1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
Open Asset Import Library (ASSIMP)
----------------------------------------------------------------------
Copyright (c) 2006-2010, 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
|