Add post process material instance to display damage on screen

Source/LegumeMix/Private/Enemy/LMEnemy.cpp

@@ -6,6 +6,7 @@ ALMEnemy::ALMEnemy()
 {
 	PrimaryActorTick.bCanEverTick = true;
 	EnemyState = EEnemyState::EES_Chasing;
+	AttackingRadius = 100.f;
 	AttackingDamage = 0.f;
 }
 

Source/LegumeMix/Private/Player/LMPlayer.cpp

@@ -27,6 +27,10 @@ ALMPlayer::ALMPlayer()
 
 	SpreadStream = FRandomStream(FMath::Rand());
 	HealthComponent = CreateDefaultSubobject<ULMHealthComponent>(TEXT("HealthComponent"));
+
+	HitPeriodLengthInSeconds = 0.f;
+	TimeElapsedSinceLastDamageInSeconds = 0.f;
+	CumulatedDamagesOnCurrentHitPeriod = 0.f;
 }
 
 void ALMPlayer::BeginPlay()

Source/LegumeMix/Public/Enemy/LMEnemy.h

@@ -44,7 +44,7 @@ protected:
 	double GetDistanceToTarget(const AActor* TargetedActor);
 
 	/**
-	* Returns the distance between the enemy and a target.
+	* Performs an attack on the targeted pawn
 	* @param TargetedPawn 
 	* @returns
 	*/

Source/LegumeMix/Public/Player/LMPlayer.h

@@ -113,6 +113,34 @@ private:
 	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category=Legumix, meta = (AllowPrivateAccess = true))
 	TObjectPtr<ULMHealthComponent> HealthComponent;
 
+	/**
+	 * Length of the period in which the damages HUD will be displayed on player screen.
+	 */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=Legumix, meta = (AllowPrivateAccess = true))
+	double HitPeriodLengthInSeconds;
+	
+	/**
+	 * Time elapsed since last damage taken.
+	 * If it's superior to the HitPeriodLengthInSeconds variable, ends the Hit period
+	 * and so the displaying of damages HUD on player screen
+	 */
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category=Legumix, meta = (AllowPrivateAccess = true))
+	double TimeElapsedSinceLastDamageInSeconds;
+
+	/**
+	 * Cumulated damages taken by the player on the current hit period
+	 * To calculate view occlusion percent for the damage HUD 
+	 */
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category=Legumix, meta = (AllowPrivateAccess = true))
+	float CumulatedDamagesOnCurrentHitPeriod;
+
+	/**
+	 * Player health at the current hit period beginning
+	 * To calculate view occlusion percent for the damage HUD 
+	 */
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category=Legumix, meta = (AllowPrivateAccess = true))
+	float HealthAtTheCurrentHitPeriodBeginning;
+
 private:
 #if WITH_EDITORONLY_DATA
 	/** If set, bullet debug will be drawn. */