// Polynomial curves have limitations on how they have to be authored.
// Since we don't enforce the layout, we have a button that enforces the curve layout instead.
void DoOptimizeCurveButton(Rect rect)
{
bool optimizeButtonShown = false;
Vector2 buttonSize = new Vector2(64, 14);
Rect buttonRect = new Rect(rect.xMax - 80 - buttonSize.x, rect.y + (rect.height - buttonSize.y) * 0.5f, buttonSize.x, buttonSize.y);
if (!m_CurveEditor.IsDraggingCurveOrRegion())
{
int numValidPolynomialCurve = 0;
List <CurveSelection> selection = m_CurveEditor.selectedCurves;
if (selection.Count > 0)
{
for (int j = 0; j < selection.Count; ++j)
{
CurveWrapper cw = m_CurveEditor.GetCurveWrapperFromSelection(selection[j]);
numValidPolynomialCurve += AnimationUtility.IsValidOptimizedPolynomialCurve(cw.curve) ? 1 : 0;
}
if (selection.Count != numValidPolynomialCurve)
{
optimizeButtonShown = true;
if (GUI.Button(buttonRect, s_Styles.optimizeCurveText))
{
for (int j = 0; j < selection.Count; ++j)
{
CurveWrapper cw = m_CurveEditor.GetCurveWrapperFromSelection(selection[j]);
if (!AnimationUtility.IsValidOptimizedPolynomialCurve(cw.curve))
{
// Reset wrap mode
cw.curve.preWrapMode = WrapMode.Clamp;
cw.curve.postWrapMode = WrapMode.Clamp;
cw.renderer.SetWrap(WrapMode.Clamp, WrapMode.Clamp);
AnimationUtility.ConstrainToPolynomialCurve(cw.curve);
cw.changed = true; // Used in SaveChangedCurves () later in OnGUI
}
}
m_CurveEditor.SelectNone();
}
}
}
else
{
// Check if top most curve can be optimized
int topMostCurveID;
if (m_CurveEditor.GetTopMostCurveID(out topMostCurveID))
{
CurveWrapper cw = m_CurveEditor.GetCurveWrapperFromID(topMostCurveID);
if (!AnimationUtility.IsValidOptimizedPolynomialCurve(cw.curve))
{
optimizeButtonShown = true;
if (GUI.Button(buttonRect, s_Styles.optimizeCurveText))
{
// Reset wrap mode
cw.curve.preWrapMode = WrapMode.Clamp;
cw.curve.postWrapMode = WrapMode.Clamp;
cw.renderer.SetWrap(WrapMode.Clamp, WrapMode.Clamp);
AnimationUtility.ConstrainToPolynomialCurve(cw.curve);
cw.changed = true; // Used in SaveChangedCurves () later in OnGUI
}
}
}
}
}
if (!optimizeButtonShown)
{
using (new EditorGUI.DisabledScope(true))
{
GUI.Button(buttonRect, s_Styles.optimizeCurveText);
}
}
}
