148 lines
4.7 KiB
C++
148 lines
4.7 KiB
C++
/*
|
|
Open Asset Import Library (ASSIMP)
|
|
----------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2008, ASSIMP Development 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 Development 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 "../include/aiTypes.h"
|
|
|
|
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 ASSIMP_API OptimizeGraphProcess : public BaseProcess
|
|
{
|
|
friend class Importer;
|
|
friend class ::OptimizeGraphProcessTest;
|
|
|
|
protected:
|
|
/** Constructor to be privately used by Importer */
|
|
OptimizeGraphProcess();
|
|
|
|
/** Destructor, private as well */
|
|
~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
|