Method Vfs

PanzerChasm/vfs.cpp:68–108

}

Vfs::Vfs(
	const char* archive_file_name,
	const char* const addon_path )
	: archive_file_( std::fopen( archive_file_name, "rb" ) )
	, addon_path_( PrepareAddonPath( addon_path ) )
{
	if( archive_file_ == nullptr )
	{
		Log::FatalError( "Could not open file \"", archive_file_name, "\"" );
		return;
	}

	char header[4];
	FileRead( archive_file_, header, sizeof(header) );
	if( std::strncmp( header, "CSid", sizeof(header) ) != 0 )
	{
		Log::FatalError( "File \"", archive_file_name, "\" is not \"Chasm: The Rift\" archive" );
		return;
	}

	unsigned short files_in_archive_count;
	FileRead( archive_file_, &files_in_archive_count, sizeof(files_in_archive_count) );

	std::vector<FileInfoPacked> files_info_packed( files_in_archive_count );
	FileRead( archive_file_, files_info_packed.data(), files_info_packed.size() * sizeof(FileInfoPacked ) );

	virtual_files_.reserve( files_in_archive_count );

	for( const FileInfoPacked& file_info_packed : files_info_packed )
	{
		virtual_files_.emplace_back();
		VirtualFile& file= virtual_files_.back();

		std::memcpy( file.name, file_info_packed.name, file_info_packed.name_length );
		if( file_info_packed.name_length < sizeof(file.name) )
			file.name[ file_info_packed.name_length ]= '\0';

		std::memcpy( &file.size  , &file_info_packed.size  , sizeof(unsigned int) );
		std::memcpy( &file.offset, &file_info_packed.offset, sizeof(unsigned int) );
	}
}

Vfs::~Vfs()
{