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OpenRCT2/src/ride/ride.c
IntelOrca 3ecfee72a2 refactor ride_get_measurement
2014-11-03 17:20:07 +00:00

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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 "../audio/audio.h"
#include "../game.h"
#include "../interface/window.h"
#include "../localisation/date.h"
#include "../localisation/localisation.h"
#include "../management/news_item.h"
#include "../peep/peep.h"
#include "../peep/staff.h"
#include "../scenario.h"
#include "../util/util.h"
#include "../world/map.h"
#include "../world/sprite.h"
#include "ride.h"
#include "ride_data.h"
#include "station.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
static const int RideInspectionInterval[] = {
10, 20, 30, 45, 60, 120, 0, 0
};
rct_ride_type **gRideTypeList = RCT2_ADDRESS(0x009ACFA4, rct_ride_type*);
rct_ride* g_ride_list = RCT2_ADDRESS(RCT2_ADDRESS_RIDE_LIST, rct_ride);
// Static function declarations
rct_peep *find_closest_mechanic(int x, int y, int forInspection);
static void ride_breakdown_status_update(int rideIndex);
static void ride_breakdown_update(int rideIndex);
static void ride_call_mechanic(int rideIndex);
static void ride_chairlift_update(rct_ride *ride);
static void ride_entrance_exit_connected(rct_ride* ride, int ride_idx);
static int ride_get_new_breakdown_problem(rct_ride *ride);
static void ride_inspection_update(rct_ride *ride);
static void ride_mechanic_status_update(int rideIndex, int mechanicStatus);
static void ride_music_update(int rideIndex);
static void ride_prepare_breakdown(int rideIndex, int breakdownReason);
static void ride_shop_connected(rct_ride* ride, int ride_idx);
static void ride_spiral_slide_update(rct_ride *ride);
static void ride_update(int rideIndex);
rct_ride_type *ride_get_entry(rct_ride *ride)
{
return GET_RIDE_ENTRY(ride->subtype);
}
uint8 *get_ride_entry_indices_for_ride_type(uint8 rideType)
{
uint8 *typeToRideEntryIndexMap = (uint8*)0x009E32F8;
uint8 *entryIndexList = typeToRideEntryIndexMap;
while (rideType > 0) {
do {
entryIndexList++;
} while (*(entryIndexList - 1) != 255);
rideType--;
}
return entryIndexList;
}
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: 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_class(WC_RIDE_LIST);
}
money32 get_shop_item_cost(int shopItem)
{
return shopItem < 32 ?
RCT2_GLOBAL(0x00982164 + (shopItem * 8), uint16) :
RCT2_GLOBAL(0x00982144 + (shopItem * 8), uint16);
}
/**
*
* rct2: 0x006AC3AB
*/
money32 ride_calculate_income_per_hour(rct_ride *ride)
{
rct_ride_type *entry;
money32 incomePerHour, priceMinusCost;
int shopItem;
entry = GET_RIDE_ENTRY(ride->subtype);
incomePerHour =
ride->var_124 +
ride->var_126 +
ride->var_128 +
ride->var_12A +
ride->var_12C +
ride->var_12E +
ride->age +
ride->running_cost +
ride->var_134 +
ride->var_136;
incomePerHour *= 12;
priceMinusCost = ride->price;
shopItem = entry->shop_item;
if (shopItem != 255) {
priceMinusCost -= get_shop_item_cost(shopItem);
shopItem = entry->shop_item_secondary;
if (shopItem != 255) {
priceMinusCost -= get_shop_item_cost(shopItem);
priceMinusCost /= 2;
}
}
incomePerHour *= priceMinusCost;
return incomePerHour;
}
/**
*
* 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: 0x006AF561
*/
void ride_get_status(int rideIndex, int *formatSecondary, int *argument)
{
rct_ride *ride = &g_ride_list[rideIndex];
if (ride->lifecycle_flags & RIDE_LIFECYCLE_CRASHED) {
*formatSecondary = STR_CRASHED;
return;
}
if (ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN) {
*formatSecondary = STR_BROKEN_DOWN;
return;
}
if (ride->status == RIDE_STATUS_CLOSED) {
*formatSecondary = STR_CLOSED;
return;
}
if (ride->status == RIDE_STATUS_TESTING) {
*formatSecondary = STR_TEST_RUN;
return;
}
rct_peep *peep = GET_PEEP(ride->race_winner);
if (ride->mode == RIDE_MODE_RACE && !(ride->lifecycle_flags & RIDE_LIFECYCLE_PASS_STATION_NO_STOPPING) && ride->race_winner != 0xFFFF && peep->sprite_identifier == SPRITE_IDENTIFIER_PEEP) {
if (peep->name_string_idx == STR_GUEST) {
*argument = peep->id;
*formatSecondary = STR_RACE_WON_BY_GUEST;
} else {
*argument = peep->name_string_idx;
*formatSecondary = STR_RACE_WON_BY;
}
} else {
if (!(RCT2_GLOBAL(RCT2_ADDRESS_RIDE_FLAGS + ride->type * 8, uint32) & 0x20000)) {
*argument = ride->num_riders;
*formatSecondary = STR_PERSON_ON_RIDE;
if(*argument != 1)
*formatSecondary = STR_PEOPLE_ON_RIDE;
} else {
*formatSecondary = STR_OPEN;
}
}
}
int ride_get_total_length(rct_ride *ride)
{
int i, totalLength = 0;
for (i = 0; i < ride->num_stations; i++)
totalLength += ride->length[i];
return totalLength;
}
int ride_can_have_multiple_circuits(rct_ride *ride)
{
if (!(RCT2_GLOBAL(0x0097D4F2 + (ride->type * 8), uint16) & 0x200))
return 0;
// Only allow circuit or launch modes
if (
ride->mode != RIDE_MODE_CONTINUOUS_CIRCUIT &&
ride->mode != RIDE_MODE_REVERSE_INCLINE_LAUNCHED_SHUTTLE &&
ride->mode != RIDE_MODE_POWERED_LAUNCH
) {
return 0;
}
// Must have no more than one vehicle and one station
if (ride->num_vehicles > 1 || ride->num_stations > 1)
return 0;
return 1;
}
#pragma region Initialisation functions
/**
*
* 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->ride_index = 255;
}
}
/**
*
* rct2: 0x006B7A38
*/
void reset_all_ride_build_dates()
{
int i;
rct_ride *ride;
FOR_ALL_RIDES(i, ride)
ride->build_date -= RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_MONTH_YEAR, uint16);
}
#pragma endregion
#pragma region Construction
int ride_create_ride(ride_list_item listItem)
{
int eax, ebx, ecx, edx, esi, edi, ebp;
edx = *((uint16*)&listItem);
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);
return ebx == 0x80000000 ? -1 : edi;
}
/**
*
* rct2: 0x006B4800
*/
void ride_construct_new(ride_list_item listItem)
{
rct_window *w;
int rideIndex;
rideIndex = ride_create_ride(listItem);
if (rideIndex == -1)
return;
// Open construction window
// HACK In the original game this created a mouse up event. This has been
// replaced with a direct call to the function that gets called.
// Eventually should be changed so the ride window does not need to be opened.
w = window_ride_main_open(rideIndex);
window_ride_construct(w);
window_close_by_number(WC_RIDE, rideIndex);
}
/**
*
* 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;
}
#pragma endregion
#pragma region Update functions
/**
*
* rct2: 0x006ABE4C
*/
void ride_update_all()
{
rct_s6_info *s6Info = (rct_s6_info*)0x0141F570;
rct_ride *ride;
int i;
// Remove all rides if certain flags are set (possible scenario editor?)
int *esi = (int*)0x9DCE9E;
if (esi[0x1BCA] & 2) {
if (s6Info->var_000 <= 2)
FOR_ALL_RIDES(i, ride)
ride->type = RIDE_TYPE_NULL;
return;
}
window_update_viewport_ride_music();
// Update rides
FOR_ALL_RIDES(i, ride)
ride_update(i);
sub_6BC6D8();
}
/**
*
* rct2: 0x006ABE73
*/
static void ride_update(int rideIndex)
{
int i;
rct_ride *ride = GET_RIDE(rideIndex);
if (ride->var_1CA != 0)
ride->var_1CA--;
ride_music_update(rideIndex);
// Update stations
if (ride->type != RIDE_TYPE_MAZE)
for (i = 0; i < 4; i++)
ride_update_station(ride, i);
// Update financial statistics
ride->var_122++;
if (ride->var_122 >= 960) {
ride->var_122 = 0;
ride->var_136 = ride->var_134;
ride->var_134 = ride->running_cost;
ride->running_cost = ride->age;
ride->age = ride->var_12E;
ride->var_12E = ride->var_12C;
ride->var_12C = ride->var_12A;
ride->var_12A = ride->var_128;
ride->var_128 = ride->var_126;
ride->var_126 = ride->var_124;
ride->var_124 = ride->var_120;
ride->var_14D |= 1;
ride->income_per_hour = ride_calculate_income_per_hour(ride);
ride->var_14D |= 2;
if (ride->upkeep_cost != (money16)0xFFFF)
ride->upkeep_cost = (money16)ride->income_per_hour - (ride->upkeep_cost * 16);
}
// Ride specific updates
if (ride->type == RIDE_TYPE_CHAIRLIFT)
ride_chairlift_update(ride);
else if (ride->type == RIDE_TYPE_SPIRAL_SLIDE)
ride_spiral_slide_update(ride);
ride_breakdown_update(rideIndex);
// Various things include news messages
if (ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_DUE_INSPECTION))
if (((RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint32) >> 1) & 255) == rideIndex)
ride_breakdown_status_update(rideIndex);
ride_inspection_update(ride);
}
/**
*
* rct2: 0x006AC489
*/
static void ride_chairlift_update(rct_ride *ride)
{
int x, y, z, ax, bx, cx;
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_ON_TRACK))
return;
if (!(ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED)))
return;
if (ride->breakdown_reason_pending == 0)
return;
ax = ride->var_0D0 * 2048;
bx = ride->var_148;
cx = bx + ax;
ride->var_148 = cx;
if (bx >> 14 == cx >> 14)
return;
x = (ride->var_13A & 0xFF) * 32;
y = (ride->var_13A >> 8) * 32;
z = ride->var_13E * 8;
map_invalidate_tile(x, y, z, z + (4 * 8));
x = (ride->var_13C & 0xFF) * 32;
y = (ride->var_13C >> 8) * 32;
z = ride->var_13F * 8;
map_invalidate_tile(x, y, z, z + (4 * 8));
}
/**
*
* rct2: 0x006AC545
*/
static void ride_spiral_slide_update(rct_ride *ride)
{
int i, x, y, z;
rct_map_element *mapElement;
rct_peep *peep;
if (RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint32) & 3)
return;
if (ride->var_15D == 0)
return;
ride->var_176++;
if (ride->var_176 >= 48) {
ride->var_15D--;
peep = &(g_sprite_list[ride->maze_tiles].peep);
peep->var_32++;
}
// Invalidate something related to station start
for (i = 0; i < 4; i++) {
if (ride->station_starts[i] == 0xFFFF)
continue;
x = ride->station_starts[i] & 0xFF;
y = ride->station_starts[i] >> 8;
z = ride->station_heights[i];
mapElement = ride_get_station_start_track_element(ride, i);
int rotation = ((mapElement->type & 3) << 2) | RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_ROTATION, uint8);
x += RCT2_GLOBAL(0x0098DDB8 + (rotation * 4), uint16);
y += RCT2_GLOBAL(0x0098DDBA + (rotation * 4), uint16);
map_invalidate_tile(x, y, mapElement->base_height * 8, mapElement->clearance_height * 8);
}
}
#pragma endregion
#pragma region Breakdown and inspection functions
static uint8 _breakdownProblemProbabilities[] = {
25, // BREAKDOWN_SAFETY_CUT_OUT
12, // BREAKDOWN_RESTRAINTS_STUCK_CLOSED
10, // BREAKDOWN_RESTRAINTS_STUCK_OPEN
13, // BREAKDOWN_DOORS_STUCK_CLOSED
10, // BREAKDOWN_DOORS_STUCK_OPEN
6, // BREAKDOWN_VEHICLE_MALFUNCTION
0, // BREAKDOWN_BRAKES_FAILURE
3 // BREAKDOWN_CONTROL_FAILURE
};
/**
*
* rct2: 0x006AC7C2
*/
static void ride_inspection_update(rct_ride *ride)
{
int i;
if (RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint32) & 2047)
return;
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_FLAGS, uint8) & SCREEN_FLAGS_TRACK_DESIGNER)
return;
ride->last_inspection++;
if (ride->last_inspection == 0)
ride->last_inspection--;
int inspectionIntervalMinutes = RideInspectionInterval[ride->inspection_interval];
if (inspectionIntervalMinutes == 0)
return;
if (RCT2_ADDRESS(0x0097C740, uint32)[ride->type] == 0)
return;
if (inspectionIntervalMinutes > ride->last_inspection)
return;
if (ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_DUE_INSPECTION | RIDE_LIFECYCLE_CRASHED))
return;
// Inspect the first station that has an exit
ride->lifecycle_flags |= RIDE_LIFECYCLE_DUE_INSPECTION;
ride->inspection_station = 0;
for (i = 0; i < 4; i++) {
if (ride->exits[i] != 0xFFFF) {
ride->inspection_station = i;
break;
}
}
}
/**
*
* rct2: 0x006AC622
*/
static void ride_breakdown_update(int rideIndex)
{
int agePenalty, years, ax, breakdownReason;
rct_ride *ride = GET_RIDE(rideIndex);
if (RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint32) & 255)
return;
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_FLAGS, uint8) & SCREEN_FLAGS_TRACK_DESIGNER)
return;
if (ride->lifecycle_flags & (RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED))
ride->var_19C++;
if (!(RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint32) & 8191)) {
int ax =
ride->var_19C +
ride->var_19D +
ride->var_19E +
ride->var_1A0 +
ride->var_1A2 +
ride->var_1A3;
ride->var_199 = min(ax / 2, 100);
ride->var_1A3 = ride->var_1A2;
ride->var_1A2 = ride->var_1A1;
ride->var_1A1 = ride->var_1A0;
ride->var_1A0 = ride->var_19F;
ride->var_19F = ride->var_19E;
ride->var_19E = ride->var_19D;
ride->var_19D = ride->var_19C;
ride->var_19C = 0;
ride->var_14D |= 32;
}
if (ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED))
return;
if (ride->status == RIDE_STATUS_CLOSED)
return;
// Calculate breakdown probability?
ax = ride->var_198;
agePenalty;
years = date_get_year(RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_MONTH_YEAR, uint16) - ride->build_date);
switch (years) {
case 0:
agePenalty = 0;
break;
case 1:
agePenalty = ax >> 3;
break;
case 2:
agePenalty = ax >> 2;
break;
case 3:
agePenalty = ax >> 1;
break;
case 4:
case 5:
case 6:
agePenalty = ax >> 0;
break;
default:
agePenalty = ax << 1;
break;
}
ax += agePenalty;
ride->var_196 = max(0, ride->var_196 - ax);
ride->var_14D |= 32;
// Random probability of a breakdown
if (ride->var_196 == 0 || (int)(scenario_rand() & 0x2FFFFF) <= 25856 - ride->var_196) {
breakdownReason = ride_get_new_breakdown_problem(ride);
if (breakdownReason != -1)
ride_prepare_breakdown(rideIndex, breakdownReason);
}
}
/**
*
* rct2: 0x006B7294
*/
static int ride_get_new_breakdown_problem(rct_ride *ride)
{
int availableBreakdownProblems, monthsOld, totalProbability, randomProbability, problemBits, breakdownProblem;
rct_ride_type *entry;
// Brake failure is more likely when its raining
_breakdownProblemProbabilities[BREAKDOWN_BRAKES_FAILURE] =
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_RAIN_LEVEL, uint8) == 0 ? 3 : 20;
entry = ride_get_entry(ride);
if (entry->var_008 & 0x4000)
return -1;
availableBreakdownProblems = RideAvailableBreakdowns[ride->type];
// Calculate the total probability range for all possible breakdown problems
totalProbability = 0;
problemBits = availableBreakdownProblems;
while (problemBits != 0) {
breakdownProblem = bitscanforward(problemBits);
problemBits &= ~(1 << breakdownProblem);
totalProbability += _breakdownProblemProbabilities[breakdownProblem];
}
if (totalProbability == 0)
return -1;
// Choose a random number within this range
randomProbability = scenario_rand() % totalProbability;
// Find which problem range the random number lies
problemBits = availableBreakdownProblems;
do {
breakdownProblem = bitscanforward(problemBits);
problemBits &= ~(1 << breakdownProblem);
randomProbability -= _breakdownProblemProbabilities[breakdownProblem];
} while (randomProbability >= 0);
if (breakdownProblem != BREAKDOWN_BRAKES_FAILURE)
return breakdownProblem;
// Breaks failure can not happen if block breaks are used (so long as there is more than one vehicle)
// However if this is the case, break failure should be taken out the equation, otherwise block brake
// rides have a lower probability to break down due to a random implementation reason.
if (ride->mode == RIDE_MODE_CONTINUOUS_CIRCUIT_BLOCK_SECTIONED || ride->mode == RIDE_MODE_POWERED_LAUNCH_BLOCK_SECTIONED)
if (ride->num_vehicles != 1)
return -1;
// Again the probability is lower, this time if young or two other unknown reasons...
monthsOld = RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_MONTH_YEAR, uint8) - ride->build_date;
if (monthsOld < 16 || ride->var_196 > 12800 || ride->lifecycle_flags & RIDE_LIFECYCLE_19)
return -1;
return BREAKDOWN_BRAKES_FAILURE;
}
/**
*
* rct2: 0x006B7348
*/
static void ride_prepare_breakdown(int rideIndex, int breakdownReason)
{
int i;
rct_ride *ride;
rct_vehicle *vehicle;
ride = GET_RIDE(rideIndex);
if (ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_CRASHED))
return;
ride->lifecycle_flags &= ~RIDE_LIFECYCLE_DUE_INSPECTION;
ride->lifecycle_flags |= RIDE_LIFECYCLE_BREAKDOWN_PENDING;
ride->breakdown_reason_pending = breakdownReason;
ride->mechanic_status = RIDE_MECHANIC_STATUS_UNDEFINED;
ride->var_1AC = 0;
ride->var_1AD = 0;
switch (breakdownReason) {
case BREAKDOWN_SAFETY_CUT_OUT:
case BREAKDOWN_CONTROL_FAILURE:
// Inspect first station with an exit
for (i = 0; i < 4; i++) {
if (ride->exits[i] != 0xFFFF) {
ride->inspection_station = i;
break;
}
}
break;
case BREAKDOWN_RESTRAINTS_STUCK_CLOSED:
case BREAKDOWN_RESTRAINTS_STUCK_OPEN:
case BREAKDOWN_DOORS_STUCK_CLOSED:
case BREAKDOWN_DOORS_STUCK_OPEN:
// Choose a random train and car
ride->broken_vehicle = scenario_rand() % ride->num_vehicles;
ride->broken_car = scenario_rand() % ride->num_cars_per_train;
// Set flag on broken car
vehicle = &(g_sprite_list[ride->vehicles[ride->broken_vehicle]].vehicle);
for (i = ride->broken_car; i > 0; i--)
vehicle = &(g_sprite_list[vehicle->next_vehicle_on_train].vehicle);
vehicle->var_48 |= 0x100;
break;
case BREAKDOWN_VEHICLE_MALFUNCTION:
// Choose a random train
ride->broken_vehicle = scenario_rand() % ride->num_vehicles;
ride->broken_car = 0;
// Set flag on broken train, first car
vehicle = &(g_sprite_list[ride->vehicles[ride->broken_vehicle]].vehicle);
vehicle->var_48 |= 0x200;
break;
case BREAKDOWN_BRAKES_FAILURE:
// Original code generates a random number but does not use it
// Unsure if this was supposed to choose a random station (or random station with an exit)
for (i = 0; i < 4; i++) {
ride->inspection_station = i;
if (ride->exits[i] != 0xFFFF)
break;
}
break;
}
}
/**
*
* rct2: 0x006B74FA
*/
void ride_breakdown_add_news_item(int rideIndex)
{
rct_ride *ride = GET_RIDE(rideIndex);
RCT2_GLOBAL(0x0013CE952 + 0, uint16) = ride->name;
RCT2_GLOBAL(0x0013CE952 + 2, uint32) = ride->name_arguments;
news_item_add_to_queue(NEWS_ITEM_RIDE, 1927, rideIndex);
}
/**
*
* rct2: 0x006B75C8
*/
static void ride_breakdown_status_update(int rideIndex)
{
rct_ride *ride = GET_RIDE(rideIndex);
// Warn player if ride hasnt been fixed for ages
if (ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN) {
ride->var_1AD++;
if (ride->var_1AD == 0)
ride->var_1AD -= 16;
if (
!(ride->var_1AD & 15) &&
ride->mechanic_status != RIDE_MECHANIC_STATUS_FIXING &&
ride->mechanic_status != RIDE_MECHANIC_STATUS_4
) {
RCT2_GLOBAL(0x0013CE952 + 0, uint16) = ride->name;
RCT2_GLOBAL(0x0013CE952 + 2, uint32) = ride->name_arguments;
news_item_add_to_queue(NEWS_ITEM_RIDE, 1929, rideIndex);
}
}
ride_mechanic_status_update(rideIndex, ride->mechanic_status);
}
/**
*
* rct2: 0x006B762F
*/
static void ride_mechanic_status_update(int rideIndex, int mechanicStatus)
{
int breakdownReason;
rct_ride *ride;
rct_peep *mechanic;
ride = GET_RIDE(rideIndex);
switch (mechanicStatus) {
case RIDE_MECHANIC_STATUS_UNDEFINED:
breakdownReason = ride->breakdown_reason_pending;
if (
breakdownReason == BREAKDOWN_SAFETY_CUT_OUT ||
breakdownReason == BREAKDOWN_BRAKES_FAILURE ||
breakdownReason == BREAKDOWN_CONTROL_FAILURE
) {
ride->lifecycle_flags |= RIDE_LIFECYCLE_BROKEN_DOWN;
ride->var_14D |= 0x2C;
ride->mechanic_status = RIDE_MECHANIC_STATUS_CALLING;
ride->breakdown_reason = breakdownReason;
ride_breakdown_add_news_item(rideIndex);
}
break;
case RIDE_MECHANIC_STATUS_CALLING:
if (RideAvailableBreakdowns[ride->type] == 0) {
ride->lifecycle_flags &= ~(RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN | RIDE_LIFECYCLE_DUE_INSPECTION);
break;
}
ride_call_mechanic(rideIndex);
break;
case RIDE_MECHANIC_STATUS_HEADING:
mechanic = &(g_sprite_list[ride->mechanic].peep);
if (
!peep_is_mechanic(mechanic) ||
(mechanic->state != PEEP_STATE_HEADING_TO_INSPECTION && mechanic->state != PEEP_STATE_ANSWERING) ||
mechanic->current_ride != rideIndex
) {
ride->mechanic_status = RIDE_MECHANIC_STATUS_CALLING;
ride->var_14D |= 0x20;
ride_mechanic_status_update(rideIndex, RIDE_MECHANIC_STATUS_CALLING);
}
break;
case RIDE_MECHANIC_STATUS_FIXING:
mechanic = &(g_sprite_list[ride->mechanic].peep);
if (
!peep_is_mechanic(mechanic) ||
(
mechanic->state != PEEP_STATE_HEADING_TO_INSPECTION &&
mechanic->state != PEEP_STATE_FIXING &&
mechanic->state != PEEP_STATE_INSPECTING &&
mechanic->state != PEEP_STATE_ANSWERING
)
) {
ride->mechanic_status = RIDE_MECHANIC_STATUS_CALLING;
ride->var_14D |= 0x20;
ride_mechanic_status_update(rideIndex, RIDE_MECHANIC_STATUS_CALLING);
}
break;
}
}
/**
*
* rct2: 0x006B76AB
*/
static void ride_call_mechanic(int rideIndex)
{
int x, y, z, stationIndex, direction, inspecting;
uint16 xy;
rct_ride *ride;
rct_map_element *mapElement;
rct_peep *mechanic;
ride = GET_RIDE(rideIndex);
inspecting = (ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN)) == 0;
// Get either exit position or entrance position if there is no exit
stationIndex = ride->inspection_station;
xy = ride->exits[stationIndex];
if (xy == 0xFFFF) {
xy = ride->entrances[stationIndex];
if (xy == 0xFFFF)
return;
}
// Get station start track element and position
x = (xy & 0xFF) * 32;
y = (xy >> 8) * 32;
z = ride->station_heights[stationIndex] * 8;
mapElement = ride_get_station_start_track_element(ride, stationIndex);
if (mapElement == NULL)
return;
direction = mapElement->type & 3;
x -= RCT2_ADDRESS(0x00993CCC, sint16)[direction * 2];
y -= RCT2_ADDRESS(0x00993CCE, sint16)[direction * 2];
x += 16;
y += 16;
// Find closest mechanic
mechanic = find_closest_mechanic(x, y, inspecting);
if (mechanic == NULL)
return;
RCT2_CALLPROC_X(0x0069A409, 0, 0, 0, 0, (int)mechanic, 0, 0);
mechanic->state = inspecting ? PEEP_STATE_HEADING_TO_INSPECTION : PEEP_STATE_ANSWERING;
RCT2_CALLPROC_X(0x0069A42F, 0, 0, 0, 0, (int)mechanic, 0, 0);
mechanic->var_2C = 0;
ride->mechanic_status = RIDE_MECHANIC_STATUS_HEADING;
ride->var_14D |= 0x20;
ride->mechanic = mechanic->sprite_index;
mechanic->current_ride = rideIndex;
mechanic->current_ride_station = ride->inspection_station;
}
/**
*
* rct2: 0x006B774B (forInspection = 0)
* rct2: 0x006B78C3 (forInspection = 1)
*/
rct_peep *find_closest_mechanic(int x, int y, int forInspection)
{
unsigned int closestDistance, distance;
uint16 spriteIndex;
rct_peep *peep, *closestMechanic;
closestDistance = -1;
FOR_ALL_STAFF(spriteIndex, peep) {
if (forInspection) {
if ((peep->state != PEEP_STATE_HEADING_TO_INSPECTION || peep->var_2C >= 4) && peep->state != PEEP_STATE_PATROLLING)
continue;
if (!(peep->staff_orders & 2))
continue;
} else {
if (peep->state != PEEP_STATE_PATROLLING && !(peep->staff_orders & 1))
continue;
}
if (map_is_location_in_park(x, y))
if (!mechanic_is_location_in_patrol(peep, x & 0xFFE0, y & 0xFFE0))
continue;
if (peep->x == (sint16)0x8000)
continue;
// Should probably be euclidean or manhattan distance, this seems a bit naive
distance = max(abs(peep->x - x), abs(peep->y - y));
if (distance < closestDistance) {
closestDistance = distance;
closestMechanic = peep;
}
}
return closestDistance == -1 ? NULL : closestMechanic;
}
rct_peep *ride_get_assigned_mechanic(rct_ride *ride)
{
rct_peep *peep;
if (ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN) {
if (
ride->mechanic_status == RIDE_MECHANIC_STATUS_HEADING ||
ride->mechanic_status == 3 ||
ride->mechanic_status == 4
) {
peep = &(g_sprite_list[ride->mechanic].peep);
if (peep_is_mechanic(peep))
return peep;
}
}
return NULL;
}
#pragma endregion
#pragma region Music functions
/**
*
* rct2: 0x006ABE85
*/
static void ride_music_update(int rideIndex)
{
int x, y, z;
rct_vehicle *vehicle;
rct_ride *ride = GET_RIDE(rideIndex);
if (!(RCT2_GLOBAL(0x0097D4F2 + (ride->type * 8), uint16) & 6))
return;
if (ride->status != RIDE_STATUS_OPEN || !(ride->lifecycle_flags & RIDE_LIFECYCLE_MUSIC)) {
ride->music_tune_id = 255;
return;
}
if (ride->type == RIDE_TYPE_CIRCUS_SHOW) {
vehicle = &(g_sprite_list[ride->vehicles[0]].vehicle);
if (vehicle->status != VEHICLE_STATUS_DOING_CIRCUS_SHOW) {
ride->music_tune_id = 255;
return;
}
}
// Oscillate parameters for a power cut effect when breaking down
if (ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN)) {
if (ride->breakdown_reason_pending == BREAKDOWN_CONTROL_FAILURE) {
if (!(RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint32) & 7))
if (ride->var_1AC != 255)
ride->var_1AC++;
} else {
if (
(ride->lifecycle_flags & RIDE_LIFECYCLE_BROKEN_DOWN) ||
ride->breakdown_reason_pending == BREAKDOWN_BRAKES_FAILURE ||
ride->breakdown_reason_pending == BREAKDOWN_CONTROL_FAILURE
) {
if (ride->var_1AC != 255)
ride->var_1AC++;
}
if (ride->var_1AC == 255) {
ride->music_tune_id = 255;
return;
}
}
}
// Select random tune from available tunes for a music style (of course only merry-go-rounds have more than one tune)
if (ride->music_tune_id == 255) {
uint8 *musicStyleTunes = RCT2_ADDRESS(0x009AEF28, uint8*)[ride->music];
uint8 numTunes = *musicStyleTunes++;
ride->music_tune_id = musicStyleTunes[scenario_rand() % numTunes];
ride->music_position = 0;
return;
}
x = (ride->station_starts[0] & 0xFF) * 32 + 16;
y = (ride->station_starts[0] >> 8) * 32 + 16;
z = ride->station_heights[0] * 8;
int sampleRate = 22050;
// Alter sample rate for a power cut effect
if (ride->lifecycle_flags & (RIDE_LIFECYCLE_BREAKDOWN_PENDING | RIDE_LIFECYCLE_BROKEN_DOWN)) {
sampleRate = ride->var_1AC * 70;
if (ride->breakdown_reason_pending != BREAKDOWN_CONTROL_FAILURE)
sampleRate *= -1;
sampleRate += 22050;
}
ride->music_position = sub_6BC3AC(x, y, z, rideIndex, sampleRate, ride->music_position, &ride->music_tune_id);
}
#pragma endregion
#pragma region Measurement functions
/**
* rct2: 0x006B64F2
*/
void ride_measurement_update(rct_ride_measurement *measurement)
{
uint16 spriteIndex;
rct_ride *ride;
rct_vehicle *vehicle;
int unk, velocity, altitude, verticalG, lateralG;
ride = GET_RIDE(measurement->ride_index);
spriteIndex = ride->vehicles[measurement->vehicle_index];
if (spriteIndex == SPRITE_INDEX_NULL)
return;
vehicle = &(g_sprite_list[spriteIndex].vehicle);
if (measurement->flags & RIDE_MEASUREMENT_FLAG_UNLOADING) {
if (vehicle->status != VEHICLE_STATUS_DEPARTING && vehicle->status != VEHICLE_STATUS_STOPPING)
return;
measurement->flags &= ~RIDE_MEASUREMENT_FLAG_UNLOADING;
if (measurement->var_0B == vehicle->var_4B)
measurement->current_item = 0;
}
if (vehicle->status == VEHICLE_STATUS_UNLOADING_PASSENGERS) {
measurement->flags |= RIDE_MEASUREMENT_FLAG_UNLOADING;
return;
}
unk = (vehicle->var_36 / 4) & 0xFF;
if (unk == 216 || unk == 123 || unk == 9 || unk == 63 || unk == 147 || unk == 155)
if (vehicle->velocity == 0)
return;
if (measurement->current_item >= RIDE_MEASUREMENT_MAX_ITEMS)
return;
if (measurement->flags & RIDE_MEASUREMENT_FLAG_G_FORCES) {
vehicle_get_g_forces(vehicle, &verticalG, &lateralG);
verticalG = clamp(-127, verticalG / 8, 127);
lateralG = clamp(-127, lateralG / 8, 127);
if (RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_TICKS, uint32) & 1) {
verticalG = (verticalG + measurement->vertical[measurement->current_item]) / 2;
lateralG = (lateralG + measurement->lateral[measurement->current_item]) / 2;
}
measurement->vertical[measurement->current_item] = verticalG & 0xFF;
measurement->lateral[measurement->current_item] = lateralG & 0xFF;
}
velocity = min(abs((vehicle->velocity * 5) >> 16), 255);
altitude = min(vehicle->z / 8, 255);
if (RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_TICKS, uint32) & 1) {
velocity = (velocity + measurement->velocity[measurement->current_item]) / 2;
altitude = (altitude + measurement->altitude[measurement->current_item]) / 2;
}
measurement->velocity[measurement->current_item] = velocity & 0xFF;
measurement->altitude[measurement->current_item] = altitude & 0xFF;
if (RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_TICKS, uint32) & 1) {
measurement->current_item++;
measurement->num_items = max(measurement->num_items, measurement->current_item);
}
}
/**
* rct2: 0x006B6456
*/
void ride_measurements_update()
{
rct_ride *ride;
rct_ride_measurement *measurement;
rct_vehicle *vehicle;
int i, j;
uint16 spriteIndex;
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_FLAGS, uint8) & SCREEN_FLAGS_SCENARIO_EDITOR)
return;
// For each ride measurement
for (i = 0; i < MAX_RIDE_MEASUREMENTS; i++) {
measurement = GET_RIDE_MEASUREMENT(i);
if (measurement->ride_index == 255)
continue;
ride = GET_RIDE(measurement->ride_index);
if (!(ride->lifecycle_flags & RIDE_LIFECYCLE_ON_TRACK))
continue;
if (measurement->flags & RIDE_MEASUREMENT_FLAG_RUNNING) {
ride_measurement_update(measurement);
} else {
// For each vehicle
for (j = 0; j < ride->num_vehicles; j++) {
spriteIndex = ride->vehicles[j];
if (spriteIndex == SPRITE_INDEX_NULL)
continue;
vehicle = &(g_sprite_list[spriteIndex].vehicle);
if (vehicle->status == VEHICLE_STATUS_DEPARTING || vehicle->status == VEHICLE_STATUS_STOPPING) {
measurement->vehicle_index = j;
measurement->var_0B = vehicle->var_4B;
measurement->flags |= RIDE_MEASUREMENT_FLAG_RUNNING;
measurement->flags &= ~RIDE_MEASUREMENT_FLAG_UNLOADING;
ride_measurement_update(measurement);
break;
}
}
}
}
}
rct_ride_measurement *ride_get_existing_measurement(int rideIndex)
{
int i;
rct_ride_measurement *measurement;
for (i = 0; i < MAX_RIDE_MEASUREMENTS; i++) {
measurement = GET_RIDE_MEASUREMENT(i);
if (measurement->ride_index == rideIndex)
return measurement;
}
return NULL;
}
rct_ride_measurement *ride_get_free_measurement()
{
int i;
rct_ride_measurement *measurement;
for (i = 0; i < MAX_RIDE_MEASUREMENTS; i++) {
measurement = GET_RIDE_MEASUREMENT(i);
if (measurement->ride_index == 255)
return measurement;
}
return NULL;
}
/**
*
* rct2: 0x006B66D9
*/
rct_ride_measurement *ride_get_measurement(int rideIndex, rct_string_id *message)
{
rct_ride *ride;
rct_ride_measurement *measurement;
uint32 lruTicks;
int i, lruIndex;
ride = GET_RIDE(rideIndex);
// Check if ride type supports data logging
if (!(RCT2_GLOBAL(RCT2_ADDRESS_RIDE_FLAGS + (ride->type * 8), uint32) & 0x200)) {
if (message != NULL) *message = STR_DATA_LOGGING_NOT_AVAILABLE_FOR_THIS_TYPE_OF_RIDE;
return NULL;
}
// Check if a measurement already exists for this ride
measurement = ride_get_existing_measurement(rideIndex);
if (measurement == NULL) {
// Find a free measurement
measurement = ride_get_free_measurement();
if (measurement == NULL) {
// Use last recently used measurement for some other ride
lruIndex = 0;
lruTicks = 0xFFFFFFFF;
for (i = 0; i < MAX_RIDE_MEASUREMENTS; i++) {
measurement = GET_RIDE_MEASUREMENT(i);
if (measurement->last_use_tick <= lruTicks) {
lruTicks = measurement->last_use_tick;
lruIndex = i;
}
}
i = lruIndex;
measurement = GET_RIDE_MEASUREMENT(i);
ride->measurement_index = 255;
}
measurement->ride_index = rideIndex;
ride->measurement_index = i;
measurement->flags = 0;
if (RCT2_GLOBAL(RCT2_ADDRESS_RIDE_FLAGS + (ride->type * 8), uint32) & 0x80)
measurement->flags |= RIDE_MEASUREMENT_FLAG_G_FORCES;
measurement->num_items = 0;
measurement->current_item = 0;
}
measurement->last_use_tick = RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_TICKS, uint32);
if (measurement->flags & 1) {
if (message != NULL) *message = 0;
return measurement;
} else {
RCT2_GLOBAL(0x013CE952, uint16) = RideNameConvention[ride->type].vehicle_name;
RCT2_GLOBAL(0x013CE952 + 2, uint16) = RideNameConvention[ride->type].station_name;
if (message != NULL) *message = STR_DATA_LOGGING_WILL_START_WHEN_NEXT_LEAVES;
return NULL;
}
}
#pragma endregion
#pragma region Colour functions
track_colour ride_get_track_colour(rct_ride *ride, int colourScheme)
{
track_colour result;
result.main = ride->track_colour_main[colourScheme];
result.additional = ride->track_colour_additional[colourScheme];
result.supports = ride->track_colour_supports[colourScheme];
return result;
}
vehicle_colour ride_get_vehicle_colour(rct_ride *ride, int vehicleIndex)
{
vehicle_colour result;
result.main = ride->vehicle_colours[vehicleIndex] & 0xFF;
result.additional_1 = ride->vehicle_colours[vehicleIndex] >> 8;
result.additional_2 = ride->vehicle_colours_extended[vehicleIndex];
return result;
}
#pragma endregion
#pragma region Reachability
/**
* 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: 0x006B7C59
* @return 1 if the coordinate is reachable or has no entrance, 0 otherwise
*/
static 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);
}
static 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;
}
}
}
static 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;
}
#pragma endregion
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