private static VolumeResourceMap ReadResourceMap(byte[] data)
{
var map = new VolumeResourceMap();
int offset = 0;
// [0][1] = Offset of logdir
int logOffset = (data[offset + 1] * 0x100) + data[offset];
offset += 2;
// [2][3] = Offset of picdir
int picOffset = (data[offset + 1] * 0x100) + data[offset];
offset += 2;
// [4][5] = Offset of viewdir
int viewOffset = (data[offset + 1] * 0x100) + data[offset];
offset += 2;
// [6][7] = Offset of snddir
int sndOffset = (data[offset + 1] * 0x100) + data[offset];
offset += 2;
VolumeDecoder.ReadResourceMap(data, logOffset, picOffset - logOffset, map.LogicResources);
VolumeDecoder.ReadResourceMap(data, picOffset, viewOffset - picOffset, map.PictureResources);
VolumeDecoder.ReadResourceMap(data, viewOffset, sndOffset - viewOffset, map.ViewResources);
VolumeDecoder.ReadResourceMap(data, sndOffset, data.Length - sndOffset, map.SoundResources);
return(map);
}
/// <summary>
/// Initializes a new instance of the <see cref="ResourceLoader"/> class.
/// </summary>
/// <param name="gameContainer">Game container.</param>
/// <param name="gameId">Game id.</param>
/// <param name="platform">Game platform.</param>
/// <param name="version">Interpreter version.</param>
public ResourceLoader(IGameContainer gameContainer, string gameId, Platform platform, InterpreterVersion version)
{
if (gameContainer == null)
{
throw new ArgumentNullException(nameof(gameContainer));
}
if (gameId == null)
{
throw new ArgumentNullException(nameof(gameId));
}
if (!IsGameFolder(gameContainer))
{
throw new GameNotFoundException();
}
this.gameContainer = gameContainer;
this.platform = platform;
this.version = version;
this.inventoryPadded = platform == Platform.Amiga;
if (this.IsVersion2())
{
this.volumeDecoder = new VolumeDecoderV2();
this.gameCompression = false;
}
else if (this.IsVersion3())
{
this.volumeDecoder = new VolumeDecoderV3(gameId, platform);
this.gameCompression = true;
}
this.resourceMap = this.volumeDecoder.LoadResourceMap(gameContainer);
}
/// <summary>
/// Load the resource map located in the specified folder.
/// </summary>
/// <param name="container">Game container where the resource map file(s) are located.</param>
/// <returns>Resource map.</returns>
VolumeResourceMap IVolumeDecoder.LoadResourceMap(IGameContainer container)
{
if (container == null)
{
throw new ArgumentNullException(nameof(container));
}
var map = new VolumeResourceMap();
VolumeDecoderV2.LoadResourceMapFile(container.Read(LogMapFile), map.LogicResources);
VolumeDecoderV2.LoadResourceMapFile(container.Read(ViewMapFile), map.ViewResources);
VolumeDecoderV2.LoadResourceMapFile(container.Read(PicMapFile), map.PictureResources);
VolumeDecoderV2.LoadResourceMapFile(container.Read(SndMapFile), map.SoundResources);
return(map);
}