/** @return May be null. */
public IkConstraint FindIkConstraint(String constraintName)
{
if (constraintName == null)
{
throw new ArgumentNullException("constraintName cannot be null.");
}
ExposedList <IkConstraint> ikConstraints = this.ikConstraints;
for (int i = 0, n = ikConstraints.Count; i < n; i++)
{
IkConstraint ikConstraint = ikConstraints.Items[i];
if (ikConstraint.data.name == constraintName)
{
return(ikConstraint);
}
}
return(null);
}
/// <summary>Caches information about bones and constraints. Must be called if bones or constraints are added
/// or removed.</summary>
public void UpdateCache()
{
ExposedList <Bone> bones = this.bones;
ExposedList <IUpdatable> updateCache = this.updateCache;
ExposedList <IkConstraint> ikConstraints = this.ikConstraints;
ExposedList <TransformConstraint> transformConstraints = this.transformConstraints;
int ikConstraintsCount = ikConstraints.Count;
int transformConstraintsCount = transformConstraints.Count;
updateCache.Clear();
for (int i = 0, n = bones.Count; i < n; i++)
{
Bone bone = bones.Items[i];
updateCache.Add(bone);
for (int ii = 0; ii < ikConstraintsCount; ii++)
{
IkConstraint ikConstraint = ikConstraints.Items[ii];
if (bone == ikConstraint.bones.Items[ikConstraint.bones.Count - 1])
{
updateCache.Add(ikConstraint);
break;
}
}
}
for (int i = 0; i < transformConstraintsCount; i++)
{
TransformConstraint transformConstraint = transformConstraints.Items[i];
for (int ii = updateCache.Count - 1; i >= 0; ii--)
{
IUpdatable updateable = updateCache.Items[ii];
if (updateable == transformConstraint.bone || updateable == transformConstraint.target)
{
updateCache.Insert(ii + 1, transformConstraint);
break;
}
}
}
}