/// <summary>
/// Try to make a simple controller of animation from inst named "name". If that's
/// not found, try "backup". Will return null if neither is found.
/// </summary>
/// <param name="inst"></param>
/// <param name="name"></param>
/// <param name="backup"></param>
/// <returns></returns>
public static SimpleController TryMake(AnimationInstance inst, string name, string backup)
{
Animation anim = inst.FindAnimation(name);
if ((anim == null) && (backup != null))
{
anim = inst.FindAnimation(backup);
}
return(anim != null ? new SimpleController(inst, anim) : null);
}
/// <summary>
/// Compute the localToParent values we know about, leaving the rest alone.
/// localToParent has already been populated with default values.
/// </summary>
/// <param name="inst"></param>
/// <param name="localToParent"></param>
internal override void GetTransforms(AnimationInstance inst, Matrix[] localToParent)
{
Animation animation = inst.FindAnimation(animName);
Debug.Assert(Weight > 0);
if (animation != null)
{
BoneKeys[] keyList = animation.KeysList;
int keyIdx = keyList[0].IndexAtTime(CurrentTicks);
for (int i = 0; i < keyList.Length; ++i)
{
int boneIdx = animation.KeyIndexToBoneIndex(i);
localToParent[boneIdx] = keyList[i].AtIndex(keyIdx);
}
}
}
