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 <wchar.h>
  24 #include "IVideoDriver.h"
  25
  26 extern "C" {
  27   int
  28   irr_video_beginScene(irr_video_IVideoDriver* driver,
  29                        int backBuffer,
  30                        int zBuffer,
  31                        const irr_video_SColor* color,
  32                        irr_video_SExposedVideoData* videoData,
  33                        const irr_core_rect_s32* sourceRect)
  34   {
  35     // Color
  36     irr::video::SColor col = irr::video::SColor(color->a, color->r,
  37                                                 color->g, color->b);
  38
  39     // Video data
  40     // TODO
  41     irr::video::SExposedVideoData vdata = irr::video::SExposedVideoData();
  42
  43     // Source rect
  44     irr::core::rect<irr::s32> rect;
  45     if (sourceRect != NULL)
  46       {
  47         rect = irr::core::rect<irr::s32>(sourceRect->x,
  48                                          sourceRect->y,
  49                                          sourceRect->x2,
  50                                          sourceRect->y2);
  51       }
  52
  53     // Begin scene
  54     return ((irr::video::IVideoDriver*)driver)
  55       ->beginScene(backBuffer,
  56                    zBuffer,
  57                    col,
  58                    vdata,
  59                    sourceRect != NULL ? &rect : 0);
  60   }
  61
  62   int
  63   irr_video_endScene(irr_video_IVideoDriver* driver)
  64   {
  65     return ((irr::video::IVideoDriver*)driver)->endScene();
  66   }
  67
  68   int
  69   irr_video_getFPS(irr_video_IVideoDriver* driver)
  70   {
  71     return ((irr::video::IVideoDriver*)driver)->getFPS();
  72   }
  73
  74   const char*
  75   irr_video_getName(irr_video_IVideoDriver* driver)
  76   {
  77     const wchar_t *wname = ((irr::video::IVideoDriver*)driver)->getName();
  78     size_t nbytes = wcslen(wname) + 1;
  79     char *name = (char*)malloc(nbytes);
  80     wcstombs(name, wname, nbytes);
  81     return name;
  82   }
  83
  84   irr_video_ITexture*
  85   irr_video_getTexture(irr_video_IVideoDriver* driver,
  86                        const char* filename)
  87   {
  88     return (irr_video_ITexture*)
  89       ((irr::video::IVideoDriver*)driver)->getTexture(filename);
  90   }
  91
  92 }