/**
* Handles some calculations when the path is finished.
*/
void UnitWalkBState::postPathProcedures()
{
_action.clearTU();
if (_unit->getFaction() != FACTION_PLAYER)
{
int dir = _action.finalFacing;
if (_action.finalAction)
{
_unit->dontReselect();
}
if (_unit->getCharging() != 0)
{
dir = _parent->getTileEngine()->getDirectionTo(_unit->getPosition(), _unit->getCharging()->getPosition());
if (_parent->getTileEngine()->validMeleeRange(_unit, _action.actor->getCharging(), dir))
{
BattleAction action;
action.actor = _unit;
action.target = _unit->getCharging()->getPosition();
action.weapon = _unit->getUtilityWeapon(BT_MELEE);
action.type = BA_HIT;
action.targeting = true;
action.updateTU();
_unit->setCharging(0);
_parent->statePushBack(new MeleeAttackBState(_parent, action));
}
}
else if (_unit->isHiding())
{
dir = _unit->getDirection() + 4;
_unit->setHiding(false);
_unit->dontReselect();
}
if (dir != -1)
{
if (dir >= 8)
{
dir -= 8;
}
_unit->lookAt(dir);
while (_unit->getStatus() == STATUS_TURNING)
{
_unit->turn();
_parent->getTileEngine()->calculateFOV(_unit);
}
}
}
else if (!_parent->getPanicHandled())
{
//todo: set the unit to aggrostate and try to find cover?
_unit->setTimeUnits(0);
}
_terrain->calculateLighting(LL_UNITS, _unit->getPosition());
_terrain->calculateFOV(_unit);
if (!_falling)
_parent->popState();
}
/**
* Runs state functionality every cycle.
* Ends the panicking when done.
*/
void UnitPanicBState::think()
{
if (_unit)
{
// berserking requires handling here, as the target selection isn't completely random
// and needs updating between shots.
if (!_unit->isOut() && _shotsFired < 10 && _berserking)
{
_shotsFired++;
BattleAction ba;
ba.actor = _unit;
ba.weapon = _unit->getMainHandWeapon();
if (_parent->getSave()->canUseWeapon(ba.weapon, ba.actor, _berserking))
{
// make autoshots if possible.
ba.type = BA_AUTOSHOT;
ba.updateTU();
bool canShoot = ba.haveTU();
if (!canShoot)
{
ba.type = BA_SNAPSHOT;
ba.updateTU();
canShoot = ba.haveTU();
}
if (!canShoot)
{
ba.type = BA_AIMEDSHOT;
ba.updateTU();
canShoot = ba.haveTU();
}
if (canShoot)
{
// if we see enemies, shoot at the closest living one.
if (!_unit->getVisibleUnits()->empty())
{
int dist = 255;
for (std::vector<BattleUnit*>::const_iterator i = _unit->getVisibleUnits()->begin(); i != _unit->getVisibleUnits()->end(); ++i)
{
int newDist = _parent->getTileEngine()->distance(_unit->getPosition(), (*i)->getPosition());
if (newDist < dist)
{
ba.target = (*i)->getPosition();
dist = newDist;
}
}
}
else // otherwise shoot randomly
{
ba.target = Position(_unit->getPosition().x + RNG::generate(-6,6), _unit->getPosition().y + RNG::generate(-6,6), _unit->getPosition().z);
}
// include the cost for facing our target
int turnCost = std::abs(_unit->getDirection() - _unit->directionTo(ba.target));
if (turnCost > 4)
{
turnCost = 8-turnCost;
}
_unit->spendTimeUnits(turnCost);
_parent->statePushFront(new UnitTurnBState(_parent, ba, false));
// even if we don't have enough TUs to turn AND shoot, we still want to turn.
if (ba.haveTU())
{
_parent->statePushNext(new ProjectileFlyBState(_parent, ba));
}
}
}
return;
}
if (!_unit->isOut())
{
_unit->abortTurn(); // set the unit status to standing in case it wasn't otherwise changed from berserk/panicked
}
// reset the unit's time units when all panicking is done
_unit->setTimeUnits(0);
_unit->moraleChange(+15);
}
_parent->popState();
_parent->setupCursor();
}