Hi, I've been working on a mod and I'm almost there, but I've gotten stuck on prompts and got no clue how to fix it up. I am using the ScriptHookRDRNetAPI. I'd really appreciate if someone could look over and point out where the issue lies.

 

Some notes to narrow down the issue:

• Function.Call<string>(Hash._CREATE_VAR_STRING is where I think the issue lies but that's just assumption. _CREATE_VAR_STRING in NativeDB is shown as a const char*, but:
• const char* gives an error: char* cannot be declared as a const (commented out)
• Function.Call<char*>  gives an error: char* cannot be used as an argument (commented out)
• changing string to any other kind of variable, like a long immediately crashes the game upon reloading script.
• targetEntity is 100% working, I have used it to check if I'm targeting specific models.
• Function.Call<Hash>(Hash.GET_HASH_KEY seems to be working exactly the same as Game.GenerateHash( tested by comparing models, so I doubt that's causing any issues.
• Both ShowSubtitle commands fire off with the current code, but prompt does not appear.

            RDR2.UI.Screen.ShowSubtitle("Initialising");

            Entity targetEntity = outputTarget.GetResult<Entity>();

            int groupID = Function.Call<int>(Hash._UIPROMPT_GET_GROUP_ID_FOR_TARGET_ENTITY, targetEntity);
            int basicPrompt = Function.Call<int>(Hash._UIPROMPT_REGISTER_BEGIN);

            //const char* promptString = Function.Call<char*>(Hash._CREATE_VAR_STRING, 10, "LITERAL_STRING", "Prompt");

            Function.Call(Hash._UIPROMPT_SET_CONTROL_ACTION, basicPrompt, Game.GenerateHash("INPUT_FRONTEND_LS"));
            Function.Call(Hash._UIPROMPT_SET_TEXT, basicPrompt, 
                Function.Call<string>(Hash._CREATE_VAR_STRING, 10, "LITERAL_STRING", "Prompt"));
            Function.Call(Hash._UIPROMPT_SET_PRIORITY, basicPrompt, 5);
            Function.Call(Hash._UIPROMPT_SET_ATTRIBUTE, basicPrompt, 18, 1);
            Function.Call(Hash._UIPROMPT_SET_STANDARDIZED_HOLD_MODE, basicPrompt, 1);
            Function.Call(Hash._UIPROMPT_SET_GROUP, basicPrompt,groupID, 0);
            Function.Call(Hash._UIPROMPT_SET_ENABLED, basicPrompt, true);
            Function.Call(Hash._UIPROMPT_SET_VISIBLE, basicPrompt, true);

            Function.Call(Hash._UIPROMPT_REGISTER_END, basicPrompt);

            RDR2.UI.Screen.ShowSubtitle("Initialising finished");

 

Odd, perhaps something else messes up the return value or the way it is passed. But that is definitely the function to use.

I've been testing around and realised that _UIPROMPT_REGISTER_BEGIN outputs a Prompt and I've been using int all this time. Displaying the result of _CREATE_VAR_STRING(string) gives out the same string as the input, is it  Trying to get the Prompt via Function.Call<Prompt>(Hash._UIPROMPT_REGISTER_BEGIN); results in an error Unable to cast native value to object of type 'RDR2.UI.Prompt'. Weirdly enough, int worked with the existing prompt text.

Do I need to create the prompt first with _UIPROMPT_CREATE? Any idea how I would go about it? The only mention of the method is in the campfire thread which I browsed through many times and it's only mentioned.

This will not work.

Function.Call(Hash._UIPROMPT_SET_TEXT, prompt, Function.Call<string>(Hash._CREATE_VAR_STRING, 10, "LITERAL_STRING", t_text));

because using that native is literally no different than just passing the string it self.

Function.Call(Hash._UIPROMPT_SET_TEXT, prompt, t_text);

_UIPROMPT_SET_TEXT is looking for a valid text label.

Which is the reason why this will work.

string t_text = "WARDROBE_INSPECT_PROMPT";
Function.Call(Hash._UIPROMPT_SET_TEXT, prompt, Function.Call<string>(Hash._CREATE_VAR_STRING, 10, "LITERAL_STRING", t_text));

But this will not work

string t_text = "My Custom String";
Function.Call(Hash._UIPROMPT_SET_TEXT, prompt, Function.Call<string>(Hash._CREATE_VAR_STRING, 10, "LITERAL_STRING", t_text));

If you are going to pass a literal string, Then you must make sure that the literal string matches a valid text label.

2 hours ago, Lambda said:

No, the difference is most likely in the types. The create string both wants a char pointer in and returns a char pointer back. C# is a managed language so the support for pointers is limited thats why i suspect you would need to use unmanaged/unsafe to make it work...

Well, I tried, now I get an error CS1503: cannot convert char* to Native.InputArgument, (char** if I use &testValue) so I guess that's progress? I tried converting it back to a string with CREATE_VAR_STRING but it gave me the exact same error. The line looks like this: 

unsafe
{
  fixed (char* promptText = "Prompt")
  {
    Function.Call(Hash._UIPROMPT_SET_TEXT, joinPrompt, promptText); // "ACT_HUNTING_PROMPT"
  }
}