OpenRCT2/src/openrct2/ride/Station.cpp

428 lines
14 KiB
C++

#pragma region Copyright (c) 2014-2017 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 "Station.h"
#include "Track.h"
#include "../scenario/Scenario.h"
#include "../world/Sprite.h"
static void ride_update_station_blocksection(Ride * ride, sint32 stationIndex);
static void ride_update_station_bumpercar(Ride * ride, sint32 stationIndex);
static void ride_update_station_normal(Ride * ride, sint32 stationIndex);
static void ride_update_station_race(Ride * ride, sint32 stationIndex);
static void ride_race_init_vehicle_speeds(Ride * ride);
static void ride_invalidate_station_start(Ride * ride, sint32 stationIndex, bool greenLight);
/**
*
* rct2: 0x006ABFFB
*/
void ride_update_station(Ride * ride, sint32 stationIndex)
{
if (ride->station_starts[stationIndex].xy == RCT_XY8_UNDEFINED)
return;
switch (ride->mode)
{
case RIDE_MODE_RACE:
ride_update_station_race(ride, stationIndex);
break;
case RIDE_MODE_BUMPERCAR:
ride_update_station_bumpercar(ride, stationIndex);
break;
case RIDE_MODE_CONTINUOUS_CIRCUIT_BLOCK_SECTIONED:
case RIDE_MODE_POWERED_LAUNCH_BLOCK_SECTIONED:
ride_update_station_blocksection(ride, stationIndex);
break;
default:
ride_update_station_normal(ride, stationIndex);
break;
}
}
/**
*
* rct2: 0x006AC0A1
*/
static void ride_update_station_blocksection(Ride * ride, sint32 stationIndex)
{
rct_tile_element * tileElement = ride_get_station_start_track_element(ride, stationIndex);
if ((ride->status == RIDE_STATUS_CLOSED && ride->num_riders == 0) || (tileElement != nullptr && tileElement->flags & 0x20))
{
ride->station_depart[stationIndex] &= ~STATION_DEPART_FLAG;
if ((ride->station_depart[stationIndex] & STATION_DEPART_FLAG) || (tileElement != nullptr && tile_element_get_green_light(tileElement)))
ride_invalidate_station_start(ride, stationIndex, false);
}
else
{
if (!(ride->station_depart[stationIndex] & STATION_DEPART_FLAG))
{
ride->station_depart[stationIndex] |= STATION_DEPART_FLAG;
ride_invalidate_station_start(ride, stationIndex, true);
}
else if (tileElement != nullptr && tile_element_get_green_light(tileElement))
{
ride_invalidate_station_start(ride, stationIndex, true);
}
}
}
/**
*
* rct2: 0x006AC12B
*/
static void ride_update_station_bumpercar(Ride * ride, sint32 stationIndex)
{
// Change of station depart flag should really call invalidate_station_start
// but since dodgems do not have station lights there is no point.
if (ride->status == RIDE_STATUS_CLOSED ||
(ride->lifecycle_flags & (RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED)))
{
ride->station_depart[stationIndex] &= ~STATION_DEPART_FLAG;
return;
}
if (ride->lifecycle_flags & RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING)
{
sint32 dx = ride->time_limit * 32;
sint32 dl = dx & 0xFF;
sint32 dh = (dx >> 8) & 0xFF;
for (size_t i = 0; i < ride->num_vehicles; i++)
{
rct_vehicle * vehicle = &(get_sprite(ride->vehicles[i])->vehicle);
if (vehicle->var_CE < dh || (vehicle->var_CE < dh && vehicle->sub_state > dl))
continue;
// End match
ride->lifecycle_flags &= ~RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING;
ride->station_depart[stationIndex] &= ~STATION_DEPART_FLAG;
return;
}
// Continue match
ride->station_depart[stationIndex] |= STATION_DEPART_FLAG;
}
else
{
// Check if all vehicles are ready to go
for (size_t i = 0; i < ride->num_vehicles; i++)
{
rct_vehicle * vehicle = &(get_sprite(ride->vehicles[i])->vehicle);
if (vehicle->status != VEHICLE_STATUS_WAITING_TO_DEPART)
{
ride->station_depart[stationIndex] &= ~STATION_DEPART_FLAG;
return;
}
}
// Begin the match
ride->lifecycle_flags |= RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING;
ride->station_depart[stationIndex] |= STATION_DEPART_FLAG;
ride->window_invalidate_flags |= RIDE_INVALIDATE_RIDE_MAIN | RIDE_INVALIDATE_RIDE_LIST;
}
}
/**
*
* rct2: 0x006AC02C
*/
static void ride_update_station_normal(Ride * ride, sint32 stationIndex)
{
sint32 time = ride->station_depart[stationIndex] & STATION_DEPART_MASK;
if ((ride->lifecycle_flags & (RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED)) ||
(ride->status == RIDE_STATUS_CLOSED && ride->num_riders == 0))
{
if (time != 0 && time != 127 && !(gCurrentTicks & 7))
time--;
ride->station_depart[stationIndex] = time;
ride_invalidate_station_start(ride, stationIndex, false);
}
else
{
if (time == 0)
{
ride->station_depart[stationIndex] |= STATION_DEPART_FLAG;
ride_invalidate_station_start(ride, stationIndex, true);
}
else
{
if (time != 127 && !(gCurrentTicks & 31))
time--;
ride->station_depart[stationIndex] = time;
ride_invalidate_station_start(ride, stationIndex, false);
}
}
}
/**
*
* rct2: 0x006AC1DF
*/
static void ride_update_station_race(Ride * ride, sint32 stationIndex)
{
if (ride->status == RIDE_STATUS_CLOSED ||
(ride->lifecycle_flags & (RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED)))
{
if (ride->station_depart[stationIndex] & STATION_DEPART_FLAG)
{
ride->station_depart[stationIndex] &= ~STATION_DEPART_FLAG;
ride_invalidate_station_start(ride, stationIndex, false);
}
return;
}
if (ride->lifecycle_flags & RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING)
{
sint32 numLaps = ride->num_laps;
for (size_t i = 0; i < ride->num_vehicles; i++)
{
rct_vehicle * vehicle = &(get_sprite(ride->vehicles[i])->vehicle);
if (vehicle->status != VEHICLE_STATUS_WAITING_TO_DEPART && vehicle->num_laps >= numLaps)
{
// Found a winner
if (vehicle->num_peeps != 0)
{
rct_peep * peep = &(get_sprite(vehicle->peep[0])->peep);
ride->race_winner = peep->sprite_index;
ride->window_invalidate_flags |= RIDE_INVALIDATE_RIDE_MAIN | RIDE_INVALIDATE_RIDE_LIST;
}
// Race is over
ride->lifecycle_flags &= ~RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING;
if (ride->station_depart[stationIndex] & STATION_DEPART_FLAG)
{
ride->station_depart[stationIndex] &= ~STATION_DEPART_FLAG;
ride_invalidate_station_start(ride, stationIndex, false);
}
return;
}
}
// Continue racing
ride->station_depart[stationIndex] |= STATION_DEPART_FLAG;
}
else
{
// Check if all vehicles are ready to go
for (size_t i = 0; i < ride->num_vehicles; i++)
{
rct_vehicle * vehicle = &(get_sprite(ride->vehicles[i])->vehicle);
if (vehicle->status != VEHICLE_STATUS_WAITING_TO_DEPART && vehicle->status != VEHICLE_STATUS_DEPARTING)
{
if (ride->station_depart[stationIndex] & STATION_DEPART_FLAG)
{
ride->station_depart[stationIndex] &= ~STATION_DEPART_FLAG;
ride_invalidate_station_start(ride, stationIndex, false);
}
return;
}
}
// Begin the race
ride_race_init_vehicle_speeds(ride);
ride->lifecycle_flags |= RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING;
if (!(ride->station_depart[stationIndex] & STATION_DEPART_FLAG))
{
ride->station_depart[stationIndex] |= STATION_DEPART_FLAG;
ride_invalidate_station_start(ride, stationIndex, true);
}
ride->window_invalidate_flags |= RIDE_INVALIDATE_RIDE_MAIN | RIDE_INVALIDATE_RIDE_LIST;
}
}
/**
*
* rct2: 0x006AC988
* set the speed of the go kart type vehicle at the start to a random value or alter if peep name is an easter egg
* @param ride (esi)
*/
static void ride_race_init_vehicle_speeds(Ride * ride)
{
for (size_t i = 0; i < ride->num_vehicles; i++)
{
rct_vehicle * vehicle = &get_sprite(ride->vehicles[i])->vehicle;
vehicle->update_flags &= ~VEHICLE_UPDATE_FLAG_6;
rct_ride_entry * rideEntry = get_ride_entry(vehicle->ride_subtype);
vehicle->speed = (scenario_rand() & 16) - 8 + rideEntry->vehicles[vehicle->vehicle_type].powered_max_speed;
if (vehicle->num_peeps != 0)
{
rct_peep * peep = &get_sprite(vehicle->peep[0])->peep;
switch (peep_get_easteregg_name_id(peep))
{
case EASTEREGG_PEEP_NAME_MICHAEL_SCHUMACHER:
vehicle->speed += 35;
break;
case EASTEREGG_PEEP_NAME_JACQUES_VILLENEUVE:
vehicle->speed += 25;
break;
case EASTEREGG_PEEP_NAME_DAMON_HILL:
vehicle->speed += 55;
break;
case EASTEREGG_PEEP_NAME_CHRIS_SAWYER:
vehicle->speed += 14;
break;
case EASTEREGG_PEEP_NAME_MR_BEAN:
vehicle->speed = 9;
break;
}
}
}
}
/**
*
* rct2: 0x006AC2C7
*/
static void ride_invalidate_station_start(Ride * ride, sint32 stationIndex, bool greenLight)
{
sint32 x = ride->station_starts[stationIndex].x * 32;
sint32 y = ride->station_starts[stationIndex].y * 32;
rct_tile_element * tileElement = ride_get_station_start_track_element(ride, stationIndex);
// If no station track found return
if (tileElement == nullptr)
return;
tile_element_set_green_light(tileElement, greenLight);
// Invalidate map tile
map_invalidate_tile_zoom1(x, y, tileElement->base_height * 8, tileElement->clearance_height * 8);
}
rct_tile_element * ride_get_station_start_track_element(Ride * ride, sint32 stationIndex)
{
sint32 x = ride->station_starts[stationIndex].x;
sint32 y = ride->station_starts[stationIndex].y;
sint32 z = ride->station_heights[stationIndex];
// Find the station track element
rct_tile_element * tileElement = map_get_first_element_at(x, y);
do
{
if (tileElement->GetType() == TILE_ELEMENT_TYPE_TRACK && z == tileElement->base_height)
return tileElement;
}
while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
}
rct_tile_element * ride_get_station_exit_element(sint32 x, sint32 y, sint32 z)
{
// Find the station track element
rct_tile_element * tileElement = map_get_first_element_at(x, y);
do
{
if (tileElement->GetType() == TILE_ELEMENT_TYPE_ENTRANCE && z == tileElement->base_height)
return tileElement;
}
while (!tile_element_is_last_for_tile(tileElement++));
return nullptr;
}
sint8 ride_get_first_valid_station_exit(Ride * ride)
{
for (sint32 i = 0; i < MAX_STATIONS; i++)
{
if (ride->exits[i].x != COORDS_NULL)
{
return i;
}
}
return -1;
}
sint8 ride_get_first_valid_station_start(const Ride * ride)
{
for (sint8 i = 0; i < MAX_STATIONS; i++)
{
if (ride->station_starts[i].xy != RCT_XY8_UNDEFINED)
{
return i;
}
}
return -1;
}
sint8 ride_get_first_empty_station_start(const Ride * ride)
{
for (sint8 i = 0; i < MAX_STATIONS; i++)
{
if (ride->station_starts[i].xy == RCT_XY8_UNDEFINED)
{
return i;
}
}
return -1;
}
TileCoordsXYZD ride_get_entrance_location(const sint32 rideIndex, const sint32 stationIndex)
{
const Ride * ride = get_ride(rideIndex);
return ride->entrances[stationIndex];
}
TileCoordsXYZD ride_get_exit_location(const sint32 rideIndex, const sint32 stationIndex)
{
const Ride * ride = get_ride(rideIndex);
return ride->exits[stationIndex];
}
TileCoordsXYZD ride_get_entrance_location(const Ride * ride, const sint32 stationIndex)
{
return ride->entrances[stationIndex];
}
TileCoordsXYZD ride_get_exit_location(const Ride * ride, const sint32 stationIndex)
{
return ride->exits[stationIndex];
}
void ride_clear_entrance_location(
Ride * ride,
const sint32 stationIndex)
{
ride->entrances[stationIndex].x = COORDS_NULL;
}
void ride_clear_exit_location(
Ride * ride,
const sint32 stationIndex)
{
ride->exits[stationIndex].x = COORDS_NULL;
}
void ride_set_entrance_location(Ride * ride, const sint32 stationIndex, const TileCoordsXYZD location)
{
ride->entrances[stationIndex] = location;
}
void ride_set_exit_location(Ride * ride, const sint32 stationIndex, const TileCoordsXYZD location)
{
ride->exits[stationIndex] = location;
}