1 /*
2 ---------------------------------------------------------------------------
3 Open Asset Import Library (assimp)
4 ---------------------------------------------------------------------------
5 
6 Copyright (c) 2006-2020, assimp team
7 
8 All rights reserved.
9 
10 Redistribution and use of this software in source and binary forms,
11 with or without modification, are permitted provided that the following
12 conditions are met:
13 
14 * Redistributions of source code must retain the above
15   copyright notice, this list of conditions and the
16   following disclaimer.
17 
18 * Redistributions in binary form must reproduce the above
19   copyright notice, this list of conditions and the
20   following disclaimer in the documentation and/or other
21   materials provided with the distribution.
22 
23 * Neither the name of the assimp team, nor the names of its
24   contributors may be used to endorse or promote products
25   derived from this software without specific prior
26   written permission of the assimp team.
27 
28 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 ---------------------------------------------------------------------------
40 */
41 
42 #if (!defined AV_MESH_RENDERER_H_INCLUDED)
43 #define AV_MESH_RENDERER_H_INCLUDED
44 
45 namespace AssimpView {
46 
47 
48     //-------------------------------------------------------------------------------
49     /* Helper class tp render meshes
50     */
51     //-------------------------------------------------------------------------------
52     class CMeshRenderer
53     {
54     private:
55 
56         // default constructor
CMeshRenderer()57         CMeshRenderer()
58 
59         {
60             // no other members to initialize
61         }
62 
63     public:
64 
65         //------------------------------------------------------------------
66         // Singleton accessors
67         static CMeshRenderer s_cInstance;
Instance()68         inline static CMeshRenderer& Instance()
69         {
70             return s_cInstance;
71         }
72 
73 
74         //------------------------------------------------------------------
75         // Draw a mesh in the global mesh list using the current pipeline state
76         // iIndex Index of the mesh to be drawn
77         //
78         // The function draws all faces in order, regardless of their distance
79         int DrawUnsorted( unsigned int iIndex );
80 
81         //------------------------------------------------------------------
82         // Draw a mesh in the global mesh list using the current pipeline state
83         // iIndex Index of the mesh to be drawn
84         //
85         // The method sorts all vertices by their distance (back to front)
86         //
87         // mWorld World matrix for the node
88         int DrawSorted( unsigned int iIndex,
89             const aiMatrix4x4& mWorld );
90 
91 
92 
93     private:
94 
95 
96     };
97 
98 }
99 #endif //!! include guard
100