nuclear@0: /*
nuclear@0: Open Asset Import Library (assimp)
nuclear@0: ----------------------------------------------------------------------
nuclear@0: 
nuclear@0: Copyright (c) 2006-2012, assimp team
nuclear@0: All rights reserved.
nuclear@0: 
nuclear@0: Redistribution and use of this software in source and binary forms, 
nuclear@0: with or without modification, are permitted provided that the 
nuclear@0: following conditions are met:
nuclear@0: 
nuclear@0: * Redistributions of source code must retain the above
nuclear@0:   copyright notice, this list of conditions and the
nuclear@0:   following disclaimer.
nuclear@0: 
nuclear@0: * Redistributions in binary form must reproduce the above
nuclear@0:   copyright notice, this list of conditions and the
nuclear@0:   following disclaimer in the documentation and/or other
nuclear@0:   materials provided with the distribution.
nuclear@0: 
nuclear@0: * Neither the name of the assimp team, nor the names of its
nuclear@0:   contributors may be used to endorse or promote products
nuclear@0:   derived from this software without specific prior
nuclear@0:   written permission of the assimp team.
nuclear@0: 
nuclear@0: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
nuclear@0: "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
nuclear@0: LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0: A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
nuclear@0: OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
nuclear@0: LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
nuclear@0: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
nuclear@0: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
nuclear@0: OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0: 
nuclear@0: ----------------------------------------------------------------------
nuclear@0: */
nuclear@0: 
nuclear@0: /** @file  OptimizeGraph.h
nuclear@0:  *  @brief Declares a post processing step to optimize the scenegraph
nuclear@0:  */
nuclear@0: #ifndef AI_OPTIMIZEGRAPHPROCESS_H_INC
nuclear@0: #define AI_OPTIMIZEGRAPHPROCESS_H_INC
nuclear@0: 
nuclear@0: #include "BaseProcess.h"
nuclear@0: #include "ProcessHelper.h"
nuclear@0: #include "assimp/types.h"
nuclear@0: 
nuclear@0: struct aiMesh;
nuclear@0: class OptimizeGraphProcessTest;
nuclear@0: namespace Assimp	{
nuclear@0: 
nuclear@0: // -----------------------------------------------------------------------------
nuclear@0: /** @brief Postprocessing step to optimize the scenegraph
nuclear@0:  *
nuclear@0:  *  The implementation tries to merge nodes, even if they use different
nuclear@0:  *  transformations. Animations are preserved. 
nuclear@0:  *
nuclear@0:  *  @see aiProcess_OptimizeGraph for a detailed description of the
nuclear@0:  *  algorithm being applied.
nuclear@0:  */
nuclear@0: class OptimizeGraphProcess : public BaseProcess
nuclear@0: {
nuclear@0: public:
nuclear@0: 
nuclear@0: 	OptimizeGraphProcess();
nuclear@0: 	~OptimizeGraphProcess();
nuclear@0: 
nuclear@0: public:
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	bool IsActive( unsigned int pFlags) const;
nuclear@0: 
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	void Execute( aiScene* pScene);
nuclear@0: 	
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	void SetupProperties(const Importer* pImp);
nuclear@0: 
nuclear@0: 
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	/** @brief Add a list of node names to be locked and not modified.
nuclear@0: 	 *  @param in List of nodes. See #AI_CONFIG_PP_OG_EXCLUDE_LIST for
nuclear@0: 	 *    format explanations.
nuclear@0: 	 */
nuclear@0: 	inline void AddLockedNodeList(std::string& in)
nuclear@0: 	{
nuclear@0: 		ConvertListToStrings (in,locked_nodes);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	/** @brief Add another node to be locked and not modified.
nuclear@0: 	 *  @param name Name to be locked
nuclear@0: 	 */
nuclear@0: 	inline void AddLockedNode(std::string& name)
nuclear@0: 	{
nuclear@0: 		locked_nodes.push_back(name);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	// -------------------------------------------------------------------
nuclear@0: 	/** @brief Rmeove a node from the list of locked nodes.
nuclear@0: 	 *  @param name Name to be unlocked
nuclear@0: 	 */
nuclear@0: 	inline void RemoveLockedNode(std::string& name)
nuclear@0: 	{
nuclear@0: 		locked_nodes.remove(name);
nuclear@0: 	}
nuclear@0: 
nuclear@0: protected:
nuclear@0: 
nuclear@0: 	void CollectNewChildren(aiNode* nd, std::list<aiNode*>& nodes);
nuclear@0: 	void FindInstancedMeshes (aiNode* pNode);
nuclear@0: 
nuclear@0: private:
nuclear@0: 
nuclear@0: #ifdef AI_OG_USE_HASHING
nuclear@0: 	typedef std::set<unsigned int> LockedSetType;
nuclear@0: #else
nuclear@0: 	typedef std::set<std::string> LockedSetType;
nuclear@0: #endif
nuclear@0: 
nuclear@0: 
nuclear@0: 	//! Scene we're working with
nuclear@0: 	aiScene* mScene;
nuclear@0: 
nuclear@0: 	//! List of locked names. Stored is the hash of the name
nuclear@0: 	LockedSetType locked;
nuclear@0: 
nuclear@0: 	//! List of nodes to be locked in addition to those with animations, lights or cameras assigned.
nuclear@0: 	std::list<std::string> locked_nodes;
nuclear@0: 
nuclear@0: 	//! Node counters for logging purposes
nuclear@0: 	unsigned int nodes_in,nodes_out, count_merged;
nuclear@0: 
nuclear@0: 	//! Reference counters for meshes
nuclear@0: 	std::vector<unsigned int> meshes;
nuclear@0: };
nuclear@0: 
nuclear@0: } // end of namespace Assimp
nuclear@0: 
nuclear@0: #endif // AI_OPTIMIZEGRAPHPROCESS_H_INC