Initial Agrarian Unreal project

Source/AgrarianGame/Variant_Combat/Gameplay/CombatCheckpointVolume.cpp

@@ -0,0 +1,47 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+
+#include "CombatCheckpointVolume.h"
+#include "CombatCharacter.h"
+#include "CombatPlayerController.h"
+
+ACombatCheckpointVolume::ACombatCheckpointVolume()
+{
+	// create the box volume
+	RootComponent = Box = CreateDefaultSubobject<UBoxComponent>(TEXT("Box"));
+	check(Box);
+
+	// set the box's extent
+	Box->SetBoxExtent(FVector(500.0f, 500.0f, 500.0f));
+
+	// set the default collision profile to overlap all dynamic
+	Box->SetCollisionProfileName(FName("OverlapAllDynamic"));
+
+	// bind the begin overlap 
+	Box->OnComponentBeginOverlap.AddDynamic(this, &ACombatCheckpointVolume::OnOverlap);
+}
+
+void ACombatCheckpointVolume::OnOverlap(UPrimitiveComponent* OverlappedComponent, AActor* OtherActor, UPrimitiveComponent* OtherComp, int32 OtherBodyIndex, bool bFromSweep, const FHitResult& SweepResult)
+{
+	// ensure we use this only once
+	if (bCheckpointUsed)
+	{
+		return;
+	}
+		
+	// has the player entered this volume?
+	ACombatCharacter* PlayerCharacter = Cast<ACombatCharacter>(OtherActor);
+
+	if (PlayerCharacter)
+	{
+		if (ACombatPlayerController* PC = Cast<ACombatPlayerController>(PlayerCharacter->GetController()))
+		{
+			// raise the checkpoint used flag
+			bCheckpointUsed = true;
+
+			// update the player's respawn checkpoint
+			PC->SetRespawnTransform(PlayerCharacter->GetActorTransform());
+		}
+
+	}
+}