From 56c74fb96fcf59a43919d8f303ffb222817d4857 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miloslav=20=C4=8C=C3=AD=C5=BE?= <tastyfish@seznam.cz>
Date: Thu, 16 Nov 2017 12:46:46 +0100
Subject: [PATCH] add scene switch node

---
 apps/openmw/mwrender/renderingmanager.cpp | 11 ++++++++---
 apps/openmw/mwrender/renderingmanager.hpp |  1 +
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/apps/openmw/mwrender/renderingmanager.cpp b/apps/openmw/mwrender/renderingmanager.cpp
index c571d516f..bc16a5ea2 100644
--- a/apps/openmw/mwrender/renderingmanager.cpp
+++ b/apps/openmw/mwrender/renderingmanager.cpp
@@ -205,7 +205,9 @@ namespace MWRender
         mSceneRoot = sceneRoot;
         sceneRoot->setStartLight(1);
 
-        mRootNode->addChild(sceneRoot);
+        mSceneSwitch = new osg::Switch;
+        mSceneSwitch->addChild(sceneRoot);
+        mRootNode->addChild(mSceneSwitch);
 
         mPathgrid.reset(new Pathgrid(mRootNode));
 
@@ -814,13 +816,16 @@ namespace MWRender
         // at the time this function is called we are in the middle of a frame,
         // so out of order calls are necessary to get a correct frameNumber for the next frame.
         // refer to the advance() and frame() order in Engine::go()
- 
+
+        mSceneSwitch->setAllChildrenOff();    // don't render the scene for main camera
+
         mViewer->eventTraversal();
         mViewer->updateTraversal();
         mViewer->renderingTraversals();
-
         callback->waitTillDone();
 
+        mSceneSwitch->setAllChildrenOn();
+
         mViewer->getCamera()->setClearMask(maskBackup);
         mViewer->getCamera()->setClearDepth(clearDepthBackup);
 
diff --git a/apps/openmw/mwrender/renderingmanager.hpp b/apps/openmw/mwrender/renderingmanager.hpp
index 8fd96cff9..4a271228e 100644
--- a/apps/openmw/mwrender/renderingmanager.hpp
+++ b/apps/openmw/mwrender/renderingmanager.hpp
@@ -224,6 +224,7 @@ namespace MWRender
         osg::ref_ptr<osgViewer::Viewer> mViewer;
         osg::ref_ptr<osg::Group> mRootNode;
         osg::ref_ptr<osg::Group> mSceneRoot;
+        osg::ref_ptr<osg::Switch> mSceneSwitch;
         Resource::ResourceSystem* mResourceSystem;
 
         osg::ref_ptr<SceneUtil::WorkQueue> mWorkQueue;