Allow to assign custom shaders to nodes

components/resource/scenemanager.cpp

@@ -242,9 +242,9 @@ namespace Resource
         return mForceShaders;
     }
 
-    void SceneManager::recreateShaders(osg::ref_ptr<osg::Node> node)
+    void SceneManager::recreateShaders(osg::ref_ptr<osg::Node> node, const std::string& shaderPrefix)
     {
-        osg::ref_ptr<Shader::ShaderVisitor> shaderVisitor(createShaderVisitor());
+        osg::ref_ptr<Shader::ShaderVisitor> shaderVisitor(createShaderVisitor(shaderPrefix));
         shaderVisitor->setAllowedToModifyStateSets(false);
         node->accept(*shaderVisitor);
     }
@@ -761,9 +761,9 @@ namespace Resource
         stats->setAttribute(frameNumber, "Node Instance", mInstanceCache->getCacheSize());
     }
 
-    Shader::ShaderVisitor *SceneManager::createShaderVisitor()
+    Shader::ShaderVisitor *SceneManager::createShaderVisitor(const std::string& shaderPrefix)
     {
-        Shader::ShaderVisitor* shaderVisitor = new Shader::ShaderVisitor(*mShaderManager.get(), *mImageManager, "objects_vertex.glsl", "objects_fragment.glsl");
+        Shader::ShaderVisitor* shaderVisitor = new Shader::ShaderVisitor(*mShaderManager.get(), *mImageManager, shaderPrefix+"_vertex.glsl", shaderPrefix+"_fragment.glsl");
         shaderVisitor->setForceShaders(mForceShaders);
         shaderVisitor->setAutoUseNormalMaps(mAutoUseNormalMaps);
         shaderVisitor->setNormalMapPattern(mNormalMapPattern);

components/resource/scenemanager.hpp

@@ -51,7 +51,7 @@ namespace Resource
         Shader::ShaderManager& getShaderManager();
 
         /// Re-create shaders for this node, need to call this if texture stages or vertex color mode have changed.
-        void recreateShaders(osg::ref_ptr<osg::Node> node);
+        void recreateShaders(osg::ref_ptr<osg::Node> node, const std::string& shaderPrefix = "objects");
 
         /// @see ShaderVisitor::setForceShaders
         void setForceShaders(bool force);
@@ -146,7 +146,7 @@ namespace Resource
 
     private:
 
-        Shader::ShaderVisitor* createShaderVisitor();
+        Shader::ShaderVisitor* createShaderVisitor(const std::string& shaderPrefix = "objects");
 
         std::unique_ptr<Shader::ShaderManager> mShaderManager;
         bool mForceShaders;