#define IMG_UNDEFINED (-1)
#define IMG_EMPTY IMG_EMPTY_SPACE
-#define IMG_SP_EMPTY IMG_SP_EMPTY_SPACE
+#define IMG_SP_EMPTY IMG_EMPTY_SPACE
+#define IMG_SP_EMPTY_SPACE IMG_EMPTY_SPACE
#define IMG_EXPLOSION IMG_DEFAULT_EXPLODING
#define IMG_CHAR_START IMG_CHAR_SPACE
#define IMG_STEEL_CHAR_START IMG_STEEL_CHAR_SPACE