1025 lines
46 KiB
C#
1025 lines
46 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEditor.EditorTools;
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using UnityEngine;
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using UnityEngine.Tilemaps;
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using UnityEditor.SceneManagement;
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using UnityEngine.Scripting.APIUpdating;
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using Object = UnityEngine.Object;
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namespace UnityEditor.Tilemaps
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{
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/// <summary>Editor for GridBrush.</summary>
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[MovedFrom(true, "UnityEditor", "UnityEditor")]
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[CustomEditor(typeof(GridBrush))]
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public class GridBrushEditor : GridBrushEditorBase
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{
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private static class Styles
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{
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public static readonly GUIContent tileLabel = EditorGUIUtility.TrTextContent("Tile", "Tile set in tilemap");
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public static readonly GUIContent spriteLabel = EditorGUIUtility.TrTextContent("Sprite", "Sprite set when tile is set in tilemap");
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public static readonly GUIContent colorLabel = EditorGUIUtility.TrTextContent("Color", "Color set when tile is set in tilemap");
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public static readonly GUIContent colliderTypeLabel = EditorGUIUtility.TrTextContent("Collider Type", "Collider shape used for tile");
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public static readonly GUIContent gameObjectToInstantiateLabel = EditorGUIUtility.TrTextContent("GameObject to Instantiate", "GameObject to instantiate for tile");
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public static readonly GUIContent lockColorLabel = EditorGUIUtility.TrTextContent("Lock Color", "Prevents tilemap from changing color of tile");
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public static readonly GUIContent lockTransformLabel = EditorGUIUtility.TrTextContent("Lock Transform", "Prevents tilemap from changing transform of tile");
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public static readonly GUIContent gridSelectionPropertiesLabel = EditorGUIUtility.TrTextContent("Grid Selection Properties");
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public static readonly GUIContent modifyTilemapLabel = EditorGUIUtility.TrTextContent("Modify Tilemap");
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public static readonly GUIContent modifyLabel = EditorGUIUtility.TrTextContent("Modify");
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public static readonly GUIContent deleteSelectionLabel = EditorGUIUtility.TrTextContent("Delete Selection");
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public static readonly GUIContent offsetLabel = EditorGUIUtility.TrTextContent("Offset");
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public static readonly GUIContent rotationLabel = EditorGUIUtility.TrTextContent("Rotation");
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public static readonly GUIContent scaleLabel = EditorGUIUtility.TrTextContent("Scale");
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public static readonly GUIContent noTool =
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EditorGUIUtility.TrTextContentWithIcon("None", "No Gizmo in the Scene view", "RectTool");
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public static readonly GUIContent moveTool =
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EditorGUIUtility.TrTextContentWithIcon("Move", "Shows a Gizmo in the Scene view for changing the offset for the Grid Selection", "MoveTool");
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public static readonly GUIContent rotateTool =
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EditorGUIUtility.TrTextContentWithIcon("Rotate", "Shows a Gizmo in the Scene view for changing the rotation for the Grid Selection", "RotateTool");
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public static readonly GUIContent scaleTool =
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EditorGUIUtility.TrTextContentWithIcon("Scale", "Shows a Gizmo in the Scene view for changing the scale for the Grid Selection", "ScaleTool");
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public static readonly GUIContent transformTool =
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EditorGUIUtility.TrTextContentWithIcon("Transform", "Shows a Gizmo in the Scene view for changing the transform for the Grid Selection", "TransformTool");
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public static readonly GUIContent[] selectionTools = new[]
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{
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noTool
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, moveTool
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, rotateTool
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, scaleTool
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, transformTool
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};
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public static readonly Type[] selectionTypes = new[]
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{
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typeof(SelectTool)
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, typeof(GridSelectionMoveTool)
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, typeof(GridSelectionRotateTool)
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, typeof(GridSelectionScaleTool)
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, typeof(GridSelectionTransformTool)
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};
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public static readonly string tooltipText = L10n.Tr("Use this brush to paint and erase Tiles from a Tilemap.");
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public static readonly string iconPath = "Packages/com.unity.2d.tilemap/Editor/Icons/Tilemap.DefaultBrush.png";
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}
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/// <summary>
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/// Identifiers for operations modifying the Tilemap.
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/// </summary>
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public enum ModifyCells
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{
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/// <summary>
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/// Inserts a row at the target position.
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/// </summary>
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InsertRow,
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/// <summary>
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/// Inserts a column at the target position.
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/// </summary>
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InsertColumn,
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/// <summary>
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/// Inserts a row before the target position.
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/// </summary>
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InsertRowBefore,
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/// <summary>
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/// Inserts a column before the target position.
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/// </summary>
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InsertColumnBefore,
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/// <summary>
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/// Delete a row at the target position.
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/// </summary>
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DeleteRow,
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/// <summary>
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/// Delete a column at the target position.
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/// </summary>
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DeleteColumn,
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/// <summary>
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/// Delete a row before the target position.
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/// </summary>
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DeleteRowBefore,
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/// <summary>
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/// Delete a column before the target position.
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/// </summary>
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DeleteColumnBefore,
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}
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private class GridBrushProperties
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{
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public static readonly string floodFillPreviewEditorPref = "GridBrush.EnableFloodFillPreview";
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public static readonly string floodFillPreviewFillExtentsEditorPref = "GridBrush.FloodFillPreviewFillExtents";
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public static readonly string floodFillPreviewEraseExtentsEditorPref = "GridBrush.FloodFillPreviewEraseExtents";
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}
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internal static bool showFloodFillPreview
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{
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get => EditorPrefs.GetBool(GridBrushProperties.floodFillPreviewEditorPref, true);
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set => EditorPrefs.SetBool(GridBrushProperties.floodFillPreviewEditorPref, value);
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}
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internal static int floodFillPreviewFillExtents
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{
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get => Math.Max(0, EditorPrefs.GetInt(GridBrushProperties.floodFillPreviewFillExtentsEditorPref, 0));
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set => EditorPrefs.SetInt(GridBrushProperties.floodFillPreviewFillExtentsEditorPref, Math.Max(0, value));
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}
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internal static int floodFillPreviewEraseExtents
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{
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get => Math.Max(0, EditorPrefs.GetInt(GridBrushProperties.floodFillPreviewEraseExtentsEditorPref, 0));
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set => EditorPrefs.SetInt(GridBrushProperties.floodFillPreviewEraseExtentsEditorPref, Math.Max(0, value));
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}
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/// <summary>The GridBrush that is the target for this editor.</summary>
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public GridBrush brush { get { return target as GridBrush; } }
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private int m_LastPreviewRefreshHash;
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// These are used to clean out previews that happened on previous update
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private GridLayout m_LastGrid;
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private GameObject m_LastBrushTarget;
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private BoundsInt? m_LastBounds;
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private GridBrushBase.Tool? m_LastTool;
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// These are used to handle selection in Selection Inspector
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private TileBase[] m_SelectionTiles;
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private Color[] m_SelectionColors;
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// internal for tests
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internal Vector3[] m_SelectionPositions;
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internal Vector3[] m_SelectionEulerAngles;
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internal Vector3[] m_SelectionScales;
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private TileFlags[] m_SelectionFlagsArray;
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private Sprite[] m_SelectionSprites;
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private Tile.ColliderType[] m_SelectionColliderTypes;
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private GameObject[] m_SelectionGameObjectToInstantiate;
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private BoundsInt m_LastSelectionBounds;
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private int selectionCellCount => Math.Abs(GridSelection.position.size.x * GridSelection.position.size.y * GridSelection.position.size.z);
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// These are used to handle insert/delete cells on the Tilemap
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private int m_CellCount = 1;
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private ModifyCells m_ModifyCells = ModifyCells.InsertRow;
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private Texture2D m_Icon;
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private static GridSelectionTool[] s_GridSelectionTools;
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private static Tile s_EmptySpriteTile;
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/// <summary>
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/// Initializes the GridBrushEditor.
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/// </summary>
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protected virtual void OnEnable()
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{
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Undo.undoRedoPerformed += ClearLastPreview;
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if (s_GridSelectionTools == null || s_GridSelectionTools[0] == null)
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{
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s_GridSelectionTools = new GridSelectionTool[]
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{
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CreateInstance<GridSelectionMoveTool>(),
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CreateInstance<GridSelectionRotateTool>(),
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CreateInstance<GridSelectionScaleTool>(),
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CreateInstance<GridSelectionTransformTool>()
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};
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}
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if (s_EmptySpriteTile == null)
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{
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s_EmptySpriteTile = ScriptableObject.CreateInstance<Tile>();
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s_EmptySpriteTile.sprite = null;
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}
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}
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/// <summary>
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/// Deinitialises the GridBrushEditor.
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/// </summary>
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protected virtual void OnDisable()
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{
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Undo.undoRedoPerformed -= ClearLastPreview;
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ClearLastPreview();
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}
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private void ClearLastPreview()
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{
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ClearPreview();
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m_LastPreviewRefreshHash = 0;
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}
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/// <summary>Callback for painting the GUI for the GridBrush in the Scene View.</summary>
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/// <param name="gridLayout">Grid that the brush is being used on.</param>
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/// <param name="brushTarget">Target of the GridBrushBase::ref::Tool operation. By default the currently selected GameObject.</param>
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/// <param name="position">Current selected location of the brush.</param>
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/// <param name="tool">Current GridBrushBase::ref::Tool selected.</param>
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/// <param name="executing">Whether brush is being used.</param>
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public override void OnPaintSceneGUI(GridLayout gridLayout, GameObject brushTarget, BoundsInt position, GridBrushBase.Tool tool, bool executing)
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{
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BoundsInt gizmoRect = position;
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bool refreshPreviews = false;
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if (Event.current.type == EventType.Layout || Event.current.type == EventType.Repaint)
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{
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int newPreviewRefreshHash = GetHash(gridLayout, brushTarget, position, tool, brush);
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refreshPreviews = newPreviewRefreshHash != m_LastPreviewRefreshHash;
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if (refreshPreviews)
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m_LastPreviewRefreshHash = newPreviewRefreshHash;
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}
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if (tool == GridBrushBase.Tool.Move)
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{
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if (refreshPreviews && executing)
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{
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ClearPreview();
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PaintPreview(gridLayout, brushTarget, position.min);
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}
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}
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else if (tool == GridBrushBase.Tool.Paint || tool == GridBrushBase.Tool.Erase)
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{
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if (refreshPreviews)
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{
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ClearPreview();
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if (tool != GridBrushBase.Tool.Erase)
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{
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PaintPreview(gridLayout, brushTarget, position.min);
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}
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else
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{
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ErasePreview(gridLayout, brushTarget, position.min);
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}
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}
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gizmoRect = new BoundsInt(position.min - brush.pivot, brush.size);
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}
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else if (tool == GridBrushBase.Tool.Box)
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{
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if (refreshPreviews)
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{
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ClearPreview();
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BoxFillPreview(gridLayout, brushTarget, position);
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}
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}
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else if (tool == GridBrushBase.Tool.FloodFill)
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{
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if (refreshPreviews)
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{
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if (CheckFloodFillPreview(gridLayout, brushTarget, position.min))
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ClearPreview();
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FloodFillPreview(gridLayout, brushTarget, position.min);
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}
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}
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base.OnPaintSceneGUI(gridLayout, brushTarget, gizmoRect, tool, executing);
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}
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// True while the user is scrubbing or typing into an Inspector field.
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private static bool isEditingInInspector => GUIUtility.hotControl != 0 || EditorGUIUtility.editingTextField;
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internal void UpdateSelection(Tilemap tilemap)
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{
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var selection = GridSelection.position;
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var cellCount = selectionCellCount;
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bool reallocated = m_SelectionTiles == null || m_SelectionTiles.Length != cellCount;
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if (reallocated)
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{
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m_SelectionTiles = new TileBase[cellCount];
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m_SelectionColors = new Color[cellCount];
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m_SelectionPositions = new Vector3[cellCount];
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m_SelectionEulerAngles = new Vector3[cellCount];
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m_SelectionScales = new Vector3[cellCount];
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m_SelectionFlagsArray = new TileFlags[cellCount];
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m_SelectionSprites = new Sprite[cellCount];
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m_SelectionColliderTypes = new Tile.ColliderType[cellCount];
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m_SelectionGameObjectToInstantiate = new GameObject[cellCount];
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}
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bool selectionMoved = m_LastSelectionBounds != selection;
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m_LastSelectionBounds = selection;
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bool refreshTransforms = reallocated || selectionMoved || !isEditingInInspector;
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int index = 0;
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foreach (var p in selection.allPositionsWithin)
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{
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m_SelectionTiles[index] = tilemap.GetTile(p);
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m_SelectionColors[index] = tilemap.GetColor(p);
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m_SelectionFlagsArray[index] = tilemap.GetTileFlags(p);
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m_SelectionSprites[index] = tilemap.GetSprite(p);
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m_SelectionColliderTypes[index] = tilemap.GetColliderType(p);
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m_SelectionGameObjectToInstantiate[index] = tilemap.GetObjectToInstantiate(p);
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if (refreshTransforms)
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{
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var matrix = tilemap.GetTransformMatrix(p);
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m_SelectionPositions[index] = matrix.GetPosition();
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m_SelectionEulerAngles[index] = matrix.rotation.eulerAngles;
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m_SelectionScales[index] = matrix.lossyScale;
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}
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index++;
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}
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}
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internal void SetSelectionTransform(Tilemap tilemap, BoundsInt selection, int cellCount, Vector3 position, Vector3 eulerAngles, Vector3 scale)
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{
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if (!(float.IsFinite(position.x) && float.IsFinite(position.y) && float.IsFinite(position.z)
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&& float.IsFinite(eulerAngles.x) && float.IsFinite(eulerAngles.y) && float.IsFinite(eulerAngles.z)
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&& float.IsFinite(scale.x) && float.IsFinite(scale.y) && float.IsFinite(scale.z)))
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return;
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Undo.RecordObject(tilemap, "Edit Tilemap");
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var newTransformMatrix = Matrix4x4.TRS(position, Quaternion.Euler(eulerAngles), scale);
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for (int i = 0; i < cellCount; ++i)
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{
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m_SelectionPositions[i] = position;
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m_SelectionEulerAngles[i] = eulerAngles;
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m_SelectionScales[i] = scale;
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}
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foreach (var p in selection.allPositionsWithin)
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tilemap.SetTransformMatrix(p, newTransformMatrix);
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}
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/// <summary>Callback for drawing the Inspector GUI when there is an active GridSelection made in a Tilemap.</summary>
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public override void OnSelectionInspectorGUI()
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{
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var selection = GridSelection.position;
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var tilemap = GridSelection.target.GetComponent<Tilemap>();
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int cellCount = selectionCellCount;
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if (tilemap != null && cellCount > 0)
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{
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var canEditTilemap = !GridPaintingState.IsPartOfActivePalette(tilemap.gameObject) ||
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GridPaintingState.isPaletteEditable;
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base.OnSelectionInspectorGUI();
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if (canEditTilemap
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&& !EditorGUIUtility.editingTextField
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&& Event.current.type == EventType.KeyDown
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&& (Event.current.keyCode == KeyCode.Delete
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|| Event.current.keyCode == KeyCode.Backspace))
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{
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GUI.changed = true;
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DeleteSelection(tilemap, selection);
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Event.current.Use();
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}
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GUILayout.Space(10f);
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EditorGUILayout.LabelField(Styles.gridSelectionPropertiesLabel, EditorStyles.boldLabel);
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UpdateSelection(tilemap);
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EditorGUI.BeginChangeCheck();
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EditorGUI.showMixedValue = HasMixedValues(m_SelectionTiles);
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var position = new Vector3Int(selection.xMin, selection.yMin, selection.zMin);
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TileBase newTile = EditorGUILayout.ObjectField(Styles.tileLabel, tilemap.GetTile(position), typeof(TileBase), false) as TileBase;
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if (EditorGUI.EndChangeCheck())
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{
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Undo.RecordObject(tilemap, "Edit Tilemap");
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foreach (var p in selection.allPositionsWithin)
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tilemap.SetTile(p, newTile);
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}
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using (new EditorGUI.DisabledScope(true))
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{
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EditorGUI.showMixedValue = HasMixedValues(m_SelectionSprites);
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EditorGUILayout.ObjectField(Styles.spriteLabel, m_SelectionSprites[0], typeof(Sprite), false, GUILayout.Height(EditorGUI.kSingleLineHeight));
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}
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bool colorFlagsAllEqual = AllFlagsEqual(m_SelectionFlagsArray, TileFlags.LockColor);
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using (new EditorGUI.DisabledScope(!colorFlagsAllEqual || (m_SelectionFlagsArray[0] & TileFlags.LockColor) != 0))
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{
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EditorGUI.showMixedValue = HasMixedValues(m_SelectionColors);
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EditorGUI.BeginChangeCheck();
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Color newColor = EditorGUILayout.ColorField(Styles.colorLabel, m_SelectionColors[0]);
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if (EditorGUI.EndChangeCheck())
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{
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Undo.RecordObject(tilemap, "Edit Tilemap");
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foreach (var p in selection.allPositionsWithin)
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tilemap.SetColor(p, newColor);
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}
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}
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using (new EditorGUI.DisabledScope(true))
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{
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EditorGUI.showMixedValue = HasMixedValues(m_SelectionColliderTypes);
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EditorGUILayout.EnumPopup(Styles.colliderTypeLabel, m_SelectionColliderTypes[0]);
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EditorGUI.showMixedValue = HasMixedValues(m_SelectionGameObjectToInstantiate);
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EditorGUILayout.ObjectField(Styles.gameObjectToInstantiateLabel, m_SelectionGameObjectToInstantiate[0], typeof(GameObject), false);
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}
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bool transformFlagsAllEqual = AllFlagsEqual(m_SelectionFlagsArray, TileFlags.LockTransform);
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using (new EditorGUI.DisabledScope(!transformFlagsAllEqual || (m_SelectionFlagsArray[0] & TileFlags.LockTransform) != 0))
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{
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EditorGUI.showMixedValue = HasMixedValues(m_SelectionPositions)
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|| HasMixedValues(m_SelectionEulerAngles)
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|| HasMixedValues(m_SelectionScales);
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// Edit the base components directly. Keeping the raw scale Vector3 and Euler
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// angles avoids the Matrix4x4.lossyScale / Quaternion.eulerAngles round-trips,
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// which would flicker negative scales and rotations past 90 degrees while dragging.
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var newPosition = m_SelectionPositions[0];
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var newEulerAngles = m_SelectionEulerAngles[0];
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var newScale = m_SelectionScales[0];
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if (TransformMatrixOnGUI(ref newPosition, ref newEulerAngles, ref newScale))
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SetSelectionTransform(tilemap, selection, cellCount, newPosition, newEulerAngles, newScale);
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}
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var lockedTransform = (m_SelectionFlagsArray[0] & TileFlags.LockTransform) != 0;
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using (new EditorGUI.DisabledScope(true))
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{
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EditorGUI.showMixedValue = !colorFlagsAllEqual;
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EditorGUILayout.Toggle(Styles.lockColorLabel, (m_SelectionFlagsArray[0] & TileFlags.LockColor) != 0);
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EditorGUI.showMixedValue = !transformFlagsAllEqual;
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EditorGUILayout.Toggle(Styles.lockTransformLabel, lockedTransform);
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}
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EditorGUI.showMixedValue = false;
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if (GUILayout.Button(Styles.deleteSelectionLabel))
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{
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DeleteSelection(tilemap, selection);
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}
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EditorGUILayout.Space();
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EditorGUILayout.LabelField(Styles.modifyTilemapLabel, EditorStyles.boldLabel);
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EditorGUILayout.Space();
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var active = -1;
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for (var i = 0; i < Styles.selectionTypes.Length; ++i)
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{
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if (ToolManager.activeToolType == Styles.selectionTypes[i])
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{
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active = i;
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break;
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}
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}
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using (new EditorGUI.DisabledScope(lockedTransform))
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{
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EditorGUI.BeginChangeCheck();
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var selected = GUILayout.Toolbar(active, Styles.selectionTools);
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if (EditorGUI.EndChangeCheck() && selected != -1)
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{
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ToolManager.SetActiveTool(Styles.selectionTypes[selected]);
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}
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}
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EditorGUILayout.Space();
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GUILayout.BeginHorizontal();
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m_ModifyCells = (ModifyCells)EditorGUILayout.EnumPopup(m_ModifyCells);
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m_CellCount = EditorGUILayout.IntField(m_CellCount);
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if (GUILayout.Button(Styles.modifyLabel))
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{
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|
RegisterUndoForTilemap(tilemap, Enum.GetName(typeof(ModifyCells), m_ModifyCells));
|
|
switch (m_ModifyCells)
|
|
{
|
|
case ModifyCells.InsertRow:
|
|
{
|
|
tilemap.InsertCells(GridSelection.position.position, 0, m_CellCount, 0);
|
|
break;
|
|
}
|
|
case ModifyCells.InsertRowBefore:
|
|
{
|
|
tilemap.InsertCells(GridSelection.position.position, 0, -m_CellCount, 0);
|
|
break;
|
|
}
|
|
case ModifyCells.InsertColumn:
|
|
{
|
|
tilemap.InsertCells(GridSelection.position.position, m_CellCount, 0, 0);
|
|
break;
|
|
}
|
|
case ModifyCells.InsertColumnBefore:
|
|
{
|
|
tilemap.InsertCells(GridSelection.position.position, -m_CellCount, 0, 0);
|
|
break;
|
|
}
|
|
case ModifyCells.DeleteRow:
|
|
{
|
|
tilemap.DeleteCells(GridSelection.position.position, 0, m_CellCount, 0);
|
|
break;
|
|
}
|
|
case ModifyCells.DeleteRowBefore:
|
|
{
|
|
tilemap.DeleteCells(GridSelection.position.position, 0, -m_CellCount, 0);
|
|
break;
|
|
}
|
|
case ModifyCells.DeleteColumn:
|
|
{
|
|
tilemap.DeleteCells(GridSelection.position.position, m_CellCount, 0, 0);
|
|
break;
|
|
}
|
|
case ModifyCells.DeleteColumnBefore:
|
|
{
|
|
tilemap.DeleteCells(GridSelection.position.position, -m_CellCount, 0, 0);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
GUILayout.EndHorizontal();
|
|
}
|
|
}
|
|
|
|
// Whether any element differs from the first, used to drive EditorGUI.showMixedValue.
|
|
// Overloads use each type's own != operator to match the original comparisons.
|
|
private static bool HasMixedValues(Object[] values)
|
|
{
|
|
for (int i = 1; i < values.Length; ++i)
|
|
if (values[i] != values[0])
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
private static bool HasMixedValues(Color[] values)
|
|
{
|
|
for (int i = 1; i < values.Length; ++i)
|
|
if (values[i] != values[0])
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
private static bool HasMixedValues(Vector3[] values)
|
|
{
|
|
for (int i = 1; i < values.Length; ++i)
|
|
if (values[i] != values[0])
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
private static bool HasMixedValues(Tile.ColliderType[] values)
|
|
{
|
|
for (int i = 1; i < values.Length; ++i)
|
|
if (values[i] != values[0])
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
private static bool AllFlagsEqual(TileFlags[] flags, TileFlags mask)
|
|
{
|
|
var first = flags[0] & mask;
|
|
for (int i = 1; i < flags.Length; ++i)
|
|
if ((flags[i] & mask) != first)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
// Edits offset/rotation/scale as base components rather than a Matrix4x4, so the raw
|
|
// scale (including negative axes) and Euler angles survive instead of being normalized
|
|
// by lossyScale / Quaternion.eulerAngles. Updates the components in place and returns
|
|
// whether they changed.
|
|
private static bool TransformMatrixOnGUI(ref Vector3 position, ref Vector3 eulerAngles, ref Vector3 scale)
|
|
{
|
|
EditorGUI.BeginChangeCheck();
|
|
|
|
Vector3 pos = Round(position, 3);
|
|
Vector3 euler = Round(eulerAngles, 3);
|
|
Vector3 scl = Round(scale, 3);
|
|
pos = EditorGUILayout.Vector3Field(Styles.offsetLabel, pos);
|
|
euler = EditorGUILayout.Vector3Field(Styles.rotationLabel, euler);
|
|
scl = EditorGUILayout.Vector3Field(Styles.scaleLabel, scl);
|
|
|
|
if (EditorGUI.EndChangeCheck() && scl.x != 0f && scl.y != 0f && scl.z != 0f)
|
|
{
|
|
position = pos;
|
|
eulerAngles = euler;
|
|
scale = scl;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private static Vector3 Round(Vector3 value, int digits)
|
|
{
|
|
float mult = Mathf.Pow(10.0f, (float)digits);
|
|
return new Vector3(
|
|
Mathf.Round(value.x * mult) / mult,
|
|
Mathf.Round(value.y * mult) / mult,
|
|
Mathf.Round(value.z * mult) / mult
|
|
);
|
|
}
|
|
|
|
private void DeleteSelection(Tilemap tilemap, BoundsInt selection)
|
|
{
|
|
if (tilemap == null)
|
|
return;
|
|
|
|
RegisterUndo(tilemap.gameObject, GridBrushBase.Tool.Erase);
|
|
brush.BoxErase(tilemap.layoutGrid, tilemap.gameObject, selection);
|
|
}
|
|
|
|
/// <summary> Callback when the mouse cursor leaves and editing area. </summary>
|
|
/// <remarks> Cleans up brush previews. </remarks>
|
|
public override void OnMouseLeave()
|
|
{
|
|
ClearLastPreview();
|
|
}
|
|
|
|
/// <summary> Callback when the GridBrush Tool is deactivated. </summary>
|
|
/// <param name="tool">GridBrush Tool that is deactivated.</param>
|
|
/// <remarks> Cleans up brush previews. </remarks>
|
|
public override void OnToolDeactivated(GridBrushBase.Tool tool)
|
|
{
|
|
ClearLastPreview();
|
|
}
|
|
|
|
/// <summary> Describes the usage of the GridBrush. </summary>
|
|
public override string tooltip
|
|
{
|
|
get { return Styles.tooltipText; }
|
|
}
|
|
|
|
/// <summary> Returns an icon identifying the Grid Brush. </summary>
|
|
public override Texture2D icon
|
|
{
|
|
get
|
|
{
|
|
if (m_Icon == null)
|
|
{
|
|
m_Icon = EditorGUIUtility.LoadIcon(Styles.iconPath);
|
|
}
|
|
return m_Icon;
|
|
}
|
|
}
|
|
|
|
/// <summary> Whether the GridBrush can change Z Position. </summary>
|
|
public override bool canChangeZPosition
|
|
{
|
|
get { return brush.canChangeZPosition; }
|
|
set { brush.canChangeZPosition = value; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// Whether the Brush is in a state that should be saved for selection.
|
|
/// </summary>
|
|
public override bool shouldSaveBrushForSelection
|
|
{
|
|
get
|
|
{
|
|
if (brush.cells != null)
|
|
{
|
|
foreach (var cell in brush.cells)
|
|
{
|
|
if (cell != null && cell.tile != null)
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
/// <summary>Callback for registering an Undo action before the GridBrushBase does the current GridBrushBase::ref::Tool action.</summary>
|
|
/// <param name="brushTarget">Target of the GridBrushBase::ref::Tool operation. By default the currently selected GameObject.</param>
|
|
/// <param name="tool">Current GridBrushBase::ref::Tool selected.</param>
|
|
/// <remarks>Implement this for any special Undo behaviours when a brush is used.</remarks>
|
|
public override void RegisterUndo(GameObject brushTarget, GridBrushBase.Tool tool)
|
|
{
|
|
if (brushTarget != null)
|
|
{
|
|
var tilemap = brushTarget.GetComponent<Tilemap>();
|
|
if (tilemap != null)
|
|
{
|
|
RegisterUndoForTilemap(tilemap, tool.ToString());
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>Returns all valid targets that the brush can edit.</summary>
|
|
/// <remarks>Valid targets for the GridBrush are any GameObjects with a Tilemap component.</remarks>
|
|
public override GameObject[] validTargets
|
|
{
|
|
get
|
|
{
|
|
StageHandle currentStageHandle = StageUtility.GetCurrentStageHandle();
|
|
var tilemaps = currentStageHandle.FindComponentsOfType<Tilemap>();
|
|
var targets = new List<GameObject>(tilemaps.Length);
|
|
foreach (var tilemap in tilemaps)
|
|
{
|
|
var gameObject = tilemap.gameObject;
|
|
if (gameObject.scene.isLoaded
|
|
&& gameObject.activeInHierarchy
|
|
&& !gameObject.hideFlags.HasFlag(HideFlags.NotEditable))
|
|
targets.Add(gameObject);
|
|
}
|
|
return targets.ToArray();
|
|
}
|
|
}
|
|
|
|
/// <summary>Paints preview data into a cell of a grid given the coordinates of the cell.</summary>
|
|
/// <param name="gridLayout">The grid to paint data to.</param>
|
|
/// <param name="brushTarget">The target of the paint operation. This is the currently selected GameObject by default.</param>
|
|
/// <param name="position">The coordinates of the cell to paint data to.</param>
|
|
/// <remarks>The GridBrush will paint preview Sprites in its brush cells onto an associated Tilemap. This will not instantiate objects associated with the painted Tiles.</remarks>
|
|
public virtual void PaintPreview(GridLayout gridLayout, GameObject brushTarget, Vector3Int position)
|
|
{
|
|
var min = position - brush.pivot;
|
|
var max = min + brush.size;
|
|
var bounds = new BoundsInt(min, max - min);
|
|
|
|
if (brushTarget != null)
|
|
{
|
|
var map = brushTarget.GetComponent<Tilemap>();
|
|
if (map != null)
|
|
{
|
|
foreach (var location in bounds.allPositionsWithin)
|
|
{
|
|
var brushPosition = location - min;
|
|
var cell = brush.cells[brush.GetCellIndex(brushPosition)];
|
|
if (cell.tile != null)
|
|
{
|
|
SetTilemapPreviewCell(map, location, cell.tile, cell.matrix, cell.color);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
m_LastGrid = gridLayout;
|
|
m_LastBounds = bounds;
|
|
m_LastBrushTarget = brushTarget;
|
|
m_LastTool = GridBrushBase.Tool.Paint;
|
|
}
|
|
|
|
/// <summary>Displays a preview of the Tile (after erasure) on the cell of a grid at the given coordinates of the cell.</summary>
|
|
/// <param name="gridLayout">The grid to paint data to.</param>
|
|
/// <param name="brushTarget">The target of the erase operation. This is the currently selected GameObject by default.</param>
|
|
/// <param name="position">The coordinates of the cell to paint data to.</param>
|
|
/// <remarks>The GridBrush will paint preview Sprites of the Tiles (after erasure) into its brush cells on an associated Tilemap. This will not instantiate objects associated with the painted Tiles.</remarks>
|
|
public virtual void ErasePreview(GridLayout gridLayout, GameObject brushTarget, Vector3Int position)
|
|
{
|
|
var min = position - brush.pivot;
|
|
var max = min + brush.size;
|
|
var bounds = new BoundsInt(min, max - min);
|
|
|
|
if (brushTarget != null)
|
|
{
|
|
var map = brushTarget.GetComponent<Tilemap>();
|
|
if (map != null)
|
|
{
|
|
foreach (var location in bounds.allPositionsWithin)
|
|
{
|
|
var brushPosition = location - min;
|
|
var cell = brush.cells[brush.GetCellIndex(brushPosition)];
|
|
SetTilemapPreviewCell(map, location, s_EmptySpriteTile, cell.matrix, cell.color);
|
|
}
|
|
}
|
|
}
|
|
|
|
m_LastGrid = gridLayout;
|
|
m_LastBounds = bounds;
|
|
m_LastBrushTarget = brushTarget;
|
|
m_LastTool = GridBrushBase.Tool.Erase;
|
|
}
|
|
|
|
/// <summary>Does a preview of what happens when a GridBrush.BoxFill is done with the same parameters.</summary>
|
|
/// <param name="gridLayout">Grid to box fill data to.</param>
|
|
/// <param name="brushTarget">Target of box fill operation. By default the currently selected GameObject.</param>
|
|
/// <param name="position">The bounds to box fill data to.</param>
|
|
public virtual void BoxFillPreview(GridLayout gridLayout, GameObject brushTarget, BoundsInt position)
|
|
{
|
|
if (brushTarget != null)
|
|
{
|
|
var map = brushTarget.GetComponent<Tilemap>();
|
|
if (map != null)
|
|
{
|
|
foreach (var location in position.allPositionsWithin)
|
|
{
|
|
var local = location - position.min;
|
|
var cell = brush.cells[brush.GetCellIndexWrapAround(local.x, local.y, local.z)];
|
|
if (cell.tile != null)
|
|
{
|
|
SetTilemapPreviewCell(map, location, cell.tile, cell.matrix, cell.color);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
m_LastGrid = gridLayout;
|
|
m_LastBounds = position;
|
|
m_LastBrushTarget = brushTarget;
|
|
m_LastTool = GridBrushBase.Tool.Box;
|
|
}
|
|
|
|
private bool CheckFloodFillPreview(GridLayout gridLayout, GameObject brushTarget, Vector3Int position)
|
|
{
|
|
if (m_LastGrid == gridLayout
|
|
&& m_LastBrushTarget == brushTarget
|
|
&& m_LastBounds.HasValue && m_LastBounds.Value.Contains(position)
|
|
&& brushTarget != null && brush.cellCount > 0)
|
|
{
|
|
var map = brushTarget.GetComponent<Tilemap>();
|
|
if (map != null)
|
|
{
|
|
var cell = brush.cells[0];
|
|
var hasTile = cell.tile != null;
|
|
if ((hasTile && floodFillPreviewFillExtents == 0 || !hasTile && floodFillPreviewEraseExtents == 0)
|
|
&& (cell.tile == map.GetEditorPreviewTile(position)))
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/// <summary>Does a preview of what happens when a GridBrush.FloodFill is done with the same parameters.</summary>
|
|
/// <param name="gridLayout">Grid to paint data to.</param>
|
|
/// <param name="brushTarget">Target of the flood fill operation. By default the currently selected GameObject.</param>
|
|
/// <param name="position">The coordinates of the cell to flood fill data to.</param>
|
|
public virtual void FloodFillPreview(GridLayout gridLayout, GameObject brushTarget, Vector3Int position)
|
|
{
|
|
// This can be quite taxing on a large Tilemap, so users can choose whether to do this or not
|
|
if (!showFloodFillPreview)
|
|
return;
|
|
|
|
var bounds = new BoundsInt(position, Vector3Int.one);
|
|
if (brushTarget != null && brush.cellCount > 0)
|
|
{
|
|
var map = brushTarget.GetComponent<Tilemap>();
|
|
if (map != null)
|
|
{
|
|
var cell = brush.cells[0];
|
|
var eraseExtents = floodFillPreviewEraseExtents;
|
|
var fillExtents = floodFillPreviewFillExtents;
|
|
var validFloodFillTile = cell.tile != null;
|
|
var floodFillTile = validFloodFillTile ? cell.tile : s_EmptySpriteTile;
|
|
if (!validFloodFillTile && floodFillPreviewEraseExtents > 0)
|
|
{
|
|
map.EditorPreviewBoxFill(position, floodFillTile, position.x - eraseExtents, position.y - eraseExtents, position.x + eraseExtents, position.y + eraseExtents);
|
|
}
|
|
else if (validFloodFillTile && floodFillPreviewFillExtents > 0)
|
|
{
|
|
map.EditorPreviewBoxFill(position, floodFillTile, position.x - fillExtents, position.y - fillExtents, position.x + fillExtents, position.y + fillExtents);
|
|
}
|
|
else
|
|
{
|
|
map.EditorPreviewFloodFill(position, floodFillTile);
|
|
}
|
|
|
|
// Set floodfill bounds as tilemap bounds
|
|
var origin = map.origin;
|
|
bounds.min = origin;
|
|
bounds.max = origin + map.size;
|
|
}
|
|
}
|
|
|
|
m_LastGrid = gridLayout;
|
|
m_LastBounds = bounds;
|
|
m_LastBrushTarget = brushTarget;
|
|
m_LastTool = GridBrushBase.Tool.FloodFill;
|
|
}
|
|
|
|
/// <summary>Callback for painting custom gizmos when there is an active GridSelection made in a GridLayout.</summary>
|
|
/// <param name="gridLayout">Grid that the brush is being used on.</param>
|
|
/// <param name="brushTarget">Target of the GridBrushBase::ref::Tool operation. By default the currently selected GameObject.</param>
|
|
/// <remarks>Override this to show custom gizmos for the current selection.</remarks>
|
|
public override void OnSelectionSceneGUI(GridLayout gridLayout, GameObject brushTarget)
|
|
{
|
|
base.OnSelectionSceneGUI(gridLayout, brushTarget);
|
|
|
|
var canEditTilemap = !GridPaintingState.IsPartOfActivePalette(brushTarget) ||
|
|
GridPaintingState.isPaletteEditable;
|
|
|
|
if (canEditTilemap
|
|
&& GridSelection.active
|
|
&& !EditorGUIUtility.editingTextField
|
|
&& Event.current.type == EventType.KeyDown
|
|
&& (Event.current.keyCode == KeyCode.Delete
|
|
|| Event.current.keyCode == KeyCode.Backspace))
|
|
{
|
|
var tilemap = gridLayout.GetComponentInChildren<Tilemap>();
|
|
DeleteSelection(tilemap, GridSelection.position);
|
|
if (GridPaintingState.IsPartOfActivePalette(brushTarget))
|
|
{
|
|
GridPaintingState.UnlockGridPaintPaletteClipboardForEditing();
|
|
}
|
|
else
|
|
{
|
|
GridSelection.SaveStandalone();
|
|
}
|
|
Event.current.Use();
|
|
}
|
|
}
|
|
|
|
/// <summary>Clears any preview drawn previously by the GridBrushEditor.</summary>
|
|
public virtual void ClearPreview()
|
|
{
|
|
if (m_LastGrid == null || m_LastBounds == null || m_LastBrushTarget == null || m_LastTool == null)
|
|
return;
|
|
|
|
Tilemap map = m_LastBrushTarget.GetComponent<Tilemap>();
|
|
if (map != null)
|
|
{
|
|
switch (m_LastTool)
|
|
{
|
|
case GridBrushBase.Tool.FloodFill:
|
|
{
|
|
map.ClearAllEditorPreviewTiles();
|
|
break;
|
|
}
|
|
case GridBrushBase.Tool.Box:
|
|
{
|
|
Vector3Int min = m_LastBounds.Value.position;
|
|
Vector3Int max = min + m_LastBounds.Value.size;
|
|
BoundsInt bounds = new BoundsInt(min, max - min);
|
|
foreach (Vector3Int location in bounds.allPositionsWithin)
|
|
{
|
|
ClearTilemapPreview(map, location);
|
|
}
|
|
break;
|
|
}
|
|
case GridBrushBase.Tool.Erase:
|
|
case GridBrushBase.Tool.Paint:
|
|
{
|
|
BoundsInt bounds = m_LastBounds.Value;
|
|
foreach (Vector3Int location in bounds.allPositionsWithin)
|
|
{
|
|
ClearTilemapPreview(map, location);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
m_LastBrushTarget = null;
|
|
m_LastGrid = null;
|
|
m_LastBounds = null;
|
|
m_LastTool = null;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a static preview of the GridBrush with its current selection.
|
|
/// </summary>
|
|
/// <param name="assetPath">The asset to operate on.</param>
|
|
/// <param name="subAssets">An array of all Assets at assetPath.</param>
|
|
/// <param name="width">Width of the created texture.</param>
|
|
/// <param name="height">Height of the created texture.</param>
|
|
/// <returns>Generated texture or null.</returns>
|
|
public override Texture2D RenderStaticPreview(string assetPath, Object[] subAssets, int width, int height)
|
|
{
|
|
if (brush == null)
|
|
return null;
|
|
|
|
var previewInstance = new GameObject("Brush Preview", typeof(Grid), typeof(Tilemap), typeof(TilemapRenderer));
|
|
var previewGrid = previewInstance.GetComponent<Grid>();
|
|
previewGrid.cellLayout = brush.lastPickedCellLayout;
|
|
previewGrid.cellSize = brush.lastPickedCellSize;
|
|
if (previewGrid.cellLayout != GridLayout.CellLayout.Hexagon)
|
|
{
|
|
previewGrid.cellGap = brush.lastPickedCellGap;
|
|
}
|
|
else
|
|
{
|
|
var tilemap = previewInstance.GetComponent<Tilemap>();
|
|
tilemap.tileAnchor = Vector3.zero;
|
|
}
|
|
previewGrid.cellSwizzle = brush.lastPickedCellSwizzle;
|
|
|
|
brush.Paint(previewGrid, previewInstance, Vector3Int.zero);
|
|
|
|
var bounds = previewGrid.GetBoundsLocal(Vector3.zero, brush.size);
|
|
var pivotLocal = previewGrid.CellToLocal(brush.pivot);
|
|
var center = bounds.center - pivotLocal;
|
|
center.z -= 10f;
|
|
|
|
var rect = new Rect(0, 0, width, height);
|
|
var previewUtility = new PreviewRenderUtility(true, true);
|
|
previewUtility.camera.orthographic = true;
|
|
previewUtility.camera.orthographicSize = 0.5f * Math.Max(brush.size.x, brush.size.y);
|
|
if (rect.height > rect.width)
|
|
previewUtility.camera.orthographicSize *= rect.height / rect.width;
|
|
previewUtility.camera.transform.position = center;
|
|
previewUtility.AddSingleGO(previewInstance);
|
|
previewUtility.BeginStaticPreview(rect);
|
|
previewUtility.camera.Render();
|
|
var tex = previewUtility.EndStaticPreview();
|
|
previewUtility.Cleanup();
|
|
|
|
DestroyImmediate(previewInstance);
|
|
|
|
return tex;
|
|
}
|
|
|
|
private void RegisterUndoForTilemap(Tilemap tilemap, string undoMessage)
|
|
{
|
|
Undo.RegisterCompleteObjectUndo(new Object[] { tilemap, tilemap.gameObject }, undoMessage);
|
|
}
|
|
|
|
private static void SetTilemapPreviewCell(Tilemap map, Vector3Int location, TileBase tile, Matrix4x4 transformMatrix, Color color)
|
|
{
|
|
if (map == null)
|
|
return;
|
|
map.SetEditorPreviewTile(location, tile);
|
|
map.SetEditorPreviewTransformMatrix(location, transformMatrix);
|
|
map.SetEditorPreviewColor(location, color);
|
|
}
|
|
|
|
private static void ClearTilemapPreview(Tilemap map, Vector3Int location)
|
|
{
|
|
if (map == null)
|
|
return;
|
|
map.SetEditorPreviewTile(location, null);
|
|
map.SetEditorPreviewTransformMatrix(location, Matrix4x4.identity);
|
|
map.SetEditorPreviewColor(location, Color.white);
|
|
}
|
|
|
|
private static int GetHash(GridLayout gridLayout, GameObject brushTarget, BoundsInt position, GridBrushBase.Tool tool, GridBrush brush)
|
|
{
|
|
int hash;
|
|
unchecked
|
|
{
|
|
hash = gridLayout != null ? gridLayout.GetHashCode() : 0;
|
|
hash = hash * 33 + (brushTarget != null ? brushTarget.GetHashCode() : 0);
|
|
hash = hash * 33 + position.GetHashCode();
|
|
hash = hash * 33 + tool.GetHashCode();
|
|
hash = hash * 33 + (brush != null ? brush.GetHashCode() : 0);
|
|
}
|
|
return hash;
|
|
}
|
|
}
|
|
}
|