Adds external dep dtentity

external/dtEntity/include/dtEntityOSG/nodecomponent.h

@@ -0,0 +1,113 @@
+#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 <osg/ref_ptr>
+#include <dtEntityOSG/export.h>
+#include <dtEntity/defaultentitysystem.h>
+#include <dtEntity/component.h>
+#include <dtEntity/property.h>
+#include <dtEntity/stringid.h>
+#include <osg/Node>
+
+namespace dtEntityOSG
+{
+
+   class DTENTITY_OSG_EXPORT NodeStore
+   {
+   public:
+
+      NodeStore();
+      NodeStore(osg::Node* node);
+      virtual ~NodeStore();
+
+      /**
+       * returns encapsulated node
+       */
+      virtual osg::Node* GetNode() const;
+
+      /**
+       * Sets encapsulated node. Also, if the currently held node
+       * is attached as a child to another component then it is
+       * removed from that parent and the passed node is added as a child
+       */
+      virtual void SetNode(osg::Node* node);
+
+       /**
+       * type of compponent that this node component is attached to.
+       * Is 0 if not attached to a parent
+       */
+      dtEntity::ComponentType GetParentComponent() const { return mParentComponent; }
+      void SetParentComponent(dtEntity::ComponentType c) { mParentComponent = c; }
+
+      void ClearFromParent();
+
+      void SetNodeMask(unsigned int nodemask, bool recursive = false);
+      unsigned int GetNodeMask() const;
+      
+      void SetNodeEntity(dtEntity::Entity*);
+      dtEntity::Entity* GetNodeEntity();
+
+   private:
+      osg::ref_ptr<osg::Node> mNode;
+      dtEntity::ComponentType mParentComponent;
+   };
+   ///////////////////////////////////////////////////////////////////////////
+   /**
+    * Holds a single OSG node. Subclass this if you want to wrap an object
+    * derived from osg::Node. NodeComponent instances can be attached to
+    * the scene by the Layer system.
+    */
+   class DTENTITY_OSG_EXPORT NodeComponent 
+      : public dtEntity::Component
+      , public NodeStore
+   {
+
+   public:
+      
+      static const dtEntity::ComponentType TYPE;
+      
+      NodeComponent();
+      NodeComponent(osg::Node* node);
+      virtual ~NodeComponent();
+
+      virtual dtEntity::ComponentType GetType() const { return TYPE; }
+
+      virtual void OnAddedToEntity(dtEntity::Entity& entity);
+      virtual void OnRemovedFromEntity(dtEntity::Entity& entity);
+   
+   protected:
+      
+   };
+
+  
+   ///////////////////////////////////////////////////////////////////////////
+   // storage only
+   class DTENTITY_OSG_EXPORT NodeSystem
+      : public dtEntity::DefaultEntitySystem<NodeComponent>
+   {
+   public:
+      NodeSystem(dtEntity::EntityManager& em)
+         : dtEntity::DefaultEntitySystem<NodeComponent>(em)
+      {
+
+      }
+   };}