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# iengine/fview.h

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    00001 /*
    00002     Copyright (C) 2000-2001 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_FVIEW_H__
    00020 #define __CS_IENGINE_FVIEW_H__
    00021
    00029 #include "csutil/ref.h"
    00030 #include "csutil/scf.h"
    00031
    00032 #include "csgeom/frustum.h"
    00033
    00034 #include "iengine/shadows.h"
    00035
    00036
    00037 struct iFrustumView;
    00038 struct iMeshWrapper;
    00039 class csFrustum;
    00040 class csFrustumContext;
    00041
    00048 struct iFrustumViewUserdata : public virtual iBase
    00049 {
    00050   SCF_INTERFACE(iFrustumViewUserdata,2,0,0);
    00051 };
    00052
    00057 typedef void (csFrustumViewObjectFunc)(iMeshWrapper* mesh,
    00058   iFrustumView* lview, bool vis);
    00059
    00066 class csFrustumContext
    00067 {
    00068 private:
    00074   csRef<iShadowBlockList> shadows;
    00079   bool shared;
    00080
    00082   bool mirror;
    00083
    00088   csRef<csFrustum> light_frustum;
    00089
    00090 public:
    00092   csFrustumContext () :
    00093     shared (false),
    00094     mirror (false)
    00095   { }
    00096
    00097   csFrustumContext& operator= (csFrustumContext const& c)
    00098   {
    00099     shadows = c.shadows;
    00100     shared = c.shared;
    00101     mirror = c.mirror;
    00102     light_frustum = c.light_frustum;
    00103     return *this;
    00104   }
    00105
    00107   iShadowBlockList* GetShadows () { return shadows; }
    00109   void SetShadows (iShadowBlockList* shad, bool sh = true)
    00110   {
    00111     shadows = shad;
    00112     shared = sh;
    00113   }
    00115   void SetNewShadows (csPtr<iShadowBlockList> shad, bool sh = false)
    00116   {
    00117     shadows = shad;
    00118     shared = sh;
    00119   }
    00121   bool IsShared () { return shared; }
    00122
    00124   void SetLightFrustum (csFrustum* lf) { light_frustum = lf; }
    00126   void SetNewLightFrustum (csPtr<csFrustum> lf) { light_frustum = lf; }
    00128   csFrustum* GetLightFrustum () { return light_frustum; }
    00129
    00134   void SetMirrored (bool m) { mirror = m; }
    00136   bool IsMirrored () { return mirror; }
    00137 };
    00138
    00139
    00144 struct iFrustumView : public virtual iBase
    00145 {
    00146   SCF_INTERFACE(iFrustumView,2,0,0);
    00147
    00149   virtual csFrustumContext* GetFrustumContext () const = 0;
    00157   virtual void CreateFrustumContext () = 0;
    00162   virtual csFrustumContext* CopyFrustumContext () = 0;
    00167   virtual void SetFrustumContext (csFrustumContext* ctxt) = 0;
    00173   virtual void RestoreFrustumContext (csFrustumContext* original) = 0;
    00174
    00176   virtual void SetObjectFunction (csFrustumViewObjectFunc* func) = 0;
    00178   virtual void CallObjectFunction (iMeshWrapper* mesh, bool vis) = 0;
    00179
    00181   virtual float GetRadius () const = 0;
    00183   virtual float GetSquaredRadius () const = 0;
    00185   virtual bool CheckShadowMask (unsigned int mask) = 0;
    00187   virtual bool CheckProcessMask (unsigned int mask) = 0;
    00188
    00190   virtual void StartNewShadowBlock () = 0;
    00191
    00193   virtual void SetUserdata (iFrustumViewUserdata* data) = 0;
    00195   virtual iFrustumViewUserdata* GetUserdata () = 0;
    00196 };
    00197
    00200 #endif // __CS_IENGINE_FVIEW_H__
    00201