source: NonGTP/FCollada/FCDocument/FCDPhysicsSceneNode.h @ 964

/*
        Copyright (C) 2005-2006 Feeling Software Inc.
        MIT License: http://www.opensource.org/licenses/mit-license.php
*/
/*
        Based on the FS Import classes:
        Copyright (C) 2005-2006 Feeling Software Inc
        Copyright (C) 2005-2006 Autodesk Media Entertainment
        MIT License: http://www.opensource.org/licenses/mit-license.php
*/

#ifndef _FCD_PHYSICS_SCENE_NODE_
#define _FCD_PHYSICS_SCENE_NODE_

#include "FCDocument/FCDEntity.h"

class FCDocument;
class FCDEntityInstance;
class FCDExtra;

class FCDPhysicsModelInstance;

typedef vector<FCDPhysicsModelInstance*> FCDPhysicsModelInstanceList;

class FCOLLADA_EXPORT FCDPhysicsSceneNode : public FCDEntity
{
private:
        DeclareObjectType;
        FCDExtra* extra;
        FMVector3 gravity;
        float timestep;
        FCDPhysicsModelInstanceList instances;

public:
        FCDPhysicsSceneNode(FCDocument* document);
        virtual ~FCDPhysicsSceneNode();

        // Returns the entity type
        virtual Type GetType() const { return PHYSICS_SCENE_NODE; }
        
        FCDPhysicsModelInstanceList& GetInstances() { return instances; }
        const FCDPhysicsModelInstanceList& GetInstances() const { return instances; }
        size_t GetNumInstances() const { return instances.size(); };

        // Visibility parameter
        const FMVector3& GetGravity() const { return gravity; }
        const float& GetTimestep() const { return timestep; }

        // Parse a <physics_scene> node from a COLLADA document
        virtual FUStatus LoadFromXML(xmlNode* sceneNode);

        // Write out a <physics_scene> element to a COLLADA xml document
        void WriteToNodeXML(xmlNode* node) const;
        virtual xmlNode* WriteToXML(xmlNode* parentNode) const;

        // Instantiating a scene node means ensuring that there is no cycles in the scene graph
        void Instantiate(FCDPhysicsSceneNode* sceneNode);
};

#endif // _FCD_SCENE_NODE_