source/renderer/SkyManager.h

   1 /* Copyright (C) 2012 Wildfire Games.
   2  * This file is part of 0 A.D.
   3  *
   4  * 0 A.D. is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * 0 A.D. is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /*
  19  * Sky settings and texture management
  20  */
  21
  22 #ifndef INCLUDED_SKYMANAGER
  23 #define INCLUDED_SKYMANAGER
  24
  25 #include "graphics/Texture.h"
  26
  27 /**
  28  * Class SkyManager: Maintain sky settings and textures, and render the sky.
  29  */
  30 class SkyManager
  31 {
  32 public:
  33         bool m_RenderSky;
  34         float m_HorizonHeight;
  35
  36 public:
  37         SkyManager();
  38
  39         /**
  40          * RenderSky: Render the sky.
  41          */
  42         void RenderSky();
  43
  44         /**
  45          * GetSkySet(): Return the currently selected sky set name.
  46          */
  47         inline const CStrW& GetSkySet() const {
  48                 return m_SkySet;
  49         }
  50
  51         GLuint GetSkyCube() {
  52                 return m_SkyCubeMap;
  53         }
  54
  55         /**
  56          * GetSkySet(): Set the sky set name, potentially loading the textures.
  57          */
  58         void SetSkySet(const CStrW& name);
  59
  60         /**
  61          * Return a sorted list of available sky sets, in a form suitable
  62          * for passing to SetSkySet.
  63          */
  64         std::vector<CStrW> GetSkySets() const;
  65
  66 private:
  67         void LoadSkyTextures();
  68
  69         /// Name of current skyset (a directory within art/textures/skies)
  70         CStrW m_SkySet;
  71
  72         // Indices into m_SkyTexture
  73         enum
  74         {
  75                 FRONT,
  76                 BACK,
  77                 RIGHT,
  78                 LEFT,
  79                 TOP,
  80                 numTextures
  81         };
  82
  83         // Sky textures
  84         CTexturePtr m_SkyTexture[numTextures];
  85
  86         GLuint m_SkyCubeMap;
  87
  88         // Array of image names (defined in SkyManager.cpp), in the order of the IMG_ id's
  89         static const wchar_t* s_imageNames[numTextures];
  90 };
  91
  92
  93 #endif // INCLUDED_SKYMANAGER