void script_2863() {
	if (((boolean)globalint_1074)) {
		if (((boolean)globalint_1071)) {
			globalint_1071 = 19;
		} else {
			globalint_1071 = subtract(globalint_1071, 1);
		}
	} else if (((boolean)globalint_1074)) {
		globalint_1072 = addToCoordinate(globalint_1072, -1, 0, 0);
	} else {
		cs2method5510();
	}
	return;
}