mirror of https://github.com/OpenRCT2/OpenRCT2.git
668 lines
20 KiB
C
668 lines
20 KiB
C
#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
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/*****************************************************************************
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
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* For more information, visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* A full copy of the GNU General Public License can be found in licence.txt
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*****************************************************************************/
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#pragma endregion
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#include "audio/audio.h"
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#include "audio/mixer.h"
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#include "config.h"
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#include "editor.h"
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#include "game.h"
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#include "hook.h"
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#include "interface/chat.h"
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#include "interface/themes.h"
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#include "interface/window.h"
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#include "interface/viewport.h"
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#include "intro.h"
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#include "localisation/localisation.h"
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#include "network/http.h"
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#include "network/network.h"
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#include "object_list.h"
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#include "openrct2.h"
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#include "platform/crash.h"
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#include "platform/platform.h"
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#include "ride/ride.h"
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#include "title.h"
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#include "util/sawyercoding.h"
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#include "util/util.h"
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#include "version.h"
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#include "world/mapgen.h"
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#if defined(__unix__) || defined(__MACOSX__)
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#include <sys/mman.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#endif // defined(__unix__) || defined(__MACOSX__)
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int gExitCode;
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#if defined(USE_MMAP) && (defined(__unix__) || defined(__MACOSX__)) && !defined(NO_RCT2)
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static int fdData = -1;
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#endif
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#if defined(__unix__) && !defined(NO_RCT2)
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static char * segments = (char *)(GOOD_PLACE_FOR_DATA_SEGMENT);
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#endif
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int gOpenRCT2StartupAction = STARTUP_ACTION_TITLE;
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utf8 gOpenRCT2StartupActionPath[512] = { 0 };
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utf8 gExePath[MAX_PATH];
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utf8 gCustomUserDataPath[MAX_PATH] = { 0 };
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utf8 gCustomOpenrctDataPath[MAX_PATH] = { 0 };
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utf8 gCustomRCT2DataPath[MAX_PATH] = { 0 };
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utf8 gCustomPassword[MAX_PATH] = { 0 };
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// This should probably be changed later and allow a custom selection of things to initialise like SDL_INIT
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bool gOpenRCT2Headless = false;
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bool gOpenRCT2ShowChangelog;
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bool gOpenRCT2SilentBreakpad;
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#ifndef DISABLE_NETWORK
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// OpenSSL's message digest context used for calculating sprite checksums
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EVP_MD_CTX *gHashCTX = NULL;
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#endif // DISABLE_NETWORK
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/** If set, will end the OpenRCT2 game loop. Intentially private to this module so that the flag can not be set back to 0. */
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int _finished;
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// Used for object movement tweening
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static rct_xyz16 _spritelocations1[MAX_SPRITES], _spritelocations2[MAX_SPRITES];
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static void openrct2_loop();
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static void openrct2_setup_rct2_hooks();
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void openrct2_write_full_version_info(utf8 *buffer, size_t bufferSize)
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{
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utf8 *ch = buffer;
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// Name and version
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safe_strcpy(ch, OPENRCT2_NAME ", v" OPENRCT2_VERSION, bufferSize - (ch - buffer));
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ch = strchr(ch, '\0');
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// Build information
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if (!str_is_null_or_empty(gGitBranch)) {
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snprintf(ch, bufferSize - (ch - buffer), "-%s", gGitBranch);
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ch = strchr(ch, '\0');
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}
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if (!str_is_null_or_empty(gCommitSha1Short)) {
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snprintf(ch, bufferSize - (ch - buffer), " build %s", gCommitSha1Short);
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ch = strchr(ch, '\0');
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}
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if (!str_is_null_or_empty(gBuildServer)) {
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snprintf(ch, bufferSize - (ch - buffer), " provided by %s", gBuildServer);
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ch = strchr(ch, '\0');
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}
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#if DEBUG
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snprintf(ch, bufferSize - (ch - buffer), " (DEBUG)");
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#endif
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}
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static void openrct2_copy_files_over(const utf8 *originalDirectory, const utf8 *newDirectory, const utf8 *extension)
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{
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utf8 *ch, filter[MAX_PATH], oldPath[MAX_PATH], newPath[MAX_PATH];
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int fileEnumHandle;
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file_info fileInfo;
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if (!platform_ensure_directory_exists(newDirectory)) {
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log_error("Could not create directory %s.", newDirectory);
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return;
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}
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// Create filter path
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safe_strcpy(filter, originalDirectory, sizeof(filter));
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ch = strchr(filter, '*');
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if (ch != NULL)
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*ch = 0;
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safe_strcat_path(filter, "*", sizeof(filter));
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path_append_extension(filter, extension, sizeof(filter));
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fileEnumHandle = platform_enumerate_files_begin(filter);
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while (platform_enumerate_files_next(fileEnumHandle, &fileInfo)) {
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safe_strcpy(newPath, newDirectory, sizeof(newPath));
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safe_strcat_path(newPath, fileInfo.path, sizeof(newPath));
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safe_strcpy(oldPath, originalDirectory, sizeof(oldPath));
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ch = strchr(oldPath, '*');
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if (ch != NULL)
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*ch = 0;
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safe_strcat_path(oldPath, fileInfo.path, sizeof(oldPath));
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if (!platform_file_exists(newPath))
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platform_file_copy(oldPath, newPath, false);
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}
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platform_enumerate_files_end(fileEnumHandle);
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fileEnumHandle = platform_enumerate_directories_begin(originalDirectory);
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while (platform_enumerate_directories_next(fileEnumHandle, filter)) {
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safe_strcpy(newPath, newDirectory, sizeof(newPath));
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safe_strcat_path(newPath, filter, sizeof(newPath));
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safe_strcpy(oldPath, originalDirectory, MAX_PATH);
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ch = strchr(oldPath, '*');
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if (ch != NULL)
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*ch = 0;
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safe_strcat_path(oldPath, filter, sizeof(oldPath));
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if (!platform_ensure_directory_exists(newPath)) {
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log_error("Could not create directory %s.", newPath);
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return;
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}
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openrct2_copy_files_over(oldPath, newPath, extension);
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}
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platform_enumerate_directories_end(fileEnumHandle);
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}
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static void openrct2_set_exe_path()
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{
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platform_get_exe_path(gExePath, sizeof(gExePath));
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log_verbose("Setting exe path to %s", gExePath);
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}
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/**
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* Copy saved games and landscapes to user directory
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*/
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static void openrct2_copy_original_user_files_over()
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{
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utf8 path[MAX_PATH];
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platform_get_user_directory(path, "save", sizeof(path));
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openrct2_copy_files_over((utf8*)gRCT2AddressSavedGamesPath, path, ".sv6");
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platform_get_user_directory(path, "landscape", sizeof(path));
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openrct2_copy_files_over((utf8*)gRCT2AddressLandscapesPath, path, ".sc6");
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}
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bool openrct2_initialise()
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{
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utf8 userPath[MAX_PATH];
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#ifndef DISABLE_NETWORK
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gHashCTX = EVP_MD_CTX_create();
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assert(gHashCTX != NULL);
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#endif // DISABLE_NETWORK
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platform_resolve_openrct_data_path();
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platform_resolve_user_data_path();
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platform_get_user_directory(userPath, NULL, sizeof(userPath));
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if (!platform_ensure_directory_exists(userPath)) {
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log_fatal("Could not create user directory (do you have write access to your documents folder?)");
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return false;
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}
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crash_init();
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if (!openrct2_setup_rct2_segment()) {
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log_fatal("Unable to load RCT2 data sector");
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return false;
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}
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openrct2_set_exe_path();
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config_set_defaults();
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if (!config_open_default()) {
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if (!config_find_or_browse_install_directory()) {
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gConfigGeneral.last_run_version = strndup(OPENRCT2_VERSION, strlen(OPENRCT2_VERSION));
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config_save_default();
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utf8 path[MAX_PATH];
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config_get_default_path(path, sizeof(path));
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log_fatal("An RCT2 install directory must be specified! Please edit \"game_path\" in %s.", path);
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return false;
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}
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}
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gOpenRCT2ShowChangelog = true;
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if (gConfigGeneral.last_run_version != NULL && (strcmp(gConfigGeneral.last_run_version, OPENRCT2_VERSION) == 0))
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gOpenRCT2ShowChangelog = false;
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gConfigGeneral.last_run_version = strndup(OPENRCT2_VERSION, strlen(OPENRCT2_VERSION));
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config_save_default();
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// TODO add configuration option to allow multiple instances
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// if (!gOpenRCT2Headless && !platform_lock_single_instance()) {
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// log_fatal("OpenRCT2 is already running.");
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// return false;
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// }
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if (!rct2_init_directories()) {
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return false;
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}
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if (!rct2_startup_checks()) {
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return false;
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}
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if (!gOpenRCT2Headless) {
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audio_init();
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audio_populate_devices();
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}
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if (!language_open(gConfigGeneral.language)) {
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log_error("Failed to open configured language...");
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if (!language_open(LANGUAGE_ENGLISH_UK)) {
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log_fatal("Failed to open fallback language...");
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return false;
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}
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}
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http_init();
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theme_manager_initialise();
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title_sequences_set_default();
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title_sequences_load_presets();
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openrct2_setup_rct2_hooks();
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if (!rct2_init())
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return false;
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chat_init();
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openrct2_copy_original_user_files_over();
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return true;
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}
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/**
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* Launches the game, after command line arguments have been parsed and processed.
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*/
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void openrct2_launch()
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{
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if (openrct2_initialise()) {
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gIntroState = INTRO_STATE_NONE;
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if((gOpenRCT2StartupAction == STARTUP_ACTION_TITLE) && gConfigGeneral.play_intro)
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gOpenRCT2StartupAction = STARTUP_ACTION_INTRO;
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switch (gOpenRCT2StartupAction) {
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case STARTUP_ACTION_INTRO:
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gIntroState = INTRO_STATE_PUBLISHER_BEGIN;
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title_load();
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break;
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case STARTUP_ACTION_TITLE:
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title_load();
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break;
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case STARTUP_ACTION_OPEN:
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assert(gOpenRCT2StartupActionPath != NULL);
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if (!rct2_open_file(gOpenRCT2StartupActionPath)) {
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fprintf(stderr, "Failed to load '%s'", gOpenRCT2StartupActionPath);
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title_load();
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break;
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}
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gScreenFlags = SCREEN_FLAGS_PLAYING;
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#ifndef DISABLE_NETWORK
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if (gNetworkStart == NETWORK_MODE_SERVER) {
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if (gNetworkStartPort == 0) {
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gNetworkStartPort = gConfigNetwork.default_port;
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}
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if (str_is_null_or_empty(gCustomPassword)) {
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network_set_password(gConfigNetwork.default_password);
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}
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else {
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network_set_password(gCustomPassword);
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}
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network_begin_server(gNetworkStartPort);
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}
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#endif // DISABLE_NETWORK
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break;
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case STARTUP_ACTION_EDIT:
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if (strlen(gOpenRCT2StartupActionPath) == 0) {
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editor_load();
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} else {
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if (!editor_load_landscape(gOpenRCT2StartupActionPath)) {
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title_load();
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}
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}
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break;
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}
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#ifndef DISABLE_NETWORK
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if (gNetworkStart == NETWORK_MODE_CLIENT) {
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if (gNetworkStartPort == 0) {
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gNetworkStartPort = gConfigNetwork.default_port;
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}
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network_begin_client(gNetworkStartHost, gNetworkStartPort);
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}
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#endif // DISABLE_NETWORK
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openrct2_loop();
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}
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openrct2_dispose();
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// HACK Some threads are still running which causes the game to not terminate. Investigation required!
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exit(gExitCode);
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}
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void openrct2_dispose()
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{
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network_close();
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http_dispose();
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language_close_all();
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rct2_dispose();
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config_release();
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#ifndef DISABLE_NETWORK
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EVP_MD_CTX_destroy(gHashCTX);
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#endif // DISABLE_NETWORK
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#if defined(USE_MMAP) && (defined(__unix__) || defined(__MACOSX__)) && !defined(NO_RCT2)
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munmap(segments, 12079104);
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close(fdData);
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#endif
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platform_free();
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}
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/**
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* Determines whether its worth tweening a sprite or not when frame smoothing is on.
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*/
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static bool sprite_should_tween(rct_sprite *sprite)
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{
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switch (sprite->unknown.linked_list_type_offset >> 1) {
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case SPRITE_LIST_VEHICLE:
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case SPRITE_LIST_PEEP:
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case SPRITE_LIST_UNKNOWN:
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return true;
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}
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return false;
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}
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/**
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* Run the main game loop until the finished flag is set at 40fps (25ms interval).
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*/
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static void openrct2_loop()
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{
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uint32 currentTick, ticksElapsed, lastTick = 0;
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static uint32 uncapTick = 0;
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static int fps = 0;
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static uint32 secondTick = 0;
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log_verbose("begin openrct2 loop");
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_finished = 0;
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do {
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bool is_minimised = (SDL_GetWindowFlags(gWindow) & (SDL_WINDOW_MINIMIZED | SDL_WINDOW_HIDDEN)) != 0;
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if (gConfigGeneral.uncap_fps && gGameSpeed <= 4 && !gOpenRCT2Headless && !is_minimised) {
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currentTick = SDL_GetTicks();
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if (uncapTick == 0) {
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// Reset sprite locations
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uncapTick = SDL_GetTicks();
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openrct2_reset_object_tween_locations();
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}
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// Limit number of updates per loop (any long pauses or debugging can make this update for a very long time)
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if (currentTick - uncapTick > 25 * 60) {
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uncapTick = currentTick - 25 - 1;
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}
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platform_process_messages();
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while (uncapTick <= currentTick && currentTick - uncapTick > 25) {
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// Get the original position of each sprite
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store_sprite_locations(_spritelocations1);
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// Update the game so the sprite positions update
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rct2_update();
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// Get the next position of each sprite
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store_sprite_locations(_spritelocations2);
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uncapTick += 25;
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}
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// Tween the position of each sprite from the last position to the new position based on the time between the last
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// tick and the next tick.
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float nudge = 1 - ((float)(currentTick - uncapTick) / 25);
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for (uint16 i = 0; i < MAX_SPRITES; i++) {
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if (!sprite_should_tween(get_sprite(i)))
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continue;
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sprite_set_coordinates(
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_spritelocations2[i].x + (sint16)((_spritelocations1[i].x - _spritelocations2[i].x) * nudge),
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_spritelocations2[i].y + (sint16)((_spritelocations1[i].y - _spritelocations2[i].y) * nudge),
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_spritelocations2[i].z + (sint16)((_spritelocations1[i].z - _spritelocations2[i].z) * nudge),
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get_sprite(i)
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);
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invalidate_sprite_2(get_sprite(i));
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}
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platform_draw();
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if (wrl_is_gamebar_visible()) {
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printf("game bar is visible\n");
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}
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fps++;
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if (SDL_GetTicks() - secondTick >= 1000) {
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fps = 0;
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secondTick = SDL_GetTicks();
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}
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// Restore the real positions of the sprites so they aren't left at the mid-tween positions
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for (uint16 i = 0; i < MAX_SPRITES; i++) {
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if (!sprite_should_tween(get_sprite(i)))
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continue;
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invalidate_sprite_2(get_sprite(i));
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sprite_set_coordinates(_spritelocations2[i].x, _spritelocations2[i].y, _spritelocations2[i].z, get_sprite(i));
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}
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} else {
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uncapTick = 0;
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currentTick = SDL_GetTicks();
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ticksElapsed = currentTick - lastTick;
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if (ticksElapsed < 25) {
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SDL_Delay(25 - ticksElapsed);
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lastTick += 25;
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} else {
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lastTick = currentTick;
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}
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platform_process_messages();
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rct2_update();
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if (!is_minimised) {
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platform_draw();
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}
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}
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} while (!_finished);
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}
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/**
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* Causes the OpenRCT2 game loop to finish.
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*/
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void openrct2_finish()
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{
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_finished = 1;
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}
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void openrct2_reset_object_tween_locations()
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{
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for (uint16 i = 0; i < MAX_SPRITES; i++) {
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_spritelocations1[i].x = _spritelocations2[i].x = get_sprite(i)->unknown.x;
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_spritelocations1[i].y = _spritelocations2[i].y = get_sprite(i)->unknown.y;
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_spritelocations1[i].z = _spritelocations2[i].z = get_sprite(i)->unknown.z;
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}
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}
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static void openrct2_get_segment_data_path(char * buffer, size_t bufferSize)
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{
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platform_get_exe_path(buffer, bufferSize);
|
|
safe_strcat_path(buffer, "openrct2_data", bufferSize);
|
|
}
|
|
|
|
/**
|
|
* Loads RCT2's data model and remaps the addresses.
|
|
* @returns true if the data integrity check succeeded, otherwise false.
|
|
*/
|
|
bool openrct2_setup_rct2_segment()
|
|
{
|
|
// OpenRCT2 on Linux and macOS is wired to have the original Windows PE sections loaded
|
|
// necessary. Windows does not need to do this as OpenRCT2 runs as a DLL loaded from the Windows PE.
|
|
int len = 0x01429000 - 0x8a4000; // 0xB85000, 12079104 bytes or around 11.5MB
|
|
int err = 0;
|
|
// in some configurations err and len may be unused
|
|
UNUSED(err);
|
|
UNUSED(len);
|
|
#if defined(USE_MMAP) && (defined(__unix__) || defined(__MACOSX__)) && !defined(NO_RCT2)
|
|
#define RDATA_OFFSET 0x004A4000
|
|
#define DATASEG_OFFSET 0x005E2000
|
|
|
|
// Using PE-bear I was able to figure out all the needed addresses to be filled.
|
|
// There are three sections to be loaded: .rdata, .data and .text, plus another
|
|
// one to be mapped: DATASEG.
|
|
// Out of the three, two can simply be mmapped into memory, while the third one,
|
|
// .data has a virtual size which is much completely different to its file size
|
|
// (even when taking page-alignment into consideration)
|
|
//
|
|
// The sections are as follows (dump from gdb)
|
|
// [0] 0x401000->0x6f7000 at 0x00001000: .text ALLOC LOAD READONLY CODE HAS_CONTENTS
|
|
// [1] 0x6f7000->0x8a325d at 0x002f7000: CODESEG ALLOC LOAD READONLY CODE HAS_CONTENTS
|
|
// [2] 0x8a4000->0x9a5894 at 0x004a4000: .rdata ALLOC LOAD DATA HAS_CONTENTS
|
|
// [3] 0x9a6000->0x9e2000 at 0x005a6000: .data ALLOC LOAD DATA HAS_CONTENTS
|
|
// [4] 0x1428000->0x14282bc at 0x005e2000: DATASEG ALLOC LOAD DATA HAS_CONTENTS
|
|
// [5] 0x1429000->0x1452000 at 0x005e3000: .cms_t ALLOC LOAD READONLY CODE HAS_CONTENTS
|
|
// [6] 0x1452000->0x14aaf3e at 0x0060c000: .cms_d ALLOC LOAD DATA HAS_CONTENTS
|
|
// [7] 0x14ab000->0x14ac58a at 0x00665000: .idata ALLOC LOAD READONLY DATA HAS_CONTENTS
|
|
// [8] 0x14ad000->0x14b512f at 0x00667000: .rsrc ALLOC LOAD DATA HAS_CONTENTS
|
|
//
|
|
// .data section, however, has virtual size of 0xA81C3C, and so
|
|
// 0x9a6000 + 0xA81C3C = 0x1427C3C, which after alignment to page size becomes
|
|
// 0x1428000, which can be seen as next section, DATASEG
|
|
//
|
|
// The data is now loaded into memory with a linker script, which proves to
|
|
// be more reliable, as mallocs that happen before we reach segment setup
|
|
// could have already taken the space we need.
|
|
|
|
// TODO: UGLY, UGLY HACK!
|
|
//off_t file_size = 6750208;
|
|
|
|
utf8 segmentDataPath[MAX_PATH];
|
|
openrct2_get_segment_data_path(segmentDataPath, sizeof(segmentDataPath));
|
|
fdData = open(segmentDataPath, O_RDONLY);
|
|
if (fdData < 0)
|
|
{
|
|
log_fatal("failed to load openrct2_data");
|
|
exit(1);
|
|
}
|
|
log_warning("%p", GOOD_PLACE_FOR_DATA_SEGMENT);
|
|
segments = mmap((void *)(GOOD_PLACE_FOR_DATA_SEGMENT), len, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE, fdData, 0);
|
|
log_warning("%p", segments);
|
|
if ((uintptr_t)segments != GOOD_PLACE_FOR_DATA_SEGMENT) {
|
|
perror("mmap");
|
|
return false;
|
|
}
|
|
#endif // defined(USE_MMAP) && (defined(__unix__) || defined(__MACOSX__))
|
|
|
|
#if defined(__unix__) && !defined(NO_RCT2)
|
|
int pageSize = getpagesize();
|
|
int numPages = (len + pageSize - 1) / pageSize;
|
|
unsigned char *dummy = malloc(numPages);
|
|
|
|
err = mincore((void *)segments, len, dummy);
|
|
bool pagesMissing = false;
|
|
if (err != 0)
|
|
{
|
|
err = errno;
|
|
#ifdef __LINUX__
|
|
// On Linux ENOMEM means all requested range is unmapped
|
|
if (err != ENOMEM)
|
|
{
|
|
pagesMissing = true;
|
|
perror("mincore");
|
|
}
|
|
#else
|
|
pagesMissing = true;
|
|
perror("mincore");
|
|
#endif // __LINUX__
|
|
} else {
|
|
for (int i = 0; i < numPages; i++)
|
|
{
|
|
if (dummy[i] != 1)
|
|
{
|
|
pagesMissing = true;
|
|
void *start = (void *)segments + i * pageSize;
|
|
void *end = (void *)segments + (i + 1) * pageSize - 1;
|
|
log_warning("required page %p - %p is not in memory!", start, end);
|
|
}
|
|
}
|
|
}
|
|
free(dummy);
|
|
if (pagesMissing)
|
|
{
|
|
log_error("At least one of required pages was not found in memory. This can cause segfaults later on.");
|
|
}
|
|
#if !defined(USE_MMAP)
|
|
// section: text
|
|
err = mprotect((void *)0x401000, 0x8a4000 - 0x401000, PROT_READ | PROT_EXEC | PROT_WRITE);
|
|
if (err != 0)
|
|
{
|
|
perror("mprotect");
|
|
}
|
|
#endif // !defined(USE_MMAP)
|
|
// section: rw data
|
|
err = mprotect((void *)segments, 0x01429000 - 0x8a4000, PROT_READ | PROT_WRITE);
|
|
if (err != 0)
|
|
{
|
|
perror("mprotect");
|
|
}
|
|
#endif // defined(__unix__)
|
|
|
|
#if defined(USE_MMAP) && defined(__WINDOWS__)
|
|
segments = VirtualAlloc((void *)(GOOD_PLACE_FOR_DATA_SEGMENT), len, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
|
|
if ((uintptr_t)segments != GOOD_PLACE_FOR_DATA_SEGMENT) {
|
|
log_error("VirtualAlloc, segments = %p, GetLastError = 0x%x", segments, GetLastError());
|
|
return false;
|
|
}
|
|
|
|
utf8 segmentDataPath[MAX_PATH];
|
|
openrct2_get_segment_data_path(segmentDataPath, sizeof(segmentDataPath));
|
|
SDL_RWops * rw = SDL_RWFromFile(segmentDataPath, "rb");
|
|
if (rw == NULL)
|
|
{
|
|
log_error("failed to load file");
|
|
return false;
|
|
}
|
|
if (SDL_RWread(rw, segments, len, 1) != 1) {
|
|
log_error("Unable to read chunk header!");
|
|
return false;
|
|
}
|
|
SDL_RWclose(rw);
|
|
#endif // defined(USE_MMAP) && defined(__WINDOWS__)
|
|
|
|
#if !defined(NO_RCT2) && defined(USE_MMAP)
|
|
// Check that the expected data is at various addresses.
|
|
// Start at 0x9a6000, which is start of .data, to skip the region containing addresses to DLL
|
|
// calls, which can be changed by windows/wine loader.
|
|
const uint32 c1 = sawyercoding_calculate_checksum((const uint8*)(segments + (uintptr_t)(0x009A6000 - 0x8a4000)), 0x009E0000 - 0x009A6000);
|
|
const uint32 c2 = sawyercoding_calculate_checksum((const uint8*)(segments + (uintptr_t)(0x01428000 - 0x8a4000)), 0x014282BC - 0x01428000);
|
|
const uint32 exp_c1 = 10114815;
|
|
const uint32 exp_c2 = 23564;
|
|
if (c1 != exp_c1 || c2 != exp_c2) {
|
|
log_warning("c1 = %u, expected %u, match %d", c1, exp_c1, c1 == exp_c1);
|
|
log_warning("c2 = %u, expected %u, match %d", c2, exp_c2, c2 == exp_c2);
|
|
return false;
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Setup hooks to allow RCT2 to call OpenRCT2 functions instead.
|
|
*/
|
|
static void openrct2_setup_rct2_hooks()
|
|
{
|
|
// None for now
|
|
}
|