iengine/rview.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2000 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 __CS_IENGINE_RVIEW_H__ 00020 #define __CS_IENGINE_RVIEW_H__ 00021 00028 #include "csutil/scf.h" 00029 #include "csgeom/plane3.h" 00030 #include "csgeom/transfrm.h" 00031 #include "csgeom/box.h" 00032 #include "iengine/engine.h" 00033 00034 #include "ivideo/graph3d.h" 00035 00036 struct csFog; 00037 struct iEngine; 00038 struct iClipper2D; 00039 struct iGraphics2D; 00040 struct iGraphics3D; 00041 struct iCamera; 00042 struct iSector; 00043 struct iPortal; 00044 class csRenderView; 00045 class csReversibleTransform; 00046 class csVector3; 00047 class csSphere; 00048 00056 class csFogInfo 00057 { 00058 public: 00060 csFogInfo* next; 00061 00063 csPlane3 incoming_plane; 00065 csPlane3 outgoing_plane; 00070 bool has_incoming_plane; 00071 00077 bool has_outgoing_plane; 00078 00080 csFog* fog; 00081 }; 00082 00087 class csRenderContextFrustum 00088 { 00089 class csRenderContext; 00090 friend class csRenderContext; // To avoid gcc warning! 00091 00092 private: 00093 int ref_count; 00094 00095 ~csRenderContextFrustum () { } 00096 00097 public: 00102 csVector3 frustum[4]; 00103 00104 csRenderContextFrustum () : ref_count (1) { } 00105 void IncRef () { ref_count++; } 00106 void DecRef () { --ref_count; if (ref_count <= 0) delete this; } 00107 }; 00108 00115 class csRenderContext 00116 { 00117 friend class csRenderView; 00118 00119 private: 00123 void* rcdata; 00124 00125 public: 00127 iCamera* icamera; 00129 iClipper2D* iview; 00131 csRenderContextFrustum* iview_frustum; 00132 00134 iPortal* last_portal; 00136 iSector* previous_sector; 00138 iSector* this_sector; 00139 00144 csPlane3 clip_plane; 00145 00156 bool do_clip_plane; 00157 00166 bool do_clip_frustum; 00167 00172 csFogInfo* fog_info; 00173 00178 bool added_fog_info; 00179 00185 int draw_rec_level; 00186 }; 00187 00188 SCF_VERSION (iRenderView, 0, 4, 0); 00189 00194 struct iRenderView : public iBase 00195 { 00197 virtual csRenderContext* GetRenderContext () = 0; 00205 virtual void CreateRenderContext () = 0; 00211 virtual void RestoreRenderContext (csRenderContext* original) = 0; 00217 virtual iCamera* CreateNewCamera () = 0; 00218 00220 virtual iEngine* GetEngine () = 0; 00222 virtual iGraphics2D* GetGraphics2D () = 0; 00224 virtual iGraphics3D* GetGraphics3D () = 0; 00226 virtual void SetFrustum (float lx, float rx, float ty, float by) = 0; 00228 virtual void GetFrustum (float& lx, float& rx, float& ty, float& by) = 0; 00230 virtual csRenderContextFrustum* GetTopFrustum () = 0; 00231 00232 //----------------------------------------------------------------- 00233 // The following functions operate on the current render context. 00234 //----------------------------------------------------------------- 00235 00237 virtual iClipper2D* GetClipper () = 0; 00239 virtual void SetClipper (iClipper2D* clip) = 0; 00246 virtual bool IsClipperRequired () = 0; 00253 virtual bool GetClipPlane (csPlane3& pl) = 0; 00255 virtual csPlane3& GetClipPlane () = 0; 00259 virtual void SetClipPlane (const csPlane3& pl) = 0; 00261 virtual void UseClipPlane (bool u) = 0; 00263 virtual void UseClipFrustum (bool u) = 0; 00264 00270 virtual csFogInfo* GetFirstFogInfo () = 0; 00274 virtual void SetFirstFogInfo (csFogInfo* fi) = 0; 00278 virtual bool AddedFogInfo () = 0; 00282 virtual void ResetFogInfo () = 0; 00286 virtual iCamera* GetCamera () = 0; 00287 00292 virtual void CalculateFogPolygon (G3DPolygonDP& poly) = 0; 00297 virtual void CalculateFogPolygon (G3DPolygonDPFX& poly) = 0; 00305 virtual void CalculateFogMesh (const csTransform& tr_o2c, 00306 G3DTriangleMesh& mesh) = 0; 00307 00315 virtual void CalculateFogMesh (const csTransform &tr_o2c, 00316 G3DPolygonMesh &mesh) = 0; 00317 00318 00324 virtual bool TestBSphere (const csReversibleTransform& o2c, 00325 const csSphere& sphere) = 0; 00334 virtual bool ClipBSphere (const csReversibleTransform& o2c, 00335 const csSphere& sphere, 00336 int& clip_portal, int& clip_plane, int& clip_z_plane) = 0; 00337 00345 virtual bool ClipBBox (const csBox2& sbox, const csBox3& cbox, 00346 int& clip_portal, int& clip_plane, int& clip_z_plane) = 0; 00347 00351 virtual iSector* GetThisSector () = 0; 00352 00356 virtual void SetThisSector (iSector* s) = 0; 00357 00361 virtual iSector* GetPreviousSector () = 0; 00362 00366 virtual void SetPreviousSector (iSector* s) = 0; 00367 00371 virtual iPortal* GetLastPortal () = 0; 00372 00376 virtual void SetLastPortal (iPortal* portal) = 0; 00377 00381 virtual int GetRenderRecursionLevel () = 0; 00385 virtual void SetRenderRecursionLevel (int rec) = 0; 00386 00390 virtual void AttachRenderContextData (void* key, iBase* data) = 0; 00394 virtual iBase* FindRenderContextData (void* key) = 0; 00399 virtual void DeleteRenderContextData (void* key) = 0; 00400 00405 virtual iCamera* GetOriginalCamera () const = 0; 00406 }; 00407 00410 #endif // __CS_IENGINE_RVIEW_H__ 00411
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