394 lines
14 KiB
C#
394 lines
14 KiB
C#
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using System;
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using System.Reflection;
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using UnityEditorInternal;
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using UnityEngine;
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using UnityEngine.Tilemaps;
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using Object = UnityEngine.Object;
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namespace UnityEditor.Tilemaps
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{
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internal class PaintableSceneViewGrid : PaintableGrid
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{
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private Transform gridTransform { get { return grid != null ? grid.transform : null; } }
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private Grid grid { get { return brushTarget != null ? brushTarget.GetComponentInParent<Grid>() : (Selection.activeGameObject != null ? Selection.activeGameObject.GetComponentInParent<Grid>() : null); } }
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private GridBrushBase gridBrush { get { return GridPaintingState.gridBrush; } }
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private SceneView activeSceneView;
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private int sceneViewTransformHash;
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private GameObject brushTarget
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{
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get { return GridPaintingState.scenePaintTarget; }
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}
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public Tilemap tilemap
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{
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get
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{
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if (brushTarget != null)
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{
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return brushTarget.GetComponent<Tilemap>();
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}
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return null;
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}
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}
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protected override void OnEnable()
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{
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base.OnEnable();
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SceneView.duringSceneGui += OnSceneGUI;
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Undo.undoRedoPerformed += UndoRedoPerformed;
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GridSelection.gridSelectionChanged += OnGridSelectionChanged;
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}
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protected override void OnDisable()
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{
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SceneView.duringSceneGui -= OnSceneGUI;
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Undo.undoRedoPerformed -= UndoRedoPerformed;
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GridSelection.gridSelectionChanged -= OnGridSelectionChanged;
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base.OnDisable();
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}
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private void OnGridSelectionChanged()
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{
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SceneView.RepaintAll();
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}
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private Rect GetSceneViewPositionRect(SceneView sceneView)
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{
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return new Rect(0, 0, sceneView.position.width, sceneView.position.height);
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}
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public void OnSceneGUI(SceneView sceneView)
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{
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HandleMouseEnterLeave(sceneView);
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CallOnSceneGUI();
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// Case 1093801: Handle only the currently active scene view
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if (sceneView != activeSceneView)
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return;
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// Case 1077400: SceneView camera transform changes may update the mouse grid position even though the mouse position has not changed
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var currentSceneViewTransformHash = sceneView.camera.transform.localToWorldMatrix.GetHashCode();
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UpdateMouseGridPosition(currentSceneViewTransformHash != sceneViewTransformHash);
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sceneViewTransformHash = currentSceneViewTransformHash;
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var dot = 1.0f;
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var gridView = GetGridView();
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if (gridView != null)
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{
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dot = Math.Abs(Vector3.Dot(sceneView.camera.transform.forward, Grid.Swizzle(gridView.cellSwizzle, gridView.transform.forward)));
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}
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// Case 1021655: Validate that grid is not totally parallel to view (+-5 degrees), otherwise tiles could be accidentally painted on large positions
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if (dot > 0.1f)
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{
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base.OnGUI();
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if (InGridEditMode())
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{
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if ((grid != null) && (GridPaintingState.activeGrid == this || GridSelection.active))
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{
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CallOnPaintSceneGUI();
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}
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if (Event.current.type == EventType.Repaint)
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EditorGUIUtility.AddCursorRect(GetSceneViewPositionRect(sceneView), MouseCursor.CustomCursor);
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}
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}
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}
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private void HandleMouseEnterLeave(SceneView sceneView)
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{
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if (inEditMode)
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{
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if (Event.current.type == EventType.MouseEnterWindow)
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{
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OnMouseEnter(sceneView);
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}
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else if (Event.current.type == EventType.MouseLeaveWindow)
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{
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OnMouseLeave(sceneView);
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}
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// Case 1043365: When docked, the docking area is considered part of the window and MouseEnter/LeaveWindow events are not considered when entering the docking area
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else if (sceneView.docked)
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{
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var guiPoint = Event.current.mousePosition;
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var sceneViewPosition = GetSceneViewPositionRect(sceneView);
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if (sceneViewPosition.Contains(guiPoint))
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{
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if (GridPaintingState.activeGrid != this)
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{
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OnMouseEnter(sceneView);
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}
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}
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else if (activeSceneView == sceneView)
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{
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if (GridPaintingState.activeGrid == this)
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{
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OnMouseLeave(sceneView);
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}
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}
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}
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}
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}
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private void OnMouseEnter(SceneView sceneView)
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{
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if (GridPaintingState.activeBrushEditor != null)
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GridPaintingState.activeBrushEditor.OnMouseEnter();
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GridPaintingState.activeGrid = this;
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activeSceneView = sceneView;
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UpdateMouseGridPosition(true);
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ResetPreviousMousePositionToCurrentPosition();
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}
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private void OnMouseLeave(SceneView sceneView)
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{
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if (GridPaintingState.activeBrushEditor != null)
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GridPaintingState.activeBrushEditor.OnMouseLeave();
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GridPaintingState.activeGrid = null;
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activeSceneView = null;
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}
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private void UndoRedoPerformed()
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{
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RefreshAllTiles();
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}
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private void RefreshAllTiles()
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{
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if (tilemap != null)
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tilemap.RefreshAllTiles();
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}
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protected override void RegisterUndo()
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{
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if (GridPaintingState.activeBrushEditor != null)
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{
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GridPaintingState.activeBrushEditor.RegisterUndo(brushTarget, EditTypeToBrushTool(UnityEditor.EditorTools.ToolManager.activeToolType));
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}
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}
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protected override void Paint(Vector3Int position)
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{
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if (grid != null)
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gridBrush.Paint(grid, brushTarget, position);
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}
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protected override void Erase(Vector3Int position)
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{
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if (grid != null)
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gridBrush.Erase(grid, brushTarget, position);
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}
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protected override void BoxFill(BoundsInt position)
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{
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if (grid != null)
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gridBrush.BoxFill(grid, brushTarget, position);
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}
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protected override void BoxErase(BoundsInt position)
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{
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if (grid != null)
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gridBrush.BoxErase(grid, brushTarget, position);
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}
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protected override void FloodFill(Vector3Int position)
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{
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if (grid != null)
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gridBrush.FloodFill(grid, brushTarget, position);
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}
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protected override void PickBrush(BoundsInt position, Vector3Int pickStart)
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{
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if (grid != null)
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gridBrush.Pick(grid, brushTarget, position, pickStart);
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}
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protected override void Select(BoundsInt position)
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{
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if (grid != null)
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{
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GridSelection.Select(brushTarget, position);
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gridBrush.Select(grid, brushTarget, position);
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}
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}
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protected override void Move(BoundsInt from, BoundsInt to)
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{
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if (grid != null)
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gridBrush.Move(grid, brushTarget, from, to);
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}
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protected override void MoveStart(BoundsInt position)
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{
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if (grid != null)
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gridBrush.MoveStart(grid, brushTarget, position);
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}
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protected override void MoveEnd(BoundsInt position)
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{
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if (grid != null)
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gridBrush.MoveEnd(grid, brushTarget, position);
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}
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protected override bool CustomTool(bool isHotControl, TilemapEditorTool tool, Vector3Int position)
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{
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var executed = false;
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if (grid != null)
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{
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executed = tool.HandleTool(isHotControl, grid, brushTarget, position);
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}
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return executed;
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}
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protected override void OnEditStart()
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{
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if (GridPaintingState.activeBrushEditor != null && grid != null)
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GridPaintingState.activeBrushEditor.OnEditStart(grid, brushTarget);
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}
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protected override void OnEditEnd()
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{
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if (GridPaintingState.activeBrushEditor != null && grid != null)
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GridPaintingState.activeBrushEditor.OnEditEnd(grid, brushTarget);
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}
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protected override void ClearGridSelection()
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{
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GridSelection.Clear();
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}
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public override bool isActive => grid != null;
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public override void Repaint()
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{
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SceneView.RepaintAll();
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}
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protected override bool ValidateFloodFillPosition(Vector3Int position)
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{
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return true;
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}
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protected override Vector2Int ScreenToGrid(Vector2 screenPosition)
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{
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if (tilemap != null)
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{
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var transform = tilemap.transform;
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Plane plane = new Plane(GetGridForward(tilemap), transform.position);
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Vector3Int cell = LocalToGrid(tilemap, GridEditorUtility.ScreenToLocal(transform, screenPosition, plane));
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return new Vector2Int(cell.x, cell.y);
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}
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if (grid != null)
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{
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Vector3Int cell = LocalToGrid(grid, GridEditorUtility.ScreenToLocal(gridTransform, screenPosition, GetGridPlane(grid)));
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return new Vector2Int(cell.x, cell.y);
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}
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return Vector2Int.zero;
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}
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protected override bool PickingIsDefaultTool()
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{
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return false;
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}
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protected override bool CanPickOutsideEditMode()
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{
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return false;
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}
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protected override GridLayout.CellLayout CellLayout()
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{
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return grid.cellLayout;
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}
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Vector3Int LocalToGrid(GridLayout gridLayout, Vector3 local)
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{
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return gridLayout.LocalToCell(local);
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}
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private Vector3 GetGridForward(GridLayout gridLayout)
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{
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switch (gridLayout.cellSwizzle)
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{
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case GridLayout.CellSwizzle.XYZ:
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return gridLayout.transform.forward * -1f;
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case GridLayout.CellSwizzle.XZY:
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return gridLayout.transform.up * -1f;
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case GridLayout.CellSwizzle.YXZ:
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return gridLayout.transform.forward;
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case GridLayout.CellSwizzle.YZX:
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return gridLayout.transform.up;
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case GridLayout.CellSwizzle.ZXY:
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return gridLayout.transform.right;
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case GridLayout.CellSwizzle.ZYX:
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return gridLayout.transform.right * -1f;
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}
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return gridLayout.transform.forward * -1f;
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}
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private Plane GetGridPlane(Grid grid)
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{
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return new Plane(GetGridForward(grid), grid.transform.position);
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}
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private GridLayout GetGridView()
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{
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if (tilemap != null)
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return tilemap;
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if (grid != null)
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return grid;
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return null;
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}
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void CallOnPaintSceneGUI()
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{
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bool hasSelection = GridSelection.active && GridSelection.target == brushTarget;
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if (!hasSelection && GridPaintingState.activeGrid != this)
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return;
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RectInt rect = new RectInt(mouseGridPosition, new Vector2Int(1, 1));
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if (m_MarqueeStart.HasValue)
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rect = GridEditorUtility.GetMarqueeRect(mouseGridPosition, m_MarqueeStart.Value);
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else if (hasSelection)
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rect = new RectInt(GridSelection.position.xMin, GridSelection.position.yMin, GridSelection.position.size.x, GridSelection.position.size.y);
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var layoutGrid = tilemap != null ? tilemap.layoutGrid : grid as GridLayout;
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BoundsInt brushBounds = new BoundsInt(new Vector3Int(rect.x, rect.y, zPosition), new Vector3Int(rect.width, rect.height, 1));
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if (GridPaintingState.activeBrushEditor != null)
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{
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GridPaintingState.activeBrushEditor.OnPaintSceneGUI(layoutGrid, brushTarget, brushBounds
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, EditTypeToBrushTool(UnityEditor.EditorTools.ToolManager.activeToolType), m_MarqueeStart.HasValue || executing);
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}
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else // Fallback when user hasn't defined custom editor
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{
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GridBrushEditorBase.OnPaintSceneGUIInternal(layoutGrid, brushTarget, brushBounds
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, EditTypeToBrushTool(UnityEditor.EditorTools.ToolManager.activeToolType), m_MarqueeStart.HasValue || executing);
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}
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}
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void CallOnSceneGUI()
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{
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var gridLayout = tilemap != null ? tilemap : grid as GridLayout;
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bool hasSelection = GridSelection.active && GridSelection.target == brushTarget;
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if (GridPaintingState.activeBrushEditor != null)
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{
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GridPaintingState.activeBrushEditor.OnSceneGUI(gridLayout, brushTarget);
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if (hasSelection)
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{
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GridPaintingState.activeBrushEditor.OnSelectionSceneGUI(gridLayout, brushTarget);
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}
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}
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if (hasSelection)
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{
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RectInt rect = new RectInt(GridSelection.position.xMin, GridSelection.position.yMin, GridSelection.position.size.x, GridSelection.position.size.y);
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BoundsInt brushBounds = new BoundsInt(new Vector3Int(rect.x, rect.y, zPosition), new Vector3Int(rect.width, rect.height, 1));
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GridBrushEditorBase.OnSceneGUIInternal(gridLayout, brushTarget, brushBounds
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, EditTypeToBrushTool(UnityEditor.EditorTools.ToolManager.activeToolType), m_MarqueeStart.HasValue || executing);
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}
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}
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}
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}
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