/***************************************************************************** * Copyright (c) 2014 Ted John * OpenRCT2, an open source clone of Roller Coaster Tycoon 2. * * This file is part of OpenRCT2. * * OpenRCT2 is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program. If not, see . *****************************************************************************/ #include #include "addresses.h" #include "localisation/localisation.h" #include "object.h" #include "platform/osinterface.h" #include "ride/track.h" #include "util/sawyercoding.h" #define OBJECT_ENTRY_GROUP_COUNT 11 #define OBJECT_ENTRY_COUNT 721 typedef struct { uint32 total_files; uint32 total_file_size; uint32 date_modified_checksum; uint32 object_list_size; uint32 object_list_no_items; } rct_plugin_header; // 98DA00 int object_entry_group_counts[] = { 128, // rides 252, // small scenery 128, // large scenery 128, // walls 32, // banners 16, // paths 15, // path bits 19, // scenery sets 1, // park entrance 1, // water 1 // scenario text }; // 98DA2C int object_entry_group_encoding[] = { CHUNK_ENCODING_RLE, CHUNK_ENCODING_RLE, CHUNK_ENCODING_RLE, CHUNK_ENCODING_RLE, CHUNK_ENCODING_RLE, CHUNK_ENCODING_RLE, CHUNK_ENCODING_RLE, CHUNK_ENCODING_RLE, CHUNK_ENCODING_RLE, CHUNK_ENCODING_RLE, CHUNK_ENCODING_ROTATE }; struct { void **data; rct_object_entry_extended *entries; } object_entry_groups[] = { (void**)(0x009ACFA4 ), (rct_object_entry_extended*)(0x00F3F03C ), // rides (void**)(0x009ACFA4 + (128 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (128 * 20)), // small scenery (void**)(0x009ACFA4 + (380 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (380 * 20)), // large scenery (void**)(0x009ACFA4 + (508 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (508 * 20)), // walls (void**)(0x009ACFA4 + (636 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (636 * 20)), // banners (void**)(0x009ACFA4 + (668 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (668 * 20)), // paths (void**)(0x009ACFA4 + (684 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (684 * 20)), // path bits (void**)(0x009ACFA4 + (699 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (699 * 20)), // scenery sets (void**)(0x009ACFA4 + (718 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (718 * 20)), // park entrance (void**)(0x009ACFA4 + (719 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (719 * 20)), // water (void**)(0x009ACFA4 + (720 * 4)), (rct_object_entry_extended*)(0x00F3F03C + (720 * 20)) // scenario text }; static void get_plugin_path(char *path) { char *homePath = osinterface_get_orct2_homefolder(); sprintf(path, "%s%c%s", homePath, osinterface_get_path_separator(), "plugin.dat"); free(homePath); } /** * * rct2: 0x006A93CD */ static void object_list_examine() { int i; rct_object_entry *object; object = RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, rct_object_entry*); for (i = 0; i < RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, sint32); i++) { if (object->flags & 0xF0) RCT2_GLOBAL(0x00F42BDA, uint8) |= 1; object = object_get_next(object); } } /* rct2:0x006DED68 */ void reset_9E32F8(){ uint8* edi = RCT2_ADDRESS(0x009E32F8, uint8); memset(edi, 0xFF, 90); } void sub_6A9FC0(){ reset_9E32F8(); RCT2_GLOBAL(0x009ADAF0, uint32) = 0xF26E; for (int type = 0; type < 11; ++type){ for (int j = 0; j < object_entry_group_counts[type]; j++){ rct_object_entry* entry = (rct_object_entry*)object_entry_groups[type].data[j]; if (entry != (rct_object_entry*)0xFFFFFFFF) object_paint(type, 0, 0, 0, 0, (int)entry, 0, 0); } } } int object_copy(uint8* destination_object, uint8* installed_object){ uint8* original_dest = destination_object; memcpy(destination_object, installed_object, sizeof(rct_object_entry)); destination_object += sizeof(rct_object_entry); installed_object += sizeof(rct_object_entry); do{ *destination_object++ = *installed_object++; } while (*(destination_object - 1)); *((sint32*)destination_object) = *((sint32*)installed_object); destination_object += 4; installed_object += 4; do{ *destination_object++ = *installed_object++; } while (*(destination_object - 1)); *((sint32*)destination_object) = *((sint32*)installed_object); destination_object += 4; installed_object += 4; uint8 no_obj_unk = *installed_object++; *destination_object++ = no_obj_unk; memcpy(destination_object, installed_object, no_obj_unk*sizeof(rct_object_entry)); destination_object += no_obj_unk*sizeof(rct_object_entry); installed_object += no_obj_unk*sizeof(rct_object_entry); uint8 no_obj_theme = *installed_object++; *destination_object++ = no_obj_theme; memcpy(destination_object, installed_object, no_obj_theme*sizeof(rct_object_entry)); destination_object += no_obj_theme*sizeof(rct_object_entry); installed_object += no_obj_theme*sizeof(rct_object_entry); *((sint32*)destination_object) = *((sint32*)installed_object); destination_object += 4; installed_object += 4; return destination_object - original_dest; } /** * * rct2: 0x006A8B40 */ void object_list_load() { HANDLE hFindFile; WIN32_FIND_DATAA findFileData; int totalFiles = 0, totalFileSize = 0, fileDateModifiedChecksum = 0; char pluginPath[MAX_PATH]; get_plugin_path(pluginPath); // Enumerate through each object in the directory hFindFile = FindFirstFile(RCT2_ADDRESS(RCT2_ADDRESS_OBJECT_DATA_PATH, char), &findFileData); if (hFindFile != INVALID_HANDLE_VALUE) { do { totalFiles++; totalFileSize += findFileData.nFileSizeLow; fileDateModifiedChecksum ^= findFileData.ftLastWriteTime.dwLowDateTime ^ findFileData.ftLastWriteTime.dwHighDateTime; fileDateModifiedChecksum = ror32(fileDateModifiedChecksum, 5); } while (FindNextFile(hFindFile, &findFileData)); FindClose(hFindFile); } totalFiles = ror32(totalFiles, 24); totalFiles = (totalFiles & ~0xFF) | 1; totalFiles = rol32(totalFiles, 24); // Read plugin header rct_plugin_header pluginHeader; FILE *file = fopen(pluginPath, "rb"); if (file != NULL) { if (fread(&pluginHeader, sizeof(pluginHeader), 1, file) == 1) { // Check if object repository has changed in anyway if ( totalFiles == pluginHeader.total_files && totalFileSize == pluginHeader.total_file_size && fileDateModifiedChecksum == pluginHeader.date_modified_checksum ) { // Dispose installed object list if (RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, sint32) != -1) { rct2_free(RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*)); RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, sint32) = -1; } // Read installed object list RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*) = rct2_malloc(pluginHeader.object_list_size); if (fread(RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*), pluginHeader.object_list_size, 1, file) == 1) { RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32) = pluginHeader.object_list_no_items; fclose(file); sub_6A9FC0(); object_list_examine(); return; } } } fclose(file); } // Reload object list RCT2_GLOBAL(0x00F42B94, uint32) = totalFiles; RCT2_GLOBAL(0x00F42B98, uint32) = totalFileSize; RCT2_GLOBAL(0x00F42B9C, uint32) = fileDateModifiedChecksum; //RCT2_CALLPROC_EBPSAFE(0x006A8D8F); int eax = 3161; if (RCT2_GLOBAL(0x9AA00D, uint8) != 0){ eax = 3160; RCT2_GLOBAL(0x9AA00D, uint8) = 0; } // File count removed and replaced by variable // RCT2_GLOBAL(0xF42BA8, uint32) = 0; uint32 file_count = 0; // Progress bar related. RCT2_GLOBAL(0xF42BD8, uint8) = 0; sub_6A9FC0(); // Dispose installed object list if (RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, sint32) != -1) { rct2_free(RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*)); RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, sint32) = -1; } RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32) = 0; RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*) = rct2_malloc(4096); if (RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, int) == -1){ RCT2_CALLPROC_X(0x006E3838, 0x343, 0xC5A, 0, 0, 0, 0, 0); return; } uint32 installed_buffer_size = 0x1000; uint32 current_item_offset = 0; hFindFile = FindFirstFile(RCT2_ADDRESS(RCT2_ADDRESS_OBJECT_DATA_PATH, char), &findFileData); if (hFindFile == INVALID_HANDLE_VALUE){ //6a92ea This hasn't been implemented but there isn't much point. // It would make a empty object file if no files found. return; } for (uint8 first_time = 1; first_time || FindNextFile(hFindFile, &findFileData);){ first_time = 0; RCT2_GLOBAL(0x9ABD98, HANDLE) = hFindFile; file_count++; // update progress bar. eax = (file_count << 8) / ((RCT2_GLOBAL(0xF42B94, uint32) & 0xFFFFFF) + 1); if ((eax & 0xFF) != RCT2_GLOBAL(0xF42BD8, uint8)){ RCT2_GLOBAL(0xF42BD8, uint8) = eax & 0xFF; // update progress bar } if ((installed_buffer_size - current_item_offset) <= 2842){ installed_buffer_size += 0x1000; RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*) = rct2_realloc(RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, void*), installed_buffer_size); if (RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, int) == -1){ RCT2_CALLPROC_X(0x006E3838, 0x343, 0xC5A, 0, 0, 0, 0, 0); return; } } char path[260]; subsitute_path(path, RCT2_ADDRESS(RCT2_ADDRESS_OBJECT_DATA_PATH, char), findFileData.cFileName); FILE *obj_file = fopen(path, "rb"); if (obj_file == NULL){ continue; } rct_object_entry* entry = RCT2_ADDRESS(0xF42B74, rct_object_entry); if (fread(entry, sizeof(rct_object_entry), 1, obj_file) != 1){ fclose(obj_file); continue; } fclose(obj_file); RCT2_GLOBAL(0xF42BC4, uint32) = current_item_offset; uint8* installed_entry_pointer = RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, uint8*) + current_item_offset; memcpy(installed_entry_pointer, entry, sizeof(rct_object_entry)); installed_entry_pointer += sizeof(rct_object_entry); strcpy(installed_entry_pointer, findFileData.cFileName); while (*installed_entry_pointer++); *((sint32*)installed_entry_pointer) = -1; *(installed_entry_pointer + 4) = 0; *((sint32*)(installed_entry_pointer + 5)) = 0; *((uint16*)(installed_entry_pointer + 9)) = 0; *((uint32*)(installed_entry_pointer + 11)) = 0; RCT2_GLOBAL(0x9ADAF0, uint32) = 0xF26E; RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32)++; // This is a variable used by object_load to decide if it should // use object_paint on the entry. RCT2_GLOBAL(0x9ADAFD, uint8) = 1; // Probably used by object paint. RCT2_GLOBAL(0x9ADAF4, uint32) = 0xF42BDB; int chunk_size; if (!object_load(-1, entry, &chunk_size)){ RCT2_GLOBAL(0x9ADAF4, sint32) = -1; RCT2_GLOBAL(0x9ADAFD, uint8) = 0; RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32)--; continue; } // See above note RCT2_GLOBAL(0x9ADAF4, sint32) = -1; RCT2_GLOBAL(0x9ADAFD, uint8) = 0; if ((entry->flags & 0xF0) == 0x80){ RCT2_GLOBAL(0xF42B70, uint32)++; if (RCT2_GLOBAL(0xF42B70, uint32) > 772){ RCT2_GLOBAL(0xF42B70, uint32)--; RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32)--; continue; } } *((sint32*)installed_entry_pointer) = chunk_size; installed_entry_pointer += 4; uint8* chunk = RCT2_GLOBAL(RCT2_ADDRESS_CURR_OBJECT_CHUNK_POINTER, uint8*); // Loaded in object_load // When made of two parts i.e Wooden Roller Coaster (Dream Woodie Cars); if ((entry->flags & 0xF) == 0 && !(*((uint32*)(chunk + 8)) & 0x1000)){ rct_string_id obj_string = chunk[12]; if (obj_string == 0xFF){ obj_string = chunk[13]; if (obj_string == 0xFF){ obj_string = chunk[14]; } } obj_string += 2; format_string(installed_entry_pointer, obj_string, 0); strcat(installed_entry_pointer, "\t ("); strcat(installed_entry_pointer, language_get_string(RCT2_GLOBAL(0xF42BBC, uint32))); strcat(installed_entry_pointer, ")"); while (*installed_entry_pointer++); } else{ strcpy(installed_entry_pointer, language_get_string(RCT2_GLOBAL(0xF42BBC, uint32))); while (*installed_entry_pointer++); } *((uint32*)installed_entry_pointer) = RCT2_GLOBAL(0x9ADAF0, uint32) - 0xF26E; installed_entry_pointer += 4; uint8* esi = RCT2_ADDRESS(0xF42BDB, uint8); int cl = *esi++; *installed_entry_pointer++ = cl; if (cl){ memcpy(installed_entry_pointer, esi, cl*sizeof(rct_object_entry)); installed_entry_pointer += cl*sizeof(rct_object_entry); } cl = *esi++; *installed_entry_pointer++ = cl; if (cl){ memcpy(installed_entry_pointer, esi, cl*sizeof(rct_object_entry)); installed_entry_pointer += cl*sizeof(rct_object_entry); } *((uint32*)installed_entry_pointer) = RCT2_GLOBAL(0xF433DD, uint32); installed_entry_pointer += 4; int size_of_object = installed_entry_pointer - RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, uint8*) - current_item_offset; object_unload(entry->flags & 0xF, (rct_object_entry_extended*)entry); // Return pointer to start of entry installed_entry_pointer -= size_of_object; uint8* copied_entry = RCT2_ADDRESS(0x140E9AC, uint8); size_of_object = object_copy(copied_entry, installed_entry_pointer); RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32)--; copied_entry += sizeof(rct_object_entry); // Skip filename while (*copied_entry++); // Skip copied_entry += 4; installed_entry_pointer = RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, uint8*); for (uint32 i = 0; i < RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32); ++i){ uint8* temp_installed_entry = installed_entry_pointer; temp_installed_entry += sizeof(rct_object_entry); // Skip filename while (*temp_installed_entry++); // Skip temp_installed_entry += 4; if (strcmp(temp_installed_entry, copied_entry) <= 0)break; installed_entry_pointer = (uint8*)(object_get_next((rct_object_entry*)installed_entry_pointer)); } // Difference to new location int no_bytes_to_move = RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, uint8*) + current_item_offset - installed_entry_pointer; uint8* curr_location = installed_entry_pointer; uint8* move_location = installed_entry_pointer + size_of_object; if (no_bytes_to_move){ memmove(move_location, curr_location, no_bytes_to_move); } copied_entry = RCT2_ADDRESS(0x140E9AC, uint8); memcpy(installed_entry_pointer, copied_entry, size_of_object); current_item_offset += size_of_object; RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32)++; } FindClose(hFindFile); sub_6A9FC0(); // Size of list Not used any more. // RCT2_GLOBAL(0xF42BA0, uint32) = current_item_offset; // RCT2_GLOBAL(0xF42BA4, uint32) = RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32); get_plugin_path(pluginPath); FILE* obj_list_file = fopen(pluginPath,"wb"); if (obj_list_file){ totalFiles = file_count; totalFiles = ror32(totalFiles, 24); totalFiles |= 1; totalFiles = rol32(totalFiles, 24); pluginHeader.total_files = totalFiles; pluginHeader.date_modified_checksum = fileDateModifiedChecksum; pluginHeader.total_file_size = totalFileSize; pluginHeader.object_list_size = current_item_offset; pluginHeader.object_list_no_items = RCT2_GLOBAL(RCT2_ADDRESS_OBJECT_LIST_NO_ITEMS, uint32); RCT2_GLOBAL(0xF42B94, uint32) = totalFiles; fwrite(&pluginHeader, sizeof(rct_plugin_header), 1, obj_list_file); fwrite(RCT2_GLOBAL(RCT2_ADDRESS_INSTALLED_OBJECT_LIST, uint8*), pluginHeader.object_list_size, 1, obj_list_file); fclose(obj_list_file); } ride_list_item ride_list; ride_list.entry_index = 0xFC; ride_list.type = 0xFC; track_load_list(ride_list); object_list_examine(); } static int check_object_entry(rct_object_entry *entry) { uint32 *dwords = (uint32*)entry; return (0xFFFFFFFF & dwords[0] & dwords[1] & dwords[2] & dwords[3]) + 1 != 0; } /* rct2: 0x675827 */ void set_load_objects_fail_reason(){ rct_object_entry* object = RCT2_ADDRESS(0x13CE952, rct_object_entry); int expansion = (object->flags & 0xFF) >> 4; if (expansion == 0 || expansion == 8 || RCT2_GLOBAL(0x9AB4C0, uint16) & (1 << expansion)){ char* string_buffer = RCT2_ADDRESS(0x9BC677, char); format_string(string_buffer, 3323, 0); //Missing object data, ID: RCT2_CALLPROC_X(0x6AB344, 0, 0, 0, 0, 0, (int)string_buffer, 0x13CE952); RCT2_GLOBAL(0x9AC31B, uint8) = 0xFF; RCT2_GLOBAL(0x9AC31C, uint16) = 3165; return; } char* exapansion_name = &RCT2_ADDRESS(RCT2_ADDRESS_EXPANSION_NAMES, char)[128 * expansion]; if (*exapansion_name == '\0'){ RCT2_GLOBAL(0x9AC31B, uint8) = 0xFF; RCT2_GLOBAL(0x9AC31C, uint16) = 3325; return; } char* string_buffer = RCT2_ADDRESS(0x9BC677, char); format_string(string_buffer, 3324, 0); // Requires expansion pack strcat(string_buffer, exapansion_name); RCT2_GLOBAL(0x9AC31B, uint8) = 0xFF; RCT2_GLOBAL(0x9AC31C, uint16) = 3165; } /** * * rct2: 0x006AA0C6 */ int object_read_and_load_entries(FILE *file) { object_unload_all(); int i, j; rct_object_entry *entries; log_verbose("Entered object read and load entries"); // Read all the object entries entries = malloc(OBJECT_ENTRY_COUNT * sizeof(rct_object_entry)); sawyercoding_read_chunk(file, (uint8*)entries); // Load each object for (i = 0; i < OBJECT_ENTRY_COUNT; i++) { if (!check_object_entry(&entries[i])) continue; // Get entry group index int entryGroupIndex = i; for (j = 0; j < countof(object_entry_group_counts); j++) { if (entryGroupIndex < object_entry_group_counts[j]) break; entryGroupIndex -= object_entry_group_counts[j]; } // Not used but required for function call int chunk_size; // Load the obect if (!object_load(entryGroupIndex, &entries[i], &chunk_size)) { // Failed to load the object //Destroy progress bar log_error("failed to load entry:"); log_error("%.8s", entries[i].name); memcpy((char*)0x13CE952, &entries[i], sizeof(rct_object_entry)); free(entries); object_unload_all(); RCT2_GLOBAL(0x14241BC, uint32) = 0; return 0; } } free(entries); return 1; } /** * * rct2: 0x006A9CE8 */ void object_unload_all() { int i, j; for (i = 0; i < OBJECT_ENTRY_GROUP_COUNT; i++) for (j = 0; j < object_entry_group_counts[i]; j++) if (object_entry_groups[i].data[j] != (void**)0xFFFFFFFF) object_unload(j, &object_entry_groups[i].entries[j]); sub_6A9FC0(); }