private void BlendGraph(Rect area)
{
area.xMin++;
area.xMax--;
int controlID = GUIUtility.GetControlID(this.m_BlendAnimationID, FocusType.Passive);
int arraySize = this.m_Childs.arraySize;
float[] values = new float[arraySize];
for (int i = 0; i < arraySize; i++)
{
SerializedProperty property2 = this.m_Childs.GetArrayElementAtIndex(i).FindPropertyRelative("m_Threshold");
values[i] = property2.floatValue;
}
float a = Mathf.Min(values);
float b = Mathf.Max(values);
for (int j = 0; j < values.Length; j++)
{
values[j] = area.x + (Mathf.InverseLerp(a, b, values[j]) * area.width);
}
string blendParameter = this.m_BlendTree.blendParameter;
float num7 = area.x + (Mathf.InverseLerp(a, b, GetParameterValue(currentAnimator, this.m_BlendTree, blendParameter)) * area.width);
Rect position = new Rect(num7 - 4f, area.y, 9f, 42f);
Event current = Event.current;
switch (current.GetTypeForControl(controlID))
{
case EventType.MouseDown:
{
if (!position.Contains(current.mousePosition))
{
if (area.Contains(current.mousePosition))
{
current.Use();
GUIUtility.hotControl = controlID;
GUIUtility.keyboardControl = controlID;
float x = current.mousePosition.x;
float positiveInfinity = float.PositiveInfinity;
for (int k = 0; k < values.Length; k++)
{
float num15 = (k != 0) ? values[k - 1] : values[k];
float num16 = (k != (values.Length - 1)) ? values[k + 1] : values[k];
if ((Mathf.Abs((float) (x - values[k])) < positiveInfinity) && ((x < num16) && (x > num15)))
{
positiveInfinity = Mathf.Abs((float) (x - values[k]));
this.m_ReorderableList.index = k;
}
}
this.m_UseAutomaticThresholds.boolValue = false;
}
break;
}
current.Use();
GUIUtility.hotControl = controlID;
this.m_ReorderableList.index = -1;
this.m_ReorderableList.index = -1;
float t = Mathf.InverseLerp(0f, area.width, current.mousePosition.x - 4f);
t = Mathf.Lerp(a, b, t);
SetParameterValue(currentAnimator, this.m_BlendTree, parentBlendTree, blendParameter, t);
break;
}
case EventType.MouseUp:
if (GUIUtility.hotControl == controlID)
{
current.Use();
GUIUtility.hotControl = 0;
this.m_ReorderableList.index = -1;
}
break;
case EventType.MouseDrag:
if (GUIUtility.hotControl == controlID)
{
current.Use();
if (this.m_ReorderableList.index == -1)
{
float num17 = Mathf.InverseLerp(0f, area.width, current.mousePosition.x - 4f);
num17 = Mathf.Lerp(a, b, num17);
SetParameterValue(currentAnimator, this.m_BlendTree, parentBlendTree, blendParameter, num17);
}
else
{
float num18 = Mathf.InverseLerp(0f, area.width, current.mousePosition.x);
num18 = Mathf.Lerp(a, b, num18);
SerializedProperty arrayElementAtIndex = this.m_Childs.GetArrayElementAtIndex(this.m_ReorderableList.index);
SerializedProperty property4 = arrayElementAtIndex.FindPropertyRelative("m_Threshold");
SerializedProperty property5 = (this.m_ReorderableList.index > 0) ? this.m_Childs.GetArrayElementAtIndex(this.m_ReorderableList.index - 1) : arrayElementAtIndex;
SerializedProperty property6 = (this.m_ReorderableList.index != (this.m_Childs.arraySize - 1)) ? this.m_Childs.GetArrayElementAtIndex(this.m_ReorderableList.index + 1) : arrayElementAtIndex;
SerializedProperty property7 = property5.FindPropertyRelative("m_Threshold");
SerializedProperty property8 = property6.FindPropertyRelative("m_Threshold");
float num19 = (b - a) / area.width;
float num20 = current.delta.x;
property4.floatValue += num20 * num19;
if ((property4.floatValue < property7.floatValue) && (this.m_ReorderableList.index != 0))
{
this.m_Childs.MoveArrayElement(this.m_ReorderableList.index, this.m_ReorderableList.index - 1);
this.m_ReorderableList.index--;
}
if ((property4.floatValue > property8.floatValue) && (this.m_ReorderableList.index < (this.m_Childs.arraySize - 1)))
{
this.m_Childs.MoveArrayElement(this.m_ReorderableList.index, this.m_ReorderableList.index + 1);
this.m_ReorderableList.index++;
}
float num21 = 3f * ((b - a) / area.width);
if ((property4.floatValue - property7.floatValue) <= num21)
{
property4.floatValue = property7.floatValue;
}
else if ((property8.floatValue - property4.floatValue) <= num21)
{
property4.floatValue = property8.floatValue;
}
this.SetMinMaxThresholds();
}
break;
}
break;
case EventType.Repaint:
{
styles.background.Draw(area, GUIContent.none, false, false, false, false);
if (this.m_Childs.arraySize < 2)
{
GUI.Label(area, EditorGUIUtility.TempContent("Please Add Motion Fields or Blend Trees"), styles.errorStyle);
break;
}
for (int m = 0; m < values.Length; m++)
{
float min = (m != 0) ? values[m - 1] : values[m];
float max = (m != (values.Length - 1)) ? values[m + 1] : values[m];
bool selected = this.m_ReorderableList.index == m;
this.DrawAnimation(values[m], min, max, selected, area);
}
Color color = Handles.color;
Handles.color = new Color(0f, 0f, 0f, 0.25f);
Handles.DrawLine(new Vector3(area.x, area.y + area.height, 0f), new Vector3(area.x + area.width, area.y + area.height, 0f));
Handles.color = color;
styles.blendPosition.Draw(position, GUIContent.none, false, false, false, false);
break;
}
}
}
