Spikes

#define FILTERSCRIPT

#include <a_samp>

#define dcmd(%1,%2,%3) if ((strcmp((%3)[1], #%1, true, (%2)) == 0) && ((((%3)[(%2) + 1] == 0) && (dcmd_%1(playerid, "")))||(((%3)[(%2) + 1] == 32) && (dcmd_%1(playerid, (%3)[(%2) + 2]))))) return 1
#define color_g 0x9EC73DAA
#define color_r 0xAA3333AA

new Roads[MAX_PLAYERS][2];
new panels, doors, lights, tires;

public OnFilterScriptInit()
{
    print("-| Spike Strip Script By Elorreli! |-");
    return 1;
}

public OnFilterScriptExit()
{
    return 1;
}

public OnPlayerCommandText(playerid, cmdtext[])
{
    dcmd(rsp, 5, cmdtext);
    return 0;
}

public OnPlayerConnect(playerid)
{
    Roads[playerid][0] = -1, Roads[playerid][1] = -1;
    return 1;
}

dcmd_spike(playerid, params[])
{
    new option[4], Float:pos[4];
    if(IsPlayerInAnyVehicle(playerid)) return SendClientMessage(playerid, color_r, "You can't be in a vehicle when placing road spikes!");
    if(sscanf(params,"s", option)) return SendClientMessage(playerid,color_g,"Usage: /rs [On/Off]");
    if(strcmp(option,"on",true) == 0)
    {
        if(Roads[playerid][1] != -1) return SendClientMessage(playerid, color_r, "You already have your road spikes deployed!");
        GetPlayerPos(playerid, pos[0], pos[1], pos[2]);
        GetPlayerFacingAngle(playerid, pos[3]);
        Roads[playerid][0] = CreatePickup(0, 14, pos[0], pos[1], pos[2], -1);
        Roads[playerid][1] = CreateObject(983, pos[0], pos[1], pos[2]-1.6, 0.0, 0.0, pos[3]+90);
        SendClientMessage(playerid, color_g, "Road spikes placed, they will be auto removed when a vehicle hit it or when you use /spike off.");
        return 1;
    }
    if(strcmp(option,"off",true) == 0)
    {
        DestroyPickup(Roads[playerid][0]);
        DestroyObject(Roads[playerid][1]);
        Roads[playerid][0] = -1, Roads[playerid][1] = -1;
        SendClientMessage(playerid, color_g, "Road spikes removed.");
        return 1;
    }
    return 1;
}

public OnPlayerPickUpPickup(playerid, pickupid)
{
    new vehicleid = GetPlayerVehicleID(playerid);
    if(IsPlayerInAnyVehicle(playerid))
    {
      for(new i=0; i<MAX_PLAYERS; i++)
      {
         if(pickupid == Roads[i][0])
         {
            GetVehicleDamageStatus(vehicleid, panels, doors, lights, tires);
            UpdateVehicleDamageStatus(vehicleid, panels, doors, lights, 15);
            DestroyObject(Roads[i][1]), DestroyPickup(Roads[i][0]);
            Roads[i][1] = -1, Roads[i][0] = -1;
         }
      }
    }
    return 1;
}

stock sscanf(string[], format[], {Float,_}:...)
{
    #if defined isnull
        if (isnull(string))
    #else
        if (string[0] == 0 || (string[0] == 1 && string[1] == 0))
    #endif
        {
            return format[0];
        }
    #pragma tabsize 4
    new
        formatPos = 0,
        stringPos = 0,
        paramPos = 2,
        paramCount = numargs(),
        delim = ' ';
    while (string[stringPos] && string[stringPos] <= ' ')
    {
        stringPos++;
    }
    while (paramPos < paramCount && string[stringPos])
    {
        switch (format[formatPos++])
        {
            case '\0':
            {
                return 0;
            }
            case 'i', 'd':
            {
                new
                    neg = 1,
                    num = 0,
                    ch = string[stringPos];
                if (ch == '-')
                {
                    neg = -1;
                    ch = string[++stringPos];
                }
                do
                {
                    stringPos++;
                    if ('0' <= ch <= '9')
                    {
                        num = (num * 10) + (ch - '0');
                    }
                    else
                    {
                        return -1;
                    }
                }
                while ((ch = string[stringPos]) > ' ' && ch != delim);
                setarg(paramPos, 0, num * neg);
            }
            case 'h', 'x':
            {
                new
                    num = 0,
                    ch = string[stringPos];
                do
                {
                    stringPos++;
                    switch (ch)
                    {
                        case 'x', 'X':
                        {
                            num = 0;
                            continue;
                        }
                        case '0' .. '9':
                        {
                            num = (num << 4) | (ch - '0');
                        }
                        case 'a' .. 'f':
                        {
                            num = (num << 4) | (ch - ('a' - 10));
                        }
                        case 'A' .. 'F':
                        {
                            num = (num << 4) | (ch - ('A' - 10));
                        }
                        default:
                        {
                            return -1;
                        }
                    }
                }
                while ((ch = string[stringPos]) > ' ' && ch != delim);
                setarg(paramPos, 0, num);
            }
            case 'c':
            {
                setarg(paramPos, 0, string[stringPos++]);
            }
            case 'f':
            {

                new changestr[16], changepos = 0, strpos = stringPos;
                while(changepos < 16 && string[strpos] && string[strpos] != delim)
                {
                    changestr[changepos++] = string[strpos++];
                    }
                changestr[changepos] = '\0';
                setarg(paramPos,0,_:floatstr(changestr));
            }
            case 'p':
            {
                delim = format[formatPos++];
                continue;
            }
            case '\'':
            {
                new
                    end = formatPos - 1,
                    ch;
                while ((ch = format[++end]) && ch != '\'') {}
                if (!ch)
                {
                    return -1;
                }
                format[end] = '\0';
                if ((ch = strfind(string, format[formatPos], false, stringPos)) == -1)
                {
                    if (format[end + 1])
                    {
                        return -1;
                    }
                    return 0;
                }
                format[end] = '\'';
                stringPos = ch + (end - formatPos);
                formatPos = end + 1;
            }
            case 'u':
            {
                new
                    end = stringPos - 1,
                    id = 0,
                    bool:num = true,
                    ch;
                while ((ch = string[++end]) && ch != delim)
                {
                    if (num)
                    {
                        if ('0' <= ch <= '9')
                        {
                            id = (id * 10) + (ch - '0');
                        }
                        else
                        {
                            num = false;
                        }
                    }
                }
                if (num && IsPlayerConnected(id))
                {
                    setarg(paramPos, 0, id);
                }
                else
                {
                    #if !defined foreach
                        #define foreach(%1,%2) for (new %2 = 0; %2 < MAX_PLAYERS; %2++) if (IsPlayerConnected(%2))
                        #define __SSCANF_FOREACH__
                    #endif
                    string[end] = '\0';
                    num = false;
                    new
                        name[MAX_PLAYER_NAME];
                    id = end - stringPos;
                    foreach (Player, playerid)
                    {
                        GetPlayerName(playerid, name, sizeof (name));
                        if (!strcmp(name, string[stringPos], true, id))
                        {
                            setarg(paramPos, 0, playerid);
                            num = true;
                            break;
                        }
                    }
                    if (!num)
                    {
                        setarg(paramPos, 0, INVALID_PLAYER_ID);
                    }
                    string[end] = ch;
                    #if defined __SSCANF_FOREACH__
                        #undef foreach
                        #undef __SSCANF_FOREACH__
                    #endif
                }
                stringPos = end;
            }
            case 's', 'z':
            {
                new
                    i = 0,
                    ch;
                if (format[formatPos])
                {
                    while ((ch = string[stringPos++]) && ch != delim)
                    {
                        setarg(paramPos, i++, ch);
                    }
                    if (!i)
                    {
                        return -1;
                    }
                }
                else
                {
                    while ((ch = string[stringPos++]))
                    {
                        setarg(paramPos, i++, ch);
                    }
                }
                stringPos--;
                setarg(paramPos, i, '\0');
            }
            default:
            {
                continue;
            }
        }
        while (string[stringPos] && string[stringPos] != delim && string[stringPos] > ' ')
        {
            stringPos++;
        }
        while (string[stringPos] && (string[stringPos] == delim || string[stringPos] <= ' '))
        {
            stringPos++;
        }
        paramPos++;
    }
    do
    {
        if ((delim = format[formatPos++]) > ' ')
        {
            if (delim == '\'')
            {
                while ((delim = format[formatPos++]) && delim != '\'') {}
            }
            else if (delim != 'z')
            {
                return delim;
            }
        }
    }
    while (delim > ' ');
    return 0;
}