metaforce/DataSpec/AssetNameMap.cpp

88 lines
2.2 KiB
C++

#include "AssetNameMap.hpp"
#include "athena/MemoryReader.hpp"
extern "C" uint8_t ASSET_NAME_MP32[];
extern "C" uint32_t ASSET_NAME_MP32_SZ;
extern "C" uint8_t ASSET_NAME_MP64[];
extern "C" uint32_t ASSET_NAME_MP64_SZ;
namespace DataSpec
{
namespace AssetNameMap
{
logvisor::Module Log("AssetNameMap");
struct SAsset
{
std::string name;
std::string directory;
hecl::FourCC type;
SAsset() = default;
SAsset(const hecl::FourCC& typeIn, athena::io::IStreamReader& in)
: type(typeIn)
{
uint32_t nameLen = in.readUint32Big();
name = in.readString(nameLen);
uint32_t dirLen = in.readUint32Big();
directory = in.readString(dirLen);
}
};
static std::unordered_map<uint64_t, SAsset> g_AssetNameMap;
static bool g_AssetNameMapInit = false;
void LoadAssetMap(athena::io::MemoryReader& ar)
{
if (!ar.hasError())
{
hecl::FourCC magic;
if (ar.length() >= 4)
ar.readBytesToBuf(&magic, 4);
if (magic != FOURCC('AIDM'))
Log.report(logvisor::Warning, _S("Unable to load asset map; Assets will not have proper filenames for most files."));
else
{
uint32_t assetCount = ar.readUint32Big();
g_AssetNameMap.reserve(assetCount);
for (uint32_t i = 0 ; i<assetCount ; ++i)
{
hecl::FourCC type;
ar.readBytesToBuf(&type, 4);
uint64_t id = ar.readUint64Big();
g_AssetNameMap[id] = SAsset(type, ar);
}
}
}
}
void InitAssetNameMap()
{
if (g_AssetNameMapInit)
return;
Log.report(logvisor::Info, "Initializing asset name database...");
/* First load the 32bit map for MP1/2 */
{
athena::io::MemoryReader ar(ASSET_NAME_MP32, ASSET_NAME_MP32_SZ);
LoadAssetMap(ar);
}
/* Now load the 64bit map for MP3 */
{
athena::io::MemoryReader ar(ASSET_NAME_MP64, ASSET_NAME_MP64_SZ);
LoadAssetMap(ar);
}
g_AssetNameMapInit = true;
}
const std::string* TranslateIdToName(const UniqueID32& id)
{
if (g_AssetNameMap.find(id.toUint64()) == g_AssetNameMap.end())
return nullptr;
return &g_AssetNameMap[id.toUint64()].name;
}
}
}