/// <summary>Initializes the struct with default values.</summary>
public static AnimationClipState Default()
{
AnimationClipState value = new AnimationClipState();
value.layer = 0;
value.time = 0f;
value.speed = 1f;
value.weight = 1f;
value.wrapMode = AnimWrapMode.Loop;
value.stopped = false;
return(value);
}
/// <summary>
/// Allows the caller to play an animation clip during edit mode. This form of animation playback is limited as
/// you have no control over clip properties, and features like blending, cross fade or animation events are not
/// supported.
///
/// Caller will need to manually call <see cref="UpdateFloatProperties"/> in order to apply evaluated animation data
/// to relevant float properties (if required).
///
/// Caller will also need to manually call <see cref="RefreshClipMappings"/> whenever the curves internal to the
/// animation clip change. This should be called before the call to <see cref="UpdateFloatProperties"/>.
/// </summary>
/// <param name="clip">Animation clip to play.</param>
/// <param name="startTime">Time to start playing at, in seconds.</param>
/// <param name="freeze">If true, only the frame at the specified time will be shown, without advancing the
/// animation.</param>
internal void EditorPlay(RRef <AnimationClip> clip, float startTime, bool freeze = false)
{
bool inPreviewMode = Internal__togglePreviewMode(mCachedPtr, true);
if (!inPreviewMode)
{
return;
}
if (freeze)
{
Sample(clip, startTime);
}
else
{
AnimationClipState clipState = AnimationClipState.Default();
clipState.time = startTime;
SetState(clip, clipState);
}
Internal__refreshClipMappings(mCachedPtr);
}
public AnimationUndo(AnimationClipState prevClipState, AnimationClipState clipState)
{
this.prevClipState = prevClipState;
this.clipState = clipState;
}
/// <summary>
/// Records current clip state for undo/redo purposes.
/// </summary>
internal void RecordClipState()
{
AnimationClipState clipState = CreateClipState();
AnimationUndo undoCommand = new AnimationUndo(currentClipState, clipState);
UndoRedo.RegisterCommand(undoCommand);
currentClipState = clipState;
}
/// <summary>
/// Records current clip state for undo/redo purposes.
/// </summary>
internal AnimationClipState CreateClipState()
{
AnimationClipState clipState = new AnimationClipState();
clipState.events = new AnimationEvent[clipInfo.events.Length];
for (int i = 0; i < clipState.events.Length; i++)
clipState.events[i] = new AnimationEvent(clipInfo.events[i].Name, clipInfo.events[i].Time);
foreach (var curveField in clipInfo.curves)
{
AnimationCurveState[] curveData = new AnimationCurveState[curveField.Value.curveInfos.Length];
for (int i = 0; i < curveData.Length; i++)
{
curveData[i] = new AnimationCurveState();
TangentMode[] tangentModes = curveField.Value.curveInfos[i].curve.TangentModes;
int numTangentModes = tangentModes.Length;
curveData[i].tangentModes = new TangentMode[numTangentModes];
Array.Copy(tangentModes, curveData[i].tangentModes, numTangentModes);
KeyFrame[] keyFrames = curveField.Value.curveInfos[i].curve.KeyFrames;
int numKeyframes = keyFrames.Length;
curveData[i].keyFrames = new KeyFrame[numKeyframes];
Array.Copy(keyFrames, curveData[i].keyFrames, numKeyframes);
}
clipState.curves[curveField.Key] = curveData;
}
return clipState;
}
/// <summary>
/// Checks if the currently selected object has changed, and rebuilds the GUI and loads the animation clip if needed.
/// </summary>
/// <param name="force">If true the GUI rebuild and animation clip load will be forced regardless if the active
/// scene object changed.</param>
private void UpdateSelectedSO(bool force)
{
SceneObject so = Selection.SceneObject;
if (selectedSO != so || force)
{
if (selectedSO != null && so == null)
{
EditorInput.OnPointerPressed -= OnPointerPressed;
EditorInput.OnPointerMoved -= OnPointerMoved;
EditorInput.OnPointerReleased -= OnPointerReleased;
EditorInput.OnButtonUp -= OnButtonUp;
}
else if (selectedSO == null && so != null)
{
EditorInput.OnPointerPressed += OnPointerPressed;
EditorInput.OnPointerMoved += OnPointerMoved;
EditorInput.OnPointerReleased += OnPointerReleased;
EditorInput.OnButtonUp += OnButtonUp;
}
SwitchState(State.Empty);
selectedSO = so;
zoomAmount = 0.0f;
selectedFields.Clear();
clipInfo = null;
UndoRedo.Clear();
RebuildGUI();
// Load existing clip if one exists
if (selectedSO != null)
{
Animation animation = selectedSO.GetComponent<Animation>();
if (animation != null)
{
AnimationClip clip = animation.DefaultClip;
if (clip != null)
LoadAnimClip(clip);
}
}
if(clipInfo == null)
clipInfo = new EditorAnimClipInfo();
SwitchState(State.Normal);
currentClipState = CreateClipState();
if (selectedSO != null)
{
// Select first curve by default
foreach (var KVP in clipInfo.curves)
{
SelectField(KVP.Key, false);
break;
}
UpdateDisplayedCurves(true);
}
}
}
/// <summary>
/// Updates the current animation fields from the keyframes and events in the provided state.
/// </summary>
/// <param name="animationClipState">Saved state of an animation clip.</param>
internal void ApplyClipState(AnimationClipState animationClipState)
{
if (state == State.Empty)
return;
SwitchState(State.Normal);
AnimationEvent[] events = animationClipState.events;
clipInfo.events = new AnimationEvent[events.Length];
for(int i = 0; i < events.Length; i++)
clipInfo.events[i] = new AnimationEvent(events[i].Name, events[i].Time);
foreach (var KVP in animationClipState.curves)
{
FieldAnimCurves fieldCurves;
if (!clipInfo.curves.TryGetValue(KVP.Key, out fieldCurves))
continue;
for (int i = 0; i < fieldCurves.curveInfos.Length; i++)
{
AnimationCurve curve = fieldCurves.curveInfos[i].curve.Normal;
curve.KeyFrames = KVP.Value[i].keyFrames;
fieldCurves.curveInfos[i].curve = new EdAnimationCurve(curve, KVP.Value[i].tangentModes);
}
clipInfo.curves[KVP.Key] = fieldCurves;
}
// Clear all keyframes from curves not in the stored state
foreach (var currentKVP in clipInfo.curves)
{
bool found = false;
foreach (var stateKVP in animationClipState.curves)
{
if (currentKVP.Key == stateKVP.Key)
{
found = true;
break;
}
}
if (found)
continue;
FieldAnimCurves fieldCurves = currentKVP.Value;
for (int i = 0; i < fieldCurves.curveInfos.Length; i++)
{
AnimationCurve curve = currentKVP.Value.curveInfos[i].curve.Normal;
curve.KeyFrames = new KeyFrame[0];
fieldCurves.curveInfos[i].curve = new EdAnimationCurve(curve, new TangentMode[0]);
}
}
currentClipState = animationClipState;
UpdateDisplayedCurves();
ApplyClipChanges();
PreviewFrame(currentFrameIdx);
EditorApplication.SetProjectDirty();
}
private static extern void Internal_setState(IntPtr thisPtr, RRef <AnimationClip> clip, ref AnimationClipState state);
private static extern bool Internal_getState(IntPtr thisPtr, RRef <AnimationClip> clip, out AnimationClipState state);
/// <summary>
/// Changes the state of a playing animation clip. If animation clip is not currently playing the playback is started for
/// the clip.
/// </summary>
/// <param name="clip">Clip to change the state for.</param>
/// <param name="state">New state of the animation (e.g. changing the time for seeking).</param>
public void SetState(RRef <AnimationClip> clip, AnimationClipState state)
{
Internal_setState(mCachedPtr, clip, ref state);
}
/// <summary>Retrieves detailed information about a currently playing animation clip.</summary>
/// <param name="clip">Clip to retrieve the information for.</param>
/// <param name="state">
/// Animation clip state containing the requested information. Only valid if the method returns true.
/// </param>
/// <returns>True if the state was found (animation clip is playing), false otherwise.</returns>
public bool GetState(RRef <AnimationClip> clip, out AnimationClipState state)
{
return(Internal_getState(mCachedPtr, clip, out state));
}