git.mutantstargoat.com Git - ld42_outofspace/blob - src/game.cc

   1 #include <assert.h>
   2 #include "opengl.h"
   3 #include "game.h"
   4 #include "screen.h"
   5
   6 int win_width, win_height;
   7 float win_aspect;
   8 long frame_time;
   9 float frame_dt;
  10
  11 bool game_init()
  12 {
  13         if(init_opengl() == -1) {
  14                 return false;
  15         }
  16
  17         if(!init_screens()) {
  18                 return false;
  19         }
  20
  21         glEnable(GL_MULTISAMPLE);
  22         glEnable(GL_FRAMEBUFFER_SRGB);
  23         glEnable(GL_DEPTH_TEST);
  24         glEnable(GL_CULL_FACE);
  25         glEnable(GL_LIGHTING);
  26         glEnable(GL_LIGHT0);
  27
  28         active_screen->start();
  29         return true;
  30 }
  31
  32 void game_cleanup()
  33 {
  34         cleanup_screens();
  35 }
  36
  37 void game_draw()
  38 {
  39         active_screen->draw();
  40
  41         assert(glGetError() == GL_NO_ERROR);
  42 }
  43
  44 void game_reshape(int x, int y)
  45 {
  46         active_screen->draw();
  47 }
  48
  49 void game_keyboard(int key, bool pressed)
  50 {
  51         if(pressed) {
  52                 switch(key) {
  53                 case 17:
  54                         /* for some inexplicable reason freeglut seems to produce key
  55                          * 17 for ctrl-q on both X and windows.
  56                          */
  57                         game_quit();
  58                         return;
  59
  60                 default:
  61                         break;
  62                 }
  63         }
  64
  65         active_screen->keyboard(key, pressed);
  66 }
  67
  68 void game_mbutton(int bn, bool pressed, int x, int y)
  69 {
  70         active_screen->mbutton(bn, pressed, x, y);
  71 }
  72
  73 void game_mmotion(int x, int y)
  74 {
  75         active_screen->mmotion(x, y);
  76 }
  77
  78 void game_mwheel(int dir, int x, int y)
  79 {
  80         active_screen->mwheel(dir, x, y);
  81 }