git.mutantstargoat.com Git - eradicate/blob - src/dos/main.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include "game.h"
   5 #include "keyb.h"
   6 #include "timer.h"
   7 #include "gfx.h"
   8 #include "logger.h"
   9 #include "cdpmi.h"
  10
  11 static struct video_mode *vmode;
  12 static int quit;
  13
  14 int main(int argc, char **argv)
  15 {
  16         void *fb_buf;
  17         struct video_mode *vmodes;
  18         int vmidx, status = 0;
  19
  20         init_logger("game.log");
  21
  22         init_timer(100);
  23         kb_init(32);
  24
  25         if(init_video() == -1) {
  26                 return 1;
  27         }
  28         vmodes = video_modes();
  29
  30         if((vmidx = match_video_mode(640, 480, 16)) == -1) {
  31                 return 1;
  32         }
  33         if(!(vmem = set_video_mode(vmidx, 1))) {
  34                 return 1;
  35         }
  36         vmode = vmodes + vmidx;
  37
  38         fb_width = vmode->xsz;
  39         fb_height = vmode->ysz;
  40         fb_size = vmode->pitch * vmode->ysz;
  41
  42         if(!(fb_buf = malloc(fb_size + vmode->pitch * 2))) {
  43                 fprintf(stderr, "failed to allocate framebuffer\n");
  44                 status = -1;
  45                 goto break_evloop;
  46         }
  47         fb_pixels = (char*)fb_buf + vmode->pitch;
  48
  49         if(init(argc, argv) == -1) {
  50                 status = -1;
  51                 goto break_evloop;
  52         }
  53
  54         reset_timer();
  55
  56         for(;;) {
  57                 int key;
  58                 if(key_event) {
  59                         while((key = kb_getkey()) != -1) {
  60                                 key_event(key, 1);
  61                         }
  62                 } else {
  63                         while((key = kb_getkey()) != -1) {
  64                                 if(key == 27) goto break_evloop;
  65                         }
  66                 }
  67                 if(quit) goto break_evloop;
  68
  69                 time_msec = get_msec();
  70                 draw();
  71         }
  72
  73 break_evloop:
  74         free(fb_buf);
  75         cleanup();
  76         set_text_mode();
  77         cleanup_video();
  78         kb_shutdown();
  79         return status;
  80 }
  81
  82 void game_quit(void)
  83 {
  84         quit = 1;
  85 }