blub :)

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(newkeys & KEY_SECONDARY_ATTACK)
    {
        if(InHouse[playerid] == -1)
        {
            for(new i; i<MAX_HOUSES; i++)
            {
                if(IsPlayerInRangeOfPoint(playerid, 3, HouseInfo[i][PickupX], HouseInfo[i][PickupY], HouseInfo[i][PickupZ]))
                {
                    new Pname[24]; GetPlayerName(playerid, Pname, 24);
                    if(strcmp(Pname, HouseInfo[i][HouseOwner])) return SendClientMessage(playerid, COLOR_RED, "Du besitzt dieses Haus nicht!");
                    SetPlayerPos(playerid, HouseInfo[i][TeleX], HouseInfo[i][TeleY], HouseInfo[i][TeleZ]);
                    SetPlayerInterior(playerid, HouseInfo[i][Interior]);
                    InHouse[playerid] = i;
                    SetPlayerVirtualWorld(playerid, HouseInfo[i][Virtual]);
                    SendClientMessage(playerid, COLOR_GREEN, "Du hast dein Haus betreten!");
                    return 1;
                }
            }
        }
        else
        {
            SetPlayerPos(playerid, HouseInfo[InHouse[playerid]][PickupX], HouseInfo[InHouse[playerid]][PickupY], HouseInfo[InHouse[playerid]][PickupZ]);
            SetPlayerInterior(playerid, 0);
            SetPlayerVirtualWorld(playerid, 0);
            SendClientMessage(playerid, COLOR_GREEN, "Du hast dein Haus verlassen!");
            InHouse[playerid] = -1;
            return 1;
        }
        if(InBiz[playerid] == -1)
        {
            for(new r; r<MAX_BIZ; r++)
            {
                if(IsPlayerInRangeOfPoint(playerid, 3, BizInfo[r][PickX], BizInfo[r][PickY], BizInfo[r][PickZ]))
                {
                new Pname[24]; GetPlayerName(playerid, Pname, 24);
                SetPlayerPos(playerid, BizInfo[r][TelX], BizInfo[r][TelY], BizInfo[r][TelZ]);
                SetPlayerInterior(playerid, BizInfo[r][Inter]);
                InBiz[playerid] = r;
                SetPlayerVirtualWorld(playerid, BizInfo[r][VW]);
                SendClientMessage(playerid, COLOR_GREEN, "Du hast das Business betreten!");
                return 1;
                }
            }
        }
        else
        {
            SetPlayerPos(playerid, BizInfo[InBiz[playerid]][PickX], BizInfo[InBiz[playerid]][PickY], BizInfo[InBiz[playerid]][PickZ]);
            SetPlayerInterior(playerid, 0);
            SetPlayerVirtualWorld(playerid, 0);
            SendClientMessage(playerid, COLOR_GREEN, "Du hast das Business verlassen!");
            InBiz[playerid] = -1;
        }
    }
    return 1;
}