Binding C++ events to event dispatcher

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It seems like you’re missing “BlueprintCallable” in your UFUNCTION macros. That’s why you can’t call these function directly after receiving input.

Also, BlueprintCallable requires you to setup a category for your function. So to fix this, just replace this:

UFUNCTION(BlueprintNativeEvent) 
void AddFuel(int32 FCount);
virtual void AddFuel_Implementation(int32 FCount);

UFUNCTION(BlueprintNativeEvent) 
void DouseWithWater(); //Call in blueprint
virtual void DouseWithWater_Implementation();

UFUNCTION(BlueprintNativeEvent) 
void EndBurn();
virtual void EndBurn_Implementation();

with this:

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "Yours Category") 
void AddFuel(int32 FCount);
virtual void AddFuel_Implementation(int32 FCount);

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "Yours Category") 
void DouseWithWater(); //Call in blueprint
virtual void DouseWithWater_Implementation();

UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "Yours Category") 
void EndBurn();
virtual void EndBurn_Implementation();

That way, you should be able to get rid of your dispatchers and directly call these functions in blueprints.

Cheers.