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# iengine/portal.h

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    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_IENGINE_PORTAL_H__
    00020 #define __CS_IENGINE_PORTAL_H__
    00021
    00029 #include "csutil/scf.h"
    00030
    00031 class csFlags;
    00032 class csMatrix3;
    00033 class csPlane3;
    00034 class csReversibleTransform;
    00035 class csTransform;
    00036 class csVector3;
    00037
    00038 struct iFrustumView;
    00039 struct iMeshWrapper;
    00040 struct iMovable;
    00041 struct iObject;
    00042 struct iPortal;
    00043 struct iSector;
    00044 struct iTextureHandle;
    00045
    00046
    00047
    00053 #define CS_PORTAL_CLIPDEST 0x00000001
    00054
    00062 #define CS_PORTAL_CLIPSTRADDLING 0x00000002
    00063
    00072 #define CS_PORTAL_ZFILL 0x00000004
    00073
    00080 #define CS_PORTAL_WARP 0x00000008
    00081
    00087 #define CS_PORTAL_MIRROR 0x00000010
    00088
    00095 #define CS_PORTAL_STATICDEST 0x00000020
    00096
    00106 #define CS_PORTAL_FLOAT 0x00000040
    00107
    00111 #define CS_PORTAL_COLLDET 0x00000080
    00112
    00116 #define CS_PORTAL_VISCULL 0x00000100
    00117
    00118
    00129 struct iPortalCallback : public virtual iBase
    00130 {
    00131   SCF_INTERFACE (iPortalCallback, 1, 0, 0);
    00132
    00137   virtual bool Traverse (iPortal* portal, iBase* context) = 0;
    00138 };
    00139
    00157 struct iPortal : public virtual iBase
    00158 {
    00159   SCF_INTERFACE(iPortal, 2,0,0);
    00160
    00162   virtual void SetName (const char* name) = 0;
    00164   virtual const char* GetName () const = 0;
    00165
    00167   virtual iSector* GetSector () const = 0;
    00168
    00173   virtual const csVector3* GetVertices () const = 0;
    00174
    00179   virtual const csVector3* GetWorldVertices () = 0;
    00180
    00185   virtual int* GetVertexIndices () const = 0;
    00186
    00190   virtual int GetVertexIndicesCount () const = 0;
    00191
    00195   virtual const csPlane3& GetObjectPlane () = 0;
    00196
    00200   virtual const csPlane3& GetWorldPlane () = 0;
    00201
    00205   virtual void ComputeCameraPlane (const csReversibleTransform& t,
    00206         csPlane3& camplane) = 0;
    00207
    00212   virtual bool PointOnPolygon (const csVector3& point) = 0;
    00213
    00218   virtual void SetSector (iSector* s) = 0;
    00219
    00221   virtual csFlags& GetFlags () = 0;
    00222
    00229   virtual void SetMaximumSectorVisit (int msv) = 0;
    00231   virtual int GetMaximumSectorVisit () const = 0;
    00232
    00239   virtual void SetPortalCallback (iPortalCallback* cb) = 0;
    00240
    00244   virtual void RemovePortalCallback (iPortalCallback* cb) = 0;
    00245
    00247   virtual int GetPortalCallbackCount () const = 0;
    00248
    00250   virtual iPortalCallback* GetPortalCallback (int idx) const = 0;
    00251
    00258   virtual void SetMissingSectorCallback (iPortalCallback* cb) = 0;
    00259
    00263   virtual void RemoveMissingSectorCallback (iPortalCallback* cb) = 0;
    00264
    00266   virtual int GetMissingSectorCallbackCount () const = 0;
    00267
    00269   virtual iPortalCallback* GetMissingSectorCallback (int idx) const = 0;
    00270
    00272   virtual void SetFilter (iTextureHandle* ft) = 0;
    00274   virtual iTextureHandle* GetTextureFilter () const = 0;
    00275
    00277   virtual void SetFilter (float r, float g, float b) = 0;
    00279   virtual void GetColorFilter (float &r, float &g, float &b) const = 0;
    00280
    00281   //---- space warping ------------------------------------------------------
    00282
    00287   virtual void SetWarp (const csMatrix3 &m_w, const csVector3 &v_w_before,
    00288     const csVector3 &v_w_after) = 0;
    00293   virtual void SetWarp (const csTransform& t) = 0;
    00294
    00296   virtual void SetMirror (const csPlane3& plane) = 0;
    00297
    00299   virtual const csReversibleTransform &GetWarp () const = 0;
    00300
    00302   virtual void HardTransform (const csReversibleTransform& t) = 0;
    00303
    00308   virtual void ObjectToWorld (const csReversibleTransform& t,
    00309         csReversibleTransform& warp_wor) const = 0;
    00310
    00315   virtual csVector3 Warp (const csReversibleTransform& t,
    00316                   const csVector3& pos) const = 0;
    00317
    00329   virtual void WarpSpace (const csReversibleTransform& warp_wor,
    00330                   csReversibleTransform& t, bool& mirror) const = 0;
    00331
    00332   //-------------------------------------------------------------------------
    00333
    00339   virtual bool CompleteSector (iBase* context) = 0;
    00340
    00347   virtual void CheckFrustum (iFrustumView* lview,
    00348           const csReversibleTransform& t, int alpha) = 0;
    00349
    00359   virtual iMeshWrapper* HitBeamPortals (const csReversibleTransform& t,
    00360         const csVector3& start, const csVector3& end,
    00361         csVector3& isect, int* polygon_idx, iSector** final_sector = 0) = 0;
    00362
    00366   virtual size_t GetVerticesCount () const = 0;
    00367
    00368 };
    00369
    00372 #endif // __CS_IENGINE_PORTAL_H__
    00373