game.c

   1 #include "map.h"
   2 #include "game.h"
   3
   4 enum dir {
   5         LEFT,
   6         DOWN,
   7         UP,
   8         RIGHT
   9 };
  10
  11 int move_player(struct pos* playerpos, enum tile* map, enum dir direction)
  12 {
  13         switch(direction) {
  14         case LEFT:
  15                 if(playerpos->x > 0 &&
  16                         get_tile(map, playerpos->y, playerpos->x - 1) == TILE_FLAT) {
  17                         playerpos->x -= 1;
  18                         return 1;
  19                 }
  20                 break;
  21         case DOWN:
  22                 if((playerpos->y < 15) &&
  23                         get_tile(map, playerpos->y + 1, playerpos->x) == TILE_FLAT) {
  24                         playerpos->y += 1;
  25                         return 1;
  26                 }
  27                 break;
  28         case UP:
  29                 if(playerpos->y > 0 &&
  30                         get_tile(map, playerpos->y - 1, playerpos->x) == TILE_FLAT) {
  31                         playerpos->y -= 1;
  32                         return 1;
  33                 }
  34                 break;
  35         case RIGHT:
  36                 if(playerpos->x < 15 &&
  37                         get_tile(map, playerpos->y, playerpos->x + 1) == TILE_FLAT) {
  38                         playerpos->x += 1;
  39                         return 1;
  40                 }
  41                 break;
  42         }
  43         return 0;
  44 }
  45
  46 int step(enum tile* map, struct pos* playerpos, int input)
  47 {
  48         switch(input) {
  49         case 'h':
  50                 move_player(playerpos, map, LEFT);
  51                 break;
  52         case 'j':
  53                 move_player(playerpos, map, DOWN);
  54                 break;
  55         case 'k':
  56                 move_player(playerpos, map, UP);
  57                 break;
  58         case 'l':
  59                 move_player(playerpos, map, RIGHT);
  60                 break;
  61         case 'q':
  62                 return 0;
  63         default:
  64                 return 1;
  65         }
  66         return 1;
  67 }
  68