Initial Agrarian Unreal project

2026-05-11 00:26:02 -07:00
commit 15f5cfc0f8
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+// Copyright Epic Games, Inc. All Rights Reserved.
+
+
+#include "SideScrollingPickup.h"
+#include "GameFramework/Character.h"
+#include "SideScrollingGameMode.h"
+#include "Components/SphereComponent.h"
+#include "Components/SceneComponent.h"
+#include "Engine/World.h"
+
+ASideScrollingPickup::ASideScrollingPickup()
+{
+	PrimaryActorTick.bCanEverTick = false;
+
+	// create the root comp
+	RootComponent = CreateDefaultSubobject<USceneComponent>(TEXT("Root"));
+
+	// create the bounding sphere
+	Sphere = CreateDefaultSubobject<USphereComponent>(TEXT("Collision"));
+	Sphere->SetupAttachment(RootComponent);
+
+	Sphere->SetSphereRadius(100.0f);
+
+	Sphere->SetCollisionObjectType(ECC_WorldDynamic);
+	Sphere->SetCollisionEnabled(ECollisionEnabled::QueryOnly);
+	Sphere->SetCollisionResponseToAllChannels(ECR_Ignore);
+	Sphere->SetCollisionResponseToChannel(ECC_Pawn, ECR_Overlap);
+
+	// add the overlap handler
+	OnActorBeginOverlap.AddDynamic(this, &ASideScrollingPickup::BeginOverlap);
+}
+
+void ASideScrollingPickup::BeginOverlap(AActor* OverlappedActor, AActor* OtherActor)
+{
+	// have we collided against a character?
+	if (ACharacter* OverlappedCharacter = Cast<ACharacter>(OtherActor))
+	{
+		// is this the player character?
+		if (OverlappedCharacter->IsPlayerControlled())
+		{
+			// get the game mode
+			if (ASideScrollingGameMode* GM = Cast<ASideScrollingGameMode>(GetWorld()->GetAuthGameMode()))
+			{
+				// tell the game mode to process a pickup
+				GM->ProcessPickup();
+
+				// disable collision so we don't get picked up again
+				SetActorEnableCollision(false);
+
+				// Call the BP handler. It will be responsible for destroying the pickup
+				BP_OnPickedUp();
+			}
+		}
+	}
+}