Start to add hit impact on the sample

Source/CogSample/CogSampleExecCalculation_Damage.h

@@ -2,8 +2,13 @@
 
 #include "CoreMinimal.h"
 #include "GameplayEffectExecutionCalculation.h"
+#include "Kismet/BlueprintFunctionLibrary.h"
 #include "CogSampleExecCalculation_Damage.generated.h"
 
+class UCogSampleAbilitySystemComponent;
+struct FHitResult;
+struct FGameplayEffectContextHandle;
+
 UCLASS()
 class UCogSampleExecCalculation_Damage : public UGameplayEffectExecutionCalculation
 {
@@ -14,3 +19,20 @@ public:
 
     virtual void Execute_Implementation(const FGameplayEffectCustomExecutionParameters& ExecutionParams, OUT FGameplayEffectCustomExecutionOutput& OutExecutionOutput) const override;
 };
+
+UCLASS(meta = (ScriptName = "CogSampleFunctionLibrary_Damage"))
+class COGSAMPLE_API UCogSampleFunctionLibrary_Damage : public UBlueprintFunctionLibrary
+{
+    GENERATED_BODY()
+
+public:
+
+    UFUNCTION(BlueprintCallable)
+    static void ExecuteDamageGameplayCue(
+        UCogSampleAbilitySystemComponent* TargetAbilitySystem,
+        const FHitResult& HitResult,
+        float HealthDamage,
+        const FGameplayEffectContextHandle& EffectContext,
+        bool IsPredicted);
+
+};