/************************************************************************************************************************/
/// <summary>Re-scales the <see cref="AnimancerNode.Weight"/> of all children to add up to 1.</summary>
public static void NormalizeChildWeights(this IPlayableWrapper parent)
{
var totalWeight = 0f;
var childCount = parent.ChildCount;
for (int i = 0; i < childCount; i++)
{
var child = parent.GetChild(i);
if (child.IsValid())
{
totalWeight += child.Weight;
}
}
if (totalWeight == 0 || // Can't normalize.
Mathf.Approximately(totalWeight, 1)) // Already normalized.
{
return;
}
totalWeight = 1f / totalWeight;
for (int i = 0; i < childCount; i++)
{
var child = parent.GetChild(i);
if (child.IsValid())
{
child.Weight *= totalWeight;
}
}
}
/************************************************************************************************************************/
/// <summary>
/// Adds functions to show and set <see cref="IPlayableWrapper.ApplyAnimatorIK"/> and
/// <see cref="IPlayableWrapper.ApplyFootIK"/>.
/// </summary>
public static void AddContextMenuIK(UnityEditor.GenericMenu menu, IPlayableWrapper ik)
{
menu.AddItem(new GUIContent("Inverse Kinematics/Apply Animator IK ?"),
ik.ApplyAnimatorIK,
() => ik.ApplyAnimatorIK = !ik.ApplyAnimatorIK);
menu.AddItem(new GUIContent("Inverse Kinematics/Apply Foot IK ?"),
ik.ApplyFootIK,
() => ik.ApplyFootIK = !ik.ApplyFootIK);
}
/************************************************************************************************************************/
private void ApplyConnectedState(IPlayableWrapper parent)
{
#if UNITY_ASSERTIONS
if (Index < 0)
{
throw new InvalidOperationException("Invalid AnimancerNode.Index when attempting to connect to its parent:" +
"\n Node: " + this +
"\n Parent: " + parent);
}
#endif
_IsWeightDirty = true;
if (_Weight != 0 || parent.KeepChildrenConnected)
{
ConnectToGraph();
}
else
{
Root.RequireUpdate(this);
}
}
