cstool/rviewclipper.h
00001 /* 00002 Copyright (C) 2007 by Jorrit Tyberghein 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 __CSTOOL_RVIEW_CLIPPER_H__ 00020 #define __CSTOOL_RVIEW_CLIPPER_H__ 00021 00022 #include "csextern.h" 00023 #include "csutil/csstring.h" 00024 #include "csgeom/transfrm.h" 00025 00026 class csRenderContext; 00027 class csBox3; 00028 00029 namespace CS 00030 { 00035 class CS_CRYSTALSPACE_EXPORT RenderViewClipper 00036 { 00037 private: 00043 static void TestSphereFrustumWorld (csRenderContext* frust, 00044 const csVector3& center, float radius, bool& inside, bool& outside); 00045 00046 public: 00050 static void CalculateClipSettings (csRenderContext* ctxt, 00051 uint32 frustum_mask, int &clip_portal, int &clip_plane, 00052 int &clip_z_plane); 00053 00059 static bool TestBSphere ( 00060 csRenderContext* ctxt, 00061 const csReversibleTransform &w2c, 00062 const csSphere &sphere); 00063 00070 static bool CullBSphere ( 00071 csRenderContext* ctxt, 00072 const csSphere &cam_sphere, 00073 const csSphere &world_sphere, 00074 int& clip_portal, int& clip_plane, int& clip_z_plane); 00075 00087 static bool CullBBox ( 00088 const csRenderContext* ctxt, 00089 const csPlane3* planes, uint32& frustum_mask, 00090 const csBox3& obox, 00091 int& clip_portal, int& clip_plane, int& clip_z_plane); 00092 00099 static void SetupClipPlanes ( 00100 csRenderContext* ctxt, 00101 const csReversibleTransform& tr_o2c, 00102 csPlane3* planes, uint32& frustum_mask); 00103 00107 static void SetupClipPlanes (csRenderContext* ctxt); 00108 }; 00109 } 00110 00111 #endif // __CSTOOL_RVIEW_CLIPPER_H__ 00112
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