Function Unit_Rotate

src/unit.c:65–96

* Rotate a unit (or his top). * * @param unit The Unit to operate on. * @param level 0 = base, 1 = top (turret etc). */

 * @param level 0 = base, 1 = top (turret etc).
 */
static void Unit_Rotate(Unit *unit, uint16 level)
{
	int8 target;
	int8 current;
	int8 newCurrent;
	int16 diff;

	assert(level == 0 || level == 1);

	if (unit->orientation[level].speed == 0) return;

	target = unit->orientation[level].target;
	current = unit->orientation[level].current;
	diff = target - current;

	if (diff > 128) diff -= 256;
	if (diff < -128) diff += 256;
	diff = abs(diff);

	newCurrent = current + unit->orientation[level].speed;

	if (abs(unit->orientation[level].speed) >= diff) {
		unit->orientation[level].speed = 0;
		newCurrent = target;
	}

	unit->orientation[level].current = newCurrent;

	if (Orientation_Orientation256ToOrientation16(newCurrent) == Orientation_Orientation256ToOrientation16(current) && Orientation_Orientation256ToOrientation8(newCurrent) == Orientation_Orientation256ToOrientation8(current)) return;

	Unit_UpdateMap(2, unit);
}

static void Unit_MovementTick(Unit *unit)
{