new playerclass[MAXPLAYERS+1];

public OnPluginStart()
{

RegConsoleCmd("sm_wf", wf);
HookEvent("player_spawn", Event_player_spawn);

}
public Action:wf(client, args)
{
new Handle:class = CreatePanel();
SetPanelTitle(class, "Выбирите себе класс:\n");
DrawPanelItem(class, "Медик");  
DrawPanelItem(class, "Снайпер");
SetPanelCurrentKey(class, 9);
DrawPanelItem(class, "Закрыть меню");    
SendPanelToClient(class, client, InfoMenuHandler, MENU_TIME_FOREVER);
CloseHandle(class);
}

public Action:Event_player_spawn(Handle:event, const String:name[], bool:dontBroadcast)
{
   new client = GetClientOfUserId(GetEventInt(event,"userid"));
      
   if(playerclass[client] == 0)
   {
   giveweaponmedic(client);
   }
   else if(playerclass[client] == 1)
   {
   giveweaponspayper(client);
   }  
}
public InfoMenuHandler(Handle:hMenu, MenuAction:action, client, iSlot)
{
if(iSlot == 1)  
{
playerclass[client] = 0;
giveweaponmedic(client);
}
else if(iSlot == 2)  
{
playerclass[client] = 1;
giveweaponspayper(client);
}
}

stock giveweaponmedic(client)
{
//прибомбасы
}

stock giveweaponspayper(client)
{
//прибомбасы
}