int UnitClass::getTimeToKill(Unit unit)
{
int health = unit->totalHitPoints();
BWAPI::WeaponType weapon = getWeapon(unit);
int weaponDamage = weapon.damageAmount() + (weapon.damageFactor() * getPlayer()->getUpgradeLevel(weapon.upgradeType()));
if(weaponDamage == 0)
return 5000;
int thisNumberOfShots = health / weaponDamage;
if(weapon.damageType() == BWAPI::DamageTypes::Concussive)
{
if(unit->getType().size() == BWAPI::UnitSizeTypes::Large)
thisNumberOfShots *= 4;
else if(unit->getType().size() == BWAPI::UnitSizeTypes::Medium)
thisNumberOfShots += thisNumberOfShots;
}
else if(weapon.damageType() == BWAPI::DamageTypes::Explosive)
{
if(unit->getType().size() == BWAPI::UnitSizeTypes::Small)
thisNumberOfShots += thisNumberOfShots;
else if(unit->getType().size() == BWAPI::UnitSizeTypes::Medium)
thisNumberOfShots += thisNumberOfShots / 2;
}
if((BWAPI::Broodwar->getGroundHeight(getTilePosition()) - BWAPI::Broodwar->getGroundHeight(unit->getTilePosition())) < 0)
thisNumberOfShots += thisNumberOfShots;
return thisNumberOfShots * weapon.damageCooldown();
}
double UnitUtil::CalculateLTD(BWAPI::Unit attacker, BWAPI::Unit target)
{
BWAPI::WeaponType weapon = GetWeapon(attacker, target);
if (weapon == BWAPI::WeaponTypes::None)
{
return 0;
}
return static_cast<double>(weapon.damageAmount()) / weapon.damageCooldown();
}
// returns whether or not this unit can attack a given unit at a given time
const bool Unit::canAttackTarget(const Unit & unit, const TimeType & gameTime) const
{
BWAPI::WeaponType weapon = unit.type().isFlyer() ? type().airWeapon() : type().groundWeapon();
if (weapon.damageAmount() == 0)
{
return false;
}
// range of this unit attacking
PositionType r = range();
// return whether the target unit is in range
return (r * r) >= getDistanceSqToUnit(unit, gameTime);
}
// returns whether or not this unit can attack a given unit at a given time
bool Unit::canAttackTarget(const Unit & unit, const TimeType & gameTime) const
{
BWAPI::WeaponType weapon = unit.type().isFlyer() ? type().airWeapon() : type().groundWeapon();
if (weapon.damageAmount() == 0 || unit.isloaded() )
{
return false;
}
// range of this unit attacking
PositionType r = range();
if(!unit.type().isBuilding())
return (r * r) >= getDistanceSqToUnit(unit, gameTime);
const Position &ours=currentPosition(gameTime);
const Position &his=unit.currentPosition(gameTime);
PositionType lines[]={his.y()-unit.type().dimensionUp(),
his.y()+unit.type().dimensionDown(),
his.x()-unit.type().dimensionLeft(),
his.x()+unit.type().dimensionRight()};
PositionType dists[]={lines[0]-ours.y(),lines[1]-ours.y(),lines[2]-ours.x(),lines[3]-ours.x()};
if(sign(dists[0])==sign(dists[1])){
if(sign(dists[2])==sign(dists[3])){
//diagonal
return (r*r) >=std::min(abs(dists[0]),abs(dists[1]))*
std::min(abs(dists[0]),abs(dists[1]))+
std::min(abs(dists[2]),abs(dists[3]))*
std::min(abs(dists[2]),abs(dists[3]));
}else{
//top or bottom
return r >= std::min(abs(dists[0]),abs(dists[1]));
}
}else if(sign(dists[2])==sign(dists[3])){
//left or right
return r >= std::min(abs(dists[2]),abs(dists[3]));
}else{
std::cerr<<"WARNING: Unit "<<ID()<<" is inside unit "<<unit.ID()<<std::endl;
return true;
}
}