BT96 The Observer Pattern.cmproj

davidAlittle · Aug 4, 2016 · d1d5464 · d1d5464
1 parent e964687
commit d1d5464
Show file tree

Hide file tree

Showing 6 changed files with 30 additions and 1 deletion.
diff --git a/BattleTank/Content/Tank/Tank_BP.uasset b/BattleTank/Content/Tank/Tank_BP.uasset
diff --git a/BattleTank/Content/_Levels/BattleGround.umap b/BattleTank/Content/_Levels/BattleGround.umap
diff --git a/BattleTank/Source/BattleTank/Private/Tank.cpp b/BattleTank/Source/BattleTank/Private/Tank.cpp
@@ -25,7 +25,7 @@ float ATank::TakeDamage(float DamageAmount, struct FDamageEvent const & DamageEv
 	CurrentHealth -= DamageToApply;
 	if (CurrentHealth <= 0)
 	{
-		UE_LOG(LogTemp, Warning, TEXT("Tank died"))
+		OnDeath.Broadcast();
 	}
 	return DamageToApply;
 }
diff --git a/BattleTank/Source/BattleTank/Private/TankAIController.cpp b/BattleTank/Source/BattleTank/Private/TankAIController.cpp
@@ -3,13 +3,33 @@
 #include "BattleTank.h"
 #include "TankAimingComponent.h"
 #include "TankAIController.h"
+#include "Tank.h" // So we can impliment OnDeath
+
 // Depends on movement component via pathfinding system
 
 void ATankAIController::BeginPlay()
 {
 	Super::BeginPlay();
 }
 
+void ATankAIController::SetPawn(APawn* InPawn)
+{
+	Super::SetPawn(InPawn);
+	if (InPawn)
+	{
+		auto PossessedTank = Cast<ATank>(InPawn);
+		if (!ensure(PossessedTank)) { return; }
+
+		// Subscribe our local method to the tank's death event
+		PossessedTank->OnDeath.AddUniqueDynamic(this, &ATankAIController::OnPossedTankDeath);
+	}
+}
+
+void ATankAIController::OnPossedTankDeath()
+{
+	UE_LOG(LogTemp, Warning, TEXT("Received!"))
+}
+
 // Called every frame
 void ATankAIController::Tick(float DeltaTime)
 {

diff --git a/BattleTank/Source/BattleTank/Public/Tank.h b/BattleTank/Source/BattleTank/Public/Tank.h
@@ -5,6 +5,8 @@
 #include "GameFramework/Pawn.h"
 #include "Tank.generated.h" // Put new includes above
 
+DECLARE_DYNAMIC_MULTICAST_DELEGATE(FTankDelegate);
+
 UCLASS()
 class BATTLETANK_API ATank : public APawn
 {
@@ -18,6 +20,8 @@ class BATTLETANK_API ATank : public APawn
 	UFUNCTION(BlueprintPure, Category = "Health")
 	float GetHealthPercent() const;
 
+	FTankDelegate OnDeath;
+
 private:
 	// Sets default values for this pawn's properties
 	ATank();

diff --git a/BattleTank/Source/BattleTank/Public/TankAIController.h b/BattleTank/Source/BattleTank/Public/TankAIController.h
@@ -21,5 +21,10 @@ class BATTLETANK_API ATankAIController : public AAIController
 private:
 	virtual void BeginPlay() override;
 
+	virtual void SetPawn(APawn* InPawn) override;
+
 	virtual void Tick(float DeltaSeconds) override;
+
+	UFUNCTION()
+	void OnPossedTankDeath();
 };