/*
	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
*/

/**
	@file FCDGeometryInstance.h
	This file contains the FCDGeometryInstance class.
*/
#ifndef _FCD_GEOMETRY_ENTITY_H_
#define _FCD_GEOMETRY_ENTITY_H_

#include "FCDocument/FCDEntityInstance.h"

class FCDocument;
class FCDMaterialInstance;
class FCDGeometryPolygons;

typedef vector<FCDMaterialInstance*> FCDMaterialInstanceList; /**< A dynamically-sized array of material instances. */

/**
	A COLLADA geometry instance.
	It is during the instantiation of geometries that the mesh polygons
	are attached to actual materials.
*/
class FCOLLADA_EXPORT FCDGeometryInstance : public FCDEntityInstance
{
private:
	DeclareObjectType;
	FCDMaterialInstanceList materials;

public:
	FCDGeometryInstance(FCDocument* document, FCDEntity* entity);
	virtual ~FCDGeometryInstance();

	// FCDEntity override for RTTI-like
	virtual Type GetType() const { return GEOMETRY; }

	// Access Bound Materials
	FCDMaterialInstance* FindMaterialInstance(const fchar* semantic);
	inline FCDMaterialInstance* FindMaterialInstance(const fstring& semantic) { return FindMaterialInstance(semantic.c_str()); }
	const FCDMaterialInstance* FindMaterialInstance(const fchar* semantic) const;
	inline const FCDMaterialInstance* FindMaterialInstance(const fstring& semantic) const { return FindMaterialInstance(semantic.c_str()); }
	inline FCDMaterialInstanceList& GetMaterialInstanceList() { return materials; }
	inline const FCDMaterialInstanceList& GetMaterialInstanceList() const { return materials; }
	FCDMaterialInstance* AddMaterialInstance();
	FCDMaterialInstance* AddMaterialInstance(FCDMaterial* material, FCDGeometryPolygons* polygons);
	FCDMaterialInstance* AddMaterialInstance(FCDMaterial* material, const fchar* semantic);
	inline FCDMaterialInstance* AddMaterialInstance(FCDMaterial* material, const fstring& semantic) { return AddMaterialInstance(material, semantic.c_str()); }
	void ReleaseMaterialInstance(FCDMaterialInstance* instance);

	// Load the geometry instance from the COLLADA document
	virtual FUStatus LoadFromXML(xmlNode* instanceNode);

	// Write out the instantiation information to the xml node tree
	virtual xmlNode* WriteToXML(xmlNode* parentNode) const;
};

#endif // _FCD_GEOMETRY_ENTITY_H_