internal SdkMeshAnimationFrame(SdkMeshRawAnimFrameData rawFrame)
{
this.FrameName = rawFrame.FrameName;
foreach (SdkMeshRawAnimData rawData in rawFrame.AnimationKeys)
{
var key = new SdkMeshAnimationKey(rawData);
this.AnimationKeys.Add(key);
}
}
internal static SdkMeshRawAnimFrameData Read(BinaryReader reader)
{
var frame = new SdkMeshRawAnimFrameData
{
FrameName = Encoding.UTF8.GetString(reader.ReadBytes(MaxFrameName).TakeWhile(t => t != 0).ToArray())
};
reader.ReadInt32();
frame.DataOffset = reader.ReadInt64();
return(frame);
}
public static SdkMeshRawAnimFile FromStream(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
var file = new SdkMeshRawAnimFile();
using (var reader = new BinaryReader(stream, Encoding.UTF8, true))
{
file.Header = SdkMeshRawAnimHeader.Read(reader);
if (file.Header.Version != FileVersion)
{
throw new InvalidDataException();
}
if (stream.Position != file.Header.AnimationDataOffset)
{
throw new InvalidDataException();
}
stream.Seek(file.Header.AnimationDataOffset, SeekOrigin.Begin);
for (int frameIndex = 0; frameIndex < file.Header.NumFrames; frameIndex++)
{
SdkMeshRawAnimFrameData frame = SdkMeshRawAnimFrameData.Read(reader);
file.AnimationFrames.Add(frame);
}
foreach (SdkMeshRawAnimFrameData frame in file.AnimationFrames)
{
if (stream.Position != file.Header.AnimationDataOffset + frame.DataOffset)
{
throw new InvalidDataException();
}
stream.Seek(file.Header.AnimationDataOffset + frame.DataOffset, SeekOrigin.Begin);
for (int keyIndex = 0; keyIndex < file.Header.NumAnimationKeys; keyIndex++)
{
SdkMeshRawAnimData data = SdkMeshRawAnimData.Read(reader);
frame.AnimationKeys.Add(data);
}
}
if (stream.Position != file.Header.AnimationDataOffset + file.Header.AnimationDataSize)
{
throw new InvalidDataException();
}
}
return(file);
}
