Conhecer Player

#include <a_samp>
#include <sINI>

public OnGameModeInit()
{
    file_OS();
    return 1;
}
public OnPlayerSpawn(playerid)
{
    if(GetPVarInt(playerid,"primeiro_spawn") == 0)
    {
        new ficheiroc[40];
        format(ficheiroc, sizeof(ficheiroc), "Conhecer/%s.ini",GetPlayerNameEx(playerid));
        if(!fexist(ficheiroc))
        {
            file_Create(ficheiroc);
            file_Open(ficheiroc);
            file_SetVal(GetPlayerNameEx(playerid),1);
            file_Save(ficheiroc);
            file_Close();
        }
        for(new i = 0; i < MAX_PLAYERS; i++)
        {
            if(!IsPlayerNPC(playerid) && !IsPlayerNPC(i) && IsPlayerConnected(i))
            {
                format(ficheiroc, sizeof(ficheiroc), "Conhecer/%s.ini",GetPlayerNameEx(playerid));
                file_Open(ficheiroc);
                if(file_IsKey(GetPlayerNameEx(i)))
                {
                    SetPVarInt(playerid,GetPlayerNameEx(i),file_GetVal(GetPlayerNameEx(i)));
                    if(GetPVarInt(playerid,GetPlayerNameEx(i)) == 1)
                    {
                        ShowPlayerNameTagForPlayer(i, playerid, true);
                    }
                    else if(GetPVarInt(playerid,GetPlayerNameEx(i)) == 0)
                    {
                        ShowPlayerNameTagForPlayer(i, playerid, false);
                    }
                }
                else
                {
                    file_SetVal(GetPlayerNameEx(i),0);
                    file_Save(ficheiroc);
                }
                file_Close();
                format(ficheiroc, sizeof(ficheiroc), "Conhecer/%s.ini",GetPlayerNameEx(i));
                file_Open(ficheiroc);
                if(file_IsKey(GetPlayerNameEx(playerid)))
                {
                    SetPVarInt(i,GetPlayerNameEx(playerid),file_GetVal(GetPlayerNameEx(playerid)));
                    if(GetPVarInt(i,GetPlayerNameEx(playerid)) == 1)
                    {
                        ShowPlayerNameTagForPlayer(playerid, i, true);
                    }
                    else if(GetPVarInt(i,GetPlayerNameEx(playerid)) == 0)
                    {
                        ShowPlayerNameTagForPlayer(playerid, i, false);
                    }
                }
                else
                {
                    file_SetVal(GetPlayerNameEx(playerid),0);
                    file_Save(ficheiroc);
                }
                file_Close();
            }
        }
        SetPVarInt(playerid,"primeiro_spawn",1);
    }
    return 1;
}
public OnPlayerText(playerid, text[])
{
    if(strfind(text, GetPlayerNameEx(playerid), true) == 0)
    {
        new ficheiroc[40];
        for(new i=0; i<MAX_PLAYERS; i++)
        {
            format(ficheiroc, sizeof(ficheiroc), "Conhecer/%s.ini",GetPlayerNameEx(i));
            file_Open(ficheiroc);
            if(i != playerid && IsPlayerConnected(i) && !IsPlayerNPC(i))
            {
                if(ProxDetectorS(5.0, playerid, i))
                {
                    if(GetPVarInt(i,GetPlayerNameEx(playerid)) == 0)
                    {
                        file_SetVal(GetPlayerNameEx(playerid),1);
                        SetPVarInt(playerid,GetPlayerNameEx(playerid),1);
                        ShowPlayerNameTagForPlayer(i, playerid, true);
                    }
                }
            }
            file_Save(ficheiroc);
            file_Close();
        }
    }
    return 1;
}
public OnPlayerConnect(playerid)
{
    SetPVarInt(playerid,"primeiro_spawn",0);
    return 1;
}
public OnPlayerRequestClass(playerid)
{
    if(GetPVarInt(playerid,"primeiro_spawn") == 0)
    {
        for(new i=0; i<MAX_PLAYERS; i++)
        {
            if(i != playerid && IsPlayerConnected(i) && !IsPlayerNPC(i))
            {
                SetPVarInt(playerid,GetPlayerNameEx(i),0);
                SetPVarInt(i,GetPlayerNameEx(playerid),0);
                ShowPlayerNameTagForPlayer(i, playerid, false);
                ShowPlayerNameTagForPlayer(playerid, i, false);
            }
        }
    }
    return 1;
}
stock GetPlayerNameEx(playerid)
{
    new NomePlayer[MAX_PLAYER_NAME];
    GetPlayerName(playerid,NomePlayer,sizeof(NomePlayer));
    return NomePlayer;
}
forward ProxDetectorS(Float:radi, playerid, targetid);
public ProxDetectorS(Float:radi, playerid, targetid)
{
    if(IsPlayerConnected(playerid)&&IsPlayerConnected(targetid))
    {
        new Float:posx, Float:posy, Float:posz;
        new Float:oldposx, Float:oldposy, Float:oldposz;
        new Float:tempposx, Float:tempposy, Float:tempposz;
        GetPlayerPos(playerid, oldposx, oldposy, oldposz);
        //radi = 2.0; //Trigger Radius
        GetPlayerPos(targetid, posx, posy, posz);
        tempposx = (oldposx -posx);
        tempposy = (oldposy -posy);
        tempposz = (oldposz -posz);
        //printf("DEBUG: X:%f Y:%f Z:%f",posx,posy,posz);
        if (((tempposx < radi) && (tempposx > -radi)) && ((tempposy < radi) && (tempposy > -radi)) && ((tempposz < radi) && (tempposz > -radi)))
        {
            return 1;
        }
    }
    return 0;