/// <summary>
/// Filters the animation to the specified sub-trees given by <see cref="roots"/>.
/// </summary>
/// <param name="nodes">The node hierarchy.</param>
/// <param name="roots">The node roots of sub-trees that should be active (others will be filtered out).</param>
public void FilterNodes(ModelNodeDefinition[] nodes, params string[] roots)
{
// Initialize list of factors (matching nodes list)
var nodeFactors = new float[nodes.Length];
for (int index = 0; index < nodes.Length; index++)
{
var node = nodes[index];
if (roots.Contains(node.Name)
|| (node.ParentIndex != -1 && nodeFactors[node.ParentIndex] == 1.0f))
{
nodeFactors[index] = 1.0f;
}
}
//Make sure Evaluator is populated
//TODO this is not optimal, but since evaluators are being pooled there is no other safe way
if (Evaluator == null)
{
Evaluator = AnimationComponent.Blender.CreateEvaluator(Clip);
}
// Update animation channel factors
var blenderChannels = Evaluator.BlenderChannels;
var channels = Evaluator.Channels.Items;
for (int index = 0; index < blenderChannels.Count; index++)
{
var blenderChannel = blenderChannels[index];
// Find node index
var nodeName = MeshAnimationUpdater.GetNodeName(blenderChannel.PropertyName);
var nodeIndex = nodes.IndexOf(x => x.Name == nodeName);
if (nodeIndex != -1)
{
// Update factor
channels[index].Factor *= nodeFactors[nodeIndex];
}
}
}
/// <summary>
/// Filters the animation to the specified sub-trees given by <see cref="roots"/>.
/// </summary>
/// <param name="nodes">The node hierarchy.</param>
/// <param name="roots">The node roots of sub-trees that should be active (others will be filtered out).</param>
public void FilterNodes(ModelNodeDefinition[] nodes, params string[] roots)
{
// Initialize list of factors (matching nodes list)
var nodeFactors = new float[nodes.Length];
for (int index = 0; index < nodes.Length; index++)
{
var node = nodes[index];
if (roots.Contains(node.Name)
|| (node.ParentIndex != -1 && nodeFactors[node.ParentIndex] == 1.0f))
{
nodeFactors[index] = 1.0f;
}
}
// Update animation channel factors
var blenderChannels = Evaluator.BlenderChannels;
var channels = Evaluator.Channels.Items;
for (int index = 0; index < blenderChannels.Count; index++)
{
var blenderChannel = blenderChannels[index];
// Find node index
var nodeName = MeshAnimationUpdater.GetNodeName(blenderChannel.PropertyName);
var nodeIndex = nodes.IndexOf(x => x.Name == nodeName);
if (nodeIndex != -1)
{
// Update factor
channels[index].Factor *= nodeFactors[nodeIndex];
}
}
}