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Assets/Plugins/Fullscreen/Editor/DisableSceneView.cs

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+using UnityEditor;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    public class DisableSceneView {
+
+        // TODO: Patcher resets the method to original after a while
+        // TODO: or the shouldSkipRender is not being properly calculated
+        private static Patcher patcher = null;
+
+        public static bool RenderingDisabled {
+            get {
+                return patcher == null ? false : patcher.IsPatched();
+            }
+            set {
+                if(patcher == null) return;
+
+                if(value == patcher.IsPatched())
+                    return;
+                else if(!value)
+                    patcher.Revert();
+                else if(FullscreenPreferences.DisableSceneViewRendering)
+                    patcher.SwapMethods();
+
+                if(!value || FullscreenPreferences.DisableSceneViewRendering)
+                    foreach(var c in SceneView.GetAllSceneCameras())
+                        c.gameObject.SetActive(!value);
+
+                Logger.Debug("{0} Scene View Rendering", value ? "Disabled" : "Enabled");
+                SceneView.RepaintAll();
+            }
+        }
+
+        [InitializeOnLoadMethod]
+        private static void Init() {
+            if(!Patcher.IsSupported()) return;
+
+            var sceneGUIName = ReflectionUtility.HasMethod(typeof(SceneView), "OnSceneGUI") ? "OnSceneGUI" : "OnGUI";
+
+            patcher = new Patcher(
+                    typeof(SceneView).FindMethod(sceneGUIName), // Original method
+                    typeof(DisableSceneView).FindMethod("OnGUI") // Replacement
+                );
+
+            SceneView.beforeSceneGui += OnBeforeSceneGUI;
+
+            // Initial
+            RenderingDisabled = Fullscreen.GetAllFullscreen().Length > 0;
+
+            // On preferences change
+            FullscreenPreferences.DisableSceneViewRendering.OnValueSaved += (v) =>
+                RenderingDisabled = v && Fullscreen.GetAllFullscreen().Length > 0;
+
+            // On fullscreen open
+            FullscreenCallbacks.afterFullscreenOpen += (f) =>
+                RenderingDisabled = true;
+
+            // Disable the patching if we're the last fullscreen open
+            FullscreenCallbacks.afterFullscreenClose += (f) => {
+                if(Fullscreen.GetAllFullscreen().Length <= 1)
+                    RenderingDisabled = false;
+            };
+        }
+
+        private static void OnBeforeSceneGUI(SceneView sceneView) {
+            var shouldRender = !RenderingDisabled || Fullscreen.GetFullscreenFromView(new ViewPyramid(sceneView).Container, false);
+            sceneView.autoRepaintOnSceneChange = shouldRender;
+        }
+
+        // This should not be a static method, as static has no this
+        // However, the 'this' in the method is unreliable and should be casted before using
+        private void OnGUI() {
+            var _this = (object)this as SceneView;
+            var vp = new ViewPyramid(_this);
+            var shouldRender = Fullscreen.GetFullscreenFromView(vp.Container, false); // Render if this window is in fullscreen
+
+            if(shouldRender) {
+                // Do this outside of OnGUI to prevent controls count errors
+                After.Frames(1, () => EnableRenderingTemporarily());
+            } else {
+                _this.autoRepaintOnSceneChange = false;
+                CustomOnGUI();
+            }
+        }
+
+        private static class Styles {
+
+            public static readonly GUIStyle textStyle = new GUIStyle("BoldLabel");
+            public static readonly GUIStyle backgroundShadow = new GUIStyle("InnerShadowBg");
+            public static readonly GUIStyle buttonStyle = new GUIStyle("LargeButton");
+            public static readonly GUIStyle secondaryTextStyle = new GUIStyle(EditorStyles.centeredGreyMiniLabel);
+
+            static Styles() {
+                textStyle.wordWrap = true;
+                textStyle.alignment = TextAnchor.MiddleCenter;
+            }
+
+        }
+
+        private void CustomOnGUI() {
+            using(var mainScope = new EditorGUILayout.VerticalScope(Styles.backgroundShadow)) {
+                using(new GUIColor(Styles.textStyle.normal.textColor * 0.05f))
+                    GUI.DrawTexture(mainScope.rect, FullscreenUtility.FullscreenIcon, ScaleMode.ScaleAndCrop);
+
+                GUILayout.FlexibleSpace();
+
+                using(new EditorGUILayout.HorizontalScope()) {
+                    GUILayout.FlexibleSpace();
+
+                    using(new GUIContentColor(Styles.textStyle.normal.textColor))
+                        GUILayout.Label(FullscreenUtility.FullscreenIcon, Styles.textStyle);
+
+                    using(new EditorGUILayout.VerticalScope()) {
+                        GUILayout.Label("Scene View rendering has been disabled\nto improve fullscreen performance", Styles.textStyle);
+                    }
+
+                    GUILayout.FlexibleSpace();
+                }
+
+                using(new EditorGUILayout.HorizontalScope()) {
+                    GUILayout.FlexibleSpace();
+                    if(GUILayout.Button("Enable Temporarily", Styles.buttonStyle)) {
+                        // Do this outside of OnGUI to prevent controls count errors
+                        After.Frames(1, () => EnableRenderingTemporarily());
+                        var _this = (object)this as SceneView;
+                        _this.Focus();
+                    }
+                    if(GUILayout.Button("Enable Permanently", Styles.buttonStyle)) {
+                        // Do this outside of OnGUI to prevent controls count errors
+                        After.Frames(1, () => EnableRenderingPermanently());
+                        var _this = (object)this as SceneView;
+                        _this.Focus();
+                    }
+                    GUILayout.FlexibleSpace();
+                }
+
+                GUILayout.Label("* This can be changed later in the preferences", Styles.secondaryTextStyle);
+                GUILayout.FlexibleSpace();
+            }
+        }
+
+        public static void EnableRenderingTemporarily() {
+            RenderingDisabled = false;
+        }
+
+        public static void EnableRenderingPermanently() {
+            FullscreenPreferences.DisableSceneViewRendering.Value = false;
+        }
+
+    }
+}