/// <summary>
/// Attempts to find a keyframe under the provided coordinates.
/// </summary>
/// <param name="pixelCoords">Coordinates relative to this GUI element in pixels.</param>
/// <param name="keyframe">Output object containing keyframe index and index of the curve it belongs to. Only valid
/// if method returns true.</param>
/// <returns>True if there is a keyframe under the coordinates, false otherwise.</returns>
public bool FindKeyFrame(Vector2I pixelCoords, out KeyframeRef keyframe)
{
keyframe = new KeyframeRef();
float nearestDistance = float.MaxValue;
for (int i = 0; i < curveInfos.Length; i++)
{
EdAnimationCurve curve = curveInfos[i].curve;
KeyFrame[] keyframes = curve.KeyFrames;
for (int j = 0; j < keyframes.Length; j++)
{
Vector2 keyframeCurveCoords = new Vector2(keyframes[j].time, keyframes[j].value);
Vector2I keyframeCoords = CurveToPixelSpace(keyframeCurveCoords);
float distanceToKey = Vector2I.Distance(pixelCoords, keyframeCoords);
if (distanceToKey < nearestDistance)
{
nearestDistance = distanceToKey;
keyframe.keyIdx = j;
keyframe.curveIdx = i;
}
}
}
// We're not near any keyframe
if (nearestDistance > 5.0f)
{
return(false);
}
return(true);
}
/// <summary>
/// Checks is the provided keyframe currently selected.
/// </summary>
/// <param name="keyframeRef">Keyframe to check.</param>
/// <returns>True if selected, false otherwise.</returns>
private bool IsSelected(KeyframeRef keyframeRef)
{
int curveIdx = selectedKeyframes.FindIndex(x =>
{
return(x.curveIdx == keyframeRef.curveIdx);
});
if (curveIdx == -1)
{
return(false);
}
int keyIdx = selectedKeyframes[curveIdx].keyIndices.FindIndex(x =>
{
return(x == keyframeRef.keyIdx);
});
return(keyIdx != -1);
}
/// <summary>
/// Marks the specified key-frame as selected, changing the way it is displayed.
/// </summary>
/// <param name="keyframeRef">Keyframe reference containing the curve and keyframe index.</param>
/// <param name="selected">True to select it, false to deselect it.</param>
public void SelectKeyframe(KeyframeRef keyframeRef, bool selected)
{
if (selectedKeyframes == null)
{
return;
}
if (keyframeRef.curveIdx < 0 || keyframeRef.curveIdx >= selectedKeyframes.Length)
{
return;
}
if (keyframeRef.keyIdx < 0 || keyframeRef.keyIdx >= selectedKeyframes[keyframeRef.curveIdx].Length)
{
return;
}
selectedKeyframes[keyframeRef.curveIdx][keyframeRef.keyIdx] = selected;
}
/// <summary>
/// Adds the provided keyframe to the selection list (doesn't clear existing ones).
/// </summary>
/// <param name="keyframeRef">Keyframe to select.</param>
private void SelectKeyframe(KeyframeRef keyframeRef)
{
guiCurveDrawing.SelectKeyframe(keyframeRef, true);
if (!IsSelected(keyframeRef))
{
int curveIdx = selectedKeyframes.FindIndex(x =>
{
return(x.curveIdx == keyframeRef.curveIdx);
});
if (curveIdx == -1)
{
curveIdx = selectedKeyframes.Count;
SelectedKeyframes newKeyframes = new SelectedKeyframes();
newKeyframes.curveIdx = keyframeRef.curveIdx;
selectedKeyframes.Add(newKeyframes);
}
selectedKeyframes[curveIdx].keyIndices.Add(keyframeRef.keyIdx);
}
}
public TangentRef(KeyframeRef keyframeRef, TangentType type)
{
this.keyframeRef = keyframeRef;
this.type = type;
}
private static extern void Internal_selectKeyframe(IntPtr thisPtr, ref KeyframeRef keyframeRef, TangentMode tangentMode, bool selected);
private static extern bool Internal_findKeyFrame(IntPtr thisPtr, ref Vector2I pixelCoords, out KeyframeRef keyframe);
/// <summary>Marks the specified key-frame as selected, changing the way it is displayed.</summary>
/// <param name="keyframeRef">Keyframe reference containing the curve and keyframe index.</param>
/// <param name="tangentMode">Type of tangent to display on the selected keyframe.</param>
/// <param name="selected">True to select it, false to deselect it.</param>
public void SelectKeyframe(KeyframeRef keyframeRef, TangentMode tangentMode, bool selected)
{
Internal_selectKeyframe(mCachedPtr, ref keyframeRef, tangentMode, selected);
}
/// <summary>Attempts to find a keyframe under the provided coordinates.</summary>
/// <param name="pixelCoords">Coordinates relative to this GUI element in pixels.</param>
/// <param name="keyframe">
/// Output object containing keyframe index and index of the curve it belongs to. Only valid if method returns true.
/// </param>
/// <returns>True if there is a keyframe under the coordinates, false otherwise.</returns>
public bool FindKeyFrame(Vector2I pixelCoords, out KeyframeRef keyframe)
{
return(Internal_findKeyFrame(mCachedPtr, ref pixelCoords, out keyframe));
}