Snow FS 0.1.3

#include <a_samp>
#include <streamer>
#include <zcmd>

#undef MAX_PLAYERS
#define MAX_SLOTS           -1

#define MAX_SNOW_OBJECTS    8
#define UPDATE_INTERVAL     750

#if MAX_SLOTS == -1
    #error Change MAX_SLOTS to the max players of your server! (At line 6)
#endif

#define ploop(%0)           for(new %0 = 0; %0 < MAX_SLOTS; %0++) if(IsPlayerConnected(%0))
#define CB:%0(%1)           forward %0(%1); public %0(%1)

new bool:snowOn[MAX_SLOTS char],
    snowObject[MAX_SLOTS][MAX_SNOW_OBJECTS],
    updateTimer[MAX_SLOTS char]
;

public OnFilterScriptExit()
{
    ploop(i)
    {
        if(snowOn{i})
        {
            for(new j = 0; j < MAX_SNOW_OBJECTS; j++) DestroyDynamicObject(snowObject[i][j]);
            KillTimer(updateTimer{i});
        }
    }
    return 1;
}

public OnPlayerDisconnect(playerid)
{
    if(snowOn{playerid})
    {
        for(new i = 0; i < MAX_SNOW_OBJECTS; i++) DestroyDynamicObject(snowObject[playerid][i]);
        snowOn{playerid} = false;
        KillTimer(updateTimer{playerid});
    }
    return 1;
}

CB:UpdateSnow(playerid)
{
    if(!snowOn{playerid}) return 0;
    new Float:pPos[3];
    GetPlayerPos(playerid, pPos[0], pPos[1], pPos[2]);
    for(new i = 0; i < MAX_SNOW_OBJECTS; i++) SetDynamicObjectPos(snowObject[playerid][i], pPos[0] + random(25), pPos[1] + random(25), pPos[2] - 5 + random(10));
    return 1;
}

stock CreateSnow(playerid)
{
    if(snowOn{playerid}) return 0;
    new Float:pPos[3];
    GetPlayerPos(playerid, pPos[0], pPos[1], pPos[2]);
    for(new i = 0; i < MAX_SNOW_OBJECTS; i++) snowObject[playerid][i] = CreateDynamicObject(18864, pPos[0] + random(25), pPos[1] + random (25), pPos[2] - 5 + random(10), random(280), random(280), 0, -1, -1, playerid);
    snowOn{playerid} = true;
    updateTimer{playerid} = SetTimerEx("UpdateSnow", UPDATE_INTERVAL, true, "i", playerid);
    return 1;
}

stock DeleteSnow(playerid)
{
    if(!snowOn{playerid}) return 0;
    for(new i = 0; i < MAX_SNOW_OBJECTS; i++) DestroyDynamicObject(snowObject[playerid][i]);
    KillTimer(updateTimer{playerid});
    snowOn{playerid} = false;
    return 1;
}

CMD:snow(playerid, params[])
{
    if(snowOn{playerid})
    {
        DeleteSnow(playerid);
        SendClientMessage(playerid, 0x00FF00AA, "* It's not snowing anymore now.");
    }
    else
    {
        CreateSnow(playerid);
        SendClientMessage(playerid, 0x00FF00AA, "* Let it snow, let it snow, let it snow!");
    }
    return 1;
}

CMD:allsnowon(playerid, params[])
{
    if(!IsPlayerAdmin(playerid)) return 0;
    ploop(i) //This is included in my FS! It's the '#define ploop(%0)' thing.
    {
        if(snowOn{i}) continue;
        CreateSnow(i);
    }
    return 1;
}

CMD:allsnowoff(playerid, params[])
{
    if(!IsPlayerAdmin(playerid)) return 0;
    ploop(i)
    {
        if(!snowOn{i}) continue;
        DeleteSnow(i);
    }
    return 1;
}