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
  26         active_screen->start();
  27         return true;
  28 }
  29
  30 void game_cleanup()
  31 {
  32         cleanup_screens();
  33 }
  34
  35 void game_draw()
  36 {
  37         active_screen->draw();
  38
  39         assert(glGetError() == GL_NO_ERROR);
  40 }
  41
  42 void game_reshape(int x, int y)
  43 {
  44         active_screen->reshape(x, y);
  45 }
  46
  47 void game_keyboard(int key, bool pressed)
  48 {
  49         if(pressed) {
  50                 switch(key) {
  51                 case 17:
  52                         /* for some inexplicable reason freeglut seems to produce key
  53                          * 17 for ctrl-q on both X and windows.
  54                          */
  55                         game_quit();
  56                         return;
  57
  58                 default:
  59                         break;
  60                 }
  61         }
  62
  63         active_screen->keyboard(key, pressed);
  64 }
  65
  66 void game_mbutton(int bn, bool pressed, int x, int y)
  67 {
  68         active_screen->mbutton(bn, pressed, x, y);
  69 }
  70
  71 void game_mmotion(int x, int y)
  72 {
  73         active_screen->mmotion(x, y);
  74 }
  75
  76 void game_mwheel(int dir, int x, int y)
  77 {
  78         active_screen->mwheel(dir, x, y);
  79 }