/**
* 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));
}
}
}
}
/**
* Initializes the explosion.
* The animation and sound starts here.
* If the animation is finished, the actual effect takes place.
*/
void ExplosionBState::init()
{
if (_item)
{
_power = _item->getRules()->getPower();
// this usually only applies to melee, but as a concession for modders i'll leave it here in case they wanna make bows or something.
if (_item->getRules()->isStrengthApplied() && _unit)
{
_power += _unit->getBaseStats()->strength;
}
_areaOfEffect = _item->getRules()->getBattleType() != BT_MELEE &&
_item->getRules()->getExplosionRadius() != 0 &&
!_cosmetic;
}
else if (_tile)
{
_power = _tile->getExplosive();
_areaOfEffect = true;
}
else if (_unit && (_unit->getSpecialAbility() == SPECAB_EXPLODEONDEATH || _unit->getSpecialAbility() == SPECAB_BURN_AND_EXPLODE))
{
_power = _parent->getMod()->getItem(_unit->getArmor()->getCorpseGeoscape())->getPower();
_areaOfEffect = true;
}
else
{
_power = 120;
_areaOfEffect = true;
}
Tile *t = _parent->getSave()->getTile(Position(_center.x/16, _center.y/16, _center.z/24));
if (_areaOfEffect)
{
if (_power)
{
int frame = Mod::EXPLOSION_OFFSET;
if (_item)
{
frame = _item->getRules()->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
if (_power <= 80)
_parent->getMod()->getSoundByDepth(_parent->getDepth(), Mod::SMALL_EXPLOSION)->play();
else
_parent->getMod()->getSoundByDepth(_parent->getDepth(), Mod::LARGE_EXPLOSION)->play();
_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 * _item->getRules()->getExplosionSpeed()))));
int anim = _item->getRules()->getHitAnimation();
int sound = _item->getRules()->getHitSound();
if (_cosmetic) // Play melee animation on hitting and psiing
{
anim = _item->getRules()->getMeleeAnimation();
}
if (anim != -1)
{
Explosion *explosion = new Explosion(_center, anim, 0, false, _cosmetic);
_parent->getMap()->getExplosions()->push_back(explosion);
}
_parent->getMap()->getCamera()->setViewLevel(_center.z / 24);
BattleUnit *target = t->getUnit();
if (_cosmetic && _parent->getSave()->getSide() == FACTION_HOSTILE && target && target->getFaction() == FACTION_PLAYER)
{
_parent->getMap()->getCamera()->centerOnPosition(t->getPosition(), false);
}
if (sound != -1 && !_cosmetic)
{
// bullet hit sound
_parent->getMod()->getSoundByDepth(_parent->getDepth(), sound)->play(-1, _parent->getMap()->getSoundAngle(_center / Position(16,16,24)));
}
}
}
/**
* 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);
}
}
}
/**
* applyAccuracy calculates the new target in voxel space, based on the given accuracy modifier.
* @param origin Startposition of the trajectory.
* @param target Endpoint of the trajectory.
* @param accuracy Accuracy modifier.
* @param targetTile Tile of target. Default = 0.
*/
void Projectile::applyAccuracy(const Position& origin, Position *target, double accuracy, bool keepRange, Tile *targetTile)
{
int xdiff = origin.x - target->x;
int ydiff = origin.y - target->y;
double realDistance = sqrt((double)(xdiff*xdiff)+(double)(ydiff*ydiff));
// maxRange is the maximum range a projectile shall ever travel in voxel space
double maxRange = keepRange?realDistance:16*1000; // 1000 tiles
maxRange = _action.type == BA_HIT?46:maxRange; // up to 2 tiles diagonally (as in the case of reaper v reaper)
if (Options::getBool("battleRangeBasedAccuracy"))
{
double baseDeviation, accuracyPenalty;
if (targetTile)
{
BattleUnit* targetUnit = targetTile->getUnit();
if (targetUnit && (targetUnit->getFaction() == FACTION_HOSTILE))
accuracyPenalty = 0.01 * targetTile->getShade(); // Shade can be from 0 to 15
else
accuracyPenalty = 0.0; // Enemy units can see in the dark.
// If unit is kneeled, then chance to hit them reduced on 5%. This is a compromise, because vertical deviation in 2 times less.
if (targetUnit && targetUnit->isKneeled())
accuracyPenalty += 0.05;
}
else
accuracyPenalty = 0.01 * _save->getGlobalShade(); // Shade can be from 0 (day) to 15 (night).
baseDeviation = -0.15 + (_action.type == BA_AUTOSHOT? 0.28 : 0.26) / (accuracy - accuracyPenalty + 0.25);
// 0.02 is the min angle deviation for best accuracy (+-3s = 0.02 radian).
if (baseDeviation < 0.02)
baseDeviation = 0.02;
// the angle deviations are spread using a normal distribution for baseDeviation (+-3s with precision 99,7%)
double dH = RNG::boxMuller(0.0, baseDeviation / 6.0); // horizontal miss in radian
double dV = RNG::boxMuller(0.0, baseDeviation /(6.0 * 2));
double te = atan2(double(target->y - origin.y), double(target->x - origin.x)) + dH;
double fi = atan2(double(target->z - origin.z), realDistance) + dV;
double cos_fi = cos(fi);
// It is a simple task - to hit in target width of 5-7 voxels. Good luck!
target->x = (int)(origin.x + maxRange * cos(te) * cos_fi);
target->y = (int)(origin.y + maxRange * sin(te) * cos_fi);
target->z = (int)(origin.z + maxRange * sin(fi));
return;
}
// maxDeviation is the max angle deviation for accuracy 0% in degrees
double maxDeviation = 2.5;
// minDeviation is the min angle deviation for accuracy 100% in degrees
double minDeviation = 0.4;
double dRot, dTilt;
double rotation, tilt;
double baseDeviation = (maxDeviation - (maxDeviation * accuracy)) + minDeviation;
// the angle deviations are spread using a normal distribution between 0 and baseDeviation
// check if we hit
if (RNG::generate(0.0, 1.0) < accuracy)
{
// we hit, so no deviation
dRot = 0;
dTilt = 0;
}
else
{
dRot = RNG::boxMuller(0, baseDeviation);
dTilt = RNG::boxMuller(0, baseDeviation / 2.0); // tilt deviation is halved
}
rotation = atan2(double(target->y - origin.y), double(target->x - origin.x)) * 180 / M_PI;
tilt = atan2(double(target->z - origin.z),
sqrt(double(target->x - origin.x)*double(target->x - origin.x)+double(target->y - origin.y)*double(target->y - origin.y))) * 180 / M_PI;
// add deviations
rotation += dRot;
tilt += dTilt;
// calculate new target
// this new target can be very far out of the map, but we don't care about that right now
double cos_fi = cos(tilt * M_PI / 180.0);
double sin_fi = sin(tilt * M_PI / 180.0);
double cos_te = cos(rotation * M_PI / 180.0);
double sin_te = sin(rotation * M_PI / 180.0);
target->x = (int)(origin.x + maxRange * cos_te * cos_fi);
target->y = (int)(origin.y + maxRange * sin_te * cos_fi);
target->z = (int)(origin.z + maxRange * sin_fi);
}
/**
* Processes any clicks on the map to
* command units.
* @param action Pointer to an action.
*/
void BattlescapeState::mapClick(Action *action)
{
// right-click aborts walking state
if (action->getDetails()->button.button == SDL_BUTTON_RIGHT)
{
if (_popup)
{
hidePopup();
return;
}
if (_states.empty())
{
if (_targeting)
{
_targeting = false;
_map->setCursorType(CT_NORMAL);
_game->getCursor()->setVisible(true);
_selectedAction = BA_NONE;
return;
}
}
else
{
_states.front()->cancel();
return;
}
}
// don't handle mouseclicks below 140, because they are in the buttons area (it overlaps with map surface)
if (action->getYMouse() / action->getYScale() > BUTTONS_AREA) return;
// don't accept leftclicks if there is no cursor or there is an action busy
if (_map->getCursorType() == CT_NONE || !_states.empty()) return;
Position pos;
_map->getSelectorPosition(&pos);
if (action->getDetails()->button.button == SDL_BUTTON_LEFT)
{
if (_targeting && _battleGame->getSelectedUnit())
{
// -= fire weapon =-
_target = pos;
_map->setCursorType(CT_NONE);
_game->getCursor()->setVisible(false);
statePushBack(new UnitTurnBState(this));
statePushBack(new ProjectileFlyBState(this));
}
else
{
BattleUnit *unit = _battleGame->selectUnit(pos);
if (unit && !unit->isOut())
{
// -= select unit =-
if (unit->getFaction() == _battleGame->getSide())
{
_battleGame->setSelectedUnit(unit);
updateSoldierInfo(unit);
}
}
else if (_battleGame->getSelectedUnit())
{
// -= start walking =-
_target = pos;
_map->setCursorType(CT_NONE);
_game->getCursor()->setVisible(false);
statePushBack(new UnitWalkBState(this));
}
}
}
else if (action->getDetails()->button.button == SDL_BUTTON_RIGHT && _battleGame->getSelectedUnit())
{
// -= turn to or open door =-
_target = pos;
statePushBack(new UnitTurnBState(this));
}
}
/**
* 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));
}
}
}
/**
* 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);
}
}
/**
* Initializes the explosion.
* The animation and sound starts here.
* If the animation is finished, the actual effect takes place.
*/
void ExplosionBState::init()
{
if (_item)
{
_power = _item->getRules()->getPower();
// getCurrentAction() only works for player actions: aliens cannot melee attack with rifle butts.
_pistolWhip = (_item->getRules()->getBattleType() != BT_MELEE &&
_parent->getCurrentAction()->type == BA_HIT);
if (_pistolWhip)
{
_power = _item->getRules()->getMeleePower();
}
// since melee aliens don't use a conventional weapon type, we use their strength instead.
if (_item->getRules()->isStrengthApplied())
{
_power += _unit->getStats()->strength;
}
_areaOfEffect = _item->getRules()->getBattleType() != BT_MELEE &&
_item->getRules()->getExplosionRadius() != 0 &&
!_pistolWhip;
}
else if (_tile)
{
_power = _tile->getExplosive();
_areaOfEffect = true;
}
else if (_unit && _unit->getSpecialAbility() == SPECAB_EXPLODEONDEATH)
{
_power = _parent->getRuleset()->getItem(_unit->getArmor()->getCorpseGeoscape())->getPower();
_areaOfEffect = true;
}
else
{
_power = 120;
_areaOfEffect = true;
}
Tile *t = _parent->getSave()->getTile(Position(_center.x/16, _center.y/16, _center.z/24));
if (_areaOfEffect)
{
if (_power)
{
int frame = ResourcePack::EXPLOSION_OFFSET;
if (_item)
{
frame = _item->getRules()->getHitAnimation();
}
if (_parent->getDepth() > 0)
{
frame -= Explosion::EXPLODE_FRAMES;
}
int frameDelay = 0;
int counter = std::max(1, (_power/5) / 5);
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
if (_power <= 80)
_parent->getResourcePack()->getSoundByDepth(_parent->getDepth(), ResourcePack::SMALL_EXPLOSION)->play();
else
_parent->getResourcePack()->getSoundByDepth(_parent->getDepth(), ResourcePack::LARGE_EXPLOSION)->play();
_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 * _item->getRules()->getExplosionSpeed()))));
_hit = _pistolWhip || _item->getRules()->getBattleType() == BT_MELEE;
bool psi = _item->getRules()->getBattleType() == BT_PSIAMP;
int anim = _item->getRules()->getHitAnimation();
int sound = _item->getRules()->getHitSound();
if (_hit || psi) // Play melee animation on hitting and psiing
{
anim = _item->getRules()->getMeleeAnimation();
}
if (sound != -1)
{
// bullet hit sound
_parent->getResourcePack()->getSoundByDepth(_parent->getDepth(), sound)->play();
}
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);
}
}
}
