Initial commit

Library/PackageCache/com.unity.2d.animation@3.2.6/Editor/SkinningModule/BaseTool.cs

@@ -0,0 +1,68 @@
+using System;
+using UnityEditor.U2D.Layout;
+using UnityEngine;
+
+namespace UnityEditor.U2D.Animation
+{
+    internal interface ITool {}
+
+    internal abstract class BaseTool : SkinningObject, ITool
+    {
+        [SerializeField] 
+        private LayoutOverlay m_LayoutOverlay;
+
+        internal LayoutOverlay layoutOverlay
+        {
+            get
+            {
+                return m_LayoutOverlay;                
+            }
+        }
+
+        [SerializeField]
+        private bool m_IsActive = false;
+        public bool isActive
+        {
+            get { return m_IsActive; }
+            private set { m_IsActive = value; }
+        }
+
+        public virtual int defaultControlID { get { return 0; } }
+
+        public virtual IMeshPreviewBehaviour previewBehaviour
+        {
+            get { return null; }
+        }
+
+        internal override void OnDestroy()
+        {
+            Deactivate();
+        }
+
+        public void Activate()
+        {
+            isActive = true;
+            OnActivate();
+        }
+
+        public void Deactivate()
+        {
+            isActive = false;
+            OnDeactivate();
+        }
+
+        public void DoGUI()
+        {
+            if (isActive)
+                OnGUI();
+        }
+
+        public virtual void Initialize(LayoutOverlay layout)
+        {
+            m_LayoutOverlay = layout;
+        }
+        protected virtual void OnActivate() {}
+        protected virtual void OnDeactivate() {}
+        protected virtual void OnGUI() {}
+    }
+}