git.mutantstargoat.com Git - vrtris/blob - src/screen.c

   1 #include "screen.h"
   2
   3 static struct game_screen *screens[16];
   4 static int num_screens;
   5
   6 static struct game_screen *stack;
   7
   8 int init_screens(void)
   9 {
  10         int i;
  11
  12         for(i=0; i<num_screens; i++) {
  13                 if(screens[i]->init() == -1) {
  14                         return -1;
  15                 }
  16         }
  17         return 0;
  18 }
  19
  20 void cleanup_screens(void)
  21 {
  22         int i;
  23
  24         for(i=0; i<num_screens; i++) {
  25                 screens[i]->cleanup();
  26         }
  27 }
  28
  29 void reshape_screens(int x, int y)
  30 {
  31         struct game_screen *s = stack;
  32         while(s) {
  33                 s->reshape(x, y);
  34                 s = s->next;
  35         }
  36 }
  37
  38 void push_screen(struct game_screen *s)
  39 {
  40         s->next = stack;
  41         stack = s;
  42         s->start();
  43 }
  44
  45 int pop_screen(void)
  46 {
  47         struct game_screen *s;
  48
  49         if(!stack->next) return -1;
  50         s = stack;
  51         stack = stack->next;
  52         s->stop();
  53         return 0;
  54 }