public static AnimationFile ExtractPartOfSkeleton(GameSkeleton skeleton, string skeletonName, int[] bones)
{
// Header
var animFile = new AnimationFile();
animFile.Header.SkeletonName = skeletonName;
animFile.Header.AnimationTotalPlayTimeInSec = 0.1f;
animFile.Bones = new AnimationFile.BoneInfo[bones.Length];
CreateBoneTable(skeleton, bones, ref animFile);
// Create the keyframe
animFile.DynamicFrames = new List <AnimationFile.Frame>();
var frame = new AnimationFile.Frame();
animFile.DynamicFrames.Add(frame);
// Populate the keyframe
for (int i = 0; i < bones.Length; i++)
{
var originalBoneIndex = bones[i];
if (i == 0)
{
var worldTrans = skeleton.GetWorldTransform(originalBoneIndex);
var res = worldTrans.Decompose(out Vector3 scale, out var rot, out var trans);
frame.Transforms.Add(new RmvVector3(trans.X, trans.Y, trans.Z));
frame.Quaternion.Add(new RmvVector4(rot.X, rot.Y, rot.Z, rot.W));
}
else
{
var trans = skeleton.Translation[originalBoneIndex];
var rot = skeleton.Rotation[originalBoneIndex];
frame.Transforms.Add(new RmvVector3(trans.X, trans.Y, trans.Z));
frame.Quaternion.Add(new RmvVector4(rot.X, rot.Y, rot.Z, rot.W));
}
}
return(animFile);
//var sample = AnimationSampler.Sample(0, 0, skeleton, new List<AnimationClip>() { animation }, true, true);
}
public static AnimationFrame Sample(int frameIndex, float frameIterpolation, GameSkeleton skeleton, List <AnimationClip> animationClips)
{
try
{
if (skeleton == null)
{
return(null);
}
var currentFrame = skeleton.CreateAnimationFrame();
if (animationClips != null)
{
foreach (var animation in animationClips)
{
ApplyAnimation(animation.StaticFrame, null, 0, currentFrame, animation.RotationMappings, animation.TranslationMappings, AnimationBoneMappingType.Static);
}
if (animationClips.Any())
{
if (animationClips[0].DynamicFrames.Count > frameIndex)
{
var currentFrameKeys = GetKeyFrameFromIndex(animationClips[0].DynamicFrames, frameIndex);
var nextFrameKeys = GetKeyFrameFromIndex(animationClips[0].DynamicFrames, frameIndex + 1);
ApplyAnimation(currentFrameKeys, nextFrameKeys, frameIterpolation, currentFrame, animationClips[0].RotationMappings, animationClips[0].TranslationMappings, AnimationBoneMappingType.Dynamic);
// Apply skeleton scale
for (int i = 0; i < currentFrame.BoneTransforms.Count(); i++)
{
currentFrame.BoneTransforms[i].Scale = animationClips[0].DynamicFrames[0].Scale[i];
}
}
}
}
for (int i = 0; i < currentFrame.BoneTransforms.Count(); i++)
{
Quaternion rotation = currentFrame.BoneTransforms[i].Rotation;
Vector3 translation = currentFrame.BoneTransforms[i].Translation;
currentFrame.BoneTransforms[i].WorldTransform =
Matrix.CreateScale(currentFrame.BoneTransforms[i].Scale) *
Matrix.CreateFromQuaternion(rotation) *
Matrix.CreateTranslation(translation);
var parentindex = currentFrame.BoneTransforms[i].ParentBoneIndex;
if (parentindex == -1)
{
//var scale = Matrix.CreateScale(0.1f);
//currentFrame.BoneTransforms[i].WorldTransform = (scale * currentFrame.BoneTransforms[i].WorldTransform);
continue;
}
currentFrame.BoneTransforms[i].WorldTransform = currentFrame.BoneTransforms[i].WorldTransform * currentFrame.BoneTransforms[parentindex].WorldTransform;
}
for (int i = 0; i < skeleton.BoneCount; i++)
{
var inv = Matrix.Invert(skeleton.GetWorldTransform(i));
currentFrame.BoneTransforms[i].WorldTransform = Matrix.Multiply(inv, currentFrame.BoneTransforms[i].WorldTransform);
}
return(currentFrame);
}
catch (Exception e)
{
ILogger logger = Logging.Create <AnimationSampler>();
logger.Error(e.Message);
throw;
}
}
public Matrix GetSkeletonAnimatedWorld(GameSkeleton gameSkeleton, int boneIndex)
{
Matrix output = gameSkeleton.GetWorldTransform(boneIndex) * BoneTransforms[boneIndex].WorldTransform;
return(output);
}