add Draw Helpers changed notification + physx draw helpers listens to it (#1456)

2021-06-21 16:25:45 +01:00
parent 124cc1f1c1
commit 9f934a6f63
4 changed files with 104 additions and 15 deletions
@@ -210,6 +210,19 @@ namespace AzToolsFramework
        //! Type to inherit to implement ViewportInteractionRequests.
        using ViewportInteractionRequestBus = AZ::EBus<ViewportInteractionRequests, ViewportEBusTraits>;

+        //! An interface to notify when changes to viewport settings have happened.
+        class ViewportSettingNotifications
+        {
+        public:
+            virtual void OnGridSnappingChanged([[maybe_unused]] bool enabled) {}
+            virtual void OnDrawHelpersChanged([[maybe_unused]] bool enabled) {}
+
+        protected:
+            ViewportSettingNotifications() = default;
+        };
+
+        using ViewportSettingsNotificationBus = AZ::EBus<ViewportSettingNotifications, ViewportEBusTraits>;
+
        //! Requests to freeze the Viewport Input
        //! Added to prevent a bug with the legacy CryEngine Viewport code that would
        //! keep doing raycast tests even when no level is loaded, causing a crash.