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New Items showing up at 0 0 0, not camera pos

by Jake Callery · in Torque Game Engine · 04/06/2008 (5:15 pm) · 4 replies

Hey all,

I seem to have a bit of an issue. I just started a new project, built off of the tutorial.base example.

When I create a new shape (ItemData) in the mission editor, it shows up at 0 0 0, and not where the
camera is pointing. This is on a bone stock version of TGE 1.5.2 within the flat.mis file using flat.ter (also unmodified)

My Item datablock looks like this:
//Object pickup Item Example
datablock ItemData(DBMyItem)
{//Datablock
   category = "My Stuff";
   shapeFile = "~/data/shapes/3dtorquelogo/torque_logo.dts";
};//Data block

and my Create hook looks like this:
function ItemData::Create(%db)
{//Editor Hook for create
   
   //Switch on Datablock name   
   switch$(%db.getName())
   {//handle different items
      case "DBMyItem":
                  %obj = new Item()
                     {//make item
                        datablock = DBmyItem;
                        rotate = true;
                        static = true;
                     };//make item
                  echo("Item Created!");
      default:
                  echo("Bad DB for create: " @ %db.getName());
   }//handle different items

}//Editor Hook for create

It other projects, this has never been an issue. I'm not sure what I have done wrong here.
Any insight would be greatly appreciated!
Thanks!
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Torque 3D Owner Jake Callery
#1
04/06/2008 (5:21 pm)
I forgot to mention that adding static shapes, or interiors or whatever DO show up where the camera
is pointing.

Very strange.

Thanks again!

Torque 3D Owner Jake Callery
#2
04/06/2008 (5:38 pm)
Ok, after some more testing, this seems to be what happens.

This Does NOT work:
unction ItemData::Create(%db)
{//Editor Hook for create
   
   //Switch on Datablock name   
   switch$(%db.getName())
   {//handle different items
      case "DBMyItem":
                  %obj = new Item()
                     {//make item
                        datablock = DBmyItem;
                        rotate = true;
                        static = true;
                     };//make item
                  echo("Item Created!");
      default:
                  echo("Bad DB for create: " @ %db.getName());
   }//handle different items

}//Editor Hook for create

This DOES work
unction ItemData::Create(%db)
{//Editor Hook for create
   
   //Switch on Datablock name   
   switch$(%db.getName())
   {//handle different items
      case "DBMyItem":
                  %obj = new Item()
                     {//make item
                        datablock = DBmyItem;
                        rotate = true;
                        static = true;
                     };//make item
                  //echo("Item Created!");
      default:
                  echo("Bad DB for create: " @ %db.getName());
   }//handle different items

}//Editor Hook for create

Notice the only change is the removal of the echo statement... anyone care to venture a guess
on why that affects the position of the newly created item?

Very lost here...

Torque 3D Owner Jake Callery
#3
04/06/2008 (5:46 pm)
I seem to be able to put anything after the new Item() block, except an echo, and it works..
however if I have an echo statement in there, the position of the new object is set to 0 0 0.

Anyone else have this issue?

Torque 3D Owner Jake Callery
#4
04/06/2008 (5:56 pm)
Ok, very sorry for the Brain Dump, but I have finally figured it out.

If you don't return %obj at the end, then echo will mess with the position.

I can't tell you why exactly, but putting return %obj at the end makes everything work again.

My guess is that the engine isn't getting the new object handle in a normal fashion unless it is
specifically returned to it at the end of the Create callback.