void FindMixers()
{
m_Mixers.Clear();
m_PoseMixer = AnimationLayerMixerPlayable.Null;
m_LayerMixer = AnimationLayerMixerPlayable.Null;
m_MotionXPlayable = AnimationMotionXToDeltaPlayable.Null;
var playable = m_Output.GetSourcePlayable();
var outputPort = m_Output.GetSourceOutputPort();
if (!playable.IsValid() || outputPort < 0 || outputPort >= playable.GetInputCount())
{
return;
}
var mixer = FindFirstAnimationPlayable(playable.GetInput(outputPort));
Playable motionXPlayable = mixer;
if (motionXPlayable.IsPlayableOfType <AnimationMotionXToDeltaPlayable>())
{
m_MotionXPlayable = (AnimationMotionXToDeltaPlayable)motionXPlayable;
mixer = m_MotionXPlayable.GetInput(0);
}
#if UNITY_EDITOR
// Default pose mixer
if (!Application.isPlaying)
{
if (mixer.IsValid() && mixer.IsPlayableOfType <AnimationLayerMixerPlayable>())
{
m_PoseMixer = (AnimationLayerMixerPlayable)mixer;
mixer = m_PoseMixer.GetInput(1);
}
}
#endif
// Track mixer
if (mixer.IsValid() && mixer.IsPlayableOfType <AnimationLayerMixerPlayable>())
{
m_LayerMixer = (AnimationLayerMixerPlayable)mixer;
}
if (!m_LayerMixer.IsValid())
{
return;
}
var count = m_LayerMixer.GetInputCount();
for (var i = 0; i < count; i++)
{
FindMixers(m_LayerMixer, i, m_LayerMixer.GetInput(i));
}
}
void FindMixers()
{
m_Mixers.Clear();
m_PoseMixer = AnimationMixerPlayable.Null;
m_LayerMixer = AnimationLayerMixerPlayable.Null;
m_MotionXPlayable = AnimationMotionXToDeltaPlayable.Null;
var playable = m_Output.GetSourcePlayable();
var outputPort = m_Output.GetSourceOutputPort();
if (!playable.IsValid() || outputPort < 0 || outputPort >= playable.GetInputCount())
{
return;
}
var mixer = FindFirstAnimationPlayable(playable.GetInput(outputPort));
Playable motionXPlayable = mixer;
if (motionXPlayable.IsPlayableOfType <AnimationMotionXToDeltaPlayable>())
{
m_MotionXPlayable = (AnimationMotionXToDeltaPlayable)motionXPlayable;
mixer = m_MotionXPlayable.GetInput(0);
}
if (mixer.IsValid() && mixer.IsPlayableOfType <AnimationMixerPlayable>())
{
m_PoseMixer = (AnimationMixerPlayable)mixer;
Playable layerMixer = m_PoseMixer.GetInput(0);
if (layerMixer.IsValid() && layerMixer.IsPlayableOfType <AnimationLayerMixerPlayable>())
{
m_LayerMixer = (AnimationLayerMixerPlayable)layerMixer;
}
}
else if (mixer.IsValid() && mixer.IsPlayableOfType <AnimationLayerMixerPlayable>())
{
m_LayerMixer = (AnimationLayerMixerPlayable)mixer;
}
if (!m_LayerMixer.IsValid())
{
return;
}
var count = m_LayerMixer.GetInputCount();
for (var i = 0; i < count; i++)
{
FindMixers(m_LayerMixer, i, m_LayerMixer.GetInput(i));
}
}
internal override Playable OnCreatePlayableGraph(PlayableGraph graph, GameObject go, IntervalTree <RuntimeElement> tree)
{
if (base.isSubTrack)
{
throw new InvalidOperationException("Nested animation tracks should never be asked to create a graph directly");
}
List <AnimationTrack> list = new List <AnimationTrack>();
if (this.compilableIsolated)
{
list.Add(this);
}
foreach (TrackAsset trackAsset in base.GetChildTracks())
{
AnimationTrack animationTrack = trackAsset as AnimationTrack;
if (animationTrack != null && animationTrack.compilable)
{
list.Add(animationTrack);
}
}
AnimationMotionXToDeltaPlayable animationMotionXToDeltaPlayable = AnimationMotionXToDeltaPlayable.Create(graph);
AnimationLayerMixerPlayable animationLayerMixerPlayable = AnimationTrack.CreateGroupMixer(graph, go, list.Count);
graph.Connect <AnimationLayerMixerPlayable, AnimationMotionXToDeltaPlayable>(animationLayerMixerPlayable, 0, animationMotionXToDeltaPlayable, 0);
animationMotionXToDeltaPlayable.SetInputWeight(0, 1f);
for (int i = 0; i < list.Count; i++)
{
Playable source = (!list[i].inClipMode) ? list[i].CreateInfiniteTrackPlayable(graph, go, tree) : this.CompileTrackPlayable(graph, list[i], go, tree);
graph.Connect <Playable, AnimationLayerMixerPlayable>(source, 0, animationLayerMixerPlayable, i);
animationLayerMixerPlayable.SetInputWeight(i, (float)((!list[i].inClipMode) ? 1 : 0));
if (list[i].applyAvatarMask && list[i].avatarMask != null)
{
animationLayerMixerPlayable.SetLayerMaskFromAvatarMask((uint)i, list[i].avatarMask);
}
}
return(animationMotionXToDeltaPlayable);
}
internal override Playable OnCreateClipPlayableGraph(PlayableGraph graph, GameObject go, IntervalTree <RuntimeElement> tree)
{
if (isSubTrack)
{
throw new InvalidOperationException("Nested animation tracks should never be asked to create a graph directly");
}
List <AnimationTrack> flattenTracks = new List <AnimationTrack>();
if (CanCompileClips())
{
flattenTracks.Add(this);
}
var genericRoot = GetGenericRootNode(go);
var animatesRootTransformNoMask = AnimatesRootTransform();
var animatesRootTransform = animatesRootTransformNoMask && !IsRootTransformDisabledByMask(go, genericRoot);
foreach (var subTrack in GetChildTracks())
{
var child = subTrack as AnimationTrack;
if (child != null && child.CanCompileClips())
{
var childAnimatesRoot = child.AnimatesRootTransform();
animatesRootTransformNoMask |= child.AnimatesRootTransform();
animatesRootTransform |= (childAnimatesRoot && !child.IsRootTransformDisabledByMask(go, genericRoot));
flattenTracks.Add(child);
}
}
// figure out which mode to apply
AppliedOffsetMode mode = GetOffsetMode(go, animatesRootTransform);
int defaultBlendCount = GetDefaultBlendCount();
var layerMixer = CreateGroupMixer(graph, go, flattenTracks.Count + defaultBlendCount);
for (int c = 0; c < flattenTracks.Count; c++)
{
int blendIndex = c + defaultBlendCount;
// if the child is masking the root transform, compile it as if we are non-root mode
var childMode = mode;
if (mode != AppliedOffsetMode.NoRootTransform && flattenTracks[c].IsRootTransformDisabledByMask(go, genericRoot))
{
childMode = AppliedOffsetMode.NoRootTransform;
}
var compiledTrackPlayable = flattenTracks[c].inClipMode ?
CompileTrackPlayable(graph, flattenTracks[c], go, tree, childMode) :
flattenTracks[c].CreateInfiniteTrackPlayable(graph, go, tree, childMode);
graph.Connect(compiledTrackPlayable, 0, layerMixer, blendIndex);
layerMixer.SetInputWeight(blendIndex, flattenTracks[c].inClipMode ? 0 : 1);
if (flattenTracks[c].applyAvatarMask && flattenTracks[c].avatarMask != null)
{
layerMixer.SetLayerMaskFromAvatarMask((uint)blendIndex, flattenTracks[c].avatarMask);
}
}
var requiresMotionXPlayable = RequiresMotionXPlayable(mode, go);
// In the editor, we may require the motion X playable if we are animating the root transform but it is masked out, because the default poses
// need to properly update root motion
requiresMotionXPlayable |= (defaultBlendCount > 0 && RequiresMotionXPlayable(GetOffsetMode(go, animatesRootTransformNoMask), go));
// Attach the default poses
AttachDefaultBlend(graph, layerMixer, requiresMotionXPlayable);
// motionX playable not required in scene offset mode, or root transform mode
Playable mixer = layerMixer;
if (requiresMotionXPlayable)
{
// If we are animating a root transform, add the motionX to delta playable as the root node
var motionXToDelta = AnimationMotionXToDeltaPlayable.Create(graph);
graph.Connect(mixer, 0, motionXToDelta, 0);
motionXToDelta.SetInputWeight(0, 1.0f);
motionXToDelta.SetAbsoluteMotion(UsesAbsoluteMotion(mode));
mixer = (Playable)motionXToDelta;
}
#if UNITY_EDITOR
if (!Application.isPlaying)
{
var animator = GetBinding(go != null ? go.GetComponent <PlayableDirector>() : null);
if (animator != null)
{
GameObject targetGO = animator.gameObject;
IAnimationWindowPreview[] previewComponents = targetGO.GetComponents <IAnimationWindowPreview>();
m_HasPreviewComponents = previewComponents.Length > 0;
if (m_HasPreviewComponents)
{
foreach (var component in previewComponents)
{
mixer = component.BuildPreviewGraph(graph, mixer);
}
}
}
}
#endif
return(mixer);
}
internal override Playable OnCreateClipPlayableGraph(PlayableGraph graph, GameObject go, IntervalTree <RuntimeElement> tree)
{
if (isSubTrack)
{
throw new InvalidOperationException("Nested animation tracks should never be asked to create a graph directly");
}
List <AnimationTrack> flattenTracks = new List <AnimationTrack>();
if (CanCompileClips())
{
flattenTracks.Add(this);
}
bool animatesRootTransform = AnimatesRootTransform();
foreach (var subTrack in GetChildTracks())
{
var child = subTrack as AnimationTrack;
if (child != null && child.CanCompileClips())
{
animatesRootTransform |= child.AnimatesRootTransform();
flattenTracks.Add(child);
}
}
// figure out which mode to apply
AppliedOffsetMode mode = GetOffsetMode(go, animatesRootTransform);
var layerMixer = CreateGroupMixer(graph, go, flattenTracks.Count);
for (int c = 0; c < flattenTracks.Count; c++)
{
var compiledTrackPlayable = flattenTracks[c].inClipMode ?
CompileTrackPlayable(graph, flattenTracks[c], go, tree, mode) :
flattenTracks[c].CreateInfiniteTrackPlayable(graph, go, tree, mode);
graph.Connect(compiledTrackPlayable, 0, layerMixer, c);
layerMixer.SetInputWeight(c, flattenTracks[c].inClipMode ? 0 : 1);
if (flattenTracks[c].applyAvatarMask && flattenTracks[c].avatarMask != null)
{
layerMixer.SetLayerMaskFromAvatarMask((uint)c, flattenTracks[c].avatarMask);
}
}
bool requiresMotionXPlayable = RequiresMotionXPlayable(mode, go);
Playable mixer = layerMixer;
mixer = CreateDefaultBlend(graph, go, mixer, requiresMotionXPlayable);
// motionX playable not required in scene offset mode, or root transform mode
if (requiresMotionXPlayable)
{
// If we are animating a root transform, add the motionX to delta playable as the root node
var motionXToDelta = AnimationMotionXToDeltaPlayable.Create(graph);
graph.Connect(mixer, 0, motionXToDelta, 0);
motionXToDelta.SetInputWeight(0, 1.0f);
motionXToDelta.SetAbsoluteMotion(UsesAbsoluteMotion(mode));
mixer = (Playable)motionXToDelta;
}
#if UNITY_EDITOR
if (!Application.isPlaying)
{
var animator = GetBinding(go != null ? go.GetComponent <PlayableDirector>() : null);
if (animator != null)
{
GameObject targetGO = animator.gameObject;
IAnimationWindowPreview[] previewComponents = targetGO.GetComponents <IAnimationWindowPreview>();
m_HasPreviewComponents = previewComponents.Length > 0;
if (m_HasPreviewComponents)
{
foreach (var component in previewComponents)
{
mixer = component.BuildPreviewGraph(graph, mixer);
}
}
}
}
#endif
return(mixer);
}
internal override Playable OnCreateClipPlayableGraph(PlayableGraph graph, GameObject go, IntervalTree <RuntimeElement> tree)
{
if (isSubTrack)
{
throw new InvalidOperationException("Nested animation tracks should never be asked to create a graph directly");
}
List <AnimationTrack> flattenTracks = new List <AnimationTrack>();
if (CanCompileClips())
{
flattenTracks.Add(this);
}
bool animatesRootTransform = AnimatesRootTransform();
foreach (var subTrack in GetChildTracks())
{
var child = subTrack as AnimationTrack;
if (child != null && child.CanCompileClips())
{
animatesRootTransform |= child.AnimatesRootTransform();
flattenTracks.Add(child);
}
}
// figure out which mode to apply
AppliedOffsetMode mode = GetOffsetMode(go, animatesRootTransform);
var layerMixer = CreateGroupMixer(graph, go, flattenTracks.Count);
for (int c = 0; c < flattenTracks.Count; c++)
{
var compiledTrackPlayable = flattenTracks[c].inClipMode ?
CompileTrackPlayable(graph, flattenTracks[c], go, tree, mode) :
flattenTracks[c].CreateInfiniteTrackPlayable(graph, go, tree, mode);
graph.Connect(compiledTrackPlayable, 0, layerMixer, c);
layerMixer.SetInputWeight(c, flattenTracks[c].inClipMode ? 0 : 1);
if (flattenTracks[c].applyAvatarMask && flattenTracks[c].avatarMask != null)
{
layerMixer.SetLayerMaskFromAvatarMask((uint)c, flattenTracks[c].avatarMask);
}
}
Playable mixer = (Playable)layerMixer;
#if UNITY_EDITOR
if (!Application.isPlaying)
{
var motionXMixer = AnimationMixerPlayable.Create(graph, 2);
var animator = GetBinding(go != null ? go.GetComponent <PlayableDirector>() : null);
Playable blendDefault = Playable.Null;
if (animator != null && animator.isHuman)
{
blendDefault = AnimationClipPlayable.Create(graph, GetDefaultHumanoidClip());
}
else
{
blendDefault = AnimationPosePlayable.Create(graph);
((AnimationPosePlayable)blendDefault).SetReadDefaultPose(true);
}
var offsetPlayable = AnimationOffsetPlayable.Create(graph, m_SceneOffsetPosition, Quaternion.Euler(m_SceneOffsetRotation), 1);
graph.Connect(blendDefault, 0, offsetPlayable, 0);
graph.Connect(layerMixer, 0, motionXMixer, 0);
graph.Connect(offsetPlayable, 0, motionXMixer, 1);
offsetPlayable.SetInputWeight(0, 1.0f);
motionXMixer.SetInputWeight(1, 1.0f);
motionXMixer.SetInputWeight(0, 0.0f);
mixer = (Playable)motionXMixer;
}
#endif
// motionX playable not required in scene offset mode, or root transform mode
if (!RequiresMotionXPlayable(mode, go))
{
return(mixer);
}
// If we are animating a root transform, add the motionX to delta playable as the root node
var motionXToDelta = AnimationMotionXToDeltaPlayable.Create(graph);
graph.Connect(mixer, 0, motionXToDelta, 0);
motionXToDelta.SetInputWeight(0, 1.0f);
motionXToDelta.SetAbsoluteMotion(UsesAbsoluteMotion(mode));
return(motionXToDelta);
}
private void RebuildGraph(Animator animator)
{
DestroyGraph();
m_Graph = PlayableGraph.Create("PreviewGraph");
m_Graph.SetTimeUpdateMode(DirectorUpdateMode.Manual);
m_ClipPlayable = AnimationClipPlayable.Create(m_Graph, state.activeAnimationClip);
m_ClipPlayable.SetOverrideLoopTime(true);
m_ClipPlayable.SetLoopTime(false);
m_ClipPlayable.SetApplyFootIK(false);
m_CandidateClipPlayable = AnimationClipPlayable.Create(m_Graph, m_CandidateClip);
m_CandidateClipPlayable.SetApplyFootIK(false);
IAnimationWindowPreview[] previewComponents = FetchPostProcessComponents();
bool requiresDefaultPose = previewComponents != null && previewComponents.Length > 0;
int nInputs = requiresDefaultPose ? 3 : 2;
// Create a layer mixer if necessary, we'll connect playable nodes to it after having populated AnimationStream.
AnimationLayerMixerPlayable mixer = AnimationLayerMixerPlayable.Create(m_Graph, nInputs);
m_GraphRoot = (Playable)mixer;
// Populate custom playable preview graph.
if (previewComponents != null)
{
foreach (var component in previewComponents)
{
m_GraphRoot = component.BuildPreviewGraph(m_Graph, m_GraphRoot);
}
}
// Finish hooking up mixer.
int inputIndex = 0;
if (requiresDefaultPose)
{
AnimationMode.RevertPropertyModificationsForGameObject(state.activeRootGameObject);
EditorCurveBinding[] streamBindings = AnimationUtility.GetAnimationStreamBindings(state.activeRootGameObject);
m_DefaultPose = new AnimationClip()
{
name = "DefaultPose"
};
AnimationWindowUtility.CreateDefaultCurves(state, m_DefaultPose, streamBindings);
m_DefaultPosePlayable = AnimationClipPlayable.Create(m_Graph, m_DefaultPose);
m_DefaultPosePlayable.SetApplyFootIK(false);
mixer.ConnectInput(inputIndex++, m_DefaultPosePlayable, 0, 1.0f);
}
mixer.ConnectInput(inputIndex++, m_ClipPlayable, 0, 1.0f);
mixer.ConnectInput(inputIndex++, m_CandidateClipPlayable, 0, 1.0f);
if (animator.applyRootMotion)
{
var motionX = AnimationMotionXToDeltaPlayable.Create(m_Graph);
motionX.SetAbsoluteMotion(true);
motionX.SetInputWeight(0, 1.0f);
m_Graph.Connect(m_GraphRoot, 0, motionX, 0);
m_GraphRoot = (Playable)motionX;
}
var output = AnimationPlayableOutput.Create(m_Graph, "ouput", animator);
output.SetSourcePlayable(m_GraphRoot);
output.SetWeight(0.0f);
}
