Harry
Member
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[Solved]Strange error ;)
I've got and error in my game wchic stops game like pause but without any crashes. Yesterday I tried to found it and the result was that game stops in draw game function in Renderer(Render); line.
Code:
LogN("1");
Renderer(Render);
LogN("2");
File log.txt show last number as 1.
So I checked Render function. But here everything was ok without any error. I decided to comment one by one draw functions for objects in World. But it doesn't show anything too. Now I don't know what to check so I write here. Maybe someone has any tips which help me 
(This post was last modified: 09-15-2010 05:47 PM by Harry.)
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| 09-12-2010 10:40 AM |
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Esenthel
Administrator
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RE: Strange error ;)
You can start in debugging mode, once you experience pause, you can select menu debug brak all and check the call stack.
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| 09-12-2010 12:39 PM |
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Harry
Member
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RE: Strange error ;)
Call Stack show mi this:
http://yfrog.com/ccerrsj
As I know ntdll.dll is a Windows file. Is reinstall Windows necessery? Or use programs like Combobox to check computer? Or try to restore this file?
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| 09-12-2010 02:00 PM |
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menajev
Member
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RE: Strange error ;)
I had situations when debugger showed .dlls as a problem and all time that was something in code.
If render functions is empty ( Render(){} ) problem still exists? What if map is not loaded?
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| 09-12-2010 05:52 PM |
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Harry
Member
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RE: Strange error ;)
Well when Render is empty I can't do anything because world isn't draw too. And this situation is only in specific places. I don't check it precisly but I think that this error is between two world areas.
EDIT: I started my world and I saw it only with Physics.draw (Render function was empty). In this situation error wasn't occured.
(This post was last modified: 09-12-2010 06:40 PM by Harry.)
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| 09-12-2010 06:23 PM |
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Harry
Member
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RE: Strange error ;)
I look closer at this and error is probably somewhere here:
Code:
struct Car : Item
{virtual void drawBlend ();}
if(mesh && Frustum(mesh->box,matrix()))
{
if(MaterialPtr m= Game::World.hmMaterial(matrix().pos.xz()))
{
if(m->user_type==MUT_STONE)
{...
}else if(m->user_type==MUT_EARTH)
{...
}else if(m->user_type==MUT_MUD)
{...
}else if(m->user_type==MUT_SAND)
{...
}
}
}
}
or here
Code:
struct PoliceCar : Car
{MaterialPtr frontlgtG,
stoplgtG,
redsiglgt,
redsiglgtG,
whitesiglgt,
whitesiglgtG,
frontlgt,
stoplgt ;
virtual UInt drawPrepare(); // object draw prepare
}
UInt PoliceCar::drawPrepare()
{
// front lights
if(frontLights)
{
frontlgt=mesh->part(4).material();
mesh->part(4).setMaterial(frontlgtG);
}
// stop lights
if(stopLights || frontLights)
{
stoplgt=mesh->part(3).material();
mesh->part(3).setMaterial(stoplgtG);
}
if(signalTime)
{
mesh->part(1).setMaterial(horn ? whitesiglgt : whitesiglgtG);
mesh->part(2).setMaterial(horn ? redsiglgtG : redsiglgt );
}
UInt modes=__super::drawPrepare();
//front lights reset
if(frontLights)
{
mesh->part(4).setMaterial(frontlgt);
}
// stop lights reset
if(stopLights || frontLights)
{
mesh->part(3).setMaterial(stoplgt);
}
if(signalTime)
{
mesh->part(1).setMaterial(whitesiglgt);
mesh->part(2).setMaterial(redsiglgt );
}
return modes;
}
Is here everything ok? I can't find antyhing.
(This post was last modified: 09-12-2010 07:56 PM by Harry.)
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| 09-12-2010 07:56 PM |
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Esenthel
Administrator
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RE: Strange error ;)
not sure what's the problem,
you can try commenting some parts of the codes
side note: accessing "mesh->part(4)" and similar
can be potentially dangerous without first checking if "mesh!=NULL" and if there is 4-th part
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| 09-13-2010 04:55 PM |
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Harry
Member
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RE: Strange error ;)
Error is even when I put this functions empty or only with __super. Error disappear only when I comment virtual void draw....() in structure. But I'll check it anyway.
Edit: Now error is only withe drawBlend() not comment.
EDIT2: I tried put everything from drawBlend to void Render() function and render it in RM_BLEND but I had error too.
(This post was last modified: 09-13-2010 09:31 PM by Harry.)
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| 09-13-2010 06:28 PM |
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Esenthel
Administrator
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RE: Strange error ;)
so this causes the freeze?
Code:
{virtual void drawBlend ();}
if(mesh && Frustum(mesh->box,matrix()))
{
if(MaterialPtr m= Game::World.hmMaterial(matrix().pos.xz()))
{
if(m->user_type==MUT_STONE)
{...
}else if(m->user_type==MUT_EARTH)
{...
}else if(m->user_type==MUT_MUD)
{...
}else if(m->user_type==MUT_SAND)
{...
}
}
}
}
please paste full code of this method
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| 09-15-2010 03:48 PM |
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Harry
Member
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RE: Strange error ;)
I found problems and fixed it. They are related to materials in drawBlend and drawPrepare functions:
1. In drawBlend() I changed this code:
Code:
if(MaterialPtr m= Game::World.hmMaterial(matrix().pos.xz()))
to
Code:
struct Car : Game::Item
{
MaterialPtr m;
...
};
void Car::drawBlend()
{
...
if(m= Game::World.hmMaterial(matrix().pos.xz()))
...
}
2. In drawPrepare from:
Code:
struct PoliceCar : Car
{
MaterialPtr frontlgt,
stoplgt;
}
void PoliceCar::drawPrepare()
{
...
if(frontLights)
{
frontlgt=mesh->part(4).material();
mesh->part(4).setMaterial(frontlgtG);
}
if(stopLights || frontLights)
{
stoplgt=mesh->part(3).material();
mesh->part(3).setMaterial(stoplgtG);
}
...
if(frontLights)
{
if(mesh->part(4).is())mesh->part(4).setMaterial(frontlgt);
}
if(stopLights || frontLights)
{
if(mesh->part(3).is())mesh->part(3).setMaterial(stoplgt);
}
...
}
to
Code:
struct PoliceCar : Car
{
MaterialPtr frontlgt,
stoplgt;
}
void PoliceCar::create(Game::ObjParams &obj)
{
...
frontlgt.require("...");
stoplgt.require("...");
...
}
void PoliceCar::drawPrepare()
{
...
if(frontLights)
{
mesh->part(4).setMaterial(frontlgtG);
}
if(stopLights || frontLights)
{
mesh->part(3).setMaterial(stoplgtG);
}
...
if(frontLights)
{
if(mesh->part(4).is())mesh->part(4).setMaterial(frontlgt);
}
if(stopLights || frontLights)
{
if(mesh->part(3).is())mesh->part(3).setMaterial(stoplgt);
}
...
}
I checked places where an error was occured about 10 times and everything works ok.
(This post was last modified: 09-15-2010 05:28 PM by Harry.)
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| 09-15-2010 05:24 PM |
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Esenthel
Administrator
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RE: [Solved]Strange error ;)
I think I know what's the problem, I've improved the codes to avoid this kind of issue.
Side note:
you'll have better performance when using MaterialLock instead of mesh_part. setMaterial, like this:
MaterialLock=material; mesh_part.draw(..)
MaterialLock=NULL;
also when I've said you're not checking if 4-th part exists,
I didn't mean something like this:
if(mesh->part(4).is())
but like this
if(InRange(4,mesh->parts()))
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| 09-15-2010 06:51 PM |
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Harry
Member
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RE: [Solved]Strange error ;)
Ok thanks for this  I'll update my codes.
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| 09-15-2010 07:02 PM |
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