/**
Function called to search for an enemy
- parameter void:
- returns: void
*/
void AEnemyController::SearchForEnemy()
{
APawn* MyEnemy = GetPawn();
if (MyEnemy == NULL)
return;
const FVector MyLoc = MyEnemy->GetActorLocation();
float BestDistSq = MAX_FLT;
ATankCharacter* BestPawn = NULL;
for (FConstPawnIterator It = GetWorld()->GetPawnIterator(); It; It++)
{
ATankCharacter* TestPawn = Cast<ATankCharacter>(*It);
if (TestPawn)
{
const float DistSq = FVector::Dist(TestPawn->GetActorLocation(), MyLoc);
bool canSee = LineOfSightTo(TestPawn);
//choose the closest option to the AI that can be seen
if (DistSq < BestDistSq && canSee)
{
BestDistSq = DistSq;
BestPawn = TestPawn;
}
}
}
if (BestPawn)
{
GEngine->AddOnScreenDebugMessage(0, 1.0f, FColor::Green, BestPawn->GetName());
SetEnemy(BestPawn);
}
}
//A function to determine if the found enemy is within the line-of-sight of the bot
bool ABotController::PawnCanBeSeen(APawn* target)
{
if (target == NULL || GetPawn() == NULL)
{
return false;
}
FVector difference = target->GetActorLocation() - GetPawn()->GetActorLocation();
float angle = FVector::DotProduct(difference, GetPawn()->GetActorRotation().Vector());
//LineOfSightTo determines if the bot can see the actor in the direction it's facing
if (LineOfSightTo(target, GetPawn()->GetActorLocation()) && angle >0)
{
return true;
}
else
{
return false;
}
}
void AFournoidAIController::ShootEnemy(){
AEnemyCharacter* MyBot = Cast<AEnemyCharacter>(GetPawn());
//AShooterWeapon* MyWeapon = MyBot ? MyBot->GetWeapon() : NULL;
bool bCanShoot = false;
AFournoidCharacter* Enemy = GetEnemy();
if ( MyBot->IsAlive() && Enemy && ( Enemy->IsAlive() ))
{
if (LineOfSightTo(Enemy, MyBot->GetActorLocation()))
{
bCanShoot = true;
}
}
if (bCanShoot)
{
MyBot->StartFire();
}
else
{
MyBot->StopFire();
}
}
