//public List<Constraint> Constrains = new List<Constraint>();
//public List<Joint> Joints = new List<Joint>();
//public Dictionary<Bone, IBroadphaseEntity> Parts = new Dictionary<Bone, IBroadphaseEntity>();
//public void AddToWorld(World world)
//{
// foreach (IBroadphaseEntity body in Parts.Values)
// {
// if (body.GetType() == typeof(RigidBody))
// {
// world.AddBody(body as RigidBody);
// }
// else if (body.GetType() == typeof(SoftBody))
// {
// world.AddBody(body as SoftBody);
// }
// }
// foreach (Constraint c in Constrains)
// {
// world.AddConstraint(c);
// }
//}
public Matrix GetTransforms(Bone b)
{
//if (Parts.ContainsKey(b))
//return b.InverseBindPose * JConvert.ToDXMatrix((Parts[b] as RigidBody).Orientation) * Matrix.Translation(JConvert.ToDXVector((Parts[b] as RigidBody).Position));
//else
return Matrix.Identity;
}
public Keyframe(Bone bone, float time, Matrix output, InterpolationType interpolation)
{
Bone = bone;
Time = time;
Transform = output;
Interpolation = interpolation;
Transform.Decompose(out Scale, out Rotation, out Translation);
}
/// <summary>
/// Constructs a new skinned mesh primitive, with given vertices and indices
/// </summary>
/// <param name="device">Device to create primitive with.</param>
/// <param name="VerticesArray">An array of vertices</param>
/// <param name="IndicesArray">An array of indices</param>
public SkinnedMeshPrimitive(Renderer Renderer, Vertex[] VerticesArray, int[] IndicesArray, Bone[] Bones)
{
this.Renderer = Renderer;
this.CollisionShape = new EmptyShape();
this.AnimationClips = new List<AnimationClip>();
this.Bones = new List<Bone>();
this.BonesSID = new Dictionary<string, Bone>();
List<Vector3> vertices = new List<Vector3>();
List<int> triIndex = new List<int>();
foreach (Vertex v in VerticesArray)
{
GeometryData.AddVertex(v);
}
for (int i = 0; i < IndicesArray.Length; i++)
{
GeometryData.AddIndex(IndicesArray[i]);
}
foreach (Bone b in Bones)
{
this.Bones.Add(b);
BonesSID.Add(b.Name, b);
}
BufferDescription BBDesc = new BufferDescription()
{
Usage = ResourceUsage.Dynamic,
BindFlags = BindFlags.ConstantBuffer,
CpuAccessFlags = CpuAccessFlags.Write,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = MaxBones * (sizeof(float) * 4 * 4),
StructureByteStride = 0,
};
BoneBuffer = new Buffer(Renderer.Device, BBDesc);
InitializePrimitive();
}
public Matrix GetTransformsByTime(Bone bone, float time)
{
if (!KeyframesT.ContainsKey(bone))
return Matrix.Identity;
float closestPrev = 0;
float closestNext = float.MaxValue;
Keyframe kPrev = null;
Keyframe kNext = null;
foreach (Keyframe k in KeyframesT[bone])
{
if (k.Time < time)
{
if (k.Time >= closestPrev)
{
closestPrev = k.Time;
kPrev = k;
}
}
if (k.Time > time)
{
if (k.Time < closestNext)
{
closestNext = k.Time;
kNext = k;
}
}
}
float weight = (float)Interpolation.Linear((double)closestPrev, (double)closestNext, (double)time);
if (kPrev == null)
{
return Matrix.Identity;
}
else if (kNext == null)
{
return Matrix.Identity;
}
else
{
Quaternion Rotation = Quaternion.Lerp(kPrev.Rotation, kNext.Rotation, weight);
Vector3 Translation = Vector3.Lerp(kPrev.Translation, kNext.Translation, weight);
bone.Position = Translation;
return Matrix.RotationQuaternion(Rotation) * Matrix.Translation(Translation);
}
}
