public void UpdateMatrix(uint time, int animation, out Matrix matrix,
M2Animator animator, BillboardParameters billboard)
{
var boneMatrix = Matrix.Identity;
if (IsBillboarded && billboard != null)
{
var billboardMatrix = Matrix.Identity;
billboardMatrix.Row1 = new Vector4(billboard.Forward, 0);
billboardMatrix.Row2 = new Vector4(billboard.Right, 0);
billboardMatrix.Row3 = new Vector4(billboard.Up, 0);
boneMatrix = billboardMatrix * billboard.InverseRotation;
}
if (IsTransformed)
{
var position = mTranslation.GetValue(animation, time, animator.AnimationLength);
var scaling = mScaling.GetValue(animation, time, animator.AnimationLength);
var rotation = mRotation.GetValue(animation, time, animator.AnimationLength);
boneMatrix *= Matrix.RotationQuaternion(rotation) * Matrix.Scaling(scaling) * Matrix.Translation(position);
}
boneMatrix = mInvPivot * boneMatrix * mPivot;
if (mBone.parentBone >= 0)
{
boneMatrix *= animator.GetBoneMatrix(time, mBone.parentBone, billboard);
}
matrix = boneMatrix;
}
public void UpdateMatrix(uint time, int animation, out Matrix matrix, M2Animator animator)
{
var position = mTranslation.GetValue(animation, time, animator.AnimationLength);
var scaling = mScaling.GetValue(animation, time, animator.AnimationLength);
var rotation = mRotation.GetValue(animation, time, animator.AnimationLength);
var boneMatrix = Matrix.RotationQuaternion(rotation) *
Matrix.Scaling(scaling) * Matrix.Translation(position);
var billboard = (Bone.flags & 0x08) != 0;
if (billboard)
{
// Should really get this from somewhere else...
var camera = WorldFrame.Instance.ActiveCamera;
boneMatrix.M11 = camera.Forward.X;
boneMatrix.M12 = camera.Forward.Y;
boneMatrix.M13 = camera.Forward.Z;
boneMatrix.M21 = camera.Right.X;
boneMatrix.M22 = camera.Right.Y;
boneMatrix.M23 = camera.Right.Z;
boneMatrix.M31 = camera.Up.X;
boneMatrix.M32 = camera.Up.Y;
boneMatrix.M33 = camera.Up.Z;
// TODO: Must not rotate this bone with the
// instance matrix in case billboarding was applied
}
boneMatrix = mInvPivot * boneMatrix * mPivot;
if (Bone.parentBone >= 0)
{
boneMatrix *= animator.GetBoneMatrix(time, Bone.parentBone);
}
matrix = boneMatrix;
}