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cstool/rendermeshlist.h

00001 /*
00002   Copyright (C) 2003 by Marten Svanfeldt
00003 
00004   This library is free software; you can redistribute it and/or
00005   modify it under the terms of the GNU Library General Public
00006   License as published by the Free Software Foundation; either
00007   version 2 of the License, or (at your option) any later version.
00008 
00009   This library is distributed in the hope that it will be useful,
00010   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012   Library General Public License for more details.
00013 
00014   You should have received a copy of the GNU Library General Public
00015   License along with this library; if not, write to the Free
00016   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_RENDERMESHLIST_H__
00020 #define __CS_RENDERMESHLIST_H__
00021 
00022 #include "csextern.h"
00023 
00024 #include "csutil/array.h"
00025 #include "csutil/parray.h"
00026 #include "csutil/ref.h"
00027 #include "csgeom/box.h"
00028 #include "csgeom/sphere.h"
00029 #include "ivideo/graph3d.h"
00030 
00031 struct iEngine;
00032 struct iObjectRegistry;
00033 struct csRenderMesh;
00034 struct iMeshWrapper;
00035 
00040 class CS_CSTOOL_EXPORT csRenderMeshList
00041 {
00042 public:
00048   csRenderMeshList (iEngine* engine);
00049   
00053   ~csRenderMeshList ();
00054 
00058   void AddRenderMeshes (csRenderMesh** meshes, int num, long renderPriority,
00059         csZBufMode z_buf_mode, const csBox3& bbox);
00060 
00066   void CullToSphere (const csSphere& sphere);
00067 
00072   int SortMeshLists ();
00073 
00077   void GetSortedMeshes (csRenderMesh** meshes);
00078 
00082   void Empty ();
00083 
00084 private:
00085   struct meshListEntry
00086   {
00087     csRenderMesh* rm;
00088     csBox3 bbox;
00089 
00090     meshListEntry (csRenderMesh* mesh, const csBox3& bb) : 
00091       rm(mesh), bbox(bb) {}
00092   };
00093 
00095   struct renderMeshListInfo 
00096   {
00098     long renderPriority;
00099 
00101     int sortingOption;
00102 
00104     csArray<meshListEntry> meshList;
00105 
00106   };
00107 
00108   csPDelArray < renderMeshListInfo > renderList;
00109   iEngine* engine;
00110 
00111   static int SortMeshMaterial (meshListEntry const& me1, meshListEntry const& me2);
00112   static int SortMeshBack2Front (meshListEntry const& me1, meshListEntry const& me2);
00113   static int SortMeshFront2Back (meshListEntry const& me1, meshListEntry const& me2);
00114 };
00115 
00116 #endif //__CS_RENDERMESHLIST_H__

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