// Handle events when mouse point enter or leaves the SceneView
void ProcessMouseEnterLeaveSceneview()
{
// If mouse enters SceneView window, show visualizer
if (Event.current.type == EventType.MouseEnterWindow)
{
MAST_Placement_Visualizer.SetVisualizerVisibility(true);
}
// If mouse leaves SceneView window
else if (Event.current.type == EventType.MouseLeaveWindow)
{
// Hide visualizer
MAST_Placement_Visualizer.SetVisualizerVisibility(false);
// Stop any drawing
if (drawing)
{
drawing = false;
}
// Stop any painting
if (painting)
{
MAST_Placement_PaintArea.DeletePaintArea();
painting = false;
}
// Stop any erasing
if (erasing)
{
erasing = false;
}
}
}
// ---------------------------------------------------------------------------
// Clean-up
// ---------------------------------------------------------------------------
private void CleanUpInterface()
{
//Debug.Log("Cleaning Up Interface");
// Remove SceneView delegate
#if UNITY_2019_1_OR_NEWER
SceneView.duringSceneGui -= this.OnScene;
#else
SceneView.onSceneGUIDelegate -= this.OnScene;
#endif
// Delete placement grid
MAST_Grid_Manager.DestroyGrid();
// Deselect palette item and delete visualizer
MAST_Palette.selectedItemIndex = -1;
MAST_Placement_Visualizer.RemoveVisualizer();
// Deselect draw tool and change placement mode to none
MAST_Settings.gui.toolbar.selectedDrawToolIndex = -1;
MAST_Placement_Interface.ChangePlacementMode(MAST_Placement_Interface.PlacementMode.None);
// Cancel any drawing or painting
drawing = false;
painting = false;
erasing = false;
MAST_Placement_PaintArea.DeletePaintArea();
}
// ---------------------------------------------------------------------------
#region SceneView
// ---------------------------------------------------------------------------
private void OnScene(SceneView sceneView)
{
// Exit now if game is playing
//if (inPlayMode)
// return;
// Handle SceneView GUI
SceneviewGUI(sceneView);
// Handle view focus
ProcessMouseEnterLeaveSceneview();
// Process HotKeys and repaint all views if any changes were made
if (HotKeys.ProcessHotkeys())
{
UnityEditorInternal.InternalEditorUtility.RepaintAllViews();
}
// If draw tool was deselected by a hotkey
if (MAST_Settings.gui.toolbar.selectedDrawToolIndex != 1)
{
// Stop any drawing
if (drawing)
{
drawing = false;
}
}
// If paint area tool was deselected by a hotkey
if (MAST_Settings.gui.toolbar.selectedDrawToolIndex != 2)
{
// Stop any painting
if (painting)
{
MAST_Placement_PaintArea.DeletePaintArea();
painting = false;
}
}
// If erase tool was deselected by a hotkey
if (MAST_Settings.gui.toolbar.selectedDrawToolIndex != 4)
{
// Stop any erasing
if (erasing)
{
erasing = false;
}
}
// If a palette item is selected or erase tool is selected, handle object placement
if (MAST_Palette.selectedItemIndex > -1 ||
MAST_Settings.gui.toolbar.selectedDrawToolIndex == 4)
{
ObjectPlacement();
}
}
// ---------------------------------------------------------------------------
// Clean-up
// ---------------------------------------------------------------------------
private void CleanUpInterface()
{
//Debug.Log("Cleaning Up Interface");
// Delete placement grid
MAST_Grid_Manager.DestroyGrid();
// Deselect palette item and delete visualizer
MAST_Palette.selectedItemIndex = -1;
MAST_Placement_Visualizer.RemoveVisualizer();
// Deselect draw tool and change placement mode to none
MAST_Settings.gui.toolbar.selectedDrawToolIndex = -1;
MAST_Placement_Interface.ChangePlacementMode(MAST_Placement_Interface.PlacementMode.None);
// Cancel any drawing or painting
drawing = false;
painting = false;
erasing = false;
MAST_Placement_PaintArea.DeletePaintArea();
}
// Handle object placement
private void ObjectPlacement()
{
// Get mouse events for object placement when in the Scene View
Event currentEvent = Event.current;
// Change position of visualizer
MAST_Placement_Visualizer.UpdateVisualizerPosition();
switch (MAST_Settings.gui.toolbar.selectedDrawToolIndex)
{
// Draw single tool
case 0:
// Randomizer tool
case 3:
// If left mouse button was clicked
if (currentEvent.type == EventType.MouseDown && currentEvent.button == 0)
{
// Keep mouseclick from selecting other objects
GUIUtility.hotControl = GUIUtility.GetControlID(FocusType.Passive);
Event.current.Use();
// Place selected prefab on grid
MAST_Placement_Place.PlacePrefabInScene();
}
break;
// Draw continuous tool
case 1:
// If not already drawing and the left mouse button pressed
if (!drawing)
{
if (currentEvent.type == EventType.MouseDown && currentEvent.button == 0)
{
// Start drawing
drawing = true;
// Keep mouseclick from selecting other objects
GUIUtility.hotControl = GUIUtility.GetControlID(FocusType.Passive);
Event.current.Use();
}
}
// If drawing and left mouse button not released
if (drawing)
{
// Place selected prefab on grid
MAST_Placement_Place.PlacePrefabInScene();
// If left mouse button released
if (currentEvent.type == EventType.MouseUp && currentEvent.button == 0)
{
drawing = false;
}
}
break;
// Paint area tool
case 2:
// If not already painting and the left mouse button pressed
if (!painting)
{
if (currentEvent.type == EventType.MouseDown && currentEvent.button == 0)
{
// Start drawing
painting = true;
// Start paint area at current mouse location
MAST_Placement_PaintArea.StartPaintArea();
// Keep mouseclick from selecting other objects
GUIUtility.hotControl = GUIUtility.GetControlID(FocusType.Passive);
Event.current.Use();
}
}
// If drawing and left mouse button not released
if (painting)
{
// Update the paint area as the mouse moves
MAST_Placement_PaintArea.UpdatePaintArea();
// If left mouse button released
if (currentEvent.type == EventType.MouseUp && currentEvent.button == 0)
{
MAST_Placement_PaintArea.CompletePaintArea();
painting = false;
}
}
break;
// Erase tool
case 4:
// If not already erasing and the left mouse button pressed
if (!erasing)
{
if (currentEvent.type == EventType.MouseDown && currentEvent.button == 0)
{
// Start drawing
erasing = true;
// Keep mouseclick from selecting other objects
GUIUtility.hotControl = GUIUtility.GetControlID(FocusType.Passive);
Event.current.Use();
}
}
// If erasing and left mouse button not released
if (erasing)
{
// Place selected prefab on grid
MAST_Placement_Interface.ErasePrefab();
// If left mouse button released
if (currentEvent.type == EventType.MouseUp && currentEvent.button == 0)
{
erasing = false;
}
}
break;
}
}
// ---------------------------------------------------------------------------
#region Change Placement Mode
// ---------------------------------------------------------------------------
public static void ChangePlacementMode(PlacementMode newPlacementMode)
{
// Get new selected Draw Tool
placementMode = newPlacementMode;
// Remove any previous visualizer
MAST_Placement_Visualizer.RemoveVisualizer();
// --------------------------------
// Create Visualizer
// --------------------------------
// If changed tool to Nothing or Eraser
if (placementMode == PlacementMode.None || placementMode == PlacementMode.Erase)
{
// Deselect any item in the palette
MAST_Palette.selectedItemIndex = -1;
// If changed tool to Eraser
if (placementMode == PlacementMode.Erase)
{
// Create eraser visualizer
ChangePrefabToEraser();
}
// If changed tool to Nothing, remove the visualizer
else
{
MAST_Placement_Visualizer.RemoveVisualizer();
}
}
// If changed tool to Draw Single, Draw Continuous, Paint Area, or Randomizer
else
{
// If a palette item is selected
if (MAST_Palette.selectedItemIndex != -1)
{
// Create visualizer from selected item in the palette
ChangeSelectedPrefab();
// If changed tool to Randomizer
if (placementMode == PlacementMode.Randomize)
{
// Make a new random seed
MAST_Placement_Randomizer.GenerateNewRandomSeed();
}
}
}
// If Draw Continuous nor Paint Area tools are selected
if (placementMode != PlacementMode.DrawContinuous &&
placementMode != PlacementMode.PaintArea)
{
// Delete last saved position
MAST_Placement_Place.lastPosition = Vector3.positiveInfinity;
// Remove any paint area visualization
MAST_Placement_PaintArea.DeletePaintArea();
}
}
