Adds external dep dtentity

external/dtEntity/include/dtEntityOSG/shadercomponent.h

@@ -0,0 +1,101 @@
+#pragma once
+
+/* -*-c++-*-
+* dtEntity Game and Simulation Engine
+*
+* This library is free software; you can redistribute it and/or modify it under
+* the terms of the GNU Lesser General Public License as published by the Free
+* Software Foundation; either version 2.1 of the License, or (at your option)
+* any later version.
+*
+* This library is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+* details.
+*
+* You should have received a copy of the GNU Lesser General Public License
+* along with this library; if not, write to the Free Software Foundation, Inc.,
+* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*
+* Martin Scheffler
+*/
+
+#include <dtEntityOSG/export.h>
+#include <dtEntity/defaultentitysystem.h>
+#include <dtEntity/stringid.h>
+#include <dtEntity/scriptaccessor.h>
+
+namespace osg
+{
+   class Program;
+}
+
+namespace dtEntityOSG
+{
+
+   class DTENTITY_OSG_EXPORT ShaderComponent : public dtEntity::Component
+   {
+
+      typedef dtEntity::Component BaseClass;
+
+   public:
+      
+      static const dtEntity::ComponentType TYPE;
+      static const dtEntity::StringId MaterialNamePrefixId;
+      static const dtEntity::StringId TopLevelMaterialNameId;
+
+      ShaderComponent();
+      virtual ~ShaderComponent();
+
+      void OnAddedToEntity(dtEntity::Entity& entity);
+
+      virtual dtEntity::ComponentType GetType() const { return TYPE; }
+
+      std::string GetMaterialNamePrefix() const { return mMaterialNamePrefix.Get(); }
+      void SetMaterialNamePrefix(const std::string& s) { mMaterialNamePrefix.Set(s); }
+
+      std::string GetTopLevelMaterialName() const { return mTopLevelMaterialName.Get(); }
+      void SetTopLevelMaterialName(const std::string& s) { mTopLevelMaterialName.Set(s); }
+
+   private:
+      dtEntity::StringProperty mMaterialNamePrefix;
+      dtEntity::StringProperty mTopLevelMaterialName;
+
+   };
+
+  
+   //////////////////////////////////////////////////////////
+
+   // storage only
+   class DTENTITY_OSG_EXPORT ShaderSystem
+      : public dtEntity::DefaultEntitySystem<ShaderComponent>
+      , public dtEntity::ScriptAccessor
+   {
+      typedef dtEntity::DefaultEntitySystem<ShaderComponent> BaseClass;
+
+   public:
+      static const dtEntity::ComponentType TYPE;
+
+      ShaderSystem(dtEntity::EntityManager& em);
+      ~ShaderSystem();
+
+      void AddProgram(const std::string& name, osg::Program* prg);
+      osg::Program* GetProgram(const std::string& name) const;
+
+      virtual bool CreateComponent(dtEntity::EntityId eid, dtEntity::Component*& component);
+
+   private:
+
+      typedef std::map<std::string, osg::ref_ptr<osg::Program> > ProgramMap;
+      ProgramMap mPrograms;
+      dtEntity::MessageFunctor mChangedMeshFunctor;
+
+      void OnChangedMesh(const dtEntity::Message& msg);
+      void ApplyShader(dtEntity::EntityId);
+      dtEntity::Property* ScriptAddProgram(const dtEntity::PropertyArgs& args);
+      dtEntity::Property* ScriptAddUniform(const dtEntity::PropertyArgs& args);
+      dtEntity::Property* ScriptRemoveUniform(const dtEntity::PropertyArgs& args);
+
+   };
+
+}