Rework interaction system

Source/NakedDesire/Interaction/Interactable.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "UObject/Interface.h"
+#include "Interactable.generated.h"
+
+class ANakedDesireCharacter;
+
+UINTERFACE(MinimalAPI, BlueprintType)
+class UInteractable : public UInterface
+{
+	GENERATED_BODY()
+};
+
+class NAKEDDESIRE_API IInteractable
+{
+	GENERATED_BODY()
+
+public:
+	// Returns true if this actor can currently be interacted with by the given player
+	UFUNCTION(BlueprintNativeEvent)
+	bool CanInteract(ANakedDesireCharacter* Player) const;
+
+	// Executes the interaction (called server-side)
+	UFUNCTION(BlueprintNativeEvent)
+	void Interact(ANakedDesireCharacter* Player);
+
+	// Text shown in the interaction prompt UI
+	UFUNCTION(BlueprintNativeEvent)
+	FText GetInteractionPrompt() const;
+
+	// Called (client-side) when this actor enters the player's proximity radius
+	UFUNCTION(BlueprintNativeEvent)
+	void ShowInteractionProximityHint();
+
+	// Called (client-side) when this actor becomes the focused interaction target
+	UFUNCTION(BlueprintNativeEvent)
+	void ShowInteractionFocusHint();
+
+	// Called (client-side) when this actor loses proximity or focus
+	UFUNCTION(BlueprintNativeEvent)
+	void HideInteractionHint();
+};