isValidVehicleModel(modelid) return (400 <= modelid <= 611);

GetVehicleMaxPassengers(iModel)
{
	if(isValidVehicleModel(iModel)) {
		static s_MaxPassengers[] =
		{
			271782163, 288428337, 288559891, -2146225407, 327282960, 271651075, 268443408, 286339857, 319894289, 823136512, 805311233,
			285414161, 286331697, 268513553, 18026752, 286331152, 286261297, 286458129, 856765201, 286331137, 856690995, 269484528,
			51589393, -15658689, 322109713, -15527663, 65343
		};
		new result = ((s_MaxPassengers[(iModel -= 400) >>> 3] >>> ((iModel & 7) << 2)) & 0xF);
		switch(iModel)
		{
			case 449: result = 3; // Tram
			case 483: result = 2; // Camper
		}
		return result;
	}
	return 0xF;
}

getFreeVehicleSeat(vehicleid, startSeat = 1)
{
	if(!(vehicleid >= 1 && vehicleid < MAX_VEHICLES))
		return -1;

	new bool:sVehicleSeats[8] = {false, ...}, seatid, maxSeats = GetVehicleMaxPassengers(GetVehicleModel(vehicleid));

	if(maxSeats == 0)
		return -1;

	if(maxSeats > 8)
		maxSeats = 8;

	foreach(new i : Character)
	{
		if(IsPlayerInVehicle(i, vehicleid)) {
			seatid = GetPlayerVehicleSeat(i);
			if(seatid >= startSeat && seatid <= maxSeats && seatid != 128)
				sVehicleSeats[seatid] = true;
		}
	}
	for (new i = startSeat; i <= maxSeats; ++i) {
		if(!sVehicleSeats[i]) return i;
	}
	return -1;
}

// Global variables
enum {
    INT,
    FLOAT,
    STRING
}

new key_name[50], 
    key_type, 
    key_value_int, 
    Float:key_value_float, 
    key_value_str[128];

stock INI_GetInt(filename[], key[], &variable) {
    INI_ParseFile(filename, "LoadOnlyKey", .bExtra = true, .bLocal = true); 
    format(key_name, sizeof key_name, "%s", key);
    key_type = INT;
    variable = key_value_int;
}

stock INI_GetFloat(filename[], key[], &Float:variable) {
    INI_ParseFile(filename, "LoadOnlyKey", .bExtra = true, .bLocal = true); 
    format(key_name, sizeof key_name, "%s", key);
    key_type = FLOAT;
    variable = key_value_float;
}

stock INI_GetString(filename[], key[], variable[]) {
    INI_ParseFile(filename, "LoadOnlyKey", .bExtra = true, .bLocal = true); 
    format(key_name, sizeof key_name, "%s", key);
    key_type = STRING;
    format(variable, sizeof variable, "%s", key_value_float);
}

forward LoadOnlyKey(name[], value[]) {}
public LoadOnlyKey(name[], value[]) {
    switch(key_type) {
        case STRING:    INI_String(key_name, key_value_str, sizeof key_value_str);
        case FLOAT:     INI_Float(key_name, key_value_float);
        case INT:       INI_Int(key_name, key_value_int);
    }
    return true;
}

type 1 - mph
any other type - kmh

stock RemovePlayerWeapon(playerid, weaponid) {
	if(GetPlayerWeapon(playerid) == weaponid) {
		GivePlayerWeapon(playerid, weaponid, -GetPlayerAmmo(playerid));
	}
	else {
		new slot, weapon, ammo, currentWeapon = GetPlayerWeapon(playerid);
		for(new i = 0; i < 12; i++) {
			GetPlayerWeaponData(playerid, i, weapon, ammo);
			if(weapon == weaponid && ammo > 0) {
				GivePlayerWeapon(playerid, weaponid, -ammo);
				SetPlayerArmedWeapon(playerid, currentWeapon);
				break;
			}
		}
	}
}

IsVehicleSeatTaken(vehicleid, seatid = 0)
{
    for(new p = 0; p < GetMaxPlayers(); p++)
    {
        if(!IsPlayerConnected(p)) continue;
        if(GetPlayerVehicleID(p) == vehicleid)
        {
           switch(GetPlayerVehicleSeat(p))
           {
              case -1: return (seatid == GetPlayerVehicleSeat(p));
              case 0: return (seatid == GetPlayerVehicleSeat(p));
              case 1,2,3: return (seatid == GetPlayerVehicleSeat(p));
              default: return false; // to avoid being crashed because of the invalid seat id 128....
           }
        }
    }
    return 0; 
}