public void OnSceneGUI()
{
if (SceneUpdater.IsActive)
{
//Repaint Inspector in order to update movement changes of the doors
Repaint();
//Check if the selected object has been deleted
if (doorDefinitions.doors.Count == 0)
{
selectedDoor = null;
}
//Autoselect new door
//This will also result in initial clamping, see below
if (newDoorCreated)
{
selectedDoor = doorDefinitions.doors [doorDefinitions.doors.Count - 1];
newDoorCreated = false;
}
//Display doors as rectangle, color them red if selected
//It seems like Handles have the limitation of having only floats as size input
//Therefore I only support doors with same height / width, sadly
foreach (DoorDefinition door in doorDefinitions.doors)
{
Handles.color = (door == selectedDoor) ? Color.red : Color.blue;
if (Handles.Button(door.WorkingPosition, Quaternion.LookRotation(door.Direction), door.Extends.x, door.Extends.x, Handles.RectangleHandleCap))
{
selectedDoor = door;
}
if (SceneUpdater.HideGizmos)
{
Handles.Label(door.Position, door.Name);
}
}
//Handle logic for selected door
if (selectedDoor == null)
{
doorDefinitions.DraggingDoor = null;
}
else
{
//Chewing gum effect. The handles are using the working position of the doors
//Since also the offset is changed (below) the actual position of the door is bein calculated regardless
//When releasing the mouse, set the working position to the current, calculated position
//They may differ, since the working position is NOT aligned to the grid
if (Event.current.type == EventType.MouseDown)
{
doorDefinitions.DraggingDoor = selectedDoor;
}
if (Event.current.type == EventType.MouseUp)
{
doorDefinitions.DraggingDoor = null;
doorDefinitions.AdjustWorkingPosition(selectedDoor);
}
Vector3 horHandleDir = Vector3.Cross(Vector3.up, selectedDoor.Direction);
if (horHandleDir.magnitude == 0f)
{
selectedDoor = null;
return;
}
float sliderSize = HandleUtility.GetHandleSize(selectedDoor.WorkingPosition) * 1.5f;
//Draw Move Arrows, use Normal in order to point it at the right direction
Handles.color = horHandleDir.normalized == Vector3.right || horHandleDir.normalized == Vector3.left ? Color.red : Color.blue;
selectedDoor.WorkingPosition = Handles.Slider(selectedDoor.WorkingPosition, horHandleDir, selectedDoor.Extends.x * sliderSize, Handles.ArrowHandleCap, 1f);
Handles.color = Color.green;
selectedDoor.WorkingPosition = Handles.Slider(selectedDoor.WorkingPosition, Vector3.up, selectedDoor.Extends.y * sliderSize, Handles.ArrowHandleCap, 1f);
//Eventhough the position is already being clamped in the preview function of doorsPositions,
//This clamp is important since several frames may pass before the next call of preview
doorDefinitions.ClampPosition(selectedDoor);
//Calculate Offset to the selected corner. Essential for docking
//DoorDefinitions later calculates the position from the corner pos and offset
selectedDoor.Offset = selectedDoor.WorkingPosition - doorDefinitions.AbstractBounds.Corners[selectedDoor.CornerIndex];
doorDefinitions.UpdateYOffset(selectedDoor.Offset.y);
//Uniform handle size factor
float directionHandleSize = HandleUtility.GetHandleSize(selectedDoor.WorkingPosition) * 0.8f;
//Get one of four directions. The direction represent the wall the door is locked to.
Vector3 newDirection = EditorGUIExtension.DirectionHandleVec(selectedDoor.WorkingPosition, directionHandleSize, selectedDoor.Direction, new Vector3(1f, 0f, 1f));
if (newDirection != selectedDoor.Direction)
{
selectedDoor.Direction = newDirection;
//Default docking corner is at index one, bottom middle. See AbstractBounds for corner indices.
selectedDoor.CornerIndex = doorDefinitions.AbstractBounds.CornerIndicesByDirection(newDirection) [1];
selectedDoor.Position = doorDefinitions.AbstractBounds.Corners [selectedDoor.CornerIndex];
doorDefinitions.ClampPosition(selectedDoor);
doorDefinitions.AdjustWorkingPosition(selectedDoor);
}
//Retrieve all corner positions belonging to a certain wall defined by a direction vector
int[] indices = doorDefinitions.AbstractBounds.CornerIndicesByDirection(selectedDoor.Direction);
//Draw docking buttons
foreach (int i in indices)
{
float dockHandleSize = HandleUtility.GetHandleSize(doorDefinitions.AbstractBounds.Corners[i]) * 0.1f;
if (Handles.Button(doorDefinitions.AbstractBounds.Corners [i], Quaternion.identity, dockHandleSize, dockHandleSize, Handles.DotHandleCap))
{
selectedDoor.Position = doorDefinitions.AbstractBounds.Corners [i];
selectedDoor.Offset = Vector2.up * doorDefinitions.GlobalYOffset;
selectedDoor.CornerIndex = i;
ApplyCornerHeight(i);
doorDefinitions.AdjustWorkingPosition(selectedDoor);
}
}
}
}
}