User:Strife Onizuka
About Me
I'm an immigrant from URU. Was in all 3 of it's beta's.
Wiki Troll (but a good one, causing drama isn't why i'm here).
I have a webpage but haven't updated it in a few months...
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 controling it.
also contribute to some other wiki's History Wiki AviSynth: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).
Downloads
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| [Ganga] | [Preview] |
My Code
<lsl>string TightListDump(list a, string b) {
string c = (string)a;
if(llStringLength(b)==1)
if(llSubStringIndex(c,b) == -1)
jump end;
integer d = 1 - llStringLength(b += "|\\/?!@#$%^&*()_=:;~{}[],\n\" qQxXzZ");
while(1+llSubStringIndex(c,llGetSubString(b,d,d)) && d)
++d;
b = llGetSubString(b,d,d);
@end;
c = "";//save memory
return b + llDumpList2String(a, b);
}
list TightListParse(string a) {
string b = llGetSubString(a,0,0);//save memory return llParseStringKeepNulls(llDeleteSubString(a,0,0), [a=b],[]);
}
list quickread(string a) {
string c = llGetSubString(a,0,6);
return llDeleteSubList([a]+//a = llGetSubString(c,0,0) by this point
llParseStringKeepNulls(llDeleteSubString(a,0,5), [],[a=llGetSubString(c,0,0),
llGetSubString(c,1,1),llGetSubString(c,2,2),llGetSubString(c,3,3),
llGetSubString(c,4,4),llGetSubString(c,5,5)]),
(llSubStringIndex(c,llGetSubString(c,6,6))==-1),1);
}
integer TightListTypeLength(string a) {
return llGetListLength(quickread(a))/2;
}
integer TightListTypeEntryType(string a, integer b) {
string c = llGetSubString(a,0,6); a = llList2String(quickread(a), b * 2); return 1 + llSubStringIndex(c, a) - !llStringLength(a);
}
list TightListTypeParse(string a) {
if(llStringLength(a) < 7) return [];
string m = llGetSubString(a,0,6);
list b = quickread((a = "") + a);
integer c = -llGetListLength(b);
list f;
integer d;
do
{
f = [a = llList2String(b,c + 1)]; //TYPE_STRING || TYPE_INVALID (though we don't care about invalid)
if((d = (1 + llSubStringIndex(m, llList2String(b,c)))) == TYPE_FLOAT)
f = [(float)a];
else if(d == TYPE_VECTOR)
f = [(vector)a];
else if(d == TYPE_ROTATION)
f = [(rotation)a];
else if(d == TYPE_KEY)
f = [(key)a];
else if(d == TYPE_INTEGER)
f = [(integer)a];
b = llListReplaceList(b, f, c, c+1);
}while(0 > (c+=2));
return b;
}
string TightListTypeDump(list a, string b) {
b += "|\\/?!@#$%^&*()_=:;~{}[],\n\" qQxXzZ";
string c = (string)a;
integer d = 0;
do
if(1+llSubStringIndex(c,llGetSubString(b,d,d)))
b = llDeleteSubString(b,d,d);
else
++d;
while(d<6);
b = " " + c = llGetSubString(b,0,5);
integer e;
string f;
if((d = -llGetListLength(a)))
{
do
{
e = llGetListEntryType(a,d);
if(e == TYPE_VECTOR)
f = vec(llList2Vector(a,d));
else if(e == TYPE_ROTATION)
f = rot(llList2Rot(a,d));
else if(e == TYPE_FLOAT)
f = flo(llList2Float(a,d));
else
f = llList2String(a,d);
c+= llGetSubString(b,e,e) + f;
}while(++d);
}
return c;
}</lsl>
<lsl>integer fui(float a)
{//union float to integer
integer b = (a<0) << 31;
if(a)
{
if((a = llFabs(a)) < 1.1754943508222875079687365372222e-38)
return b | (integer)(a / 1.4012984643248170709237295832896e-45);
integer c = llFloor(llLog(a) / 0.69314718055994530941723212145818);
if(c > 127){c = 127;}
if((a /= (float)("0x1p"+(string)c)) < 1){a*=2; --c;}
return ((c + 127) << 23 ) | (integer)((a - 1) * 8388608.0) | b;
}
return ((string)a == (string)(-0.0)) << 31;
}
float iuf(integer a) {//union integer to float
integer c= (a >> 23) & 0xff;
float b = (a & 0x7fffff) * 1.1920928955078125e-7;
if(c == 0xff)
b = 1 / 0; //NaN or Infinity (since getting them crashes the script, thats we do).
else if(c)
b = (b + 1) * (float)("0x1p"+(string)(c - 127));
else
b = b * 1.1754943508222875079687365372222e-38;
return b * ((a >> 31) | 1);
}
string hexc="0123456789ABCDEF";
string int6hex(integer x) {
integer x0 = 0; string res = ""; integer c = 26; do res += llGetSubString(hexc,x0 = (x >> c-=4) & 0xf , x0); while(c); return res;
}
float iuf_alt(integer a) {//union integer to float
integer c = (a >> 23) & 0xff;
float b;
if(c == 0xff)
b = 1 / 0; //NaN or Infinity (since getting them crashes the script, thats we do).
else if(c)
b = (float)("0x1."+int6hex(a << 1)+"p"+(string)(c - 127));
else
b = (a & 0x7fffff) * 1.4012984643248170709237295832896e-45;
return b * ((a >> 31) | 1);
}</lsl>
<lsl>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;
}</lsl>
<lsl>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 < 0);
}</lsl>