#include <a_samp>
forward TowPlayerVehicle(playerid);
public OnFilterScriptInit()
{
}

public OnPlayerSpawn(playerid)
{
SetTimerEx("TowPlayerVehicle", 500, 1, "d", playerid);
return 1;
}
public TowPlayerVehicle(playerid)
{
if(IsPlayerInAnyVehicle(playerid))
{
new vehid = GetPlayerVehicleID(playerid);
if(!IsTrailerAttachedToVehicle(vehid))
{
if(GetVehicleModel(vehid) == 525)
{
new Float:x, Float:y, Float:z;
GetVehiclePos(vehid, x, y, z );
new vehiclet;
GetVehicleWithinDistance(playerid, x, y, z, 100.0, vehiclet);
AttachTrailerToVehicle(vehiclet, vehid);
}
}
}
}
GetVehicleWithinDistance( playerid, Float:x1, Float:y1, Float:z1, Float:dist, &vehic){
for(new i = 1; i < MAX_VEHICLES; i++){
if(GetVehicleModel(i) > 0){
if(GetPlayerVehicleID(playerid) != i ){
new Float:x, Float:y, Float:z;
new Float:x2, Float:y2, Float:z2;
GetVehiclePos(i, x, y, z);
x2 = x1 - x; y2 = y1 - y; z2 = z1 - z;
new Float:iDist = (x2*x2+y2*y2+z2*z2);

if( iDist < dist){
vehic = i;
}
}
}
}
}