rview.h
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 __IENGINE_RVIEW_H__ 00020 #define __IENGINE_RVIEW_H__ 00021 00022 #include "csutil/scf.h" 00023 #include "csgeom/plane3.h" 00024 #include "csgeom/transfrm.h" 00025 #include "csgeom/box.h" 00026 #include "ivideo/graph3d.h" 00027 #include "iengine/engine.h" 00028 00029 struct iEngine; 00030 struct iClipper2D; 00031 struct iGraphics2D; 00032 struct iGraphics3D; 00033 struct iCamera; 00034 struct iSector; 00035 struct iPolygon3D; 00036 struct csFog; 00037 class csRenderView; 00038 class csReversibleTransform; 00039 class csVector3; 00040 class csSphere; 00041 00049 class csFogInfo 00050 { 00051 public: 00053 csFogInfo* next; 00054 00056 csPlane3 incoming_plane; 00058 csPlane3 outgoing_plane; 00063 bool has_incoming_plane; 00064 00070 bool has_outgoing_plane; 00071 00073 csFog* fog; 00074 }; 00075 00080 class csRenderContextFrustum 00081 { 00082 class csRenderContext; 00083 friend class csRenderContext; // To avoid gcc warning! 00084 00085 private: 00086 int ref_count; 00087 00088 ~csRenderContextFrustum () { } 00089 00090 public: 00095 csVector3 frustum[4]; 00096 00097 csRenderContextFrustum () : ref_count (1) { } 00098 void IncRef () { ref_count++; } 00099 void DecRef () { --ref_count; if (ref_count <= 0) delete this; } 00100 }; 00101 00108 class csRenderContext 00109 { 00110 friend class csRenderView; 00111 00112 private: 00116 void* rcdata; 00117 00118 public: 00120 iCamera* icamera; 00122 iClipper2D* iview; 00124 csRenderContextFrustum* iview_frustum; 00125 00127 iPolygon3D* portal_polygon; 00129 iSector* previous_sector; 00131 iSector* this_sector; 00132 00137 csPlane3 clip_plane; 00138 00149 bool do_clip_plane; 00150 00159 bool do_clip_frustum; 00160 00165 csFogInfo* fog_info; 00166 00171 bool added_fog_info; 00172 00178 int draw_rec_level; 00179 }; 00180 00181 SCF_VERSION (iRenderView, 0, 3, 0); 00182 00187 struct iRenderView : public iBase 00188 { 00190 virtual csRenderContext* GetRenderContext () = 0; 00198 virtual void CreateRenderContext () = 0; 00204 virtual void RestoreRenderContext (csRenderContext* original) = 0; 00210 virtual iCamera* CreateNewCamera () = 0; 00211 00213 virtual iEngine* GetEngine () = 0; 00215 virtual iGraphics2D* GetGraphics2D () = 0; 00217 virtual iGraphics3D* GetGraphics3D () = 0; 00219 virtual void SetFrustum (float lx, float rx, float ty, float by) = 0; 00221 virtual void GetFrustum (float& lx, float& rx, float& ty, float& by) = 0; 00223 virtual csRenderContextFrustum* GetTopFrustum () = 0; 00224 00225 //----------------------------------------------------------------- 00226 // The following functions operate on the current render context. 00227 //----------------------------------------------------------------- 00228 00230 virtual iClipper2D* GetClipper () = 0; 00232 virtual void SetClipper (iClipper2D* clip) = 0; 00239 virtual bool IsClipperRequired () = 0; 00246 virtual bool GetClipPlane (csPlane3& pl) = 0; 00248 virtual csPlane3& GetClipPlane () = 0; 00252 virtual void SetClipPlane (const csPlane3& pl) = 0; 00254 virtual void UseClipPlane (bool u) = 0; 00256 virtual void UseClipFrustum (bool u) = 0; 00257 00263 virtual csFogInfo* GetFirstFogInfo () = 0; 00267 virtual void SetFirstFogInfo (csFogInfo* fi) = 0; 00271 virtual bool AddedFogInfo () = 0; 00275 virtual void ResetFogInfo () = 0; 00279 virtual iCamera* GetCamera () = 0; 00283 virtual void CalculateFogPolygon (G3DPolygonDP& poly) = 0; 00287 virtual void CalculateFogPolygon (G3DPolygonDPFX& poly) = 0; 00294 virtual void CalculateFogMesh (const csTransform& tr_o2c, 00295 G3DTriangleMesh& mesh) = 0; 00296 00304 virtual void CalculateFogMesh (const csTransform &tr_o2c, 00305 G3DPolygonMesh &mesh) = 0; 00306 00307 00313 virtual bool TestBSphere (const csReversibleTransform& o2c, 00314 const csSphere& sphere) = 0; 00323 virtual bool ClipBSphere (const csReversibleTransform& o2c, 00324 const csSphere& sphere, 00325 int& clip_portal, int& clip_plane, int& clip_z_plane) = 0; 00326 00334 virtual bool ClipBBox (const csBox2& sbox, const csBox3& cbox, 00335 int& clip_portal, int& clip_plane, int& clip_z_plane) = 0; 00336 00340 virtual iSector* GetThisSector () = 0; 00341 00345 virtual void SetThisSector (iSector* s) = 0; 00346 00350 virtual iSector* GetPreviousSector () = 0; 00351 00355 virtual void SetPreviousSector (iSector* s) = 0; 00356 00360 virtual iPolygon3D* GetPortalPolygon () = 0; 00361 00365 virtual void SetPortalPolygon (iPolygon3D* poly) = 0; 00366 00370 virtual int GetRenderRecursionLevel () = 0; 00374 virtual void SetRenderRecursionLevel (int rec) = 0; 00375 00379 virtual void AttachRenderContextData (void* key, iBase* data) = 0; 00383 virtual iBase* FindRenderContextData (void* key) = 0; 00388 virtual void DeleteRenderContextData (void* key) = 0; 00389 00394 virtual void SetCallback (iDrawFuncCallback* cb) = 0; 00398 virtual iDrawFuncCallback* GetCallback () = 0; 00402 virtual void CallCallback (int type, void* data) = 0; 00403 00408 virtual iCamera* GetOriginalCamera () const = 0; 00409 }; 00410 00411 #endif 00412
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