cstool/csview.h Source File (Crystal Space 2.0 Public API Reference)

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cstool/csview.h
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    00001 /*
    00002     CrystalSpace 3D renderer view
    00003     Copyright (C) 1998-2001 by Jorrit Tyberghein
    00004
    00005     This library is free software; you can redistribute it and/or
    00006     modify it under the terms of the GNU Library General Public
    00007     License as published by the Free Software Foundation; either
    00008     version 2 of the License, or (at your option) any later version.
    00009
    00010     This library is distributed in the hope that it will be useful,
    00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00013     Library General Public License for more details.
    00014
    00015     You should have received a copy of the GNU Library General Public
    00016     License along with this library; if not, write to the Free
    00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    00018 */
    00019
    00020 #ifndef __CS_CSVIEW_H__
    00021 #define __CS_CSVIEW_H__
    00022
    00027 #include "csextern.h"
    00028
    00029 #include "csutil/ref.h"
    00030 #include "csutil/scf_implementation.h"
    00031 #include "csutil/set.h"
    00032 #include "igeom/clip2d.h"
    00033 #include "iengine/mesh.h"
    00034 #include "ivaria/view.h"
    00035
    00036 class csBox2;
    00037 class csPoly2D;
    00038
    00043 class CS_CRYSTALSPACE_EXPORT csView :
    00044   public scfImplementation1<csView, iView>
    00045 {
    00046 private:
    00048   csRef<iEngine> Engine;
    00050   csRef<iGraphics3D> G3D;
    00052   int OldWidth, OldHeight;
    00053
    00055   csRef<iCamera> Camera;
    00056
    00058   csBox2* RectView;
    00060   csPoly2D* PolyView;
    00062   csRef<iClipper2D> Clipper;
    00063
    00065   void UpdateView ();
    00066
    00068   bool AutoResize;
    00069
    00070   CS::Utility::MeshFilter meshFilter;
    00071
    00072   // View width.
    00073   int viewWidth;
    00074
    00075   // View height.
    00076   int viewHeight;
    00077
    00078 public:
    00080   csView (iEngine *iEngine, iGraphics3D* ig3d);
    00082   virtual ~csView ();
    00083
    00085   virtual iEngine* GetEngine ();
    00087   virtual void SetEngine (iEngine* e);
    00088
    00090   virtual iCamera* GetCamera ();
    00092   virtual void SetCamera (iCamera* c);
    00093
    00094   virtual iPerspectiveCamera* GetPerspectiveCamera ();
    00095   virtual void SetPerspectiveCamera (iPerspectiveCamera* c);
    00096
    00097   virtual iCustomMatrixCamera* GetCustomMatrixCamera ();
    00098   virtual void SetCustomMatrixCamera (iCustomMatrixCamera* c);
    00099
    00101   virtual iGraphics3D* GetContext ();
    00103   virtual void SetContext (iGraphics3D *ig3d);
    00104
    00106   virtual void SetRectangle (int x, int y, int w, int h, bool restrictToScreen = true);
    00108   virtual void ClearView ();
    00110   virtual void AddViewVertex (int x, int y);
    00112   virtual void RestrictClipperToScreen ();
    00113
    00115   virtual void SetAutoResize (bool state) { AutoResize = state; }
    00116
    00118   virtual void UpdateClipper();
    00120   virtual iClipper2D* GetClipper ();
    00122   virtual void Draw (iMeshWrapper* mesh = 0);
    00123
    00124
    00125   virtual CS::Utility::MeshFilter& GetMeshFilter ()
    00126   {
    00127     return meshFilter;
    00128   }
    00129
    00130   // Get the view width.
    00131   virtual int GetWidth () const
    00132   {
    00133     return viewWidth;
    00134   }
    00135
    00136   // Get the view height.
    00137   virtual int GetHeight () const
    00138   {
    00139     return viewHeight;
    00140   }
    00141
    00142   // Set the view width.
    00143   virtual void SetWidth (int w)
    00144   {
    00145     viewWidth = w;
    00146   }
    00147
    00148   // Set the view height.
    00149   virtual void SetHeight (int h)
    00150   {
    00151     viewHeight = h;
    00152   }
    00153
    00154   virtual csVector2 NormalizedToScreen (const csVector2& pos)
    00155   {
    00156     return csVector2 (
    00157         (pos.x + 1.0f) * float (viewWidth) / 2.0f,
    00158         (pos.y + 1.0f) * float (viewHeight) / 2.0f
    00159         );
    00160   }
    00161
    00162   virtual csVector2 ScreenToNormalized (const csVector2& pos)
    00163   {
    00164     return csVector2 (
    00165         pos.x * 2.0f / float (viewWidth) - 1.0f,
    00166         pos.y * 2.0f / float (viewHeight) - 1.0f
    00167         );
    00168   }
    00169 };
    00170
    00171 #endif // __CS_CSVIEW_H__