Accessing global vars from the interaction edcitor in script?

[Isegrim]

Is there a way to handle a global var which is used in the script in the interactions editor (conditional: If variable...) or the other way round?

and is there a direct way to check "Player has been in room" in script?

[strazer]

A partial answer to your first question can be found in the AGS tidbits & snippets page:
"You can only read interaction editor's global variables with the GetGraphicalVariable (string variable_name) function."

[Scorpiorus]

Is there a way to handle a global var which is used in the script in the interactions editor (conditional: If variable...) or the other way round?

The only way is to create a global variable by means of the Interaction Editor and then access it with GetGraphicalVariable()/SetGraphicalVariable() script functions. Kinda counterwise

and is there a direct way to check "Player has been in room" in script?

Nope, afaik. But you can have an array to store how many times player visited a certain room:

//main global script:

#define ROOMS_MAX 1000

int roomVisits[ROOMS_MAX];

function on_event(int event, int data) {

   if (event == ENTER_ROOM) {
      if (data>=0 && data<ROOMS_MAX) roomVisits[data]++;
   }
}


function HasBeenInRoom(int room) {
   if (room>=0 && room<ROOMS_MAX) return roomVisits[room];
   else return 0;
}

//script header:
import function HasBeenInRoom(int room);

A partial answer to your first question can be found in the AGS tidbits & snippets page:
"You can only read interaction editor's global variables with the GetGraphicalVariable (string variable_name) function."

Yeah, that was untill AGS v2.6 (I think) was released. SetGraphicalVariable() is there.

~Cheers

[strazer]

Ah, I thought you meant "You can only read graphical variables with this function:", not "You can only read graphical variables, with this function:".
I've never used the interaction editor apart from the basics, so I never thought about it. The sentence just looked important.
I'll remove it then, thanks.

[Isegrim]

Thanks to both of you!

This would allow another workaround for the room check: I could set a global var (like room1, room2 etc) to 1 whenever the according room is entered for the first time...
But, to be honest, I was just wondering without having a something definite in mind...  

[Scorpiorus]

Ah, I thought you meant "You can only read graphical variables with this function:", not "You can only read graphical variables, with this function:".
I've never used the interaction editor apart from the basics, so I never thought about it. The sentence just looked important.
I'll remove it then, thanks.

I've just figured out that SetGraphicalVariable() was added into the 2.61beta2, so it's kinda unofficial.

This would allow another workaround for the room check: I could set a global var (like room1, room2 etc) to 1 whenever the according room is entered for the first time...

Yeah, but still it could be a good idea to be able to check HasBeenInRoom condition via the script.

~Cheers

[SSH]

Actually, since the runtime engine knows whether to execute the "First time player eneters room" interaction or not, it must keep track of whether the player has been to each room. It would be handy if there was a built-in function to access this data!

if ( HasBeenInRoom(int roomno) ) {
}

[Pumaman]

Good point, I'll add it to my list.