Use a shader if required to display the composite map

Fixes composited terrain not respecting the 'clamp lighting' setting.

components/terrain/chunkmanager.cpp

@@ -201,12 +201,14 @@ osg::ref_ptr<osg::Node> ChunkManager::createChunk(float chunkSize, const osg::Ve
 
         mCompositeMapRenderer->addCompositeMap(compositeMap.get(), false);
 
-        std::vector<osg::ref_ptr<osg::StateSet> > passes2;
-        passes2.push_back(new osg::StateSet);
-        passes2[0]->setTextureAttributeAndModes(0, compositeMap->mTexture, osg::StateAttribute::ON);
-        geometry->setPasses(passes2);
-
         transform->getOrCreateUserDataContainer()->setUserData(compositeMap);
+
+        TextureLayer layer;
+        layer.mDiffuseMap = compositeMap->mTexture;
+        layer.mParallax = false;
+        layer.mSpecular = false;
+        geometry->setPasses(::Terrain::createPasses(mSceneManager->getForceShaders() || !mSceneManager->getClampLighting(), mSceneManager->getForcePerPixelLighting(),
+                                                    mSceneManager->getClampLighting(), &mSceneManager->getShaderManager(), std::vector<TextureLayer>(1, layer), std::vector<osg::ref_ptr<osg::Texture2D> >(), 1.f, 1.f));
     }
     else
     {

components/terrain/material.cpp

@@ -81,7 +81,8 @@ namespace Terrain
             {
                 stateset->setTextureAttributeAndModes(texunit, it->mDiffuseMap);
 
-                stateset->setTextureAttributeAndModes(texunit, getLayerTexMat(layerTileSize), osg::StateAttribute::ON);
+                if (layerTileSize != 1.f)
+                    stateset->setTextureAttributeAndModes(texunit, getLayerTexMat(layerTileSize), osg::StateAttribute::ON);
 
                 stateset->addUniform(new osg::Uniform("diffuseMap", texunit));
 
@@ -147,7 +148,8 @@ namespace Terrain
                 osg::ref_ptr<osg::Texture2D> tex = it->mDiffuseMap;
                 stateset->setTextureAttributeAndModes(texunit, tex.get());
 
-                stateset->setTextureAttributeAndModes(texunit, getLayerTexMat(layerTileSize), osg::StateAttribute::ON);
+                if (layerTileSize != 1.f)
+                    stateset->setTextureAttributeAndModes(texunit, getLayerTexMat(layerTileSize), osg::StateAttribute::ON);
             }
 
             firstLayer = false;