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portal.h

00001 /*
00002     Copyright (C) 2003 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_ENGINE_PORTAL_H__
00020 #define __CS_ENGINE_PORTAL_H__
00021 
00022 #include "csutil/scf.h"
00023 #include "iutil/objref.h"
00024 
00025 class csReversibleTransform;
00026 class csPlane3;
00027 
00033 #define CS_PORTAL_CLIPDEST 0x00000001
00034 
00043 #define CS_PORTAL_ZFILL 0x00000002
00044 
00051 #define CS_PORTAL_WARP 0x00000004
00052 
00058 #define CS_PORTAL_MIRROR 0x00000008
00059 
00066 #define CS_PORTAL_STATICDEST 0x00000010
00067 
00077 #define CS_PORTAL_FLOAT 0x00000020
00078 
00079 class csTransform;
00080 class csMatrix3;
00081 class csVector3;
00082 class csFlags;
00083 struct iTextureHandle;
00084 struct iSector;
00085 struct iPolygon3D;
00086 struct iPortal;
00087 struct iFrustumView;
00088 struct iObject;
00089 
00090 SCF_VERSION (iPortalCallback, 0, 0, 1);
00091 
00099 struct iPortalCallback : public iBase
00100 {
00105   virtual bool Traverse (iPortal* portal, iBase* context) = 0;
00106 };
00107 
00108 SCF_VERSION (iPortal, 0, 3, 0);
00109 
00117 struct iPortal : public iReference
00118 {
00120   virtual iObject *QueryObject () = 0;
00121 
00123   virtual iSector* GetSector () const = 0;
00124 
00129   virtual const csVector3* GetVertices () const = 0;
00130 
00135   virtual int* GetVertexIndices () const = 0;
00136 
00140   virtual int GetVertexIndicesCount () const = 0;
00141 
00146   virtual void SetSector (iSector* s) = 0;
00147 
00149   virtual csFlags& GetFlags () = 0;
00150 
00157   virtual void SetMaximumSectorVisit (int msv) = 0;
00159   virtual int GetMaximumSectorVisit () const = 0;
00160 
00167   virtual void SetPortalCallback (iPortalCallback* cb) = 0;
00168 
00172   virtual void RemovePortalCallback (iPortalCallback* cb) = 0;
00173 
00175   virtual int GetPortalCallbackCount () const = 0;
00176   
00178   virtual iPortalCallback* GetPortalCallback (int idx) const = 0;
00179 
00186   virtual void SetMissingSectorCallback (iPortalCallback* cb) = 0;
00187 
00191   virtual void RemoveMissingSectorCallback (iPortalCallback* cb) = 0;
00192 
00194   virtual int GetMissingSectorCallbackCount () const = 0;
00195   
00197   virtual iPortalCallback* GetMissingSectorCallback (int idx) const = 0;
00198 
00200   virtual void SetFilter (iTextureHandle* ft) = 0;
00202   virtual iTextureHandle* GetTextureFilter () const = 0;
00203 
00205   virtual void SetFilter (float r, float g, float b) = 0;
00207   virtual void GetColorFilter (float &r, float &g, float &b) const = 0;
00208 
00209   //---- space warping ------------------------------------------------------
00210 
00215   virtual void SetWarp (const csMatrix3 &m_w, const csVector3 &v_w_before,
00216     const csVector3 &v_w_after) = 0;
00221   virtual void SetWarp (const csTransform& t) = 0;
00222 
00224   virtual void SetMirror (const csPlane3& plane) = 0;
00225 
00227   virtual const csReversibleTransform &GetWarp () const = 0;
00228 
00230   virtual void HardTransform (const csReversibleTransform& t) = 0;
00231 
00236   virtual void ObjectToWorld (const csReversibleTransform& t,
00237         csReversibleTransform& warp_wor) const = 0;
00238 
00243   virtual csVector3 Warp (const csReversibleTransform& t,
00244                   const csVector3& pos) const = 0;
00245 
00257   virtual void WarpSpace (const csReversibleTransform& warp_wor,
00258                   csReversibleTransform& t, bool& mirror) const = 0;
00259 
00260   //-------------------------------------------------------------------------
00261 
00267   virtual bool CompleteSector (iBase* context) = 0;
00268 
00275   virtual void CheckFrustum (iFrustumView* lview,
00276           const csReversibleTransform& t, int alpha) = 0;
00277 
00287   virtual iPolygon3D* HitBeam (const csReversibleTransform& t,
00288         const csVector3& start, const csVector3& end,
00289         csVector3& isect) = 0;
00290 
00291 };
00292 
00293 #endif // __CS_ENGINE_PORTAL_H__
00294 

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