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OpenRCT2/src/game.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 "audio/audio.h"
#include "cheats.h"
#include "config.h"
#include "game.h"
#include "editor.h"
#include "world/footpath.h"
#include "input.h"
#include "localisation/localisation.h"
#include "interface/screenshot.h"
#include "interface/viewport.h"
#include "interface/widget.h"
#include "interface/window.h"
#include "management/finance.h"
#include "management/marketing.h"
#include "management/news_item.h"
#include "management/research.h"
#include "network/network.h"
#include "object.h"
#include "openrct2.h"
#include "peep/peep.h"
#include "peep/staff.h"
#include "platform/platform.h"
#include "rct1.h"
#include "ride/ride.h"
#include "ride/ride_ratings.h"
#include "ride/vehicle.h"
#include "ride/track.h"
#include "ride/track_design.h"
#include "scenario.h"
#include "title.h"
#include "util/sawyercoding.h"
#include "util/util.h"
#include "windows/error.h"
#include "windows/tooltip.h"
#include "world/climate.h"
#include "world/map_animation.h"
#include "world/park.h"
#include "world/scenery.h"
#include "world/sprite.h"
#include "world/water.h"
#define NUMBER_OF_AUTOSAVES_TO_KEEP 9
uint16 gTicksSinceLastUpdate;
uint32 gLastTickCount;
uint8 gGamePaused = 0;
int gGameSpeed = 1;
float gDayNightCycle = 0;
bool gInUpdateCode = false;
int gGameCommandNestLevel;
bool gGameCommandIsNetworked;
uint8 gUnk13CA740;
uint8 gUnk141F568;
#ifdef NO_RCT2
uint32 gCurrentTicks;
#endif
GAME_COMMAND_CALLBACK_POINTER* game_command_callback = 0;
GAME_COMMAND_CALLBACK_POINTER* game_command_callback_table[] = {
0,
game_command_callback_ride_construct_new,
game_command_callback_ride_construct_placed_front,
game_command_callback_ride_construct_placed_back,
game_command_callback_ride_remove_track_piece,
game_command_callback_place_banner,
game_command_callback_place_ride_entrance_or_exit,
game_command_callback_hire_new_staff_member,
game_command_callback_pickup_guest,
game_command_callback_pickup_staff,
};
int game_command_playerid = -1;
rct_string_id gGameCommandErrorTitle;
rct_string_id gGameCommandErrorText;
uint8 gErrorType;
rct_string_id gErrorStringId;
int game_command_callback_get_index(GAME_COMMAND_CALLBACK_POINTER* callback)
{
for (int i = 0; i < countof(game_command_callback_table); i++ ) {
if (game_command_callback_table[i] == callback) {
return i;
}
}
return 0;
}
GAME_COMMAND_CALLBACK_POINTER* game_command_callback_get_callback(int index)
{
if (index < countof(game_command_callback_table)) {
return game_command_callback_table[index];
}
return 0;
}
void game_increase_game_speed()
{
gGameSpeed = min(gConfigGeneral.debugging_tools ? 5 : 4, gGameSpeed + 1);
if (gGameSpeed == 5)
gGameSpeed = 8;
window_invalidate_by_class(WC_TOP_TOOLBAR);
}
void game_reduce_game_speed()
{
gGameSpeed = max(1, gGameSpeed - 1);
if (gGameSpeed == 7)
gGameSpeed = 4;
window_invalidate_by_class(WC_TOP_TOOLBAR);
}
/**
*
* rct2: 0x0066B5C0 (part of 0x0066B3E8)
*/
void game_create_windows()
{
window_main_open();
window_top_toolbar_open();
window_game_bottom_toolbar_open();
window_resize_gui(gScreenWidth, gScreenHeight);
}
/**
*
* rct2: 0x006838BD
*/
void update_palette_effects()
{
rct_water_type* water_type = (rct_water_type*)object_entry_groups[OBJECT_TYPE_WATER].chunks[0];
if (gClimateLightningFlash == 1) {
// change palette to lighter colour during lightning
int palette = 1532;
if ((intptr_t)water_type != -1) {
palette = water_type->image_id;
}
rct_g1_element g1_element = g1Elements[palette];
int xoffset = g1_element.x_offset;
xoffset = xoffset * 4;
uint8 *paletteOffset = gGamePalette + xoffset;
for (int i = 0; i < g1_element.width; i++) {
paletteOffset[(i * 4) + 0] = -((0xFF - g1_element.offset[(i * 3) + 0]) / 2) - 1;
paletteOffset[(i * 4) + 1] = -((0xFF - g1_element.offset[(i * 3) + 1]) / 2) - 1;
paletteOffset[(i * 4) + 2] = -((0xFF - g1_element.offset[(i * 3) + 2]) / 2) - 1;
}
platform_update_palette(gGamePalette, 10, 236);
gClimateLightningFlash++;
} else {
if (gClimateLightningFlash == 2) {
// change palette back to normal after lightning
int palette = 1532;
if ((intptr_t)water_type != -1) {
palette = water_type->image_id;
}
rct_g1_element g1_element = g1Elements[palette];
int xoffset = g1_element.x_offset;
xoffset = xoffset * 4;
uint8 *paletteOffset = gGamePalette + xoffset;
for (int i = 0; i < g1_element.width; i++) {
paletteOffset[(i * 4) + 0] = g1_element.offset[(i * 3) + 0];
paletteOffset[(i * 4) + 1] = g1_element.offset[(i * 3) + 1];
paletteOffset[(i * 4) + 2] = g1_element.offset[(i * 3) + 2];
}
}
// animate the water/lava/chain movement palette
int q = 0;
if (gConfigGeneral.render_weather_gloom) {
uint8 gloom = gClimateCurrentWeatherGloom;
if (gloom != 0) {
uint32 weatherColour = ClimateWeatherGloomColours[gloom];
q = 1;
if (weatherColour != 0x2000031) {
q = 2;
}
}
}
uint32 j = gPaletteEffectFrame;
j = (((uint16)((~j / 2) * 128) * 15) >> 16);
int p = 1533;
if ((intptr_t)water_type != -1) {
p = water_type->var_06;
}
rct_g1_element g1_element = g1Elements[q + p];
uint8* vs = &g1_element.offset[j * 3];
uint8* vd = &gGamePalette[230 * 4];
int n = 5;
for (int i = 0; i < n; i++) {
vd[0] = vs[0];
vd[1] = vs[1];
vd[2] = vs[2];
vs += 9;
if (vs >= &g1_element.offset[9 * n]) {
vs -= 9 * n;
}
vd += 4;
}
p = 1536;
if ((intptr_t)water_type != -1) {
p = water_type->var_0A;
}
g1_element = g1Elements[q + p];
vs = &g1_element.offset[j * 3];
n = 5;
for (int i = 0; i < n; i++) {
vd[0] = vs[0];
vd[1] = vs[1];
vd[2] = vs[2];
vs += 9;
if (vs >= &g1_element.offset[9 * n]) {
vs -= 9 * n;
}
vd += 4;
}
j = ((uint16)(gPaletteEffectFrame * -960) * 3) >> 16;
p = 1539;
g1_element = g1Elements[q + p];
vs = &g1_element.offset[j * 3];
vd += 12;
n = 3;
for (int i = 0; i < n; i++) {
vd[0] = vs[0];
vd[1] = vs[1];
vd[2] = vs[2];
vs += 3;
if (vs >= &g1_element.offset[3 * n]) {
vs -= 3 * n;
}
vd += 4;
}
platform_update_palette(gGamePalette, 230, 16);
if (gClimateLightningFlash == 2) {
platform_update_palette(gGamePalette, 10, 236);
gClimateLightningFlash = 0;
}
}
}
void game_update()
{
int i, numUpdates;
// 0x006E3AEC // screen_game_process_mouse_input();
screenshot_check();
game_handle_keyboard_input();
// Determine how many times we need to update the game
if (gGameSpeed > 1) {
numUpdates = 1 << (gGameSpeed - 1);
} else {
numUpdates = gTicksSinceLastUpdate / 31;
numUpdates = clamp(1, numUpdates, 4);
}
if (network_get_mode() == NETWORK_MODE_CLIENT && network_get_status() == NETWORK_STATUS_CONNECTED && network_get_authstatus() == NETWORK_AUTH_OK) {
if (network_get_server_tick() - gCurrentTicks >= 10) {
// make sure client doesn't fall behind the server too much
numUpdates += 10;
}
}
if (game_is_paused()) {
numUpdates = 0;
// Update the animation list. Note this does not
// increment the map animation.
map_animation_invalidate_all();
}
// Update the game one or more times
for (i = 0; i < numUpdates; i++) {
game_logic_update();
if (gGameSpeed > 1)
continue;
if (gInputState == INPUT_STATE_RESET ||
gInputState == INPUT_STATE_NORMAL
) {
if (gInputFlags & INPUT_FLAG_VIEWPORT_SCROLLING) {
gInputFlags &= ~INPUT_FLAG_VIEWPORT_SCROLLING;
break;
}
} else {
break;
}
}
// Always perform autosave check, even when paused
if (!(gScreenFlags & SCREEN_FLAGS_TITLE_DEMO) &&
!(gScreenFlags & SCREEN_FLAGS_TRACK_DESIGNER) &&
!(gScreenFlags & SCREEN_FLAGS_TRACK_MANAGER)
) {
scenario_autosave_check();
}
window_dispatch_update_all();
gGameCommandNestLevel = 0;
gInputFlags &= ~INPUT_FLAG_VIEWPORT_SCROLLING;
// the flickering frequency is reduced by 4, compared to the original
// it was done due to inability to reproduce original frequency
// and decision that the original one looks too fast
if (gCurrentTicks % 4 == 0)
gWindowMapFlashingFlags ^= (1 << 15);
// Handle guest map flashing
gWindowMapFlashingFlags &= ~(1 << 1);
if (gWindowMapFlashingFlags & (1 << 0))
gWindowMapFlashingFlags |= (1 << 1);
gWindowMapFlashingFlags &= ~(1 << 0);
// Handle staff map flashing
gWindowMapFlashingFlags &= ~(1 << 3);
if (gWindowMapFlashingFlags & (1 << 2))
gWindowMapFlashingFlags |= (1 << 3);
gWindowMapFlashingFlags &= ~(1 << 2);
window_map_tooltip_update_visibility();
// Input
gUnk141F568 = gUnk13CA740;
game_handle_input();
}
void game_logic_update()
{
///////////////////////////
gInUpdateCode = true;
///////////////////////////
network_update();
if (network_get_mode() == NETWORK_MODE_CLIENT && network_get_status() == NETWORK_STATUS_CONNECTED && network_get_authstatus() == NETWORK_AUTH_OK) {
if (gCurrentTicks >= network_get_server_tick()) {
// don't run past the server
return;
}
}
gCurrentTicks++;
gScenarioTicks++;
gScreenAge++;
if (gScreenAge == 0)
gScreenAge--;
sub_68B089();
scenario_update();
climate_update();
map_update_tiles();
// Temporarily remove provisional paths to prevent peep from interacting with them
map_remove_provisional_elements();
map_update_path_wide_flags();
peep_update_all();
map_restore_provisional_elements();
vehicle_update_all();
sprite_misc_update_all();
ride_update_all();
park_update();
research_update();
ride_ratings_update_all();
ride_measurements_update();
news_item_update_current();
///////////////////////////
gInUpdateCode = false;
///////////////////////////
map_animation_invalidate_all();
vehicle_sounds_update();
peep_update_crowd_noise();
climate_update_sound();
editor_open_windows_for_current_step();
gSavedAge++;
// Update windows
//window_dispatch_update_all();
if (gErrorType != ERROR_TYPE_NONE) {
rct_string_id title_text = STR_UNABLE_TO_LOAD_FILE;
rct_string_id body_text = gErrorStringId;
if (gErrorType == ERROR_TYPE_GENERIC) {
title_text = gErrorStringId;
body_text = 0xFFFF;
}
gErrorType = ERROR_TYPE_NONE;
window_error_open(title_text, body_text);
}
}
/**
*
* rct2: 0x0069C62C
*
* @param cost (ebp)
*/
static int game_check_affordability(int cost)
{
if (cost <= 0)return cost;
if (gUnk141F568 & 0xF0) return cost;
if (cost <= (sint32)(DECRYPT_MONEY(gCashEncrypted)))return cost;
set_format_arg(0, uint32, cost);
gGameCommandErrorText = STR_NOT_ENOUGH_CASH_REQUIRES;
return MONEY32_UNDEFINED;
}
/**
*
* rct2: 0x006677F2
*
* @param flags (ebx)
* @param command (esi)
*/
int game_do_command(int eax, int ebx, int ecx, int edx, int esi, int edi, int ebp)
{
return game_do_command_p(esi, &eax, &ebx, &ecx, &edx, &esi, &edi, &ebp);
}
/**
*
* rct2: 0x006677F2 with pointers as arguments
*
* @param flags (ebx)
* @param command (esi)
*/
int game_do_command_p(int command, int *eax, int *ebx, int *ecx, int *edx, int *esi, int *edi, int *ebp)
{
int cost, flags, insufficientFunds;
int original_ebx, original_edx, original_esi, original_edi, original_ebp;
*esi = command;
original_ebx = *ebx;
original_edx = *edx;
original_esi = *esi;
original_edi = *edi;
original_ebp = *ebp;
if (command >= countof(new_game_command_table)) {
return MONEY32_UNDEFINED;
}
flags = *ebx;
if (gGameCommandNestLevel == 0) {
gGameCommandErrorText = STR_NONE;
gGameCommandIsNetworked = (flags & GAME_COMMAND_FLAG_NETWORKED) != 0;
}
// Increment nest count
gGameCommandNestLevel++;
// Remove ghost scenery so it doesn't interfere with incoming network command
if ((flags & GAME_COMMAND_FLAG_NETWORKED) && !(flags & GAME_COMMAND_FLAG_GHOST) &&
(command == GAME_COMMAND_PLACE_FENCE ||
command == GAME_COMMAND_PLACE_SCENERY ||
command == GAME_COMMAND_PLACE_LARGE_SCENERY ||
command == GAME_COMMAND_PLACE_BANNER ||
command == GAME_COMMAND_PLACE_PATH)) {
scenery_remove_ghost_tool_placement();
}
if (game_command_playerid == -1) {
game_command_playerid = network_get_current_player_id();
}
*ebx &= ~GAME_COMMAND_FLAG_APPLY;
// First call for validity and price check
new_game_command_table[command](eax, ebx, ecx, edx, esi, edi, ebp);
cost = *ebx;
if (cost != MONEY32_UNDEFINED) {
// Check funds
insufficientFunds = 0;
if (gGameCommandNestLevel == 1 && !(flags & GAME_COMMAND_FLAG_2) && !(flags & GAME_COMMAND_FLAG_5) && cost != 0)
insufficientFunds = game_check_affordability(cost);
if (insufficientFunds != MONEY32_UNDEFINED) {
*ebx = original_ebx;
*edx = original_edx;
*esi = original_esi;
*edi = original_edi;
*ebp = original_ebp;
if (!(flags & GAME_COMMAND_FLAG_APPLY)) {
// Decrement nest count
gGameCommandNestLevel--;
return cost;
}
if (network_get_mode() != NETWORK_MODE_NONE && !(flags & GAME_COMMAND_FLAG_NETWORKED) && !(flags & GAME_COMMAND_FLAG_GHOST) && !(flags & GAME_COMMAND_FLAG_5) && gGameCommandNestLevel == 1 /* Send only top-level commands */) {
if (command != GAME_COMMAND_LOAD_OR_QUIT) { // Disable these commands over the network
network_send_gamecmd(*eax, *ebx, *ecx, *edx, *esi, *edi, *ebp, game_command_callback_get_index(game_command_callback));
if (network_get_mode() == NETWORK_MODE_CLIENT) { // Client sent the command to the server, do not run it locally, just return. It will run when server sends it
game_command_callback = 0;
// Decrement nest count
gGameCommandNestLevel--;
return cost;
}
}
}
// Second call to actually perform the operation
new_game_command_table[command](eax, ebx, ecx, edx, esi, edi, ebp);
// Do the callback (required for multiplayer to work correctly), but only for top level commands
if (gGameCommandNestLevel == 1) {
if (game_command_callback && !(flags & GAME_COMMAND_FLAG_GHOST)) {
game_command_callback(*eax, *ebx, *ecx, *edx, *esi, *edi, *ebp);
game_command_callback = 0;
}
}
game_command_playerid = -1;
*edx = *ebx;
if (*edx != MONEY32_UNDEFINED && *edx < cost)
cost = *edx;
// Decrement nest count
gGameCommandNestLevel--;
if (gGameCommandNestLevel != 0)
return cost;
//
if (!(flags & 0x20)) {
// Update money balance
finance_payment(cost, gCommandExpenditureType);
if (gUnk141F568 == gUnk13CA740) {
// Create a +/- money text effect
if (cost != 0)
money_effect_create(cost);
}
}
if (network_get_mode() == NETWORK_MODE_SERVER && !(flags & GAME_COMMAND_FLAG_NETWORKED) && !(flags & GAME_COMMAND_FLAG_GHOST)) {
network_set_player_last_action(network_get_player_index(network_get_current_player_id()), command);
network_add_player_money_spent(network_get_current_player_id(), cost);
}
return cost;
}
}
// Error occurred
// Decrement nest count
gGameCommandNestLevel--;
// Clear the game command callback to prevent the next command triggering it
game_command_callback = 0;
// Show error window
if (gGameCommandNestLevel == 0 && (flags & GAME_COMMAND_FLAG_APPLY) && gUnk141F568 == gUnk13CA740 && !(flags & GAME_COMMAND_FLAG_ALLOW_DURING_PAUSED) && !(flags & GAME_COMMAND_FLAG_NETWORKED))
window_error_open(gGameCommandErrorTitle, gGameCommandErrorText);
return MONEY32_UNDEFINED;
}
void pause_toggle()
{
gGamePaused ^= GAME_PAUSED_NORMAL;
window_invalidate_by_class(WC_TOP_TOOLBAR);
if (gGamePaused & GAME_PAUSED_NORMAL) {
audio_pause_sounds();
audio_unpause_sounds();
} else {
audio_unpause_sounds();
}
}
bool game_is_paused()
{
return gGamePaused != 0;
}
bool game_is_not_paused()
{
return gGamePaused == 0;
}
/**
*
* rct2: 0x00667C15
*/
void game_pause_toggle(int *eax, int *ebx, int *ecx, int *edx, int *esi, int *edi, int *ebp)
{
if (*ebx & GAME_COMMAND_FLAG_APPLY)
pause_toggle();
*ebx = 0;
}
/**
*
* rct2: 0x0066DB5F
*/
static void game_load_or_quit(int *eax, int *ebx, int *ecx, int *edx, int *esi, int *edi, int *ebp)
{
if (*ebx & GAME_COMMAND_FLAG_APPLY) {
switch (*edx & 0xFF) {
case 0:
gSavePromptMode = *edi & 0xFF;
window_save_prompt_open();
break;
case 1:
window_close_by_class(WC_SAVE_PROMPT);
break;
default:
game_load_or_quit_no_save_prompt();
break;
}
}
*ebx = 0;
}
/**
*
* rct2: 0x0066DC0F
*/
static void load_landscape()
{
window_loadsave_open(LOADSAVETYPE_LOAD | LOADSAVETYPE_LANDSCAPE, NULL);
}
static void utf8_to_rct2_self(char *buffer, size_t length)
{
char tempBuffer[512];
utf8_to_rct2(tempBuffer, buffer);
size_t i = 0;
const char *src = tempBuffer;
char *dst = buffer;
while (*src != 0 && i < length - 1) {
if (*src == (char)0xFF) {
if (i < length - 3) {
*dst++ = *src++;
*dst++ = *src++;
*dst++ = *src++;
} else {
break;
}
i += 3;
} else {
*dst++ = *src++;
i++;
}
}
do {
*dst++ = '\0';
i++;
} while (i < length);
}
static void rct2_to_utf8_self(char *buffer, size_t length)
{
char tempBuffer[512];
if (length > 0) {
rct2_to_utf8(tempBuffer, buffer);
safe_strcpy(buffer, tempBuffer, length);
}
}
/**
* Converts all the user strings and news item strings to UTF-8.
*/
void game_convert_strings_to_utf8()
{
// Scenario details
rct2_to_utf8_self(gScenarioCompletedBy, 32);
rct2_to_utf8_self(gScenarioName, 64);
rct2_to_utf8_self(gScenarioDetails, 256);
// User strings
for (int i = 0; i < MAX_USER_STRINGS; i++) {
utf8 *userString = &gUserStrings[i * USER_STRING_MAX_LENGTH];
if (!str_is_null_or_empty(userString)) {
rct2_to_utf8_self(userString, 32);
utf8_remove_formatting(userString, true);
}
}
// News items
for (int i = 0; i < MAX_NEWS_ITEMS; i++) {
rct_news_item *newsItem = news_item_get(i);
if (!str_is_null_or_empty(newsItem->text)) {
rct2_to_utf8_self(newsItem->text, 256);
}
}
}
/**
* Converts all the user strings and news item strings to RCT2 encoding.
*/
void game_convert_strings_to_rct2(rct_s6_data *s6)
{
// Scenario details
utf8_to_rct2_self(s6->scenario_completed_name, sizeof(s6->scenario_completed_name));
utf8_to_rct2_self(s6->scenario_name, sizeof(s6->scenario_name));
utf8_to_rct2_self(s6->scenario_description, sizeof(s6->scenario_description));
// User strings
for (int i = 0; i < MAX_USER_STRINGS; i++) {
char *userString = &s6->custom_strings[i * USER_STRING_MAX_LENGTH];
if (!str_is_null_or_empty(userString)) {
utf8_to_rct2_self(userString, 32);
}
}
// News items
for (int i = 0; i < MAX_NEWS_ITEMS; i++) {
rct_news_item *newsItem = &s6->news_items[i];
if (!str_is_null_or_empty(newsItem->text)) {
utf8_to_rct2_self(newsItem->text, 256);
}
}
}
// OpenRCT2 workaround to recalculate some values which are saved redundantly in the save to fix corrupted files.
// For example recalculate guest count by looking at all the guests instead of trusting the value in the file.
void game_fix_save_vars() {
// Recalculates peep count after loading a save to fix corrupted files
rct_peep* peep;
uint16 spriteIndex;
uint16 peepCount = 0;
FOR_ALL_GUESTS(spriteIndex, peep) {
if(!peep->outside_of_park)
peepCount++;
}
gNumGuestsInPark = peepCount;
peep_sort();
// Fixes broken saves where a surface element could be null
for (int y = 0; y < 256; y++) {
for (int x = 0; x < 256; x++) {
rct_map_element *mapElement = map_get_surface_element_at(x, y);
if (mapElement == NULL)
{
log_error("Null map element at x = %d and y = %d. Fixing...", x, y);
mapElement = map_element_insert(x, y, 14, 0);
if (mapElement == NULL) {
log_error("Unable to fix: Map element limit reached.");
return;
}
}
}
}
// Fix invalid research items
for (int i = 0; i < 500; i++) {
rct_research_item *researchItem = &gResearchItems[i];
if (researchItem->entryIndex == RESEARCHED_ITEMS_SEPARATOR) continue;
if (researchItem->entryIndex == RESEARCHED_ITEMS_END) continue;
if (researchItem->entryIndex == RESEARCHED_ITEMS_END_2) break;
if (researchItem->entryIndex & 0x10000) {
uint8 entryIndex = researchItem->entryIndex & 0xFF;
rct_ride_entry *rideEntry = get_ride_entry(entryIndex);
if (rideEntry == NULL || rideEntry == (rct_ride_entry*)-1) {
research_remove(researchItem->entryIndex);
i--;
}
} else {
uint8 entryIndex = researchItem->entryIndex;
rct_scenery_set_entry *sceneryGroupEntry = get_scenery_group_entry(entryIndex);
if (sceneryGroupEntry == NULL || sceneryGroupEntry == (rct_scenery_set_entry*)-1) {
research_remove(researchItem->entryIndex);
i--;
}
}
}
}
/**
*
* rct2: 0x00675E1B
*/
bool game_load_save(const utf8 *path)
{
log_verbose("loading saved game, %s", path);
safe_strcpy((char*)gRCT2AddressSavedGamesPath2, path, MAX_PATH);
safe_strcpy(gScenarioSavePath, path, MAX_PATH);
SDL_RWops* rw = SDL_RWFromFile(path, "rb");
if (rw == NULL) {
log_error("unable to open %s", path);
gErrorType = ERROR_TYPE_FILE_LOAD;
gGameCommandErrorTitle = STR_FILE_CONTAINS_INVALID_DATA;
return false;
}
uint32 extension_type = get_file_extension_type(path);
bool result = false;
if (extension_type == FILE_EXTENSION_SV6) {
result = game_load_sv6(rw);
} else if (extension_type == FILE_EXTENSION_SV4) {
result = rct1_load_saved_game(path);
if (result)
gFirstTimeSave = 1;
}
SDL_RWclose(rw);
if (result) {
if (network_get_mode() == NETWORK_MODE_CLIENT) {
network_close();
}
game_load_init();
if (network_get_mode() == NETWORK_MODE_SERVER) {
network_send_map();
}
return true;
} else {
// If loading the SV6 or SV4 failed, the current park state will be corrupted
// so just go back to the title screen.
title_load();
return false;
}
}
void game_load_init()
{
rct_window *mainWindow;
gScreenFlags = SCREEN_FLAGS_PLAYING;
audio_stop_all_music_and_sounds();
viewport_init_all();
game_create_windows();
mainWindow = window_get_main();
mainWindow->viewport_target_sprite = -1;
mainWindow->saved_view_x = gSavedViewX;
mainWindow->saved_view_y = gSavedViewY;
uint8 zoomDifference = gSavedViewZoom - mainWindow->viewport->zoom;
mainWindow->viewport->zoom = gSavedViewZoom;
gCurrentRotation = gSavedViewRotation;
if (zoomDifference != 0) {
if (zoomDifference < 0) {
zoomDifference = -zoomDifference;
mainWindow->viewport->view_width >>= zoomDifference;
mainWindow->viewport->view_height >>= zoomDifference;
} else {
mainWindow->viewport->view_width <<= zoomDifference;
mainWindow->viewport->view_height <<= zoomDifference;
}
}
mainWindow->saved_view_x -= mainWindow->viewport->view_width >> 1;
mainWindow->saved_view_y -= mainWindow->viewport->view_height >> 1;
window_invalidate(mainWindow);
if (network_get_mode() != NETWORK_MODE_CLIENT)
{
reset_sprite_spatial_index();
}
reset_all_sprite_quadrant_placements();
scenery_set_default_placement_configuration();
window_new_ride_init_vars();
gWindowUpdateTicks = 0;
load_palette();
gfx_invalidate_screen();
window_update_all();
gGameSpeed = 1;
}
/**
*
* rct2: 0x0069E9A7
* Call after a rotation or loading of a save to reset sprite quadrants
*/
void reset_all_sprite_quadrant_placements()
{
for (size_t i = 0; i < MAX_SPRITES; i++) {
rct_sprite *spr = get_sprite(i);
if (spr->unknown.sprite_identifier != SPRITE_IDENTIFIER_NULL) {
sprite_move(spr->unknown.x, spr->unknown.y, spr->unknown.z, spr);
}
}
}
void save_game()
{
if (!gFirstTimeSave) {
log_verbose("Saving to %s", gScenarioSavePath);
SDL_RWops* rw = SDL_RWFromFile(gScenarioSavePath, "wb+");
if (rw != NULL) {
scenario_save(rw, 0x80000000 | (gConfigGeneral.save_plugin_data ? 1 : 0));
log_verbose("Saved to %s", gScenarioSavePath);
SDL_RWclose(rw);
// Setting screen age to zero, so no prompt will pop up when closing the
// game shortly after saving.
gScreenAge = 0;
}
} else {
save_game_as();
}
}
void save_game_as()
{
char name[MAX_PATH];
safe_strcpy(name, path_get_filename(gScenarioSavePath), MAX_PATH);
path_remove_extension(name);
window_loadsave_open(LOADSAVETYPE_SAVE | LOADSAVETYPE_GAME, name);
}
static int compare_autosave_file_paths (const void * a, const void * b ) {
return strcmp(*(char **)a, *(char **)b);
}
static void limit_autosave_count(const size_t numberOfFilesToKeep)
{
int fileEnumHandle = 0;
size_t autosavesCount = 0;
size_t numAutosavesToDelete = 0;
file_info fileInfo;
utf8 filter[MAX_PATH];
utf8 **autosaveFiles = NULL;
size_t i=0;
platform_get_user_directory(filter, "save", sizeof(filter));
safe_strcat_path(filter, "autosave_*.sv6", sizeof(filter));
// At first, count how many autosaves there are
fileEnumHandle = platform_enumerate_files_begin(filter);
while (platform_enumerate_files_next(fileEnumHandle, &fileInfo)) {
autosavesCount++;
}
platform_enumerate_files_end(fileEnumHandle);
// If there are fewer autosaves than the number of files to keep we don't need to delete anything
if(autosavesCount <= numberOfFilesToKeep) {
return;
}
autosaveFiles = (utf8**) malloc(sizeof(utf8*) * autosavesCount);
fileEnumHandle = platform_enumerate_files_begin(filter);
for(i = 0; i < autosavesCount; i++) {
autosaveFiles[i] = (utf8*)malloc(sizeof(utf8) * MAX_PATH);
memset(autosaveFiles[i], 0, sizeof(utf8) * MAX_PATH);
if(platform_enumerate_files_next(fileEnumHandle, &fileInfo)) {
platform_get_user_directory(autosaveFiles[i], "save", sizeof(utf8) * MAX_PATH);
safe_strcat_path(autosaveFiles[i], fileInfo.path, sizeof(utf8) * MAX_PATH);
}
}
platform_enumerate_files_end(fileEnumHandle);
qsort (autosaveFiles, autosavesCount, sizeof (char*), compare_autosave_file_paths);
// calculate how many saves we need to delete.
numAutosavesToDelete = autosavesCount - numberOfFilesToKeep;
i=0;
while (numAutosavesToDelete > 0) {
platform_file_delete(autosaveFiles[i]);
i++;
numAutosavesToDelete--;
}
for(i = 0; i < autosavesCount; i++) {
free(autosaveFiles[i]);
}
free(autosaveFiles);
}
void game_autosave()
{
const char * subDirectory = "save";
const char * fileExtension = ".sv6";
uint32 saveFlags = 0x80000000;
if (gScreenFlags & SCREEN_FLAGS_EDITOR) {
subDirectory = "landscape";
fileExtension = ".sc6";
saveFlags |= 2;
}
// retrieve current time
rct2_date currentDate;
platform_get_date_local(&currentDate);
rct2_time currentTime;
platform_get_time_local(&currentTime);
utf8 timeName[34];
snprintf(timeName, 34, "autosave_%d-%02d-%02d_%02d-%02d-%02d%s",
currentDate.year, currentDate.month, currentDate.day, currentTime.hour, currentTime.minute,currentTime.second,
fileExtension);
limit_autosave_count(NUMBER_OF_AUTOSAVES_TO_KEEP);
utf8 path[MAX_PATH];
utf8 backupPath[MAX_PATH];
platform_get_user_directory(path, subDirectory, sizeof(path));
safe_strcpy(backupPath, path, sizeof(backupPath));
safe_strcat_path(path, timeName, sizeof(path));
safe_strcat_path(backupPath, "autosave", sizeof(backupPath));
safe_strcat(backupPath, fileExtension, sizeof(backupPath));
safe_strcat(backupPath, ".bak", sizeof(backupPath));
if (platform_file_exists(path)) {
platform_file_copy(path, backupPath, true);
}
SDL_RWops* rw = SDL_RWFromFile(path, "wb+");
if (rw != NULL) {
scenario_save(rw, saveFlags);
SDL_RWclose(rw);
}
}
/**
*
* rct2: 0x006E3838
*/
void rct2_exit_reason(rct_string_id title, rct_string_id body){
// Before this would set a quit message
char exit_title[255];
format_string(exit_title, 256, title, 0);
char exit_body[255];
format_string(exit_body, 256, body, 0);
log_error(exit_title);
log_error(exit_body);
rct2_exit();
}
/**
*
* rct2: 0x006E3879
*/
void rct2_exit()
{
openrct2_finish();
}
/**
*
* rct2: 0x0066DB79
*/
void game_load_or_quit_no_save_prompt()
{
switch (gSavePromptMode) {
case PM_SAVE_BEFORE_LOAD:
game_do_command(0, 1, 0, 1, GAME_COMMAND_LOAD_OR_QUIT, 0, 0);
tool_cancel();
if (gScreenFlags & SCREEN_FLAGS_SCENARIO_EDITOR) {
load_landscape();
} else {
window_loadsave_open(LOADSAVETYPE_LOAD | LOADSAVETYPE_GAME, NULL);
}
break;
case PM_SAVE_BEFORE_QUIT:
game_do_command(0, 1, 0, 1, GAME_COMMAND_LOAD_OR_QUIT, 0, 0);
tool_cancel();
if (gInputFlags & INPUT_FLAG_5) {
gInputFlags &= ~INPUT_FLAG_5;
}
gGameSpeed = 1;
gFirstTimeSave = 1;
title_load();
break;
default:
rct2_exit();
break;
}
}
GAME_COMMAND_POINTER* new_game_command_table[GAME_COMMAND_COUNT] = {
game_command_set_ride_appearance,
game_command_set_land_height,
game_pause_toggle,
game_command_place_track,
game_command_remove_track,
game_load_or_quit,
game_command_create_ride,
game_command_demolish_ride,
game_command_set_ride_status,
game_command_set_ride_vehicles,
game_command_set_ride_name,
game_command_set_ride_setting,
game_command_place_ride_entrance_or_exit,
game_command_remove_ride_entrance_or_exit,
game_command_remove_scenery,
game_command_place_scenery,
game_command_set_water_height,
game_command_place_footpath,
game_command_place_footpath_from_track,
game_command_remove_footpath,
game_command_change_surface_style,
game_command_set_ride_price,
game_command_set_guest_name,
game_command_set_staff_name,
game_command_raise_land,
game_command_lower_land,
game_command_smooth_land,
game_command_raise_water,
game_command_lower_water,
game_command_set_brakes_speed,
game_command_hire_new_staff_member,
game_command_set_staff_patrol,
game_command_fire_staff_member,
game_command_set_staff_order,
game_command_set_park_name,
game_command_set_park_open,
game_command_buy_land_rights,
game_command_place_park_entrance,
game_command_remove_park_entrance,
game_command_set_maze_track,
game_command_set_park_entrance_fee,
game_command_update_staff_colour,
game_command_place_fence,
game_command_remove_fence,
game_command_place_large_scenery,
game_command_remove_large_scenery,
game_command_set_current_loan,
game_command_set_research_funding,
game_command_place_track_design,
game_command_start_campaign,
game_command_place_maze_design,
game_command_place_banner,
game_command_remove_banner,
game_command_set_scenery_colour,
game_command_set_fence_colour,
game_command_set_large_scenery_colour,
game_command_set_banner_colour,
game_command_set_land_ownership,
game_command_clear_scenery,
game_command_set_banner_name,
game_command_set_sign_name,
game_command_set_banner_style,
game_command_set_sign_style,
game_command_set_player_group,
game_command_modify_groups,
game_command_kick_player,
game_command_cheat,
game_command_pickup_guest,
game_command_pickup_staff,
game_command_balloon_press,
};
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