#include <PlayerManager>
#pragma semicolon 1
  
#define DEBUG

#define PLUGIN_AUTHOR "jenz"
#define PLUGIN_VERSION "1.0"
#define generic_length 256

#include <sourcemod>
#include <sdktools>


public Plugin myinfo =
{
        name = "nosteam bhop blocker",
        author = PLUGIN_AUTHOR,
        description = "no more bhop for meatbags ",
        version = PLUGIN_VERSION,
        url = ""
};

bool bhop_restricted_nosteamer[MAXPLAYERS + 1];
int buttons_old[MAXPLAYERS + 1];
int flags_old[MAXPLAYERS + 1];
Database g_dDatabase;

public void OnPluginStart()
{
    SQL_StartConnection();
    for (int i = 1; i <= MAXPLAYERS; i++)
    {
        if (IsValidClient(i))
        OnClientPostAdminCheck(i);
    }
}

public void OnMapStart()
{
    SQL_StartConnection();
}

public void SQL_StartConnection()
{
    char error[512];
    if (SQL_CheckConfig("bhopnosteam"))
        g_dDatabase = SQL_Connect("bhopnosteam", true, error, sizeof(error));
    if (g_dDatabase == null)
    {
        PrintToChatAll("{green}[UNLOZE] {white}Error! Could not connect to MYSQL-DB!");
    }
    //create table
    char sQuery[512];
    Format(sQuery, sizeof(sQuery), "CREATE TABLE IF NOT EXISTS bhop_whitelist (`steam_auth` VARCHAR(254) NOT NULL, `name` VARCHAR(254) NOT NULL, PRIMARY KEY (`steam_auth`))");
    SQL_TQuery(g_dDatabase, DummyCallbackSimple, sQuery);
}

public void DummyCallbackSimple(Handle hOwner, Handle hChild, const char[] err, DataPack pack1)
{
	if (hOwner == null || hChild == null)
		LogError("Query error. (%s)", err);
}

stock bool IsValidClient(int client)
{
        if (client > 0 && client <= MaxClients && IsClientConnected(client) && IsClientInGame(client))
                return true;
        return false;
}

public void OnClientDisconnect(int client)
{
	bhop_restricted_nosteamer[client] = false;
	buttons_old[client] = 0;
	flags_old[client] = 0;
}

public void OnClientPostAdminCheck(int client)
{
    if (!IsFakeClient(client) && !IsClientSourceTV(client) && !PM_IsPlayerSteam(client))
    {
        bhop_restricted_nosteamer[client] = true;
        buttons_old[client] = 0;
        flags_old[client] = 0;
        if (g_dDatabase)
        {
            DBResultSet rs;
            char steam_auth[512];
            GetClientAuthId(client, AuthId_Steam2, steam_auth, sizeof(steam_auth));
            strcopy(steam_auth, sizeof(steam_auth), steam_auth[8]);
            char sQuery[512];
            Format(sQuery, sizeof(sQuery), "SELECT * FROM bhop_whitelist WHERE steam_auth = '%s'", steam_auth);
            if ((rs = SQL_Query(g_dDatabase, sQuery)) != null)
            {
                rs.FetchRow();
                if (rs.RowCount > 0)
                {
                    bhop_restricted_nosteamer[client] = false;
                    PrintToChat(client, "bhop unrestricted!");
                }
            }
            delete rs;
        }
    }
}

public void OnPlayerRunCmdPost(int client, int buttons, int impulse, const float vel[3], const float angles[3], int weapon, int subtype,
                                                                int cmdnum, int tickcount, int seed, const int mouse[2])
{
    if (!IsValidClient(client) || !IsPlayerAlive(client) || !bhop_restricted_nosteamer[client]) return;
    if (!(buttons_old[client] & IN_JUMP) && (!(buttons & IN_JUMP)))
    {
        flags_old[client] = GetEntityFlags(client);
        return;
    }
    if (buttons_old[client] & IN_JUMP)
    {
        if (!(buttons & IN_JUMP))
            if (GetEntityFlags(client) & FL_ONGROUND)
                buttons_old[client] = buttons;
        return;
    }
    if (!(flags_old[client] & FL_ONGROUND))
        return;
    float vVel[3];
    GetEntPropVector(client, Prop_Data, "m_vecVelocity", vVel);
    float fVelocity = SquareRoot(Pow(vVel[0], 2.0) + Pow(vVel[1], 2.0));
    float velocity_block[3];
    velocity_block[0] = vel[0];
    velocity_block[1] = vel[1];
    velocity_block[2] = vel[2];
    velocity_block[1] = 0.0;
    if (fVelocity > 320.0)
        TeleportEntity(client, NULL_VECTOR, NULL_VECTOR, velocity_block);
    buttons_old[client] = buttons;
}