unnamed-platformer/src/collide.c

#define PLAYER_SIDES 5
#define LEVEL_WIDTH 28

char collide(int x, int y, char level[], char tile)
{
  if ((level[(int)(x/8) + (int)(y/8) * LEVEL_WIDTH] == tile) ||
    (level[(int)(x/8) + (int)((y+PLAYER_SIDES)/8) * LEVEL_WIDTH] == tile) ||
    (level[(int)((x+PLAYER_SIDES)/8) + (int)((y+PLAYER_SIDES)/8) * LEVEL_WIDTH] == tile) ||
    (level[(int)((x+PLAYER_SIDES)/8) + (int)(y/8) * LEVEL_WIDTH] == tile) ||
    (level[(int)(x/8) + (int)((y+PLAYER_SIDES/2)/8) * LEVEL_WIDTH] == tile) ||
    (level[(int)((x+PLAYER_SIDES/2)/8) + (int)(y/8) * LEVEL_WIDTH] == tile) ||
    (level[(int)((x+PLAYER_SIDES/2)/8) + (int)((y+PLAYER_SIDES)/8) * LEVEL_WIDTH] == tile) ||
    (level[(int)((x+PLAYER_SIDES)/8) + (int)((y+PLAYER_SIDES/2)/8) * LEVEL_WIDTH] == tile)) return 1;
  return 0;
}