Action Bar Weapon Group Binding

Selecting a weapon now displays weapon group toggles
Added global drag and drop handling in game manager
Weapon group toggles can be dragged to action bar to bind them

Assets/Scripts/Editor/PlayScenePlusPlus.cs

@@ -0,0 +1,40 @@
+using UnityEditor;
+using UnityEditor.SceneManagement;
+
+[InitializeOnLoad]
+public class PlayScenePlusPlus
+{
+    static PlayScenePlusPlus()
+    {
+        if(EditorPrefs.HasKey("PlayScene"))
+        {
+            EditorSceneManager.playModeStartScene = AssetDatabase.LoadAssetAtPath<SceneAsset>(EditorPrefs.GetString("PlayScene"));
+        }
+    }
+
+    [MenuItem("Edit/Play Scene/Set Static", false)]
+    private static void SelectPlayScene()
+    {
+        EditorSceneManager.playModeStartScene = Selection.activeObject as SceneAsset;
+        EditorPrefs.SetString("PlayScene", AssetDatabase.GetAssetPath(EditorSceneManager.playModeStartScene));
+    }
+
+    [MenuItem("Edit/Play Scene/Set Static", true)]
+    private static bool SelectPlaySceneValidate()
+    {
+        return Selection.objects.Length == 1 && Selection.activeObject is SceneAsset;
+    }
+
+    [MenuItem("Edit/Play Scene/Clear", false)]
+    private static void ClearPlayScene()
+    {
+        EditorSceneManager.playModeStartScene = null;
+        EditorPrefs.DeleteKey("PlayScene");
+    }
+
+    [MenuItem("Edit/Play Scene/Clear", true)]
+    private static bool ClearPlaySceneValidate()
+    {
+        return EditorSceneManager.playModeStartScene;
+    }
+}