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OpenRCT2/src/ride.c

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/*****************************************************************************
* Copyright (c) 2014 Ted John
* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
*
* This file is part of 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.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#include <windows.h>
#include "addresses.h"
#include "game.h"
#include "map.h"
#include "news_item.h"
#include "sprite.h"
#include "ride.h"
#include "sprite.h"
#include "peep.h"
#include "window.h"
#pragma region Ride classification table
const uint8 gRideClassifications[255] = {
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_SHOP_OR_STALL, RIDE_CLASS_SHOP_OR_STALL, RIDE_CLASS_SHOP_OR_STALL,
RIDE_CLASS_SHOP_OR_STALL, RIDE_CLASS_SHOP_OR_STALL, RIDE_CLASS_RIDE, RIDE_CLASS_SHOP_OR_STALL,
RIDE_CLASS_KIOSK_OR_FACILITY, RIDE_CLASS_KIOSK_OR_FACILITY, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_KIOSK_OR_FACILITY, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_KIOSK_OR_FACILITY, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_SHOP_OR_STALL, RIDE_CLASS_RIDE, RIDE_CLASS_SHOP_OR_STALL,
RIDE_CLASS_SHOP_OR_STALL, RIDE_CLASS_SHOP_OR_STALL, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE,
RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE, RIDE_CLASS_RIDE
};
#pragma endregion
rct_ride_type **gRideTypeList = RCT2_ADDRESS(0x009ACFA4, rct_ride_type*);
rct_ride* g_ride_list = RCT2_ADDRESS(RCT2_ADDRESS_RIDE_LIST, rct_ride);
int ride_get_count()
{
rct_ride *ride;
int i, count = 0;
FOR_ALL_RIDES(i, ride)
count++;
return count;
}
int ride_get_total_queue_length(rct_ride *ride)
{
int i, queueLength = 0;
for (i = 0; i < 4; i++)
if (ride->entrances[i] != 0xFFFF)
queueLength += ride->queue_length[i];
return queueLength;
}
int ride_get_max_queue_time(rct_ride *ride)
{
int i, queueTime = 0;
for (i = 0; i < 4; i++)
if (ride->entrances[i] != 0xFFFF)
queueTime = max(queueTime, ride->queue_time[i]);
return queueTime;
}
/**
*
* rct2: 0x006ACA89
*/
void ride_init_all()
{
int i;
rct_ride *ride;
rct_ride_measurement *ride_measurement;
for (i = 0; i < MAX_RIDES; i++) {
ride = &g_ride_list[i];
ride->type = RIDE_TYPE_NULL;
}
RCT2_GLOBAL(0x0138B590, sint8) = 0;
RCT2_GLOBAL(0x0138B591, sint8) = 0;
for (i = 0; i < MAX_RIDE_MEASUREMENTS; i++) {
ride_measurement = GET_RIDE_MEASUREMENT(i);
ride_measurement->var_00 = 0xFF;
}
}
/**
*
* rct2: 0x006B7A38
*/
void reset_all_ride_build_dates() {
int i;
rct_ride *ride;
FOR_ALL_RIDES(i, ride) {
//mov ax, current_month_year
//sub [esi + 180h], ax
ride->build_date -= RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_MONTH_YEAR, uint16);
}
}
/**
* rct2: 0x006AC916
*/
void ride_update_favourited_stat()
{
int i;
rct_ride *ride;
uint16 spriteIndex;
rct_peep* peep;
FOR_ALL_RIDES(i, ride)
ride->guests_favourite = 0;
FOR_ALL_PEEPS(spriteIndex, peep) {
if (peep->linked_list_type_offset != SPRITE_LINKEDLIST_OFFSET_PEEP)
return;
if (peep->favourite_ride != 0xff) {
ride = &g_ride_list[peep->favourite_ride];
ride->guests_favourite++;
ride->var_14D |= 1;
}
}
window_invalidate_by_id(WC_RIDE_LIST, 0);
}
/**
* rct2: 0x006B7C59
* @return 1 if the coordinate is reachable or has no entrance, 0 otherwise
*/
int ride_entrance_exit_is_reachable(uint16 coordinate, rct_ride* ride, int index) {
int x = ((coordinate >> 8) & 0xFF) << 5, // cx
y = (coordinate & 0xFF) << 5; // ax
uint8 station_height = ride->station_heights[index];
int tile_idx = ((x << 8) | y) >> 5;
rct_map_element* tile = RCT2_ADDRESS(RCT2_ADDRESS_TILE_MAP_ELEMENT_POINTERS, rct_map_element*)[tile_idx];
while(1) {
uint8 element_type = tile->type & MAP_ELEMENT_TYPE_MASK;
if (element_type == MAP_ELEMENT_TYPE_ENTRANCE && station_height == tile->base_height) {
break;
} else if (tile->flags & MAP_ELEMENT_FLAG_LAST_TILE) {
return 1;
}
tile++;
}
uint8 face_direction = tile->type & 3;
y -= RCT2_ADDRESS(0x00993CCC, sint16)[face_direction * 2];
x -= RCT2_ADDRESS(0x00993CCE, sint16)[face_direction * 2];
tile_idx = ((x << 8) | y) >> 5;
return map_coord_is_connected(tile_idx, station_height, face_direction);
}
void ride_entrance_exit_connected(rct_ride* ride, int ride_idx)
{
for (int i = 0; i < 4; ++i) {
uint16 station_start = ride->station_starts[i],
entrance = ride->entrances[i],
exit = ride->exits[i];
if (station_start == -1 )
continue;
if (entrance != -1 && !ride_entrance_exit_is_reachable(entrance, ride, i)) {
// name of ride is parameter of the format string
RCT2_GLOBAL(0x013CE952, uint16) = ride->name;
RCT2_GLOBAL(0x013CE954, uint32) = ride->name_arguments;
news_item_add_to_queue(1, STR_ENTRANCE_NOT_CONNECTED, ride_idx);
ride->connected_message_throttle = 3;
}
if (exit != -1 && !ride_entrance_exit_is_reachable(exit, ride, i)) {
// name of ride is parameter of the format string
RCT2_GLOBAL(0x013CE952, uint16) = ride->name;
RCT2_GLOBAL(0x013CE954, uint32) = ride->name_arguments;
news_item_add_to_queue(1, STR_EXIT_NOT_CONNECTED, ride_idx);
ride->connected_message_throttle = 3;
}
}
}
void ride_shop_connected(rct_ride* ride, int ride_idx)
{
rct_ride* ride_back = ride;
uint16 coordinate = ride->station_starts[0];
if (coordinate == 0xFFFF)
return;
int x = ((coordinate >> 8) & 0xFF) << 5, // cx
y = (coordinate & 0xFF) << 5; // ax
rct_map_element* tile = RCT2_ADDRESS(RCT2_ADDRESS_TILE_MAP_ELEMENT_POINTERS, rct_map_element*)[coordinate];
for (; ; tile++){
uint8 element_type = tile->type & MAP_ELEMENT_TYPE_MASK;
if(element_type == MAP_ELEMENT_TYPE_TRACK && tile->properties.track.ride_index == ride_idx)
break;
if(tile->flags & MAP_ELEMENT_FLAG_LAST_TILE)
return;
}
uint16 entrance_directions = 0;
uint8 track_type = tile->properties.track.type;
ride = &g_ride_list[tile->properties.track.ride_index];
if (RCT2_GLOBAL(RCT2_ADDRESS_RIDE_FLAGS + ride->type * 8, uint32) & 0x80000) {
entrance_directions = RCT2_ADDRESS(0x0099CA64, uint8)[track_type * 16];
} else {
entrance_directions = RCT2_ADDRESS(0x0099BA64, uint8)[track_type * 16];
}
uint8 tile_direction = tile->type & MAP_ELEMENT_DIRECTION_MASK;
entrance_directions <<= tile_direction;
entrance_directions = ((entrance_directions >> 12) | entrance_directions) & 0xF;
// now each bit in entrance_directions stands for an entrance direction to check
if (entrance_directions == 0)
return;
for (int count = 0; entrance_directions != 0; ++count) {
if (!(entrance_directions & 1)) {
entrance_directions >>= 1;
continue;
}
entrance_directions >>= 1;
uint8 face_direction = count ^ 2; // flip direction north<->south, east<->west
int y2 = y - RCT2_ADDRESS(0x00993CCC, sint16)[face_direction * 2];
int x2 = x - RCT2_ADDRESS(0x00993CCE, sint16)[face_direction * 2];
int tile_idx = ((x2 << 8) | y2) >> 5;
if (map_coord_is_connected(tile_idx, tile->base_height, face_direction))
return;
}
// name of ride is parameter of the format string
RCT2_GLOBAL(0x013CE952, uint16) = ride->name;
RCT2_GLOBAL(0x013CE954, uint32) = ride->name_arguments;
news_item_add_to_queue(1, STR_ENTRANCE_NOT_CONNECTED, ride_idx);
ride->connected_message_throttle = 3;
}
/**
* rct2: 0x006B7A5E
**/
void ride_check_all_reachable()
{
rct_ride *ride;
int i;
FOR_ALL_RIDES(i, ride) {
if (ride->connected_message_throttle != 0)
ride->connected_message_throttle--;
if (ride->status != RIDE_STATUS_OPEN || ride->connected_message_throttle != 0)
continue;
if (RCT2_GLOBAL(RCT2_ADDRESS_RIDE_FLAGS + ride->type * 8, uint32) & 0x20000)
ride_shop_connected(ride, i);
else
ride_entrance_exit_connected(ride, i);
}
}
/**
*
* rct2: 0x006CAF80
* ax result x
* bx result y
* dl ride index
* esi result map element
*/
rct_map_element *sub_6CAF80(int rideIndex, int *outX, int *outY)
{
rct_map_element *resultMapElement, *mapElement;
int foundSpecialTrackPiece;
resultMapElement = (rct_map_element*)-1;
foundSpecialTrackPiece = 0;
uint16 x, y;
for (x = 0; x < 256; x++) {
for (y = 0; y < 256; y++) {
// Iterate through map elements on tile
int tileIndex = (y << 8) | x;
mapElement = TILE_MAP_ELEMENT_POINTER(tileIndex);
do {
if ((mapElement->type & MAP_ELEMENT_TYPE_MASK) != MAP_ELEMENT_TYPE_TRACK)
continue;
if (rideIndex != mapElement->properties.track.ride_index)
continue;
// Found a track piece for target ride
// Check if its a ???
int specialTrackPiece = (
(mapElement->properties.track.type != 2 && mapElement->properties.track.type != 3) &&
(RCT2_ADDRESS(0x0099BA64, uint8)[mapElement->properties.track.type * 16] & 0x10)
);
// Set result tile to this track piece if first found track or a ???
if (resultMapElement == (rct_map_element*)-1 || specialTrackPiece) {
resultMapElement = mapElement;
if (outX != NULL) *outX = x * 32;
if (outY != NULL) *outY = y * 32;
}
if (specialTrackPiece) {
foundSpecialTrackPiece = 1;
return resultMapElement;
}
} while (!(mapElement->flags & MAP_ELEMENT_FLAG_LAST_TILE) && mapElement++);
}
}
return resultMapElement;
}
/**
*
* rct2: 0x006CB02F
* ax result x
* bx result y
* esi input / output map element
*/
rct_map_element *ride_find_track_gap(rct_map_element *startTrackElement, int *outX, int *outY)
{
int eax, ebx, ecx, edx, esi, edi, ebp;
esi = (int)startTrackElement;
eax = *outX;
ebx = 0;
ecx = *outY;
edx = 0;
edi = 0;
ebp = 0;
RCT2_CALLFUNC_X(0x006CB02F, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
if (outX != NULL) *outX = eax & 0xFFFF;
if (outY != NULL) *outY = ecx & 0xFFFF;
return (rct_map_element*)esi;
}
/**
*
* rct2: 0x006B4800
*/
void ride_construct_new(int list_item)
{
int eax, ebx, ecx, edx, esi, edi, ebp;
edx = list_item;
eax = 0;
ecx = 0;
ebx = 1;
edi = 0;
esi = 0;
RCT2_GLOBAL(RCT2_ADDRESS_GAME_COMMAND_ERROR_TITLE, uint16) = 0x3DC;
esi = GAME_COMMAND_6;
game_do_command_p(esi, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
if (ebx == 0x80000000) {
return;
}
//Looks like edi became the ride index after the command.
eax = edi;
rct_window *w;
//TODO: replace with window_ride_main_open(eax)
// window_ride_main_open(eax);
RCT2_CALLFUNC_X(0x006ACC28, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
window_get_register(w);
ecx = w->classification;
edx = 0x13;
ebp = (int)w;
//TODO: replace with window_ride_main_mouseup() after ride-window_merge
// window_ride_main_mouseup();
RCT2_CALLFUNC_X(0x006AF17E, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
rct_window *ride_window = window_find_by_id(w->classification, w->number); //class here
window_close(ride_window);
}
/**
*
* rct2: 0x006CC056
*/
int ride_try_construct(rct_map_element *trackMapElement)
{
// Success stored in carry flag which can't be accessed after call using is macro
RCT2_CALLPROC_X(0x006CC056, 0, 0, 0, (int)trackMapElement, 0, 0, 0);
return 1;
}
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