Method canMakeSnap

src/Battlescape/TileEngine.cpp:909–929

* Checks the validity of a snap shot performed here. * @param unit The unit to check sight from. * @param target The unit to check sight TO. * @return True if the target is valid. */

 * @return True if the target is valid.
 */
bool TileEngine::canMakeSnap(BattleUnit *unit, BattleUnit *target)
{
	BattleItem *weapon = unit->getMainHandWeapon();
	// has a weapon
	if (weapon &&
		// has a melee weapon and is in melee range
		((weapon->getRules()->getBattleType() == BT_MELEE &&
		validMeleeRange(unit, target, unit->getDirection()) &&
		unit->getTimeUnits() > unit->getActionTUs(BA_HIT, weapon)) ||
		// has a gun capable of snap shot with ammo
		(weapon->getRules()->getBattleType() != BT_MELEE &&
		weapon->getRules()->getTUSnap() &&
		weapon->getAmmoItem() &&
		unit->getTimeUnits() > unit->getActionTUs(BA_SNAPSHOT, weapon))) &&
		(unit->getOriginalFaction() != FACTION_PLAYER ||
		_save->getGeoscapeSave()->isResearched(weapon->getRules()->getRequirements())))
	{
		return true;
	}
	return false;
}

/**
 * Attempts to perform a reaction snap shot.