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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 "csgeom/vector3.h"
00025 #include "csutil/parray.h"
00026 
00027 #include "ivideo/graph3d.h"
00028 
00029 struct iEngine;
00030 struct iMeshWrapper;
00031 struct iObjectRegistry;
00032 struct iRenderView;
00033 
00034 struct csRenderMesh;
00035 
00036 
00041 class CS_CRYSTALSPACE_EXPORT csRenderMeshList
00042 {
00043 public:
00049   csRenderMeshList (iEngine* engine);
00050   
00054   ~csRenderMeshList ();
00055 
00059   void AddRenderMeshes (csRenderMesh** meshes, int num, long renderPriority,
00060         csZBufMode z_buf_mode, iMeshWrapper* mesh);
00061 
00066   size_t SortMeshLists (iRenderView *rview);
00067 
00071   void GetSortedMeshes (csRenderMesh** meshes, iMeshWrapper** imeshes);
00072 
00076   void Empty ();
00077 
00078 private:
00079   struct meshListEntry
00080   {
00081     csRenderMesh* rm;
00082     iMeshWrapper* mesh;
00083 
00084     meshListEntry (csRenderMesh* mesh, iMeshWrapper* imesh) 
00085       : rm(mesh), mesh(imesh) {}
00086   };
00087 
00089   struct renderMeshListInfo 
00090   {
00092     long renderPriority;
00093 
00095     int sortingOption;
00096 
00098     csArray<meshListEntry> meshList;
00099 
00100   };
00101 
00102   csPDelArray < renderMeshListInfo > renderList;
00103   iEngine* engine;
00104 
00105   static int SortMeshMaterial (meshListEntry const& me1, meshListEntry const& me2);
00106   static int SortMeshBack2Front (meshListEntry const& me1, meshListEntry const& me2);
00107   static int SortMeshFront2Back (meshListEntry const& me1, meshListEntry const& me2);
00108   static csVector3 sort_CameraPosition;
00109 };
00110 
00111 #endif //__CS_RENDERMESHLIST_H__

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