Added power decay to player's character

Author: weeeBox

Source/BatteryCollector/BatteryCollectorGameMode.cpp

@@ -3,6 +3,7 @@
 #include "BatteryCollector.h"
 #include "BatteryCollectorGameMode.h"
 #include "BatteryCollectorCharacter.h"
+#include "Kismet/GameplayStatics.h"
 
 ABatteryCollectorGameMode::ABatteryCollectorGameMode()
 {
@@ -12,4 +13,25 @@ ABatteryCollectorGameMode::ABatteryCollectorGameMode()
 	{
 		DefaultPawnClass = PlayerPawnBPClass.Class;
 	}
+
+	//base decay rate
+	DecayRate = 0.01f;
 }
+
+void ABatteryCollectorGameMode::Tick(float DeltaTime)
+{
+	Super::Tick(DeltaTime);
+
+	// Check that we are using the battery collector character
+	ABatteryCollectorCharacter* MyCharacter = Cast<ABatteryCollectorCharacter>(UGameplayStatics::GetPlayerPawn(this, 0));
+	if (MyCharacter)
+	{
+		// if the character's power is positive
+		if (MyCharacter->GetCurrentPower() > 0)
+		{
+			// decrease the character's power
+			MyCharacter->UpdatePower(-DeltaTime*DecayRate*(MyCharacter->GetInitialPower()));
+		}
+	}
+
+}

Source/BatteryCollector/BatteryCollectorGameMode.h

@@ -10,6 +10,13 @@ class ABatteryCollectorGameMode : public AGameMode
 
 public:
 	ABatteryCollectorGameMode();
+
+	virtual void Tick(float DeltaTime) override;
+
+protected:
+	/**The rate at which the character loses power */
+	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite, Category = "Power")
+	float DecayRate;
 };