private static Vector3 MoveHandlesGUI(Rect rect, Vector3 pivot, Quaternion rotation)
{
int controlID = GUIUtility.GetControlID(RectTool.s_MoveHandleHash, FocusType.Passive);
Vector3 vector = pivot;
float num = HandleUtility.GetHandleSize(pivot) * 0.2f;
float num2 = 1f - GUI.color.a;
Vector3[] array = new Vector3[]
{
rotation *new Vector2(rect.x, rect.y) + pivot,
rotation *new Vector2(rect.xMax, rect.y) + pivot,
rotation *new Vector2(rect.xMax, rect.yMax) + pivot,
rotation *new Vector2(rect.x, rect.yMax) + pivot
};
VertexSnapping.HandleKeyAndMouseMove(controlID);
bool flag = Selection.transforms.Length == 1 && InternalEditorUtility.SupportsRectLayout(Selection.activeTransform) && Selection.activeTransform.parent.rotation == rotation;
Event current = Event.current;
EventType typeForControl = current.GetTypeForControl(controlID);
Plane plane = new Plane(array[0], array[1], array[2]);
switch (typeForControl)
{
case EventType.MouseDown:
{
bool flag2 = Tools.vertexDragging || (current.button == 0 && current.modifiers == EventModifiers.None && RectHandles.RaycastGUIPointToWorldHit(current.mousePosition, plane, out RectTool.s_StartMouseWorldPos) && (RectTool.SceneViewDistanceToRectangle(array, current.mousePosition) == 0f || (num2 > 0f && RectTool.SceneViewDistanceToDisc(pivot, rotation * Vector3.forward, num, current.mousePosition) == 0f)));
if (flag2)
{
RectTool.s_StartPosition = pivot;
RectTool.s_StartMousePos = (RectTool.s_CurrentMousePos = current.mousePosition);
RectTool.s_Moving = false;
RectTool.s_LockAxis = -1;
int num3 = controlID;
GUIUtility.keyboardControl = num3;
GUIUtility.hotControl = num3;
EditorGUIUtility.SetWantsMouseJumping(1);
HandleUtility.ignoreRaySnapObjects = null;
current.Use();
if (flag)
{
Transform activeTransform = Selection.activeTransform;
RectTransform component = activeTransform.GetComponent <RectTransform>();
Transform parent = activeTransform.parent;
RectTransform component2 = parent.GetComponent <RectTransform>();
RectTool.s_StartRectPosition = component.anchoredPosition;
RectTransformSnapping.CalculatePositionSnapValues(parent, activeTransform, component2, component);
}
}
break;
}
case EventType.MouseUp:
if (GUIUtility.hotControl == controlID)
{
if (!RectTool.s_Moving)
{
Selection.activeGameObject = SceneViewPicking.PickGameObject(current.mousePosition);
}
GUIUtility.hotControl = 0;
EditorGUIUtility.SetWantsMouseJumping(0);
HandleUtility.ignoreRaySnapObjects = null;
current.Use();
}
break;
case EventType.MouseDrag:
if (GUIUtility.hotControl == controlID)
{
RectTool.s_CurrentMousePos += current.delta;
if (!RectTool.s_Moving && (RectTool.s_CurrentMousePos - RectTool.s_StartMousePos).magnitude > 3f)
{
RectTool.s_Moving = true;
RectHandles.RaycastGUIPointToWorldHit(RectTool.s_CurrentMousePos, plane, out RectTool.s_StartMouseWorldPos);
}
if (RectTool.s_Moving)
{
if (Tools.vertexDragging)
{
if (HandleUtility.ignoreRaySnapObjects == null)
{
Handles.SetupIgnoreRaySnapObjects();
}
Vector3 vector2;
if (HandleUtility.FindNearestVertex(RectTool.s_CurrentMousePos, null, out vector2))
{
vector = vector2;
GUI.changed = true;
}
ManipulationToolUtility.minDragDifference = Vector2.zero;
}
else
{
ManipulationToolUtility.SetMinDragDifferenceForPos(pivot);
Vector3 a;
if (RectHandles.RaycastGUIPointToWorldHit(RectTool.s_CurrentMousePos, plane, out a))
{
Vector3 vector3 = a - RectTool.s_StartMouseWorldPos;
if (current.shift)
{
vector3 = Quaternion.Inverse(rotation) * vector3;
if (RectTool.s_LockAxis == -1)
{
RectTool.s_LockAxis = ((Mathf.Abs(vector3.x) <= Mathf.Abs(vector3.y)) ? 1 : 0);
}
vector3[1 - RectTool.s_LockAxis] = 0f;
vector3 = rotation * vector3;
}
else
{
RectTool.s_LockAxis = -1;
}
if (flag)
{
Transform parent2 = Selection.activeTransform.parent;
Vector3 vector4 = RectTool.s_StartRectPosition + parent2.InverseTransformVector(vector3);
vector4.z = 0f;
Quaternion rotation2 = Quaternion.Inverse(rotation);
Vector2 snapDistance = Vector2.one * HandleUtility.GetHandleSize(vector) * 0.05f;
snapDistance.x /= (rotation2 * parent2.TransformVector(Vector3.right)).x;
snapDistance.y /= (rotation2 * parent2.TransformVector(Vector3.up)).y;
Vector3 vector5 = RectTransformSnapping.SnapToGuides(vector4, snapDistance);
ManipulationToolUtility.DisableMinDragDifferenceBasedOnSnapping(vector4, vector5);
vector3 = parent2.TransformVector(vector5 - RectTool.s_StartRectPosition);
}
vector = RectTool.s_StartPosition + vector3;
GUI.changed = true;
}
}
}
current.Use();
}
break;
case EventType.Repaint:
if (Tools.vertexDragging)
{
RectHandles.RectScalingCap(controlID, pivot, rotation, 1f);
}
else
{
Handles.color = Handles.secondaryColor * new Color(1f, 1f, 1f, 1.5f * num2);
Handles.CircleCap(controlID, pivot, rotation, num);
Handles.color = Handles.secondaryColor * new Color(1f, 1f, 1f, 0.3f * num2);
Handles.DrawSolidDisc(pivot, rotation * Vector3.forward, num);
}
break;
}
ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingPosX", typeForControl);
ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingLeft", typeForControl);
ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingRight", typeForControl);
ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingPosY", typeForControl);
ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingTop", typeForControl);
ManipulationToolUtility.DetectDraggingBasedOnMouseDownUp("ChangingBottom", typeForControl);
return(vector);
}
