[Konstantinos]

Set the player's position in OnPlayerSpawn and if the player registers, let him spawn somewhere else:

pawn Код:

// OnPlayerConnect:
pInfo[playerid][Posx] = 0.0;
pInfo[playerid][Posy] = 0.0;
pInfo[playerid][Posz] = 0.0;
// NOTE: reset the rest of the data too

// OnPlayerSpawn:
if (!pInfo[playerid][Posx] && !pInfo[playerid][Posy] && !pInfo[playerid][Posz])
{
    SetPlayerPos(playerid, x, y, z); // Edit this line so if the player registers, they'll spawn to a public place
}
else SetPlayerPos(playerid, pInfo[playerid][Posx], pInfo[playerid][Posy], pInfo[playerid][Posz]);
// else to their saved position