| /* |
| Open Asset Import Library (assimp) |
| ---------------------------------------------------------------------- |
| |
| Copyright (c) 2006-2017, assimp team |
| |
| All rights reserved. |
| |
| Redistribution and use of this software in source and binary forms, |
| with or without modification, are permitted provided that the |
| following conditions are met: |
| |
| * Redistributions of source code must retain the above |
| copyright notice, this list of conditions and the |
| following disclaimer. |
| |
| * Redistributions in binary form must reproduce the above |
| copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| * Neither the name of the assimp team, nor the names of its |
| contributors may be used to endorse or promote products |
| derived from this software without specific prior |
| written permission of the assimp team. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| ---------------------------------------------------------------------- |
| */ |
| |
| /** @file OptimizeGraph.h |
| * @brief Declares a post processing step to optimize the scenegraph |
| */ |
| #ifndef AI_OPTIMIZEGRAPHPROCESS_H_INC |
| #define AI_OPTIMIZEGRAPHPROCESS_H_INC |
| |
| #include "BaseProcess.h" |
| #include "ProcessHelper.h" |
| #include <assimp/types.h> |
| #include <set> |
| |
| struct aiMesh; |
| class OptimizeGraphProcessTest; |
| namespace Assimp { |
| |
| // ----------------------------------------------------------------------------- |
| /** @brief Postprocessing step to optimize the scenegraph |
| * |
| * The implementation tries to merge nodes, even if they use different |
| * transformations. Animations are preserved. |
| * |
| * @see aiProcess_OptimizeGraph for a detailed description of the |
| * algorithm being applied. |
| */ |
| class OptimizeGraphProcess : public BaseProcess |
| { |
| public: |
| |
| OptimizeGraphProcess(); |
| ~OptimizeGraphProcess(); |
| |
| public: |
| // ------------------------------------------------------------------- |
| bool IsActive( unsigned int pFlags) const; |
| |
| // ------------------------------------------------------------------- |
| void Execute( aiScene* pScene); |
| |
| // ------------------------------------------------------------------- |
| void SetupProperties(const Importer* pImp); |
| |
| |
| // ------------------------------------------------------------------- |
| /** @brief Add a list of node names to be locked and not modified. |
| * @param in List of nodes. See #AI_CONFIG_PP_OG_EXCLUDE_LIST for |
| * format explanations. |
| */ |
| inline void AddLockedNodeList(std::string& in) |
| { |
| ConvertListToStrings (in,locked_nodes); |
| } |
| |
| // ------------------------------------------------------------------- |
| /** @brief Add another node to be locked and not modified. |
| * @param name Name to be locked |
| */ |
| inline void AddLockedNode(std::string& name) |
| { |
| locked_nodes.push_back(name); |
| } |
| |
| // ------------------------------------------------------------------- |
| /** @brief Rmeove a node from the list of locked nodes. |
| * @param name Name to be unlocked |
| */ |
| inline void RemoveLockedNode(std::string& name) |
| { |
| locked_nodes.remove(name); |
| } |
| |
| protected: |
| |
| void CollectNewChildren(aiNode* nd, std::list<aiNode*>& nodes); |
| void FindInstancedMeshes (aiNode* pNode); |
| |
| private: |
| |
| #ifdef AI_OG_USE_HASHING |
| typedef std::set<unsigned int> LockedSetType; |
| #else |
| typedef std::set<std::string> LockedSetType; |
| #endif |
| |
| |
| //! Scene we're working with |
| aiScene* mScene; |
| |
| //! List of locked names. Stored is the hash of the name |
| LockedSetType locked; |
| |
| //! List of nodes to be locked in addition to those with animations, lights or cameras assigned. |
| std::list<std::string> locked_nodes; |
| |
| //! Node counters for logging purposes |
| unsigned int nodes_in,nodes_out, count_merged; |
| |
| //! Reference counters for meshes |
| std::vector<unsigned int> meshes; |
| }; |
| |
| } // end of namespace Assimp |
| |
| #endif // AI_OPTIMIZEGRAPHPROCESS_H_INC |