bool ASGameMode::IsSpawnpointPreferred(APlayerStart* SpawnPoint, AController* Controller)
{
if (SpawnPoint)
{
/* Iterate all pawns to check for collision overlaps with the spawn point */
const FVector SpawnLocation = SpawnPoint->GetActorLocation();
for (FConstPawnIterator It = GetWorld()->GetPawnIterator(); It; It++)
{
ACharacter* OtherPawn = Cast<ACharacter>(*It);
if (OtherPawn)
{
const float CombinedHeight = (SpawnPoint->GetCapsuleComponent()->GetScaledCapsuleHalfHeight() + OtherPawn->GetCapsuleComponent()->GetScaledCapsuleHalfHeight()) * 2.0f;
const float CombinedWidth = SpawnPoint->GetCapsuleComponent()->GetScaledCapsuleRadius() + OtherPawn->GetCapsuleComponent()->GetScaledCapsuleRadius();
const FVector OtherLocation = OtherPawn->GetActorLocation();
// Check if player overlaps the playerstart
if (FMath::Abs(SpawnLocation.Z - OtherLocation.Z) < CombinedHeight && (SpawnLocation - OtherLocation).Size2D() < CombinedWidth)
{
return false;
}
}
}
/* Check if spawnpoint is exclusive to players */
ASPlayerStart* MyPlayerStart = Cast<ASPlayerStart>(SpawnPoint);
if (MyPlayerStart)
{
return MyPlayerStart->GetIsPlayerOnly() && !Controller->PlayerState->bIsABot;
}
}
return false;
}
EBTNodeResult::Type UPBTask_Chase::ExecuteTask(UBehaviorTreeComponent* OwnerComp, uint8* NodeMemory)
{
ACharacter * PlayerCharacter = UGameplayStatics::GetPlayerCharacter(GetWorld(), 0);
AAIController * Controller = Cast<AAIController>(OwnerComp->GetOwner());
Controller->MoveToLocation(PlayerCharacter->GetActorLocation(), 0.2f, true, true, false);
return EBTNodeResult::Succeeded;
}
void AShooterPlayerController::OnDeathMessage(class AShooterPlayerState* KillerPlayerState, class AShooterPlayerState* KilledPlayerState, const UDamageType* KillerDamageType)
{
AShooterHUD* ShooterHUD = GetShooterHUD();
if (ShooterHUD)
{
ShooterHUD->ShowDeathMessage(KillerPlayerState, KilledPlayerState, KillerDamageType);
}
ULocalPlayer* LocalPlayer = Cast<ULocalPlayer>(Player);
if (LocalPlayer && LocalPlayer->GetUniqueNetId().IsValid() && KilledPlayerState->UniqueId.IsValid())
{
// if this controller is the player who died, update the hero stat.
if (*LocalPlayer->GetUniqueNetId() == *KilledPlayerState->UniqueId)
{
const auto Events = Online::GetEventsInterface();
const auto Identity = Online::GetIdentityInterface();
if (Events.IsValid() && Identity.IsValid())
{
int32 UserIndex = LocalPlayer->ControllerId;
TSharedPtr<FUniqueNetId> UniqueID = Identity->GetUniquePlayerId(UserIndex);
if (UniqueID.IsValid())
{
ACharacter* Pawn = GetCharacter();
check(Pawn);
FVector Location = Pawn->GetActorLocation();
FOnlineEventParms Params;
Params.Add( TEXT( "SectionId" ), FVariantData( (int32)1 ) );
Params.Add( TEXT( "GameplayModeId" ), FVariantData( (int32)1 ) );
Params.Add( TEXT( "DifficultyLevelId" ), FVariantData( (int32)0 ) );
Params.Add( TEXT( "PlayerRoleId" ), FVariantData( (int32)0 ) );
Params.Add( TEXT( "PlayerWeaponId" ), FVariantData( (int32)0 ) );
Params.Add( TEXT( "EnemyRoleId" ), FVariantData( (int32)0 ) );
Params.Add( TEXT( "EnemyWeaponId" ), FVariantData( (int32)0 ) );
Params.Add( TEXT( "LocationX" ), FVariantData( Location.X ) );
Params.Add( TEXT( "LocationY" ), FVariantData( Location.Y ) );
Params.Add( TEXT( "LocationZ" ), FVariantData( Location.Z ) );
Events->TriggerEvent(*UniqueID, TEXT("PlayerDeath"), Params);
}
}
}
}
}
void UCheatManager::ChangeSize( float F )
{
APawn* Pawn = GetOuterAPlayerController()->GetPawn();
// Note: only works on characters
ACharacter *Character = Cast<ACharacter>(Pawn);
if (Character)
{
ACharacter* DefaultCharacter = Character->GetClass()->GetDefaultObject<ACharacter>();
Character->GetCapsuleComponent()->SetCapsuleSize(DefaultCharacter->GetCapsuleComponent()->GetUnscaledCapsuleRadius() * F, DefaultCharacter->GetCapsuleComponent()->GetUnscaledCapsuleHalfHeight() * F);
if (Character->GetMesh())
{
Character->GetMesh()->SetRelativeScale3D(FVector(F));
}
Character->TeleportTo(Character->GetActorLocation(), Character->GetActorRotation());
}
}
void AShooterPlayerController::OnKill()
{
UpdateAchievementProgress(ACH_FRAG_SOMEONE, 100.0f);
const auto Events = Online::GetEventsInterface();
const auto Identity = Online::GetIdentityInterface();
if (Events.IsValid() && Identity.IsValid())
{
ULocalPlayer* LocalPlayer = Cast<ULocalPlayer>(Player);
if (LocalPlayer)
{
int32 UserIndex = LocalPlayer->ControllerId;
TSharedPtr<FUniqueNetId> UniqueID = Identity->GetUniquePlayerId(UserIndex);
if (UniqueID.IsValid())
{
ACharacter* Pawn = GetCharacter();
// If player is dead, use location stored during pawn cleanup.
FVector Location = LastDeathLocation;
if (Pawn)
{
Pawn->GetActorLocation();
}
FOnlineEventParms Params;
Params.Add( TEXT( "SectionId" ), FVariantData( (int32)1 ) );
Params.Add( TEXT( "GameplayModeId" ), FVariantData( (int32)1 ) );
Params.Add( TEXT( "DifficultyLevelId" ), FVariantData( (int32)0 ) );
Params.Add( TEXT( "PlayerRoleId" ), FVariantData( (int32)0 ) );
Params.Add( TEXT( "PlayerWeaponId" ), FVariantData( (int32)0 ) );
Params.Add( TEXT( "EnemyRoleId" ), FVariantData( (int32)0 ) );
Params.Add( TEXT( "KillTypeId" ), FVariantData( (int32)0 ) );
Params.Add( TEXT( "LocationX" ), FVariantData( Location.X ) );
Params.Add( TEXT( "LocationY" ), FVariantData( Location.Y ) );
Params.Add( TEXT( "LocationZ" ), FVariantData( Location.Z ) );
Params.Add( TEXT( "EnemyWeaponId" ), FVariantData( (int32)0 ) );
Events->TriggerEvent(*UniqueID, TEXT("KillOponent"), Params);
}
}
}
}
bool ALabyrinthGameMode::IsSpawnpointPreferred(APlayerStart* SpawnPoint, AController* Player) const
{
ACharacter* MyPawn = Cast<ACharacter>((*DefaultPawnClass)->GetDefaultObject<ACharacter>());
// TO-DO: Add AI Controller
//ALAIController* AIController = Cast<ALAIController>(Player);
/*if (AIController != nullptr)
{
MyPawn = Cast<ACharacter>(BotPawnClass->GetDefaultObject<ACharacter>());
}*/
if (MyPawn)
{
const FVector SpawnLocation = SpawnPoint->GetActorLocation();
for (FConstPawnIterator It = GetWorld()->GetPawnIterator(); It; It++)
{
ACharacter* OtherPawn = Cast<ACharacter>(*It);
if (OtherPawn && OtherPawn != MyPawn)
{
const float CombinedHeight = (MyPawn->GetCapsuleComponent()->GetScaledCapsuleHalfHeight() + OtherPawn->GetCapsuleComponent()->GetScaledCapsuleHalfHeight()) * 2.0f;
const float CombinedRadius = (MyPawn->GetCapsuleComponent()->GetScaledCapsuleRadius() + OtherPawn->GetCapsuleComponent()->GetScaledCapsuleRadius());
const FVector OtherLocation = OtherPawn->GetActorLocation();
// Check if the player start overlaps this pawn
if (FMath::Abs(SpawnLocation.Z - OtherLocation.Z) < CombinedHeight && (SpawnLocation - OtherLocation).Size2D() < CombinedRadius)
{
return false;
}
}
}
}
else
{
return false;
}
return true;
}
void UHUDBlueprintLibrary::FindScreenLocationForWorldLocation(UObject* WorldContextObject, const FVector& InLocation, const float EdgePercent, FVector2D& OutScreenPosition, float& OutRotationAngleDegrees, bool &bIsOnScreen)
{
bIsOnScreen = false;
OutRotationAngleDegrees = 0.f;
FVector2D *ScreenPosition = new FVector2D();
UWorld* World = GEngine->GetWorldFromContextObject(WorldContextObject);
if (!World->IsValidLowLevel()) return;
if (GEngine->GameViewport == NULL) return;
if (GEngine->GameViewport->Viewport == NULL) return;
const FVector2D ViewportSize = FVector2D(GEngine->GameViewport->Viewport->GetSizeXY());
const FVector2D ViewportCenter = FVector2D(ViewportSize.X/2, ViewportSize.Y/2);
APlayerController* PlayerController = (WorldContextObject ? UGameplayStatics::GetPlayerController(WorldContextObject, 0) : NULL);
ACharacter *PlayerCharacter = static_cast<ACharacter *> (PlayerController->GetPawn());
if (!PlayerCharacter) return;
FVector Forward = PlayerCharacter->GetActorForwardVector();
FVector Offset = (InLocation - PlayerCharacter->GetActorLocation()).GetSafeNormal();
float DotProduct = FVector::DotProduct(Forward, Offset);
bool bLocationIsBehindCamera = (DotProduct < 0);
if (bLocationIsBehindCamera)
{
// For behind the camera situation, we cheat a little to put the
// marker at the bottom of the screen so that it moves smoothly
// as you turn around. Could stand some refinement, but results
// are decent enough for most purposes.
FVector DiffVector = InLocation - PlayerCharacter->GetActorLocation();
FVector Inverted = DiffVector * -1.f;
FVector NewInLocation = PlayerCharacter->GetActorLocation() * Inverted;
NewInLocation.Z -= 5000;
PlayerController->ProjectWorldLocationToScreen(NewInLocation, *ScreenPosition);
ScreenPosition->Y = (EdgePercent * ViewportCenter.X) * 2.f;
ScreenPosition->X = -ViewportCenter.X - ScreenPosition->X;
}
PlayerController->ProjectWorldLocationToScreen(InLocation, *ScreenPosition);
// Check to see if it's on screen. If it is, ProjectWorldLocationToScreen is all we need, return it.
if (ScreenPosition->X >= 0.f && ScreenPosition->X <= ViewportSize.X
&& ScreenPosition->Y >= 0.f && ScreenPosition->Y <= ViewportSize.Y)
{
OutScreenPosition = *ScreenPosition;
bIsOnScreen = true;
return;
}
*ScreenPosition -= ViewportCenter;
float AngleRadians = FMath::Atan2(ScreenPosition->Y, ScreenPosition->X);
AngleRadians -= FMath::DegreesToRadians(90.f);
OutRotationAngleDegrees = FMath::RadiansToDegrees(AngleRadians) + 180.f;
float Cos = cosf(AngleRadians);
float Sin = -sinf(AngleRadians);
ScreenPosition = new FVector2D(ViewportCenter.X + (Sin * 150.f), ViewportCenter.Y + Cos * 150.f);
float m = Cos / Sin;
FVector2D ScreenBounds = ViewportCenter * EdgePercent;
if (Cos > 0)
{
ScreenPosition = new FVector2D(ScreenBounds.Y/m, ScreenBounds.Y);
}
else
{
ScreenPosition = new FVector2D(-ScreenBounds.Y/m, -ScreenBounds.Y);
}
if (ScreenPosition->X > ScreenBounds.X)
{
ScreenPosition = new FVector2D(ScreenBounds.X, ScreenBounds.X*m);
}
else if (ScreenPosition->X < -ScreenBounds.X)
{
ScreenPosition = new FVector2D(-ScreenBounds.X, -ScreenBounds.X*m);
}
*ScreenPosition += ViewportCenter;
OutScreenPosition = *ScreenPosition;
}
void ABaseController::SearchForTarget()
{
if (GetPawn() == NULL || StopSearching)
{
return;
}
bool canSeePlayer = false;
FHitResult hit(ForceInit);
FCollisionQueryParams traceParams = FCollisionQueryParams(FName(TEXT("RV_Trace")), true, Self);
traceParams.bTraceComplex = true;
traceParams.bTraceAsyncScene = true;
FVector EnemyLocation = Self->GetActorLocation();
for (FConstPawnIterator i = World->GetPawnIterator(); i; ++i)
{
ACharacter* poesibleTarget = Cast<ACharacter>(*i);
if (poesibleTarget != Cast<ACharacter>(Self) && poesibleTarget != NULL)
{
FVector possibleTargetLocation = poesibleTarget->GetActorLocation();
bool bHit = World->LineTraceSingleByChannel(hit, Self->EyeLocation, possibleTargetLocation, ECC_Visibility, traceParams);
bool bPersistent = true;
float LifeTime = 5.f;
// @fixme, draw line with thickneES = 2.f?
if (bHit && hit.bBlockingHit)
{
// Red up to the blocking hit, green thereafter
//DrawDebugLine(World, Self->EyeLocation, hit.ImpactPoint, FColor::Red, bPersistent, LifeTime);
//DrawDebugLine(World, hit.ImpactPoint, possibleTargetLocation, FColor::Green, bPersistent, LifeTime);
//DrawDebugPoint(World, hit.ImpactPoint, 16.f, FColor::Red, bPersistent, LifeTime);
}
else
{
// no hit means all red
//DrawDebugLine(World, Self->EyeLocation, possibleTargetLocation, FLinearColor::Red, bPersistent, LifeTime);
}
if (hit.GetActor() && hit.GetActor()->GetName() == poesibleTarget->GetName() && hit.bBlockingHit)
{
if (Self->EState != EnemyState::ES_Searching)
TargetsLastKnownPosition = hit.GetActor()->GetActorLocation();
BBComp->SetValue<UBlackboardKeyType_Vector>(TargetsLastKnownPositionID, TargetsLastKnownPosition);
float distanceFromPoESibleTarget = FVector::Dist(EnemyLocation, possibleTargetLocation);
if (distanceFromPoESibleTarget <= Self->SightRange && distanceFromPoESibleTarget > Self->AttackRange && Self->AttackCompleted)
{
SetTarget(poesibleTarget, distanceFromPoESibleTarget);
ResetFocusActor();
SetState(EnemyState::ES_Chasing, "Chasing");
BBComp->SetValue<UBlackboardKeyType_Bool>(MovedToLastKnownPositionID, false);
}
else if (distanceFromPoESibleTarget <= Self->AttackRange && Self->AttackCompleted)
{
Self->AttackStarted = true;
Self->AttackCompleted = false;
SetTarget(poesibleTarget, distanceFromPoESibleTarget);
SetFocusActor(Cast<AActor>(Target));
AttackLocation = poesibleTarget->GetActorLocation();
SetState(EnemyState::ES_Attacking, "Attacking");
BBComp->SetValue<UBlackboardKeyType_Bool>(MovedToLastKnownPositionID, false);
}
else if (Self->AttackCompleted)
{
ResetFocusActor();
SetState(EnemyState::ES_Searching, "Searching");
SearchForTargetAtLastKnownPosition();
}
}
else if (hit.GetActor() && hit.GetActor()->GetName() != poesibleTarget->GetName() && hit.bBlockingHit)
{
if (Self->EState != EnemyState::ES_Searching)
SearchForTargetAtLastKnownPosition();
Self->AttackStarted = false;
Self->AttackCompleted = true;
ResetFocusActor();
SetState(EnemyState::ES_Searching, "Searching");
}
}
}
}
