public USInternalKeyframe AddKeyframe(float time, float value)
{
USInternalKeyframe uSInternalKeyframe = null;
foreach (USInternalKeyframe current in this.internalKeyframes)
{
if (Mathf.Approximately(current.Time, time))
{
uSInternalKeyframe = current;
}
if (uSInternalKeyframe != null)
{
break;
}
}
if (!uSInternalKeyframe)
{
uSInternalKeyframe = ScriptableObject.CreateInstance <USInternalKeyframe>();
this.internalKeyframes.Add(uSInternalKeyframe);
}
this.Duration = Mathf.Max((from keyframe in this.internalKeyframes
orderby keyframe.Time
select keyframe).LastOrDefault <USInternalKeyframe>().Time, time);
uSInternalKeyframe.curve = this;
uSInternalKeyframe.Time = time;
uSInternalKeyframe.Value = value;
uSInternalKeyframe.InTangent = 0f;
uSInternalKeyframe.OutTangent = 0f;
this.internalKeyframes.Sort(new Comparison <USInternalKeyframe>(USInternalCurve.KeyframeComparer));
this.BuildAnimationCurveFromInternalCurve();
return(uSInternalKeyframe);
}
public void BuildInternalCurveFromAnimationCurve()
{
Keyframe[] keys = this.animationCurve.keys;
for (int i = 0; i < keys.Length; i++)
{
Keyframe keyframe = keys[i];
USInternalKeyframe uSInternalKeyframe = null;
foreach (USInternalKeyframe current in this.internalKeyframes)
{
if (Mathf.Approximately(keyframe.time, current.Time))
{
uSInternalKeyframe = current;
break;
}
}
if (uSInternalKeyframe)
{
uSInternalKeyframe.ConvertFrom(keyframe);
}
else
{
USInternalKeyframe uSInternalKeyframe2 = ScriptableObject.CreateInstance <USInternalKeyframe>();
uSInternalKeyframe2.ConvertFrom(keyframe);
uSInternalKeyframe2.curve = this;
this.internalKeyframes.Add(uSInternalKeyframe2);
this.internalKeyframes.Sort(new Comparison <USInternalKeyframe>(USInternalCurve.KeyframeComparer));
}
}
}
public USInternalKeyframe GetPrevKeyframe(USInternalKeyframe keyframe)
{
if (this.internalKeyframes.Count == 0)
{
return(null);
}
if (this.internalKeyframes[0] == keyframe)
{
return(null);
}
int num = -1;
for (int i = 0; i < this.internalKeyframes.Count; i++)
{
if (this.internalKeyframes[i] == keyframe)
{
num = i;
}
if (num != -1)
{
break;
}
}
return(this.internalKeyframes[num - 1]);
}
private void DrawTangent(AnimationKeyframeRenderData keyframeRenderData, USInternalKeyframe keyframe)
{
var FinalRenderPosition = keyframeRenderData.RenderPosition;
FinalRenderPosition.x = (FinalRenderPosition.x * XScale) - XScroll;
var leftTangentRect = new Rect(keyframeRenderData.LeftTangentEnd.x - 5, keyframeRenderData.LeftTangentEnd.y - 4, 10, 10);
var rightTangentRect = new Rect(keyframeRenderData.RightTangentEnd.x - 5, keyframeRenderData.RightTangentEnd.y - 4, 10, 10);
if (keyframeRenderData.HasLeftTangent)
{
var inAngle = -Mathf.Rad2Deg * Mathf.Atan(keyframe.InTangent);
Vector2 inDir = Quaternion.Euler(0, 0, inAngle) * Vector2.right;
var ratio = DisplayArea.height / DisplayArea.width;
inDir.y = inDir.y * ratio;
inDir.Normalize();
keyframeRenderData.LeftTangentEnd = FinalRenderPosition + (-inDir * AnimationCurveEditorUtility.TANGENT_LENGTH);
using (new GUIChangeColor(keyframeRenderData.LeftTangentColor))
GUI.Label(leftTangentRect, AnimationCurveEditorUtility.KeyframeTexture);
}
if (keyframeRenderData.HasRightTangent)
{
var outAngle = -Mathf.Rad2Deg * Mathf.Atan(keyframe.OutTangent);
Vector2 outDir = Quaternion.Euler(0, 0, outAngle) * Vector2.right;
var ratio = DisplayArea.height / DisplayArea.width;
outDir.y = outDir.y * ratio;
outDir.Normalize();
keyframeRenderData.RightTangentEnd = FinalRenderPosition + (outDir * AnimationCurveEditorUtility.TANGENT_LENGTH);
using (new GUIChangeColor(keyframeRenderData.RightTangentColor))
GUI.Label(rightTangentRect, AnimationCurveEditorUtility.KeyframeTexture);
}
if (Event.current.type == EventType.MouseDown && leftTangentRect.Contains(Event.current.mousePosition))
{
SelectTangent(keyframeRenderData, 0);
}
if (Event.current.type == EventType.MouseDown && rightTangentRect.Contains(Event.current.mousePosition))
{
SelectTangent(keyframeRenderData, 1);
}
if (Event.current.type == EventType.MouseDrag && SelectedTangent != -1)
{
DragTangent(keyframeRenderData, 0);
}
if (Event.current.type == EventType.MouseDrag && SelectedTangent != -1)
{
DragTangent(keyframeRenderData, 1);
}
if (Event.current.rawType == EventType.MouseUp && SelectedTangent != -1)
{
Event.current.Use();
SelectedTangent = -1;
}
}
public void BuildInternalCurveFromAnimationCurve()
{
foreach (var keyframe in animationCurve.keys)
{
// Check we don't already have a key that is roughly equivilant to this key.
USInternalKeyframe existingKeyframe = null;
foreach (var internalKeyframe in internalKeyframes)
{
if (Mathf.Approximately(keyframe.time, internalKeyframe.Time))
{
existingKeyframe = internalKeyframe;
break;
}
}
if (existingKeyframe)
{
existingKeyframe.ConvertFrom(keyframe);
continue;
}
var internalkeyframe = CreateInstance <USInternalKeyframe>();
internalkeyframe.ConvertFrom(keyframe);
internalkeyframe.curve = this;
internalKeyframes.Add(internalkeyframe);
internalKeyframes.Sort(KeyframeComparer);
}
}
/// <summary>
/// A helper function to get the previous <see cref="WellFired.USInternalKeyframe"/>.
/// if something goes wrong, this method returns null.
/// </summary>
/// <returns>The previous keyframe.</returns>
/// <param name="keyframe">A Keyframe.</param>
public USInternalKeyframe GetPrevKeyframe(USInternalKeyframe keyframe)
{
// There are no keys, bail.
if (internalKeyframes.Count == 0)
{
return(null);
}
// this is the first keyframe, bail.
if (internalKeyframes[0] == keyframe)
{
return(null);
}
// Find the next keyframe.
var index = -1;
for (var n = 0; n < internalKeyframes.Count; n++)
{
if (internalKeyframes[n] == keyframe)
{
index = n;
}
if (index != -1)
{
break;
}
}
return(internalKeyframes[index - 1]);
}
public bool Contains(USInternalKeyframe keyframe)
{
for (int i = this.Keys.Count - 1; i >= 0; i--)
{
if (this.Keys[i] == keyframe)
{
return(true);
}
}
return(false);
}
/// <summary>
/// Compares two keyframes for equality.
///
/// The method should return :
/// if the first keyframe is greater, return 1, if they are equal, return 0, if the second keyframe is greater, return -1
/// </summary>
/// <returns>The value result of the comparison</returns>
/// <param name="a">The first keyframe.</param>
/// <param name="b">The second keyframe.</param>
public static int KeyframeComparer(USInternalKeyframe a, USInternalKeyframe b)
{
if (a == null)
{
return(-1);
}
if (b == null)
{
return(1);
}
return(a.Time.CompareTo(b.Time));
}
private void RebuildCachedKeyframeInformation(USInternalKeyframe keyframe)
{
cachedKeyframePositions[keyframe] = new AnimationKeyframeRenderData();
var keyframeIndex = keyframe.curve.Keys.ToList().FindIndex(element => element == keyframe);
var keyframeRatio = (keyframe.Value - MinDisplayY) / (MaxDisplayY - MinDisplayY);
var keyframePos = new Vector2(DisplayArea.width * (keyframe.Time / Duration), DisplayArea.height * keyframeRatio);
keyframePos.y = DisplayArea.height - keyframePos.y;
cachedKeyframePositions[keyframe].RenderPosition = keyframePos;
cachedKeyframePositions[keyframe].RenderRect = new Rect(cachedKeyframePositions[keyframe].RenderPosition.x - 6, cachedKeyframePositions[keyframe].RenderPosition.y - 6, 16, 16);
cachedKeyframePositions[keyframe].HasLeftTangent = false;
cachedKeyframePositions[keyframe].HasRightTangent = false;
// Evaluate, stepCount steps per curve section.
if (keyframeIndex != 0)
{
var prevKeyframe = keyframe.curve.Keys[keyframeIndex - 1];
var timeDifference = keyframe.Time - prevKeyframe.Time;
var timeStep = timeDifference / AnimationCurveEditorUtility.CURVE_KEYFRAME_STEP_COUNT;
var startTime = prevKeyframe.Time;
for (var n = 0; n <= AnimationCurveEditorUtility.CURVE_KEYFRAME_STEP_COUNT; n++)
{
var nextEvaluationTime = startTime + timeStep;
var prevSampleValue = keyframe.curve.Evaluate(startTime);
var sampleValue = keyframe.curve.Evaluate(nextEvaluationTime);
var prevRatio = (prevSampleValue - MinDisplayY) / (MaxDisplayY - MinDisplayY);
var nextRatio = (sampleValue - MinDisplayY) / (MaxDisplayY - MinDisplayY);
var startPos = new Vector2(DisplayArea.width * (startTime / Duration), DisplayArea.height * prevRatio);
var endPos = new Vector2(DisplayArea.width * (nextEvaluationTime / Duration), DisplayArea.height * nextRatio);
startPos.y = DisplayArea.height - startPos.y;
endPos.y = DisplayArea.height - endPos.y;
cachedKeyframePositions[keyframe].CurveSegments.Add(startPos);
startTime = nextEvaluationTime;
}
}
if (keyframeIndex < keyframe.curve.Keys.Count - 1)
{
cachedKeyframePositions[keyframe].HasRightTangent = true;
}
if (keyframeIndex > 0)
{
cachedKeyframePositions[keyframe].HasLeftTangent = true;
}
}
/// <summary>
/// Does this curve contain the passed <see cref="WellFired.USInternalKeyframe"/>
/// </summary>
/// <param name="keyframe">A Keyframe.</param>
public bool Contains(USInternalKeyframe keyframe)
{
// Remove Keyframes that are too close together.
for (var n = Keys.Count - 1; n >= 0; n--)
{
if (Keys[n] == keyframe)
{
return(true);
}
}
return(false);
}
public void RemoveKeyframe(USInternalKeyframe internalKeyframe)
{
for (int i = this.internalKeyframes.Count - 1; i >= 0; i--)
{
if (this.internalKeyframes[i] == internalKeyframe)
{
this.internalKeyframes.RemoveAt(i);
}
}
this.internalKeyframes.Sort(new Comparison <USInternalKeyframe>(USInternalCurve.KeyframeComparer));
this.Duration = (from keyframe in this.internalKeyframes
orderby keyframe.Time
select keyframe).LastOrDefault <USInternalKeyframe>().Time;
this.BuildAnimationCurveFromInternalCurve();
}
public void AddKeyframe(USInternalKeyframe internalKeyframe, USInternalCurve curve)
{
USUndoManager.PropertyChange(curve, "Add Keyframe");
curve.Keys.Add(internalKeyframe);
if (Duration < internalKeyframe.Time)
{
Duration = internalKeyframe.Time;
}
curve.Keys.Sort(USInternalCurve.KeyframeComparer);
curve.BuildAnimationCurveFromInternalCurve();
RebuildCachedCurveInformation();
AreCurvesDirty = true;
}
public void LeftTangentLinear()
{
if (!this.curve)
{
return;
}
USInternalKeyframe prevKeyframe = this.curve.GetPrevKeyframe(this);
if (prevKeyframe == null)
{
return;
}
this.inTangent = (prevKeyframe.value - this.value) / (prevKeyframe.time - this.time);
this.brokenTangents = true;
this.curve.BuildAnimationCurveFromInternalCurve();
}
public void RightTangentLinear()
{
if (!this.curve)
{
return;
}
USInternalKeyframe nextKeyframe = this.curve.GetNextKeyframe(this);
if (nextKeyframe == null)
{
return;
}
this.outTangent = (nextKeyframe.value - this.value) / (nextKeyframe.time - this.time);
this.brokenTangents = true;
this.curve.BuildAnimationCurveFromInternalCurve();
}
/// <summary>
/// Removes a <see cref="WellFired.USInternalKeyframe"/>.
/// </summary>
/// <param name="internalKeyframe">The keyframe to remove.</param>
public void RemoveKeyframe(USInternalKeyframe internalKeyframe)
{
for (var n = internalKeyframes.Count - 1; n >= 0; n--)
{
if (internalKeyframes[n] == internalKeyframe)
{
internalKeyframes.RemoveAt(n);
}
}
internalKeyframes.Sort(KeyframeComparer);
Duration = internalKeyframes.OrderBy(keyframe => keyframe.Time).LastOrDefault().Time;
BuildAnimationCurveFromInternalCurve();
}
public static void KeyframeLabel(USInternalKeyframe keyframe, AnimationKeyframeRenderData renderData, bool useCurrentValue, float xScroll, float xScale)
{
var isSelected = renderData.IsKeyframeSelected;
var FinalRenderPosition = renderData.RenderPosition;
FinalRenderPosition.x = (FinalRenderPosition.x * xScale) - xScroll;
renderData.RenderRect = new Rect(FinalRenderPosition.x - 6, renderData.RenderPosition.y - 6, 16, 16);
using (new Shared.GUIChangeColor(isSelected ? Color.yellow : (useCurrentValue ? Color.red : Color.white)))
GUI.Label(renderData.RenderRect, AnimationCurveEditorUtility.KeyframeTexture);
renderData.IsMouseOverKeyframe = false;
if (renderData.RenderRect.Contains(Event.current.mousePosition))
{
renderData.IsMouseOverKeyframe = true;
}
}
/// <summary>
/// Adds a <see cref="WellFired.USInternalKeyframe"/> at the given time, with the given value. Allocates memory at runtime, it's advisable to use this only in edit mode.
/// If this <see cref="WellFired.USInternalKeyframe"/> already exists, we will return the existing <see cref="WellFired.USInternalKeyframe"/>.
/// </summary>
/// <returns>The allocated keyframe.</returns>
/// <param name="time">The keyframe time.</param>
/// <param name="value">The value this keyframe should hold.</param>
public USInternalKeyframe AddKeyframe(float time, float value)
{
// If a keyframe already exists at this time, use that one.
USInternalKeyframe internalkeyframe = null;
foreach (var keyframe in internalKeyframes)
{
if (Mathf.Approximately(keyframe.Time, time))
{
internalkeyframe = keyframe;
}
if (internalkeyframe != null)
{
break;
}
}
// Didn't find a keyframe create a new one.
if (!internalkeyframe)
{
internalkeyframe = CreateInstance <USInternalKeyframe>();
internalKeyframes.Add(internalkeyframe);
}
Duration = Mathf.Max(internalKeyframes.OrderBy(keyframe => keyframe.Time).LastOrDefault().Time, time);
internalkeyframe.curve = this;
internalkeyframe.Time = time;
internalkeyframe.Value = value;
internalkeyframe.InTangent = 0.0f;
internalkeyframe.OutTangent = 0.0f;
internalKeyframes.Sort(KeyframeComparer);
BuildAnimationCurveFromInternalCurve();
return(internalkeyframe);
}
public void BreakKeyframeTangents(USInternalKeyframe keyframe, bool currentState)
{
USUndoManager.PropertyChange(keyframe, "Break Keyframe Tangent");
keyframe.BrokenTangents = !currentState;
}
public static int KeyframeComparer(USInternalKeyframe a, USInternalKeyframe b)
{
return(a.Time.CompareTo(b.Time));
}
public void LeftKeyframeTangentLinear(USInternalKeyframe keyframe)
{
USUndoManager.PropertyChange(keyframe, "Left Tangent Linear");
keyframe.LeftTangentLinear();
}
public void LeftKeyframeTangentConstant(USInternalKeyframe keyframe)
{
USUndoManager.PropertyChange(keyframe, "Left Tangent Constant");
keyframe.LeftTangentConstant();
}
public void SmoothKeyframe(USInternalKeyframe keyframe)
{
USUndoManager.PropertyChange(keyframe, "Smooth Keyframe");
keyframe.Smooth();
}
public void FlattenKeyframe(USInternalKeyframe keyframe)
{
USUndoManager.PropertyChange(keyframe, "Flatten Keyframe");
keyframe.Flatten();
}
private USInternalKeyframe AddKeyframe(USInternalCurve curve, float time, float value)
{
// If a keyframe already exists at this time, use that one.
USInternalKeyframe internalKeyframe = null;
foreach (var keyframe in curve.Keys)
{
if (Mathf.Approximately(keyframe.Time, time))
{
internalKeyframe = keyframe;
}
if (internalKeyframe != null)
{
break;
}
}
// Didn't find a keyframe create a new one.
if (!internalKeyframe)
{
internalKeyframe = CreateInstance <USInternalKeyframe>();
USUndoManager.RegisterCreatedObjectUndo(internalKeyframe, "Add New Keyframe");
USUndoManager.RegisterCompleteObjectUndo(curve, "Add Keyframe");
curve.Keys.Add(internalKeyframe);
}
USUndoManager.RegisterCompleteObjectUndo(internalKeyframe, "Add Keyframe");
internalKeyframe.curve = curve;
internalKeyframe.Time = time;
internalKeyframe.Value = value;
internalKeyframe.InTangent = 0.0f;
internalKeyframe.OutTangent = 0.0f;
if (AutoTangentMode == CurveAutoTangentModes.Smooth)
{
internalKeyframe.Smooth();
}
else if (AutoTangentMode == CurveAutoTangentModes.Flatten)
{
internalKeyframe.Flatten();
}
else if (AutoTangentMode == CurveAutoTangentModes.RightLinear)
{
internalKeyframe.RightTangentLinear();
}
else if (AutoTangentMode == CurveAutoTangentModes.RightConstant)
{
internalKeyframe.RightTangentConstant();
}
else if (AutoTangentMode == CurveAutoTangentModes.LeftLinear)
{
internalKeyframe.LeftTangentLinear();
}
else if (AutoTangentMode == CurveAutoTangentModes.LeftConstant)
{
internalKeyframe.LeftTangentConstant();
}
else if (AutoTangentMode == CurveAutoTangentModes.BothLinear)
{
internalKeyframe.BothTangentLinear();
}
else if (AutoTangentMode == CurveAutoTangentModes.BothConstant)
{
internalKeyframe.BothTangentConstant();
}
curve.Keys.Sort(USInternalCurve.KeyframeComparer);
curve.BuildAnimationCurveFromInternalCurve();
return(internalKeyframe);
}
public void RemoveKeyframe(USInternalKeyframe keyframe)
{
USUndoManager.PropertyChange(keyframe.curve, "Remove Keyframe");
keyframe.curve.RemoveKeyframe(keyframe);
}