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https://github.com/vcmi/vcmi.git
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b87897096c
- removed CResourceLoader class in favor of one that implements resource loader interface - removed global pool of files, in favour of more dynamic approach - renamed some files to match current situation All these changes are needed mostly for future mod manager + .zip support
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
#include "StdInc.h"
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#include "CMapService.h"
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#include "../filesystem/Filesystem.h"
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#include "../filesystem/CBinaryReader.h"
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#include "../filesystem/CCompressedStream.h"
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#include "../filesystem/CMemoryStream.h"
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#include "CMap.h"
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#include "MapFormatH3M.h"
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std::unique_ptr<CMap> CMapService::loadMap(const std::string & name)
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{
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auto stream = getStreamFromFS(name);
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return getMapLoader(stream)->loadMap();
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}
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std::unique_ptr<CMapHeader> CMapService::loadMapHeader(const std::string & name)
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{
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auto stream = getStreamFromFS(name);
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return getMapLoader(stream)->loadMapHeader();
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}
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std::unique_ptr<CMap> CMapService::loadMap(const ui8 * buffer, int size)
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{
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auto stream = getStreamFromMem(buffer, size);
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return getMapLoader(stream)->loadMap();
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}
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std::unique_ptr<CMapHeader> CMapService::loadMapHeader(const ui8 * buffer, int size)
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{
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auto stream = getStreamFromMem(buffer, size);
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return getMapLoader(stream)->loadMapHeader();
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}
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std::unique_ptr<CInputStream> CMapService::getStreamFromFS(const std::string & name)
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{
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return CResourceHandler::get()->load(ResourceID(name, EResType::MAP));
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}
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std::unique_ptr<CInputStream> CMapService::getStreamFromMem(const ui8 * buffer, int size)
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{
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return std::unique_ptr<CInputStream>(new CMemoryStream(buffer, size));
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}
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std::unique_ptr<IMapLoader> CMapService::getMapLoader(std::unique_ptr<CInputStream> & stream)
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{
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// Read map header
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CBinaryReader reader(stream.get());
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ui32 header = reader.readUInt32();
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reader.getStream()->seek(0);
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// Check which map format is used
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// gzip header is 3 bytes only in size
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switch(header & 0xffffff)
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{
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// gzip header magic number, reversed for LE
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case 0x00088B1F:
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stream = std::unique_ptr<CInputStream>(new CCompressedStream(std::move(stream), true));
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return std::unique_ptr<IMapLoader>(new CMapLoaderH3M(stream.get()));
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case EMapFormat::WOG :
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case EMapFormat::AB :
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case EMapFormat::ROE :
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case EMapFormat::SOD :
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return std::unique_ptr<IMapLoader>(new CMapLoaderH3M(stream.get()));
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default :
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throw std::runtime_error("Unknown map format");
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}
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}
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