114 lines
3.3 KiB
C++
114 lines
3.3 KiB
C++
#pragma once
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/* -*-c++-*-
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* dtEntity Game and Simulation Engine
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Martin Scheffler
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*/
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#include <osg/ref_ptr>
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#include <dtEntityOSG/export.h>
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#include <dtEntity/defaultentitysystem.h>
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#include <dtEntity/component.h>
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#include <dtEntity/property.h>
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#include <dtEntity/stringid.h>
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#include <osg/Node>
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namespace dtEntityOSG
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{
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class DTENTITY_OSG_EXPORT NodeStore
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{
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public:
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NodeStore();
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NodeStore(osg::Node* node);
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virtual ~NodeStore();
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/**
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* returns encapsulated node
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*/
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virtual osg::Node* GetNode() const;
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/**
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* Sets encapsulated node. Also, if the currently held node
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* is attached as a child to another component then it is
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* removed from that parent and the passed node is added as a child
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*/
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virtual void SetNode(osg::Node* node);
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/**
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* type of compponent that this node component is attached to.
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* Is 0 if not attached to a parent
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*/
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dtEntity::ComponentType GetParentComponent() const { return mParentComponent; }
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void SetParentComponent(dtEntity::ComponentType c) { mParentComponent = c; }
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void ClearFromParent();
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void SetNodeMask(unsigned int nodemask, bool recursive = false);
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unsigned int GetNodeMask() const;
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void SetNodeEntity(dtEntity::Entity*);
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dtEntity::Entity* GetNodeEntity();
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private:
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osg::ref_ptr<osg::Node> mNode;
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dtEntity::ComponentType mParentComponent;
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};
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///////////////////////////////////////////////////////////////////////////
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/**
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* Holds a single OSG node. Subclass this if you want to wrap an object
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* derived from osg::Node. NodeComponent instances can be attached to
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* the scene by the Layer system.
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*/
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class DTENTITY_OSG_EXPORT NodeComponent
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: public dtEntity::Component
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, public NodeStore
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{
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public:
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static const dtEntity::ComponentType TYPE;
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NodeComponent();
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NodeComponent(osg::Node* node);
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virtual ~NodeComponent();
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virtual dtEntity::ComponentType GetType() const { return TYPE; }
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virtual void OnAddedToEntity(dtEntity::Entity& entity);
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virtual void OnRemovedFromEntity(dtEntity::Entity& entity);
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protected:
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};
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///////////////////////////////////////////////////////////////////////////
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// storage only
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class DTENTITY_OSG_EXPORT NodeSystem
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: public dtEntity::DefaultEntitySystem<NodeComponent>
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{
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public:
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NodeSystem(dtEntity::EntityManager& em)
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: dtEntity::DefaultEntitySystem<NodeComponent>(em)
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{
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}
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};}
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