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https://github.com/OpenRCT2/OpenRCT2
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378 lines
11 KiB
C
378 lines
11 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 "addresses.h"
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#include "config.h"
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#include "game.h"
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#include "localisation/localisation.h"
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#include "object.h"
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#include "object_list.h"
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#include "platform/platform.h"
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#include "rct1.h"
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#include "ride/track.h"
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#include "ride/track_design.h"
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#include "util/sawyercoding.h"
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#include "world/entrance.h"
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#include "world/footpath.h"
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#include "world/scenery.h"
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#include "world/water.h"
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// 98DA00
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int object_entry_group_counts[] = {
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128, // rides
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252, // small scenery
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128, // large scenery
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128, // walls
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32, // banners
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16, // paths
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15, // path bits
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19, // scenery sets
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1, // park entrance
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1, // water
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1 // scenario text
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};
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// 98DA2C
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int object_entry_group_encoding[] = {
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CHUNK_ENCODING_RLE,
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CHUNK_ENCODING_RLE,
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CHUNK_ENCODING_RLE,
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CHUNK_ENCODING_RLE,
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CHUNK_ENCODING_RLE,
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CHUNK_ENCODING_RLE,
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CHUNK_ENCODING_RLE,
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CHUNK_ENCODING_RLE,
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CHUNK_ENCODING_RLE,
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CHUNK_ENCODING_RLE,
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CHUNK_ENCODING_ROTATE
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};
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#if NO_RCT2
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rct_ride_entry *gRideEntries[128];
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rct_small_scenery_entry *gSmallSceneryEntries[252];
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rct_large_scenery_entry *gLargeSceneryEntries[128];
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rct_wall_scenery_entry *gWallSceneryEntries[128];
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rct_banner *gBannerSceneryEntries[32];
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rct_footpath_entry *gFootpathEntries[16];
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rct_path_bit_scenery_entry *gFootpathAdditionEntries[15];
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rct_scenery_set_entry *gSceneryGroupEntries[19];
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rct_entrance_type *gParkEntranceEntries[1];
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rct_water_type *gWaterEntries[1];
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rct_stex_entry *gStexEntries[1];
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#endif
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// 0x98D97C chunk address', 0x98D980 object_entries
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const rct_object_entry_group object_entry_groups[] = {
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(void**)(gRideEntries ), (rct_object_entry_extended*)(0x00F3F03C ), // rides
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(void**)(gSmallSceneryEntries ), (rct_object_entry_extended*)(0x00F3F03C + (128 * 20)), // small scenery 0x009AD1A4, 0xF2FA3C
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(void**)(gLargeSceneryEntries ), (rct_object_entry_extended*)(0x00F3F03C + (380 * 20)), // large scenery 0x009AD594, 0xF40DEC
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(void**)(gWallSceneryEntries ), (rct_object_entry_extended*)(0x00F3F03C + (508 * 20)), // walls 0x009AD794, 0xF417EC
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(void**)(gBannerSceneryEntries ), (rct_object_entry_extended*)(0x00F3F03C + (636 * 20)), // banners 0x009AD994, 0xF421EC
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(void**)(gFootpathEntries ), (rct_object_entry_extended*)(0x00F3F03C + (668 * 20)), // paths 0x009ADA14, 0xF4246C
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(void**)(gFootpathAdditionEntries ), (rct_object_entry_extended*)(0x00F3F03C + (684 * 20)), // path bits 0x009ADA54, 0xF425AC
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(void**)(gSceneryGroupEntries ), (rct_object_entry_extended*)(0x00F3F03C + (699 * 20)), // scenery sets 0x009ADA90, 0xF426D8
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(void**)(gParkEntranceEntries ), (rct_object_entry_extended*)(0x00F3F03C + (718 * 20)), // park entrance 0x009ADADC, 0xF42854
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(void**)(gWaterEntries ), (rct_object_entry_extended*)(0x00F3F03C + (719 * 20)), // water 0x009ADAE0, 0xF42868
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(void**)(gStexEntries ), (rct_object_entry_extended*)(0x00F3F03C + (720 * 20)) // scenario text 0x009ADAE4, 0xF4287C
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};
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static void load_object_filter(rct_object_entry* entry, uint8* chunk, rct_object_filters* filter);
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static rct_object_filters *_installedObjectFilters = NULL;
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rct_stex_entry *gStexTempChunk;
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uint32 gInstalledObjectsCount;
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rct_object_entry *gInstalledObjects;
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uint32 gNumInstalledRCT2Objects;
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uint32 gNumInstalledCustomObjects;
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void *gLastLoadedObjectChunkData;
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static uint32 object_list_count_custom_objects()
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{
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uint32 numCustomObjects = 0;
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rct_object_entry *object = gInstalledObjects;
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for (uint32 i = 0; i < gInstalledObjectsCount; i++) {
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if ((object->flags & 0xF0) == 0) {
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numCustomObjects++;
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}
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object = object_get_next(object);
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}
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gNumInstalledCustomObjects = numCustomObjects;
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return numCustomObjects;
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}
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/**
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*
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* rct2: 0x006A93CD
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*/
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static void object_list_examine()
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{
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object_list_count_custom_objects();
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// object_list_sort();
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}
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int check_object_entry(rct_object_entry *entry)
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{
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uint32 *dwords = (uint32*)entry;
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return (0xFFFFFFFF & dwords[0] & dwords[1] & dwords[2] & dwords[3]) + 1 != 0;
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}
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/**
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*
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* rct2: 0x006AB344
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*/
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void object_create_identifier_name(char* string_buffer, const rct_object_entry* object)
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{
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for (uint8 i = 0; i < 8; ++i){
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if (object->name[i] != ' '){
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*string_buffer++ = object->name[i];
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}
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}
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*string_buffer++ = '/';
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for (uint8 i = 0; i < 4; ++i){
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uint8 flag_part = (object->flags >> (i * 8)) & 0xFF;
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*string_buffer++ = RCT2_ADDRESS(0x0098DA64, char)[flag_part >> 4];
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*string_buffer++ = RCT2_ADDRESS(0x0098DA64, char)[flag_part & 0xF];
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}
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for (uint8 i = 0; i < 4; ++i){
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uint8 checksum_part = (object->checksum >> (i * 8)) & 0xFF;
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*string_buffer++ = RCT2_ADDRESS(0x0098DA64, char)[checksum_part >> 4];
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*string_buffer++ = RCT2_ADDRESS(0x0098DA64, char)[checksum_part & 0xF];
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}
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*string_buffer++ = '\0';
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}
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/**
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*
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* rct2: 0x675827
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*/
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void set_load_objects_fail_reason()
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{
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rct_object_entry *object;
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memcpy(&object, gCommonFormatArgs, sizeof(rct_object_entry*));
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int expansion = (object->flags & 0xFF) >> 4;
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if (expansion == 0 ||
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expansion == 8 ||
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RCT2_GLOBAL(RCT2_ADDRESS_EXPANSION_FLAGS, uint16) & (1 << expansion)
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) {
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char* string_buffer = RCT2_ADDRESS(0x9BC677, char);
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format_string(string_buffer, STR_MISSING_OBJECT_DATA_ID, 0);
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object_create_identifier_name(string_buffer, object);
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gErrorType = ERROR_TYPE_FILE_LOAD;
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gErrorStringId = STR_PLACEHOLDER;
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return;
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}
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rct_string_id expansionNameId;
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switch(expansion) {
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case 1: // Wacky Worlds
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expansionNameId = STR_OBJECT_FILTER_WW;
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break;
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case 2: // Time Twister
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expansionNameId = STR_OBJECT_FILTER_TT;
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break;
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default:
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gErrorType = ERROR_TYPE_FILE_LOAD;
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gErrorStringId = STR_REQUIRES_AN_ADDON_PACK;
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return;
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}
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char* string_buffer = RCT2_ADDRESS(0x9BC677, char);
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format_string(string_buffer, STR_REQUIRES_THE_FOLLOWING_ADDON_PACK, &expansionNameId);
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gErrorType = ERROR_TYPE_FILE_LOAD;
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gErrorStringId = STR_PLACEHOLDER;
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}
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/**
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*
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* rct2: 0x006AA0C6
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*/
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bool object_read_and_load_entries(SDL_RWops* rw)
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{
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// Read all the object entries
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rct_object_entry *entries = malloc(OBJECT_ENTRY_COUNT * sizeof(rct_object_entry));
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sawyercoding_read_chunk(rw, (uint8*)entries);
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bool result = object_load_entries(entries);
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free(entries);
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return result;
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}
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bool object_load_entries(rct_object_entry* entries)
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{
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log_verbose("loading required objects");
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object_unload_all();
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bool loadFailed = false;
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// Load each object
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for (int i = 0; i < OBJECT_ENTRY_COUNT; i++) {
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if (!check_object_entry(&entries[i])) {
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continue;
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}
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// Get entry group index
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int entryGroupIndex = i;
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for (int j = 0; j < countof(object_entry_group_counts); j++) {
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if (entryGroupIndex < object_entry_group_counts[j])
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break;
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entryGroupIndex -= object_entry_group_counts[j];
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}
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// Load the obect
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if (!object_load_chunk(entryGroupIndex, &entries[i], NULL)) {
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log_error("failed to load entry: %.8s", entries[i].name);
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memcpy(gCommonFormatArgs, &entries[i], sizeof(rct_object_entry));
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loadFailed = true;
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}
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}
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if (loadFailed) {
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object_unload_all();
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return false;
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}
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log_verbose("finished loading required objects");
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return true;
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}
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/**
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*
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* rct2: 0x006A9DA2
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* bl = entry_index
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* ecx = entry_type
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*/
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int find_object_in_entry_group(rct_object_entry* entry, uint8* entry_type, uint8* entry_index){
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*entry_type = entry->flags & 0xF;
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rct_object_entry_group entry_group = object_entry_groups[*entry_type];
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for (*entry_index = 0;
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*entry_index < object_entry_group_counts[*entry_type];
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++(*entry_index),
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entry_group.chunks++,
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entry_group.entries++){
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if (*entry_group.chunks == (uint8*)-1) continue;
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if (object_entry_compare((rct_object_entry*)entry_group.entries, entry))break;
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}
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if (*entry_index == object_entry_group_counts[*entry_type])return 0;
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return 1;
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}
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rct_string_id object_get_name_string_id(rct_object_entry *entry, const void *chunk)
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{
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int objectType = entry->flags & 0x0F;
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switch (objectType) {
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case OBJECT_TYPE_RIDE:
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return ((rct_ride_entry*)chunk)->name;
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case OBJECT_TYPE_SMALL_SCENERY:
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case OBJECT_TYPE_LARGE_SCENERY:
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case OBJECT_TYPE_WALLS:
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case OBJECT_TYPE_BANNERS:
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case OBJECT_TYPE_PATH_BITS:
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return ((rct_scenery_entry*)chunk)->name;
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case OBJECT_TYPE_PATHS:
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return ((rct_footpath_entry*)chunk)->string_idx;
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case OBJECT_TYPE_SCENERY_SETS:
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return ((rct_scenery_set_entry*)chunk)->name;
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case OBJECT_TYPE_PARK_ENTRANCE:
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return ((rct_entrance_type*)chunk)->string_idx;
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case OBJECT_TYPE_WATER:
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return ((rct_water_type*)chunk)->string_idx;
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case OBJECT_TYPE_SCENARIO_TEXT:
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return ((rct_stex_entry*)chunk)->scenario_name;
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default:
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return STR_NONE;
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}
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}
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static void load_object_filter(rct_object_entry* entry, uint8* chunk, rct_object_filters* filter)
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{
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rct_ride_entry *rideType;
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rct_ride_filters *rideFilter;
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switch (entry->flags & 0xF) {
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case OBJECT_TYPE_RIDE:
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rideType = ((rct_ride_entry*)chunk);
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rideFilter = &(filter->ride);
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rideFilter->category[0] = rideType->category[0];
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rideFilter->category[1] = rideType->category[1];
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for (int i = 0; i < 3; i++) {
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rideFilter->ride_type = rideType->ride_type[i];
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if (rideFilter->ride_type != 255)
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break;
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}
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break;
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case OBJECT_TYPE_SMALL_SCENERY:
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case OBJECT_TYPE_LARGE_SCENERY:
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case OBJECT_TYPE_WALLS:
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case OBJECT_TYPE_BANNERS:
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case OBJECT_TYPE_PATHS:
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case OBJECT_TYPE_PATH_BITS:
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case OBJECT_TYPE_SCENERY_SETS:
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case OBJECT_TYPE_PARK_ENTRANCE:
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case OBJECT_TYPE_WATER:
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case OBJECT_TYPE_SCENARIO_TEXT:
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break;
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}
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}
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rct_object_filters *get_object_filter(int index)
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{
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return &_installedObjectFilters[index];
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}
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void object_list_init()
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{
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for (uint8 objectType = 0; objectType < OBJECT_ENTRY_GROUP_COUNT; objectType++) {
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for (size_t i = 0; i < (size_t)object_entry_group_counts[objectType]; i++) {
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object_entry_groups[objectType].chunks[i] = (void*)-1;
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}
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}
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}
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void *get_loaded_object_entry(size_t index)
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{
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uint8 objectType = OBJECT_TYPE_RIDE;
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for (size_t i = 0; i < OBJECT_ENTRY_GROUP_COUNT; i++) {
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size_t groupCount = object_entry_group_counts[i];
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if (index >= groupCount) {
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index -= object_entry_group_counts[i];
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objectType++;
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} else {
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break;
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}
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}
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void *entry = object_entry_groups[objectType].chunks[index];
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return entry;
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}
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