/**
* Updates item info.
* @param action Pointer to an action.
*/
void InventoryState::invClick(Action *action)
{
BattleItem *item = _inv->getSelectedItem();
_txtItem->setText(L"");
_txtAmmo->setText(L"");
_selAmmo->clear();
if (item != 0)
{
if (item->getUnit() && item->getUnit()->getStatus() == STATUS_UNCONSCIOUS)
{
_txtItem->setText(item->getUnit()->getName(_game->getLanguage()));
}
else
{
if (_game->getSavedGame()->isResearched(item->getRules()->getRequirements()))
{
_txtItem->setText(_game->getLanguage()->getString(item->getRules()->getName()));
}
else
{
_txtItem->setText(_game->getLanguage()->getString("STR_ALIEN_ARTIFACT"));
}
}
std::wstringstream ss;
if (item->getAmmoItem() != 0 && item->needsAmmo())
{
ss << _game->getLanguage()->getString("STR_AMMO_ROUNDS_LEFT") << L'\x01' << item->getAmmoItem()->getAmmoQuantity();
SDL_Rect r;
r.x = 0;
r.y = 0;
r.w = RuleInventory::HAND_W * RuleInventory::SLOT_W;
r.h = RuleInventory::HAND_H * RuleInventory::SLOT_H;
_selAmmo->drawRect(&r, Palette::blockOffset(0)+8);
r.x++;
r.y++;
r.w -= 2;
r.h -= 2;
_selAmmo->drawRect(&r, 0);
item->getAmmoItem()->getRules()->drawHandSprite(_game->getResourcePack()->getSurfaceSet("BIGOBS.PCK"), _selAmmo);
}
else if (item->getAmmoQuantity() != 0 && item->needsAmmo())
{
ss << _game->getLanguage()->getString("STR_AMMO_ROUNDS_LEFT") << L'\x01' << item->getAmmoQuantity();
}
_txtAmmo->setText(ss.str());
}
if (_tu)
{
std::wstringstream ss;
ss << _game->getLanguage()->getString("STR_TUS") << L'\x01' << _battleGame->getSelectedUnit()->getTimeUnits();
_txtTus->setText(ss.str());
}
}
/**
* Updates item info.
* @param action Pointer to an action.
*/
void InventoryState::invClick(Action *)
{
BattleItem *item = _inv->getSelectedItem();
_txtItem->setText(L"");
_txtAmmo->setText(L"");
_selAmmo->clear();
if (item != 0)
{
if (item->getUnit() && item->getUnit()->getStatus() == STATUS_UNCONSCIOUS)
{
_txtItem->setText(item->getUnit()->getName(_game->getLanguage()));
}
else
{
if (_game->getSavedGame()->isResearched(item->getRules()->getRequirements()))
{
_txtItem->setText(tr(item->getRules()->getName()));
}
else
{
_txtItem->setText(tr("STR_ALIEN_ARTIFACT"));
}
}
std::wstring s;
if (item->getAmmoItem() != 0 && item->needsAmmo())
{
s = tr("STR_AMMO_ROUNDS_LEFT").arg(item->getAmmoItem()->getAmmoQuantity());
SDL_Rect r;
r.x = 0;
r.y = 0;
r.w = RuleInventory::HAND_W * RuleInventory::SLOT_W;
r.h = RuleInventory::HAND_H * RuleInventory::SLOT_H;
_selAmmo->drawRect(&r, Palette::blockOffset(0)+8);
r.x++;
r.y++;
r.w -= 2;
r.h -= 2;
_selAmmo->drawRect(&r, 0);
item->getAmmoItem()->getRules()->drawHandSprite(_game->getResourcePack()->getSurfaceSet("BIGOBS.PCK"), _selAmmo);
}
else if (item->getAmmoQuantity() != 0 && item->needsAmmo())
{
s = tr("STR_AMMO_ROUNDS_LEFT").arg(item->getAmmoQuantity());
}
else if (item->getRules()->getBattleType() == BT_MEDIKIT)
{
s = tr("STR_MEDI_KIT_QUANTITIES_LEFT").arg(item->getPainKillerQuantity()).arg(item->getStimulantQuantity()).arg(item->getHealQuantity());
}
_txtAmmo->setText(s);
}
updateStats();
}
/**
* Get the "main hand weapon" from the unit.
* @return Pointer to item.
*/
BattleItem *BattleUnit::getMainHandWeapon() const
{
BattleItem *weaponRightHand = getItem("STR_RIGHT_HAND");
BattleItem *weaponLeftHand = getItem("STR_LEFT_HAND");
// if there is only one weapon, or only one weapon loaded (rules out grenades) it's easy:
if (!weaponRightHand || !weaponRightHand->getAmmoItem() || !weaponRightHand->getAmmoItem()->getAmmoQuantity())
return weaponLeftHand;
if (!weaponLeftHand || !weaponLeftHand->getAmmoItem() || !weaponLeftHand->getAmmoItem()->getAmmoQuantity())
return weaponRightHand;
// otherwise pick the one with the least snapshot TUs
int tuRightHand = weaponRightHand->getRules()->getTUSnap();
int tuLeftHand = weaponRightHand->getRules()->getTUSnap();
if (tuLeftHand >= tuRightHand)
{
return weaponRightHand;
}
else
{
return weaponLeftHand;
}
}
/**
* init sequence:
* - check if shot is valid
* - calculate base accuracy
*/
void ProjectileFlyBState::init()
{
if (_initialized) return;
_initialized = true;
BattleItem *weapon = _action.weapon;
_projectileItem = 0;
_autoshotCounter = 0;
if (!weapon) // can't shoot without weapon
return;
if (!_parent->getSave()->getTile(_action.target)) // invalid target position
return;
if (_action.actor->getTimeUnits() < _action.TU && !_parent->dontSpendTUs())
{
_action.result = "STR_NOT_ENOUGH_TIME_UNITS";
_parent->popState();
return;
}
_unit = _action.actor;
_ammo = weapon->getAmmoItem();
if (_unit->isOut())
{
// something went wrong - we can't shoot when dead or unconscious
_parent->popState();
return;
}
// autoshot will default back to snapshot if it's not possible
if (weapon->getRules()->getAccuracyAuto() == 0 && _action.type == BA_AUTOSHOT)
_action.type = BA_SNAPSHOT;
// snapshot defaults to "hit" if it's a melee weapon
// (in case of reaction "shots" with a melee weapon)
if (weapon->getRules()->getBattleType() == BT_MELEE && _action.type == BA_SNAPSHOT)
_action.type = BA_HIT;
switch (_action.type)
{
case BA_SNAPSHOT:
case BA_AIMEDSHOT:
case BA_AUTOSHOT:
case BA_LAUNCH:
if (_ammo == 0)
{
_action.result = "STR_NO_AMMUNITION_LOADED";
_parent->popState();
return;
}
if (_ammo->getAmmoQuantity() == 0)
{
_action.result = "STR_NO_ROUNDS_LEFT";
_parent->popState();
return;
}
break;
case BA_THROW:
if (!validThrowRange(&_action))
{
// out of range
_action.result = "STR_OUT_OF_RANGE";
_parent->popState();
return;
}
_projectileItem = weapon;
break;
case BA_HIT:
if (!validMeleeRange(&_action))
{
_action.result = "STR_THERE_IS_NO_ONE_THERE";
_parent->popState();
return;
}
break;
case BA_PANIC:
case BA_MINDCONTROL:
_parent->statePushFront(new ExplosionBState(_parent, Position((_action.target.x*16)+8,(_action.target.y*16)+8,(_action.target.z*24)+10), weapon, _action.actor));
return;
default:
_parent->popState();
return;
}
if (createNewProjectile() == true)
{
BattleAction action;
BattleUnit *potentialVictim = _parent->getSave()->getTile(_action.target)->getUnit();
if (potentialVictim && potentialVictim->getFaction() != _unit->getFaction())
{
if (_parent->getSave()->getTileEngine()->checkReactionFire(_unit, &action, potentialVictim, false))
{
_parent->statePushBack(new ProjectileFlyBState(_parent, action));
}
}
}
}
/**
* Animates the projectile (move to the next point in it's trajectory).
* If the animation is finished the projectile sprite is removed from the map.
* And this state is finished.
*/
void ProjectileFlyBState::think()
{
/* TODO refactoring : store the projectile in this state, instead of getting it from the map each time? */
if (_parent->getMap()->getProjectile() == 0)
{
if (_action.type == BA_AUTOSHOT && _autoshotCounter < 3 && !_action.actor->isOut() && _ammo->getAmmoQuantity() != 0)
{
createNewProjectile();
}
else
{
_parent->popState();
}
}
else
{
if(!_parent->getMap()->getProjectile()->move())
{
// impact !
if (_action.type == BA_THROW)
{
Position pos = _parent->getMap()->getProjectile()->getPosition(-1);
pos.x /= 16;
pos.y /= 16;
pos.z /= 24;
BattleItem *item = _parent->getMap()->getProjectile()->getItem();
_parent->getResourcePack()->getSoundSet("BATTLE.CAT")->getSound(38)->play();
if (Options::getBool("battleAltGrenade") && item->getRules()->getBattleType() == BT_GRENADE && item->getExplodeTurn() > 0)
{
// it's a hot grenade to explode immediately
_parent->statePushFront(new ExplosionBState(_parent, _parent->getMap()->getProjectile()->getPosition(-1), item, _action.actor));
}
else
{
_parent->dropItem(pos, item);
}
}
else if (_action.type == BA_LAUNCH && _action.waypoints.size() > 1 && _projectileImpact == -1)
{
_origin = _action.waypoints.front();
_action.waypoints.pop_front();
_action.target = _action.waypoints.front();
// launch the next projectile in the waypoint cascade
_parent->statePushBack(new ProjectileFlyBState(_parent, _action, _origin));
}
else
{
if (_action.type == BA_LAUNCH && _ammo->spendBullet() == false)
{
_parent->getSave()->removeItem(_ammo);
_action.weapon->setAmmoItem(0);
}
if (_projectileImpact != 5) // out of map
{
int offset = 0;
// explosions impact not inside the voxel but one step back
if (_ammo && (
_ammo->getRules()->getDamageType() == DT_HE ||
_ammo->getRules()->getDamageType() == DT_IN))
{
offset = -1;
}
_parent->statePushFront(new ExplosionBState(_parent, _parent->getMap()->getProjectile()->getPosition(offset), _ammo, _action.actor));
}
else
{
_unit->aim(false);
_parent->getMap()->cacheUnits();
}
}
delete _parent->getMap()->getProjectile();
_parent->getMap()->setProjectile(0);
}
}
}
/**
* init sequence:
* - check if shot is valid
* - calculate base accuracy
*/
void ProjectileFlyBState::init()
{
if (_initialized) return;
_initialized = true;
BattleItem *weapon = _action.weapon;
_projectileItem = 0;
if (!weapon) // can't shoot without weapon
{
_parent->popState();
return;
}
if (!_parent->getSave()->getTile(_action.target)) // invalid target position
{
_parent->popState();
return;
}
if (_parent->getPanicHandled() && _action.actor->getTimeUnits() < _action.TU)
{
_action.result = "STR_NOT_ENOUGH_TIME_UNITS";
_parent->popState();
return;
}
_unit = _action.actor;
_ammo = weapon->getAmmoItem();
if (_unit->isOut())
{
// something went wrong - we can't shoot when dead or unconscious
_parent->popState();
return;
}
// reaction fire
if (_unit->getFaction() != _parent->getSave()->getSide())
{
// no ammo or target is dead: give the time units back and cancel the shot.
if (_ammo == 0 || !_parent->getSave()->getTile(_action.target)->getUnit() || _parent->getSave()->getTile(_action.target)->getUnit()->isOut())
{
_unit->setTimeUnits(_unit->getTimeUnits() + _unit->getActionTUs(_action.type, _action.weapon));
_parent->popState();
return;
}
}
// autoshot will default back to snapshot if it's not possible
if (weapon->getRules()->getAccuracyAuto() == 0 && _action.type == BA_AUTOSHOT)
_action.type = BA_SNAPSHOT;
// snapshot defaults to "hit" if it's a melee weapon
// (in case of reaction "shots" with a melee weapon)
if (weapon->getRules()->getBattleType() == BT_MELEE && _action.type == BA_SNAPSHOT)
_action.type = BA_HIT;
switch (_action.type)
{
case BA_SNAPSHOT:
case BA_AIMEDSHOT:
case BA_AUTOSHOT:
case BA_LAUNCH:
if (_ammo == 0)
{
_action.result = "STR_NO_AMMUNITION_LOADED";
_parent->popState();
return;
}
if (_ammo->getAmmoQuantity() == 0)
{
_action.result = "STR_NO_ROUNDS_LEFT";
_parent->popState();
return;
}
break;
case BA_THROW:
if (!validThrowRange(&_action))
{
// out of range
_action.result = "STR_OUT_OF_RANGE";
_parent->popState();
return;
}
_projectileItem = weapon;
break;
case BA_HIT:
if (!_parent->getTileEngine()->validMeleeRange(_action.actor->getPosition(), _action.actor->getDirection(), _action.actor->getArmor()->getSize(), 0))
{
_action.result = "STR_THERE_IS_NO_ONE_THERE";
_parent->popState();
return;
}
break;
case BA_PANIC:
case BA_MINDCONTROL:
_parent->statePushFront(new ExplosionBState(_parent, Position((_action.target.x*16)+8,(_action.target.y*16)+8,(_action.target.z*24)+10), weapon, _action.actor));
return;
default:
_parent->popState();
return;
}
createNewProjectile();
}
/**
* Animates the projectile (move to the next point in it's trajectory).
* If the animation is finished the projectile sprite is removed from the map.
* And this state is finished.
*/
void ProjectileFlyBState::think()
{
/* TODO refactoring : store the projectile in this state, instead of getting it from the map each time? */
if (_parent->getMap()->getProjectile() == 0)
{
if (_action.type == BA_AUTOSHOT && _action.autoShotCounter < 3 && !_action.actor->isOut() && _ammo->getAmmoQuantity() != 0)
{
createNewProjectile();
}
else
{
if (_action.cameraPosition.z != -1)
{
_parent->getMap()->getCamera()->setMapOffset(_action.cameraPosition);
}
if (_action.type != BA_PANIC && _action.type != BA_MINDCONTROL)
{
_parent->getTileEngine()->checkReactionFire(_unit);
}
_unit->abortTurn();
_parent->popState();
}
}
else
{
if(!_parent->getMap()->getProjectile()->move())
{
// impact !
if (_action.type == BA_THROW)
{
Position pos = _parent->getMap()->getProjectile()->getPosition(-1);
pos.x /= 16;
pos.y /= 16;
pos.z /= 24;
BattleItem *item = _parent->getMap()->getProjectile()->getItem();
_parent->getResourcePack()->getSound("BATTLE.CAT", 38)->play();
if (Options::getBool("battleInstantGrenade") && item->getRules()->getBattleType() == BT_GRENADE && item->getExplodeTurn() != 0 && item->getExplodeTurn() <= _parent->getSave()->getTurn())
{
// it's a hot grenade to explode immediately
_parent->statePushFront(new ExplosionBState(_parent, _parent->getMap()->getProjectile()->getPosition(-1), item, _action.actor));
}
else
{
_parent->dropItem(pos, item);
}
}
else if (_action.type == BA_LAUNCH && _action.waypoints.size() > 1 && _projectileImpact == -1)
{
_origin = _action.waypoints.front();
_action.waypoints.pop_front();
_action.target = _action.waypoints.front();
// launch the next projectile in the waypoint cascade
_parent->statePushBack(new ProjectileFlyBState(_parent, _action, _origin));
}
else
{
if (_ammo && _action.type == BA_LAUNCH && _ammo->spendBullet() == false)
{
_parent->getSave()->removeItem(_ammo);
_action.weapon->setAmmoItem(0);
}
if (_projectileImpact != 5) // out of map
{
int offset = 0;
// explosions impact not inside the voxel but two steps back (projectiles generally move 2 voxels at a time)
if (_ammo && (
_ammo->getRules()->getDamageType() == DT_HE ||
_ammo->getRules()->getDamageType() == DT_IN))
{
offset = -2;
}
_parent->statePushFront(new ExplosionBState(_parent, _parent->getMap()->getProjectile()->getPosition(offset), _ammo, _action.actor, 0, (_action.type != BA_AUTOSHOT || _action.autoShotCounter == 3|| !_action.weapon->getAmmoItem())));
if (_projectileImpact == 4)
{
BattleUnit *victim = _parent->getSave()->getTile(_parent->getMap()->getProjectile()->getPosition(offset) / Position(16,16,24))->getUnit();
if (victim && !victim->isOut() && victim->getFaction() == FACTION_HOSTILE)
{
AggroBAIState *aggro = dynamic_cast<AggroBAIState*>(victim->getCurrentAIState());
if (aggro == 0)
{
aggro = new AggroBAIState(_parent->getSave(), victim);
victim->setAIState(aggro);
}
aggro->setAggroTarget(_action.actor);
}
}
}
else if (_action.type != BA_AUTOSHOT || _action.autoShotCounter == 3 || !_action.weapon->getAmmoItem())
{
_unit->aim(false);
_parent->getMap()->cacheUnits();
}
}
delete _parent->getMap()->getProjectile();
_parent->getMap()->setProjectile(0);
}
}
}
/**
* Shows item info.
* @param action Pointer to an action.
*/
void InventoryState::invMouseOver(Action *)
{
if (_inv->getSelectedItem() != 0)
{
return;
}
BattleItem *item = _inv->getMouseOverItem();
if (item != 0)
{
if (item->getUnit() && item->getUnit()->getStatus() == STATUS_UNCONSCIOUS)
{
_txtItem->setText(item->getUnit()->getName(_game->getLanguage()));
}
else
{
if (_game->getSavedGame()->isResearched(item->getRules()->getRequirements()))
{
_txtItem->setText(tr(item->getRules()->getName()));
}
else
{
_txtItem->setText(tr("STR_ALIEN_ARTIFACT"));
}
}
std::wstring s;
if (item->getAmmoItem() != 0 && item->needsAmmo())
{
s = tr("STR_AMMO_ROUNDS_LEFT").arg(item->getAmmoItem()->getAmmoQuantity());
SDL_Rect r;
r.x = 0;
r.y = 0;
r.w = RuleInventory::HAND_W * RuleInventory::SLOT_W;
r.h = RuleInventory::HAND_H * RuleInventory::SLOT_H;
_selAmmo->drawRect(&r, _game->getMod()->getInterface("inventory")->getElement("grid")->color);
r.x++;
r.y++;
r.w -= 2;
r.h -= 2;
_selAmmo->drawRect(&r, Palette::blockOffset(0)+15);
item->getAmmoItem()->getRules()->drawHandSprite(_game->getMod()->getSurfaceSet("BIGOBS.PCK"), _selAmmo);
_updateTemplateButtons(false);
}
else
{
_selAmmo->clear();
_updateTemplateButtons(!_tu);
}
if (item->getAmmoQuantity() != 0 && item->needsAmmo())
{
s = tr("STR_AMMO_ROUNDS_LEFT").arg(item->getAmmoQuantity());
}
else if (item->getRules()->getBattleType() == BT_MEDIKIT)
{
s = tr("STR_MEDI_KIT_QUANTITIES_LEFT").arg(item->getPainKillerQuantity()).arg(item->getStimulantQuantity()).arg(item->getHealQuantity());
}
_txtAmmo->setText(s);
}
else
{
if (_currentTooltip.empty())
{
_txtItem->setText(L"");
}
_txtAmmo->setText(L"");
_selAmmo->clear();
_updateTemplateButtons(!_tu);
}
}
void InventoryState::btnApplyTemplateClick(Action *)
{
// don't accept clicks when moving items
// it's ok if the template is empty -- it will just result in clearing the
// unit's inventory
if (_inv->getSelectedItem() != 0)
{
return;
}
BattleUnit *unit = _battleGame->getSelectedUnit();
std::vector<BattleItem*> *unitInv = unit->getInventory();
Tile *groundTile = unit->getTile();
std::vector<BattleItem*> *groundInv = groundTile->getInventory();
RuleInventory *groundRuleInv = _game->getMod()->getInventory("STR_GROUND");
_clearInventory(_game, unitInv, groundTile);
// attempt to replicate inventory template by grabbing corresponding items
// from the ground. if any item is not found on the ground, display warning
// message, but continue attempting to fulfill the template as best we can
bool itemMissing = false;
std::vector<EquipmentLayoutItem*>::iterator templateIt;
for (templateIt = _curInventoryTemplate.begin(); templateIt != _curInventoryTemplate.end(); ++templateIt)
{
// search for template item in ground inventory
std::vector<BattleItem*>::iterator groundItem;
const bool needsAmmo = !_game->getMod()->getItem((*templateIt)->getItemType())->getCompatibleAmmo()->empty();
bool found = false;
bool rescan = true;
while (rescan)
{
rescan = false;
const std::string targetAmmo = (*templateIt)->getAmmoItem();
BattleItem *matchedWeapon = NULL;
BattleItem *matchedAmmo = NULL;
for (groundItem = groundInv->begin(); groundItem != groundInv->end(); ++groundItem)
{
// if we find the appropriate ammo, remember it for later for if we find
// the right weapon but with the wrong ammo
const std::string groundItemName = (*groundItem)->getRules()->getType();
if (needsAmmo && targetAmmo == groundItemName)
{
matchedAmmo = *groundItem;
}
if ((*templateIt)->getItemType() == groundItemName)
{
// if the loaded ammo doesn't match the template item's,
// remember the weapon for later and continue scanning
BattleItem *loadedAmmo = (*groundItem)->getAmmoItem();
if ((needsAmmo && loadedAmmo && targetAmmo != loadedAmmo->getRules()->getType())
|| (needsAmmo && !loadedAmmo))
{
// remember the last matched weapon for simplicity (but prefer empty weapons if any are found)
if (!matchedWeapon || matchedWeapon->getAmmoItem())
{
matchedWeapon = *groundItem;
}
continue;
}
// move matched item from ground to the appropriate inv slot
(*groundItem)->setOwner(unit);
(*groundItem)->setSlot(_game->getMod()->getInventory((*templateIt)->getSlot()));
(*groundItem)->setSlotX((*templateIt)->getSlotX());
(*groundItem)->setSlotY((*templateIt)->getSlotY());
(*groundItem)->setFuseTimer((*templateIt)->getFuseTimer());
unitInv->push_back(*groundItem);
groundInv->erase(groundItem);
found = true;
break;
}
}
// if we failed to find an exact match, but found unloaded ammo and
// the right weapon, unload the target weapon, load the right ammo, and use it
if (!found && matchedWeapon && (!needsAmmo || matchedAmmo))
{
// unload the existing ammo (if any) from the weapon
BattleItem *loadedAmmo = matchedWeapon->getAmmoItem();
if (loadedAmmo)
{
groundTile->addItem(loadedAmmo, groundRuleInv);
matchedWeapon->setAmmoItem(NULL);
}
// load the correct ammo into the weapon
if (matchedAmmo)
{
matchedWeapon->setAmmoItem(matchedAmmo);
groundTile->removeItem(matchedAmmo);
}
// rescan and pick up the newly-loaded/unloaded weapon
rescan = true;
}
}
if (!found)
{
itemMissing = true;
}
}
if (itemMissing)
{
_inv->showWarning(tr("STR_NOT_ENOUGH_ITEMS_FOR_TEMPLATE"));
}
// refresh ui
_inv->arrangeGround(false);
updateStats();
_refreshMouse();
// give audio feedback
_game->getMod()->getSoundByDepth(_battleGame->getDepth(), Mod::ITEM_DROP)->play();
}
/**
* Runs any code the state needs to keep updating every
* AI cycle.
* @param action (possible) AI action to execute after thinking is done.
*/
void AggroBAIState::think(BattleAction *action)
{
action->type = BA_RETHINK;
action->actor = _unit;
/* Aggro is mainly either shooting a target or running towards it (melee).
If we do no action here - we assume we lost aggro and will go back to patrol state.
*/
int aggression = _unit->getAggression();
_aggroTarget = 0;
int unitsSpottingMe = _game->getSpottingUnits(_unit);
/* psionic targetting: pick from any of the "exposed" units.
exposed means they have been previously spotted, and are therefore "known" to the AI,
regardless of whether we can see them or not, because we're psychic.
*/
if (_unit->getStats()->psiSkill && _unit->getType() != "SOLDIER" && _game->getExposedUnits()->size() > 0 && RNG::generate(0, 100) > 66)
{
int psiAttackStrength = _unit->getStats()->psiSkill * _unit->getStats()->psiStrength / 50;
int chanceToAttack = 0;
int tries = 0;
for (std::vector<BattleUnit*>::const_iterator i = _game->getExposedUnits()->begin(); i != _game->getExposedUnits()->end() && tries < 80; ++i)
{
// don't target tanks
if ((*i)->getArmor()->getSize() != 2)
{
int chanceToAttackMe = psiAttackStrength
+ ((*i)->getStats()->psiSkill * -0.4)
- (_game->getTileEngine()->distance(_unit->getPosition(), (*i)->getPosition()) / 2)
- ((*i)->getStats()->psiStrength)
+ (RNG::generate(0, 50))
+ 55;
if (chanceToAttackMe > chanceToAttack)
{
chanceToAttack = chanceToAttackMe;
_aggroTarget = *i;
}
}
++tries;
}
if (!_aggroTarget)
chanceToAttack = 0;
if (chanceToAttack)
{
if (_unit->getMainHandWeapon() && _unit->getMainHandWeapon()->getAmmoItem())
{
if (_unit->getMainHandWeapon()->getAmmoItem()->getRules()->getPower() >= chanceToAttack)
{
chanceToAttack = 0;
_aggroTarget = 0;
}
}
else
{
if (RNG::generate(35, 155) >= chanceToAttack)
{
chanceToAttack = 0;
_aggroTarget = 0;
}
}
if (chanceToAttack >= 30)
{
int controlOrPanic = 60;
int morale = _aggroTarget->getMorale();
int bravery = _aggroTarget->getStats()->bravery;
if (bravery > 60)
controlOrPanic += 15;
if ( bravery < 40)
controlOrPanic -= 15;
if (morale >= 40)
{
if (morale - 10 * bravery < 50)
controlOrPanic += 15;
}
else
{
controlOrPanic -= 15;
}
if (!morale)
{
controlOrPanic = 0;
}
if (RNG::generate(0, 100) >= controlOrPanic)
{
action->type = BA_MINDCONTROL;
action->target = _aggroTarget->getPosition();
}
else
{
action->type = BA_PANIC;
action->target = _aggroTarget->getPosition();
}
}
else if (chanceToAttack)
{
action->type = BA_PANIC;
action->target = _aggroTarget->getPosition();
}
}
}
/*
* waypoint targetting: pick from any units currently spotted by our allies.
*/
if (_unit->getMainHandWeapon() && _unit->getMainHandWeapon()->getAmmoItem() && _unit->getMainHandWeapon()->getRules()->isWaypoint() && _unit->getType() != "SOLDIER")
{
for (std::vector<BattleUnit*>::const_iterator i = _game->getUnits()->begin(); i != _game->getUnits()->end() && _aggroTarget == 0; ++i)
{
if ((*i)->getFaction() == _unit->getFaction())
{
for (std::vector<BattleUnit*>::const_iterator j = (*i)->getVisibleUnits()->begin(); j != (*i)->getVisibleUnits()->end() && _aggroTarget == 0; ++j)
{
_game->getPathfinding()->calculate(_unit, (*j)->getPosition(), *j);
if (_game->getPathfinding()->getStartDirection() != -1 && explosiveEfficacy((*j)->getPosition(), _unit, (_unit->getMainHandWeapon()->getAmmoItem()->getRules()->getPower()/20)+1, action->diff))
{
_aggroTarget = *j;
}
_game->getPathfinding()->abortPath();
}
}
}
if (_aggroTarget != 0)
{
action->weapon = _unit->getMainHandWeapon();
action->type = BA_LAUNCH;
action->TU = action->actor->getActionTUs(action->type, action->weapon);
action->waypoints.clear();
int PathDirection;
int CollidesWith;
Position LastWayPoint = _unit->getPosition();
Position LastPosition = _unit->getPosition();
Position CurrentPosition = _unit->getPosition();
Position DirectionVector;
_game->getPathfinding()->calculate(_unit, _aggroTarget->getPosition(), _aggroTarget);
PathDirection = _game->getPathfinding()->dequeuePath();
while (PathDirection != -1)
{
LastPosition = CurrentPosition;
_game->getPathfinding()->directionToVector(PathDirection, &DirectionVector);
CurrentPosition = CurrentPosition + DirectionVector;
Position voxelPosA ((CurrentPosition.x * 16)+8, (CurrentPosition.y * 16)+8, (CurrentPosition.z * 24)+12);
Position voxelPosb ((LastWayPoint.x * 16)+8, (LastWayPoint.y * 16)+8, (LastWayPoint.z * 24)+12);
CollidesWith = _game->getTileEngine()->calculateLine(voxelPosA, voxelPosb, false, 0, _unit, true);
if (CollidesWith > -1 && CollidesWith < 4)
{
action->waypoints.push_back(LastPosition);
LastWayPoint = LastPosition;
}
else if (CollidesWith == 4)
{
BattleUnit* target = _game->getTile(CurrentPosition)->getUnit();
if (target == _aggroTarget)
{
action->waypoints.push_back(CurrentPosition);
LastWayPoint = CurrentPosition;
}
}
PathDirection = _game->getPathfinding()->dequeuePath();
}
action->target = action->waypoints.front();
if( action->waypoints.size() > 6 + (action->diff * 2) || LastWayPoint != _aggroTarget->getPosition())
{
action->type = BA_RETHINK;
}
}
}
/*
* Regular targetting: we can see an enemy, or an enemy can see us (in case we need to take cover)
*/
if (_unit->getVisibleUnits()->size() > 0 || unitsSpottingMe)
{
for (std::vector<BattleUnit*>::iterator j = _unit->getVisibleUnits()->begin(); j != _unit->getVisibleUnits()->end(); ++j)
{
//pick closest living unit
if (!_aggroTarget || _game->getTileEngine()->distance(_unit->getPosition(), (*j)->getPosition()) < _game->getTileEngine()->distance(_unit->getPosition(), _aggroTarget->getPosition()))
{
if(!(*j)->isOut())
_aggroTarget = (*j);
}
}
// if we currently see no target, we either can move to it's last seen position or lose aggro
if (_aggroTarget == 0 && _lastKnownTarget != 0)
{
_timesNotSeen++;
if (_timesNotSeen > _unit->getIntelligence() || aggression == 0)
{
// we lost aggro - going back to patrol state
return;
}
// lets go looking where we've last seen him
action->type = BA_WALK;
action->target = _lastKnownPosition;
}
else if (_aggroTarget != 0)
{
// if we see the target, we either can shoot him, or take cover.
bool takeCover = true;
bool charge = false;
_unit->setCharging(0);
int number = RNG::generate(0,100);
// extra 5% chance per unit that sees us
number += unitsSpottingMe * 5;
// lost health, chances to take cover get bigger
if (_unit->getHealth() < _unit->getStats()->health)
number += 10;
// aggrotarget has no weapon - chances of take cover get smaller
if (!_aggroTarget->getMainHandWeapon())
number -= 50;
if (aggression == 0 && number < 10)
takeCover = false;
if (aggression == 1 && number < 50)
takeCover = false;
if (aggression == 2 && number < 90)
takeCover = false;
// we're using melee, so CHAAAAAAAARGE!!!!!
if (_unit->getMainHandWeapon() && _unit->getMainHandWeapon()->getRules()->getBattleType() == BT_MELEE)
{
_unit->lookAt(_aggroTarget->getPosition() + Position(_unit->getArmor()->getSize()-1, _unit->getArmor()->getSize()-1, 0), false);
while (_unit->getStatus() == STATUS_TURNING)
_unit->turn();
if (_game->getTileEngine()->validMeleeRange(_unit, _aggroTarget))
{
action->target = _aggroTarget->getPosition();
action->weapon = action->actor->getMainHandWeapon();
action->type = BA_HIT;
charge = true;
}
else
{
takeCover = true;
bool targetFound = false;
int distance = 200;
int size = action->actor->getArmor()->getSize()-1;
int targetsize = _aggroTarget->getArmor()->getSize()-1;
for (int x = 0 - size; x <= targetsize; ++x)
{
for (int y = 0 - size; y <= targetsize; ++y)
{
if (!(x == 0 && y == 0))
{
Position checkPath = _aggroTarget->getPosition() + Position (x, y, 0);
_game->getPathfinding()->calculate(action->actor, checkPath, 0);
int newDistance = _game->getTileEngine()->distance(action->actor->getPosition(), checkPath);
bool valid = _game->getTileEngine()->validMeleeRange(checkPath, -1, action->actor->getArmor()->getSize(), action->actor->getHeight(), _aggroTarget);
if (_game->getPathfinding()->getStartDirection() != -1 && valid &&
newDistance < distance)
{
// CHAAAAAAARGE!
action->target = checkPath;
action->type = BA_WALK;
charge = true;
_unit->setCharging(_aggroTarget);
distance = newDistance;
}
_game->getPathfinding()->abortPath();
}
}
}
}
}
if (!takeCover && !charge)
{
_timesNotSeen = 0;
_lastKnownPosition = _aggroTarget->getPosition();
action->target = _aggroTarget->getPosition();
action->type = BA_NONE;
// lets' evaluate if we could throw a grenade
int tu = 4; // 4TUs for picking up the grenade
// do we have a grenade on our belt?
BattleItem *grenade = _unit->getGrenadeFromBelt();
// distance must be more than X tiles, otherwise it's too dangerous to play with explosives
if (grenade && explosiveEfficacy(_aggroTarget->getPosition(), _unit, (grenade->getRules()->getPower()/10)+1, action->diff))
{
if((_unit->getFaction() == FACTION_NEUTRAL && _aggroTarget->getFaction() == FACTION_HOSTILE) || _unit->getFaction() == FACTION_HOSTILE)
{
action->weapon = grenade;
tu += _unit->getActionTUs(BA_PRIME, grenade);
tu += _unit->getActionTUs(BA_THROW, grenade);
// do we have enough TUs to prime and throw the grenade?
if (tu <= _unit->getStats()->tu)
{
// are we within range?
if (ProjectileFlyBState::validThrowRange(action))
{
grenade->setExplodeTurn(_game->getTurn());
_unit->spendTimeUnits(_unit->getActionTUs(BA_PRIME, grenade));
action->type = BA_THROW;
}
}
}
}
if (action->type == BA_NONE)
{
action->weapon = action->actor->getMainHandWeapon();
// out of ammo or no weapon or ammo at all, we have to take cover
if (!action->weapon)
{
takeCover = true;
}
else
{
if(action->weapon->getAmmoItem() && ((_unit->getFaction() == FACTION_NEUTRAL && _aggroTarget->getFaction() == FACTION_HOSTILE) || _unit->getFaction() == FACTION_HOSTILE))
{
if (action->weapon->getAmmoItem()->getRules()->getDamageType() != DT_HE || explosiveEfficacy(_aggroTarget->getPosition(), _unit, (action->weapon->getAmmoItem()->getRules()->getPower() / 10) +1, action->diff))
{
if (RNG::generate(1,10) < 5 && action->weapon->getAmmoQuantity() > 2)
{
action->type = BA_AUTOSHOT;
}
else
{
action->type = BA_SNAPSHOT;
}
}
tu = action->actor->getActionTUs(action->type, action->weapon);
// enough time units to shoot?
if (tu > _unit->getTimeUnits())
{
takeCover = true;
}
}
else
takeCover = true;
}
}
}
if (takeCover && !charge)
{
// the idea is to check within a 11x11 tile squarefor a tile which is not seen by our aggroTarget
// if there is no such tile, we run away from the target.
action->type = BA_WALK;
int tries = 0;
bool coverFound = false;
int x_search_sign = RNG::generate(0, 1) ? 1 : -1; // randomize the direction of the search for lack of a better heuristic
int y_search_sign = RNG::generate(0, 1) ? 1 : -1;
int dx = _unit->getPosition().x - _aggroTarget->getPosition().x; // 2d vector in the direction away from the aggro target
int dy = _unit->getPosition().y - _aggroTarget->getPosition().y;
int dsqr = dx*dx + dy*dy;
int runx = _unit->getPosition().x + (dx * 7 * 7) / dsqr;
int runy = _unit->getPosition().y + (dy * 7 * 7) / dsqr;
while (tries < 150 && !coverFound)
{
tries++;
action->target = _unit->getPosition();
if (tries < 121)
{
// looking for cover
action->target.x += x_search_sign * ((tries%11) - 5);
action->target.y += y_search_sign * ((tries/11) - 5);
coverFound = !_game->getTileEngine()->visible(_aggroTarget, _game->getTile(action->target));
}
else
{
// trying to run the hell away
action->target.x = runx + RNG::generate(-5,5);
action->target.y = runy + RNG::generate(-5,5);
coverFound = true;
}
if (coverFound)
{
// check if we can reach this tile
_game->getPathfinding()->calculate(_unit, action->target);
if (_game->getPathfinding()->getStartDirection() == -1)
{
coverFound = false;
}
_game->getPathfinding()->abortPath();
}
}
}
}
if (action->type != BA_RETHINK && action->type != BA_WALK)
action->TU = action->actor->getActionTUs(action->type, action->weapon);
}
if (_aggroTarget != 0)
setAggroTarget(_aggroTarget);
}
/**
* Runs any code the state needs to keep updating every
* AI cycle.
* @param action (possible) AI action to execute after thinking is done.
*/
void AggroBAIState::think(BattleAction *action)
{
if (Options::getBool("traceAI")) { Log(LOG_INFO) << "AggroBAIState::think() #" << action->number << (charge ? " [charging]": " "); }
action->type = BA_RETHINK;
action->actor = _unit;
/* Aggro is mainly either shooting a target or running towards it (melee).
If we do no action here - we assume we lost aggro and will go back to patrol state.
*/
int aggression = _unit->getAggression();
if (!charge || (_aggroTarget && (_aggroTarget->isOut() || _aggroTarget->getFaction() == _unit->getFaction())))
{
_aggroTarget = 0;
} else
{
action->type = BA_WALK; // just in case
action->target = _lastKnownPosition;
}
int unitsSpottingMe = _game->getSpottingUnits(_unit);
/* psionic targetting: pick from any of the "exposed" units.
exposed means they have been previously spotted, and are therefore "known" to the AI,
regardless of whether we can see them or not, because we're psychic.
*/
if (_unit->getStats()->psiSkill && _unit->getType() != "SOLDIER" && _game->getExposedUnits()->size() > 0 && RNG::generate(0, 100) > 66)
{
int psiAttackStrength = _unit->getStats()->psiSkill * _unit->getStats()->psiStrength / 50;
int chanceToAttack = 0;
int tries = 0;
for (std::vector<BattleUnit*>::const_iterator i = _game->getExposedUnits()->begin(); i != _game->getExposedUnits()->end() && tries < 80; ++i)
{
// don't target tanks
if ((*i)->getArmor()->getSize() != 2)
{
int chanceToAttackMe = psiAttackStrength
+ ((*i)->getStats()->psiSkill * -0.4)
- (_game->getTileEngine()->distance(_unit->getPosition(), (*i)->getPosition()) / 2)
- ((*i)->getStats()->psiStrength)
+ (RNG::generate(0, 50))
+ 55;
if (chanceToAttackMe > chanceToAttack)
{
chanceToAttack = chanceToAttackMe;
_aggroTarget = *i;
}
}
++tries;
}
if (!_aggroTarget)
chanceToAttack = 0;
if (chanceToAttack)
{
if (_unit->getMainHandWeapon() && _unit->getMainHandWeapon()->getAmmoItem())
{
if (_unit->getMainHandWeapon()->getAmmoItem()->getRules()->getPower() >= chanceToAttack)
{
chanceToAttack = 0;
_aggroTarget = 0;
}
}
else
{
if (RNG::generate(35, 155) >= chanceToAttack)
{
chanceToAttack = 0;
_aggroTarget = 0;
}
}
if (chanceToAttack >= 30)
{
int controlOrPanic = 60;
int morale = _aggroTarget->getMorale();
int bravery = _aggroTarget->getStats()->bravery;
if (bravery > 60)
controlOrPanic += 15;
if ( bravery < 40)
controlOrPanic -= 15;
if (morale >= 40)
{
if (morale - 10 * bravery < 50)
controlOrPanic += 15;
}
else
{
controlOrPanic -= 15;
}
if (!morale)
{
controlOrPanic = 0;
}
if (RNG::generate(0, 100) >= controlOrPanic)
{
action->type = BA_MINDCONTROL;
action->target = _aggroTarget->getPosition();
}
else
{
action->type = BA_PANIC;
action->target = _aggroTarget->getPosition();
}
}
else if (chanceToAttack)
{
action->type = BA_PANIC;
action->target = _aggroTarget->getPosition();
}
}
}
/*
* waypoint targetting: pick from any units currently spotted by our allies.
*/
if (_unit->getMainHandWeapon() && _unit->getMainHandWeapon()->getAmmoItem() && _unit->getMainHandWeapon()->getRules()->isWaypoint() && _unit->getType() != "SOLDIER")
{
for (std::vector<BattleUnit*>::const_iterator i = _game->getUnits()->begin(); i != _game->getUnits()->end() && _aggroTarget == 0; ++i)
{
if ((*i)->getFaction() == _unit->getFaction())
{
for (std::vector<BattleUnit*>::const_iterator j = (*i)->getVisibleUnits()->begin(); j != (*i)->getVisibleUnits()->end() && _aggroTarget == 0; ++j)
{
_game->getPathfinding()->calculate(_unit, (*j)->getPosition(), *j);
if (_game->getPathfinding()->getStartDirection() != -1 && explosiveEfficacy((*j)->getPosition(), _unit, (_unit->getMainHandWeapon()->getAmmoItem()->getRules()->getPower()/20)+1, action->diff))
{
_aggroTarget = *j;
}
_game->getPathfinding()->abortPath();
}
}
}
if (_aggroTarget != 0)
{
action->weapon = _unit->getMainHandWeapon();
action->type = BA_LAUNCH;
action->TU = action->actor->getActionTUs(action->type, action->weapon);
action->waypoints.clear();
int PathDirection;
int CollidesWith;
Position LastWayPoint = _unit->getPosition();
Position LastPosition = _unit->getPosition();
Position CurrentPosition = _unit->getPosition();
Position DirectionVector;
_game->getPathfinding()->calculate(_unit, _aggroTarget->getPosition(), _aggroTarget);
PathDirection = _game->getPathfinding()->dequeuePath();
while (PathDirection != -1)
{
LastPosition = CurrentPosition;
_game->getPathfinding()->directionToVector(PathDirection, &DirectionVector);
CurrentPosition = CurrentPosition + DirectionVector;
Position voxelPosA ((CurrentPosition.x * 16)+8, (CurrentPosition.y * 16)+8, (CurrentPosition.z * 24)+12);
Position voxelPosb ((LastWayPoint.x * 16)+8, (LastWayPoint.y * 16)+8, (LastWayPoint.z * 24)+12);
CollidesWith = _game->getTileEngine()->calculateLine(voxelPosA, voxelPosb, false, 0, _unit, true);
if (CollidesWith > -1 && CollidesWith < 4)
{
action->waypoints.push_back(LastPosition);
LastWayPoint = LastPosition;
}
else if (CollidesWith == 4)
{
BattleUnit* target = _game->getTile(CurrentPosition)->getUnit();
if (target == _aggroTarget)
{
action->waypoints.push_back(CurrentPosition);
LastWayPoint = CurrentPosition;
}
}
PathDirection = _game->getPathfinding()->dequeuePath();
}
action->target = action->waypoints.front();
if( action->waypoints.size() > 6 + (action->diff * 2) || LastWayPoint != _aggroTarget->getPosition())
{
action->type = BA_RETHINK;
}
}
}
/*
* Regular targetting: we can see an enemy, or an enemy can see us (in case we need to take cover), or we're charging blindly toward an enemy we're pretty sure is there
*/
if (_unit->getVisibleUnits()->size() > 0 || unitsSpottingMe || charge)
{
for (std::vector<BattleUnit*>::iterator j = _unit->getVisibleUnits()->begin(); j != _unit->getVisibleUnits()->end(); ++j)
{
//pick closest living unit
if (!_aggroTarget || _game->getTileEngine()->distance(_unit->getPosition(), (*j)->getPosition()) < _game->getTileEngine()->distance(_unit->getPosition(), _aggroTarget->getPosition()))
{
if(!(*j)->isOut())
_aggroTarget = (*j);
}
}
// if we currently see no target, we either can move to it's last seen position or lose aggro
if (_aggroTarget == 0 && _lastKnownTarget != 0)
{
_timesNotSeen++;
if (_timesNotSeen > _unit->getIntelligence() || aggression == 0)
{
// we lost aggro - going back to patrol state
charge = 0;
_unit->setCharging(0);
return;
}
// lets go looking where we've last seen him
action->type = BA_WALK;
action->target = _lastKnownPosition;
}
else if (_aggroTarget != 0)
{
// if we see the target, we either can shoot him, or take cover.
bool takeCover = true;
if (!charge)
{
_unit->setCharging(0);
} else
{
_unit->setCharging(_aggroTarget);
}
int number = RNG::generate(0,100);
// extra 5% chance per unit that sees us
number += unitsSpottingMe * 5;
// lost health, chances to take cover get bigger
if (_unit->getHealth() < _unit->getStats()->health)
number += 10;
// aggrotarget has no weapon - chances of take cover get smaller
if (!_aggroTarget->getMainHandWeapon())
number -= 50;
if (aggression == 0 && number < 10)
takeCover = false;
if (aggression == 1 && number < 50)
takeCover = false;
if (aggression == 2 && number < 90)
takeCover = false;
// we're using melee, so CHAAAAAAAARGE!!!!!
if (_unit->getMainHandWeapon() && _unit->getMainHandWeapon()->getRules()->getBattleType() == BT_MELEE)
{
_unit->lookAt(_aggroTarget->getPosition() + Position(_unit->getArmor()->getSize()-1, _unit->getArmor()->getSize()-1, 0), false);
while (_unit->getStatus() == STATUS_TURNING)
_unit->turn();
if (_game->getTileEngine()->validMeleeRange(_unit, _aggroTarget))
{
if (Options::getBool("traceAI")) { Log(LOG_INFO) << "Rawr!"; }
action->target = _aggroTarget->getPosition();
action->weapon = action->actor->getMainHandWeapon();
action->type = BA_HIT;
charge = true;
}
else
{
takeCover = true;
bool targetFound = false;
int distance = 200;
int size = action->actor->getArmor()->getSize(); //-1;
int targetsize = _aggroTarget->getArmor()->getSize(); //-1;
for (int x = 0 - size; x <= targetsize; ++x)
{
for (int y = 0 - size; y <= targetsize; ++y)
{
if (!(x == 0 && y == 0))
{
Position checkPath = _aggroTarget->getPosition() + Position (x, y, 0);
_game->getPathfinding()->calculate(action->actor, checkPath, 0);
int newDistance = _game->getTileEngine()->distance(action->actor->getPosition(), checkPath);
bool valid = _game->getTileEngine()->validMeleeRange(checkPath, -1, action->actor->getArmor()->getSize(), action->actor->getHeight(), _aggroTarget);
if (_game->getPathfinding()->getStartDirection() != -1 && valid &&
newDistance < distance)
{
// CHAAAAAAARGE!
if (Options::getBool("traceAI")) { Log(LOG_INFO) << "CHAAAAAAARGE!"; }
action->target = checkPath;
action->type = BA_WALK;
charge = true;
_unit->setCharging(_aggroTarget);
distance = newDistance;
}
_game->getPathfinding()->abortPath();
}
}
}
}
}
if (action->number >= 3 && !charge)
{
if (_unit->_hidingForTurn)
{
// already tried to get to cover; stay still
action->target = _unit->getPosition();
action->TU = 0;
return;
}
takeCover = true; // always seek cover as last action (unless melee... charge, stupid reapers!)
action->reckless = true;
}
if (!takeCover && !charge)
{
_timesNotSeen = 0;
_lastKnownPosition = _aggroTarget->getPosition();
action->target = _aggroTarget->getPosition();
action->type = BA_NONE;
// lets' evaluate if we could throw a grenade
int tu = 4; // 4TUs for picking up the grenade
// do we have a grenade on our belt?
BattleItem *grenade = _unit->getGrenadeFromBelt();
// distance must be more than X tiles, otherwise it's too dangerous to play with explosives
if (grenade && explosiveEfficacy(_aggroTarget->getPosition(), _unit, (grenade->getRules()->getPower()/10)+1, action->diff))
{
if((_unit->getFaction() == FACTION_NEUTRAL && _aggroTarget->getFaction() == FACTION_HOSTILE) || _unit->getFaction() == FACTION_HOSTILE)
{
action->weapon = grenade;
tu += _unit->getActionTUs(BA_PRIME, grenade);
tu += _unit->getActionTUs(BA_THROW, grenade);
// do we have enough TUs to prime and throw the grenade?
if (tu <= _unit->getStats()->tu)
{
// are we within range?
if (ProjectileFlyBState::validThrowRange(action))
{
grenade->setExplodeTurn(_game->getTurn());
_unit->spendTimeUnits(_unit->getActionTUs(BA_PRIME, grenade));
action->type = BA_THROW;
}
}
}
}
if (action->type == BA_NONE)
{
action->weapon = action->actor->getMainHandWeapon();
// out of ammo or no weapon or ammo at all, we have to take cover
if (!action->weapon)
{
takeCover = true;
}
else
{
if(action->weapon->getAmmoItem() && ((_unit->getFaction() == FACTION_NEUTRAL && _aggroTarget->getFaction() == FACTION_HOSTILE) || _unit->getFaction() == FACTION_HOSTILE))
{
if (action->weapon->getAmmoItem()->getRules()->getDamageType() != DT_HE || explosiveEfficacy(_aggroTarget->getPosition(), _unit, (action->weapon->getAmmoItem()->getRules()->getPower() / 10) +1, action->diff))
{
if (RNG::generate(1,10) < 5 && action->weapon->getAmmoQuantity() > 2)
{
action->type = BA_AUTOSHOT;
}
else
{
action->type = BA_SNAPSHOT;
}
}
tu = action->actor->getActionTUs(action->type, action->weapon);
// enough time units to shoot?
if (tu > _unit->getTimeUnits())
{
takeCover = true;
}
}
else
takeCover = true;
}
}
}
if (takeCover && !charge)
{
// the idea is to check within a 11x11 tile square for a tile which is not seen by our aggroTarget
// if there is no such tile, we run away from the target.
action->type = BA_WALK;
_unit->_hidingForTurn = true;
int tries = 0;
bool coverFound = false;
int x_search_sign = RNG::generate(0, 1) ? 1 : -1; // randomize the direction of the search for lack of a better heuristic
int y_search_sign = RNG::generate(0, 1) ? 1 : -1;
int dx = _unit->getPosition().x - _aggroTarget->getPosition().x; // 2d vector in the direction away from the aggro target
int dy = _unit->getPosition().y - _aggroTarget->getPosition().y;
int dist = _game->getTileEngine()->distance(_unit->getPosition(), _aggroTarget->getPosition());
Vector3i run;
run.x = (dx * 5) / dist;
run.y = (dy * 5) / dist;
run.z = 0;
int bestTileScore = -100000;
int score = -100000;
Position bestTile(0, 0, 0);
++_randomTileSearchAge;
if (action->number > 1) action->desperate = true;
Tile *tile = 0;
bool traceSpammed = false;
// weights of various factors in choosing a tile to which to withdraw
const int EXPOSURE_PENALTY = 20;
const int WINDOW_PENALTY = 30;
const int WALL_BONUS = 1;
const int FIRE_PENALTY = 40;
const int FRIEND_BONUS = 10;
const int SMOKE_PENALTY = 5;
const int OVERREACH_PENALTY = EXPOSURE_PENALTY*3;
const int MELEE_TUNNELVISION_BONUS = 1000;
const int DIRECT_PATH_PENALTY = 10;
const int DIRECT_PATH_TO_TARGET_PENALTY = 30;
const int BASE_SYSTEMATIC_SUCCESS = 100;
const int BASE_DESPERATE_SUCCESS = 110;
const int FAST_PASS_THRESHOLD = 120; // a score that's good engouh to quit the while loop early; it's subjective, hand-tuned and may need tweaking
const int MAX_ALLY_DISTANCE = 25; // distance^2 actually
const int MIN_ALLY_DISTANCE = 4; // don't clump up too much and get grenaded, OK?
const int ALLY_BONUS = 4;
while (tries < 150 && !coverFound)
{
tries++;
action->target = _unit->getPosition() + run; // start looking in a direction away from the enemy
if (!_game->getTile(action->target))
{
action->target = _unit->getPosition(); // cornered at the edge of the map perhaps?
}
if (tries < 121)
{
// looking for cover
action->target.x += _randomTileSearch[tries].x;
action->target.y += _randomTileSearch[tries].y;
if (action->target == _unit->getPosition() && action->number == 1 && unitsSpottingMe > 0)
{
// don't even think about staying in the same spot. Move!
action->target.x += RNG::generate(-20,20);
action->target.y += RNG::generate(-20,20);
}
//score = _game->getTileEngine()->visible(_aggroTarget, _game->getTile(action->target)) ? 0 : 100;
score = BASE_SYSTEMATIC_SUCCESS; // no need for visible here, the TileEngine code will take care of it
}
else
{
if (tries == 121)
{
action->reckless = true;
if (Options::getBool("traceAI"))
{
Log(LOG_INFO) << _unit->getId() << " best score after systematic search was: " << bestTileScore;
}
}
score = BASE_DESPERATE_SUCCESS; // ruuuuuuun
action->target = _unit->getPosition() + run*3;
action->target.x += RNG::generate(-10,10);
action->target.y += RNG::generate(-10,10);
action->target.z = _unit->getPosition().z + RNG::generate(-1,1);
if (action->target.z < 0)
{
action->target.z = 0;
}
else if (action->target.z >= _game->getMapSizeZ())
{
action->target.z = _unit->getPosition().z;
}
}
// THINK, DAMN YOU
tile = _game->getTile(action->target);
if (!tile)
{
score = -100000; // no you can't quit the battlefield by running off the map.
}
else
{
_game->getTileEngine()->surveyXComThreatToTile(tile, action->target, _unit);
if (tile->soldiersVisible == -1) continue; // you can't go there.
if (tile->soldiersVisible && tile->closestSoldierDSqr <= 100 && tile->closestSoldierDSqr > 0)
{
score -= (100/tile->closestSoldierDSqr);
}
if (tile->soldiersVisible && tile->meanSoldierDSqr <= 200 && tile->meanSoldierDSqr > 0)
{
score -= (50/tile->meanSoldierDSqr); // less important than above
}
//if (!tile->_soldiersVisible) { Log(LOG_WARNING) << "No soldiers visible? Really?"; }
if (!tile->soldiersVisible)
{
score += dist*4; // hooray! (4 because it's about 4 TUs to walk a tile?)
} else
{
score -= tile->soldiersVisible * EXPOSURE_PENALTY;
score += (dist > 9) ? 4 : dist;
}
if (_unit->getMainHandWeapon() && _unit->getMainHandWeapon()->getRules()->getBattleType() == BT_MELEE
&& _unit->getUnitRules() && _unit->getHealth() > _unit->getStats()->health/2)
{
// did you say "not charge?" KOMPRESSOR BREAK YOUR GLOWSTICK AND KOMPRESSOR EAT YOUR CANDY
score -= (dist-1) * MELEE_TUNNELVISION_BONUS;
if (score < -90000) score = -90000;
charge = true;
if (Options::getBool("traceAI") && !traceSpammed) { Log(LOG_INFO) << "Trying to get melee unit to do something."; traceSpammed = true; }
}
// strength in numbers but not in "grenade us!" huddles:
if (tile->closestAlienDSqr < MAX_ALLY_DISTANCE && tile->closestAlienDSqr > MIN_ALLY_DISTANCE) score += ALLY_BONUS;
if (tile->closestAlienDSqr <= MIN_ALLY_DISTANCE) score -= ALLY_BONUS;
_game->getPathfinding()->setUnit(_unit); // because we can't just pass this around as a paramater, can we... no, that would be too simple
if (tile->soldiersVisible && _game->getPathfinding()->bresenhamPath(tile->_closestSoldierPos, action->target, 0, false))
{
score -= DIRECT_PATH_TO_TARGET_PENALTY; // not even partial cover?
}
_game->getPathfinding()->abortPath(); // clean up hypothetical path data
if (_game->getPathfinding()->bresenhamPath(_aggroTarget->getPosition(), action->target, 0, false)) score -= DIRECT_PATH_PENALTY; // come on partial cover?
_game->getPathfinding()->abortPath();
if (tile->getFire()) score -= FIRE_PENALTY; // maybe stop, drop, and roll?
if (tile->getSmoke()) score -= SMOKE_PENALTY; // *cough* *cough*
if (tile->getMapData(MapData::O_NORTHWALL) || tile->getMapData(MapData::O_WESTWALL)) score += WALL_BONUS; // hug the walls
if (_game->getTileEngine()->faceWindow(action->target) != -1) score -= WINDOW_PENALTY; // a window is not cover.
}
if (score > bestTileScore)
{
// check if we can reach this tile
_game->getPathfinding()->calculate(_unit, action->target);
if (_game->getPathfinding()->getTotalTUCost() > _unit->getTimeUnits())
{
score -= OVERREACH_PENALTY; // not gonna make it
} else
{
if (tile->soldiersVisible == 0) score += _unit->getTimeUnits() - _game->getPathfinding()->getTotalTUCost(); // conserve TU if possible
}
if (score > bestTileScore && _game->getPathfinding()->getStartDirection() != -1)
{
// yay, we can get there and the overreach penalty didn't kill the score
bestTileScore = score;
bestTile = action->target;
}
_game->getPathfinding()->abortPath();
if (bestTileScore > FAST_PASS_THRESHOLD) coverFound = true; // good enough, gogogo
}
}
if (Options::getBool("traceAI"))
{
Log(LOG_INFO) << _unit->getId() << " Taking cover with score " << bestTileScore << " after " << tries << " tries, at a tile spotted by " << ((tile=_game->getTile(bestTile)) ? tile->soldiersVisible : -666) << ". Action #" << action->number;
//Log(LOG_INFO) << "Walking " << _game->getTileEngine()->distance(_unit->getPosition(), bestTile) << " squares or so.";
}
action->target = bestTile;
if (_aggroTarget != 0)
setAggroTarget(_aggroTarget);
if (score <= -100000)
{
coverFound = false;
action->type = BA_NONE;
action->TU = 0;
return;
}
}
}
if (action->type != BA_RETHINK && action->type != BA_WALK)
action->TU = action->actor->getActionTUs(action->type, action->weapon);
}
if (_aggroTarget != 0)
setAggroTarget(_aggroTarget);
if (charge)
action->desperate = true;
}
/**
* init sequence:
* - check if shot is valid
* - calculate base accuracy
*/
void ProjectileFlyBState::init()
{
if (_initialized) return;
_initialized = true;
BattleItem *weapon = _action.weapon;
_projectileItem = 0;
_autoshotCounter = 0;
if (!weapon) // can't shoot without weapon
return;
if (_action.actor->getTimeUnits() < _action.TU && !_parent->dontSpendTUs())
{
_result = "STR_NOT_ENOUGH_TIME_UNITS";
_parent->popState();
return;
}
_unit = _action.actor;
_ammo = weapon->getAmmoItem();
if (_unit->isOut())
{
// something went wrong
_parent->popState();
return;
}
if (_action.type != BA_THROW)
{
if (_ammo == 0)
{
_result = "STR_NO_AMMUNITION_LOADED";
_parent->popState();
return;
}
if (_ammo->getAmmoQuantity() == 0)
{
_result = "STR_NO_ROUNDS_LEFT";
_parent->popState();
return;
}
}
// action specific initialisation
switch (_action.type)
{
case BA_AUTOSHOT:
_baseAcc = weapon->getRules()->getAccuracyAuto();
break;
case BA_SNAPSHOT:
_baseAcc = weapon->getRules()->getAccuracySnap();
break;
case BA_AIMEDSHOT:
_baseAcc = weapon->getRules()->getAccuracyAimed();
break;
case BA_THROW:
if (!validThrowRange())
{
// out of range
_result = "STR_OUT_OF_RANGE";
_parent->popState();
return;
}
_baseAcc = (int)(_unit->getThrowingAccuracy()*100.0);
_projectileItem = weapon;
break;
default:
_baseAcc = 0;
}
createNewProjectile();
BattleAction action;
BattleUnit *potentialVictim = _parent->getGame()->getSavedGame()->getBattleGame()->getTile(_action.target)->getUnit();
if (potentialVictim && potentialVictim->getFaction() != _unit->getFaction())
{
if (_parent->getGame()->getSavedGame()->getBattleGame()->getTileEngine()->checkReactionFire(_unit, &action, potentialVictim, false))
{
_parent->statePushBack(new ProjectileFlyBState(_parent, action));
}
}
}
/**
* Animates the projectile (move to the next point in it's trajectory).
* If the animation is finished the projectile sprite is removed from the map.
* And this state is finished.
*/
void ProjectileFlyBState::think()
{
if (_parent->getMap()->getProjectile() == 0)
{
if (_action.type == BA_AUTOSHOT && _autoshotCounter < 3 && !_action.actor->isOut())
{
createNewProjectile();
}
else
{
_parent->popState();
}
}
else
{
if(!_parent->getMap()->getProjectile()->move())
{
// impact !
if (_action.type == BA_THROW)
{
Position pos = _parent->getMap()->getProjectile()->getPosition(-1);
pos.x /= 16;
pos.y /= 16;
pos.z /= 24;
BattleItem *item = _parent->getMap()->getProjectile()->getItem();
_parent->getGame()->getResourcePack()->getSoundSet("BATTLE.CAT")->getSound(38)->play();
if (Options::getBool("battleAltGrenade") && item->getRules()->getBattleType() == BT_GRENADE)
{
// it's a hot grenade to explode immediatly
_parent->statePushFront(new ExplosionBState(_parent, _parent->getMap()->getProjectile()->getPosition(-1), item, _action.actor));
}
else
{
_parent->dropItem(pos, item);
}
}
else
{
if (_projectileImpact != 5) // out of map
{
int offset = 0;
// explosions impact not inside the voxel but one step back
if (_ammo && (
_ammo->getRules()->getDamageType() == DT_HE ||
_ammo->getRules()->getDamageType() == DT_IN))
{
offset = -1;
}
_parent->statePushFront(new ExplosionBState(_parent, _parent->getMap()->getProjectile()->getPosition(offset), _ammo, _action.actor));
}
else
{
_unit->aim(false);
_parent->getMap()->cacheUnits();
if (_parent->getMap()->didCameraFollow() && _parent->getGame()->getSavedGame()->getBattleGame()->getSide() == FACTION_PLAYER)
{
_parent->getMap()->centerOnPosition(_parent->getGame()->getSavedGame()->getBattleGame()->getSelectedUnit()->getPosition());
}
}
}
delete _parent->getMap()->getProjectile();
_parent->getMap()->setProjectile(0);
}
}
}
/**
* Initializes the explosion.
* The animation and sound starts here.
* If the animation is finished, the actual effect takes place.
*/
void ExplosionBState::init()
{
BattleType type = BT_NONE;
BattleActionType action = _action.type;
const RuleItem* itemRule = 0;
bool miss = false;
if (_item)
{
itemRule = _item->getRules();
type = itemRule->getBattleType();
_power = 0;
_pistolWhip = (type != BT_MELEE && action == BA_HIT);
if (_pistolWhip)
{
_power += itemRule->getMeleeBonus(_unit);
_radius = 0;
_damageType = itemRule->getMeleeType();
}
else
{
_power += itemRule->getPowerBonus(_unit);
_power -= itemRule->getPowerRangeReduction(_range);
_radius = itemRule->getExplosionRadius(_unit);
_damageType = itemRule->getDamageType();
}
//testing if we hit target
if (type == BT_PSIAMP && !_pistolWhip)
{
if (action != BA_USE)
{
_power = 0;
}
if (!_parent->psiAttack(&_action))
{
_power = 0;
miss = true;
}
}
else if (type == BT_MELEE || _pistolWhip)
{
if (!_parent->getTileEngine()->meleeAttack(&_action))
{
_power = 0;
miss = true;
}
}
else if (type == BT_FIREARM)
{
if (_power <= 0)
{
miss = true;
}
}
_areaOfEffect = type != BT_MELEE && _radius != 0 &&
(type != BT_PSIAMP || action == BA_USE) &&
!_pistolWhip && !miss;
}
else if (_tile)
{
ItemDamageType DT;
switch (_tile->getExplosiveType())
{
case 0:
DT = DT_HE;
break;
case 5:
DT = DT_IN;
break;
case 6:
DT = DT_STUN;
break;
default:
DT = DT_SMOKE;
break;
}
_power = _tile->getExplosive();
_tile->setExplosive(0, 0, true);
_damageType = _parent->getMod()->getDamageType(DT);
_radius = _power /10;
_areaOfEffect = true;
}
else if (_unit && (_unit->getSpecialAbility() == SPECAB_EXPLODEONDEATH || _unit->getSpecialAbility() == SPECAB_BURN_AND_EXPLODE))
{
RuleItem* corpse = _parent->getMod()->getItem(_unit->getArmor()->getCorpseGeoscape());
_power = corpse->getPowerBonus(_unit);
_damageType = corpse->getDamageType();
_radius = corpse->getExplosionRadius(_unit);
_areaOfEffect = true;
if (!RNG::percent(corpse->getSpecialChance()))
{
_power = 0;
}
}
else
{
_power = 120;
_damageType = _parent->getMod()->getDamageType(DT_HE);
_areaOfEffect = true;
}
Tile *t = _parent->getSave()->getTile(_action.target);
if (_areaOfEffect)
{
if (_power > 0)
{
int frame = Mod::EXPLOSION_OFFSET;
if (_item)
{
frame = itemRule->getHitAnimation();
}
if (_parent->getDepth() > 0)
{
frame -= Explosion::EXPLODE_FRAMES;
}
int frameDelay = 0;
int counter = std::max(1, (_power/5) / 5);
_parent->getMap()->setBlastFlash(true);
for (int i = 0; i < _power/5; i++)
{
int X = RNG::generate(-_power/2,_power/2);
int Y = RNG::generate(-_power/2,_power/2);
Position p = _center;
p.x += X; p.y += Y;
Explosion *explosion = new Explosion(p, frame, frameDelay, true);
// add the explosion on the map
_parent->getMap()->getExplosions()->push_back(explosion);
if (i > 0 && i % counter == 0)
{
frameDelay++;
}
}
_parent->setStateInterval(BattlescapeState::DEFAULT_ANIM_SPEED/2);
// explosion sound
int sound = _power <= 80 ? Mod::SMALL_EXPLOSION : Mod::LARGE_EXPLOSION;
if (_item) optValue(sound, itemRule->getExplosionHitSound());
_parent->playSound(sound);
_parent->getMap()->getCamera()->centerOnPosition(t->getPosition(), false);
}
else
{
_parent->popState();
}
}
else
// create a bullet hit
{
_parent->setStateInterval(std::max(1, ((BattlescapeState::DEFAULT_ANIM_SPEED/2) - (10 * itemRule->getExplosionSpeed()))));
_hit = _pistolWhip || type == BT_MELEE;
bool psi = type == BT_PSIAMP && action != BA_USE && !_pistolWhip;
int anim = -1;
int sound = -1;
// melee weapon with ammo
BattleItem *ammo = !_pistolWhip && _hit ? _item->getAmmoItem() : 0;
if (_hit || psi)
{
anim = itemRule->getMeleeAnimation();
if (psi)
{
// psi attack sound is based weapon hit sound
sound = itemRule->getHitSound();
optValue(anim, itemRule->getPsiAnimation());
optValue(sound, itemRule->getPsiSound());
}
else
{
sound = itemRule->getMeleeSound();
if (ammo)
{
optValue(anim, ammo->getRules()->getMeleeAnimation());
optValue(sound, ammo->getRules()->getMeleeSound());
}
}
}
else
{
anim = itemRule->getHitAnimation();
sound = itemRule->getHitSound();
}
if (miss)
{
if (_hit || psi)
{
optValue(anim, itemRule->getMeleeMissAnimation());
if (psi)
{
// psi attack sound is based weapon hit sound
optValue(sound, itemRule->getHitMissSound());
optValue(anim, itemRule->getPsiMissAnimation());
optValue(sound, itemRule->getPsiMissSound());
}
else
{
optValue(sound, itemRule->getMeleeMissSound());
if (ammo)
{
optValue(anim, ammo->getRules()->getMeleeMissAnimation());
optValue(sound, ammo->getRules()->getMeleeMissSound());
}
}
}
else
{
optValue(anim, itemRule->getHitMissAnimation());
optValue(sound, itemRule->getHitMissSound());
}
}
if (anim != -1)
{
Explosion *explosion = new Explosion(_center, anim, 0, false, (_hit || psi)); // Don't burn the tile
_parent->getMap()->getExplosions()->push_back(explosion);
}
_parent->getMap()->getCamera()->setViewLevel(_center.z / 24);
BattleUnit *target = t->getUnit();
if ((_hit || psi) && _parent->getSave()->getSide() == FACTION_HOSTILE && target && target->getFaction() == FACTION_PLAYER)
{
_parent->getMap()->getCamera()->centerOnPosition(t->getPosition(), false);
}
// bullet hit sound
_parent->playSound(sound, _action.target);
}
}
/**
* Calculates the effects of the explosion.
*/
void ExplosionBState::explode()
{
bool terrainExplosion = false;
SavedBattleGame *save = _parent->getSave();
// last minute adjustment: determine if we actually
if (_hit)
{
if (_unit && !_unit->isOut())
{
_unit->aim(false);
}
if (_power <= 0)
{
_parent->popState();
return;
}
int sound = _item->getRules()->getMeleeHitSound();
if (!_pistolWhip)
{
// melee weapon with ammo
BattleItem *ammo = _item->getAmmoItem();
if (ammo)
{
optValue(sound, ammo->getRules()->getMeleeHitSound());
}
}
_parent->playSound(sound, _action.target);
}
// after the animation is done, the real explosion/hit takes place
if (_item)
{
if (!_unit && _item->getPreviousOwner())
{
_unit = _item->getPreviousOwner();
}
}
bool range = !(_hit || (_item && _item->getRules()->getBattleType() == BT_PSIAMP));
if (_areaOfEffect)
{
save->getTileEngine()->explode(_center, _power, _damageType, _radius, _unit, _item, range);
}
else
{
BattleUnit *victim = save->getTileEngine()->hit(_center, _power, _damageType, _unit, _item, range);
// check if this unit turns others into zombies
if (!_item->getRules()->getZombieUnit().empty()
&& RNG::percent(_item->getRules()->getSpecialChance())
&& victim
&& victim->getArmor()->getZombiImmune() == false
&& victim->getSpawnUnit().empty()
&& victim->getOriginalFaction() != FACTION_HOSTILE)
{
// converts the victim to a zombie on death
victim->setRespawn(true);
victim->setSpawnUnit(_item->getRules()->getZombieUnit());
}
}
if (_tile)
{
terrainExplosion = true;
}
if (!_tile && !_item)
{
terrainExplosion = true;
}
// now check for new casualties
_parent->checkForCasualties(_item ? _damageType : 0, _item, _unit, false, terrainExplosion);
// revive units if damage could give hp or reduce stun
_parent->getSave()->reviveUnconsciousUnits(true);
// if this explosion was caused by a unit shooting, now it's the time to put the gun down
if (_unit && !_unit->isOut() && _lowerWeapon)
{
_unit->aim(false);
}
if (_item && (_item->getRules()->getBattleType() == BT_GRENADE || _item->getRules()->getBattleType() == BT_PROXIMITYGRENADE))
{
_parent->getSave()->removeItem(_item);
}
_parent->popState();
// check for terrain explosions
Tile *t = save->getTileEngine()->checkForTerrainExplosions();
if (t)
{
Position p = t->getPosition().toVexel();
p += Position(8,8,0);
_parent->statePushFront(new ExplosionBState(_parent, p, BA_NONE, 0, _unit, t));
}
}