#include a_samp
#include pawncmd
#include sscanf

enum Player_Infos {
    Player_Username[MAX_PLAYER_NAME],
    Player_Duel_Opponent
};

new Player_Info[MAX_PLAYERS][Player_Infos];

public OnPlayerConnect(playerid) {
    GetPlayerName(playerid, Player_Info[playerid][Player_Username], MAX_PLAYER_NAME);

    Player_Info[playerid][Player_Duel_Opponent] = -1;
    return 1;
}

public OnPlayerUpdate(playerid) {
    if(!IsPlayerConnected(Player_Info[playerid][Player_Opponent])) {
        new Format_0[384];

        SpawnPlayer(playerid);

        Player_Info[playerid][Player_Duel_Opponent] = -1;

        format(Format_0, sizeof(Format_0), "%s [ID:%i] wygrał(a) pojedynek z %s [ID:%i]. Pozostało mu(jej) %.0f życia i %.0f kamizelki!", Player_Info[playerid][Player_Username], playerid, Player_Info[Player_Info[playerid][Player_Opponent]][Player_Username], Player_Info[playerid][Player_Opponent]);
        SendClientMessageToAll(-1, Format_0);
    }
    return 1;
}