FASM 1K OpenGL Intro "iN THE MiST OF WEB"

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Tyler Durden

Joined: 24 Feb 2004
Posts: 50

Tyler Durden

Hi, I'm wrote an 1K OpenGL intro in FASM. All the sources included
download it here (if it downloads "download.php" rename it to "*.zip", it's because of stupid download.php script, I'll fix it later)

P.S. Now only included WinXP SP1 version, and SAFE (all win32 versions) one...

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Last edited by Tyler Durden on 17 Feb 2005, 13:14; edited 1 time in total

17 Feb 2005, 11:04

MCD

Joined: 21 Aug 2004
Posts: 604
Location: Germany

MCD

Nice "3D" Demo. But horrible syntax, e.g. no tabbing for instructions. ugh!

17 Feb 2005, 11:38

Tyler Durden

Joined: 24 Feb 2004
Posts: 50

Tyler Durden

Tabs sucks ! Wink

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17 Feb 2005, 13:14

f0dder

Joined: 19 Feb 2004
Posts: 3170
Location: Denmark

f0dder

safe.exe crashes on XP SP2...

17 Feb 2005, 17:50

asmdemon

Joined: 18 Jan 2004
Posts: 97
Location: Virginia Beach, VA

asmdemon

works fine on my XP SP2

17 Feb 2005, 22:44

MCD

Joined: 21 Aug 2004
Posts: 604
Location: Germany

MCD

works fine on my XP SP2 too

18 Feb 2005, 11:12

Madis731

Joined: 25 Sep 2003
Posts: 2140
Location: Estonia

Madis731

Works in XP SP1/2, Win2K, 98SE fine - only slow in the beginning ~100frames it becomes faster I don't know what code is behind all this but impressive Very Happy

18 Feb 2005, 12:12

Tyler Durden

Joined: 24 Feb 2004
Posts: 50

Tyler Durden

"This" includes all sources in the "sources" directory, inside the archive Wink

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18 Feb 2005, 19:30

rambo

Joined: 28 Feb 2005
Posts: 22
Location: posen, poland

rambo

1) instead of "ShowCursor", use "SetCursor" with the same parameter.

2) floats. don`t define any constat-float in data section! if you want push some float on stack do like that:

Code:

push float_value

if you`re using float, eg. 0.55, two times, you can do like that

Code:

push float_value
..
push float_value

or:

some_value equ $+1
push float_value
..
push dword ptr [some_value]

3) found in your source:

Code:

zDelta dd 0.02
colorMul dd 0.02

i think, that you know, what`s wrong..

4) you haven`t to use:

Code:

invoke ChangeDisplaySettings,ebx,ebx

at program`s end. windows will restore window after "ExitProcess" call.

5)

Code:

invoke GetAsyncKeyState,VK_ESCAPE
test eax,eax
jz .draw

may be replaced with:

Code:

invoke GetAsyncKeyState,VK_ESCAPE
aaa
jz .draw

1 byte less :)

6) you can also write pre-packer of all hard-coded floats (float2word), but it`s good only for intros with 3d models and a lot of dwords..

7) on pouet.net in comments, i told, that you haven`t to fill dev_mode struct. it`s true. only thing, that you should do, is hardcode that struct, and then just put offset to that.. it`s smaller, and additionally you may mix that struct with pixel_format.. i did like that in my 4k framework. there is much more tricks to strip-down final output.

03 Mar 2005, 11:19

Tyler Durden

Joined: 24 Feb 2004
Posts: 50

Tyler Durden

the same
the same
just an "old version" stuff, in the "exe" there is no "0.02,0.02" only one of it
someone said "after exit resolution is badly changed" in "god put a smile upon your face" intro, so I change it "that's way"
much bigger (we packing with "cab" the resulting file's size depends on data/code "packable" placement)
the "hardcoded" stuff doesn't substruct any bytes from the resulting "cab"
and IT'S ALLREADY 1023b Wink

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04 Mar 2005, 06:54

crackrock

Joined: 09 Apr 2005
Posts: 3

crackrock

freakin' sweet demo. works fine on my athlon 2600, winxp, gf4 machine

10 Apr 2005, 00:03

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