Initial commit

Library/PackageCache/com.unity.2d.path@2.1.0/Editor/EditablePath/EditablePath.cs

@@ -0,0 +1,147 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace UnityEditor.U2D.Path
+{
+    [Serializable]
+    public class EditablePath : IEditablePath
+    {
+        [SerializeField]
+        private ShapeType m_ShapeType;
+        [SerializeField]
+        private IndexedSelection m_Selection = new IndexedSelection();
+        [SerializeField]
+        private List<ControlPoint> m_ControlPoints = new List<ControlPoint>();
+        [SerializeField]
+        private bool m_IsOpenEnded;
+        private Matrix4x4 m_LocalToWorldMatrix = Matrix4x4.identity;
+        private Matrix4x4 m_WorldToLocalMatrix = Matrix4x4.identity;
+        private Vector3 m_Forward = Vector3.forward;
+        private Vector3 m_Up = Vector3.up;
+        private Vector3 m_Right = Vector3.right;
+
+        public ShapeType shapeType
+        {
+            get { return m_ShapeType; }
+            set { m_ShapeType = value; }
+        }
+
+        public IUndoObject undoObject { get; set; }
+        
+        public Matrix4x4 localToWorldMatrix
+        {
+            get { return m_LocalToWorldMatrix; }
+            set
+            {
+                m_LocalToWorldMatrix = value;
+                m_WorldToLocalMatrix = value.inverse;
+            }
+        }
+
+        public Vector3 forward
+        {
+            get { return m_Forward; }
+            set { m_Forward = value; }
+        }
+
+        public Vector3 up
+        {
+            get { return m_Up; }
+            set { m_Up = value; }
+        }
+
+        public Vector3 right
+        {
+            get { return m_Right; }
+            set { m_Right = value; }
+        }
+
+        public Matrix4x4 worldToLocalMatrix
+        {
+            get { return m_WorldToLocalMatrix; }
+        }
+
+        public bool isOpenEnded
+        {
+            get
+            {
+                if (pointCount < 3)
+                    return true;
+                
+                return m_IsOpenEnded;
+            }
+            set { m_IsOpenEnded = value; }
+        }
+
+        public ISelection<int> selection
+        {
+            get { return m_Selection; }
+        }
+
+        public int pointCount
+        {
+            get { return m_ControlPoints.Count; }
+        }
+
+        public ControlPoint GetPoint(int index)
+        {
+            return TransformPoint(localToWorldMatrix, m_ControlPoints[index]);
+        }
+
+        public void SetPoint(int index, ControlPoint controlPoint)
+        {
+            m_ControlPoints[index] = TransformPoint(worldToLocalMatrix, controlPoint);
+        }
+
+        public void AddPoint(ControlPoint controlPoint)
+        {
+            m_ControlPoints.Insert(pointCount, TransformPoint(worldToLocalMatrix, controlPoint));
+        }
+
+        public void InsertPoint(int index, ControlPoint controlPoint)
+        {
+            m_ControlPoints.Insert(index, TransformPoint(worldToLocalMatrix, controlPoint));
+        }
+
+        public void RemovePoint(int index)
+        {
+            m_ControlPoints.RemoveAt(index);
+        }
+
+        public void Clear()
+        {
+            m_ControlPoints.Clear();
+        }
+        
+        private ControlPoint TransformPoint(Matrix4x4 transformMatrix, ControlPoint controlPoint)
+        {
+            if (transformMatrix == Matrix4x4.identity)
+                return controlPoint;
+
+            var newControlPoint = new ControlPoint()
+            {
+                position = transformMatrix.MultiplyPoint3x4(controlPoint.position),
+                tangentMode = controlPoint.tangentMode,
+                continuousCache = controlPoint.continuousCache,
+                brokenCache = controlPoint.brokenCache,
+                mirrorLeft = controlPoint.mirrorLeft
+            };
+
+            newControlPoint.rightTangent = transformMatrix.MultiplyPoint3x4(controlPoint.rightTangent);
+            newControlPoint.leftTangent = transformMatrix.MultiplyPoint3x4(controlPoint.leftTangent);
+
+            return newControlPoint;
+        }
+
+        public bool Select(ISelector<Vector3> selector)
+        {
+            var changed = false;
+
+            for (var i = 0; i < pointCount; ++i)
+                changed |= selection.Select(i, selector.Select(GetPoint(i).position));
+
+            return changed;
+        }
+    }
+}