Useful Functions - Printable Version

Useful Functions - Printable Version

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+--- Thread: Useful Functions (/showthread.php?tid=38965)

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Re: Useful Functions - RyDeR` - 18.09.2010

Info
This function converts a number to a string seperated with commas.

Function

pawn Код:

stock FormatNumber(iNum, const szChar[] = ",")
{
    new
        szStr[16]
    ;
    format(szStr, sizeof(szStr), "%d", iNum);
    
    for(new iLen = strlen(szStr) - 3; iLen > 0; iLen -= 3)
    {
        strins(szStr, szChar, iLen);
    }
    return szStr;
}

Example

pawn Код:

printf("%s", FormatNumber(50000000));

will become:

pawn Код:

"50,000,000"

Note
Please note that you can't go over value 2147483647 because that's the integer limit; I also have no idea how to increase. An altirnative solution is to use the value as a string.

Re: Useful Functions - GaGlets(R) - 18.09.2010

Can someone make a little hash or replacement code. For example i want it for password..

if there is any "a" then use "c" etc.. .

Password: amana - would be - cmcnc

Im too lazy to figure it out by myself

Re: Useful Functions - [03]Garsino - 18.09.2010

Mind showing me 1 of the object loading lines in the file?

Re: Useful Functions - [03]Garsino - 18.09.2010

shouldn't it be sscanf(line, "'('p<,>dffffff", modelid, px, py, pz, rx, ry, rz');'", modelid, px, py, pz, rx, ry, rz);

Re: Useful Functions - Kyosaur - 18.09.2010

Quote:

Originally Posted by [HLF]Southclaw

Yeah I did that, still not loading properly

pawn Код:

sscanf(line, "'('p<,>dffffff');'", modelid, px, py, pz, rx, ry, rz);

Edit: Working now, I removed the brackets now, it's just the data.

I have to do search and replace and remove the function name and brackets but at least it works now

pretty much the same as the original code

pawn Код:

stock LoadDynamicObjectsFromFile(filename[])
{
    new File:file_ptr, line[300], modelid, Float:px, Float:py, Float:pz, Float:rx, Float:ry, Float:rz;
    file_ptr=fopen(filename, io_read);
    if(!file_ptr)return printf("ERROR! File %s Doesn't Exist", filename);
    while(fread(file_ptr, line)>0)
    {
        sscanf(line, "p<,>dffffff", modelid, px, py, pz, rx, ry, rz);
        CreateDynamicObject(modelid, px, py, pz, rx, ry, rz);

        printf("%d, %f, %f, %f, %f, %f, %f", modelid, px, py, pz, rx, ry, rz);
        printf("%s", line);
    }
    return 1;
}

Using sscanf without checking for errors is a really bad idea. You should shove it in an if statement, that way your not just assuming that everything parsed correctly.

Re: Useful Functions - [03]Garsino - 18.09.2010

pawn Код:

if(!sscanf(line, "p<,>dffffff", modelid, px, py, pz, rx, ry, rz))
{
// Creating object etc
}
else // error

Re: Useful Functions - smeti - 19.09.2010

Quote:

Originally Posted by RyDeR`

Info
This function converts a number to a string seperated with commas.

Function

pawn Код:

stock convertNumber(value)
{
    new
        string[24]
    ;
    format(string, sizeof(string), "%d", value);
    
    for(new i = (strlen(string) - 3); i > (value < 0 ? 1 : 0) ; i -= 3)
    {
        strins(string[i], ",", 0);
    }
    return string;
}

Example

pawn Код:

printf("%s", convertNumber(50000000));

will become:

pawn Код:

"50,000,000"

Note
Please note that you can't go over value 2147483647 because that's the integer limit; I also have no idea how to increase. An altirnative solution is to use the value as a string.

Nice.

Try:http://forum.sa-mp.com/showpost.php?...&postcount=966

Re: Useful Functions - RyDeR` - 19.09.2010

@smeti:
Ah, never tried in the negative way.. But no problem, it's fixable.
I will fix as quick as possible.

EDIT: Fixed. You can try again if you wish. Also can you please delete the quote? Because the wrong code is in there.

pawn Код:

stock convertNumber(value)
{
    new
        string[24]
    ;
    format(string, sizeof(string), "%d", value);
    
    for(new i = (strlen(string) - 3); i > (value < 0 ? 1 : 0) ; i -= 3)
    {
        strins(string[i], ",", 0);
    }
    return string;
}

https://sampforum.blast.hk/showthread.php?tid=38965&p=843781

Re: Useful Functions - [03]Garsino - 19.09.2010

Nice function!
it's spelled negative btw

Re: Useful Functions - RyDeR` - 19.09.2010

I use these ones:

stringToBool:

pawn Код:

stock stringToBool(boolean[])
{
    new
        bools[2][7] =
        {
            "false",
            "true"
        }
    ;
    if(!strcmp(boolean, bools[1], true)) return true;
    return false;
}

boolToString:

pawn Код:

stock boolToString(boolean)
{
    new
        bools[2][7] =
        {
            "false",
            "true"
        }
    ;
    return bools[boolean];
}

Re: Useful Functions - Luka P. - 19.09.2010

date() function - returns a current date in the following format: "day of month, year".. for today it would be "19th of September, 2010"...

Here you go: http://pastebin.com/SWLR7HuK

Re: Useful Functions - RyDeR` - 19.09.2010

Info
Reverses a string.

Code

pawn Код:

stock reverseString(input[])
{
    new
        string[128]
    ;
    for(new x = (strlen(input) - 1), i = x; i > -1; i--)
    {
        string[x - i] = input[i];
    }
    return string;
}

Example

pawn Код:

printf("%s", reverseString("Testing my reverseString function!"));

will return:

pawn Код:

!noitcnuf gnirtSesrever ym gnitseT

Re: Useful Functions - LarzI - 19.09.2010

Nice one!

Re: Useful Functions - smeti - 19.09.2010

Quote:

Originally Posted by Luka P.

date() function - returns a current date in the following format: "day of month, year".. for today it would be "19th of September, 2010"...

Here you go: http://pastebin.com/SWLR7HuK

@Luka P.

pawn Код:

stock
    date()
{
    new
        _month[][] = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" },
        _day[][] = { "st", "nd", "rd", "th" },
        day,
        month,
        year,
        output[24];
        
    getdate(year, month, day);
    format(output, sizeof output, "%d%s of %s, %i", day, (day > 3)?(_day[3]):(_day[day-1]), _month[month-1], year);
    return output;
}

Re: Useful Functions - SlashPT - 20.09.2010

ohh so it divides by the lowest number and the remainder its what gives?

ps added you on msn if you wanna talk... :P

ps 2: ITS MY 1000 POST HEHE

Re: Useful Functions - RyDeR` - 20.09.2010

Alright.

Here's a better example (this will make you understand it better):
(10 % 5)

Code:

 10  |_5___
-10  | 2
___  |
 0   |

Do you still remember this from the very beginning of school?

Let's say that example in words:
How many times can 5 join 10? 2 times. So 2.5 = 10 ; (also we write this (2) on the right side under the divider). Then you need to substract it so 10 -10 = 0. The remainder is 0.

Here's another example:
(4 % 3)

Code:

 4  |_3___
-3  | 1
___ |
 1  |

In words:
How many times can 3 join 4? 1 time. So 1.3 = 3 ; (don't forgot to write this (1) on the right side under the divider). Then you need to substract from it so 4 - 3 = 1. The remainder is 1.

Re: Useful Functions - SlashPT - 20.09.2010

yea what i said thanks buddy and keep the good work...

Re: Useful Functions - RyDeR` - 20.09.2010

Quote:

Originally Posted by DarK TeaM PT

yea what i said thanks buddy and keep the good work...

No problem, and thanks ^^

Re: Useful Functions - SlashPT - 20.09.2010

hehe y_less this i already expected... :P but thanks for the explanation anyways

Ryder see this one based on SetSpeed i did a GetSpeed

pawn Code:

new
    Float:poskm[3]
;

cmd(speed,playerid,params[])
{
    new
        string[35]
    ;
     format(string, sizeof string, "Speed: KMH %d MPH %d",GetSpeed(playerid, 1),GetSpeed(playerid, 0));
     SendClientMessage(playerid, 0xF60000AA, string);
    return 1;
}

stock
    GetSpeed(playerid, mode = 1)
{
    if(IsPlayerInAnyVehicle(playerid))
    {
        GetVehicleVelocity(GetPlayerVehicleID(playerid), poskm[0], poskm[1], poskm[2]);
        return floatround(((!mode) ? floatmul(floatsqroot(floatadd(floatadd(floatpower(poskm[0], 2), floatpower(poskm[1], 2)),  floatpower(poskm[2], 2))), 105.0) : floatmul(floatsqroot(floatadd(floatadd(floatpower(poskm[0], 2), floatpower(poskm[1], 2)),  floatpower(poskm[2], 2))), 170.0)) * 1);
    }
    else
        return false;
}

Tested and worked if you want theres all you need to test :P

Mode 1 = KMH

Mode 0 = MPH

EDIT : SOmethings confused with my GM xD

Re: Useful Functions - RyDeR` - 20.09.2010

@Y_Less:
I'm sorry - I'm not good in explain as you are.
Maybe it wasn't clear but enough to understand what the '%' operator does.