Rafal/EndlessVendetta
Rafal/EndlessVendetta
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Implemented a Recursive Function TestLOS() for Vision Link

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Spots Enemies that spotted enemies can see until no more unique enemies are found within the collective vision
This commit is contained in:
Rafal Swierczek 2023-10-03 20:18:12 +01:00
parent c764ce182a
commit 7bb582f636
9 changed files with 90 additions and 23 deletions
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4
EndlessVendetta/Content/Gadgets/ReconGadgets/VisionLink/LOS_Test.uasset
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@ -1,3 +1,3 @@
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EndlessVendetta/Content/Gadgets/ReconGadgets/VisionLink/RG_VisionLink.uasset
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EndlessVendetta/Content/Levels/GadgetSystemTestLevel.umap
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EndlessVendetta/Content/StarterContent/Architecture/Floor_400x400.uasset (Stored with Git LFS)
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EndlessVendetta/Content/StarterContent/HDRI/HDRI_Epic_Courtyard_Daylight.uasset (Stored with Git LFS)
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EndlessVendetta/Source/EndlessVendetta/GadgetSystem/GadgetClasses/Recon/VisionLink/VisionLink.cpp
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@ -3,6 +3,7 @@
#include "VisionLink.h"
#include "Kismet/KismetMathLibrary.h"
#include "Camera/CameraComponent.h"
#include "VisionLinkEnemyLOSTest.h"
#include "GameFramework/Character.h"
@ -42,17 +43,60 @@ void AVisionLink::SendOutPingPulse()
UpdatePulsesRemaining(NumOfPingPulsesLeftInThisCycle);
if (NumOfPingPulsesLeftInThisCycle < 0) return;
FActorSpawnParameters SpawnParams;
SpawnParams.SpawnCollisionHandlingOverride = ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
UCameraComponent* PlayerCamComp = Cast<UCameraComponent>(GetWorld()->GetFirstPlayerController()->GetCharacter()->GetComponentByClass(UCameraComponent::StaticClass()));
//FVector SpawnLoc = PlayerCamComp->GetSocketLocation(NAME_None) + PlayerCamComp->GetForwardVector() * EnemyLOSTestActor->GetDefaultObject()
// FActorSpawnParameters SpawnParams;
// SpawnParams.SpawnCollisionHandlingOverride = ESpawnActorCollisionHandlingMethod::AlwaysSpawn;
//AActor* LOSTestActor = GetWorld()->SpawnActor<AActor>(EnemyLOSTestActor, SpawnLoc, GetActorRotation(), SpawnParams);
//TArray<uint32> EmptyIDArray;
//Cast<AVisionLinkEnemyLOSTest>(LOSTestActor)->TestLOS(EmptyIDArray, this);
// FVector SpawnLoc = PlayerCamComp->GetComponentLocation() + PlayerCamComp->GetForwardVector() * EnemyLOSTestActor->GetDefaultObject<AVisionLinkEnemyLOSTest>()->SpawnOffset;
//
//
// AActor* LOSTestActor = GetWorld()->SpawnActor<AActor>(EnemyLOSTestActor, SpawnLoc, PlayerCamComp->GetComponentRotation(), SpawnParams);
// TArray<uint32> EmptyIDArray;
// Cast<AVisionLinkEnemyLOSTest>(LOSTestActor)->TestLOS(EmptyIDArray, this);
UE_LOG(LogTemp, Warning, TEXT("Ping Pulse!"));
GetWorld()->GetTimerManager().SetTimer(PulseHandle, this, &AVisionLink::SendOutPingPulse, TimeInbetweenPingPulses, false);
PlayPingPulseAnim(TimeInbetweenPingPulses);
UCameraComponent* PlayerCamComp = Cast<UCameraComponent>(GetWorld()->GetFirstPlayerController()->GetCharacter()->GetComponentByClass(UCameraComponent::StaticClass()));
TArray<AActor*> ActorsToIgnore;
ActorsToIgnore.Add(GetWorld()->GetFirstPlayerController()->GetCharacter());
TestLOS(PlayerCamComp->GetComponentTransform(), ActorsToIgnore);
}
void AVisionLink::TestLOS(FTransform StartingPos, TArray<AActor*> &ActorsToIgnore)
{
float H_DegreeIncrement = (float)H_FOV / (float)LT_Horizontal_Density;
float V_DegreeIncrement = (float)V_FOV / (float)LT_Vertical_Density;
float H_StartingRot = StartingPos.GetRotation().Rotator().Yaw - ((float)H_FOV / 2.0);
float V_StartingRot = StartingPos.GetRotation().Rotator().Pitch - ((float)V_FOV / 2.0);
for (int H_Increment = 1; H_Increment <= LT_Horizontal_Density; H_Increment++)
{
for (int V_Increment = 1; V_Increment <= LT_Vertical_Density; V_Increment++)
{
FHitResult outHit;
FCollisionQueryParams QueryParams = FCollisionQueryParams::DefaultQueryParam;
QueryParams.bTraceComplex = true;
QueryParams.AddIgnoredActors(ActorsToIgnore);
FRotator LT_Rot = FRotator(V_StartingRot + (V_Increment * V_DegreeIncrement), H_StartingRot + (H_Increment * H_DegreeIncrement), StartingPos.GetRotation().Rotator().Roll);
FVector LT_EndPoint = StartingPos.GetLocation() + UKismetMathLibrary::GetForwardVector(LT_Rot) * LT_Distance;
if (!GetWorld()->LineTraceSingleByChannel(outHit, StartingPos.GetLocation(), LT_EndPoint, ECC_Camera, QueryParams)) continue;
// Only consider enemies which we haven't seen before
AActor* HitActor = outHit.GetActor();
if (!HitActor->ActorHasTag(FName("Enemy"))) continue; //|| EnemiesInLink.Contains(HitActor->GetUniqueID())) continue;
DrawDebugLine(GetWorld(), outHit.TraceStart, outHit.ImpactPoint, FColor::Blue, false, 3, 0, 3);
ActorsToIgnore.Add(HitActor);
UE_LOG(LogTemp, Warning, TEXT("I've Seen an Enemy called: %s"), *HitActor->GetName());
TestLOS(HitActor->GetTransform(), ActorsToIgnore);
}
}
}

21
EndlessVendetta/Source/EndlessVendetta/GadgetSystem/GadgetClasses/Recon/VisionLink/VisionLink.h
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@ -21,6 +21,8 @@ class ENDLESSVENDETTA_API AVisionLink : public AReconGadget
FTimerHandle PulseHandle;
void TestLOS(FTransform StartingPos, TArray<AActor*> &ActorsToIgnore);
void SendOutPingPulse();
virtual void BeginPlay() override;
@ -34,7 +36,24 @@ protected:
int NumberOfPingPulses = 1;
UPROPERTY(EditDefaultsOnly, Category = "Vision Link")
TSubclassOf<AVisionLinkEnemyLOSTest> EnemyLOSTestActor;
int LT_Horizontal_Density = 80;
UPROPERTY(EditDefaultsOnly, Category = "Vision Link")
int LT_Vertical_Density = 25;
UPROPERTY(EditDefaultsOnly, Category = "Vision Link")
float LT_Distance = 4000;
UPROPERTY(EditDefaultsOnly, Category = "Vision Link")
float H_FOV = 75;
UPROPERTY(EditDefaultsOnly, Category = "Vision Link")
float V_FOV = 25;
// UPROPERTY(EditDefaultsOnly, Category = "Vision Link")
// TSubclassOf<AVisionLinkEnemyLOSTest> EnemyLOSTestActor;
UPROPERTY(BlueprintReadOnly, Category = "Vision Link")
float CooldownLength;

10
EndlessVendetta/Source/EndlessVendetta/GadgetSystem/GadgetClasses/Recon/VisionLink/VisionLinkEnemyLOSTest.cpp
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@ -48,7 +48,11 @@ void AVisionLinkEnemyLOSTest::TestLOS(TArray<uint32> EnemiesInLink, AActor* LOSA
for (int i = 0; i < OverlappingEnemies.Num(); i++)
{
// Overlapping Enemies Array should only contain enemies which aren't already in the link
if (!OverlappingEnemies[i]->ActorHasTag(FName("Enemy")) || EnemiesInLink.Contains(OverlappingEnemies[i]->GetUniqueID())) OverlappingEnemies.RemoveAt(i);
if (!OverlappingEnemies[i]->ActorHasTag(FName("Enemy")) || EnemiesInLink.Contains(OverlappingEnemies[i]->GetUniqueID()))
{
UE_LOG(LogTemp, Warning, TEXT("enemy name: %s"), *OverlappingEnemies[i]->GetName());
OverlappingEnemies.RemoveAt(i);
}
}
if (OverlappingEnemies.IsEmpty())
{
@ -58,12 +62,12 @@ void AVisionLinkEnemyLOSTest::TestLOS(TArray<uint32> EnemiesInLink, AActor* LOSA
for (AActor* Enemy : OverlappingEnemies)
{
if (!IsValid(LOSActor)) UE_LOG(LogTemp, Fatal, TEXT("im an idiot"));
FRotator LookAtRotation = UKismetMathLibrary::FindLookAtRotation(LOSActor->GetActorLocation(), Enemy->GetActorLocation());
UE_LOG(LogTemp, Warning, TEXT("Look at Rotation: %f"), LookAtRotation.Yaw);
UE_LOG(LogTemp, Warning, TEXT("enemy name: %s"), *Enemy->GetName());
}
//Destroy();
Destroy();
}

2
EndlessVendetta/Source/EndlessVendetta/GadgetSystem/GadgetClasses/Recon/VisionLink/VisionLinkEnemyLOSTest.h
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@ -18,7 +18,7 @@ protected:
public:
UPROPERTY(EditDefaultsOnly, Category = "Vision Link")
FVector SpawnOffset = FVector(0, 0, 0 );
float SpawnOffset = 0;
// Sets default values for this actor's properties
AVisionLinkEnemyLOSTest();