Function Unit_SetOrientation

src/unit.c:1671–1696

* Set the new orientation of the unit. * * @param unit The Unit to operate on. * @param orientation The new orientation of the unit. * @param rotateInstantly If true, rotation is instant. Else the unit turns over the next few ticks slowly. * @param level 0 = base, 1 = top (turret etc). */

 * @param level 0 = base, 1 = top (turret etc).
 */
void Unit_SetOrientation(Unit *unit, int8 orientation, bool rotateInstantly, uint16 level)
{
	int16 diff;

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

	if (unit == NULL) return;

	unit->orientation[level].speed = 0;
	unit->orientation[level].target = orientation;

	if (rotateInstantly) {
		unit->orientation[level].current = orientation;
		return;
	}

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

	unit->orientation[level].speed = g_table_unitInfo[unit->o.type].turningSpeed * 4;

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

	if ((diff > -128 && diff < 0) || diff > 128) {
		unit->orientation[level].speed = -unit->orientation[level].speed;
	}
}

/**
 * Selects the given unit.