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OpenRCT2/src/game.c

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/*****************************************************************************
* Copyright (c) 2014 Ted John, Peter Hill
* 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 "addresses.h"
#include "audio/audio.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 "ride/ride.h"
#include "ride/ride_ratings.h"
#include "ride/vehicle.h"
#include "ride/track.h"
#include "scenario.h"
#include "title.h"
#include "tutorial.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"
int gGameSpeed = 1;
float gDayNightCycle = 0;
bool gInUpdateCode = false;
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,
};
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(RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_WIDTH, uint16), RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_HEIGHT, uint16));
}
/**
*
* rct2: 0x006838BD
*/
void update_palette_effects()
{
rct_water_type* water_type = (rct_water_type*)object_entry_groups[OBJECT_TYPE_WATER].chunks[0];
if (RCT2_GLOBAL(RCT2_ADDRESS_LIGHTNING_ACTIVE, uint8) == 1) {
// change palette to lighter color during lightning
int palette = 1532;
if ((sint32)water_type != -1) {
palette = water_type->image_id;
}
rct_g1_element g1_element = g1Elements[palette];
int xoffset = g1_element.x_offset;
xoffset = xoffset * 4;
for (int i = 0; i < g1_element.width; i++) {
RCT2_ADDRESS(RCT2_ADDRESS_PALETTE + xoffset, uint8)[(i * 4) + 0] = -((0xFF - g1_element.offset[(i * 3) + 0]) / 2) - 1;
RCT2_ADDRESS(RCT2_ADDRESS_PALETTE + xoffset, uint8)[(i * 4) + 1] = -((0xFF - g1_element.offset[(i * 3) + 1]) / 2) - 1;
RCT2_ADDRESS(RCT2_ADDRESS_PALETTE + xoffset, uint8)[(i * 4) + 2] = -((0xFF - g1_element.offset[(i * 3) + 2]) / 2) - 1;
}
RCT2_GLOBAL(0x014241BC, uint32) = 2;
platform_update_palette(RCT2_ADDRESS(RCT2_ADDRESS_PALETTE, uint8), 10, 236);
RCT2_GLOBAL(0x014241BC, uint32) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_LIGHTNING_ACTIVE, uint8)++;
} else {
if (RCT2_GLOBAL(RCT2_ADDRESS_LIGHTNING_ACTIVE, uint8) == 2) {
// change palette back to normal after lightning
int palette = 1532;
if ((sint32)water_type != -1) {
palette = water_type->image_id;
}
rct_g1_element g1_element = g1Elements[palette];
int xoffset = g1_element.x_offset;
xoffset = xoffset * 4;
for (int i = 0; i < g1_element.width; i++) {
RCT2_ADDRESS(RCT2_ADDRESS_PALETTE + xoffset, uint8)[(i * 4) + 0] = g1_element.offset[(i * 3) + 0];
RCT2_ADDRESS(RCT2_ADDRESS_PALETTE + xoffset, uint8)[(i * 4) + 1] = g1_element.offset[(i * 3) + 1];
RCT2_ADDRESS(RCT2_ADDRESS_PALETTE + xoffset, uint8)[(i * 4) + 2] = g1_element.offset[(i * 3) + 2];
}
}
// animate the water/lava/chain movement palette
int q = 0;
int weather_colour = RCT2_ADDRESS(0x98195C, uint32)[RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_WEATHER_GLOOM, uint8)];
if (weather_colour != -1) {
q = 1;
if (weather_colour != 0x2000031) {
q = 2;
}
}
uint32 j = RCT2_GLOBAL(RCT2_ADDRESS_PALETTE_EFFECT_FRAME_NO, uint32);
j = (((uint16)((~j / 2) * 128) * 15) >> 16);
int p = 1533;
if ((sint32)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 = RCT2_ADDRESS(0x01424A18, uint8);
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 ((sint32)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)(RCT2_GLOBAL(RCT2_ADDRESS_PALETTE_EFFECT_FRAME_NO, uint32) * -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;
}
RCT2_GLOBAL(0x014241BC, uint32) = 2;
platform_update_palette(RCT2_ADDRESS(RCT2_ADDRESS_PALETTE, uint8), 230, 16);
RCT2_GLOBAL(0x014241BC, uint32) = 0;
if (RCT2_GLOBAL(RCT2_ADDRESS_LIGHTNING_ACTIVE, uint8) == 2) {
RCT2_GLOBAL(0x014241BC, uint32) = 2;
platform_update_palette(RCT2_ADDRESS(RCT2_ADDRESS_PALETTE, uint8), 10, 236);
RCT2_GLOBAL(0x014241BC, uint32) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_LIGHTNING_ACTIVE, uint8) = 0;
}
}
if (RCT2_GLOBAL(0x009E2C4C, uint32) == 2 || RCT2_GLOBAL(0x009E2C4C, uint32) == 1) {
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_CAP_BPP, uint32) != 8) {
RCT2_GLOBAL(0x009E2C78, int) = 1;
}
}
}
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 = RCT2_GLOBAL(RCT2_ADDRESS_TICKS_SINCE_LAST_UPDATE, uint16) / 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() - RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint32) >= 10) {
// make sure client doesn't fall behind the server too much
numUpdates += 10;
}
} else {
if (RCT2_GLOBAL(RCT2_ADDRESS_GAME_PAUSED, uint8) != 0) {
numUpdates = 0;
}
}
// Update the game one or more times
for (i = 0; i < numUpdates; i++) {
game_logic_update();
start_title_music();
if (gGameSpeed > 1)
continue;
// Possibly smooths viewport scrolling, I don't see a difference though
if (RCT2_GLOBAL(0x009E2D74, uint32) == 1) {
RCT2_GLOBAL(0x009E2D74, uint32) = 0;
break;
} else {
if (RCT2_GLOBAL(RCT2_ADDRESS_INPUT_STATE, uint8) == INPUT_STATE_RESET ||
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_STATE, uint8) == INPUT_STATE_NORMAL
) {
if (RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) & INPUT_FLAG_VIEWPORT_SCROLLING) {
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) &= ~INPUT_FLAG_VIEWPORT_SCROLLING;
break;
}
} else {
break;
}
}
}
// Always perform autosave check, even when paused
scenario_autosave_check();
network_update();
news_item_update_current();
window_dispatch_update_all();
RCT2_GLOBAL(0x009A8C28, uint8) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) &= ~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 (RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint32) % 4 == 0)
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_MAP_FLASHING_FLAGS, uint16) ^= (1 << 15);
// Handle guest map flashing
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_MAP_FLASHING_FLAGS, uint16) &= ~(1 << 1);
if (RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_MAP_FLASHING_FLAGS, uint16) & (1 << 0))
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_MAP_FLASHING_FLAGS, uint16) |= (1 << 1);
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_MAP_FLASHING_FLAGS, uint16) &= ~(1 << 0);
// Handle staff map flashing
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_MAP_FLASHING_FLAGS, uint16) &= ~(1 << 3);
if (RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_MAP_FLASHING_FLAGS, uint16) & (1 << 2))
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_MAP_FLASHING_FLAGS, uint16) |= (1 << 3);
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_MAP_FLASHING_FLAGS, uint16) &= ~(1 << 2);
window_map_tooltip_update_visibility();
// Input
RCT2_GLOBAL(0x0141F568, uint8) = RCT2_GLOBAL(0x0013CA740, uint8);
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 (RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint32) >= network_get_server_tick()) {
// dont run past the server
return;
}
}
RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_TICKS, uint32)++;
RCT2_GLOBAL(RCT2_ADDRESS_SCENARIO_TICKS, uint32)++;
RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_AGE, sint16)++;
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_AGE, sint16) == 0)
RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_AGE, sint16)--;
sub_68B089();
scenario_update();
climate_update();
map_update_tiles();
sub_6A876D();
peep_update_all();
vehicle_update_all();
sprite_misc_update_all();
ride_update_all();
park_update();
research_update();
ride_ratings_update_all();
ride_measurements_update();
///////////////////////////
gInUpdateCode = false;
///////////////////////////
map_animation_invalidate_all();
vehicle_sounds_update();
peep_update_crowd_noise();
climate_update_sound();
editor_open_windows_for_current_step();
RCT2_GLOBAL(RCT2_ADDRESS_SAVED_AGE, uint16)++;
// Update windows
//window_dispatch_update_all();
if (RCT2_GLOBAL(RCT2_ADDRESS_ERROR_TYPE, uint8) != 0) {
rct_string_id title_text = STR_UNABLE_TO_LOAD_FILE;
rct_string_id body_text = RCT2_GLOBAL(RCT2_ADDRESS_ERROR_STRING_ID, uint16);
if (RCT2_GLOBAL(RCT2_ADDRESS_ERROR_TYPE, uint8) == 254) {
title_text = RCT2_GLOBAL(RCT2_ADDRESS_ERROR_STRING_ID, uint16);
body_text = 0xFFFF;
}
RCT2_GLOBAL(RCT2_ADDRESS_ERROR_TYPE, uint8) = 0;
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 (RCT2_GLOBAL(0x141F568, uint8) & 0xF0)return cost;
if (!(RCT2_GLOBAL(RCT2_ADDRESS_PARK_FLAGS, uint32)&(1 << 8))){
if (cost <= (sint32)(DECRYPT_MONEY(RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_MONEY_ENCRYPTED, sint32))))return cost;
}
RCT2_GLOBAL(RCT2_ADDRESS_COMMON_FORMAT_ARGS, uint32) = cost;
RCT2_GLOBAL(RCT2_ADDRESS_GAME_COMMAND_ERROR_TEXT, uint16) = 827;
return MONEY32_UNDEFINED;
}
static GAME_COMMAND_POINTER* new_game_command_table[62];
/**
*
* 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;
flags = *ebx;
RCT2_GLOBAL(RCT2_ADDRESS_GAME_COMMAND_ERROR_TEXT, uint16) = 0xFFFF;
// Increment nest count
RCT2_GLOBAL(0x009A8C28, uint8)++;
// 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();
}
*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 (RCT2_GLOBAL(0x009A8C28, uint8) == 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
RCT2_GLOBAL(0x009A8C28, uint8)--;
return cost;
}
if (network_get_mode() != NETWORK_MODE_NONE && !(flags & GAME_COMMAND_FLAG_NETWORKED) && !(flags & GAME_COMMAND_FLAG_GHOST) && !(flags & GAME_COMMAND_FLAG_5) && RCT2_GLOBAL(0x009A8C28, uint8) == 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
RCT2_GLOBAL(0x009A8C28, uint8)--;
return cost;
}
}
}
// Second call to actually perform the operation
new_game_command_table[command](eax, ebx, ecx, edx, esi, edi, ebp);
if (game_command_callback) {
game_command_callback(*eax, *ebx, *ecx, *edx, *esi, *edi, *ebp);
game_command_callback = 0;
}
*edx = *ebx;
if (*edx != MONEY32_UNDEFINED && *edx < cost)
cost = *edx;
// Decrement nest count
RCT2_GLOBAL(0x009A8C28, uint8)--;
if (RCT2_GLOBAL(0x009A8C28, uint8) != 0)
return cost;
//
if (!(flags & 0x20)) {
// Update money balance
finance_payment(cost, RCT2_GLOBAL(RCT2_ADDRESS_NEXT_EXPENDITURE_TYPE, uint8) / 4);
if (RCT2_GLOBAL(0x0141F568, uint8) == RCT2_GLOBAL(0x013CA740, uint8)) {
// Create a +/- money text effect
if (cost != 0)
money_effect_create(cost);
}
}
return cost;
}
}
// Error occured
// Decrement nest count
RCT2_GLOBAL(0x009A8C28, uint8)--;
// Show error window
if (RCT2_GLOBAL(0x009A8C28, uint8) == 0 && (flags & GAME_COMMAND_FLAG_APPLY) && RCT2_GLOBAL(0x0141F568, uint8) == RCT2_GLOBAL(0x013CA740, uint8) && !(flags & GAME_COMMAND_FLAG_ALLOW_DURING_PAUSED))
window_error_open(RCT2_GLOBAL(RCT2_ADDRESS_GAME_COMMAND_ERROR_TITLE, uint16), RCT2_GLOBAL(RCT2_ADDRESS_GAME_COMMAND_ERROR_TEXT, uint16));
return MONEY32_UNDEFINED;
}
void pause_toggle()
{
RCT2_GLOBAL(RCT2_ADDRESS_GAME_PAUSED, uint32) ^= 1;
window_invalidate_by_class(WC_TOP_TOOLBAR);
if (RCT2_GLOBAL(RCT2_ADDRESS_GAME_PAUSED, uint32) & 1) {
pause_sounds();
unpause_sounds();
} else {
unpause_sounds();
}
}
/**
*
* 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:
RCT2_GLOBAL(RCT2_ADDRESS_SAVE_PROMPT_MODE, uint16) = *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: 0x00674F40
*/
static int open_landscape_file_dialog()
{
int result;
format_string((char*)RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, STR_LOAD_LANDSCAPE_DIALOG_TITLE, 0);
safe_strncpy((char*)0x0141EF68, (char*)RCT2_ADDRESS_LANDSCAPES_PATH, MAX_PATH);
format_string((char*)0x0141EE68, STR_RCT2_LANDSCAPE_FILE, 0);
pause_sounds();
result = platform_open_common_file_dialog(1, (char*)RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, (char*)0x0141EF68, "*.SV6;*.SV4;*.SC6", (char*)0x0141EE68);
unpause_sounds();
// window_proc
return result;
}
/**
*
* rct2: 0x00674EB6
*/
static int open_load_game_dialog()
{
int result;
format_string((char*)RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, STR_LOAD_GAME_DIALOG_TITLE, 0);
safe_strncpy((char*)0x0141EF68, (char*)RCT2_ADDRESS_SAVED_GAMES_PATH, MAX_PATH);
format_string((char*)0x0141EE68, STR_RCT2_SAVED_GAME, 0);
pause_sounds();
result = platform_open_common_file_dialog(1, (char*)RCT2_ADDRESS_COMMON_STRING_FORMAT_BUFFER, (char*)0x0141EF68, "*.SV6", (char*)0x0141EE68);
unpause_sounds();
// window_proc
return result;
}
/**
*
* rct2: 0x0066DC0F
*/
static void load_landscape()
{
window_loadsave_open(LOADSAVETYPE_LOAD | LOADSAVETYPE_LANDSCAPE, NULL);
return;
if (open_landscape_file_dialog() == 0) {
gfx_invalidate_screen();
} else {
// Set default filename
char *esi = (char*)0x0141EF67;
while (1) {
esi++;
if (*esi == '.')
break;
if (*esi != 0)
continue;
strcpy(esi, ".SC6");
break;
}
safe_strncpy((char*)RCT2_ADDRESS_SAVED_GAMES_PATH_2, (char*)0x0141EF68, MAX_PATH);
editor_load_landscape((char*)0x0141EF68);
if (1) {
gfx_invalidate_screen();
rct2_endupdate();
} else {
RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_AGE, uint16) = 0;
rct2_endupdate();
}
}
}
/**
* Converts all the user strings and news item strings to UTF-8.
*/
void game_convert_strings_to_utf8()
{
utf8 buffer[512];
// 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(buffer, userString);
memcpy(userString, buffer, 31);
userString[31] = 0;
}
}
// 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(buffer, newsItem->text);
memcpy(newsItem->text, buffer, 255);
newsItem->text[255] = 0;
}
}
}
/**
* Converts all the user strings and news item strings to RCT2 encoding.
*/
void game_convert_strings_to_rct2(rct_s6_data *s6)
{
char buffer[512];
// 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(buffer, userString);
memcpy(userString, buffer, 31);
userString[31] = 0;
}
}
// 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(buffer, newsItem->text);
memcpy(newsItem->text, buffer, 255);
newsItem->text[255] = 0;
}
}
}
/**
*
* rct2: 0x00675E1B
*/
int game_load_sv6(SDL_RWops* rw)
{
int i, j;
if (!sawyercoding_validate_checksum(rw)) {
log_error("invalid checksum");
RCT2_GLOBAL(RCT2_ADDRESS_ERROR_TYPE, uint8) = 255;
RCT2_GLOBAL(RCT2_ADDRESS_GAME_COMMAND_ERROR_TITLE, uint16) = STR_FILE_CONTAINS_INVALID_DATA;
return 0;
}
rct_s6_header *s6Header = (rct_s6_header*)0x009E34E4;
rct_s6_info *s6Info = (rct_s6_info*)0x0141F570;
// Read first chunk
sawyercoding_read_chunk(rw, (uint8*)s6Header);
if (s6Header->type == S6_TYPE_SAVEDGAME) {
// Read packed objects
if (s6Header->num_packed_objects > 0) {
j = 0;
for (i = 0; i < s6Header->num_packed_objects; i++)
j += object_load_packed(rw);
if (j > 0)
object_list_load();
}
}
uint8 load_success = object_read_and_load_entries(rw);
// Read flags (16 bytes)
sawyercoding_read_chunk(rw, (uint8*)RCT2_ADDRESS_CURRENT_MONTH_YEAR);
// Read map elements
memset((void*)RCT2_ADDRESS_MAP_ELEMENTS, 0, MAX_MAP_ELEMENTS * sizeof(rct_map_element));
sawyercoding_read_chunk(rw, (uint8*)RCT2_ADDRESS_MAP_ELEMENTS);
// Read game data, including sprites
sawyercoding_read_chunk(rw, (uint8*)0x010E63B8);
if (!load_success){
set_load_objects_fail_reason();
if (RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) & INPUT_FLAG_5){
//call 0x0040705E Sets cursor position and something else. Calls maybe wind func 8 probably pointless
RCT2_GLOBAL(0x14241BC, uint32) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) &= ~INPUT_FLAG_5;
}
return 0;//This never gets called
}
// The rest is the same as in scenario_load
reset_loaded_objects();
map_update_tile_pointers();
reset_0x69EBE4();
openrct2_reset_object_tween_locations();
game_convert_strings_to_utf8();
game_fix_save_vars(); // OpenRCT2 fix broken save games
return 1;
}
// 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++;
}
RCT2_GLOBAL(RCT2_ADDRESS_GUESTS_IN_PARK, uint16) = peepCount;
// 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);
map_element_insert(x, y, 14, 0);
}
}
}
}
// Load game state for multiplayer
int game_load_network(SDL_RWops* rw)
{
int i, j;
rct_s6_header *s6Header = (rct_s6_header*)0x009E34E4;
rct_s6_info *s6Info = (rct_s6_info*)0x0141F570;
// Read first chunk
sawyercoding_read_chunk(rw, (uint8*)s6Header);
if (s6Header->type == S6_TYPE_SAVEDGAME) {
// Read packed objects
if (s6Header->num_packed_objects > 0) {
j = 0;
for (i = 0; i < s6Header->num_packed_objects; i++)
j += object_load_packed(rw);
if (j > 0)
object_list_load();
}
}
uint8 load_success = object_read_and_load_entries(rw);
// Read flags (16 bytes)
sawyercoding_read_chunk(rw, (uint8*)RCT2_ADDRESS_CURRENT_MONTH_YEAR);
// Read map elements
memset((void*)RCT2_ADDRESS_MAP_ELEMENTS, 0, MAX_MAP_ELEMENTS * sizeof(rct_map_element));
sawyercoding_read_chunk(rw, (uint8*)RCT2_ADDRESS_MAP_ELEMENTS);
// Read game data, including sprites
sawyercoding_read_chunk(rw, (uint8*)0x010E63B8);
// Read checksum
uint32 checksum;
SDL_RWread(rw, &checksum, sizeof(uint32), 1);
// Read other data not in normal save files
RCT2_GLOBAL(RCT2_ADDRESS_GAME_PAUSED, uint32) = SDL_ReadLE32(rw);
if (!load_success){
set_load_objects_fail_reason();
if (RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) & INPUT_FLAG_5){
//call 0x0040705E Sets cursor position and something else. Calls maybe wind func 8 probably pointless
RCT2_GLOBAL(0x14241BC, uint32) = 0;
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) &= ~INPUT_FLAG_5;
}
return 0;//This never gets called
}
// The rest is the same as in scenario load and play
reset_loaded_objects();
map_update_tile_pointers();
reset_0x69EBE4();
openrct2_reset_object_tween_locations();
return 1;
}
/**
*
* rct2: 0x00675E1B
*/
int game_load_save(const char *path)
{
log_verbose("loading saved game, %s", path);
safe_strncpy((char*)0x0141EF68, path, MAX_PATH);
safe_strncpy((char*)RCT2_ADDRESS_SAVED_GAMES_PATH_2, path, MAX_PATH);
safe_strncpy(gScenarioSavePath, path, MAX_PATH);
SDL_RWops* rw = SDL_RWFromFile(path, "rb");
if (rw == NULL) {
log_error("unable to open %s", path);
RCT2_GLOBAL(RCT2_ADDRESS_ERROR_TYPE, uint8) = 255;
RCT2_GLOBAL(RCT2_ADDRESS_GAME_COMMAND_ERROR_TITLE, uint16) = STR_FILE_CONTAINS_INVALID_DATA;
return 0;
}
if (!game_load_sv6(rw)) {
title_load();
rct2_endupdate();
SDL_RWclose(rw);
return 0;
}
SDL_RWclose(rw);
game_load_init();
if (network_get_mode() == NETWORK_MODE_SERVER) {
network_send_map();
}
return 1;
}
void game_load_init()
{
rct_window *mainWindow;
RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_FLAGS, uint8) = SCREEN_FLAGS_PLAYING;
viewport_init_all();
game_create_windows();
mainWindow = window_get_main();
mainWindow->viewport_target_sprite = -1;
mainWindow->saved_view_x = RCT2_GLOBAL(RCT2_ADDRESS_SAVED_VIEW_X, sint16);
mainWindow->saved_view_y = RCT2_GLOBAL(RCT2_ADDRESS_SAVED_VIEW_Y, sint16);
uint8 _cl = (RCT2_GLOBAL(RCT2_ADDRESS_SAVED_VIEW_ZOOM_AND_ROTATION, sint16) & 0xFF) - mainWindow->viewport->zoom;
mainWindow->viewport->zoom = RCT2_GLOBAL(RCT2_ADDRESS_SAVED_VIEW_ZOOM_AND_ROTATION, sint16) & 0xFF;
*((char*)(&RCT2_GLOBAL(RCT2_ADDRESS_CURRENT_ROTATION, sint32))) = RCT2_GLOBAL(RCT2_ADDRESS_SAVED_VIEW_ZOOM_AND_ROTATION, sint16) >> 8;
if (_cl != 0) {
if (_cl < 0) {
_cl = -_cl;
mainWindow->viewport->view_width >>= _cl;
mainWindow->viewport->view_height >>= _cl;
} else {
mainWindow->viewport->view_width <<= _cl;
mainWindow->viewport->view_height <<= _cl;
}
}
mainWindow->saved_view_x -= mainWindow->viewport->view_width >> 1;
mainWindow->saved_view_y -= mainWindow->viewport->view_height >> 1;
window_invalidate(mainWindow);
reset_all_sprite_quadrant_placements();
scenery_set_default_placement_configuration();
window_new_ride_init_vars();
RCT2_GLOBAL(RCT2_ADDRESS_WINDOW_UPDATE_TICKS, uint16) = 0;
if (RCT2_GLOBAL(0x0013587C4, uint32) == 0) // this check is not in scenario play
finance_update_loan_hash();
load_palette();
gfx_invalidate_screen();
window_update_all();
gGameSpeed = 1;
scenario_set_filename((char*)0x0135936C);
}
/*
*
* rct2: 0x0069E9A7
* Call after a rotation or loading of a save to reset sprite quadrants
*/
void reset_all_sprite_quadrant_placements()
{
for (rct_sprite* spr = g_sprite_list; spr < (rct_sprite*)RCT2_ADDRESS_SPRITES_NEXT_INDEX; spr++)
if (spr->unknown.sprite_identifier != 0xFF)
sprite_move(spr->unknown.x, spr->unknown.y, spr->unknown.z, spr);
}
/**
*
* rct2: 0x0066DBB7
*/
static void load_game()
{
window_loadsave_open(LOADSAVETYPE_LOAD | LOADSAVETYPE_GAME, NULL);
return;
if (open_load_game_dialog() == 0) {
gfx_invalidate_screen();
} else {
// Set default filename
char *esi = (char*)0x0141EF67;
while (1) {
esi++;
if (*esi == '.')
break;
if (*esi != 0)
continue;
strcpy(esi, ".SV6");
break;
}
safe_strncpy((char*)RCT2_ADDRESS_SAVED_GAMES_PATH_2, (char*)0x0141EF68, MAX_PATH);
if (game_load_save((char *)0x0141EF68)) {
gfx_invalidate_screen();
rct2_endupdate();
} else {
RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_AGE, uint16) = 0;
rct2_endupdate();
}
}
}
/**
*
* rct2: 0x006750E9
*/
static int show_save_game_dialog(char *resultPath)
{
rct_s6_info *s6Info = (rct_s6_info*)0x0141F570;
int result;
char title[256];
char filename[MAX_PATH];
char filterName[256];
format_string(title, STR_SAVE_GAME_1040, NULL);
safe_strncpy(filename, RCT2_ADDRESS(RCT2_ADDRESS_SAVED_GAMES_PATH_2, char), MAX_PATH);
format_string(filterName, STR_RCT2_SAVED_GAME, NULL);
pause_sounds();
result = platform_open_common_file_dialog(0, title, filename, "*.SV6", filterName);
unpause_sounds();
if (result)
safe_strncpy(resultPath, filename, MAX_PATH);
return result;
}
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);
log_verbose("Saved to %s", gScenarioSavePath);
SDL_RWclose(rw);
}
} else {
save_game_as();
}
}
void save_game_as()
{
window_loadsave_open(LOADSAVETYPE_SAVE | LOADSAVETYPE_GAME, gScenarioSavePath);
}
void game_autosave()
{
utf8 path[MAX_PATH];
utf8 backupPath[MAX_PATH];
platform_get_user_directory(path, "save");
safe_strncpy(backupPath, path, MAX_PATH);
strcat(path, "autosave.sv6");
strcat(backupPath, "autosave.sv6.bak");
if (platform_file_exists(path)) {
platform_file_copy(path, backupPath, true);
}
SDL_RWops* rw = SDL_RWFromFile(path, "wb+");
if (rw != NULL) {
scenario_save(rw, 0x80000000);
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, title, 0);
char exit_body[255];
format_string(exit_body, body, 0);
log_error(exit_title);
log_error(exit_body);
rct2_exit();
}
/**
*
* rct2: 0x006E3879
*/
void rct2_exit()
{
//audio_close();
//Post quit message does not work in 0x6e3879 as its windows only.
openrct2_finish();
}
/**
*
* rct2: 0x0066DB79
*/
void game_load_or_quit_no_save_prompt()
{
if (RCT2_GLOBAL(RCT2_ADDRESS_SAVE_PROMPT_MODE, uint16) < 1) {
game_do_command(0, 1, 0, 1, GAME_COMMAND_LOAD_OR_QUIT, 0, 0);
tool_cancel();
if (RCT2_GLOBAL(RCT2_ADDRESS_SCREEN_FLAGS, uint8) & 2)
load_landscape();
else
load_game();
} else if (RCT2_GLOBAL(RCT2_ADDRESS_SAVE_PROMPT_MODE, uint16) == 1) {
game_do_command(0, 1, 0, 1, GAME_COMMAND_LOAD_OR_QUIT, 0, 0);
tool_cancel();
if (RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) & INPUT_FLAG_5) {
// RCT2_CALLPROC_EBPSAFE(0x0040705E); Function not required resets cursor position.
RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) &= ~INPUT_FLAG_5;
}
gGameSpeed = 1;
title_load();
rct2_endupdate();
} else {
rct2_exit();
}
}
static GAME_COMMAND_POINTER* new_game_command_table[62] = {
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_peep_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
};
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