mirror of
https://github.com/OpenRCT2/OpenRCT2
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84 lines
2.6 KiB
C++
84 lines
2.6 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 "../core/FileStream.hpp"
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#include "../core/Memory.hpp"
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#include "../core/MemoryStream.h"
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#include "EntranceObject.h"
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#include "FootpathItemObject.h"
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#include "FootpathObject.h"
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#include "Object.h"
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#include "ObjectFactory.h"
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#include "StexObject.h"
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extern "C"
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{
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#include "../object.h"
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#include "../util/sawyercoding.h"
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}
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namespace ObjectFactory
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{
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Object * CreateObjectFromLegacyFile(const utf8 * path)
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{
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Object * result = nullptr;
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SDL_RWops * file = SDL_RWFromFile(path, "rb");
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if (file != nullptr)
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{
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rct_object_entry entry;
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if (SDL_RWread(file, &entry, sizeof(entry), 1) == 1)
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{
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result = CreateObject(entry);
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if (result != nullptr)
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{
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size_t bufferSize = 0x600000;
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void * buffer = Memory::Allocate<void>(bufferSize);
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bufferSize = sawyercoding_read_chunk_with_size(file, (uint8 *)buffer, bufferSize);
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buffer = Memory::Reallocate(buffer, bufferSize);
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auto ms = MemoryStream(buffer, bufferSize);
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result->ReadLegacy(&ms);
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}
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}
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SDL_RWclose(file);
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}
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return result;
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}
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Object * CreateObject(const rct_object_entry &entry)
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{
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Object * result = nullptr;
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uint8 objectType = entry.flags & 0x0F;
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switch (objectType) {
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case OBJECT_TYPE_PATHS:
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result = new FootpathObject(entry);
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break;
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case OBJECT_TYPE_PATH_BITS:
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result = new FootpathItemObject(entry);
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break;
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case OBJECT_TYPE_PARK_ENTRANCE:
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result = new EntranceObject(entry);
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break;
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case OBJECT_TYPE_SCENARIO_TEXT:
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result = new StexObject(entry);
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break;
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}
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return result;
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}
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}
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