public SceneOverlayWindow(GUIContent title, OnWindowGUICallback onWindowGUI, UnityEngine.Object target, int priority = int.MaxValue)
{
this.target = target;
var unityEditor = Assembly.GetAssembly(typeof(UnityEditor.SceneView));
var overlayWindowType = unityEditor.GetType("UnityEditor.OverlayWindow");
var sceneViewOverlayType = unityEditor.GetType("UnityEditor.SceneViewOverlay");
var windowFuncType = sceneViewOverlayType.GetNestedType("WindowFunction");
var windowFunc = Delegate.CreateDelegate(windowFuncType, onWindowGUI.Target, onWindowGUI.Method);
var windowDisplayOptionType = sceneViewOverlayType.GetNestedType("WindowDisplayOption");
sceneOverlayWindow = Activator.CreateInstance(overlayWindowType,
title,
windowFunc,
int.MaxValue, this.target,
Enum.Parse(windowDisplayOptionType, "OneWindowPerTarget") //SceneViewOverlay.WindowDisplayOption.OneWindowPerTarget
);
showWindow = sceneViewOverlayType.GetMethod("ShowWindow", BindingFlags.Static | BindingFlags.Public);
// showWindow = Delegate.CreateDelegate(typeof(ShowWindowFunc), showSceneViewOverlay) as ShowWindowFunc;
}
public SceneOverlayWindow(GUIContent title, OnWindowGUICallback onWindowGUI, UnityEngine.Object target, int priority = int.MaxValue)
{
this.target = target;
var unityEditor = Assembly.GetAssembly(typeof(UnityEditor.SceneView));
// Credit to @LogicalError for the Unity 2019 code path
// (Original: https://github.com/RadicalCSG/Chisel.Prototype/blob/master/Packages/com.chisel.editor/Chisel/Editor/Editor/Scene/Overlays/ChiselOverlay.cs)
#if UNITY_2019_3 || UNITY_2019_4
var overlayWindowType = unityEditor.GetType("UnityEditor.SceneViewOverlay+OverlayWindow");
#elif UNITY_2020_1_OR_NEWER
var overlayWindowType = unityEditor.GetType("UnityEditor.OverlayWindow");
#endif
var sceneViewOverlayType = unityEditor.GetType("UnityEditor.SceneViewOverlay");
var windowFuncType = sceneViewOverlayType.GetNestedType("WindowFunction");
var sceneViewFuncDelegate = Delegate.CreateDelegate(windowFuncType, onWindowGUI.Target, onWindowGUI.Method);
var windowDisplayOptionType = sceneViewOverlayType.GetNestedType("WindowDisplayOption");
var windowDisplayOption = Enum.Parse(windowDisplayOptionType, "OneWindowPerTarget");
#if UNITY_2019_3 || UNITY_2019_4
windowMethod = sceneViewOverlayType.GetMethods(System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public).FirstOrDefault(t => t.Name == "Window" && t.GetParameters().Length == 6);
windowMethodParams = new object[]
{
title, sceneViewFuncDelegate, priority, target, windowDisplayOption, null
};
#elif UNITY_2020_1_OR_NEWER
//public static void ShowWindow(OverlayWindow window)
windowMethod = sceneViewOverlayType.GetMethod("ShowWindow", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public);
//public OverlayWindow(GUIContent title, SceneViewOverlay.WindowFunction guiFunction, int primaryOrder, Object target, SceneViewOverlay.WindowDisplayOption option)
sceneOverlayWindow = Activator.CreateInstance(overlayWindowType,
title,
sceneViewFuncDelegate,
int.MaxValue, this.target,
windowDisplayOption //SceneViewOverlay.WindowDisplayOption.OneWindowPerTarget
);
windowMethodParams = new object[] { sceneOverlayWindow };
#endif
}