vrshoot
view libs/assimp/ComputeUVMappingProcess.h @ 0:b2f14e535253
initial commit
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 01 Feb 2014 19:58:19 +0200 |
| parents | |
| children |
line source
1 /*
2 Open Asset Import Library (assimp)
3 ----------------------------------------------------------------------
5 Copyright (c) 2006-2012, assimp team
6 All rights reserved.
8 Redistribution and use of this software in source and binary forms,
9 with or without modification, are permitted provided that the
10 following conditions are met:
12 * Redistributions of source code must retain the above
13 copyright notice, this list of conditions and the
14 following disclaimer.
16 * Redistributions in binary form must reproduce the above
17 copyright notice, this list of conditions and the
18 following disclaimer in the documentation and/or other
19 materials provided with the distribution.
21 * Neither the name of the assimp team, nor the names of its
22 contributors may be used to endorse or promote products
23 derived from this software without specific prior
24 written permission of the assimp team.
26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 ----------------------------------------------------------------------
39 */
41 /** @file Defines a post processing step to compute UV coordinates
42 from abstract mappings, such as box or spherical*/
43 #ifndef AI_COMPUTEUVMAPPING_H_INC
44 #define AI_COMPUTEUVMAPPING_H_INC
46 #include "BaseProcess.h"
47 #include "assimp/mesh.h"
49 class ComputeUVMappingTest;
50 namespace Assimp
51 {
53 // ---------------------------------------------------------------------------
54 /** ComputeUVMappingProcess - converts special mappings, such as spherical,
55 * cylindrical or boxed to proper UV coordinates for rendering.
56 */
57 class ComputeUVMappingProcess : public BaseProcess
58 {
59 public:
60 ComputeUVMappingProcess();
61 ~ComputeUVMappingProcess();
63 public:
65 // -------------------------------------------------------------------
66 /** Returns whether the processing step is present in the given flag field.
67 * @param pFlags The processing flags the importer was called with. A bitwise
68 * combination of #aiPostProcessSteps.
69 * @return true if the process is present in this flag fields, false if not.
70 */
71 bool IsActive( unsigned int pFlags) const;
73 // -------------------------------------------------------------------
74 /** Executes the post processing step on the given imported data.
75 * At the moment a process is not supposed to fail.
76 * @param pScene The imported data to work at.
77 */
78 void Execute( aiScene* pScene);
80 protected:
82 // -------------------------------------------------------------------
83 /** Computes spherical UV coordinates for a mesh
84 *
85 * @param mesh Mesh to be processed
86 * @param axis Main axis
87 * @param out Receives output UV coordinates
88 */
89 void ComputeSphereMapping(aiMesh* mesh,const aiVector3D& axis,
90 aiVector3D* out);
92 // -------------------------------------------------------------------
93 /** Computes cylindrical UV coordinates for a mesh
94 *
95 * @param mesh Mesh to be processed
96 * @param axis Main axis
97 * @param out Receives output UV coordinates
98 */
99 void ComputeCylinderMapping(aiMesh* mesh,const aiVector3D& axis,
100 aiVector3D* out);
102 // -------------------------------------------------------------------
103 /** Computes planar UV coordinates for a mesh
104 *
105 * @param mesh Mesh to be processed
106 * @param axis Main axis
107 * @param out Receives output UV coordinates
108 */
109 void ComputePlaneMapping(aiMesh* mesh,const aiVector3D& axis,
110 aiVector3D* out);
112 // -------------------------------------------------------------------
113 /** Computes cubic UV coordinates for a mesh
114 *
115 * @param mesh Mesh to be processed
116 * @param out Receives output UV coordinates
117 */
118 void ComputeBoxMapping(aiMesh* mesh, aiVector3D* out);
120 private:
122 // temporary structure to describe a mapping
123 struct MappingInfo
124 {
125 MappingInfo(aiTextureMapping _type)
126 : type (_type)
127 , axis (0.f,1.f,0.f)
128 , uv (0u)
129 {}
131 aiTextureMapping type;
132 aiVector3D axis;
133 unsigned int uv;
135 bool operator== (const MappingInfo& other)
136 {
137 return type == other.type && axis == other.axis;
138 }
139 };
140 };
142 } // end of namespace Assimp
144 #endif // AI_COMPUTEUVMAPPING_H_INC