private static W3dFile Parse(BinaryReader reader, string filePath)
{
var context = new W3dParseContext();
context.PushChunk(nameof(W3dFile), reader.BaseStream.Length);
var result = new W3dFile
{
FilePath = filePath
};
W3dContainerChunk.ParseChunks(reader, reader.BaseStream.Length, chunkType =>
{
switch (chunkType)
{
case W3dChunkType.W3D_CHUNK_MESH:
result.Chunks.Add(W3dMesh.Parse(reader, context));
break;
case W3dChunkType.W3D_CHUNK_BOX:
result.Chunks.Add(W3dBox.Parse(reader, context));
break;
case W3dChunkType.W3D_CHUNK_HIERARCHY:
result.Chunks.Add(W3dHierarchyDef.Parse(reader, context));
break;
case W3dChunkType.W3D_CHUNK_HLOD:
result.Chunks.Add(W3dHLod.Parse(reader, context));
break;
case W3dChunkType.W3D_CHUNK_ANIMATION:
result.Chunks.Add(W3dAnimation.Parse(reader, context));
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION:
result.Chunks.Add(W3dCompressedAnimation.Parse(reader, context));
break;
case W3dChunkType.W3D_CHUNK_EMITTER:
result.Chunks.Add(W3dEmitter.Parse(reader, context));
break;
default:
throw W3dContainerChunk.CreateUnknownChunkException(chunkType);
}
});
context.PopAsset();
return(result);
}
internal static W3dCompressedAnimation Parse(BinaryReader reader, W3dParseContext context)
{
return(ParseChunk(reader, context, header =>
{
var result = new W3dCompressedAnimation();
ParseChunks(reader, context.CurrentEndPosition, chunkType =>
{
switch (chunkType)
{
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION_HEADER:
result.Header = W3dCompressedAnimationHeader.Parse(reader, context);
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION_CHANNEL:
switch (result.Header.Flavor)
{
case W3dCompressedAnimationFlavor.TimeCoded:
result.TimeCodedChannels.Add(W3dTimeCodedAnimationChannel.Parse(reader, context));
break;
case W3dCompressedAnimationFlavor.AdaptiveDelta4:
result.AdaptiveDeltaChannels.Add(W3dAdaptiveDeltaAnimationChannel.Parse(reader, context, W3dAdaptiveDeltaBitCount.FourBits));
break;
default:
throw new InvalidDataException();
}
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_BIT_CHANNEL:
switch (result.Header.Flavor)
{
case W3dCompressedAnimationFlavor.TimeCoded:
result.TimeCodedBitChannels.Add(W3dTimeCodedBitChannel.Parse(reader, context));
break;
default:
throw new InvalidDataException();
}
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION_MOTION_CHANNEL:
switch (result.Header.Flavor)
{
case W3dCompressedAnimationFlavor.TimeCoded:
result.MotionChannels.Add(W3dMotionChannel.Parse(reader, context));
break;
default:
throw new InvalidDataException();
}
break;
default:
throw CreateUnknownChunkException(chunkType);
}
});
return result;
}));
}
private static W3dFile Parse(BinaryReader reader, string filePath)
{
var meshes = new List <W3dMesh>();
var boxes = new List <W3dBox>();
W3dHierarchyDef hierarchy = null;
W3dHLod hlod = null;
var animations = new List <W3dAnimation>();
var compressedAnimations = new List <W3dCompressedAnimation>();
var emitters = new List <W3dEmitter>();
W3dFile result;
if (reader.BaseStream.Length > 0)
{
result = ParseChunk <W3dFile>(reader, (uint)reader.BaseStream.Length, (x, header) =>
{
switch (header.ChunkType)
{
case W3dChunkType.W3D_CHUNK_MESH:
meshes.Add(W3dMesh.Parse(reader, header.ChunkSize));
break;
case W3dChunkType.W3D_CHUNK_BOX:
boxes.Add(W3dBox.Parse(reader));
break;
case W3dChunkType.W3D_CHUNK_HIERARCHY:
if (hierarchy != null)
{
throw new InvalidDataException();
}
hierarchy = W3dHierarchyDef.Parse(reader, header.ChunkSize);
break;
case W3dChunkType.W3D_CHUNK_HLOD:
if (hlod != null)
{
throw new InvalidDataException();
}
hlod = W3dHLod.Parse(reader, header.ChunkSize);
break;
case W3dChunkType.W3D_CHUNK_ANIMATION:
animations.Add(W3dAnimation.Parse(reader, header.ChunkSize));
break;
case W3dChunkType.W3D_CHUNK_COMPRESSED_ANIMATION:
compressedAnimations.Add(W3dCompressedAnimation.Parse(reader, header.ChunkSize));
break;
case W3dChunkType.W3D_CHUNK_EMITTER:
emitters.Add(W3dEmitter.Parse(reader, header.ChunkSize));
break;
default:
throw CreateUnknownChunkException(header);
}
});
}
else
{
result = new W3dFile();
}
result.FilePath = filePath;
result.Meshes = meshes;
result.Boxes = boxes;
result.Hierarchy = hierarchy;
result.HLod = hlod;
result.Animations = animations;
result.CompressedAnimations = compressedAnimations;
result.Emitters = emitters;
return(result);
}
