Difference between revisions of "User:Strife Onizuka"

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<div style="float:right;">__TOC__</div>
<div style="float:right;"><videoflash>hTIsIjZCvHk</videoflash></div>
<div style="float:right; clear:right; border:1px solid #AAAAAA; margin-top:8px; background-color:white;"><div style="margin: 0 8px;">
'''Subpages'''
* Personal
** {{Sub|Miscellaneous}}
* Code
** {{Sub|int2hex}}
** {{Sub|int2hexdword}}
** {{Sub|hexchars}}
** {{Sub|Float Functions}}
** {{Sub|String Tree}}
** [[GetRootLocalPos]]
* Articles
** {{Sub|The State of State}}
</div></div>
{{RightToc|clear:right;}}
{| class="sortable" {{prettytable|style=float:right; clear:right; margin:0;}}
|- {{Hl2}}
! | Updates:
! class="unsortable" | Preview
{{/Grid|DMZ}}
{{/Grid|Agni}}
{{/Grid|Colo|strike=*}}
{{/Grid|Siva}}
{{/Grid|Durga}}
{{/Grid|Aditi}}
{{/Grid|Soma}}
{{/Grid|Ganga}}
{{/Grid|Uma}}
{{/Grid|Shakti}}
{{/Grid|Vaak}}
{{/Grid|Mohini}}
{{/Grid|Yami}}
{{/Grid|Nandi}}
{{/Grid|Mitra}}
{{/Grid|Radha}}
{{/Grid|Ravi}}
{{/Grid|Aruna}}
{{/Grid|Damballah}}
{{/Grid|Bharati}}
{{/Grid|Chandra}}
{{/Grid|Danu}}
{{/Grid|Parvati}}
{{/Grid|Skanda}}
|}
 
== About Strife ==
 
=== Synopses ===


== Scite/ESL ==  
Strife joined 3/3/2004, and is an avid scripter, wiki author and SL forum denizen. Not content in selfish information gathering, he shares what he knows through various mediums, so that others may benefit and learn. He volunteers his time to work on many public projects which include: giving scripting advice, writing LSL documentation, providing and improving LSL scripts and libraries. Secondlife has been on Strife's brain for that last {{AgeUnit|03|03|2004}}.
My config files:
 
*[http://mailerdaemon.home.comcast.net/lsl.api lsl.api]
=== SL Status ===
*[http://mailerdaemon.home.comcast.net/lsl.properties lsl.properties]
 
*[http://mailerdaemon.home.comcast.net/stripper.zip stripper.zip - Whitespace stripper]
Strife is unemployed. Leave me a note on my talk page.
*[http://mailerdaemon.home.comcast.net/clipboard.zip clipboard - copies text to clipboard]
 
*[http://w-hat.com/lslint lslint]
=== Honors ===
*[http://gnuwin32.sourceforge.net/packages/indent.htm indent - code beautifier] (picks up where the whitespace stripper leaves off)
 
*[http://msdn.microsoft.com/vstudio/express/visualc/ MSVC Express]
Through his public works Strife became a pillar of the SL community.
 
<!-- please see http://en.wikipedia.org/wiki/Wikipedia:Barnstars for the motivation here -->
Strife is a Hippo award winner, [http://blog.secondlife.com/2007/08/25/innovation-award-winners-announced/ awarded "Best Community Organizer" in the 2007 Linden Lab Innovation Awards], and here is [[Linden Lab Innovation Awards|his mention as a runner-up in the 2008 "Best Documentation" category:]] "Last year's winner, Strife Onizuka, continued to be insanely prolific, with thousands of edits over the past year.... Anyone learning LSL is almost certainly indebted to Strife's work in some way."
 
=== Own Words ===


==About Me ==
I'm an immigrant from URU. Was in all 3 of it's beta's.
I'm an immigrant from URU. Was in all 3 of it's beta's.


Wiki Gnome (causing drama isn't why I'm here).
Wiki Gnome (causing drama isn't why I'm here) for about {{#expr:(({{ #time: U | {{LOCALDAY2}}.{{LOCALMONTH}}.{{LOCALYEAR}} }} - {{ #time: U | 3.3.2004 }}) / 31557600) round 0}} years.


I have a webpage but haven't updated it in a few months...
I <del>have</del><ins>had</ins> a webpage but I haven't updated it in <del>a few</del><ins>many</ins> <del>months</del><ins>years</ins>...


Wiki's are the way of the future when it comes to making documentation Ad-hoc but eventually become static as graffiti grows with popularity as a way of controlling it.
Wiki's are the way of the future when it comes to making documentation Ad-hoc. With popularity graffiti becomes a worsening problem. The wiki owner is left between a rock and a hard place: cope with graffiti edits or cope with out-of-data information. The popular choice is to restrict editing, which ultimately drives away legitimate editors.


also contribute to some other wiki's
I also contribute to some other wikis:
[http://history.secondserver.net/index.php/Main_Page History Wiki]
*[http://history.secondserver.net/index.php/Main_Page History Wiki]
[http://www.AviSynth.org/BlindWanderer AviSynth:BlindWanderer]
*[http://www.AviSynth.org/BlindWanderer AviSynth:BlindWanderer]
*[http://en.wikipedia.org/wiki/User:BlindWanderer Wikipedia:BlindWanderer]


When it comes to writing I tend to go towards concise. A short accurate description is better then a long equally accurate description; less to get confused with, easier to find the important information (because it is ''all'' important).
When it comes to writing I tend to go towards concise. A short accurate description is better then a long equally accurate description; less to get confused with, easier to find the important information (because it is ''all'' important).


{{Jira Reporter}}
{{Jira Reporter}}
{{visl
{{skills
|name=Strife Onizuka
|Greeters=
|Helpers=
|Instructors=
|Mentors=
|LSL=*
|Builder=*
|Builder=*
|Scripter=*
|Scripter=*
|i18n=
|l10n=
|SL4B=
|}}
|}}


==Downloads==
== Scite/ESL ==  
 
My config files:  
{|style="padding:2px;" border="1" cellspacing="0" valign="top"
*[https://drive.google.com/folderview?id=0B78L5DGHe6YrV2FFWlE2VTJ4S28&usp=sharing Google Drive]
|-{{Hl2}}
** lsl.api
!Updates:
** lsl.properties
!Preview Download
** stripper.zip - Whitespace stripper
|-
** clipboard.zip - copies text to clipboard
|[[http://secondlife.com/update.php?userserver=userserver.dmz.lindenlab.com  DMZ]]
*[https://github.com/Makopo/lslint lslint] (Makopo's fork)
|[[http://secondlife.com/preview/download-preview.php?os=windows&grid=DMZ  Preview]]
**[http://kwdb.googlecode.com/hg/outputs/builtins.txt builtins.txt] - Up to date keyword file for lslint (generated by [http://code.google.com/p/kwdb/ kwdb])
|-
*[http://gnuwin32.sourceforge.net/packages/indent.htm indent - code beautifier] (picks up where the whitespace stripper leaves off)
|[[http://secondlife.com/update.php?userserver=userserver.agni.lindenlab.com  Agni]]
*[http://msdn.microsoft.com/vstudio/express/visualc/ MSVC Express]
|[[http://secondlife.com/preview/download-preview.php?os=windows&grid=AGNI  Preview]]
|-
|<s>[[http://secondlife.com/update.php?userserver=userserver.colo.lindenlab.com  Colo]]</s>
|<s>[[http://secondlife.com/preview/download-preview.php?os=windows&grid=COLO  Preview]]</s>
|-
|[[http://secondlife.com/update.php?userserver=userserver.siva.lindenlab.com  Siva]]
|[[http://secondlife.com/preview/download-preview.php?os=windows&grid=SIVA  Preview]]
|-
|[[http://secondlife.com/update.php?userserver=userserver.durga.lindenlab.com Durga]]
|[[http://secondlife.com/preview/download-preview.php?os=windows&grid=DURGA  Preview]]
|-
|[[http://secondlife.com/update.php?userserver=userserver.aditi.lindenlab.com  Aditi]]
|[[http://secondlife.com/preview/download-preview.php?os=windows&grid=ADITI  Preview]]
|-
|[[http://secondlife.com/update.php?userserver=userserver.soma.lindenlab.com Soma]]
|[[http://secondlife.com/preview/download-preview.php?os=windows&grid=SOMA  Preview]]
|-
|[[http://secondlife.com/update.php?userserver=userserver.ganga.lindenlab.com  Ganga]]
|[[http://secondlife.com/preview/download-preview.php?os=windows&grid=GANGA  Preview]]
|-
|[[http://secondlife.com/update.php?userserver=userserver.uma.lindenlab.com Uma]]
|[[http://secondlife.com/preview/download-preview.php?os=windows&grid=UMA Preview]]
|}


==TightList==
==TightList==
See [[TightList]]
See [[TightList]]


==Float {{LSL_VR|-Union-}} Integer==
==Float Functions==
<pre>
See [[/Float Functions]]
integer fui(float a){//union float to integer
    if(a){//is it non zero?
        integer b = (a < 0) << 31;//the sign, but later this variable is reused to store the shift
        if((a = llFabs(a)) < 2.3509887016445750159374730744445e-38)//Denormalized range check & last stirde of normalized range
            return b | (integer)(a / 1.4012984643248170709237295832899e-45);//this works because the math overlaps; saves cpu time.
        integer c = llFloor(llLog(a) / 0.69314718055994530941723212145818);//extremes will error towards extreme. following yuch corrects it.
        return (0x7FFFFF & (integer)(a * (0x1000000 >> b))) | (((c + 126 + (b = ((integer)a - (3 <= (a /= (float)("0x1p"+(string)(c -= (c == 128)))))))) << 23 ) | b);
    }//for grins, detect the sign on zero. it's not pretty but it works. the previous requires alot of unwinding to understand it.
    return ((string)a == (string)(-0.0)) << 31;
}


float iuf(integer a)
==BitCount==
{//union integer to float
<syntaxhighlight lang="lsl2">integer bitcount(integer n)
     return ((float)("0x1p"+(string)((a | !a) - 150))) * ((!!(a = (0xff & (a >> 23))) << 23) | ((a & 0x7fffff))) * (1 | (a >> 31));
{//MIT Hackmem 169, modified to work in LSL
}//will crash if the raw exponent == 0xff; reason for crash deviates from float standard; though a crash is warented.
     integer tmp = n - ((n >> 1) & 0x5B6DB6DB)//modified mask
</pre>
                    - ((n >> 2) & 0x49249249);
    return (((tmp + (tmp >> 3)) & 0xC71C71C7) % 63) - (n >> 31);
}</syntaxhighlight>


As a specialized mode of transport, this is faster the [[Float2Hex]] and just as lossless.
==Tenebrous==
<pre>
<syntaxhighlight lang="lsl2">string ignore = "c228d1cf-4b5d-4ba8-84f4-899a0796aa97";
string fuis(float a){//float union to base64ed integer
    if(a){//is it non zero?
list Tenebrous(){
        integer b = (a < 0) << 31;//the sign, but later this variable is reused to store the shift
     integer link = llGetNumberOfPrims();
        if((a = llFabs(a)) < 2.3509887016445750159374730744445e-38)//Denormalized range check & last stirde of normalized range
     list out;
            b = b | (integer)(a / 1.4012984643248170709237295832899e-45);//the math overlaps; saves cpu time.
    string s;
        else
    for(link -= (link == 1); !llGetLinkNumberOfSides(link);)
        {
            integer c = llFloor(llLog(a) / 0.69314718055994530941723212145818);//extremes will error towards extremes. following yuch corrects it.
            b = (0x7FFFFF & (integer)(a * (0x1000000 >> b))) | (((c + 126 + (b = ((integer)a - (3 <= (a /= (float)("0x1p"+(string)(c -= (c == 128)))))))) << 23 ) | b);
        }
        return llGetSubString(llIntegerToBase64(b),0,5)
    }//for grins, detect the sign on zero. it's not pretty but it works. the previous requires alot of unwinding to understand it.
    if((string)a == (string)(0.0))
        return "AAAAAA";
    return "gAAAAA";
}
 
float siuf(string b)
{//base64ed integer union to float
     integer a = llBase64ToInteger(b);
     return ((float)("0x1p"+(string)((a | !a) - 150))) * ((!!(a = (0xff & (a >> 23))) << 23) | ((a & 0x7fffff))) * (1 | (a >> 31));
}//will crash if the raw exponent == 0xff; reason for crash deviates from float standard; though a crash is warented.
</pre>
 
==Float Compare==
<pre>integer FloatCompare(float a, float b, integer c)
{//compare floats and allow for a margin of error, requires fui().
    if(a - b)//(c) Strife Onizuka 2006
    {//they are not equal
        //First we convert the floats to integer form, as they would be in memory;
        integer a_i = fui(a);
        integer b_i = fui(b);
        integer a_e = (a_i >> 23) & 0xff;
        integer b_e = (b_i >> 23) & 0xff;
        if(!(a_e || b_e) || //to disable the +/- roll under support put a // just before the !
            ((a_i & 0x80000000) == (b_i & 0x80000000)))//sign match check
        {//start by getting and testing the difference, this is what limits c
            integer diff = a_e - b_e;//ugly is fast, basicly, it gets the mantissa, sets the sign on the mantisa,
            if(diff >= -1 || diff <= 1)//shifts it depending on exponent, finaly executes the test.
                if(llAbs(((((a_i & 0x7FFFFF) | (!!a_e << 23)) * ((a_i >> 31) | 1)) >> !~-diff) -
                        ((((b_i & 0x7FFFFF) | (!!b_e << 23)) * ((b_i >> 31) | 1)) >> !~diff)) <= c)
                    jump out;
        }
        return (a > b) - (a < b);
    }
    @out;
    return 0;
}</pre>
 
==FUI2HexFloat ==
<pre>
string FUI2HexFloat(integer b)
{//Dump FUI float-integer to a hex-float string
    string c = "";
    integer d = 0;
    integer e = 0xff & (b >> 23);
    string f = "0x"+(string)(!!e) + ".";
    if(b & 0x80000000)
        f = "-"+ f;
    if(e ^ 127) c = "p" + (string)((e | !e) - 127);
    if((e = 0xfffffe & (b << 1)))
     {
     {
         while(!((e >> d) & 0xf))
         list t = llGetLinkPrimitiveParams(link, [PRIM_TEXTURE, ALL_SIDES]);
            d+=4;
        integer i = t != [];
         while(d < 24)
         while((i -= 4) >= 0)
        {
             if(ignore != (s = llList2String(t, i)))
             c = llGetSubString(hexc, b = 0xf & (e >> d), b) + c;
                out = [i >> 2, s] + out;
            d += 4;
        out = llGetLinkKey(link--) + out;
        }
     }
     }
     return f + c;
     return out;
}
}</syntaxhighlight>


string Float2Hex(float a)
{{visl
{//Another way to do Float2Hex, i wrote this for the heck of it; not because it's a good idea.
|name=Strife Onizuka
    return FUI2HexFloat(fui(a));
|Greeters=
}
|Helpers=
</pre>
|Instructors=
 
|Mentors=
==BitCount==
|LSL=*
<pre>integer bitcount(integer n)
|i18n=
{//MIT Hackmem 169, modified to work in LSL
|l10n=
    integer tmp = n - ((n >> 1) & 0x5B6DB6DB)//modified mask
|SL4B=
                    - ((n >> 2) & 0x49249249);
|}}
    return (((tmp + (tmp >> 3)) & 0xC71C71C7) % 63) + (n < 0);
[[Category:SL Certification Participant|{{PAGENAME}}]]
}</pre>
[[Category:User pages in need of haiku|{{PAGENAME}}]]

Latest revision as of 16:26, 3 February 2023

<videoflash>hTIsIjZCvHk</videoflash>
Updates: Preview
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About Strife

Synopses

Strife joined 3/3/2004, and is an avid scripter, wiki author and SL forum denizen. Not content in selfish information gathering, he shares what he knows through various mediums, so that others may benefit and learn. He volunteers his time to work on many public projects which include: giving scripting advice, writing LSL documentation, providing and improving LSL scripts and libraries. Secondlife has been on Strife's brain for that last 2 decades.

SL Status

Strife is unemployed. Leave me a note on my talk page.

Honors

Through his public works Strife became a pillar of the SL community.

Strife is a Hippo award winner, awarded "Best Community Organizer" in the 2007 Linden Lab Innovation Awards, and here is his mention as a runner-up in the 2008 "Best Documentation" category: "Last year's winner, Strife Onizuka, continued to be insanely prolific, with thousands of edits over the past year.... Anyone learning LSL is almost certainly indebted to Strife's work in some way."

Own Words

I'm an immigrant from URU. Was in all 3 of it's beta's.

Wiki Gnome (causing drama isn't why I'm here) for about 20 years.

I havehad a webpage but I haven't updated it in a fewmany monthsyears...

Wiki's are the way of the future when it comes to making documentation Ad-hoc. With popularity graffiti becomes a worsening problem. The wiki owner is left between a rock and a hard place: cope with graffiti edits or cope with out-of-data information. The popular choice is to restrict editing, which ultimately drives away legitimate editors.

I also contribute to some other wikis:

When it comes to writing I tend to go towards concise. A short accurate description is better then a long equally accurate description; less to get confused with, easier to find the important information (because it is all important).

View the issues Strife Onizuka has filed at jira.secondlife.com

Scite/ESL

My config files:

TightList

See TightList

Float Functions

See /Float Functions

BitCount

integer bitcount(integer n)
{//MIT Hackmem 169, modified to work in LSL
    integer tmp = n - ((n >> 1) & 0x5B6DB6DB)//modified mask
                    - ((n >> 2) & 0x49249249);
    return (((tmp + (tmp >> 3)) & 0xC71C71C7) % 63) - (n >> 31);
}

Tenebrous

string ignore = "c228d1cf-4b5d-4ba8-84f4-899a0796aa97";
 
list Tenebrous(){
    integer link = llGetNumberOfPrims();
    list out;
    string s;
    for(link -= (link == 1); !llGetLinkNumberOfSides(link);)
    {
        list t = llGetLinkPrimitiveParams(link, [PRIM_TEXTURE, ALL_SIDES]);
        integer i = t != [];
        while((i -= 4) >= 0)
            if(ignore != (s = llList2String(t, i)))
                out = [i >> 2, s] + out;
        out = llGetLinkKey(link--) + out;
    }
    return out;
}
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