GetChild()->GetKeyValue("name") Crashes Program

[gamecreator]

I'm open to doing something wrong here but this seems like it should work.  I imported an FBX with two textured boxes and two collisionhulls for them.  It loads fine, displays fine.  However, when I try to print the names of the objects, only the collisionhulls work.  The other two crash the program.  Files attached.  Code below.

As you can see, the two collisionhulls provide the names properly but the models themselves (children 0 and 3) do not.


 

room=Model::Load("Models/world/room.mdl");

printf("\n\nchildren: %d\n\n", room->CountChildren());  // Returns 4
printf("name: %s\n",room->GetChild(0)->GetKeyValue("name"));  //  Will crash program
printf("name: %s\n",room->GetChild(1)->GetKeyValue("name"));
printf("name: %s\n",room->GetChild(2)->GetKeyValue("name"));
printf("name: %s\n",room->GetChild(3)->GetKeyValue("name"));  //  Will crash program

 

world.zip

[Rick]

Are you sure it’s the names causing the crash vs the children coming back as null? So trying to call a function on a null object would cause the crash.

[gamecreator]

Gave it a shot with the following.  None of the four printed.

if(room->GetChild(0)==NULL) printf("NULL0\n");
if(room->GetChild(1)==NULL) printf("NULL1\n");
if(room->GetChild(2)==NULL) printf("NULL2\n");
if(room->GetChild(3)==NULL) printf("NULL3\n");

 

[macklebee]

This lua code works:

function Script:Start()
	System:Print("Model Name: "..self.entity:GetKeyValue("name"))
	local children = self.entity:CountChildren()
	for i = 0, children-1 do
		System:Print("Child "..i.." Name: "..self.entity:GetChild(i):GetKeyValue("name"))
	end
end

 

[gamecreator]

Thanks macklebee.  That gave me an idea which turned out to be what I needed.  I needed to use cout instead of printf because GetKeyValue returns a std::string.  I'm not sure why the two collision hulls worked with a char * and the models didn't but probably just coincidence.
This can be closed.