src/IVideoDriver.cpp

   1 /* c-irrlicht --- C bindings for Irrlicht Engine
   2
   3    Copyright (C) 2019 Javier Sancho <jsf@jsancho.org>
   4
   5    This file is part of c-irrlicht.
   6
   7    c-irrlicht is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU Lesser General Public License as
   9    published by the Free Software Foundation; either version 3 of the
  10    License, or (at your option) any later version.
  11
  12    c-irrlicht is distributed in the hope that it will be useful, but
  13    WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with guile-irrlicht.  If not, see
  19    <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include <irrlicht/irrlicht.h>
  23 #include "IVideoDriver.h"
  24
  25 extern "C" {
  26   bool irr_video_IVideoDriver_beginScene(void* driver,
  27                                          bool backBuffer,
  28                                          bool zBuffer,
  29                                          const irr_video_SColor* color,
  30                                          void* videoData, // not used for now
  31                                          const irr_core_rect_s32* sourceRect)
  32   {
  33     // Color
  34     irr::video::SColor col = irr::video::SColor(color->a, color->r,
  35                                                 color->g, color->b);
  36
  37     // Video data
  38     irr::video::SExposedVideoData vdata = irr::video::SExposedVideoData();
  39
  40     // Source rect
  41     irr::core::rect<irr::s32> rect;
  42     if (sourceRect != NULL)
  43       {
  44         rect = irr::core::rect<irr::s32>(sourceRect->x,
  45                                          sourceRect->y,
  46                                          sourceRect->x2,
  47                                          sourceRect->y2);
  48       }
  49
  50     // Begin scene
  51     return ((irr::video::IVideoDriver*)driver)->beginScene(backBuffer,
  52                                                            zBuffer,
  53                                                            col,
  54                                                            vdata,
  55                                                            sourceRect != NULL ? &rect : 0);
  56   }
  57
  58   bool irr_video_IVideoDriver_endScene(void* driver)
  59   {
  60     return ((irr::video::IVideoDriver*)driver)->endScene();
  61   }
  62 }