forked from BilalY/Rasagar
632 lines
27 KiB
C#
632 lines
27 KiB
C#
using System;
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using UnityEditor.EditorTools;
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using UnityEngine;
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using UnityEngine.UIElements;
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namespace UnityEditor.Tilemaps
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{
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internal abstract class PaintableGrid : ScriptableObject
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{
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private const int k_MaxMouseCellDelta = 500;
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public enum MarqueeType { None = 0, Pick, Box, Select }
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protected int m_PermanentControlID;
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public abstract void Repaint();
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protected abstract void RegisterUndo();
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protected abstract void Paint(Vector3Int position);
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protected abstract void Erase(Vector3Int position);
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protected abstract void BoxFill(BoundsInt position);
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protected abstract void BoxErase(BoundsInt position);
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protected abstract void FloodFill(Vector3Int position);
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protected abstract void PickBrush(BoundsInt position, Vector3Int pickStart);
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protected abstract void Select(BoundsInt position);
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protected abstract void Move(BoundsInt from, BoundsInt to);
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protected abstract void MoveStart(BoundsInt position);
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protected abstract void MoveEnd(BoundsInt position);
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protected abstract bool CustomTool(bool isToolHotControl, TilemapEditorTool tool, Vector3Int position);
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protected abstract bool ValidateFloodFillPosition(Vector3Int position);
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protected abstract Vector2Int ScreenToGrid(Vector2 screenPosition, float zPosition = 0.0f);
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protected abstract bool PickingIsDefaultTool();
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protected abstract bool CanPickOutsideEditMode();
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protected abstract GridLayout.CellLayout CellLayout();
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protected abstract void ClearGridSelection();
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public abstract bool isActive { get; }
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protected virtual void OnBrushPickStarted() {}
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protected virtual void OnBrushPickDragged(BoundsInt position) {}
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protected virtual void OnBrushPickCancelled() {}
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protected virtual void OnEditStart() {}
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protected virtual void OnEditEnd() {}
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// UIToolkit does not set type to Ignore if mouse position is not in window
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private bool IsMouseUpInWindow() { return Event.current.type == EventType.MouseUp; }
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public abstract Rect rectPosition { get; }
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public abstract VisualElement windowRoot { get; }
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internal static PaintableGrid s_LastActivePaintableGrid;
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private Vector2 m_MousePosition;
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protected Vector2Int m_PreviousMouseGridPosition;
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protected Vector2Int m_MouseGridPosition;
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protected bool m_MouseGridPositionChanged;
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private bool m_PositionChangeRepaintDone;
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protected Vector2Int? m_PreviousMove;
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protected Vector2Int? m_MarqueeStart;
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protected MarqueeType m_MarqueeType = MarqueeType.None;
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private bool m_IsExecuting;
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protected Type m_TypeBeforeExecution;
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private int m_ZPosition;
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public Vector2 mousePosition { get { return m_MousePosition; } }
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public Vector2Int mouseGridPosition { get { return m_MouseGridPosition; } }
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public bool isPicking { get { return m_MarqueeType == MarqueeType.Pick; } }
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public bool isBoxing { get { return m_MarqueeType == MarqueeType.Box; } }
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public GridLayout.CellLayout cellLayout { get { return CellLayout(); } }
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public int zPosition { get { return m_ZPosition; } set { m_ZPosition = value; } }
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protected bool executing
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{
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get { return m_IsExecuting; }
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set
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{
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var isExecuting = value && isHotControl;
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if (isExecuting != m_IsExecuting)
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{
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if (isExecuting)
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OnEditStart();
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else
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OnEditEnd();
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}
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m_IsExecuting = isExecuting;
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}
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}
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protected bool isNearestControl { get { return HandleUtility.nearestControl == m_PermanentControlID; } }
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protected bool isHotControl { get { return GUIUtility.hotControl == m_PermanentControlID; } }
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protected bool mouseGridPositionChanged { get { return m_MouseGridPositionChanged; } }
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protected bool inEditMode { get { return InGridEditMode(); } }
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protected virtual void OnEnable()
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{
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m_PermanentControlID = GUIUtility.GetPermanentControlID();
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}
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protected virtual void OnDisable()
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{
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}
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public virtual void OnGUI()
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{
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var evt = Event.current;
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if (CanPickOutsideEditMode() || inEditMode)
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{
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if (evt.type == EventType.Layout)
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HandleUtility.AddDefaultControl(m_PermanentControlID);
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HandleBrushPicking();
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}
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if (inEditMode)
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{
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HandleBrushPaintAndErase();
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HandleSelectTool();
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HandleMoveTool();
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HandleEditModeChange();
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HandleFloodFill();
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HandleBoxTool();
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HandleCustomTool();
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}
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else if (isHotControl && !IsPickingEvent(evt))
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{
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// Release hot control if it still has it while not in picking or grid edit mode
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GUIUtility.hotControl = 0;
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}
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if (mouseGridPositionChanged && !m_PositionChangeRepaintDone)
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{
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Repaint();
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m_PositionChangeRepaintDone = true;
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}
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}
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protected void ResetPreviousMousePositionToCurrentPosition()
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{
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m_PreviousMouseGridPosition = m_MouseGridPosition;
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}
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protected void UpdateMouseGridPositionUIToolkit(Vector2 localMousePosition, bool isPointerMove = false)
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{
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m_MousePosition = localMousePosition;
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var newGridPosition = ScreenToGrid(m_MousePosition, m_ZPosition);
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if (newGridPosition != m_MouseGridPosition)
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{
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var delta = newGridPosition - m_MouseGridPosition;
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// Case 1024422: Limit mouse cell delta changes for Grid/Tilemap input handling due to camera changes when switching modes/axis views
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if (Mathf.Abs(delta.x) > k_MaxMouseCellDelta)
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newGridPosition.x = m_MouseGridPosition.x + Math.Sign(delta.x) * k_MaxMouseCellDelta;
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if (Mathf.Abs(delta.y) > k_MaxMouseCellDelta)
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newGridPosition.y = m_MouseGridPosition.y + Math.Sign(delta.y) * k_MaxMouseCellDelta;
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ResetPreviousMousePositionToCurrentPosition();
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m_MouseGridPosition = newGridPosition;
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MouseGridPositionChanged();
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Repaint();
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}
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else if (isPointerMove)
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{
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m_MouseGridPositionChanged = false;
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}
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}
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protected void UpdateMouseGridPosition(bool forceUpdate = false)
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{
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if (Event.current.type == EventType.MouseDrag
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|| Event.current.type == EventType.MouseMove
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// Case 1075857: Mouse Down when window is not in focus needs to update mouse grid position
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|| Event.current.type == EventType.MouseDown
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|| Event.current.type == EventType.DragUpdated
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|| forceUpdate)
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{
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m_MousePosition = Event.current.mousePosition;
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var newGridPosition = ScreenToGrid(m_MousePosition, m_ZPosition);
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if (newGridPosition != m_MouseGridPosition)
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{
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var delta = newGridPosition - m_MouseGridPosition;
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// Case 1024422: Limit mouse cell delta changes for Grid/Tilemap input handling due to camera changes when switching modes/axis views
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if (Mathf.Abs(delta.x) > k_MaxMouseCellDelta)
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newGridPosition.x = m_MouseGridPosition.x + Math.Sign(delta.x) * k_MaxMouseCellDelta;
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if (Mathf.Abs(delta.y) > k_MaxMouseCellDelta)
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newGridPosition.y = m_MouseGridPosition.y + Math.Sign(delta.y) * k_MaxMouseCellDelta;
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ResetPreviousMousePositionToCurrentPosition();
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m_MouseGridPosition = newGridPosition;
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MouseGridPositionChanged();
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}
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else if (!forceUpdate || Event.current.type == EventType.MouseMove)
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{
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m_MouseGridPositionChanged = false;
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}
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}
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}
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private void MouseGridPositionChanged()
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{
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m_MouseGridPositionChanged = true;
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m_PositionChangeRepaintDone = false;
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}
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private void HandleEditModeChange()
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{
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// Handles changes in EditMode while tool is expected to be in the same mode
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if (isPicking && !TilemapEditorTool.IsActive(typeof(PickingTool)))
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{
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m_MarqueeStart = null;
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m_MarqueeType = MarqueeType.None;
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if (isHotControl)
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{
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GUI.changed = true;
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GUIUtility.hotControl = 0;
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}
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}
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if (isBoxing && !TilemapEditorTool.IsActive(typeof(BoxTool)))
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{
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m_MarqueeStart = null;
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m_MarqueeType = MarqueeType.None;
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if (isHotControl)
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{
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GUI.changed = true;
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GUIUtility.hotControl = 0;
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}
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}
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if (!TilemapEditorTool.IsActive(typeof(SelectTool))
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&& !TilemapEditorTool.IsActive(typeof(MoveTool))
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&& !GridSelectionTool.IsActive())
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{
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ClearGridSelection();
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}
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}
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private void HandleBrushPicking()
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{
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Event evt = Event.current;
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if (isNearestControl && evt.type == EventType.MouseDown && IsPickingEvent(evt) && !isHotControl)
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{
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m_TypeBeforeExecution = typeof(PaintTool);
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if (inEditMode && !TilemapEditorTool.IsActive(typeof(PickingTool)))
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{
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m_TypeBeforeExecution = ToolManager.activeToolType;
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TilemapEditorTool.SetActiveEditorTool(typeof(PickingTool));
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}
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m_MarqueeStart = mouseGridPosition;
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m_MarqueeType = MarqueeType.Pick;
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Event.current.Use();
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GUI.changed = true;
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GUIUtility.hotControl = m_PermanentControlID;
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OnBrushPickStarted();
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}
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if (evt.type == EventType.MouseDrag && isHotControl && m_MarqueeStart.HasValue && m_MarqueeType == MarqueeType.Pick && IsPickingEvent(evt))
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{
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RectInt rect = GridEditorUtility.GetMarqueeRect(m_MarqueeStart.Value, mouseGridPosition);
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OnBrushPickDragged(new BoundsInt(new Vector3Int(rect.xMin, rect.yMin, zPosition), new Vector3Int(rect.size.x, rect.size.y, 1)));
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Event.current.Use();
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GUI.changed = true;
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}
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if (evt.rawType == EventType.MouseUp && isHotControl && m_MarqueeStart.HasValue && m_MarqueeType == MarqueeType.Pick && IsPickingEvent(evt))
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{
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// Check if event only occurred in the PaintableGrid window as evt.type will filter for this
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if (IsMouseUpInWindow() && m_MarqueeType == MarqueeType.Pick)
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{
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RectInt rect = GridEditorUtility.GetMarqueeRect(m_MarqueeStart.Value, mouseGridPosition);
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Vector2Int pivot = GetMarqueePivot(m_MarqueeStart.Value, mouseGridPosition);
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PickBrush(new BoundsInt(new Vector3Int(rect.xMin, rect.yMin, zPosition), new Vector3Int(rect.size.x, rect.size.y, 1)), new Vector3Int(pivot.x, pivot.y, 0));
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if (inEditMode && ToolManager.activeToolType != m_TypeBeforeExecution)
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{
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if (PickingIsDefaultTool()
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&& (m_TypeBeforeExecution == typeof(EraseTool)
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|| m_TypeBeforeExecution == typeof(MoveTool)))
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{
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// If Picking is default, change to a Paint Tool to facilitate editing if previous tool does not allow for painting
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TilemapEditorTool.SetActiveEditorTool(typeof(PaintTool));
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}
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else
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{
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TilemapEditorTool.SetActiveEditorTool(m_TypeBeforeExecution);
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}
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}
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GridPaintingState.ActiveGridBrushAssetChanged();
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Event.current.Use();
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GUI.changed = true;
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}
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else
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// Event occurred outside of PaintableGrid window, cancel the pick event
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{
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OnBrushPickCancelled();
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}
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m_MarqueeType = MarqueeType.None;
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m_MarqueeStart = null;
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GUIUtility.hotControl = 0;
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InspectorWindow.RepaintAllInspectors();
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}
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}
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private bool IsPickingEvent(Event evt)
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{
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return ((evt.control && !TilemapEditorTool.IsActive(typeof(MoveTool)))
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|| TilemapEditorTool.IsActive(typeof(PickingTool))
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|| !TilemapEditorTool.IsActive(typeof(SelectTool)) && PickingIsDefaultTool())
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&& evt.button == 0 && !evt.alt;
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}
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private void HandleSelectTool()
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{
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Event evt = Event.current;
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if (isNearestControl && evt.type == EventType.MouseDown && evt.button == 0 && !evt.alt && (TilemapEditorTool.IsActive(typeof(SelectTool)) || (TilemapEditorTool.IsActive(typeof(MoveTool)) && evt.control)))
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{
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if (TilemapEditorTool.IsActive(typeof(MoveTool)) && evt.control)
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TilemapEditorTool.SetActiveEditorTool(typeof(SelectTool));
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m_PreviousMove = null;
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m_MarqueeStart = mouseGridPosition;
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m_MarqueeType = MarqueeType.Select;
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GUIUtility.hotControl = m_PermanentControlID;
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Event.current.Use();
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}
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if (evt.rawType == EventType.MouseUp && evt.button == 0 && !evt.alt && m_MarqueeStart.HasValue && isHotControl && TilemapEditorTool.IsActive(typeof(SelectTool)))
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{
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// Check if event only occurred in the PaintableGrid window as evt.type will filter for this
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if (IsMouseUpInWindow() && m_MarqueeType == MarqueeType.Select)
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{
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RectInt rect = GridEditorUtility.GetMarqueeRect(m_MarqueeStart.Value, mouseGridPosition);
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Select(new BoundsInt(new Vector3Int(rect.xMin, rect.yMin, zPosition), new Vector3Int(rect.size.x, rect.size.y, 1)));
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Event.current.Use();
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}
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if (evt.control)
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TilemapEditorTool.SetActiveEditorTool(typeof(MoveTool));
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m_MarqueeStart = null;
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m_MarqueeType = MarqueeType.None;
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InspectorWindow.RepaintAllInspectors();
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GUIUtility.hotControl = 0;
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}
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if (evt.type == EventType.KeyDown && evt.keyCode == KeyCode.Escape && !m_MarqueeStart.HasValue && !m_PreviousMove.HasValue)
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{
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ClearGridSelection();
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Event.current.Use();
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}
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}
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private void HandleMoveTool()
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{
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Event evt = Event.current;
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if (isNearestControl && evt.type == EventType.MouseDown && evt.button == 0 && !evt.alt && TilemapEditorTool.IsActive(typeof(MoveTool)))
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{
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RegisterUndo();
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Vector3Int mouse3D = new Vector3Int(mouseGridPosition.x, mouseGridPosition.y, GridSelection.position.zMin);
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if (GridSelection.active && GridSelection.position.Contains(mouse3D))
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{
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GUIUtility.hotControl = m_PermanentControlID;
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executing = true;
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m_MarqueeStart = null;
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m_MarqueeType = MarqueeType.None;
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m_PreviousMove = mouseGridPosition;
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MoveStart(GridSelection.position);
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}
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Event.current.Use();
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}
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if (evt.type == EventType.MouseDrag && evt.button == 0 && TilemapEditorTool.IsActive(typeof(MoveTool)) && isHotControl)
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{
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if (m_MouseGridPositionChanged && m_PreviousMove.HasValue)
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{
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executing = true;
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BoundsInt previousRect = GridSelection.position;
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BoundsInt previousBounds = new BoundsInt(new Vector3Int(previousRect.xMin, previousRect.yMin, GridSelection.position.zMin), new Vector3Int(previousRect.size.x, previousRect.size.y, 1));
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Vector2Int direction = mouseGridPosition - m_PreviousMove.Value;
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BoundsInt pos = GridSelection.position;
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pos.position = new Vector3Int(pos.x + direction.x, pos.y + direction.y, pos.z);
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GridSelection.position = pos;
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Move(previousBounds, pos);
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m_PreviousMove = mouseGridPosition;
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Event.current.Use();
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}
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}
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if (IsMouseUpInWindow() && evt.button == 0 && m_PreviousMove.HasValue && TilemapEditorTool.IsActive(typeof(MoveTool)) && isHotControl)
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{
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m_PreviousMove = null;
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MoveEnd(GridSelection.position);
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executing = false;
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GUIUtility.hotControl = 0;
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Event.current.Use();
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}
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}
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private void HandleBrushPaintAndErase()
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{
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Event evt = Event.current;
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if (!IsPaintingEvent(evt) && !IsErasingEvent(evt))
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return;
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switch (evt.type)
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{
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case EventType.MouseDown:
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if (isNearestControl)
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{
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RegisterUndo();
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GUIUtility.hotControl = m_PermanentControlID;
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executing = true;
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if (ToolManager.activeToolType != null && ToolManager.activeToolType.IsSubclassOf(typeof(TilemapEditorTool)))
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m_TypeBeforeExecution = ToolManager.activeToolType;
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var position = new Vector3Int(mouseGridPosition.x, mouseGridPosition.y, zPosition);
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if (IsErasingEvent(evt))
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{
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if (!TilemapEditorTool.IsActive(typeof(EraseTool)))
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TilemapEditorTool.SetActiveEditorTool(typeof(EraseTool));
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Erase(position);
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}
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else
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{
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if (!TilemapEditorTool.IsActive(typeof(PaintTool)))
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TilemapEditorTool.SetActiveEditorTool(typeof(PaintTool));
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Paint(position);
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}
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ResetPreviousMousePositionToCurrentPosition();
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Event.current.Use();
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GUI.changed = true;
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}
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break;
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case EventType.MouseDrag:
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executing = true;
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if (isHotControl && mouseGridPositionChanged)
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{
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var points = GridEditorUtility.GetPointsOnLine(m_PreviousMouseGridPosition, mouseGridPosition);
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if (!evt.shift && !TilemapEditorTool.IsActive(typeof(PaintTool)) && m_TypeBeforeExecution == typeof(PaintTool))
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TilemapEditorTool.SetActiveEditorTool(typeof(PaintTool));
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else if (evt.shift && TilemapEditorTool.IsActive(typeof(PaintTool)))
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TilemapEditorTool.SetActiveEditorTool(typeof(EraseTool));
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foreach (var point in points)
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{
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var position = new Vector3Int(point.x, point.y, zPosition);
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if (IsErasingEvent(evt))
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Erase(position);
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else
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Paint(position);
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}
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ResetPreviousMousePositionToCurrentPosition();
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Event.current.Use();
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GUI.changed = true;
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}
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break;
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case EventType.MouseUp:
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executing = false;
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if (isHotControl)
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{
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if (!TilemapEditorTool.IsActive(typeof(PaintTool)) && m_TypeBeforeExecution == typeof(PaintTool))
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{
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TilemapEditorTool.SetActiveEditorTool(typeof(PaintTool));
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}
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Event.current.Use();
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GUI.changed = true;
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GUIUtility.hotControl = 0;
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}
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break;
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}
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}
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private bool IsPaintingEvent(Event evt)
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{
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return (evt.button == 0 && !evt.control && !evt.alt && TilemapEditorTool.IsActive(typeof(PaintTool)));
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}
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private bool IsErasingEvent(Event evt)
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{
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return (evt.button == 0 && !evt.control && !evt.alt
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&& ((evt.shift && !TilemapEditorTool.IsActive(typeof(BoxTool))
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&& !TilemapEditorTool.IsActive(typeof(FillTool))
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&& !TilemapEditorTool.IsActive(typeof(SelectTool))
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&& !TilemapEditorTool.IsActive(typeof(MoveTool)))
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|| TilemapEditorTool.IsActive(typeof(EraseTool))));
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}
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private void HandleFloodFill()
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{
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if (TilemapEditorTool.IsActive(typeof(FillTool)) && GridPaintingState.gridBrush != null && ValidateFloodFillPosition(new Vector3Int(mouseGridPosition.x, mouseGridPosition.y, 0)))
|
|
{
|
|
Event evt = Event.current;
|
|
if (isNearestControl && evt.type == EventType.MouseDown && evt.button == 0 && !evt.alt)
|
|
{
|
|
GUIUtility.hotControl = m_PermanentControlID;
|
|
GUI.changed = true;
|
|
executing = true;
|
|
Event.current.Use();
|
|
}
|
|
if (IsMouseUpInWindow() && evt.button == 0 && isHotControl)
|
|
{
|
|
RegisterUndo();
|
|
FloodFill(new Vector3Int(mouseGridPosition.x, mouseGridPosition.y, zPosition));
|
|
executing = false;
|
|
GUI.changed = true;
|
|
Event.current.Use();
|
|
GUIUtility.hotControl = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
private void HandleBoxTool()
|
|
{
|
|
Event evt = Event.current;
|
|
|
|
if (isNearestControl && evt.type == EventType.MouseDown && evt.button == 0 && !evt.alt && TilemapEditorTool.IsActive(typeof(BoxTool)))
|
|
{
|
|
m_MarqueeStart = mouseGridPosition;
|
|
m_MarqueeType = MarqueeType.Box;
|
|
Event.current.Use();
|
|
GUI.changed = true;
|
|
executing = true;
|
|
GUIUtility.hotControl = m_PermanentControlID;
|
|
}
|
|
if (evt.type == EventType.MouseDrag && evt.button == 0 && TilemapEditorTool.IsActive(typeof(BoxTool)))
|
|
{
|
|
if (isHotControl && m_MarqueeStart.HasValue)
|
|
{
|
|
Event.current.Use();
|
|
executing = true;
|
|
GUI.changed = true;
|
|
}
|
|
}
|
|
if (IsMouseUpInWindow() && evt.button == 0 && TilemapEditorTool.IsActive(typeof(BoxTool)))
|
|
{
|
|
if (isHotControl && m_MarqueeStart.HasValue)
|
|
{
|
|
RegisterUndo();
|
|
RectInt rect = GridEditorUtility.GetMarqueeRect(m_MarqueeStart.Value, mouseGridPosition);
|
|
if (evt.shift)
|
|
BoxErase(new BoundsInt(rect.x, rect.y, zPosition, rect.size.x, rect.size.y, 1));
|
|
else
|
|
BoxFill(new BoundsInt(rect.x, rect.y, zPosition, rect.size.x, rect.size.y, 1));
|
|
Event.current.Use();
|
|
executing = false;
|
|
GUI.changed = true;
|
|
GUIUtility.hotControl = 0;
|
|
}
|
|
m_MarqueeStart = null;
|
|
m_MarqueeType = MarqueeType.None;
|
|
}
|
|
}
|
|
|
|
private void HandleCustomTool()
|
|
{
|
|
Event evt = Event.current;
|
|
if (evt.type == EventType.Layout || evt.type == EventType.Repaint)
|
|
return;
|
|
|
|
if (!TilemapEditorTool.IsCustomTilemapEditorToolActive())
|
|
return;
|
|
|
|
TilemapEditorTool activeTool = EditorToolManager.activeTool as TilemapEditorTool;
|
|
var executed = CustomTool(isHotControl, activeTool, new Vector3Int(mouseGridPosition.x, mouseGridPosition.y, zPosition));
|
|
if (executed != executing)
|
|
{
|
|
GUIUtility.hotControl = executed ? m_PermanentControlID : 0;
|
|
executing = executed;
|
|
GUI.changed = true;
|
|
Event.current.Use();
|
|
}
|
|
else if (executing)
|
|
{
|
|
GUI.changed = true;
|
|
Event.current.Use();
|
|
}
|
|
}
|
|
|
|
protected Vector2Int GetMarqueePivot(Vector2Int start, Vector2Int end)
|
|
{
|
|
var pivot = new Vector2Int(
|
|
Math.Max(end.x - start.x, 0),
|
|
Math.Max(end.y - start.y, 0)
|
|
);
|
|
return pivot;
|
|
}
|
|
|
|
public void ChangeZPosition(int change)
|
|
{
|
|
m_ZPosition += change;
|
|
MouseGridPositionChanged();
|
|
Repaint();
|
|
}
|
|
|
|
public void ResetZPosition()
|
|
{
|
|
if (m_ZPosition == 0)
|
|
return;
|
|
|
|
m_ZPosition = 0;
|
|
MouseGridPositionChanged();
|
|
Repaint();
|
|
}
|
|
|
|
public static bool InGridEditMode()
|
|
{
|
|
return ToolManager.activeToolType != null
|
|
&& (ToolManager.activeToolType.IsSubclassOf(typeof(TilemapEditorTool)));
|
|
}
|
|
|
|
// TODO: Someday EditMode or its future incarnation will be public and we can get rid of this
|
|
// TODO: Temporarily use ActiveTool's type to determine brush tool
|
|
public static GridBrushBase.Tool EditTypeToBrushTool(Type activeToolType)
|
|
{
|
|
if (activeToolType == typeof(BoxTool))
|
|
return GridBrushBase.Tool.Box;
|
|
if (activeToolType == typeof(EraseTool))
|
|
return GridBrushBase.Tool.Erase;
|
|
if (activeToolType == typeof(FillTool))
|
|
return GridBrushBase.Tool.FloodFill;
|
|
if (activeToolType == typeof(PaintTool))
|
|
return GridBrushBase.Tool.Paint;
|
|
if (activeToolType == typeof(PickingTool))
|
|
return GridBrushBase.Tool.Pick;
|
|
if (activeToolType == typeof(SelectTool))
|
|
return GridBrushBase.Tool.Select;
|
|
if (activeToolType == typeof(MoveTool))
|
|
return GridBrushBase.Tool.Move;
|
|
return GridBrushBase.Tool.Other;
|
|
}
|
|
}
|
|
}
|