AI::AI(QObject *parent, BattleField *field)
: QObject(parent), _field(field)
{
reset();
connect(_field, &BattleField::numberOfShipsChanged, [&](){
if(shipActive())
{
setShipActive(false);
_shipSunken = true;
_currentHitsOnShip = 0;
_shipFirstHit = -1;
setLastDirection(randomDirection());
}
});
}
void AI::setLastHit(bool lastHit)
{
_lastHit = lastHit;
if(_lastHit)
{
Settings::Difficulty diff = Settings::instance()->difficulty();
if(!_shipSunken && (diff == Settings::Better))
{
if((_currentHitsOnShip == 0) && (_shipFirstHit < 0))
_shipFirstHit = _alreadyTried.last();
_currentHitsOnShip++;
setShipActive(true);
}
qDebug() << "Got a hit...";
}
}
//Timer interrupt for the game.
void timer_interrupt_handler()
{
if(!paused)
{
secondTimer++;
alienMarchTimer++;
bulletMoveTimer++;
controllerTimer++;
if(getShipAlive())
shipMoveTimer++;
}
tankMoveTimer++;
//Poll the buttons
if(tankMoveTimer >= TANK_SPEED)
{
handleButton(currentButtonState);
handleSwitches(currentSwitchesState);
}
if(controllerTimer >= POLL_CONTROLLER_TIMER)
{
controllerTimer = 0;
//readController();
}
//Advance the aliens and fire bullets
if(alienMarchTimer >= ALIEN_MARCH_SPEED)
{
alienMarch();
if(rand() % BULLET_CHANCE == 0)
{
fireAlienBullet();
}
alienMarchTimer = 0;
}
//Advance the bullets
if(bulletMoveTimer >= BULLET_SPEED)
{
bulletMove();
bulletMoveTimer = 0;
}
//Move the saucer if it is active
if(getShipActive()&&!getPaused())
{
setSound(ufolowpitch_getSound(),ufolowpitch_getNumFrames(), SAUCER_PRIORITY);
if(shipMoveTimer >= SHIP_MOVE_MAX_TIMER)
{
shipMoveTimer = 0;
marchShip();
}
}
//If the saucer is killed flash the score animation
if(getMothershipKilled() && saucerFlash == 0)
{
saucerFlash = 1;
}
//If the saucer is killed flash the score animation
if(saucerFlash > 0)
{
//Paint score
if(secondTimer == HALF_SECOND)
{
setSound(ufohighpitch_getSound(),ufohighpitch_getNumFrames(), SAUCER_DEATH_PRIORITY);
paintShipScore(1);
saucerFlash++;
}
//paint black
if(secondTimer == SECOND_TIMER_MAX)
{
paintShipScore(0);
saucerFlash++;
}
if(saucerFlash >= 7)
{
paintShipScore(0);
saucerFlash = 0;
setMothershipKilled(0);
if(getShipDirection())
{
setShipPos(-SHIP_WIDTH);
setShipDirection(1);
}
else
{
setShipPos(SCREEN_WIDTH + SHIP_WIDTH);
setShipDirection(0);
}
}
}
//Spawn the saucer every X seconds
if(saucerTime == 10 && !paused)
{
saucerTime = 0;
if(!getShipActive() && saucerFlash == 0)
{
setShipActive(1);
setShipAlive(1);
setMothershipKilled(0);
}
}
//Tic the clock one second
if(secondTimer >= SECOND_TIMER_MAX)
{
secondTimer = 0;
gameRunTime++;
saucerTime++;
}
}
