void FileIndex::indexArchive(const std::string& archive)
{
// Split directory from archive name
auto slash = archive.find_last_of('/');
auto directory = archive.substr(0, slash);
auto archivebasename = archive.substr(slash+1);
auto archivepath = directory + "/" + archivebasename;
LoaderIMG img;
if( ! img.load( archivepath ) )
{
throw std::runtime_error("Failed to load IMG archive: " + archivepath);
}
std::string lowerName;
for( size_t i = 0; i < img.getAssetCount(); ++i )
{
auto& asset = img.getAssetInfoByIndex(i);
if( asset.size == 0 ) continue;
lowerName = asset.name;
std::transform(lowerName.begin(), lowerName.end(), lowerName.begin(), ::tolower);
files[ lowerName ] = {
lowerName,
asset.name,
directory,
archivebasename
};
}
}
void FileIndex::indexArchive(const std::string& archive)
{
// Split directory from archive name
path archive_path = path(archive);
path directory = archive_path.parent_path();
path archive_basename = archive_path.filename();
path archive_full_path = directory/archive_basename;
LoaderIMG img;
if(!img.load(archive_full_path.string())) {
throw std::runtime_error("Failed to load IMG archive: " + archive_full_path.string());
}
std::string lowerName;
for( size_t i = 0; i < img.getAssetCount(); ++i ) {
auto& asset = img.getAssetInfoByIndex(i);
if( asset.size == 0 ) continue;
lowerName = asset.name;
std::transform(lowerName.begin(), lowerName.end(), lowerName.begin(), ::tolower);
files[lowerName] = {lowerName, asset.name, directory.string(), archive_basename.string()};
}
}
FileHandle FileIndex::openFile(const std::string& filename)
{
auto iterator = files.find( filename );
if( iterator == files.end() )
{
return nullptr;
}
IndexData& f = iterator->second;
bool isArchive = !f.archive.empty();
auto fsName = f.directory + "/" + f.originalName;
char* data = nullptr;
size_t length = 0;
if( isArchive )
{
fsName = f.directory + "/" + f.archive;
LoaderIMG img;
if( ! img.load(fsName) )
{
throw std::runtime_error("Failed to load IMG archive: " + fsName);
}
LoaderIMGFile file;
if( img.findAssetInfo(f.originalName, file) )
{
length = file.size * 2048;
data = img.loadToMemory(f.originalName);
}
}
else
{
std::ifstream dfile(fsName.c_str(), std::ios_base::binary);
if ( ! dfile.is_open()) {
throw std::runtime_error("Unable to open file: " + fsName);
}
dfile.seekg(0, std::ios_base::end);
length = dfile.tellg();
dfile.seekg(0);
data = new char[length];
dfile.read(data, length);
}
if( data == nullptr )
{
return nullptr;
}
return FileHandle( new FileContentsInfo{ data, length } );
}
