/************************************************************************************************************************/
private AnimationClip GetTargetClip(out AnimationType type)
{
var clip = (AnimationClip)target;
type = AnimationBindings.GetAnimationType(clip);
return(clip);
}
/************************************************************************************************************************/
private static ObjectReferenceKeyframe[] GetSpriteReferences(AnimationClip clip)
{
var bindings = AnimationBindings.GetBindings(clip);
for (int i = 0; i < bindings.Length; i++)
{
var binding = bindings[i];
if (binding.path == "" &&
binding.type == typeof(SpriteRenderer) &&
binding.propertyName == "m_Sprite")
{
return(AnimationUtility.GetObjectReferenceCurve(clip, binding));
}
}
return(null);
}
/************************************************************************************************************************/
private static Transform TrySelectBestModel(HashSet<AnimationClip> clips, List<GameObject> models)
{
var animatableBindings = new HashSet<EditorCurveBinding>[models.Count];
for (int i = 0; i < models.Count; i++)
{
animatableBindings[i] = AnimationBindings.GetBindings(models[i]).ObjectBindings;
}
var bestMatchIndex = -1;
var bestMatchCount = 0;
foreach (var clip in clips)
{
var clipBindings = AnimationBindings.GetBindings(clip);
for (int iModel = animatableBindings.Length - 1; iModel >= 0; iModel--)
{
var modelBindings = animatableBindings[iModel];
var matches = 0;
for (int iBinding = 0; iBinding < clipBindings.Length; iBinding++)
{
if (modelBindings.Contains(clipBindings[iBinding]))
matches++;
}
if (bestMatchCount < matches && matches > clipBindings.Length / 2)
{
bestMatchCount = matches;
bestMatchIndex = iModel;
// If it matches all bindings, use it.
if (bestMatchCount == clipBindings.Length)
goto FoundBestMatch;
}
}
}
FoundBestMatch:
if (bestMatchIndex >= 0)
return models[bestMatchIndex].transform;
else
return null;
}
/************************************************************************************************************************/
/// <summary>
/// Tries to choose the most appropriate model to use based on the properties animated by the target
/// <see cref="Transition"/>.
/// </summary>
public static Transform TrySelectBestModel()
{
var transition = Transition;
if (transition == null)
return null;
using (ObjectPool.Disposable.AcquireSet<AnimationClip>(out var clips))
{
clips.GatherFromSource(transition);
if (clips.Count == 0)
return null;
var model = TrySelectBestModel(clips, TemporarySettings.PreviewModels);
if (model != null)
return model;
model = TrySelectBestModel(clips, Models);
if (model != null)
return model;
foreach (var clip in clips)
{
var type = AnimationBindings.GetAnimationType(clip);
switch (type)
{
case AnimationType.Humanoid:
return DefaultHumanoid.transform;
case AnimationType.Sprite:
return DefaultSprite.transform;
}
}
return null;
}
}
/************************************************************************************************************************/
/// <summary>Gathers the bindings from the <see cref="AnimationModifierPanel.Animation"/>.</summary>
private void GatherBindings()
{
if (!_OldBindingPathsAreDirty)
{
return;
}
_OldBindingPathsAreDirty = false;
BindingGroups.Clear();
OldBindingPaths.Clear();
if (Animation == null)
{
_NewBindingPaths.Clear();
return;
}
var isHumanoid = Animation.humanMotion;
AnimationBindings.OnAnimationChanged(Animation);
var bindings = AnimationBindings.GetBindings(Animation);
Array.Sort(bindings, (a, b) =>
{
var result = EditorUtility.NaturalCompare(a.path, b.path);
if (result != 0)
{
return(result);
}
return(EditorUtility.NaturalCompare(a.propertyName, b.propertyName));
});
string previousPath = null;
List <EditorCurveBinding> previousGroup = null;
for (int i = 0; i < bindings.Length; i++)
{
var binding = bindings[i];
if (isHumanoid &&
string.IsNullOrEmpty(binding.path) &&
IsHumanoidBinding(binding.propertyName))
{
continue;
}
var path = binding.path;
if (path == previousPath)
{
previousGroup.Add(binding);
continue;
}
previousPath = path;
previousGroup = new List <EditorCurveBinding> {
binding
};
BindingGroups.Add(previousGroup);
OldBindingPaths.Add(path);
if (_NewBindingPaths.Count < OldBindingPaths.Count)
{
_NewBindingPaths.Add(path);
}
}
if (_NewBindingPaths.Count > OldBindingPaths.Count)
{
_NewBindingPaths.RemoveRange(OldBindingPaths.Count, _NewBindingPaths.Count - OldBindingPaths.Count);
}
}