mirror of https://github.com/OpenRCT2/OpenRCT2.git
219 lines
6.6 KiB
C++
219 lines
6.6 KiB
C++
#pragma region Copyright (c) 2014-2017 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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#pragma once
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#include "../common.h"
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#include "../core/Json.hpp"
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#include "ImageTable.h"
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#include "StringTable.h"
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// First 0xF of rct_object_entry->flags
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enum OBJECT_TYPE
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{
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OBJECT_TYPE_RIDE,
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OBJECT_TYPE_SMALL_SCENERY,
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OBJECT_TYPE_LARGE_SCENERY,
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OBJECT_TYPE_WALLS,
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OBJECT_TYPE_BANNERS,
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OBJECT_TYPE_PATHS,
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OBJECT_TYPE_PATH_BITS,
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OBJECT_TYPE_SCENERY_GROUP,
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OBJECT_TYPE_PARK_ENTRANCE,
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OBJECT_TYPE_WATER,
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OBJECT_TYPE_SCENARIO_TEXT,
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OBJECT_TYPE_COUNT
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};
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enum OBJECT_SELECTION_FLAGS
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{
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OBJECT_SELECTION_FLAG_SELECTED = (1 << 0),
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OBJECT_SELECTION_FLAG_2 = (1 << 1),
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OBJECT_SELECTION_FLAG_IN_USE = (1 << 2),
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// OBJECT_SELECTION_FLAG_REQUIRED = (1 << 3), // Unused feature
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OBJECT_SELECTION_FLAG_ALWAYS_REQUIRED = (1 << 4),
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OBJECT_SELECTION_FLAG_6 = (1 << 5),
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OBJECT_SELECTION_FLAG_7 = (1 << 6),
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OBJECT_SELECTION_FLAG_8 = (1 << 7),
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OBJECT_SELECTION_FLAG_ALL = 0xFF,
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};
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#define OBJECT_SELECTION_NOT_SELECTED_OR_REQUIRED 0
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enum OBJECT_SOURCE_GAME
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{
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OBJECT_SOURCE_CUSTOM,
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OBJECT_SOURCE_WACKY_WORLDS,
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OBJECT_SOURCE_TIME_TWISTER,
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OBJECT_SOURCE_OPENRCT2_OFFICIAL,
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OBJECT_SOURCE_RCT1,
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OBJECT_SOURCE_ADDED_ATTRACTIONS,
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OBJECT_SOURCE_LOOPY_LANDSCAPES,
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OBJECT_SOURCE_RCT2 = 8
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};
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#define OBJECT_ENTRY_COUNT 721
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#pragma pack(push, 1)
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/**
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* Object entry structure.
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* size: 0x10
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*/
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struct rct_object_entry {
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union {
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uint8 end_flag; // needed not to read past allocated buffer.
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uint32 flags;
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};
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union {
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char nameWOC[12];
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struct {
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char name[8];
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uint32 checksum;
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};
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};
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};
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assert_struct_size(rct_object_entry, 0x10);
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struct rct_object_entry_group {
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void **chunks;
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rct_object_entry *entries;
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};
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#ifdef PLATFORM_32BIT
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assert_struct_size(rct_object_entry_group, 8);
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#endif
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struct rct_ride_filters {
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uint8 category[2];
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uint8 ride_type;
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};
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assert_struct_size(rct_ride_filters, 3);
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struct rct_object_filters {
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union {
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rct_ride_filters ride;
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};
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};
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assert_struct_size(rct_object_filters, 3);
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#pragma pack(pop)
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interface IObjectRepository;
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interface IStream;
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struct ObjectRepositoryItem;
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struct rct_drawpixelinfo;
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interface IReadObjectContext
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{
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virtual ~IReadObjectContext() = default;
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virtual IObjectRepository& GetObjectRepository() abstract;
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virtual bool ShouldLoadImages() abstract;
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virtual void LogWarning(uint32 code, const utf8 * text) abstract;
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virtual void LogError(uint32 code, const utf8 * text) abstract;
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};
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#ifdef __WARN_SUGGEST_FINAL_TYPES__
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wsuggest-final-types"
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#pragma GCC diagnostic ignored "-Wsuggest-final-methods"
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#endif
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class Object
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{
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private:
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char * _identifier;
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rct_object_entry _objectEntry;
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StringTable _stringTable;
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ImageTable _imageTable;
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protected:
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StringTable & GetStringTable() { return _stringTable; }
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const StringTable & GetStringTable() const { return _stringTable; }
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ImageTable & GetImageTable() { return _imageTable; }
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std::string GetOverrideString(uint8 index) const;
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std::string GetString(uint8 index) const;
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std::string GetString(sint32 language, uint8 index) const;
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void SetSourceGame(const uint8 sourceGame);
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bool IsRCT1Object();
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bool IsAAObject();
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bool IsLLObject();
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bool IsOpenRCT2OfficialObject();
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public:
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explicit Object(const rct_object_entry &entry);
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virtual ~Object();
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// Legacy data structures
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const char * GetIdentifier() const { return _identifier; }
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const rct_object_entry * GetObjectEntry() const { return &_objectEntry; }
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virtual void * GetLegacyData() abstract;
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virtual void ReadJson(IReadObjectContext * context, const json_t * root) { }
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virtual void ReadLegacy(IReadObjectContext * context, IStream * stream) abstract;
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virtual void Load() abstract;
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virtual void Unload() abstract;
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virtual void DrawPreview(rct_drawpixelinfo * dpi, sint32 width, sint32 height) const { }
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virtual uint8 GetObjectType() const final { return _objectEntry.flags & 0x0F; }
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virtual std::string GetName() const;
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virtual std::string GetName(sint32 language) const;
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virtual void SetRepositoryItem(ObjectRepositoryItem * item) const { }
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const ImageTable & GetImageTable() const { return _imageTable; }
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rct_object_entry GetScgWallsHeader();
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rct_object_entry GetScgPathXHeader();
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rct_object_entry CreateHeader(const char name[9], uint32 flags, uint32 checksum);
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};
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#ifdef __WARN_SUGGEST_FINAL_TYPES__
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#pragma GCC diagnostic pop
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#endif
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enum OBJECT_ERROR : uint32
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{
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OBJECT_ERROR_OK,
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OBJECT_ERROR_UNKNOWN,
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OBJECT_ERROR_BAD_ENCODING,
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OBJECT_ERROR_INVALID_PROPERTY,
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OBJECT_ERROR_BAD_STRING_TABLE,
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OBJECT_ERROR_BAD_IMAGE_TABLE,
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OBJECT_ERROR_UNEXPECTED_EOF,
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};
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extern sint32 object_entry_group_counts[];
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extern sint32 object_entry_group_encoding[];
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void object_list_load();
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bool object_entry_is_empty(const rct_object_entry *entry);
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bool object_entry_compare(const rct_object_entry *a, const rct_object_entry *b);
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sint32 object_calculate_checksum(const rct_object_entry * entry, const void * data, size_t dataLength);
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bool find_object_in_entry_group(const rct_object_entry* entry, uint8* entry_type, uint8* entry_index);
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void object_create_identifier_name(char* string_buffer, size_t size, const rct_object_entry* object);
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const rct_object_entry * object_list_find(rct_object_entry *entry);
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void object_entry_get_name_fixed(utf8 * buffer, size_t bufferSize, const rct_object_entry * entry);
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void * object_entry_get_chunk(sint32 objectType, size_t index);
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const rct_object_entry * object_entry_get_entry(sint32 objectType, size_t index);
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