Speed Anticheat Vehicles Only v1.2

/* Speed Anticheat

				by XStormiest


	So how this script works, is very simple, it's based on some-kind of AI algorithm that detecks max Speed and checks for any anomally in the speed.


*/
#define ANOMALLY 200
#include <a_samp>
#include <mapandreas>
new Float: MaxSpeed[MAX_PLAYERS][212][100];
new K[MAX_PLAYERS][212];
new Anomally = ANOMALLY;
new CheckSpeedTimer;

stock GetPlayerSpeed(playerid, bool:kmh) // by misco
{
  new Float:Vx,Float:Vy,Float:Vz,Float:rtn;
  if(IsPlayerInAnyVehicle(playerid)) GetVehicleVelocity(GetPlayerVehicleID(playerid),Vx,Vy,Vz); else GetPlayerVelocity(playerid,Vx,Vy,Vz);
  rtn = floatsqroot(floatabs(floatpower(Vx + Vy + Vz,2)));
  return kmh?floatround(rtn * 100 * 1.61):floatround(rtn * 100);
}

forward CheckVehicles();
public CheckVehicles()
{
	new vehicleid, modelid, Float: speed, Float: highestZ, bool: hack;
	new name[MAX_PLAYER_NAME], string[256];
	new Float:X, Float:Y, Float:Z;
	for(new i = 0; i < MAX_PLAYERS; i++)
	{
	    if(IsPlayerInAnyVehicle(i))
	    {
			hack = false;
			vehicleid = GetPlayerVehicleID(i);
			modelid = GetVehicleModel(vehicleid);
			speed = GetPlayerSpeed(i, true);
			GetVehiclePos(vehicleid, X, Y, Z);
			MapAndreas_FindZ_For2DCoord(X, Y, highestZ);
			#pragma unused X
			#pragma unused Y
			if(speed > MaxSpeed[i][modelid-400][K[i][modelid-400]] && K[i][modelid-400] < 100)
			{
				MaxSpeed[i][modelid-400][K[i][modelid-400]++];
			}
			for(new j = 1; i < K[i][modelid-400]; i++)
			{
			    if( (MaxSpeed[i][modelid][j] - MaxSpeed[i][modelid][j-1] ) >= Anomally && Z <= highestZ)
			    {
			        hack = true;
			    }
			}

			if(hack == true)
			{
				GetPlayerName(i, name, sizeof(name));
				format(string, sizeof(string), "Cheats: %s was detected using a car speed hack!!", name);
				SendClientMessageToAll(-1, string);
				BanEx(i, "Car Speed Hack");
			}
	    }

	}
	return 1;
}

public OnFilterScriptInit()
{
	CheckSpeedTimer = SetTimer("CheckVehicles", 1000, true);
	MapAndreas_Init(MAP_ANDREAS_MODE_FULL); //
	return 1;
}

public OnFilterScriptExit()
{
	KillTimer(CheckSpeedTimer);
	return 1;
}

public OnPlayerConnect(playerid)
{
	for(new i = 0; i < 212; i++)
	{
		for(new j = 0; j < 100; j++)
		    MaxSpeed[playerid][i][j] = 0;
		K[playerid][i] = 0;
	}
	return 1;
}