/// <summary>
/// Function to read the animation data from a stream.
/// </summary>
/// <param name="stream">The stream containing the animation.</param>
/// <param name="byteCount">The number of bytes to read from the stream.</param>
/// <returns>A new <see cref="IGorgonAnimation"/>.</returns>
protected override IGorgonAnimation OnReadFromStream(Stream stream, int byteCount)
{
var builder = new GorgonAnimationBuilder();
var reader = new GorgonChunkFileReader(stream,
new[]
{
CurrentFileHeader
});
GorgonBinaryReader binReader = null;
try
{
reader.Open();
binReader = reader.OpenChunk(AnimationData);
string name = binReader.ReadString();
float length = binReader.ReadSingle();
bool isLooped = binReader.ReadBoolean();
int loopCount = binReader.ReadInt32();
reader.CloseChunk();
int keyCount;
if (reader.Chunks.Contains(PositionData))
{
binReader = reader.OpenChunk(PositionData);
builder.PositionInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyVector3> track = builder.EditPositions();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyVector3(binReader.ReadSingle(), binReader.ReadValue <DX.Vector3>()));
}
track.EndEdit();
reader.CloseChunk();
}
if (reader.Chunks.Contains(ScaleData))
{
binReader = reader.OpenChunk(ScaleData);
builder.ScaleInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyVector3> track = builder.EditScale();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyVector3(binReader.ReadSingle(), binReader.ReadValue <DX.Vector3>()));
}
track.EndEdit();
reader.CloseChunk();
}
if (reader.Chunks.Contains(RotationData))
{
binReader = reader.OpenChunk(RotationData);
builder.RotationInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyVector3> track = builder.EditRotation();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyVector3(binReader.ReadSingle(), binReader.ReadValue <DX.Vector3>()));
}
track.EndEdit();
reader.CloseChunk();
}
if (reader.Chunks.Contains(SizeData))
{
binReader = reader.OpenChunk(SizeData);
builder.SizeInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyVector3> track = builder.EditSize();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyVector3(binReader.ReadSingle(), binReader.ReadValue <DX.Vector3>()));
}
track.EndEdit();
reader.CloseChunk();
}
if (reader.Chunks.Contains(BoundsData))
{
binReader = reader.OpenChunk(BoundsData);
builder.RotationInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyRectangle> track = builder.EditRectangularBounds();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyRectangle(binReader.ReadSingle(), binReader.ReadValue <DX.RectangleF>()));
}
track.EndEdit();
reader.CloseChunk();
}
if (reader.Chunks.Contains(ColorData))
{
binReader = reader.OpenChunk(ColorData);
builder.RotationInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyGorgonColor> track = builder.EditColors();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyGorgonColor(binReader.ReadSingle(), binReader.ReadValue <GorgonColor>()));
}
track.EndEdit();
reader.CloseChunk();
}
IGorgonAnimation result;
if (!reader.Chunks.Contains(TextureData))
{
result = builder.Build(name, length);
result.IsLooped = isLooped;
result.LoopCount = loopCount;
return(result);
}
binReader = reader.OpenChunk(TextureData);
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyTexture2D> textureTrack = builder.Edit2DTexture();
for (int i = 0; i < keyCount; ++i)
{
float time = binReader.ReadSingle();
byte hasTexture = binReader.ReadByte();
GorgonTexture2DView texture = null;
string textureName = string.Empty;
if (hasTexture != 0)
{
texture = LoadTexture(binReader, out textureName);
if ((texture == null) && (string.IsNullOrWhiteSpace(textureName)))
{
Renderer.Log.Print("Attempted to load a texture from the data, but the texture was not in memory and the name is unknown.",
LoggingLevel.Verbose);
continue;
}
}
if ((texture == null) && (hasTexture != 0))
{
textureTrack.SetKey(new GorgonKeyTexture2D(time, textureName, binReader.ReadValue <DX.RectangleF>(), binReader.ReadInt32()));
}
else
{
textureTrack.SetKey(new GorgonKeyTexture2D(time, texture, binReader.ReadValue <DX.RectangleF>(), binReader.ReadInt32()));
}
}
textureTrack.EndEdit();
reader.CloseChunk();
result = builder.Build(name, length);
result.IsLooped = isLooped;
result.LoopCount = loopCount;
return(result);
}
finally
{
binReader?.Dispose();
reader.Close();
}
}
