public static byte[] GetBytes(AnimationFile input)
{
using (MemoryStream memoryStream = new MemoryStream())
{
using (BinaryWriter writer = new BinaryWriter(memoryStream))
{
// Header
writer.Write(input.Header.AnimationType); // Animtype
writer.Write((uint)1); // Uknown_always 1
writer.Write(input.Header.FrameRate); // Framerate
writer.Write((short)input.Header.SkeletonName.Length); // SkeletonNAme length
for (int i = 0; i < input.Header.SkeletonName.Length; i++) // SkeletonNAme
{
writer.Write(input.Header.SkeletonName[i]);
}
writer.Write((uint)0); // Uknown_always 0
if (input.Header.AnimationType == 7)
{
writer.Write(input.Header.AnimationTotalPlayTimeInSec);
}
//Body - Bones
writer.Write((uint)input.Bones.Length);
foreach (var bone in input.Bones)
{
writer.Write((short)bone.Name.Length);
for (int i = 0; i < bone.Name.Length; i++)
{
writer.Write(bone.Name[i]);
}
writer.Write(bone.ParentId);
}
// Body - remapping
for (int i = 0; i < input.TranslationMappings.Count; i++)
{
writer.Write(input.TranslationMappings[i].FileWriteValue);
}
for (int i = 0; i < input.TranslationMappings.Count; i++)
{
writer.Write(input.RotationMappings[i].FileWriteValue);
}
// Static frame
if (input.Header.AnimationType == 7)
{
if (input.StaticFrame != null)
{
writer.Write((uint)input.StaticFrame.Transforms.Count()); //staticPosCount
writer.Write((uint)input.StaticFrame.Quaternion.Count()); //staticRotCount
WriteFrame(writer, input.StaticFrame);
}
else
{
writer.Write((uint)0); //staticPosCount
writer.Write((uint)0); //staticRotCount
}
}
// Dyamic frame
if (input.DynamicFrames.Any())
{
writer.Write(input.DynamicFrames.First().Transforms.Count()); // animPosCount
writer.Write(input.DynamicFrames.First().Quaternion.Count()); // animRotCount
writer.Write(input.DynamicFrames.Count()); // Frame count
for (int i = 0; i < input.DynamicFrames.Count(); i++)
{
WriteFrame(writer, input.DynamicFrames[i]);
}
}
else
{
writer.Write((int)0); // animPosCount
writer.Write((int)0); // animRotCount
writer.Write((int)3); // Frame count, why 3 when empty?
}
return(memoryStream.ToArray());
}
}
}
public static AnimationFile Create(ByteChunk chunk)
{
if (chunk.BytesLeft == 0)
{
throw new Exception("Trying to load animation with no data, chunk size = 0");
}
var output = new AnimationFile();
chunk.Reset();
output.Header = GetAnimationHeader(chunk);
var boneCount = chunk.ReadUInt32();
output.Bones = new BoneInfo[boneCount];
for (int i = 0; i < boneCount; i++)
{
var boneNameSize = chunk.ReadShort();
output.Bones[i] = new BoneInfo()
{
Name = chunk.ReadFixedLength(boneNameSize),
ParentId = chunk.ReadInt32(),
Id = i
};
}
// Remapping tables, not sure how they really should be used, but this works.
for (int i = 0; i < boneCount; i++)
{
int mappingValue = chunk.ReadInt32();
output.TranslationMappings.Add(new AnimationBoneMapping(mappingValue));
}
for (int i = 0; i < boneCount; i++)
{
int mappingValue = chunk.ReadInt32();
output.RotationMappings.Add(new AnimationBoneMapping(mappingValue));
}
// A single static frame - Can be inverse, a pose or empty. Not sure? Hand animations are stored here
if (output.Header.AnimationType == 7)
{
var staticPosCount = chunk.ReadUInt32();
var staticRotCount = chunk.ReadUInt32();
if (staticPosCount != 0 || staticRotCount != 0)
{
output.StaticFrame = ReadFrame(chunk, staticPosCount, staticRotCount);
}
}
// Animation Data
var animPosCount = chunk.ReadInt32();
var animRotCount = chunk.ReadInt32();
var frameCount = chunk.ReadInt32(); // Always 3 when there is no data? Why?
if (animPosCount != 0 || animRotCount != 0)
{
for (int i = 0; i < frameCount; i++)
{
var frame = ReadFrame(chunk, (uint)animPosCount, (uint)animRotCount);
output.DynamicFrames.Add(frame);
}
}
// ----------------------
return(output);
}
