#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers /***************************************************************************** * OpenRCT2, an open source clone of Roller Coaster Tycoon 2. * * OpenRCT2 is the work of many authors, a full list can be found in contributors.md * For more information, visit https://github.com/OpenRCT2/OpenRCT2 * * OpenRCT2 is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * A full copy of the GNU General Public License can be found in licence.txt *****************************************************************************/ #pragma endregion #include "addresses.h" #include "game.h" #include "object.h" #include "object_list.h" #include "object/ObjectRepository.h" #include "util/sawyercoding.h" #include "util/util.h" // 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 }; #ifdef NO_RCT2 rct_ride_entry *gRideEntries[128]; rct_small_scenery_entry *gSmallSceneryEntries[252]; rct_large_scenery_entry *gLargeSceneryEntries[128]; rct_wall_scenery_entry *gWallSceneryEntries[128]; rct_banner *gBannerSceneryEntries[32]; rct_footpath_entry *gFootpathEntries[16]; rct_path_bit_scenery_entry *gFootpathAdditionEntries[15]; rct_scenery_set_entry *gSceneryGroupEntries[19]; rct_entrance_type *gParkEntranceEntries[1]; rct_water_type *gWaterEntries[1]; rct_stex_entry *gStexEntries[1]; #endif // 0x98D97C chunk address', 0x98D980 object_entries const rct_object_entry_group object_entry_groups[] = { (void**)(gRideEntries ), RCT2_ADDRESS(0x00F3F03C ,rct_object_entry_extended), // rides (void**)(gSmallSceneryEntries ), RCT2_ADDRESS(0x00F3F03C + (128 * 20),rct_object_entry_extended), // small scenery 0x009AD1A4, 0xF2FA3C (void**)(gLargeSceneryEntries ), RCT2_ADDRESS(0x00F3F03C + (380 * 20),rct_object_entry_extended), // large scenery 0x009AD594, 0xF40DEC (void**)(gWallSceneryEntries ), RCT2_ADDRESS(0x00F3F03C + (508 * 20),rct_object_entry_extended), // walls 0x009AD794, 0xF417EC (void**)(gBannerSceneryEntries ), RCT2_ADDRESS(0x00F3F03C + (636 * 20),rct_object_entry_extended), // banners 0x009AD994, 0xF421EC (void**)(gFootpathEntries ), RCT2_ADDRESS(0x00F3F03C + (668 * 20),rct_object_entry_extended), // paths 0x009ADA14, 0xF4246C (void**)(gFootpathAdditionEntries ), RCT2_ADDRESS(0x00F3F03C + (684 * 20),rct_object_entry_extended), // path bits 0x009ADA54, 0xF425AC (void**)(gSceneryGroupEntries ), RCT2_ADDRESS(0x00F3F03C + (699 * 20),rct_object_entry_extended), // scenery sets 0x009ADA90, 0xF426D8 (void**)(gParkEntranceEntries ), RCT2_ADDRESS(0x00F3F03C + (718 * 20),rct_object_entry_extended), // park entrance 0x009ADADC, 0xF42854 (void**)(gWaterEntries ), RCT2_ADDRESS(0x00F3F03C + (719 * 20),rct_object_entry_extended), // water 0x009ADAE0, 0xF42868 (void**)(gStexEntries ), RCT2_ADDRESS(0x00F3F03C + (720 * 20),rct_object_entry_extended), // scenario text 0x009ADAE4, 0xF4287C }; int check_object_entry(const rct_object_entry *entry) { uint32 *dwords = (uint32*)entry; return (0xFFFFFFFF & dwords[0] & dwords[1] & dwords[2] & dwords[3]) + 1 != 0; } /** * * rct2: 0x006AB344 */ void object_create_identifier_name(char* string_buffer, const rct_object_entry* object) { for (uint8 i = 0; i < 8; ++i){ if (object->name[i] != ' '){ *string_buffer++ = object->name[i]; } } *string_buffer++ = '/'; for (uint8 i = 0; i < 4; ++i){ uint8 flag_part = (object->flags >> (i * 8)) & 0xFF; *string_buffer++ = RCT2_ADDRESS(0x0098DA64, char)[flag_part >> 4]; *string_buffer++ = RCT2_ADDRESS(0x0098DA64, char)[flag_part & 0xF]; } for (uint8 i = 0; i < 4; ++i){ uint8 checksum_part = (object->checksum >> (i * 8)) & 0xFF; *string_buffer++ = RCT2_ADDRESS(0x0098DA64, char)[checksum_part >> 4]; *string_buffer++ = RCT2_ADDRESS(0x0098DA64, char)[checksum_part & 0xF]; } *string_buffer++ = '\0'; } /** * * rct2: 0x006AA0C6 */ bool object_read_and_load_entries(SDL_RWops* rw) { // Read all the object entries rct_object_entry *entries = malloc(OBJECT_ENTRY_COUNT * sizeof(rct_object_entry)); sawyercoding_read_chunk(rw, (uint8*)entries); bool result = object_load_entries(entries); free(entries); return result; } /** * * rct2: 0x006A9DA2 * bl = entry_index * ecx = entry_type */ int find_object_in_entry_group(const rct_object_entry* entry, uint8* entry_type, uint8* entry_index){ *entry_type = entry->flags & 0xF; rct_object_entry_group entry_group = object_entry_groups[*entry_type]; for (*entry_index = 0; *entry_index < object_entry_group_counts[*entry_type]; ++(*entry_index), entry_group.chunks++, entry_group.entries++){ if (*entry_group.chunks == (uint8*)-1) continue; if (object_entry_compare((rct_object_entry*)entry_group.entries, entry))break; } if (*entry_index == object_entry_group_counts[*entry_type])return 0; return 1; } void get_type_entry_index(size_t index, uint8 * outObjectType, uint8 * outEntryIndex) { uint8 objectType = OBJECT_TYPE_RIDE; for (size_t i = 0; i < OBJECT_ENTRY_GROUP_COUNT; i++) { size_t groupCount = object_entry_group_counts[i]; if (index >= groupCount) { index -= groupCount; objectType++; } else { break; } } if (outObjectType != NULL) *outObjectType = objectType; if (outEntryIndex != NULL) *outEntryIndex = (uint8)index; } const rct_object_entry * get_loaded_object_entry(size_t index) { uint8 objectType, entryIndex; get_type_entry_index(index, &objectType, &entryIndex); rct_object_entry * entry = (rct_object_entry *)&(object_entry_groups[objectType].entries[entryIndex]); return entry; } void * get_loaded_object_chunk(size_t index) { uint8 objectType, entryIndex; get_type_entry_index(index, &objectType, &entryIndex); void *entry = object_entry_groups[objectType].chunks[entryIndex]; return entry; } void object_entry_get_name(utf8 * buffer, size_t bufferSize, const rct_object_entry * entry) { size_t nameLength = 8; const char * end = memchr(entry->name, ' ', 8); if (end != NULL) { nameLength = (size_t)(end - entry->name); } bufferSize = min(nameLength + 1, bufferSize); memcpy(buffer, entry->name, bufferSize - 1); buffer[bufferSize - 1] = 0; } void object_entry_get_name_fixed(utf8 * buffer, size_t bufferSize, const rct_object_entry * entry) { bufferSize = min(9, bufferSize); memcpy(buffer, entry->name, bufferSize - 1); buffer[bufferSize - 1] = 0; }