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Author Topic: DlgBranch Bug  (Read 6301 times)

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eborr

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DlgBranch Bug
« on: August 14, 2009, 11:17:37 AM »

Hello I think this is probably a bug, in the sense that it manages to crash the project manager editor.

I am calling the a seperate dialogue branch within a function from an attached script
this is the code for the function.

It works fine if I omit the dialogue branching controls, but of course that then creates a logical problem in that elements with the response box are removed.

The crash occurs exactly at the point where the branch is called. I have tried variations in terms of naming the dlg branch and calling the dlg branch from another dlg branch, and all variants produce the same crash error. I have use dlg branch successfully in the past.

If there is anything that I have done wrong please advise



 
Code: [Select]
function  testb()

{

Game.StartDlgBranch();

var options;

options[0] = "this is testbline1";
options[1] ="this test line 2";
options[2] ="bye";
var selected;

while (selected !=2)

{

   Game.AddResponseOnce(0,options[0]);
           Game.AddResponseOnce(1,options[1]);
           Game.AddResponseOnce(2,options[2]);
            selected = Game.GetResponse();
switch (selected)

{
  case 0:
 
     Game.Msg("this is case 0");
break;

case 1:

  Game.Msg("this is case 1");
  break;
 
  case 2:
 
   Game.Msg("this is the last case");
   
   break;
   }
   }
   
Game.EndDlgBranch();
}


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eborr

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Re: DlgBranch Bug
« Reply #1 on: August 14, 2009, 11:35:30 AM »

Taking this a little bit further I built a simple framework to test the concept and get the same result, could the problem be that I am using an attached script or perhaps my installation of WME has become corrupted ! I have also test the script with a "clean " project, of course it may be I have an error in my coding !!

Code: [Select]
#include "scripts\base.inc"


////////////////////////////////////////////////////////////////////////////////
//on "event"
//{
//  ...
//}


var options;

    options[0] = "this is top level option 1";
options[1] = "this is top level option 2";
options[2] =" this is top level option 3";

var selected;

while(selected !=2)

  {
 
     Game.AddResponseOnce(0,options[0]);
Game.AddResponseOnce(1,options[1]);
Game.AddResponseOnce(2,options[2]);

Game.Interactive = true;
selected = Game.GetResponse();

switch (selected)

{
  case 0:
 
    Game.Msg("this is top level case 0");
testb();
break;


     
  case 1:
 
    Game.Msg("this is  top level case 1");

break;


case 2:
 
    Game.Msg("this is  top level case 2");

break;
}
}

function  testb()

{

Game.StartDlgBranch();

var options;

options[0] = "this is testbline1";
options[1] ="this test line 2";
options[2] ="bye";
var selected;

while (selected !=2)

{

   Game.AddResponseOnce(0,options[0]);
           Game.AddResponseOnce(1,options[1]);
           Game.AddResponseOnce(2,options[2]);
            selected = Game.GetResponse();
switch (selected)

{
  case 0:
 
     Game.Msg("this is case 0");
break;

case 1:

  Game.Msg("this is case 1");
  break;
 
  case 2:
 
   Game.Msg("this is the last case");
   
   break;
   }
   }
   
Game.EndDlgBranch();
}
 


« Last Edit: August 14, 2009, 11:40:38 AM by eborr »
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Mnemonic

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Re: DlgBranch Bug
« Reply #2 on: August 14, 2009, 12:16:58 PM »

Actually I think the problem is not the dialogue branching, but the fact there's a "switch" command nested in a "while" loop. That's an old bug in the script compiler, where a switch command inside another switch command or inside a loop can cause inpredictable results. Try rewriting the switch into a sequence of if-else-if-else to see if it eliminates the crash.
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eborr

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Re: DlgBranch Bug
« Reply #3 on: August 14, 2009, 01:54:09 PM »

Actually I think the problem is not the dialogue branching, but the fact there's a "switch" command nested in a "while" loop. That's an old bug in the script compiler, where a switch command inside another switch command or inside a loop can cause inpredictable results. Try rewriting the switch into a sequence of if-else-if-else to see if it eliminates the crash.

ok tried that replaced all switch/case with if-then, not else still same windows crash - this problem does not occur in earlier versions of very similar code.  I will next try to re-work chuncks of this an see what happens. Have also tried the code on a different machine - same result
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eborr

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Re: DlgBranch Bug
« Reply #4 on: August 14, 2009, 04:26:43 PM »

I have through trial and error come up with a hack fix,  immeadaitely before the programme crashed there was a call to a method, if I commented out that line then the function was actioned and the Game.DlgBranch didn't crash WME. The next step was that I introduced a 200 ms sleep statement in between the method and the function call - it now appears to work, or at least not crash - I will now test as to whether the fucntionality works after all my screwing around with it.
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