Entity* WorldManager::DoSelectionTest( const Vector2f& pSelectionPoint )
{
Int32 viewport[4];
Renderer* renderer = GraphicSubsystem::Instance()->GetRenderer();
renderer->GetViewport(viewport);
Vector3f screenRay( pSelectionPoint.x, viewport[3] - pSelectionPoint.y - 1, 0 );
Vector3f worldRay = renderer->ScreenToWorld( screenRay );
// Get the vector from the mouse positions.
Vector3f testOrigin = worldRay;
Vector3f testDir = worldRay - GetCurrentCamera()->GetPosition();
testDir.Normalize();
return LineTrace( testOrigin, testDir );
}
bool ATankPlayerController::GetSightRayHitLocation(FVector& HitLocation) const
{
FVector2D CrosshairLocation;
GetCrosshairScreenLocation(CrosshairLocation);
FVector WorldLocation;
FVector WorldDirection;
if (DeprojectScreenPositionToWorld(CrosshairLocation.X, CrosshairLocation.Y, WorldLocation, WorldDirection)) {
//UE_LOG(LogTemp, Warning, TEXT("World location: %s World direction: %s"), *WorldLocation.ToString(), *WorldDirection.ToString());
}
TArray<FHitResult> HitResults = TArray<FHitResult>();
if (LineTrace(WorldLocation, WorldDirection, HitResults)) {
bool aimingThroughPlayer = false;
for (int i = 0; i < HitResults.Num(); i++) {
FHitResult HitResult = HitResults[i];
if (HitResult.IsValidBlockingHit()) {
if (HitResult.GetActor() != GetControlledTank()) {
if (aimingThroughPlayer)
{
UE_LOG(LogTemp, Warning, TEXT("Aiming through player tank actor, next hit is: %s"), *HitResult.ImpactPoint.ToString());
}
HitLocation = HitResult.ImpactPoint;
return true;
}else
{
aimingThroughPlayer = true;
UE_LOG(LogTemp, Warning, TEXT("%i hits, aiming through player tank actor: %s"),HitResults.Num(), *HitResult.ImpactPoint.ToString());
}
}
else
{
HitLocation = FVector(0);
return false;
}
}
}
return false;
}
