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classes reliableness

Fish HF · 2003-11-09T19:20:34

I''m currently writing a game in c++, after writing it for a few months, the compiler(m$vcpp6) is starting to mess up my compiled thing. Theres a map class which stores the triangles and has some loading code, when in the function that loads the triangles from the file, the variables in that class are ok, but then when it calls other methods in that class, the variables in the class were screwed up(isnt what it should be) and when i set the function inlining on, it''s normal. I was thinking if it''s better to use a struct for the variables in the class, and make methods outside the class like quake do. Will that save me from those m$ cpp bugs? thanks

General and Gameplay Programming Programming

Started by Fish HF November 07, 2003 03:00 AM

15 comments, last by Fish HF 20 years, 5 months ago

Structural

328

November 07, 2003 08:20 AM

Make sure you haven''t declared a variable with an equal name in the functions itself. I made this mistake a while ago, and it took me quite a while before I found it.
Also, if you the chance then check the value of the this-pointer.

STOP THE PLANET!! I WANT TO GET OFF!!

JuNC

236

November 07, 2003 11:59 AM

There are bugs in Visual C++ 6 even with sp5 (start here), however the chances of it being a bug in the compiler are about the same as aliens coming from Mars to wipe us all out.

If by some mad chance you have found a bug in the compiler, narrow it down to as small a code fragment as possible and submit it to Microsoft.

Fish HF

114

Author

November 07, 2003 10:06 PM

Your right, it sometimes happen, but now it disappeared...
Isn't vs6 isn't supported anymore? I thought they won't make patches anymore...

[edited by - Fish HF on November 7, 2003 11:07:34 PM]

Fruny

1,658

November 07, 2003 10:26 PM

quote:Original post by Fish HF
Your right, it sometimes happen, but now it disappeared...
Isn''t vs6 isn''t supported anymore? I thought they won''t make patches anymore...

"Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." — Brian W. Kernighan

208

November 08, 2003 08:19 PM

Fish, could you post a code snippet with the problem? I once had a problem with a struct that used a constructor which wasn''t called for some unknown reason. The moment I changed struct to a class the problem went away. The other problem I had which was entirely my fault was that I used a ''min'' as a name for a function parameter. Took me a while to figure that one out. Those win os macros bite. On unrelated note, I don''t think you should abandon c++ OOP because of your problem. Like some poster said, do a full rebuild of your project and post some code snippets giving you the trouble so we can figure the problem out.

Forged3D world editor

Fish HF

114

Author

November 09, 2003 02:06 AM

The problem is disappeared now, I think it''s the vector that may be causing the problem.
thanks

208

November 09, 2003 07:20 PM

Make sure the vector doesn''t have a virtual table pointer in it. It adds 4 extra bytes to the vector which can screw up the vertex stride for the gfx api. Just throwing some ideas around.

Forged3D world editor

classes reliableness

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