TRACK_ELEM_90_DEG_DOWN_TO_60_DEG_DOWN:
vertFactor = 110;
//6d7515
break;
case TRACK_ELEM_90_DEG_UP_TO_60_DEG_UP:
case TRACK_ELEM_60_DEG_DOWN_TO_90_DEG_DOWN:
vertFactor = -110;
//6d7521
break;
case TRACK_ELEM_LEFT_EIGHTH_TO_DIAG:
case TRACK_ELEM_LEFT_EIGHTH_TO_ORTHOGONAL:
lateralFactor = 137;
//6d7575
break;
case TRACK_ELEM_RIGHT_EIGHTH_TO_DIAG:
case TRACK_ELEM_RIGHT_EIGHTH_TO_ORTHOGONAL:
lateralFactor = -137;
//6d759C
break;
case TRACK_ELEM_LEFT_EIGHTH_BANK_TO_DIAG:
case TRACK_ELEM_LEFT_EIGHTH_BANK_TO_ORTHOGONAL:
vertFactor = 270;
lateralFactor = 200;
//6d75C3
break;
case TRACK_ELEM_RIGHT_EIGHTH_BANK_TO_DIAG:
case TRACK_ELEM_RIGHT_EIGHTH_BANK_TO_ORTHOGONAL:
vertFactor = 270;
lateralFactor = -200;
//6d75D2
break;
case TRACK_ELEM_DIAG_FLAT_TO_25_DEG_UP:
case TRACK_ELEM_DIAG_25_DEG_DOWN_TO_FLAT:
case TRACK_ELEM_DIAG_LEFT_BANK_TO_25_DEG_UP:
case TRACK_ELEM_DIAG_RIGHT_BANK_TO_25_DEG_UP:
case TRACK_ELEM_DIAG_25_DEG_DOWN_TO_LEFT_BANK:
case TRACK_ELEM_DIAG_25_DEG_DOWN_TO_RIGHT_BANK:
vertFactor = 113;
//6d7494
break;
case TRACK_ELEM_DIAG_25_DEG_UP_TO_FLAT:
case TRACK_ELEM_DIAG_FLAT_TO_25_DEG_DOWN:
case TRACK_ELEM_DIAG_25_DEG_UP_TO_LEFT_BANK:
case TRACK_ELEM_DIAG_25_DEG_UP_TO_RIGHT_BANK:
case TRACK_ELEM_DIAG_LEFT_BANK_TO_25_DEG_DOWN:
case TRACK_ELEM_DIAG_RIGHT_BANK_TO_25_DEG_DOWN:
vertFactor = -113;
//6d755D
break;
case TRACK_ELEM_DIAG_25_DEG_UP_TO_60_DEG_UP:
case TRACK_ELEM_DIAG_60_DEG_DOWN_TO_25_DEG_DOWN:
vertFactor = 95;
//6D752D
break;
case TRACK_ELEM_DIAG_60_DEG_UP_TO_25_DEG_UP:
case TRACK_ELEM_DIAG_25_DEG_DOWN_TO_60_DEG_DOWN:
vertFactor = -95;
//6D7539
break;
case TRACK_ELEM_DIAG_FLAT_TO_60_DEG_UP:
case TRACK_ELEM_DIAG_60_DEG_DOWN_TO_FLAT:
vertFactor = 60;
//6D7464
break;
case TRACK_ELEM_DIAG_60_DEG_UP_TO_FLAT:
case TRACK_ELEM_DIAG_FLAT_TO_60_DEG_DOWN:
vertFactor = -60;
//6d7470
break;
case TRACK_ELEM_LEFT_BARREL_ROLL_UP_TO_DOWN:
case TRACK_ELEM_LEFT_BARREL_ROLL_DOWN_TO_UP:
vertFactor = 170;
lateralFactor = 115;
//6d7581
break;
case TRACK_ELEM_RIGHT_BARREL_ROLL_UP_TO_DOWN:
case TRACK_ELEM_RIGHT_BARREL_ROLL_DOWN_TO_UP:
vertFactor = 170;
lateralFactor = -115;
//6d75A8
break;
case TRACK_ELEM_LEFT_BANK_TO_LEFT_QUARTER_TURN_3_TILES_25_DEG_UP:
vertFactor = -(vehicle->track_progress / 2) + 134;
lateralFactor = 90;
//6d771C
break;
case TRACK_ELEM_RIGHT_BANK_TO_RIGHT_QUARTER_TURN_3_TILES_25_DEG_UP:
vertFactor = -(vehicle->track_progress / 2) + 134;
lateralFactor = -90;
//6D7746
break;
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_25_DEG_DOWN_TO_LEFT_BANK:
vertFactor = -(vehicle->track_progress / 2) + 134;
lateralFactor = 90;
//6D7731 identical to 6d771c
break;
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_25_DEG_DOWN_TO_RIGHT_BANK:
vertFactor = -(vehicle->track_progress / 2) + 134;
lateralFactor = -90;
//6D775B identical to 6d7746
break;
case TRACK_ELEM_LEFT_LARGE_HALF_LOOP_UP:
case TRACK_ELEM_RIGHT_LARGE_HALF_LOOP_UP:
vertFactor = (((uint16)(-(vehicle->track_progress - 311))) / 4) + 46;
//6d7666
break;
case TRACK_ELEM_RIGHT_LARGE_HALF_LOOP_DOWN:
case TRACK_ELEM_LEFT_LARGE_HALF_LOOP_DOWN:
vertFactor = (vehicle->track_progress / 4) + 46;
//6d767F
break;
case TRACK_ELEM_HEARTLINE_TRANSFER_UP:
vertFactor = 103;
if (vehicle->track_progress < 32)
break;
vertFactor = -103;
if (vehicle->track_progress < 64)
break;
vertFactor = 0;
if (vehicle->track_progress < 96)
break;
vertFactor = 103;
if (vehicle->track_progress < 128)
break;
vertFactor = -103;
//6d74A0
break;
case TRACK_ELEM_HEARTLINE_TRANSFER_DOWN:
vertFactor = -103;
if (vehicle->track_progress < 32)
break;
vertFactor = 103;
if (vehicle->track_progress < 64)
break;
vertFactor = 0;
if (vehicle->track_progress < 96)
break;
vertFactor = -103;
if (vehicle->track_progress < 128)
break;
vertFactor = 103;
//6D74CA
break;
case TRACK_ELEM_MULTIDIM_INVERTED_FLAT_TO_90_DEG_QUARTER_LOOP_DOWN:
case TRACK_ELEM_INVERTED_FLAT_TO_90_DEG_QUARTER_LOOP_DOWN:
case TRACK_ELEM_MULTIDIM_FLAT_TO_90_DEG_DOWN_QUARTER_LOOP:
vertFactor = (vehicle->track_progress / 4) + 55;
//6d762D
break;
case TRACK_ELEM_90_DEG_TO_INVERTED_FLAT_QUARTER_LOOP_UP:
case TRACK_ELEM_MULTIDIM_90_DEG_UP_TO_INVERTED_FLAT_QUARTER_LOOP:
case 255:
vertFactor = (((uint16)(-(vehicle->track_progress - 137))) / 4) + 55;
//6D7614
break;
case TRACK_ELEM_AIR_THRUST_TOP_CAP:
vertFactor = -60;
//6D744C
break;
case TRACK_ELEM_LEFT_BANKED_QUARTER_TURN_3_TILE_25_DEG_UP:
case TRACK_ELEM_LEFT_BANKED_QUARTER_TURN_3_TILE_25_DEG_DOWN:
vertFactor = 200;
lateralFactor = 100;
//6d76C8
break;
case TRACK_ELEM_RIGHT_BANKED_QUARTER_TURN_3_TILE_25_DEG_UP:
case TRACK_ELEM_RIGHT_BANKED_QUARTER_TURN_3_TILE_25_DEG_DOWN:
vertFactor = 200;
lateralFactor = -100;
//6d76d7
break;
case TRACK_ELEM_LEFT_BANKED_QUARTER_TURN_5_TILE_25_DEG_UP:
case TRACK_ELEM_LEFT_BANKED_QUARTER_TURN_5_TILE_25_DEG_DOWN:
vertFactor = 200;
lateralFactor = 160;
//6D76E6
break;
case TRACK_ELEM_RIGHT_BANKED_QUARTER_TURN_5_TILE_25_DEG_UP:
case TRACK_ELEM_RIGHT_BANKED_QUARTER_TURN_5_TILE_25_DEG_DOWN:
vertFactor = 200;
lateralFactor = -160;
//6d76F5
break;
}
int gForceLateral = 0;
if (vertFactor != 0) {
gForceVert += abs(vehicle->velocity) * 98 / vertFactor;
}
if (lateralFactor != 0) {
gForceLateral += abs(vehicle->velocity) * 98 / lateralFactor;
}
gForceVert *= 10;
gForceLateral *= 10;
gForceVert >>= 16;
gForceLateral >>= 16;
if (verticalG != NULL) *verticalG = (sint16)(gForceVert & 0xFFFF);
if (lateralG != NULL) *lateralG = (sint16)(gForceLateral & 0xFFFF);
}
void vehicle_set_map_toolbar(rct_vehicle *vehicle)
{
rct_ride *ride;
int vehicleIndex;
ride = get_ride(vehicle->ride);
while (vehicle->is_child) {
vehicle = GET_VEHICLE(vehicle->prev_vehicle_on_ride);
}
for (vehicleIndex = 0; vehicleIndex < 32; vehicleIndex++)
if (ride->vehicles[vehicleIndex] == vehicle->sprite_index)
break;
set_map_tooltip_format_arg(0, rct_string_id, STR_RIDE_MAP_TIP);
set_map_tooltip_format_arg(2, rct_string_id, STR_MAP_TOOLTIP_STRINGID_STRINGID);
set_map_tooltip_format_arg(4, rct_string_id, ride->name);
set_map_tooltip_format_arg(6, uint32, ride->name_arguments);
set_map_tooltip_format_arg(10, rct_string_id, RideComponentNames[RideNameConvention[ride->type].vehicle].capitalised);
set_map_tooltip_format_arg(12, uint16, vehicleIndex + 1);
rct_string_id formatSecondary;
int arg1;
ride_get_status(vehicle->ride, &formatSecondary, &arg1);
set_map_tooltip_format_arg(14, rct_string_id, formatSecondary);
// TODO: odd cast
set_map_tooltip_format_arg(16, uint32, (uint16)arg1);
}
rct_vehicle *vehicle_get_head(rct_vehicle *vehicle)
{
rct_vehicle *prevVehicle;
for (;;) {
prevVehicle = GET_VEHICLE(vehicle->prev_vehicle_on_ride);
if (prevVehicle->next_vehicle_on_train == SPRITE_INDEX_NULL)
break;
vehicle = prevVehicle;
}
return vehicle;
}
rct_vehicle *vehicle_get_tail(rct_vehicle *vehicle)
{
uint16 spriteIndex;
while ((spriteIndex = vehicle->next_vehicle_on_train) != SPRITE_INDEX_NULL) {
vehicle = GET_VEHICLE(spriteIndex);
}
return vehicle;
}
int vehicle_is_used_in_pairs(rct_vehicle *vehicle)
{
return vehicle->num_seats & VEHICLE_SEAT_PAIR_FLAG;
}
/**
*
* rct2: 0x006DA44E
*/
static int vehicle_update_motion_bumper_car(rct_vehicle* vehicle) {
_vehicleMotionTrackFlags = 0;
rct_ride* ride = get_ride(vehicle->ride);
sint32 nextVelocity = vehicle->velocity + vehicle->acceleration;
if (ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN) &&
ride->breakdown_reason_pending == BREAKDOWN_SAFETY_CUT_OUT) {
nextVelocity = 0;
}
vehicle->velocity = nextVelocity;
_vehicleVelocityF64E08 = nextVelocity;
_vehicleVelocityF64E0C = (nextVelocity / 1024) * 42;
_vehicleUnkF64E10 = 1;
vehicle->acceleration = 0;
if (!(ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN)) ||
ride->breakdown_reason_pending != BREAKDOWN_SAFETY_CUT_OUT) {
if (gCurrentTicks & 1 &&
vehicle->var_34 != 0) {
if (vehicle->var_34 > 0) {
vehicle->var_34--;
vehicle->sprite_direction += 2;
}
else {
vehicle->var_34++;
vehicle->sprite_direction -= 2;
}
vehicle->sprite_direction &= 0x1E;
vehicle_invalidate(vehicle);
}
else if ((scenario_rand() & 0xFFFF) <= 2849) {
if (vehicle->var_35 & (1 << 6))
vehicle->sprite_direction -= 2;
else
vehicle->sprite_direction += 2;
vehicle->sprite_direction &= 0x1E;
vehicle_invalidate(vehicle);
}
}
uint16 collideSprite = 0xFFFF;
if (vehicle->var_C4 != 0) {
uint8 oldC4 = vehicle->var_C4 & 0x1E;
vehicle->var_C4 = 0;
rct_xyz16 location = {
.x = vehicle->x,
.y = vehicle->y,
.z = vehicle->z
};
location.x += Unk9A36C4[oldC4].x;
location.y += Unk9A36C4[oldC4].y;
location.x += Unk9A36C4[oldC4 + 1].x;
location.y += Unk9A36C4[oldC4 + 1].y;
if (!vehicle_update_bumper_car_collision(vehicle, location.x, location.y, &collideSprite)) {
vehicle_invalidate(vehicle);
sprite_move(
location.x,
location.y,
location.z,
(rct_sprite*)vehicle
);
vehicle_invalidate(vehicle);
}
}
vehicle->remaining_distance += _vehicleVelocityF64E0C;
if (vehicle->remaining_distance >= 13962) {
vehicle->var_B8 &= ~(1 << 1);
unk_F64E20.x = vehicle->x;
unk_F64E20.y = vehicle->y;
unk_F64E20.z = vehicle->z;
vehicle_invalidate(vehicle);
while (1) {
vehicle->var_35++;
uint8 direction = vehicle->sprite_direction;
direction |= vehicle->var_35 & 1;
rct_xyz16 location = unk_F64E20;
location.x += Unk9A36C4[direction].x;
location.y += Unk9A36C4[direction].y;
if (vehicle_update_bumper_car_collision(vehicle, location.x, location.y, &collideSprite))
break;
vehicle->remaining_distance -= Unk9A36C4[direction].distance;
unk_F64E20.x = location.x;
unk_F64E20.y = location.y;
if (vehicle->remaining_distance < 13962) {
break;
}
_vehicleUnkF64E10++;
}
if (vehicle->remaining_distance >= 13962) {
sint32 oldVelocity = vehicle->velocity;
vehicle->remaining_distance = 0;
vehicle->velocity = 0;
uint8 direction = vehicle->sprite_direction | 1;
if (collideSprite != 0xFFFF) {
vehicle->var_34 = scenario_rand() & 1 ? 1 : -1;
if (oldVelocity >= 131072) {
rct_vehicle* collideVehicle = GET_VEHICLE(collideSprite);
collideVehicle->var_C4 = direction;
vehicle->var_C4 = direction ^ (1 << 4);
}
}
else {
vehicle->var_34 = scenario_rand() & 1 ? 6 : -6;
if (oldVelocity >= 131072) {
vehicle->var_C4 = direction ^ (1 << 4);
}
}
}
sprite_move(
unk_F64E20.x,
unk_F64E20.y,
unk_F64E20.z,
(rct_sprite*)vehicle
);
vehicle_invalidate(vehicle);
}
sint32 eax = vehicle->velocity / 2;
sint32 edx = vehicle->velocity >> 8;
edx *= edx;
if (vehicle->velocity < 0)
edx = -edx;
edx >>= 5;
eax += edx;
eax /= vehicle->friction;
rct_ride_entry* rideEntry = get_ride_entry(vehicle->ride_subtype);
rct_ride_entry_vehicle* vehicleEntry = &rideEntry->vehicles[vehicle->vehicle_type];
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_3)) {
vehicle->acceleration = -eax;
return _vehicleMotionTrackFlags;
}
sint32 ebx = (vehicle->speed * vehicle->friction) >> 2;
sint32 _eax = vehicle->speed << 14;
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_3) {
_eax = -_eax;
}
_eax -= vehicle->velocity;
_eax *= vehicle->powered_acceleration * 2;
_eax /= ebx;
vehicle->acceleration = _eax - eax;
return _vehicleMotionTrackFlags;
}
/**
*
* rct2: 0x006DD365
*/
bool vehicle_update_bumper_car_collision(rct_vehicle *vehicle, sint16 x, sint16 y, uint16 *spriteId)
{
uint16 bp = (vehicle->var_44 * 30) >> 9;
uint32 trackType = vehicle->track_type >> 2;
sint16 rideLeft = vehicle->track_x + DodgemsTrackSize[trackType].left;
sint16 rideRight = vehicle->track_x + DodgemsTrackSize[trackType].right;
sint16 rideTop = vehicle->track_y + DodgemsTrackSize[trackType].top;
sint16 rideBottom = vehicle->track_y + DodgemsTrackSize[trackType].bottom;
if (x - bp < rideLeft ||
y - bp < rideTop ||
x + bp > rideRight ||
y + bp > rideBottom) {
if (spriteId != NULL)
*spriteId = 0xFFFF;
return true;
}
rct_xy8 location = {.x = (x / 32), .y = (y / 32)};
uint8 rideIndex = vehicle->ride;
for (int i = 0; i < countof(Unk9A37C4); i++) {
location.x += Unk9A37C4[i].x;
location.y += Unk9A37C4[i].y;
uint16 spriteIdx = sprite_get_first_in_quadrant(location.x * 32, location.y * 32);
while (spriteIdx != 0xFFFF) {
rct_vehicle* vehicle2 = GET_VEHICLE(spriteIdx);
spriteIdx = vehicle2->next_in_quadrant;
if (vehicle2 == vehicle)
continue;
if (vehicle2->sprite_identifier != SPRITE_IDENTIFIER_VEHICLE)
continue;
if (vehicle2->ride != rideIndex)
continue;
int distX = abs(x - vehicle2->x);
if (distX > 32768)
continue;
int distY = abs(y - vehicle2->y);
if (distY > 32768)
continue;
int ecx = (vehicle->var_44 + vehicle2->var_44) / 2;
ecx *= 30;
ecx >>= 8;
if (max(distX, distY) < ecx) {
if (spriteId != NULL)
*spriteId = vehicle2->sprite_index;
return true;
}
}
}
return false;
}
/**
*
* rct2: 0x006DAB90
*/
static void vehicle_update_track_motion_up_stop_check(rct_vehicle *vehicle)
{
rct_ride_entry_vehicle *vehicleEntry = vehicle_get_vehicle_entry(vehicle);
int verticalG, lateralG;
// No up stops (coaster types)
if (vehicleEntry->flags_a & VEHICLE_ENTRY_FLAG_A_1) {
int trackType = vehicle->track_type >> 2;
if (!track_element_is_covered(trackType)) {
vehicle_get_g_forces(vehicle, &verticalG, &lateralG);
lateralG = abs(lateralG);
if (lateralG <= 150) {
if (dword_9A2970[vehicle->vehicle_sprite_type] < 0) {
if (verticalG > -40) {
return;
}
} else if (verticalG > -80) {
return;
}
}
if (vehicle->vehicle_sprite_type != 8) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_DERAILED;
}
}
} else if (vehicleEntry->flags_a & VEHICLE_ENTRY_FLAG_A_2) {
// No up stops bobsleigh type
int trackType = vehicle->track_type >> 2;
if (!track_element_is_covered(trackType)) {
vehicle_get_g_forces(vehicle, &verticalG, &lateralG);
if (dword_9A2970[vehicle->vehicle_sprite_type] < 0) {
if (verticalG > -45) {
return;
}
} else {
if (verticalG > -80) {
return;
}
}
if (vehicle->vehicle_sprite_type != 8 && vehicle->vehicle_sprite_type != 55) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_DERAILED;
}
}
}
}
/**
* Modifies the train's velocity to match the block-brake fixed velocity.
* This function must be called when the car is running through a non-stopping
* state block-brake (precondition), which means that the block brake is acting
* merely as a velocity regulator, in a closed state. When the brake is open, it
* boosts the train to the speed limit
*/
static void apply_non_stop_block_brake(rct_vehicle *vehicle, bool block_brake_closed) {
if (vehicle->velocity >= 0) {
// If the vehicle is below the speed limit
if (vehicle->velocity <= 0x20364) {
// Boost it to the fixed block brake speed
vehicle->velocity = 0x20364;
vehicle->acceleration = 0;
} else if(block_brake_closed){
// Slow it down till the fixed block brake speed
vehicle->velocity -= vehicle->velocity >> 4;
vehicle->acceleration = 0;
}
}
}
/**
*
* Modifies the train's velocity influenced by a block brake
*/
static void apply_block_brakes(rct_vehicle *vehicle, bool is_block_brake_closed)
{
// If the site is in a "train blocking" state
if (is_block_brake_closed) {
// Slow it down till completely stop the car
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_10;
vehicle->acceleration = 0;
// If the vehicle is slow enough, stop it. If not, slow it down
if (vehicle->velocity <= 0x20000) {
vehicle->velocity = 0;
} else {
vehicle->velocity -= vehicle->velocity >> 3;
}
} else {
#ifdef NEW_BLOCK_BRAKES
apply_non_stop_block_brake(vehicle, false);
#else
apply_non_stop_block_brake(vehicle, true);
#endif
}
}
/**
*
* rct2: 0x006DAC43
*/
static void check_and_apply_block_section_stop_site(rct_vehicle *vehicle)
{
rct_ride *ride = get_ride(vehicle->ride);
rct_ride_entry_vehicle *vehicleEntry = vehicle_get_vehicle_entry(vehicle);
// Is chair lift type
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_12) {
sint32 velocity = ride->speed << 16;
if (_vehicleBreakdown == 0) {
velocity = 0;
}
vehicle->velocity = velocity;
vehicle->acceleration = 0;
}
int trackType = vehicle->track_type >> 2;
rct_map_element *trackElement = map_get_track_element_at_of_type(
vehicle->track_x,
vehicle->track_y,
vehicle->track_z >> 3,
trackType
);
if (trackElement == NULL) {
return;
}
switch (trackType) {
case TRACK_ELEM_BLOCK_BRAKES:
if (ride_is_block_sectioned(ride))
apply_block_brakes(vehicle, trackElement->flags & MAP_ELEMENT_FLAG_BLOCK_BRAKE_CLOSED);
else
apply_non_stop_block_brake(vehicle, true);
break;
case TRACK_ELEM_END_STATION:
if (trackElement->flags & MAP_ELEMENT_FLAG_BLOCK_BRAKE_CLOSED)
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_10;
break;
case TRACK_ELEM_25_DEG_UP_TO_FLAT:
case TRACK_ELEM_60_DEG_UP_TO_FLAT:
case TRACK_ELEM_CABLE_LIFT_HILL:
case TRACK_ELEM_DIAG_25_DEG_UP_TO_FLAT:
case TRACK_ELEM_DIAG_60_DEG_UP_TO_FLAT:
if(ride_is_block_sectioned(ride)){
if(trackType == TRACK_ELEM_CABLE_LIFT_HILL || track_element_is_lift_hill(trackElement)) {
if (trackElement->flags & MAP_ELEMENT_FLAG_BLOCK_BRAKE_CLOSED) {
apply_block_brakes(vehicle, true);
}
}
}
break;
}
}
/**
*
* rct2: 0x006DADAE
*/
static void update_velocity(rct_vehicle *vehicle)
{
sint32 nextVelocity = vehicle->acceleration + vehicle->velocity;
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_7) {
nextVelocity = 0;
}
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_ON_BREAK_FOR_DROP) {
vehicle->vertical_drop_countdown--;
if (vehicle->vertical_drop_countdown == -70) {
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_ON_BREAK_FOR_DROP;
}
if (vehicle->vertical_drop_countdown >= 0) {
nextVelocity = 0;
vehicle->acceleration = 0;
}
}
vehicle->velocity = nextVelocity;
_vehicleVelocityF64E08 = nextVelocity;
_vehicleVelocityF64E0C = (nextVelocity >> 10) * 42;
}
static void vehicle_update_block_breaks_open_previous_section(rct_vehicle *vehicle, rct_map_element *mapElement)
{
int x = vehicle->track_x;
int y = vehicle->track_y;
int z = vehicle->track_z;
track_begin_end trackBeginEnd, slowTrackBeginEnd;
rct_map_element slowMapElement = *mapElement;
bool counter = true;
int slowX = x;
int slowY = y;
do {
if (!track_block_get_previous(x, y, mapElement, &trackBeginEnd)) {
return;
}
if (trackBeginEnd.begin_x == vehicle->track_x &&
trackBeginEnd.begin_y == vehicle->track_y &&
mapElement == trackBeginEnd.begin_element) {
return;
}
x = trackBeginEnd.end_x;
y = trackBeginEnd.end_y;
z = trackBeginEnd.begin_z;
mapElement = trackBeginEnd.begin_element;
//#2081: prevent infinite loop
counter = !counter;
if (counter) {
track_block_get_previous(slowX, slowY, &slowMapElement, &slowTrackBeginEnd);
slowX = slowTrackBeginEnd.end_x;
slowY = slowTrackBeginEnd.end_y;
slowMapElement = *(slowTrackBeginEnd.begin_element);
if (slowX == x &&
slowY == y &&
slowMapElement.base_height == mapElement->base_height &&
slowMapElement.type == mapElement->type ) {
return;
}
}
} while (!track_element_is_block_start(trackBeginEnd.begin_element));
// Get the start of the track block instead of the end
x = trackBeginEnd.begin_x;
y = trackBeginEnd.begin_y;
z = trackBeginEnd.begin_z;
mapElement = map_get_track_element_at(x, y, z >> 3);
if (mapElement == NULL) {
return;
}
mapElement->flags &= ~MAP_ELEMENT_FLAG_BLOCK_BRAKE_CLOSED;
map_invalidate_element(x, y, mapElement);
int trackType = mapElement->properties.track.type;
if (trackType == TRACK_ELEM_BLOCK_BRAKES || trackType == TRACK_ELEM_END_STATION) {
rct_ride *ride = get_ride(vehicle->ride);
if (ride_is_block_sectioned(ride)) {
audio_play_sound_at_location(SOUND_48, x, y, z);
}
}
}
static int vehicle_get_swing_amount(rct_vehicle *vehicle)
{
int trackType = vehicle->track_type >> 2;
switch (trackType) {
case TRACK_ELEM_LEFT_QUARTER_TURN_5_TILES:
case TRACK_ELEM_BANKED_LEFT_QUARTER_TURN_5_TILES:
case TRACK_ELEM_LEFT_QUARTER_TURN_5_TILES_25_DEG_UP:
case TRACK_ELEM_LEFT_QUARTER_TURN_5_TILES_25_DEG_DOWN:
case TRACK_ELEM_LEFT_QUARTER_TURN_5_TILES_COVERED:
case TRACK_ELEM_LEFT_HALF_BANKED_HELIX_UP_LARGE:
case TRACK_ELEM_LEFT_HALF_BANKED_HELIX_DOWN_LARGE:
case TRACK_ELEM_LEFT_QUARTER_BANKED_HELIX_LARGE_UP:
case TRACK_ELEM_LEFT_QUARTER_BANKED_HELIX_LARGE_DOWN:
case TRACK_ELEM_LEFT_QUARTER_HELIX_LARGE_UP:
case TRACK_ELEM_LEFT_QUARTER_HELIX_LARGE_DOWN:
case TRACK_ELEM_LEFT_BANKED_QUARTER_TURN_5_TILE_25_DEG_UP:
case TRACK_ELEM_LEFT_BANKED_QUARTER_TURN_5_TILE_25_DEG_DOWN:
// loc_6D67E1
return 14;
case TRACK_ELEM_RIGHT_QUARTER_TURN_5_TILES:
case TRACK_ELEM_BANKED_RIGHT_QUARTER_TURN_5_TILES:
case TRACK_ELEM_RIGHT_QUARTER_TURN_5_TILES_25_DEG_UP:
case TRACK_ELEM_RIGHT_QUARTER_TURN_5_TILES_25_DEG_DOWN:
case TRACK_ELEM_RIGHT_QUARTER_TURN_5_TILES_COVERED:
case TRACK_ELEM_RIGHT_HALF_BANKED_HELIX_UP_LARGE:
case TRACK_ELEM_RIGHT_HALF_BANKED_HELIX_DOWN_LARGE:
case TRACK_ELEM_RIGHT_QUARTER_BANKED_HELIX_LARGE_UP:
case TRACK_ELEM_RIGHT_QUARTER_BANKED_HELIX_LARGE_DOWN:
case TRACK_ELEM_RIGHT_QUARTER_HELIX_LARGE_UP:
case TRACK_ELEM_RIGHT_QUARTER_HELIX_LARGE_DOWN:
case TRACK_ELEM_RIGHT_BANKED_QUARTER_TURN_5_TILE_25_DEG_UP:
case TRACK_ELEM_RIGHT_BANKED_QUARTER_TURN_5_TILE_25_DEG_DOWN:
// loc_6D6804
return -14;
case TRACK_ELEM_S_BEND_LEFT:
case TRACK_ELEM_S_BEND_LEFT_COVERED:
// loc_6D67EF
if (vehicle->track_progress < 48) {
return 14;
} else {
return -15;
}
case TRACK_ELEM_S_BEND_RIGHT:
case TRACK_ELEM_S_BEND_RIGHT_COVERED:
// loc_6D67CC
if (vehicle->track_progress < 48) {
return -14;
} else {
return 15;
}
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES:
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_BANK:
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_25_DEG_UP:
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_25_DEG_DOWN:
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_COVERED:
case TRACK_ELEM_LEFT_HALF_BANKED_HELIX_UP_SMALL:
case TRACK_ELEM_LEFT_HALF_BANKED_HELIX_DOWN_SMALL:
case TRACK_ELEM_LEFT_BANK_TO_LEFT_QUARTER_TURN_3_TILES_25_DEG_UP:
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_25_DEG_DOWN_TO_LEFT_BANK:
case TRACK_ELEM_LEFT_CURVED_LIFT_HILL:
case TRACK_ELEM_LEFT_BANKED_QUARTER_TURN_3_TILE_25_DEG_UP:
case TRACK_ELEM_LEFT_BANKED_QUARTER_TURN_3_TILE_25_DEG_DOWN:
// loc_6D67BE
return 13;
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES:
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_BANK:
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_25_DEG_UP:
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_25_DEG_DOWN:
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_COVERED:
case TRACK_ELEM_RIGHT_HALF_BANKED_HELIX_UP_SMALL:
case TRACK_ELEM_RIGHT_HALF_BANKED_HELIX_DOWN_SMALL:
case TRACK_ELEM_RIGHT_BANK_TO_RIGHT_QUARTER_TURN_3_TILES_25_DEG_UP:
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_25_DEG_DOWN_TO_RIGHT_BANK:
case TRACK_ELEM_RIGHT_CURVED_LIFT_HILL:
case TRACK_ELEM_RIGHT_BANKED_QUARTER_TURN_3_TILE_25_DEG_UP:
case TRACK_ELEM_RIGHT_BANKED_QUARTER_TURN_3_TILE_25_DEG_DOWN:
// loc_6D67B0
return -13;
case TRACK_ELEM_LEFT_QUARTER_TURN_1_TILE:
case TRACK_ELEM_LEFT_QUARTER_TURN_1_TILE_60_DEG_UP:
case TRACK_ELEM_LEFT_QUARTER_TURN_1_TILE_60_DEG_DOWN:
// loc_6D67A2
return 12;
case TRACK_ELEM_RIGHT_QUARTER_TURN_1_TILE:
case TRACK_ELEM_RIGHT_QUARTER_TURN_1_TILE_60_DEG_UP:
case TRACK_ELEM_RIGHT_QUARTER_TURN_1_TILE_60_DEG_DOWN:
// loc_6D6794
return -12;
case TRACK_ELEM_LEFT_EIGHTH_TO_DIAG:
case TRACK_ELEM_LEFT_EIGHTH_TO_ORTHOGONAL:
case TRACK_ELEM_LEFT_EIGHTH_BANK_TO_DIAG:
case TRACK_ELEM_LEFT_EIGHTH_BANK_TO_ORTHOGONAL:
// loc_6D67D3
return 15;
case TRACK_ELEM_RIGHT_EIGHTH_TO_DIAG:
case TRACK_ELEM_RIGHT_EIGHTH_TO_ORTHOGONAL:
case TRACK_ELEM_RIGHT_EIGHTH_BANK_TO_DIAG:
case TRACK_ELEM_RIGHT_EIGHTH_BANK_TO_ORTHOGONAL:
// loc_6D67F6
return -15;
}
return 0;
}
/**
*
* rct2: 0x006D6776
*/
static void vehicle_update_swinging_car(rct_vehicle *vehicle)
{
sint32 dword_F64E08 = _vehicleVelocityF64E08;
vehicle->var_4E += (-vehicle->swinging_car_var_0) >> 6;
int swingAmount = vehicle_get_swing_amount(vehicle);
if (swingAmount < 0) {
vehicle->var_4E -= dword_F64E08 >> (-swingAmount);
}
else if (swingAmount > 0){
vehicle->var_4E += dword_F64E08 >> swingAmount;
}
rct_ride_entry_vehicle *vehicleEntry = vehicle_get_vehicle_entry(vehicle);
sint16 dx = 3185;
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_5) {
dx = 5006;
}
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_9) {
dx = 1820;
}
sint16 cx = -dx;
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_11) {
dx = 5370;
cx = -5370;
int trackType = vehicle->track_type >> 2;
switch (trackType) {
case TRACK_ELEM_BANKED_LEFT_QUARTER_TURN_5_TILES:
case TRACK_ELEM_LEFT_BANK:
case TRACK_ELEM_LEFT_QUARTER_TURN_3_TILES_BANK:
dx = 10831;
cx = -819;
break;
case TRACK_ELEM_BANKED_RIGHT_QUARTER_TURN_5_TILES:
case TRACK_ELEM_RIGHT_BANK:
case TRACK_ELEM_RIGHT_QUARTER_TURN_3_TILES_BANK:
dx = 819;
cx = -10831;
break;
}
switch (trackType) {
case TRACK_ELEM_END_STATION:
case TRACK_ELEM_BEGIN_STATION:
case TRACK_ELEM_MIDDLE_STATION:
case TRACK_ELEM_BRAKES:
case TRACK_ELEM_BLOCK_BRAKES:
dx = 0;
cx = 0;
break;
}
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_0) {
dx = 0;
cx = 0;
}
}
vehicle->swinging_car_var_0 += vehicle->var_4E;
vehicle->var_4E -= vehicle->var_4E >> 5;
sint16 ax = vehicle->swinging_car_var_0;
if (ax > dx) {
ax = dx;
vehicle->var_4E = 0;
}
if (ax < cx) {
ax = cx;
vehicle->var_4E = 0;
}
vehicle->swinging_car_var_0 = ax;
uint8 bl = 11;
if (ax >= -10012) {
bl = 12;
if (ax <= 10012) {
bl = 9;
if (ax >= -8191) {
bl = 10;
if (ax <= 8191) {
bl = 7;
if (ax >= -6371) {
bl = 8;
if (ax <= 6371) {
bl = 5;
if (ax >= -4550) {
bl = 6;
if (ax <= 4550) {
bl = 3;
if (ax >= -2730) {
bl = 4;
if (ax <= 2730) {
bl = 1;
if (ax >= -910) {
bl = 2;
if (ax <= 910) {
bl = 0;
}
}
}
}
}
}
}
}
}
}
}
}
if (bl != vehicle->var_4A) {
vehicle->var_4A = bl;
vehicle_invalidate(vehicle);
}
}
#pragma region off_9A2E84
enum {
loc_6D673C,
loc_6D66F0,
loc_6D672B,
loc_6D6711,
loc_6D66D6,
loc_6D66C3,
loc_6D66B0,
loc_6D669A,
loc_6D6684,
loc_6D665A,
loc_6D6708,
loc_6D6703,
loc_6D66DD,
loc_6D6718
};
static const uint8 off_9A2E84[256] = {
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D66F0,
loc_6D672B,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D66F0,
loc_6D672B,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D66F0,
loc_6D672B,
loc_6D66F0,
loc_6D672B,
loc_6D6711,
loc_6D66D6,
loc_6D673C,
loc_6D673C,
loc_6D66C3,
loc_6D66B0,
loc_6D66C3,
loc_6D66B0,
loc_6D66C3,
loc_6D66B0,
loc_6D66C3,
loc_6D66B0,
loc_6D669A,
loc_6D6684,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D66F0,
loc_6D672B,
loc_6D6711,
loc_6D66D6,
loc_6D66C3,
loc_6D66B0,
loc_6D66C3,
loc_6D66B0,
loc_6D66C3,
loc_6D66B0,
loc_6D66F0,
loc_6D672B,
loc_6D66F0,
loc_6D672B,
loc_6D669A,
loc_6D6684,
loc_6D669A,
loc_6D6684,
loc_6D673C,
loc_6D665A,
loc_6D673C,
loc_6D66F0,
loc_6D672B,
loc_6D66F0,
loc_6D672B,
loc_6D66F0,
loc_6D672B,
loc_6D66F0,
loc_6D672B,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D6708,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D6703,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D66DD,
loc_6D6718,
loc_6D66DD,
loc_6D6718,
loc_6D66DD,
loc_6D6718,
loc_6D66DD,
loc_6D6718,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D66C3,
loc_6D66B0,
loc_6D66C3,
loc_6D66B0,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D66C3,
loc_6D66B0,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D66C3,
loc_6D66B0,
loc_6D66C3,
loc_6D66B0,
loc_6D66F0,
loc_6D672B,
loc_6D66F0,
loc_6D672B,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C,
loc_6D673C
};
#pragma endregion
/**
*
* rct2: 0x006D661F
*/
static void vehicle_update_spinning_car(rct_vehicle *vehicle)
{
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_13) {
vehicle->var_B6 = 0;
return;
}
rct_ride_entry_vehicle *vehicleEntry = vehicle_get_vehicle_entry(vehicle);
int spinningInertia = vehicleEntry->spinning_inertia;
int trackType = vehicle->track_type >> 2;
sint32 dword_F64E08 = _vehicleVelocityF64E08;
int unk;
switch (off_9A2E84[trackType]) {
case loc_6D665A:
spinningInertia += 6;
unk = dword_F64E08 >> spinningInertia;
if (vehicle->sprite_index & 1) {
vehicle->var_B6 -= unk;
} else {
vehicle->var_B6 += unk;
}
break;
case loc_6D6684:
case loc_6D6703:
spinningInertia += 5;
vehicle->var_B6 -= dword_F64E08 >> spinningInertia;
break;
case loc_6D669A:
spinningInertia += 5;
vehicle->var_B6 += dword_F64E08 >> spinningInertia;
break;
case loc_6D66B0:
spinningInertia += 7;
vehicle->var_B6 -= dword_F64E08 >> spinningInertia;
break;
case loc_6D66C3:
spinningInertia += 7;
vehicle->var_B6 += dword_F64E08 >> spinningInertia;
break;
case loc_6D66D6:
if (vehicle->track_progress < 48) {
spinningInertia += 8;
vehicle->var_B6 += dword_F64E08 >> spinningInertia;
break;
}
case loc_6D66DD:
spinningInertia += 9;
vehicle->var_B6 += dword_F64E08 >> spinningInertia;
break;
case loc_6D66F0:
spinningInertia += 8;
vehicle->var_B6 += dword_F64E08 >> spinningInertia;
break;
case loc_6D6708:
if (vehicle->track_progress > 22) {
spinningInertia += 5;
vehicle->var_B6 += dword_F64E08 >> spinningInertia;
}
break;
case loc_6D6711:
if (vehicle->track_progress < 48) {
spinningInertia += 8;
vehicle->var_B6 += dword_F64E08 >> spinningInertia;
break;
}
case loc_6D6718:
spinningInertia += 9;
vehicle->var_B6 -= dword_F64E08 >> spinningInertia;
break;
case loc_6D672B:
spinningInertia += 8;
vehicle->var_B6 += dword_F64E08 >> spinningInertia;
break;
}
unk = clamp(-0x600, vehicle->var_B6, 0x600);
vehicle->var_B6 = unk;
vehicle->var_BA += unk >> 8;
vehicle->var_B6 -= unk >> vehicleEntry->spinning_friction;
vehicle_invalidate(vehicle);
}
/**
*
* rct2: 0x006734B2
*/
static void steam_particle_create(sint16 x, sint16 y, sint16 z)
{
rct_map_element *mapElement = map_get_surface_element_at(x >> 5, y >> 5);
if (mapElement != NULL && z > mapElement->base_height * 8) {
rct_steam_particle *steam = (rct_steam_particle*)create_sprite(2);
if (steam == NULL)
return;
steam->sprite_width = 20;
steam->sprite_height_negative = 18;
steam->sprite_height_positive = 16;
steam->sprite_identifier = SPRITE_IDENTIFIER_MISC;
steam->misc_identifier = SPRITE_MISC_STEAM_PARTICLE;
steam->frame = 256;
steam->var_24 = 0;
sprite_move(x, y, z, (rct_sprite*)steam);
}
}
/**
*
* rct2: 0x006D63D4
*/
static void sub_6D63D4(rct_vehicle *vehicle)
{
uint8 al, ah;
uint32 eax;
uint32 *var_C8 = (uint32*)&vehicle->var_C8;
rct_ride_entry_vehicle *vehicleEntry = vehicle_get_vehicle_entry(vehicle);
switch (vehicleEntry->var_11) {
case 1: // loc_6D652B
*var_C8 += _vehicleVelocityF64E08;
al = (*var_C8 >> 20) & 3;
if (vehicle->var_C5 != al) {
ah = al;
al = vehicle->var_C5;
vehicle->var_C5 = ah;
al &= 0x02;
ah &= 0x02;
if (al != ah) {
rct_ride *ride = get_ride(vehicle->ride);
if (ride->entrance_style == RIDE_ENTRANCE_STYLE_PLAIN ||
(vehicle->status != VEHICLE_STATUS_MOVING_TO_END_OF_STATION &&
vehicle->status != VEHICLE_STATUS_ARRIVING)
) {
int index = vehicle->sprite_direction >> 1;
if (vehicle->vehicle_sprite_type == 2) {
index += 16;
}
if (vehicle->vehicle_sprite_type == 6) {
index += 32;
}
steam_particle_create(
vehicle->x + SteamParticleOffsets[index].x,
vehicle->y + SteamParticleOffsets[index].y,
vehicle->z + SteamParticleOffsets[index].z
);
}
}
vehicle_invalidate(vehicle);
}
break;
case 2: // loc_6D6424
*var_C8 += _vehicleVelocityF64E08;
al = (*var_C8 >> 18) & 2;
if (vehicle->var_C5 != al) {
vehicle->var_C5 = al;
vehicle_invalidate(vehicle);
}
break;
case 3: // loc_6D6482
*var_C8 += _vehicleVelocityF64E08;
eax = ((*var_C8 >> 13) & 0xFF) * 6;
ah = (eax >> 8) & 0xFF;
if (vehicle->var_C5 != ah) {
vehicle->var_C5 = ah;
vehicle_invalidate(vehicle);
}
break;
case 4: // loc_6D64F7
*var_C8 += _vehicleVelocityF64E08;
eax = ((*var_C8 >> 13) & 0xFF) * 7;
ah = (eax >> 8) & 0xFF;
if (vehicle->var_C5 != ah) {
vehicle->var_C5 = ah;
vehicle_invalidate(vehicle);
}
break;
case 5: // loc_6D6453
*var_C8 += _vehicleVelocityF64E08;
al = (*var_C8 >> 19) & 1;
if (vehicle->var_C5 != al) {
vehicle->var_C5 = al;
vehicle_invalidate(vehicle);
}
break;
case 6: // loc_6D65C3
if (vehicle->var_C8 <= 0xCCCC) {
vehicle->var_C8 += 0x3333;
} else {
vehicle->var_C8 += 0x3333;
vehicle->var_C5 += 1;
vehicle->var_C5 &= 7;
vehicle_invalidate(vehicle);
}
break;
case 7: // loc_6D63F5
*var_C8 += _vehicleVelocityF64E08;
al = (*var_C8 >> 18) & 3;
if (vehicle->var_C5 != al) {
vehicle->var_C5 = al;
vehicle_invalidate(vehicle);
}
break;
case 8: // loc_6D64B6
if (vehicle->num_peeps != 0) {
*var_C8 += _vehicleVelocityF64E08;
eax = ((*var_C8 >> 13) & 0xFF) << 2;
ah = (eax >> 8) & 0xFF;
if (vehicle->var_C5 != ah) {
vehicle->var_C5 = ah;
vehicle_invalidate(vehicle);
}
}
break;
case 9: // loc_6D65E1
if (vehicle->seat_rotation != vehicle->target_seat_rotation) {
if (vehicle->var_C8 <= 0xCCCC) {
vehicle->var_C8 += 0x3333;
} else {
vehicle->var_C8 += 0x3333;
if (vehicle->seat_rotation >= vehicle->target_seat_rotation)
vehicle->seat_rotation--;
else
vehicle->seat_rotation++;
vehicle->var_C5 = (vehicle->seat_rotation - 4) & 7;
vehicle_invalidate(vehicle);
}
}
break;
}
}
/**
*
* rct2: 0x006DEDB1
*/
static void vehicle_play_scenery_door_open_sound(rct_vehicle *vehicle, rct_map_element *mapElement)
{
rct_scenery_entry *wallEntry = get_wall_entry(mapElement->properties.fence.type);
int doorSoundType = (wallEntry->wall.flags2 >> 1) & 3;
if (doorSoundType != 0) {
int soundId = DoorOpenSoundIds[doorSoundType - 1];
if (soundId != 255) {
audio_play_sound_at_location(soundId, vehicle->x, vehicle->track_y, vehicle->track_z);
}
}
}
/**
*
* rct2: 0x006DED7A
*/
static void vehicle_play_scenery_door_close_sound(rct_vehicle *vehicle, rct_map_element *mapElement)
{
rct_scenery_entry *wallEntry = get_wall_entry(mapElement->properties.fence.type);
int doorSoundType = (wallEntry->wall.flags2 >> 1) & 3;
if (doorSoundType != 0) {
int soundId = DoorCloseSoundIds[doorSoundType - 1];
if (soundId != 255) {
audio_play_sound_at_location(soundId, vehicle->x, vehicle->track_y, vehicle->track_z);
}
}
}
/**
*
* rct2: 0x006DEE93
*/
static void vehicle_update_scenery_door(rct_vehicle *vehicle)
{
int trackType = vehicle->track_type >> 2;
const rct_preview_track *trackBlock = TrackBlocks[trackType];
while ((trackBlock + 1)->index != 255) {
trackBlock++;
}
const rct_track_coordinates *trackCoordinates = &TrackCoordinates[trackType];
int x = floor2(vehicle->x, 32);
int y = floor2(vehicle->y, 32);
int z = (vehicle->track_z - trackBlock->z + trackCoordinates->z_end) >> 3;
int direction = (vehicle->track_direction + trackCoordinates->rotation_end) & 3;
rct_map_element *mapElement = map_get_fence_element_at(x, y, z, direction);
if (mapElement == NULL) {
return;
}
if (vehicle->next_vehicle_on_train != SPRITE_INDEX_NULL) {
mapElement->properties.fence.item[2] &= 7;
mapElement->properties.fence.item[2] |= 8;
map_animation_create(MAP_ANIMATION_TYPE_WALL_UNKNOWN, x, y, z);
vehicle_play_scenery_door_open_sound(vehicle, mapElement);
} else {
mapElement->properties.fence.item[2] &= 7;
mapElement->properties.fence.item[2] |= 0x30;
vehicle_play_scenery_door_close_sound(vehicle, mapElement);
}
}
/**
*
* rct2: 0x006DB38B
*/
static bool loc_6DB38B(rct_vehicle *vehicle, rct_map_element *mapElement)
{
// Get bank
int bankStart = track_get_actual_bank_3(vehicle, mapElement);
// Get vangle
int trackType = mapElement->properties.track.type;
int vangleStart = TrackDefinitions[trackType].vangle_start;
if (vangleStart != _vehicleVAngleEndF64E36 ||
bankStart != _vehicleBankEndF64E37
) {
return false;
}
return true;
}
static void loc_6DB481(rct_vehicle *vehicle)
{
uint16 probability = 0x8000;
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_6) {
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_6;
} else {
probability = 0x0A3D;
}
if ((scenario_rand() & 0xFFFF) <= probability) {
vehicle->var_CD += 2;
}
}
/**
*
* rct2: 0x006DB545
*/
static void vehicle_trigger_on_ride_photo(rct_vehicle *vehicle, rct_map_element *mapElement)
{
mapElement->properties.track.sequence &= 0x0F;
mapElement->properties.track.sequence |= 0x30;
map_animation_create(
MAP_ANIMATION_TYPE_TRACK_ONRIDEPHOTO,
vehicle->track_x,
vehicle->track_y,
mapElement->base_height
);
}
/**
*
* rct2: 0x006DEDE8
*/
static void sub_6DEDE8(rct_vehicle *vehicle)
{
int trackType = vehicle->track_type >> 2;
const rct_preview_track *trackBlock = TrackBlocks[trackType];
const rct_track_coordinates *trackCoordinates = &TrackCoordinates[trackType];
int x = vehicle->track_x;
int y = vehicle->track_y;
int z = (vehicle->track_z - trackBlock->z + trackCoordinates->z_begin) >> 3;
int direction = (vehicle->track_direction + trackCoordinates->rotation_begin) & 3;
direction ^= 2;
rct_map_element *mapElement = map_get_fence_element_at(x, y, z, direction);
if (mapElement == NULL) {
return;
}
if (vehicle->next_vehicle_on_train != SPRITE_INDEX_NULL) {
mapElement->properties.fence.item[2] &= 7;
mapElement->properties.fence.item[2] |= 0x88;
map_animation_create(MAP_ANIMATION_TYPE_WALL_UNKNOWN, x, y, z);
vehicle_play_scenery_door_open_sound(vehicle, mapElement);
} else {
mapElement->properties.fence.item[2] &= 7;
mapElement->properties.fence.item[2] |= 0xB0;
vehicle_play_scenery_door_close_sound(vehicle, mapElement);
}
}
static void vehicle_update_play_water_splash_sound()
{
if (_vehicleVelocityF64E08 <= 0x20364) {
return;
}
audio_play_sound_at_location(
SOUND_WATER_SPLASH,
unk_F64E20.x,
unk_F64E20.y,
unk_F64E20.z
);
}
/**
*
* rct2: 0x006DB59E
*/
static void vehicle_update_handle_water_splash(rct_vehicle *vehicle)
{
rct_ride_entry *rideEntry = get_ride_entry(vehicle->ride_subtype);
int trackType = vehicle->track_type >> 2;
if (!(rideEntry->flags & RIDE_ENTRY_FLAG_8)) {
if (rideEntry->flags & RIDE_ENTRY_FLAG_9) {
if (!vehicle->is_child) {
if (track_element_is_covered(trackType)) {
rct_vehicle *nextVehicle = GET_VEHICLE(vehicle->next_vehicle_on_ride);
rct_vehicle *nextNextVehicle = GET_VEHICLE(nextVehicle->next_vehicle_on_ride);
if (!track_element_is_covered(nextNextVehicle->track_type >> 2)) {
if (vehicle->track_progress == 4) {
vehicle_update_play_water_splash_sound();
}
}
}
}
}
} else {
if (trackType == TRACK_ELEM_25_DEG_DOWN_TO_FLAT) {
if (vehicle->track_progress == 12) {
vehicle_update_play_water_splash_sound();
}
}
}
if (!vehicle->is_child) {
if (trackType == TRACK_ELEM_WATER_SPLASH) {
if (vehicle->track_progress == 48) {
vehicle_update_play_water_splash_sound();
}
}
}
}
/**
*
* rct2: 0x006DB807
*/
static void sub_6DB807(rct_vehicle *vehicle)
{
const rct_vehicle_info *moveInfo = vehicle_get_move_info(
vehicle->var_CD,
vehicle->track_type,
vehicle->track_progress
);
int x = vehicle->track_x + moveInfo->x;
int y = vehicle->track_y + moveInfo->y;
int z = vehicle->z;
sprite_move(x, y, z, (rct_sprite*)vehicle);
}
extern const rct_xy16 duck_move_offset[4];
/**
* Collision Detection
* rct2: 0x006DD078
* @param vehicle (esi)
* @param x (ax)
* @param y (cx)
* @param z (dx)
* @param otherVehicleIndex (bp)
*/
static bool vehicle_update_motion_collision_detection(
rct_vehicle *vehicle, sint16 x, sint16 y, sint16 z, uint16* otherVehicleIndex
) {
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_1) return false;
rct_ride_entry_vehicle *vehicleEntry = vehicle_get_vehicle_entry(vehicle);
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_6)){
vehicle->var_C4 = 0;
// If hacking boat hire rides you can end up here
if (otherVehicleIndex == NULL) return false;
rct_vehicle* collideVehicle = GET_VEHICLE(*otherVehicleIndex);
if (vehicle == collideVehicle) return false;
sint32 x_diff = abs(x - collideVehicle->x);
if (x_diff > 0x7FFF) return false;
sint32 y_diff = abs(y - collideVehicle->y);
if (y_diff > 0x7FFF) return false;
if (x_diff + y_diff > 0xFFFF) return false;
sint32 z_diff = abs(z - collideVehicle->z);
if (x_diff + y_diff + z_diff > 0xFFFF) return false;
uint16 ecx = min(vehicle->var_44 + collideVehicle->var_44, 560);
ecx = ((ecx >> 1) * 30) >> 8;
if (x_diff + y_diff + z_diff >= ecx) return false;
uint8 direction = (vehicle->sprite_direction - collideVehicle->sprite_direction + 7) & 0x1F;
if (direction >= 0xF) return false;
return true;
}
rct_xy8 location = {.x = (x / 32), .y = (y / 32)};
bool mayCollide = false;
uint16 collideId = 0xFFFF;
rct_vehicle* collideVehicle = NULL;
for (int i = 0; i < countof(Unk9A37C4); i++) {
location.x += Unk9A37C4[i].x;
location.y += Unk9A37C4[i].y;
collideId = sprite_get_first_in_quadrant(location.x * 32, location.y * 32);
for(; collideId != 0xFFFF; collideId = collideVehicle->next_in_quadrant){
collideVehicle = GET_VEHICLE(collideId);
if (collideVehicle == vehicle) continue;
if (collideVehicle->sprite_identifier != SPRITE_IDENTIFIER_VEHICLE) continue;
sint32 z_diff = abs(collideVehicle->z - z);
if (z_diff > 16) continue;
if (collideVehicle->ride_subtype == RIDE_TYPE_NULL) continue;
rct_ride_entry_vehicle* collideType = vehicle_get_vehicle_entry(collideVehicle);
if (!(collideType->flags_b & VEHICLE_ENTRY_FLAG_B_6)) continue;
uint32 x_diff = abs(collideVehicle->x - x);
if (x_diff > 0x7FFF) continue;
uint32 y_diff = abs(collideVehicle->y - y);
if (y_diff > 0x7FFF) continue;
if (x_diff + y_diff > 0xFFFF) continue;
uint8 cl = min(vehicle->var_CD, collideVehicle->var_CD);
uint8 ch = max(vehicle->var_CD, collideVehicle->var_CD);
if (cl != ch){
if (cl == 5 && ch == 6) continue;
}
uint32 ecx = vehicle->var_44 + collideVehicle->var_44;
ecx = ((ecx >> 1) * 30) >> 8;
if (x_diff + y_diff >= ecx) continue;
if (!(collideType->flags_b & VEHICLE_ENTRY_FLAG_B_14)){
mayCollide = true;
break;
}
uint8 direction = (vehicle->sprite_direction - collideVehicle->sprite_direction - 6) & 0x1F;
if (direction < 0x14) continue;
uint32 offsetSpriteDirection = (vehicle->sprite_direction + 4) & 31;
uint32 offsetDirection = offsetSpriteDirection >> 3;
uint32 next_x_diff = abs(x + duck_move_offset[offsetDirection].x - collideVehicle->x);
uint32 next_y_diff = abs(y + duck_move_offset[offsetDirection].y - collideVehicle->y);
if (next_x_diff + next_y_diff < x_diff + y_diff){
mayCollide = true;
break;
}
}
if (mayCollide == true) {
break;
}
}
if (mayCollide == false) {
vehicle->var_C4 = 0;
return false;
}
vehicle->var_C4++;
if (vehicle->var_C4 < 200) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_6;
if (otherVehicleIndex != NULL)
*otherVehicleIndex = collideId;
return true;
}
// TODO Is it possible for collideVehicle to be NULL?
if (vehicle->status == VEHICLE_STATUS_MOVING_TO_END_OF_STATION){
if (vehicle->sprite_direction == 0) {
if (vehicle->x <= collideVehicle->x) {
return false;
}
}
else if (vehicle->sprite_direction == 8) {
if (vehicle->y >= collideVehicle->y) {
return false;
}
}
else if (vehicle->sprite_direction == 16) {
if (vehicle->x >= collideVehicle->x) {
return false;
}
}
else if (vehicle->sprite_direction == 24) {
if (vehicle->y <= collideVehicle->y) {
return false;
}
}
}
if (collideVehicle->status == VEHICLE_STATUS_TRAVELLING_BOAT &&
vehicle->status != VEHICLE_STATUS_ARRIVING &&
vehicle->status != VEHICLE_STATUS_TRAVELLING
) {
return false;
}
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_6;
if (otherVehicleIndex != NULL)
*otherVehicleIndex = collideId;
return true;
}
/**
*
* rct2: 0x006DB7D6
*/
static void sub_6DB7D6(rct_vehicle *vehicle)
{
rct_vehicle *previousVehicle = GET_VEHICLE(vehicle->prev_vehicle_on_ride);
rct_vehicle *nextVehicle = GET_VEHICLE(vehicle->next_vehicle_on_ride);
vehicle->track_progress = 168;
vehicle->vehicle_type ^= 1;
previousVehicle->track_progress = 86;
nextVehicle->track_progress = 158;
sub_6DB807(nextVehicle);
sub_6DB807(previousVehicle);
}
/**
*
* rct2: 0x006DBF3E
*/
static void sub_6DBF3E(rct_vehicle *vehicle)
{
rct_ride_entry_vehicle *vehicleEntry = vehicle_get_vehicle_entry(vehicle);
vehicle->acceleration = (uint32)((sint32)vehicle->acceleration / _vehicleUnkF64E10);
if (vehicle->var_CD == 2) {
return;
}
int trackType = vehicle->track_type >> 2;
if (!(TrackSequenceProperties[trackType][0] & TRACK_SEQUENCE_FLAG_ORIGIN)) {
return;
}
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_3;
rct_map_element *mapElement = NULL;
if (map_is_location_valid(vehicle->track_x, vehicle->track_y)) {
mapElement = map_get_track_element_at_of_type_seq(
vehicle->track_x,
vehicle->track_y,
vehicle->track_z >> 3,
trackType,
0
);
}
if (mapElement == NULL) {
return;
}
if (_vehicleStationIndex == 0xFF) {
_vehicleStationIndex = (mapElement->properties.track.sequence >> 4) & 7;
}
if (trackType == TRACK_ELEM_TOWER_BASE &&
vehicle == gCurrentVehicle
) {
if (vehicle->track_progress > 3 && !(vehicle->update_flags & VEHICLE_UPDATE_FLAG_3)) {
rct_xy_element input, output;
int outputZ, outputDirection;
input.x = vehicle->track_x;
input.y = vehicle->track_y;
input.element = mapElement;
if (!track_block_get_next(&input, &output, &outputZ, &outputDirection)) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_12;
}
}
if (vehicle->track_progress <= 3) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_AT_STATION;
}
}
if (trackType != TRACK_ELEM_END_STATION ||
vehicle != gCurrentVehicle
) {
return;
}
uint16 ax = vehicle->track_progress;
if (_vehicleVelocityF64E08 < 0) {
if (ax <= 22) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_AT_STATION;
}
} else {
uint16 cx = 17;
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_12) {
cx = 6;
}
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_14) {
cx = vehicle->var_CD == 6 ? 18 : 20;
}
if (ax > cx) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_AT_STATION;
}
}
}
/**
*
* rct2: 0x006DB08C
*/
static bool vehicle_update_track_motion_forwards_get_new_track(rct_vehicle *vehicle, uint16 trackType, rct_ride* ride, rct_ride_entry* rideEntry) {
registers regs = { 0 };
_vehicleVAngleEndF64E36 = TrackDefinitions[trackType].vangle_end;
_vehicleBankEndF64E37 = TrackDefinitions[trackType].bank_end;
rct_map_element *mapElement = map_get_track_element_at_of_type_seq(
vehicle->track_x,
vehicle->track_y,
vehicle->track_z >> 3,
trackType,
0
);
if (mapElement == NULL) {
return false;
}
if (trackType == TRACK_ELEM_CABLE_LIFT_HILL && vehicle == gCurrentVehicle) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_11;
}
if (track_element_is_block_start(mapElement)) {
if (vehicle->next_vehicle_on_train == SPRITE_INDEX_NULL) {
mapElement->flags |= MAP_ELEMENT_FLAG_BLOCK_BRAKE_CLOSED;
if (trackType == TRACK_ELEM_BLOCK_BRAKES || trackType == TRACK_ELEM_END_STATION) {
if (!(rideEntry->vehicles[0].flags_b & VEHICLE_ENTRY_FLAG_B_3)) {
audio_play_sound_at_location(SOUND_49, vehicle->track_x, vehicle->track_y, vehicle->track_z);
}
}
map_invalidate_element(vehicle->track_x, vehicle->track_z, mapElement);
vehicle_update_block_breaks_open_previous_section(vehicle, mapElement);
}
}
// TODO check if getting the vehicle entry again is necessary
rct_ride_entry_vehicle* vehicleEntry = vehicle_get_vehicle_entry(vehicle);
if (vehicleEntry->flags_a & VEHICLE_ENTRY_FLAG_A_8) {
vehicle_update_scenery_door(vehicle);
}
switch (vehicle->var_CD) {
default:
goto loc_6DB358;
case 2:
case 3:
vehicle->var_CD = 2;
goto loc_6DB32A;
case 4:
vehicle->var_CD = 1;
goto loc_6DB358;
case 7:
vehicle->var_CD = 6;
goto loc_6DB358;
case 8:
vehicle->var_CD = 5;
goto loc_6DB358;
}
loc_6DB32A:
{
track_begin_end trackBeginEnd;
if (!track_block_get_previous(vehicle->track_x, vehicle->track_y, mapElement, &trackBeginEnd)) {
return false;
}
regs.eax = trackBeginEnd.begin_x;
regs.ecx = trackBeginEnd.begin_y;
regs.edx = trackBeginEnd.begin_z;
regs.bl = trackBeginEnd.begin_direction;
mapElement = trackBeginEnd.begin_element;
}
goto loc_6DB41D;
loc_6DB358:
{
rct_xy_element xyElement;
int z, direction;
xyElement.x = vehicle->track_x;
xyElement.y = vehicle->track_y;
xyElement.element = mapElement;
if (!track_block_get_next(&xyElement, &xyElement, &z, &direction)) {
return false;
}
mapElement = xyElement.element;
regs.eax = xyElement.x;
regs.ecx = xyElement.y;
regs.edx = z;
regs.bl = direction;
}
if (mapElement->properties.track.type == 211 ||
mapElement->properties.track.type == 212
) {
if (!vehicle->is_child && vehicle->velocity <= 0x30000) {
vehicle->velocity = 0;
}
}
if (!loc_6DB38B(vehicle, mapElement)) {
return false;
}
// Update VEHICLE_UPDATE_FLAG_11 flag
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_11;
int rideType = get_ride(mapElement->properties.track.ride_index)->type;
if (RideData4[rideType].flags & RIDE_TYPE_FLAG4_3) {
if (mapElement->properties.track.colour & 4) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_11;
}
}
loc_6DB41D:
vehicle->track_x = regs.ax;
vehicle->track_y = regs.cx;
vehicle->track_z = regs.dx;
// TODO check if getting the vehicle entry again is necessary
vehicleEntry = vehicle_get_vehicle_entry(vehicle);
if ((vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_14) && vehicle->var_CD < 7) {
trackType = mapElement->properties.track.type;
if (trackType == TRACK_ELEM_FLAT) {
loc_6DB481(vehicle);
}
else if (ride->lifecycle_flags & RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING) {
if (track_element_is_station(mapElement)) {
loc_6DB481(vehicle);
}
}
}
if (vehicle->var_CD != 0 && vehicle->var_CD < 5) {
rct_xy8 curLocation = {
.x = regs.ax >> 5,
.y = regs.cx >> 5
};
regs.dx >>= 3;
if (curLocation.xy == ride->chairlift_bullwheel_location[1].xy && regs.dl == ride->chairlift_bullwheel_z[1]) {
vehicle->var_CD = 3;
}
else if (curLocation.xy == ride->chairlift_bullwheel_location[0].xy && regs.dl == ride->chairlift_bullwheel_z[0]) {
vehicle->var_CD = 4;
}
}
// loc_6DB500
// Update VEHICLE_UPDATE_FLAG_0
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_0;
if (track_element_is_lift_hill(mapElement)) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_0;
}
trackType = mapElement->properties.track.type;
if (trackType != TRACK_ELEM_BRAKES) {
vehicle->target_seat_rotation = mapElement->properties.track.colour >> 4;
}
vehicle->track_direction = regs.bl & 3;
vehicle->track_type |= trackType << 2;
vehicle->break_speed = (mapElement->properties.track.sequence >> 4) << 1;
if (trackType == TRACK_ELEM_ON_RIDE_PHOTO) {
vehicle_trigger_on_ride_photo(vehicle, mapElement);
}
if (trackType == TRACK_ELEM_ROTATION_CONTROL_TOGGLE) {
vehicle->update_flags ^= VEHICLE_UPDATE_FLAG_13;
}
if (vehicleEntry->flags_a & VEHICLE_ENTRY_FLAG_A_8) {
sub_6DEDE8(vehicle);
}
return true;
}
/**
*
* rct2: 0x006DAEB9
*/
static bool vehicle_update_track_motion_forwards(rct_vehicle *vehicle, rct_ride_entry_vehicle* vehicleEntry, rct_ride* ride, rct_ride_entry* rideEntry) {
registers regs = { 0 };
loc_6DAEB9:
regs.edi = vehicle->track_type;
regs.cx = vehicle->track_type >> 2;
int trackType = vehicle->track_type >> 2;
if (trackType == TRACK_ELEM_HEARTLINE_TRANSFER_UP || trackType == TRACK_ELEM_HEARTLINE_TRANSFER_DOWN) {
if (vehicle->track_progress == 80) {
vehicle->vehicle_type ^= 1;
vehicleEntry = vehicle_get_vehicle_entry(vehicle);
}
if (_vehicleVelocityF64E08 >= 0x40000) {
vehicle->acceleration = -_vehicleVelocityF64E08 * 8;
}
else if (_vehicleVelocityF64E08 < 0x20000) {
vehicle->acceleration = 0x50000;
}
}
else if (trackType == TRACK_ELEM_BRAKES) {
if (!(
ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN &&
ride->breakdown_reason_pending == BREAKDOWN_BRAKES_FAILURE &&
ride->mechanic_status == RIDE_MECHANIC_STATUS_4
)) {
regs.eax = vehicle->break_speed << 16;
if (regs.eax < _vehicleVelocityF64E08) {
vehicle->acceleration = -_vehicleVelocityF64E08 * 16;
}
else if (!(gCurrentTicks & 0x0F)) {
if (_vehicleF64E2C == 0) {
_vehicleF64E2C++;
audio_play_sound_at_location(SOUND_51, vehicle->x, vehicle->y, vehicle->z);
}
}
}
}
if ((trackType == TRACK_ELEM_FLAT && ride->type == RIDE_TYPE_REVERSE_FREEFALL_COASTER) ||
(trackType == TRACK_ELEM_POWERED_LIFT)
) {
vehicle->acceleration = RideProperties[ride->type].acceleration << 16;
}
if (trackType == TRACK_ELEM_BRAKE_FOR_DROP) {
if (!vehicle->is_child) {
if (!(vehicle->update_flags & VEHICLE_UPDATE_FLAG_ON_BREAK_FOR_DROP)) {
if (vehicle->track_progress >= 8) {
vehicle->acceleration = -_vehicleVelocityF64E08 * 16;
if (vehicle->track_progress >= 24) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_ON_BREAK_FOR_DROP;
vehicle->vertical_drop_countdown = 90;
}
}
}
}
}
if (trackType == TRACK_ELEM_LOG_FLUME_REVERSER) {
if (vehicle->track_progress != 16 || vehicle->velocity < 0x40000) {
if (vehicle->track_progress == 32) {
vehicle->vehicle_type = vehicleEntry->var_58;
vehicleEntry = vehicle_get_vehicle_entry(vehicle);
}
}
else {
vehicle->track_progress += 17;
}
}
regs.ax = vehicle->track_progress + 1;
const rct_vehicle_info *moveInfo = vehicle_get_move_info(
vehicle->var_CD,
vehicle->track_type,
0
);
// Track Total Progress is in the two bytes before the move info list
uint16 trackTotalProgress = vehicle_get_move_info_size(vehicle->var_CD, vehicle->track_type);
if (regs.ax >= trackTotalProgress) {
if (!vehicle_update_track_motion_forwards_get_new_track(vehicle, trackType, ride, rideEntry)) {
goto loc_6DB94A;
}
regs.ax = 0;
}
vehicle->track_progress = regs.ax;
vehicle_update_handle_water_splash(vehicle);
// loc_6DB706
moveInfo = vehicle_get_move_info(
vehicle->var_CD,
vehicle->track_type,
vehicle->track_progress
);
sint16 x = vehicle->track_x + moveInfo->x;
sint16 y = vehicle->track_y + moveInfo->y;
sint16 z = vehicle->track_z + moveInfo->z + RideData5[ride->type].z_offset;
trackType = vehicle->track_type >> 2;
regs.ebx = 0;
if (x != unk_F64E20.x) { regs.ebx |= 1; }
if (y != unk_F64E20.y) { regs.ebx |= 2; }
if (z != unk_F64E20.z) { regs.ebx |= 4; }
if (vehicle->var_CD == 15 &&
(trackType == TRACK_ELEM_LEFT_REVERSER ||
trackType == TRACK_ELEM_RIGHT_REVERSER) &&
vehicle->track_progress >= 30 &&
vehicle->track_progress <= 66
) {
regs.ebx |= 8;
}
if (vehicle->var_CD == 16 &&
(trackType == TRACK_ELEM_LEFT_REVERSER ||
trackType == TRACK_ELEM_RIGHT_REVERSER) &&
vehicle->track_progress == 96
) {
sub_6DB7D6(vehicle);
const rct_vehicle_info *moveInfo2 = vehicle_get_move_info(
vehicle->var_CD,
vehicle->track_type,
vehicle->track_progress
);
x = vehicle->x + moveInfo2->x;
y = vehicle->y + moveInfo2->y;
}
// loc_6DB8A5
regs.ebx = dword_9A2930[regs.ebx];
vehicle->remaining_distance -= regs.ebx;
unk_F64E20.x = x;
unk_F64E20.y = y;
unk_F64E20.z = z;
vehicle->sprite_direction = moveInfo->direction;
vehicle->bank_rotation = moveInfo->bank_rotation;
vehicle->vehicle_sprite_type = moveInfo->vehicle_sprite_type;
regs.ebx = moveInfo->vehicle_sprite_type;
if ((vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_9) && moveInfo->vehicle_sprite_type != 0) {
vehicle->var_4A = 0;
vehicle->swinging_car_var_0 = 0;
vehicle->var_4E = 0;
}
// vehicle == frontVehicle
if (vehicle == _vehicleFrontVehicle) {
if (_vehicleVelocityF64E08 >= 0) {
regs.bp = vehicle->prev_vehicle_on_ride;
if (vehicle_update_motion_collision_detection(vehicle, x, y, z, (uint16 *)&regs.bp)) {
goto loc_6DB967;
}
}
}
// loc_6DB928
if (vehicle->remaining_distance < 0x368A) {
return true;
}
regs.ebx = dword_9A2970[regs.ebx];
vehicle->acceleration += regs.ebx;
_vehicleUnkF64E10++;
goto loc_6DAEB9;
loc_6DB94A:
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_5;
regs.eax = vehicle->remaining_distance + 1;
_vehicleVelocityF64E0C -= regs.eax;
vehicle->remaining_distance = 0xFFFFFFFF;
regs.ebx = vehicle->vehicle_sprite_type;
return false;
loc_6DB967:
regs.eax = vehicle->remaining_distance + 1;
_vehicleVelocityF64E0C -= regs.eax;
vehicle->remaining_distance -= regs.eax;
// Might need to be bp rather than vehicle, but hopefully not
rct_vehicle *head = vehicle_get_head(GET_VEHICLE(regs.bp));
regs.eax = abs(vehicle->velocity - head->velocity);
if (!(rideEntry->flags & RIDE_ENTRY_FLAG_18)) {
if (regs.eax > 0xE0000) {
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_6)) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_COLLISION;
}
}
}
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_14) {
vehicle->velocity -= vehicle->velocity >> 2;
}
else {
sint32 newHeadVelocity = vehicle->velocity >> 1;
vehicle->velocity = head->velocity >> 1;
head->velocity = newHeadVelocity;
}
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_1;
return false;
}
/**
*
* rct2: 0x006DBAA6
*/
static bool vehicle_update_track_motion_backwards_get_new_track(rct_vehicle *vehicle, uint16 trackType, rct_ride* ride, rct_ride_entry* rideEntry, uint16* progress) {
_vehicleVAngleEndF64E36 = TrackDefinitions[trackType].vangle_start;
_vehicleBankEndF64E37 = TrackDefinitions[trackType].bank_start;
rct_map_element* mapElement = map_get_track_element_at_of_type_seq(
vehicle->track_x,
vehicle->track_y,
vehicle->track_z >> 3,
trackType,
0
);
bool nextTileBackwards = true;
int direction;
//loc_6DBB08:;
sint16 x = vehicle->track_x;
sint16 y = vehicle->track_y;
sint16 z = 0;
switch (vehicle->var_CD) {
case 3:
vehicle->var_CD = 1;
break;
case 7:
vehicle->var_CD = 5;
break;
case 8:
vehicle->var_CD = 6;
break;
case 2:
case 4:
vehicle->var_CD = 2;
nextTileBackwards = false;
break;
}
if (nextTileBackwards == true) {
//loc_6DBB7E:;
track_begin_end trackBeginEnd;
if (!track_block_get_previous(x, y, mapElement, &trackBeginEnd)) {
return false;
}
mapElement = trackBeginEnd.begin_element;
trackType = mapElement->properties.track.type;
if (trackType == TRACK_ELEM_LEFT_REVERSER ||
trackType == TRACK_ELEM_RIGHT_REVERSER) {
return false;
}
int trackColour = ((vehicle->update_flags >> 9) ^ mapElement->properties.track.colour) & 4;
int bank = TrackDefinitions[trackType].bank_end;
bank = track_get_actual_bank_2(ride->type, trackColour, bank);
int vAngle = TrackDefinitions[trackType].vangle_end;
if (_vehicleVAngleEndF64E36 != vAngle ||
_vehicleBankEndF64E37 != bank
) {
return false;
}
// Update VEHICLE_UPDATE_FLAG_11
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_11;
if (RideData4[ride->type].flags & RIDE_TYPE_FLAG4_3) {
if (mapElement->properties.track.colour & 4) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_11;
}
}
x = trackBeginEnd.begin_x;
y = trackBeginEnd.begin_y;
z = trackBeginEnd.begin_z;
direction = trackBeginEnd.begin_direction;
}
else {
//loc_6DBB4F:;
rct_xy_element input;
rct_xy_element output;
int outputZ;
input.x = x;
input.y = y;
input.element = mapElement;
if (!track_block_get_next(&input, &output, &outputZ, &direction)) {
return false;
}
mapElement = output.element;
x = output.x;
y = output.y;
z = outputZ;
}
//loc_6DBC3B:
vehicle->track_x = x;
vehicle->track_y = y;
vehicle->track_z = z;
if (vehicle->var_CD != 0 &&
vehicle->var_CD < 5
) {
uint16 xy = (x >> 5) | ((y >> 5) << 8);
if (ride->chairlift_bullwheel_location[1].xy == xy &&
ride->chairlift_bullwheel_z[1] == (z >> 3)
) {
vehicle->var_CD = 3;
}
else if (
ride->chairlift_bullwheel_location[0].xy == xy &&
ride->chairlift_bullwheel_z[1] == (z >> 3)
) {
vehicle->var_CD = 4;
}
}
if (track_element_is_lift_hill(mapElement)) {
if (_vehicleVelocityF64E08 < 0) {
if (vehicle->next_vehicle_on_train == SPRITE_INDEX_NULL) {
trackType = mapElement->properties.track.type;
if (!(TrackFlags[trackType] & TRACK_ELEM_FLAG_DOWN)) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_9;
}
}
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_0;
}
}
else {
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_0) {
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_0;
if (vehicle->next_vehicle_on_train == SPRITE_INDEX_NULL) {
if (_vehicleVelocityF64E08 < 0) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_8;
}
}
}
}
trackType = mapElement->properties.track.type;
if (trackType != TRACK_ELEM_BRAKES) {
vehicle->target_seat_rotation = mapElement->properties.track.colour >> 4;
}
direction &= 3;
vehicle->track_type = trackType << 2;
vehicle->track_direction |= direction;
vehicle->break_speed = (mapElement->properties.track.sequence >> 4) << 1;
// There are two bytes before the move info list
uint16 trackTotalProgress = vehicle_get_move_info_size(vehicle->var_CD, vehicle->track_type);
*progress = trackTotalProgress - 1;
return true;
}
/**
*
* rct2: 0x006DBA33
*/
static bool vehicle_update_track_motion_backwards(rct_vehicle *vehicle, rct_ride_entry_vehicle* vehicleEntry, rct_ride* ride, rct_ride_entry* rideEntry) {
registers regs = { 0 };
loc_6DBA33:;
uint16 trackType = vehicle->track_type >> 2;
if (trackType == TRACK_ELEM_FLAT && ride->type == RIDE_TYPE_REVERSE_FREEFALL_COASTER) {
sint32 unkVelocity = _vehicleVelocityF64E08;
if (unkVelocity < -524288) {
unkVelocity = abs(unkVelocity);
vehicle->acceleration = unkVelocity * 2;
}
}
if (trackType == TRACK_ELEM_BRAKES) {
regs.eax = -(vehicle->break_speed << 16);
if (regs.eax > _vehicleVelocityF64E08) {
regs.eax = _vehicleVelocityF64E08 * -16;
vehicle->acceleration = regs.eax;
}
}
regs.ax = vehicle->track_progress - 1;
if (regs.ax == -1) {
if (!vehicle_update_track_motion_backwards_get_new_track(vehicle, trackType, ride, rideEntry, (uint16 *)&regs.ax)) {
goto loc_6DBE5E;
}
}
// loc_6DBD42
vehicle->track_progress = regs.ax;
const rct_vehicle_info* moveInfo = vehicle_get_move_info(
vehicle->var_CD,
vehicle->track_type,
vehicle->track_progress
);
sint16 x = vehicle->track_x + moveInfo->x;
sint16 y = vehicle->track_y + moveInfo->y;
sint16 z = vehicle->track_z + moveInfo->z + RideData5[ride->type].z_offset;
regs.ebx = 0;
if (x != unk_F64E20.x) { regs.ebx |= 1; }
if (y != unk_F64E20.y) { regs.ebx |= 2; }
if (z != unk_F64E20.z) { regs.ebx |= 4; }
vehicle->remaining_distance += dword_9A2930[regs.ebx];
unk_F64E20.x = x;
unk_F64E20.y = y;
unk_F64E20.z = z;
vehicle->sprite_direction = moveInfo->direction;
vehicle->bank_rotation = moveInfo->bank_rotation;
regs.ebx = moveInfo->vehicle_sprite_type;
vehicle->vehicle_sprite_type = regs.bl;
if ((vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_9) && regs.bl != 0) {
vehicle->var_4A = 0;
vehicle->swinging_car_var_0 = 0;
vehicle->var_4E = 0;
}
if (vehicle == _vehicleFrontVehicle) {
if (_vehicleVelocityF64E08 < 0) {
regs.bp = vehicle->next_vehicle_on_ride;
if (vehicle_update_motion_collision_detection(vehicle, x, y, z, (uint16*)&regs.bp)) {
goto loc_6DBE7F;
}
}
}
// loc_6DBE3F
if ((sint32)vehicle->remaining_distance >= 0) {
return true;
}
regs.ebx = dword_9A2970[regs.ebx];
vehicle->acceleration += regs.ebx;
_vehicleUnkF64E10++;
goto loc_6DBA33;
loc_6DBE5E:
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_5;
regs.eax = vehicle->remaining_distance - 0x368A;
_vehicleVelocityF64E0C -= regs.eax;
vehicle->remaining_distance -= regs.eax;
regs.ebx = vehicle->vehicle_sprite_type;
return false;
loc_6DBE7F:
regs.eax = vehicle->remaining_distance - 0x368A;
_vehicleVelocityF64E0C -= regs.eax;
vehicle->remaining_distance -= regs.eax;
rct_vehicle *v3 = GET_VEHICLE(regs.bp);
rct_vehicle *v4 = gCurrentVehicle;
regs.eax = abs(v4->velocity - v3->velocity);
if (!(rideEntry->flags & RIDE_ENTRY_FLAG_18)) {
if (regs.eax > 0xE0000) {
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_6)) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_COLLISION;
}
}
}
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_14) {
vehicle->velocity -= vehicle->velocity >> 2;
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_2;
}
else {
sint32 v3Velocity = v3->velocity;
v3->velocity = v4->velocity >> 1;
v4->velocity = v3Velocity >> 1;
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_2;
}
return false;
}
extern const uint8 mini_golf_peep_animation_lengths[];
/**
* rct2: 0x006DC3A7
*
*
*/
static int vehicle_update_track_motion_mini_golf(rct_vehicle *vehicle, int* outStation) {
registers regs = { 0 };
rct_ride *ride = get_ride(vehicle->ride);
rct_ride_entry *rideEntry = get_ride_entry(vehicle->ride_subtype);
rct_ride_entry_vehicle *vehicleEntry = vehicle_get_vehicle_entry(vehicle);
rct_map_element *mapElement = NULL;
gCurrentVehicle = vehicle;
_vehicleMotionTrackFlags = 0;
vehicle->velocity += vehicle->acceleration;
_vehicleVelocityF64E08 = vehicle->velocity;
_vehicleVelocityF64E0C = (vehicle->velocity >> 10) * 42;
if (_vehicleVelocityF64E08 < 0) {
vehicle = vehicle_get_tail(vehicle);
}
_vehicleFrontVehicle = vehicle;
loc_6DC40E:
regs.ebx = vehicle->vehicle_sprite_type;
_vehicleUnkF64E10 = 1;
vehicle->acceleration = dword_9A2970[vehicle->vehicle_sprite_type];
vehicle->remaining_distance = _vehicleVelocityF64E0C + vehicle->remaining_distance;
if ((sint32)vehicle->remaining_distance < 0) {
goto loc_6DCA7A;
}
if ((sint32)vehicle->remaining_distance < 0x368A) {
goto loc_6DCE02;
}
vehicle->var_B8 &= ~(1 << 1);
unk_F64E20.x = vehicle->x;
unk_F64E20.y = vehicle->y;
unk_F64E20.z = vehicle->z;
vehicle_invalidate(vehicle);
loc_6DC462:
if (vehicle->var_D3 == 0) {
goto loc_6DC476;
}
vehicle->var_D3--;
goto loc_6DC985;
loc_6DC476:
if (vehicle->mini_golf_flags & (1 << 2)) {
uint8 nextFrame = vehicle->var_C5 + 1;
if (nextFrame < mini_golf_peep_animation_lengths[vehicle->mini_golf_current_animation]) {
vehicle->var_C5 = nextFrame;
goto loc_6DC985;
}
vehicle->mini_golf_flags &= ~(1 << 2);
}
if (vehicle->mini_golf_flags & (1 << 0)) {
regs.di = vehicle->is_child ? vehicle->prev_vehicle_on_ride : vehicle->next_vehicle_on_ride;
rct_vehicle *vEDI = GET_VEHICLE(regs.di);
if (!(vEDI->mini_golf_flags & (1 << 0)) || (vEDI->mini_golf_flags & (1 << 2))) {
goto loc_6DC985;
}
if (vEDI->var_D3 != 0) {
goto loc_6DC985;
}
vEDI->mini_golf_flags &= ~(1 << 0);
vehicle->mini_golf_flags &= ~(1 << 0);
}
if (vehicle->mini_golf_flags & (1 << 1)) {
regs.di = vehicle->is_child ? vehicle->prev_vehicle_on_ride : vehicle->next_vehicle_on_ride;
rct_vehicle *vEDI = GET_VEHICLE(regs.di);
if (!(vEDI->mini_golf_flags & (1 << 1)) || (vEDI->mini_golf_flags & (1 << 2))) {
goto loc_6DC985;
}
if (vEDI->var_D3 != 0) {
goto loc_6DC985;
}
vEDI->mini_golf_flags &= ~(1 << 1);
vehicle->mini_golf_flags &= ~(1 << 1);
}
if (vehicle->mini_golf_flags & (1 << 3)) {
rct_vehicle *vEDI = vehicle;
for (;;) {
vEDI = GET_VEHICLE(vEDI->prev_vehicle_on_ride);
if (vEDI == vehicle) {
break;
}
if (!vEDI->is_child) continue;
if (!(vEDI->mini_golf_flags & (1 << 4))) continue;
if (vEDI->track_x != vehicle->track_x) continue;
if (vEDI->track_y != vehicle->track_y) continue;
if (vEDI->track_z != vehicle->track_z) continue;
goto loc_6DC985;
}
vehicle->mini_golf_flags |= (1 << 4);
vehicle->mini_golf_flags &= ~(1 << 3);
}
// loc_6DC5B8
const rct_vehicle_info* moveInfo = vehicle_get_move_info(vehicle->var_CD, vehicle->track_type, 0);
// There are two bytes before the move info list
{
uint16 unk16_v34 = vehicle->track_progress + 1;
uint16 unk16 = vehicle_get_move_info_size(vehicle->var_CD, vehicle->track_type);
if (unk16_v34 < unk16) {
regs.ax = unk16_v34;
goto loc_6DC743;
}
}
uint16 trackType = vehicle->track_type >> 2;
_vehicleVAngleEndF64E36 = TrackDefinitions[trackType].vangle_end;
_vehicleBankEndF64E37 = TrackDefinitions[trackType].bank_end;
mapElement = map_get_track_element_at_of_type_seq(
vehicle->track_x, vehicle->track_y, vehicle->track_z >> 3,
trackType, 0
);
sint16 x, y, z;
int direction;
{
rct_xy_element input, output;
int outZ, outDirection;
input.x = vehicle->track_x;
input.y = vehicle->track_y;
input.element = mapElement;
if (!track_block_get_next(&input, &output, &outZ, &outDirection)) {
goto loc_6DC9BC;
}
mapElement = output.element;
x = output.x;
y = output.y;
z = outZ;
direction = outDirection;
}
if (!loc_6DB38B(vehicle, mapElement)) {
goto loc_6DC9BC;
}
int rideType = get_ride(mapElement->properties.track.ride_index)->type;
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_11;
if (RideData4[rideType].flags & RIDE_TYPE_FLAG4_3) {
if (mapElement->properties.track.colour & (1 << 2)) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_11;
}
}
vehicle->track_x = x;
vehicle->track_y = y;
vehicle->track_z = z;
if (vehicle->is_child) {
rct_vehicle *prevVehicle = GET_VEHICLE(vehicle->prev_vehicle_on_ride);
regs.al = prevVehicle->var_CD;
if (regs.al != 9) {
regs.al--;
}
vehicle->var_CD = regs.al;
}
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_0;
vehicle->track_type = (mapElement->properties.track.type << 2) | (direction & 3);
vehicle->var_CF = (mapElement->properties.track.sequence >> 4) << 1;
regs.ax = 0;
loc_6DC743:
vehicle->track_progress = regs.ax;
if (vehicle->is_child) {
vehicle->var_C5++;
if (vehicle->var_C5 >= 6) {
vehicle->var_C5 = 0;
}
}
for (;;) {
moveInfo = vehicle_get_move_info(vehicle->var_CD, vehicle->track_type, vehicle->track_progress);
if (moveInfo->x != (sint16)0x8000) {
break;
}
switch (moveInfo->y) {
case 0: // loc_6DC7B4
if (vehicle->is_child) {
vehicle->mini_golf_flags |= (1 << 3);
}
else {
uint16 rand16 = scenario_rand() & 0xFFFF;
regs.bl = 14;
if (rand16 <= 0xA000) {
regs.bl = 12;
if (rand16 <= 0x900) {
regs.bl = 10;
}
}
vehicle->var_CD = regs.bl;
}
vehicle->track_progress++;
break;
case 1: // loc_6DC7ED
vehicle->var_D3 = (uint8)moveInfo->z;
vehicle->track_progress++;
break;
case 2: // loc_6DC800
vehicle->mini_golf_flags |= (1 << 0);
vehicle->track_progress++;
break;
case 3: // loc_6DC810
vehicle->mini_golf_flags |= (1 << 1);
vehicle->track_progress++;
break;
case 4: // loc_6DC820
z = moveInfo->z;
if (z == 2) {
rct_peep *peep = GET_PEEP(vehicle->peep[0]);
if (peep->id & 7) {
z = 7;
}
}
if (z == 6) {
rct_peep *peep = GET_PEEP(vehicle->peep[0]);
if (peep->id & 7) {
z = 8;
}
}
vehicle->mini_golf_current_animation = (uint8)z;
vehicle->var_C5 = 0;
vehicle->track_progress++;
break;
case 5: // loc_6DC87A
vehicle->mini_golf_flags |= (1 << 2);
vehicle->track_progress++;
break;
case 6: // loc_6DC88A
vehicle->mini_golf_flags &= ~(1 << 4);
vehicle->mini_golf_flags |= (1 << 5);
vehicle->track_progress++;
break;
default:
log_error("Invalid move info...");
assert(false);
break;
}
}
// loc_6DC8A1
x = vehicle->track_x + moveInfo->x;
y = vehicle->track_y + moveInfo->y;
z = vehicle->track_z + moveInfo->z + RideData5[ride->type].z_offset;
// Investigate redundant code
regs.ebx = 0;
if (regs.ax != unk_F64E20.x) {
regs.ebx |= 1;
}
if (regs.cx == unk_F64E20.y) {
regs.ebx |= 2;
}
if (regs.dx == unk_F64E20.z) {
regs.ebx |= 4;
}
regs.ebx = 0x368A;
vehicle->remaining_distance -= regs.ebx;
if ((sint32)vehicle->remaining_distance < 0) {
vehicle->remaining_distance = 0;
}
unk_F64E20.x = x;
unk_F64E20.y = y;
unk_F64E20.z = z;
vehicle->sprite_direction = moveInfo->direction;
vehicle->bank_rotation = moveInfo->bank_rotation;
vehicle->vehicle_sprite_type = moveInfo->vehicle_sprite_type;
if (rideEntry->vehicles[0].flags_b & VEHICLE_ENTRY_FLAG_B_9) {
if (vehicle->vehicle_sprite_type != 0) {
vehicle->var_4A = 0;
vehicle->swinging_car_var_0 = 0;
vehicle->var_4E = 0;
}
}
if (vehicle == _vehicleFrontVehicle) {
if (_vehicleVelocityF64E08 >= 0) {
regs.bp = vehicle->prev_vehicle_on_ride;
vehicle_update_motion_collision_detection(vehicle, x, y, z, (uint16*)&regs.bp);
}
}
goto loc_6DC99A;
loc_6DC985:
regs.ebx = 0;
vehicle->remaining_distance -= 0x368A;
if ((sint32)vehicle->remaining_distance < 0) {
vehicle->remaining_distance = 0;
}
loc_6DC99A:
if ((sint32)vehicle->remaining_distance < 0x368A) {
goto loc_6DCDE4;
}
vehicle->acceleration = dword_9A2970[vehicle->vehicle_sprite_type];
_vehicleUnkF64E10++;
goto loc_6DC462;
loc_6DC9BC:
_vehicleMotionTrackFlags |= 0x20;
regs.eax = vehicle->remaining_distance + 1;
_vehicleVelocityF64E0C -= regs.eax;
vehicle->remaining_distance -= regs.eax;
regs.ebx = vehicle->vehicle_sprite_type;
goto loc_6DCD2B;
/////////////////////////////////////////
// Dead code: 0x006DC9D9 to 0x006DCA79 //
/////////////////////////////////////////
loc_6DCA7A:
vehicle->var_B8 &= ~(1 << 1);
unk_F64E20.x = vehicle->x;
unk_F64E20.y = vehicle->y;
unk_F64E20.z = vehicle->z;
vehicle_invalidate(vehicle);
loc_6DCA9A:
regs.ax = vehicle->track_progress - 1;
if (regs.ax != (short)0xFFFF) {
goto loc_6DCC2C;
}
trackType = vehicle->track_type >> 2;
_vehicleVAngleEndF64E36 = TrackDefinitions[trackType].vangle_end;
_vehicleBankEndF64E37 = TrackDefinitions[trackType].bank_end;
mapElement = map_get_track_element_at_of_type_seq(
vehicle->track_x, vehicle->track_y, vehicle->track_z >> 3,
trackType, 0
);
{
track_begin_end trackBeginEnd;
if (!track_block_get_previous(vehicle->track_x, vehicle->track_y, mapElement, &trackBeginEnd)) {
goto loc_6DC9BC;
}
x = trackBeginEnd.begin_x;
y = trackBeginEnd.begin_y;
z = trackBeginEnd.begin_z;
direction = trackBeginEnd.begin_direction;
mapElement = trackBeginEnd.begin_element;
}
if (!loc_6DB38B(vehicle, mapElement)) {
goto loc_6DCD4A;
}
rideType = get_ride(mapElement->properties.track.ride_index)->type;
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_11;
if (RideData4[rideType].flags & RIDE_TYPE_FLAG4_3) {
if (mapElement->properties.track.colour & (1 << 2)) {
vehicle->update_flags |= VEHICLE_UPDATE_FLAG_11;
}
}
vehicle->track_x = x;
vehicle->track_y = y;
vehicle->track_z = z;
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_0) {
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_0;
if (vehicle->next_vehicle_on_train == SPRITE_INDEX_NULL) {
if (_vehicleVelocityF64E08 < 0) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_8;
}
}
}
vehicle->track_type = (mapElement->properties.track.type << 2) | (direction & 3);
vehicle->var_CF = (mapElement->properties.track.colour >> 4) << 1;
moveInfo = vehicle_get_move_info(vehicle->var_CD, vehicle->track_type, 0);
// There are two bytes before the move info list
regs.ax = vehicle_get_move_info_size(vehicle->var_CD, vehicle->track_type);
loc_6DCC2C:
vehicle->track_progress = regs.ax;
moveInfo = vehicle_get_move_info(vehicle->var_CD, vehicle->track_type, vehicle->track_progress);
x = vehicle->track_x + moveInfo->x;
y = vehicle->track_y + moveInfo->y;
z = vehicle->track_z + moveInfo->z + RideData5[ride->type].z_offset;
// Investigate redundant code
regs.ebx = 0;
if (regs.ax != unk_F64E20.x) {
regs.ebx |= 1;
}
if (regs.cx == unk_F64E20.y) {
regs.ebx |= 2;
}
if (regs.dx == unk_F64E20.z) {
regs.ebx |= 4;
}
regs.ebx = 0x368A;
vehicle->remaining_distance -= regs.ebx;
if ((sint32)vehicle->remaining_distance < 0) {
vehicle->remaining_distance = 0;
}
unk_F64E20.x = x;
unk_F64E20.y = y;
unk_F64E20.z = z;
vehicle->sprite_direction = moveInfo->direction;
vehicle->bank_rotation = moveInfo->bank_rotation;
vehicle->vehicle_sprite_type = moveInfo->vehicle_sprite_type;
if (rideEntry->vehicles[0].flags_b & VEHICLE_ENTRY_FLAG_B_9) {
if (vehicle->vehicle_sprite_type != 0) {
vehicle->var_4A = 0;
vehicle->swinging_car_var_0 = 0;
vehicle->var_4E = 0;
}
}
if (vehicle == _vehicleFrontVehicle) {
if (_vehicleVelocityF64E08 >= 0) {
regs.bp = vehicle->var_44;
if (vehicle_update_motion_collision_detection(vehicle, x, y, z, (uint16*)&regs.bp)) {
goto loc_6DCD6B;
}
}
}
loc_6DCD2B:
if (vehicle->remaining_distance >= 0) {
goto loc_6DCDE4;
}
vehicle->acceleration += dword_9A2970[vehicle->vehicle_sprite_type];
_vehicleUnkF64E10++;
goto loc_6DCA9A;
loc_6DCD4A:
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_5;
regs.eax = vehicle->remaining_distance - 0x368A;
_vehicleVelocityF64E0C -= regs.eax;
vehicle->remaining_distance -= regs.eax;
regs.ebx = vehicle->vehicle_sprite_type;
goto loc_6DC99A;
loc_6DCD6B:
regs.eax = vehicle->remaining_distance - 0x368A;
_vehicleVelocityF64E0C -= regs.eax;
vehicle->remaining_distance -= regs.eax;
rct_vehicle *vEBP = GET_VEHICLE(regs.bp);
rct_vehicle *vEDI = gCurrentVehicle;
regs.eax = abs(vEDI->velocity - vEBP->velocity);
if (regs.eax > 0xE0000) {
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_6)) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_COLLISION;
}
}
vEDI->velocity = vEBP->velocity >> 1;
vEBP->velocity = vEDI->velocity >> 1;
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_2;
goto loc_6DC99A;
loc_6DCDE4:
sprite_move(unk_F64E20.x, unk_F64E20.y, unk_F64E20.z, (rct_sprite*)vehicle);
vehicle_invalidate(vehicle);
loc_6DCE02:
vehicle->acceleration /= _vehicleUnkF64E10;
if (vehicle->var_CD == 2) {
goto loc_6DCEB2;
}
trackType = vehicle->track_type >> 2;
if (!(TrackSequenceProperties[trackType][0] & TRACK_SEQUENCE_FLAG_ORIGIN)) {
goto loc_6DCEB2;
}
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_3;
if (trackType != TRACK_ELEM_END_STATION) {
goto loc_6DCEB2;
}
if (vehicle != gCurrentVehicle) {
goto loc_6DCEB2;
}
regs.ax = vehicle->track_progress;
if (_vehicleVelocityF64E08 < 0) {
goto loc_6DCE62;
}
regs.cx = 8;
if (regs.ax > regs.cx) {
goto loc_6DCE68;
}
goto loc_6DCEB2;
loc_6DCE62:
if (regs.ax > 11) {
goto loc_6DCEB2;
}
loc_6DCE68:
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_AT_STATION;
regs.al = vehicle->track_x >> 5;
regs.ah = vehicle->track_y >> 5;
regs.dl = vehicle->track_z >> 3;
for (int i = 0; i < 4; i++) {
if ((uint16)regs.ax != ride->station_starts[i]) {
continue;
}
if ((uint16)regs.dl != ride->station_heights[i]) {
continue;
}
_vehicleStationIndex = i;
}
loc_6DCEB2:
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_0) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_ON_LIFT_HILL;
}
if (_vehicleVelocityF64E08 >= 0) {
regs.si = vehicle->next_vehicle_on_train;
if ((uint16)regs.si == SPRITE_INDEX_NULL) {
goto loc_6DCEFF;
}
vehicle = GET_VEHICLE((uint16)regs.si);
goto loc_6DC40E;
}
if (vehicle == gCurrentVehicle) {
goto loc_6DCEFF;
}
vehicle = GET_VEHICLE(vehicle->prev_vehicle_on_ride);
goto loc_6DC40E;
loc_6DCEFF:
vehicle = gCurrentVehicle;
regs.eax = 0;
regs.ebp = 0;
regs.dx = 0;
regs.ebx = 0;
for (;;) {
regs.ebx++;
regs.dx |= vehicle->update_flags;
regs.bp += vehicle->friction;
regs.eax += vehicle->acceleration;
regs.si = vehicle->next_vehicle_on_train;
if ((uint16)regs.si == SPRITE_INDEX_NULL) {
break;
}
vehicle = GET_VEHICLE((uint16)regs.si);
}
vehicle = gCurrentVehicle;
regs.eax /= regs.ebx;
regs.ecx = (regs.eax * 21) >> 9;
regs.eax = vehicle->velocity >> 12;
regs.ecx -= regs.eax;
regs.ebx = vehicle->velocity;
regs.edx = vehicle->velocity >> 8;
regs.edx *= regs.edx;
if (regs.ebx < 0) {
regs.edx = -regs.edx;
}
regs.edx >>= 4;
regs.eax = regs.edx / regs.ebp;
regs.ecx -= regs.eax;
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_3)) {
goto loc_6DD069;
}
if (vehicleEntry->flags_a & VEHICLE_ENTRY_FLAG_A_0) {
regs.eax = vehicle->speed * 0x4000;
if (regs.eax < vehicle->velocity) {
goto loc_6DD069;
}
}
regs.eax = vehicle->speed;
regs.bx = vehicle->track_type >> 2;
regs.ebx = regs.eax;
regs.eax <<= 14;
regs.ebx *= regs.ebp;
regs.ebx >>= 2;
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_3) {
regs.eax = -regs.eax;
}
regs.eax -= vehicle->velocity;
regs.edx = vehicle->powered_acceleration;
regs.edx <<= 1;
regs.eax *= regs.edx;
regs.eax = regs.eax / regs.ebx;
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_13)) {
goto loc_6DD054;
}
if (regs.eax < 0) {
regs.eax >>= 4;
}
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_SPINNING) {
vehicle->var_B6 = clamp(-0x200, (sint16)vehicle->var_B6, 0x200);
}
if (vehicle->vehicle_sprite_type != 0) {
regs.eax = max(0, regs.eax);
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_SPINNING) {
if (vehicle->vehicle_sprite_type == 2) {
vehicle->var_B6 = 0;
}
}
}
else {
loc_6DD054:
regs.ebx = abs(vehicle->velocity);
if (regs.ebx > 0x10000) {
regs.ecx = 0;
}
}
regs.ecx += regs.eax;
loc_6DD069:
vehicle->acceleration = regs.ecx;
regs.eax = _vehicleMotionTrackFlags;
regs.ebx = _vehicleStationIndex;
if (outStation != NULL) *outStation = regs.ebx;
return regs.eax;
}
/**
*
* rct2: 0x006DAB4C
*/
int vehicle_update_track_motion(rct_vehicle *vehicle, int *outStation)
{
registers regs = { 0 };
rct_ride *ride = get_ride(vehicle->ride);
rct_ride_entry *rideEntry = get_ride_entry(vehicle->ride_subtype);
rct_ride_entry_vehicle *vehicleEntry = vehicle_get_vehicle_entry(vehicle);
if (vehicleEntry->flags_a & VEHICLE_ENTRY_FLAG_A_MINI_GOLF) {
return vehicle_update_track_motion_mini_golf(vehicle, outStation);
}
_vehicleF64E2C = 0;
gCurrentVehicle = vehicle;
_vehicleMotionTrackFlags = 0;
_vehicleStationIndex = 0xFF;
vehicle_update_track_motion_up_stop_check(vehicle);
check_and_apply_block_section_stop_site(vehicle);
update_velocity(vehicle);
if (_vehicleVelocityF64E08 < 0) {
vehicle = vehicle_get_tail(vehicle);
}
// This will be the front vehicle even when traveling
// backwards.
_vehicleFrontVehicle = vehicle;
uint16 spriteId = vehicle->sprite_index;
while (spriteId != 0xFFFF) {
rct_vehicle* car = GET_VEHICLE(spriteId);
vehicleEntry = vehicle_get_vehicle_entry(car);
// Swinging cars
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_SWINGING) {
vehicle_update_swinging_car(car);
}
// Spinning cars
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_SPINNING) {
vehicle_update_spinning_car(car);
}
// Rider sprites?? animation??
if ((vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_7) || (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_8)) {
sub_6D63D4(car);
}
car->acceleration = dword_9A2970[car->vehicle_sprite_type];
_vehicleUnkF64E10 = 1;
regs.eax = _vehicleVelocityF64E0C + car->remaining_distance;
car->remaining_distance = regs.eax;
car->var_B8 &= ~(1 << 1);
unk_F64E20.x = car->x;
unk_F64E20.y = car->y;
unk_F64E20.z = car->z;
invalidate_sprite_2((rct_sprite*)car);
while (true) {
if (car->remaining_distance < 0) {
// Backward loop
if (vehicle_update_track_motion_backwards(car, vehicleEntry, ride, rideEntry)) {
break;
}
else {
if (car->remaining_distance < 0x368A) {
break;
}
regs.ebx = dword_9A2970[car->vehicle_sprite_type];
car->acceleration += regs.ebx;
_vehicleUnkF64E10++;
continue;
}
}
if (car->remaining_distance < 0x368A) {
// Location found
goto loc_6DBF3E;
}
if (vehicle_update_track_motion_forwards(car, vehicleEntry, ride, rideEntry)) {
break;
}
else {
if (car->remaining_distance >= 0) {
break;
}
regs.ebx = dword_9A2970[car->vehicle_sprite_type];
car->acceleration = regs.ebx;
_vehicleUnkF64E10++;
continue;
}
}
// loc_6DBF20
sprite_move(unk_F64E20.x, unk_F64E20.y, unk_F64E20.z, (rct_sprite*)car);
invalidate_sprite_2((rct_sprite*)car);
loc_6DBF3E:
sub_6DBF3E(car);
// loc_6DC0F7
if (car->update_flags & VEHICLE_UPDATE_FLAG_0) {
_vehicleMotionTrackFlags |= VEHICLE_UPDATE_MOTION_TRACK_FLAG_VEHICLE_ON_LIFT_HILL;
}
if (_vehicleVelocityF64E08 >= 0) {
spriteId = car->next_vehicle_on_train;
}
else {
if (car == gCurrentVehicle) {
break;
}
spriteId = car->prev_vehicle_on_ride;
}
}
// loc_6DC144
vehicle = gCurrentVehicle;
vehicleEntry = vehicle_get_vehicle_entry(vehicle);
//eax
sint32 totalAcceleration = 0;
//ebp
sint32 totalFriction = 0;
//Not used
regs.dx = 0;
//ebx
int numVehicles = 0;
for (;;) {
numVehicles++;
// Not used?
regs.dx |= vehicle->update_flags;
totalFriction += vehicle->friction;
totalAcceleration += vehicle->acceleration;
uint16 spriteIndex = vehicle->next_vehicle_on_train;
if (spriteIndex == SPRITE_INDEX_NULL) {
break;
}
vehicle = GET_VEHICLE(spriteIndex);
}
vehicle = gCurrentVehicle;
regs.eax = (totalAcceleration / numVehicles) * 21;
if (regs.eax < 0) {
regs.eax += 511;
}
regs.eax >>= 9;
regs.ecx = regs.eax;
regs.eax = vehicle->velocity;
if (regs.eax < 0) {
regs.eax = -regs.eax;
regs.eax >>= 12;
regs.eax = -regs.eax;
} else {
regs.eax >>= 12;
}
regs.ecx -= regs.eax;
regs.edx = vehicle->velocity;
regs.ebx = regs.edx;
regs.edx >>= 8;
regs.edx *= regs.edx;
if (regs.ebx < 0) {
regs.edx = -regs.edx;
}
regs.edx >>= 4;
regs.eax = regs.edx;
// OpenRCT2: vehicles from different track types can have 0 friction.
if (totalFriction != 0) {
regs.eax = regs.eax / totalFriction;
}
regs.ecx -= regs.eax;
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_3)) {
goto loc_6DC2FA;
}
if (vehicleEntry->flags_a & VEHICLE_ENTRY_FLAG_A_0) {
regs.eax = vehicle->speed * 0x4000;
if (regs.eax < vehicle->velocity) {
goto loc_6DC2FA;
}
}
regs.eax = vehicle->speed;
uint16 trackType = vehicle->track_direction >> 2;
if (trackType == TRACK_ELEM_LEFT_QUARTER_TURN_1_TILE) {
goto loc_6DC22F;
}
if (trackType != TRACK_ELEM_RIGHT_QUARTER_TURN_1_TILE) {
goto loc_6DC23A;
}
if (vehicle->var_CD == 6) {
goto loc_6DC238;
}
loc_6DC226:
regs.ebx = regs.eax >> 2;
regs.eax -= regs.ebx;
goto loc_6DC23A;
loc_6DC22F:
if (vehicle->var_CD != 5) {
goto loc_6DC226;
}
loc_6DC238:
regs.eax >>= 1;
loc_6DC23A:
regs.ebx = regs.eax;
regs.eax <<= 14;
regs.ebx *= totalFriction;
regs.ebx >>= 2;
if (vehicle->update_flags & VEHICLE_UPDATE_FLAG_3) {
regs.eax = -regs.eax;
}
regs.eax -= vehicle->velocity;
regs.edx = vehicle->powered_acceleration;
regs.edx <<= 1;
regs.eax *= regs.edx;
if (regs.ebx != 0) {
regs.eax /= regs.ebx;
}
if (vehicleEntry->flags_a & VEHICLE_ENTRY_FLAG_A_15) {
regs.eax *= 4;
}
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_13)) {
goto loc_6DC2E3;
}
if (regs.eax < 0) {
regs.eax >>= 4;
}
if (vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_SPINNING) {
regs.bx = vehicle->var_B6;
if (regs.bx > 512) {
regs.bx = 512;
}
if (regs.bx < -512) {
regs.bx = -512;
}
vehicle->var_B6 = regs.bx;
}
if (vehicle->vehicle_sprite_type != 0) {
if (regs.eax < 0) {
regs.eax = 0;
}
if (!(vehicleEntry->flags_b & VEHICLE_ENTRY_FLAG_B_SPINNING)) {
if (vehicle->vehicle_sprite_type == 2) {
vehicle->var_B6 = 0;
}
}
goto loc_6DC2F6;
}
loc_6DC2E3:
regs.ebx = vehicle->velocity;
if (regs.ebx < 0) {
regs.ebx = -regs.ebx;
}
if (regs.ebx <= 0x10000) {
regs.ecx = 0;
}
loc_6DC2F6:
regs.ecx += regs.eax;
goto loc_6DC316;
loc_6DC2FA:
if (regs.ecx <= 0) {
if (regs.ecx >= -500) {
if (vehicle->velocity <= 0x8000) {
regs.ecx += 400;
}
}
}
loc_6DC316:
regs.bx = vehicle->track_type >> 2;
if (regs.bx == TRACK_ELEM_WATER_SPLASH) {
if (vehicle->track_progress >= 48 &&
vehicle->track_progress <= 128
) {
regs.eax = vehicle->velocity >> 6;
regs.ecx -= regs.eax;
}
}
if (rideEntry->flags & RIDE_ENTRY_FLAG_9) {
if (!vehicle->is_child) {
regs.bx = vehicle->track_type >> 2;
if (track_element_is_covered(regs.bx)) {
if (vehicle->velocity > 0x20000) {
regs.eax = vehicle->velocity >> 6;
regs.ecx -= regs.eax;
}
}
}
}
vehicle->acceleration = regs.ecx;
regs.eax = _vehicleMotionTrackFlags;
regs.ebx = _vehicleStationIndex;
// hook_setreturnregisters(&regs);
if (outStation != NULL) *outStation = regs.ebx;
return regs.eax;
}
rct_ride_entry_vehicle *vehicle_get_vehicle_entry(rct_vehicle *vehicle)
{
rct_ride_entry *rideEntry = get_ride_entry(vehicle->ride_subtype);
return &rideEntry->vehicles[vehicle->vehicle_type];
}
int vehicle_get_total_num_peeps(rct_vehicle *vehicle)
{
uint16 spriteIndex;
int numPeeps = 0;
for (;;) {
numPeeps += vehicle->num_peeps;
spriteIndex = vehicle->next_vehicle_on_train;
if (spriteIndex == SPRITE_INDEX_NULL)
break;
vehicle = &(get_sprite(spriteIndex)->vehicle);
}
return numPeeps;
}
/**
*
* rct2: 0x006DA1EC
*/
void vehicle_invalidate_window(rct_vehicle *vehicle)
{
int viewVehicleIndex;
rct_ride *ride;
rct_window *w;
w = window_find_by_number(WC_RIDE, vehicle->ride);
if (w == NULL)
return;
ride = get_ride(vehicle->ride);
viewVehicleIndex = w->ride.view - 1;
if (viewVehicleIndex < 0 || viewVehicleIndex >= ride->num_vehicles)
return;
if (vehicle->sprite_index != ride->vehicles[viewVehicleIndex])
return;
window_invalidate(w);
}
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