underwater tweaks

apps/openmw/mwrender/renderconst.hpp

@@ -18,6 +18,8 @@ enum RenderQueueGroups
 
     RQG_Alpha = Ogre::RENDER_QUEUE_7,
 
+    RQG_UnderWater = Ogre::RENDER_QUEUE_7+1,
+
     RQG_OcclusionQuery = Ogre::RENDER_QUEUE_8,
 
     // Sky late (sun & sun flare)

apps/openmw/mwrender/renderingmanager.cpp

@@ -54,6 +54,7 @@ RenderingManager::RenderingManager (OEngine::Render::OgreRenderer& _rend, const
     if (caps->getNumMultiRenderTargets() < 2)
         Settings::Manager::setBool("shader", "Water", false);
 
+    // note that the order is important here
     if (useMRT())
     {
         CompositorManager::getSingleton().addCompositor(mRendering.getViewport(), "gbuffer");
@@ -61,6 +62,7 @@ RenderingManager::RenderingManager (OEngine::Render::OgreRenderer& _rend, const
         CompositorManager::getSingleton().addCompositor(mRendering.getViewport(), "gbufferFinalizer");
         CompositorManager::getSingleton().setCompositorEnabled(mRendering.getViewport(), "gbufferFinalizer", true);
     }
+    CompositorManager::getSingleton().addCompositor(mRendering.getViewport(), "Water");
 
     // Turn the entire scene (represented by the 'root' node) -90
     // degrees around the x axis. This makes Z go upwards, and Y go into

apps/openmw/mwrender/water.cpp

@@ -16,7 +16,6 @@ Water::Water (Ogre::Camera *camera, SkyManager* sky, const ESM::Cell* cell) :
 
     try
     {
-        CompositorManager::getSingleton().addCompositor(mViewport, "Water", -1);
         CompositorManager::getSingleton().setCompositorEnabled(mViewport, "Water", false);
     } catch(...) {}
 
@@ -76,7 +75,7 @@ Water::Water (Ogre::Camera *camera, SkyManager* sky, const ESM::Cell* cell) :
 void Water::setActive(bool active)
 {
     mActive = active;
-    if (mReflectionTarget) mReflectionTarget->setActive(active);
+    if (mReflectionTarget) mReflectionTarget->setActive(active && !mIsUnderwater);
     mWater->setVisible(active);
 }
 
@@ -130,6 +129,8 @@ void Water::checkUnderwater(float y)
         if (mReflectionTarget)
             mReflectionTarget->setActive(mActive);
 
+        mWater->setRenderQueueGroup(RQG_Water);
+
         mIsUnderwater = false;
     } 
 
@@ -147,6 +148,8 @@ void Water::checkUnderwater(float y)
         if (mReflectionTarget)
             mReflectionTarget->setActive(false);
 
+        mWater->setRenderQueueGroup(RQG_UnderWater);
+
         mIsUnderwater = true;
     }
 }