Started working on a new weapon system

Source/LegumeMix/Private/Player/LMBulletInfo.h

@@ -0,0 +1,33 @@
+#pragma once
+#include "Weapon/LMAmmoType.h"
+#include "LMBulletInfo.generated.h"
+
+USTRUCT(BlueprintType)
+struct FLMBulletInfo
+{
+	GENERATED_BODY()
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	int BulletCount;
+	
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	FVector Origin;
+	
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	FVector Direction;
+	
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	FVector Spread;
+	
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	float MaxDistance;
+	
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	FFloatCurve Falloff;
+	
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	EAmmoType AmmoType;
+	
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	float Damage;
+};

Source/LegumeMix/Private/Player/LMPlayer.cpp

@@ -3,6 +3,8 @@
 
 #include "Player/LMPlayer.h"
 
+#include "KismetTraceUtils.h"
+#include "LMBulletInfo.h"
 #include "Camera/CameraComponent.h"
 #include "Weapon/LMAmmo.h"
 #include "Weapon/LMWeaponManager.h"
@@ -51,6 +53,16 @@ void ALMPlayer::SetWeaponManager(ULMWeaponManager* Manager)
 	WeaponManager->Initialize(ArmsMesh);
 }
 
+void ALMPlayer::PlayAnimation(UAnimMontage* Animation)
+{
+}
+
+void ALMPlayer::FireBullets(const FLMBulletInfo Settings)
+{
+	FVector EndLocation = Settings.Origin + (Settings.Direction * Settings.MaxDistance);
+	TArray<FHitResult> Hits;
+	DrawDebugLineTraceMulti(GetWorld(), Settings.Origin, EndLocation, EDrawDebugTrace::ForDuration, true, Hits, FColor::Green, FColor::Red, 10.f);
+}
 
 void ALMPlayer::Tick(float DeltaTime)
 {

Source/LegumeMix/Private/Weapon/LMShotgun.cpp

@@ -0,0 +1,39 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "Weapon/LMShotgun.h"
+
+#include "Player/LMBulletInfo.h"
+#include "Player/LMPlayer.h"
+
+
+ALMShotgun::ALMShotgun()
+{
+	PrimaryActorTick.bCanEverTick = true;
+}
+
+
+void ALMShotgun::PrimaryFire()
+{
+	ALMPlayer* Player = Cast<ALMPlayer>(GetOuter());
+	if (!Player)
+		return;
+
+	PlaySound(Data.FireSound);
+	PlayAnimation(PrimaryFireAnimation);
+
+	FVector Origin = Player->GetWeaponFiringOrigin();
+	FVector Direction = Player->GetAimVector();
+
+	ClipAmmo--;
+	
+	FLMBulletInfo ShotInfo = FLMBulletInfo(PelletCount, Origin, Direction, WeaponSpread, MaxDistance, DamageFalloff, AmmoType, Damage);
+
+	Player->FireBullets(ShotInfo);
+}
+
+void ALMShotgun::Tick(float DeltaTime)
+{
+	Super::Tick(DeltaTime);
+}
+

Source/LegumeMix/Private/Weapon/LMWeaponBase.cpp

@@ -0,0 +1,56 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+
+#include "Weapon/LMWeaponBase.h"
+
+#include "Components/AudioComponent.h"
+
+
+ALMWeaponBase::ALMWeaponBase()
+{
+	PrimaryActorTick.bCanEverTick = true;
+
+	RootComponent = CreateDefaultSubobject<USceneComponent>(TEXT("Root"));
+
+	AudioComponent = CreateDefaultSubobject<UAudioComponent>(TEXT("Audio"));
+	AudioComponent->SetupAttachment(RootComponent);
+
+	WeaponMesh = CreateDefaultSubobject<USkeletalMeshComponent>(TEXT("Mesh"));
+	WeaponMesh->SetupAttachment(RootComponent);
+
+	WeaponSocket = FName();
+}
+
+void ALMWeaponBase::BeginPlay()
+{
+	Super::BeginPlay();
+	
+}
+
+void ALMWeaponBase::Reload()
+{
+}
+
+void ALMWeaponBase::PrimaryFire()
+{
+}
+
+void ALMWeaponBase::PlaySound(USoundWave* Sound, const bool Replacing)
+{
+	if (AudioComponent->IsPlaying() && !Replacing)
+		return;
+
+	AudioComponent->Stop();
+	AudioComponent->SetSound(Sound);
+	AudioComponent->Play();
+}
+
+void ALMWeaponBase::PlayAnimation(UAnimMontage* Animation)
+{
+	UAnimInstance* AnimInstance = WeaponMesh->GetAnimInstance();
+	
+	if (Animation && AnimInstance)
+	{
+		AnimInstance->Montage_Play(Animation);
+	}
+}

Source/LegumeMix/Private/Weapon/LMWeaponManager.cpp

@@ -3,7 +3,7 @@
 
 #include "Weapon/LMWeaponManager.h"
 
-#include "Weapon/LMWeapon.h"
+#include "Weapon/LMWeaponBase.h"
 
 
 ULMWeaponManager::ULMWeaponManager()
@@ -18,17 +18,25 @@ void ULMWeaponManager::BeginPlay()
 
 void ULMWeaponManager::Initialize(USkeletalMeshComponent* Mesh)
 {
-	SetWeaponMeshComponent(Mesh);
+	ArmsMesh = Mesh;
 	
-	for (auto Weapon : StartingWeapons)
+	for (auto WeaponTemplate : StartingWeapons)
 	{
-		if (Weapon)
-		{
-			ULMWeapon* Instance = NewObject<ULMWeapon>(this, Weapon);
+		if (!WeaponTemplate)
+			continue;
+		
+		ALMWeaponBase* Instance = GetWorld()->SpawnActor<ALMWeaponBase>(WeaponTemplate);
+		GEngine->AddOnScreenDebugMessage(INDEX_NONE, 2.f, FColor::Blue, TEXT("Spawing"));
+		Instance->SetActorHiddenInGame(true);
+		
 		Weapons.Add(Instance);
 		
-			Instance->Initialize(Mesh->GetRelativeLocation());
-		}
+		FAttachmentTransformRules Rules = FAttachmentTransformRules(EAttachmentRule::SnapToTarget,
+		                                                            EAttachmentRule::KeepRelative,
+		                                                            EAttachmentRule::KeepRelative,
+		                                                            false);
+		
+		Instance->AttachToComponent(ArmsMesh, Rules);
 	}
 	
 	if (!Weapons.IsEmpty())
@@ -42,28 +50,22 @@ void ULMWeaponManager::AddAmmoType(EAmmoType AmmoType, int AmmoCount)
 	FString Debug = FString::Printf(TEXT("Adding %i ammo of type %i"), AmmoCount, AmmoType);
 	GEngine->AddOnScreenDebugMessage(1, 1.f, FColor::Cyan, Debug);
 
-	for (const auto Weapon : Weapons)
-	{
-		if (Weapon->WeaponDataStructure.AmmoType != AmmoType)
-			continue;
 	
-		Weapon->AddAmmo(AmmoCount);
-	}
 }
 
 void ULMWeaponManager::Fire()
 {
-	ULMWeapon* Weapon = GetCurrentWeapon();
+	ALMWeaponBase* Weapon = GetCurrentWeapon();
 	
 	GEngine->AddOnScreenDebugMessage(2, 1.f, FColor::Cyan, "Fire");
-	Weapon->Fire();
+	Weapon->PrimaryFire();
 }
 
 void ULMWeaponManager::Reload()
 {
 	GEngine->AddOnScreenDebugMessage(3, 1.f, FColor::Cyan, "Reloading");
 	
-	ULMWeapon* Weapon = GetCurrentWeapon();
+	ALMWeaponBase* Weapon = GetCurrentWeapon();
 	Weapon->Reload();
 }
 
@@ -91,13 +93,8 @@ void ULMWeaponManager::SetWeapon(const int Index)
 		return;
 	}
 
+	GetCurrentWeapon()->SetActorHiddenInGame(true);
 	CurrentWeaponIndex = Index;
-
-	if (WeaponMeshComponent)
-	{
-		GEngine->AddOnScreenDebugMessage(INDEX_NONE, 5, FColor::Red, "Has Mesh");
-
-		WeaponMeshComponent->SetSkeletalMeshAsset(GetCurrentWeapon()->WeaponDataStructure.MeshWeapon);
-	}
+	GetCurrentWeapon()->SetActorHiddenInGame(false);
 }
 

Source/LegumeMix/Public/Player/LMPlayer.h

@@ -3,6 +3,7 @@
 #pragma once
 
 #include "CoreMinimal.h"
+#include "Camera/CameraComponent.h"
 #include "GameFramework/Character.h"
 #include "LMPlayer.generated.h"
 
@@ -36,6 +37,18 @@ public:
 	UFUNCTION(BlueprintCallable)
 	void SetWeaponManager(ULMWeaponManager* Manager);
 
+	UFUNCTION(BlueprintCallable)
+	void PlayAnimation(UAnimMontage* Animation);
+
+	UFUNCTION(BlueprintCallable)
+	void FireBullets(const FLMBulletInfo Settings);
+
+	UFUNCTION(BlueprintCallable)
+	FVector GetWeaponFiringOrigin() const { return Camera->GetComponentLocation(); }
+
+	UFUNCTION(BlueprintCallable)
+	FVector GetAimVector() const { return Camera->GetForwardVector(); }
+
 private:
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category=Legumix, meta = (AllowPrivateAccess = true))
 	TObjectPtr<ULMWeaponManager> WeaponManager;

Source/LegumeMix/Public/Weapon/LMShotgun.h

@@ -0,0 +1,23 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "LMWeaponBase.h"
+#include "LMShotgun.generated.h"
+
+UCLASS()
+class LEGUMEMIX_API ALMShotgun : public ALMWeaponBase
+{
+	GENERATED_BODY()
+
+public:
+	ALMShotgun();
+	virtual void Tick(float DeltaTime) override;
+	virtual void PrimaryFire() override;
+
+private:
+	/** The number of pellets fired by the shotgun. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Legumix|Weapon", meta = (AllowPrivateAccess = true))
+	int PelletCount = 8;
+};

Source/LegumeMix/Public/Weapon/LMWeaponBase.h

@@ -0,0 +1,87 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "LMAmmo.h"
+#include "LMWeaponDataStructure.h"
+#include "GameFramework/Actor.h"
+#include "GameFramework/SpringArmComponent.h"
+#include "LMWeaponBase.generated.h"
+
+
+UCLASS()
+class LEGUMEMIX_API ALMWeaponBase : public AActor
+{
+	GENERATED_BODY()
+
+public:
+	ALMWeaponBase();
+	virtual void BeginPlay() override;
+
+public:
+	UFUNCTION(BlueprintCallable)
+	virtual void Reload();
+	
+	UFUNCTION(BlueprintCallable)
+	virtual void PrimaryFire();
+
+	UFUNCTION(BlueprintCallable)
+	void PlaySound(USoundWave* Sound, bool Replacing = false);
+
+	UFUNCTION(BlueprintCallable)
+	void PlayAnimation(UAnimMontage* Animation);
+
+	/** The socket to attach the weapon to.
+	 * @return The socket.
+	 */
+	UFUNCTION(BlueprintCallable)
+	FName GetAttachmentSocketName() const { return WeaponSocket; }
+
+protected: /* Weapon Data */
+	/** The weapon static data. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Legumix, meta=(AllowPrivateAccess=true))
+	FLMWeaponDataStructure Data;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Legumix|Animations", meta=(AllowPrivateAccess=true))
+	TObjectPtr<UAnimMontage> PrimaryFireAnimation;
+
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="Legumix|Animations", meta=(AllowPrivateAccess=true))
+	TObjectPtr<UAnimMontage> ReloadAnimation;
+
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="Legumix|Weapon", meta=(AllowPrivateAccess=true))
+	float Damage = 10.f;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Legumix|Weapon", meta=(AllowPrivateAccess=true))
+	FVector WeaponSpread = FVector::ZeroVector;
+
+	/** The max distance (cm) between the origin and the target before doing minimal damage. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Legumix|Weapon", meta=(AllowPrivateAccess=true))
+	float MaxDistance = 100000.f;
+
+	/** The damage falloff distance in a 0-1 scale. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Legumix|Weapon", meta=(AllowPrivateAccess=true))
+	FFloatCurve DamageFalloff;
+	
+	/** The type of ammo used by this weapon. */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Legumix|Weapon", meta=(AllowPrivateAccess=true))
+	EAmmoType AmmoType;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Legumix|Weapon", meta=(AllowPrivateAccess=true))
+	int ClipAmmo;
+	
+private:
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Legumix, meta=(AllowPrivateAccess=true))
+	FDataTableRowHandle DataTableRow;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Legumix, meta=(AllowPrivateAccess=true))
+	FName WeaponSocket;
+
+private: /* Components */
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category=Legumix, meta=(AllowPrivateAccess=true))
+	TObjectPtr<UAudioComponent> AudioComponent;
+
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category=Legumix, meta=(AllowPrivateAccess=true))
+	TObjectPtr<USkeletalMeshComponent> WeaponMesh;
+};
+

Source/LegumeMix/Public/Weapon/LMWeaponManager.h

@@ -8,35 +8,36 @@
 #include "LMWeaponManager.generated.h"
 
 
+class ALMWeaponBase;
 class ULMWeapon;
 
-UCLASS(Blueprintable, BlueprintType, ClassGroup="Legumix", meta=(BlueprintSpawnableComponent))
+UCLASS(Blueprintable, BlueprintType, ClassGroup=Legumix, meta=(BlueprintSpawnableComponent))
 class LEGUMEMIX_API ULMWeaponManager : public UActorComponent
 {
 	GENERATED_BODY()
 
 public:
 	ULMWeaponManager();
-	void SetWeaponMeshComponent(USkeletalMeshComponent* Mesh) { WeaponMeshComponent = Mesh; }
+	void SetArmsMesh(USkeletalMeshComponent* Mesh) { ArmsMesh = Mesh; }
 
 public:
 	/**
 	 * Get the Weapon currently equipped.
 	 * @return The Current Weapon.
 	 */
-	UFUNCTION(BlueprintCallable, Category="Legumix")
-	ULMWeapon* GetCurrentWeapon() { return Weapons[CurrentWeaponIndex]; }
+	UFUNCTION(BlueprintCallable, Category=Legumix)
+	ALMWeaponBase* GetCurrentWeapon() { return Weapons[CurrentWeaponIndex]; }
 
-	UFUNCTION(BlueprintCallable, Category="Legumix")
+	UFUNCTION(BlueprintCallable, Category=Legumix)
 	void SetWeapon(int Index);
 
-	UFUNCTION(BlueprintCallable, Category="Legumix")
+	UFUNCTION(BlueprintCallable, Category=Legumix)
 	void AddAmmoType(EAmmoType AmmoType, int AmmoCount);
 
-	UFUNCTION(BlueprintCallable, Category="Legumix")
+	UFUNCTION(BlueprintCallable, Category=Legumix)
 	void Fire();
 	
-	UFUNCTION(BlueprintCallable, Category="Legumix")
+	UFUNCTION(BlueprintCallable, Category=Legumix)
 	void Reload();
 	void SwitchWeapon(int Direction);
 
@@ -46,16 +47,16 @@ protected:
 	virtual void BeginPlay() override;
 
 private:
-	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Legumix", meta = (AllowPrivateAccess = "true"))
-	TObjectPtr<USkeletalMeshComponent> WeaponMeshComponent;
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Legumix, meta = (AllowPrivateAccess = "true"))
+	TObjectPtr<USkeletalMeshComponent> ArmsMesh;
 	
 	/** The weapons the player starts with. */
-	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Legumix", meta=(AllowPrivateAccess=true))
-	TArray<TSubclassOf<ULMWeapon>> StartingWeapons;
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Legumix, meta=(AllowPrivateAccess=true))
+	TArray<TSubclassOf<ALMWeaponBase>> StartingWeapons;
 
-	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="Legumix", meta=(AllowPrivateAccess=true))
-	TArray<TObjectPtr<ULMWeapon>> Weapons;
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category=Legumix, meta=(AllowPrivateAccess=true))
+	TArray<TObjectPtr<ALMWeaponBase>> Weapons;
 
-	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Legumix", meta=(AllowPrivateAccess=true))
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Legumix, meta=(AllowPrivateAccess=true))
 	int CurrentWeaponIndex = 0;
 };