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Files
OpenRCT2/src/object/ObjectFactory.cpp
2016-07-08 22:58:38 +01:00

84 lines
2.6 KiB
C++

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