540 lines
17 KiB
C#
540 lines
17 KiB
C#
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using UnityEngine;
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namespace UnityEditor.U2D.Animation
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{
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internal class SpriteMeshView : ISpriteMeshView
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{
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readonly int m_VertexHashCode = "Vertex".GetHashCode();
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readonly int m_EdgeHashCode = "Edge".GetHashCode();
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const string kDeleteCommandName = "Delete";
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const string kSoftDeleteCommandName = "SoftDelete";
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static readonly Color kEdgeColor = Color.cyan;
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static readonly Color kEdgeHoveredColor = Color.yellow;
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static readonly Color kEdgeSelectedColor = Color.yellow;
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const float kEdgeWidth = 2f;
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const float kVertexRadius = 2.5f;
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private class Styles
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{
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public readonly GUIStyle pointNormalStyle;
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public readonly GUIStyle pointHoveredStyle;
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public readonly GUIStyle pointSelectedStyle;
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public Styles()
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{
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Texture2D pointNormal = ResourceLoader.Load<Texture2D>("SkinningModule/dotCyan.png");
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Texture2D pointHovered = ResourceLoader.Load<Texture2D>("SkinningModule/dotYellow.png");
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Texture2D pointSelected = ResourceLoader.Load<Texture2D>("SkinningModule/dotYellow.png");
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pointNormalStyle = new GUIStyle();
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pointNormalStyle.normal.background = pointNormal;
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pointNormalStyle.fixedWidth = 8f;
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pointNormalStyle.fixedHeight = 8f;
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pointHoveredStyle = new GUIStyle();
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pointHoveredStyle.normal.background = pointHovered;
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pointHoveredStyle.fixedWidth = 10f;
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pointHoveredStyle.fixedHeight = 10f;
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pointSelectedStyle = new GUIStyle();
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pointSelectedStyle.normal.background = pointSelected;
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pointSelectedStyle.fixedWidth = 10f;
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pointSelectedStyle.fixedHeight = 10f;
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}
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}
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private Styles m_Styles;
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private Styles styles
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{
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get
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{
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if (m_Styles == null)
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m_Styles = new Styles();
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return m_Styles;
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}
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}
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int m_HoveredEdge = -1;
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int m_HoveredEdgeControlID = -1;
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int m_MoveEdgeControlID = -1;
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int m_HoveredVertex = -1;
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int m_PrevHoveredVertex = -1;
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int m_HoveredVertexControlID = -1;
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int m_MoveVertexControlID = -1;
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Color m_TempColor;
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SliderData m_HotSliderData = SliderData.zero;
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MeshEditorAction m_PreviousActiveAction = MeshEditorAction.None;
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private Vector2 m_MouseWorldPosition;
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private float m_NearestVertexDistance;
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private float m_NearestEdgeDistance;
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private int m_NearestVertex = -1;
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private int m_NearestEdge = -1;
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public SpriteMeshViewMode mode { get; set; }
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public ISelection<int> selection { get; set; }
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public int defaultControlID { get; set; }
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public Rect frame { get; set; }
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private IGUIWrapper guiWrapper { get; set; }
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public Vector2 mouseWorldPosition
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{
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get { return m_MouseWorldPosition; }
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}
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public int hoveredVertex
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{
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get { return m_HoveredVertex; }
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}
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public int hoveredEdge
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{
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get { return m_HoveredEdge; }
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}
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public int closestEdge
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{
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get { return m_NearestEdge; }
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}
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public SpriteMeshView(IGUIWrapper gw)
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{
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guiWrapper = gw;
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}
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public void CancelMode()
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{
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if (mode != SpriteMeshViewMode.EditGeometry)
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{
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if (guiWrapper.IsKeyDown(KeyCode.Escape) || guiWrapper.IsMouseDown(1))
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{
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mode = SpriteMeshViewMode.EditGeometry;
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guiWrapper.UseCurrentEvent();
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}
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}
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}
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public void BeginLayout()
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{
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var vertexControlID = guiWrapper.GetControlID(m_VertexHashCode, FocusType.Passive);
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var edgeControlID = guiWrapper.GetControlID(m_EdgeHashCode, FocusType.Passive);
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if (guiWrapper.eventType == EventType.Layout || guiWrapper.eventType == EventType.MouseMove)
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{
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m_NearestVertexDistance = float.MaxValue;
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m_NearestEdgeDistance = float.MaxValue;
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m_NearestVertex = -1;
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m_NearestEdge = -1;
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m_MouseWorldPosition = guiWrapper.GUIToWorld(guiWrapper.mousePosition);
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m_HoveredVertexControlID = vertexControlID;
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m_HoveredEdgeControlID = edgeControlID;
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m_PrevHoveredVertex = m_HoveredVertex;
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m_HoveredVertex = -1;
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m_HoveredEdge = -1;
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if (guiWrapper.IsControlHot(0))
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{
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m_MoveVertexControlID = -1;
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m_MoveEdgeControlID = -1;
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}
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}
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}
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public void EndLayout()
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{
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guiWrapper.LayoutControl(m_HoveredEdgeControlID, m_NearestEdgeDistance);
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guiWrapper.LayoutControl(m_HoveredVertexControlID, m_NearestVertexDistance);
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if(guiWrapper.IsControlNearest(m_HoveredVertexControlID))
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m_HoveredVertex = m_NearestVertex;
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if (guiWrapper.IsControlNearest(m_HoveredEdgeControlID))
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m_HoveredEdge = m_NearestEdge;
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if (guiWrapper.eventType == EventType.Layout || guiWrapper.eventType == EventType.MouseMove)
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if (m_PrevHoveredVertex != m_HoveredVertex)
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guiWrapper.Repaint();
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}
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public void LayoutVertex(Vector2 position, int index)
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{
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if (guiWrapper.eventType == EventType.Layout)
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{
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var distance = guiWrapper.DistanceToCircle(position, kVertexRadius);
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if (distance <= m_NearestVertexDistance)
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{
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m_NearestVertexDistance = distance;
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m_NearestVertex = index;
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}
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}
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}
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public void LayoutEdge(Vector2 startPosition, Vector2 endPosition, int index)
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{
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if (guiWrapper.eventType == EventType.Layout)
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{
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var distance = guiWrapper.DistanceToSegment(startPosition, endPosition);
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if (distance < m_NearestEdgeDistance)
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{
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m_NearestEdgeDistance = distance;
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m_NearestEdge = index;
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}
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}
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}
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public bool DoCreateVertex()
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{
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if (mode == SpriteMeshViewMode.CreateVertex && IsActionActive(MeshEditorAction.CreateVertex))
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ConsumeMouseMoveEvents();
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if (IsActionTriggered(MeshEditorAction.CreateVertex))
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{
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guiWrapper.SetGuiChanged(true);
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guiWrapper.UseCurrentEvent();
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return true;
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}
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return false;
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}
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public bool DoSelectVertex(out bool additive)
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{
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additive = false;
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if (IsActionTriggered(MeshEditorAction.SelectVertex))
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{
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additive = guiWrapper.isActionKeyDown;
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guiWrapper.Repaint();
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return true;
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}
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return false;
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}
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public bool DoMoveVertex(out Vector2 delta)
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{
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delta = Vector2.zero;
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if (IsActionTriggered(MeshEditorAction.MoveVertex))
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{
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m_MoveVertexControlID = m_HoveredVertexControlID;
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m_HotSliderData.position = mouseWorldPosition;
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}
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Vector3 newPosition;
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if (guiWrapper.DoSlider(m_MoveVertexControlID, m_HotSliderData, out newPosition))
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{
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delta = newPosition - m_HotSliderData.position;
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m_HotSliderData.position = newPosition;
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return true;
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}
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return false;
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}
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public bool DoMoveEdge(out Vector2 delta)
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{
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delta = Vector2.zero;
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if (IsActionTriggered(MeshEditorAction.MoveEdge))
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{
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m_MoveEdgeControlID = m_HoveredEdgeControlID;
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m_HotSliderData.position = mouseWorldPosition;
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}
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Vector3 newPosition;
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if (guiWrapper.DoSlider(m_MoveEdgeControlID, m_HotSliderData, out newPosition))
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{
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delta = newPosition - m_HotSliderData.position;
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m_HotSliderData.position = newPosition;
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return true;
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}
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return false;
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}
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public bool DoCreateEdge()
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{
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if (IsActionActive(MeshEditorAction.CreateEdge))
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ConsumeMouseMoveEvents();
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if (IsActionTriggered(MeshEditorAction.CreateEdge))
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{
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guiWrapper.SetGuiChanged(true);
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guiWrapper.UseCurrentEvent();
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return true;
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}
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return false;
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}
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public bool DoSplitEdge()
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{
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if (IsActionActive(MeshEditorAction.SplitEdge))
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ConsumeMouseMoveEvents();
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if (IsActionTriggered(MeshEditorAction.SplitEdge))
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{
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guiWrapper.UseCurrentEvent();
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guiWrapper.SetGuiChanged(true);
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return true;
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}
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return false;
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}
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public bool DoSelectEdge(out bool additive)
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{
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additive = false;
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if (IsActionTriggered(MeshEditorAction.SelectEdge))
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{
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additive = guiWrapper.isActionKeyDown;
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guiWrapper.Repaint();
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return true;
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}
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return false;
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}
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public bool DoRemove()
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{
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if (IsActionTriggered(MeshEditorAction.Remove))
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{
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guiWrapper.UseCurrentEvent();
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guiWrapper.SetGuiChanged(true);
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return true;
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}
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return false;
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}
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public void DrawVertex(Vector2 position)
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{
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DrawingUtility.DrawGUIStyleCap(0, position, Quaternion.identity, 1f, styles.pointNormalStyle);
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}
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public void DrawVertexHovered(Vector2 position)
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{
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DrawingUtility.DrawGUIStyleCap(0, position, Quaternion.identity, 1f, styles.pointHoveredStyle);
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}
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public void DrawVertexSelected(Vector2 position)
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{
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DrawingUtility.DrawGUIStyleCap(0, position, Quaternion.identity, 1f, styles.pointSelectedStyle);
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}
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public void BeginDrawEdges()
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{
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if (guiWrapper.eventType != EventType.Repaint)
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return;
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DrawingUtility.BeginSolidLines();
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m_TempColor = Handles.color;
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}
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public void EndDrawEdges()
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{
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if (guiWrapper.eventType != EventType.Repaint)
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return;
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DrawingUtility.EndLines();
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Handles.color = m_TempColor;
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}
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public void DrawEdge(Vector2 startPosition, Vector2 endPosition)
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{
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DrawEdge(startPosition, endPosition, kEdgeColor);
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}
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public void DrawEdgeHovered(Vector2 startPosition, Vector2 endPosition)
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{
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DrawEdge(startPosition, endPosition, kEdgeHoveredColor);
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}
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public void DrawEdgeSelected(Vector2 startPosition, Vector2 endPosition)
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{
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DrawEdge(startPosition, endPosition, kEdgeSelectedColor);
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}
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public bool IsActionActive(MeshEditorAction action)
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{
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if (guiWrapper.isAltDown || !guiWrapper.IsControlHot(0))
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return false;
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var canCreateEdge = CanCreateEdge();
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var canSplitEdge = CanSplitEdge();
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if (action == MeshEditorAction.None)
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return guiWrapper.IsControlNearest(defaultControlID);
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if (action == MeshEditorAction.CreateVertex)
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{
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if(!frame.Contains(mouseWorldPosition))
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return false;
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if (mode == SpriteMeshViewMode.EditGeometry)
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return guiWrapper.IsControlNearest(defaultControlID);
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if (mode == SpriteMeshViewMode.CreateVertex)
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return hoveredVertex == -1;
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}
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if (action == MeshEditorAction.MoveVertex)
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return guiWrapper.IsControlNearest(m_HoveredVertexControlID);
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if (action == MeshEditorAction.CreateEdge)
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return canCreateEdge;
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if (action == MeshEditorAction.SplitEdge)
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return canSplitEdge;
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if (action == MeshEditorAction.MoveEdge)
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return guiWrapper.IsControlNearest(m_HoveredEdgeControlID);
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if (action == MeshEditorAction.SelectVertex)
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return guiWrapper.IsControlNearest(m_HoveredVertexControlID);
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if (action == MeshEditorAction.SelectEdge)
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return mode == SpriteMeshViewMode.EditGeometry &&
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guiWrapper.IsControlNearest(m_HoveredEdgeControlID) &&
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!canCreateEdge && !canSplitEdge;
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if (action == MeshEditorAction.Remove)
|
||
|
|
return true;
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool IsActionHot(MeshEditorAction action)
|
||
|
|
{
|
||
|
|
if (action == MeshEditorAction.None)
|
||
|
|
return guiWrapper.IsControlHot(0);
|
||
|
|
|
||
|
|
if (action == MeshEditorAction.MoveVertex)
|
||
|
|
return guiWrapper.IsControlHot(m_HoveredVertexControlID);
|
||
|
|
|
||
|
|
if (action == MeshEditorAction.MoveEdge)
|
||
|
|
return guiWrapper.IsControlHot(m_HoveredEdgeControlID);
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool IsActionTriggered(MeshEditorAction action)
|
||
|
|
{
|
||
|
|
if (!IsActionActive(action))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
if (action == MeshEditorAction.CreateVertex)
|
||
|
|
{
|
||
|
|
if (mode == SpriteMeshViewMode.EditGeometry)
|
||
|
|
return guiWrapper.IsMouseDown(0) && guiWrapper.clickCount == 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (action == MeshEditorAction.Remove)
|
||
|
|
{
|
||
|
|
if ((guiWrapper.eventType == EventType.ValidateCommand || guiWrapper.eventType == EventType.ExecuteCommand)
|
||
|
|
&& (guiWrapper.commandName == kSoftDeleteCommandName || guiWrapper.commandName == kDeleteCommandName))
|
||
|
|
{
|
||
|
|
if (guiWrapper.eventType == EventType.ExecuteCommand)
|
||
|
|
return true;
|
||
|
|
|
||
|
|
guiWrapper.UseCurrentEvent();
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(action != MeshEditorAction.None)
|
||
|
|
return guiWrapper.IsMouseDown(0);
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public Vector2 WorldToScreen(Vector2 position)
|
||
|
|
{
|
||
|
|
return HandleUtility.WorldToGUIPoint(position);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void ConsumeMouseMoveEvents()
|
||
|
|
{
|
||
|
|
if (guiWrapper.eventType == EventType.MouseMove || (guiWrapper.eventType == EventType.MouseDrag && guiWrapper.mouseButton == 0))
|
||
|
|
guiWrapper.UseCurrentEvent();
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool CanCreateEdge()
|
||
|
|
{
|
||
|
|
if(!frame.Contains(mouseWorldPosition) || !(guiWrapper.IsControlNearest(defaultControlID) || guiWrapper.IsControlNearest(m_HoveredVertexControlID) || guiWrapper.IsControlNearest(m_HoveredEdgeControlID)))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
if (mode == SpriteMeshViewMode.EditGeometry)
|
||
|
|
return guiWrapper.isShiftDown && selection.Count == 1 && !selection.Contains(hoveredVertex);
|
||
|
|
|
||
|
|
if (mode == SpriteMeshViewMode.CreateEdge)
|
||
|
|
return selection.Count == 1 && !selection.Contains(hoveredVertex);
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
private bool CanSplitEdge()
|
||
|
|
{
|
||
|
|
if(!frame.Contains(mouseWorldPosition) || !(guiWrapper.IsControlNearest(defaultControlID) || guiWrapper.IsControlNearest(m_HoveredEdgeControlID)))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
if (mode == SpriteMeshViewMode.EditGeometry)
|
||
|
|
return guiWrapper.isShiftDown && m_NearestEdge != -1 && hoveredVertex == -1 && selection.Count == 0;
|
||
|
|
|
||
|
|
if (mode == SpriteMeshViewMode.SplitEdge)
|
||
|
|
return m_NearestEdge != -1 && hoveredVertex == -1;
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void DrawEdge(Vector2 startPosition, Vector2 endPosition, Color color)
|
||
|
|
{
|
||
|
|
if (guiWrapper.eventType != EventType.Repaint)
|
||
|
|
return;
|
||
|
|
|
||
|
|
Handles.color = color;
|
||
|
|
float width = kEdgeWidth / Handles.matrix.m00;
|
||
|
|
|
||
|
|
DrawingUtility.DrawSolidLine(width, startPosition, endPosition);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void DoRepaint()
|
||
|
|
{
|
||
|
|
if(guiWrapper.eventType != EventType.Layout)
|
||
|
|
return;
|
||
|
|
|
||
|
|
var action = MeshEditorAction.None;
|
||
|
|
|
||
|
|
if(IsActionActive(MeshEditorAction.CreateVertex))
|
||
|
|
action = MeshEditorAction.CreateVertex;
|
||
|
|
else if(IsActionActive(MeshEditorAction.CreateEdge))
|
||
|
|
action = MeshEditorAction.CreateEdge;
|
||
|
|
else if(IsActionActive(MeshEditorAction.SplitEdge))
|
||
|
|
action = MeshEditorAction.SplitEdge;
|
||
|
|
|
||
|
|
if(m_PreviousActiveAction != action)
|
||
|
|
{
|
||
|
|
m_PreviousActiveAction = action;
|
||
|
|
guiWrapper.Repaint();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool CanRepaint()
|
||
|
|
{
|
||
|
|
return guiWrapper.eventType == EventType.Repaint;
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool CanLayout()
|
||
|
|
{
|
||
|
|
return guiWrapper.eventType == EventType.Layout;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|