sourcemod/plugins/antiflood.sp
2018-12-15 13:51:03 -08:00

124 lines
3.6 KiB
SourcePawn

/**
* vim: set ts=4 :
* =============================================================================
* SourceMod Anti-Flood Plugin
* Protects against chat flooding.
*
* SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#pragma semicolon 1
#include <sourcemod>
#pragma newdecls required
public Plugin myinfo =
{
name = "Anti-Flood",
author = "AlliedModders LLC",
description = "Protects against chat flooding",
version = SOURCEMOD_VERSION,
url = "http://www.sourcemod.net/"
};
enum struct PlayerInfo {
float lastTime; /* Last time player used say or say_team */
int tokenCount; /* Number of flood tokens player has */
}
PlayerInfo playerinfo[MAXPLAYERS+1];
ConVar sm_flood_time; /* Handle to sm_flood_time convar */
float max_chat;
public void OnPluginStart()
{
sm_flood_time = CreateConVar("sm_flood_time", "0.75", "Amount of time allowed between chat messages");
}
public void OnClientPutInServer(int client)
{
playerinfo[client].lastTime = 0.0;
playerinfo[client].tokenCount = 0;
}
public bool OnClientFloodCheck(int client)
{
max_chat = sm_flood_time.FloatValue;
if (max_chat <= 0.0
|| CheckCommandAccess(client, "sm_flood_access", ADMFLAG_ROOT, true))
{
return false;
}
if (playerinfo[client].lastTime >= GetGameTime())
{
/* If player has 3 or more flood tokens, block their message */
if (playerinfo[client].tokenCount >= 3)
{
return true;
}
}
return false;
}
public void OnClientFloodResult(int client, bool blocked)
{
if (max_chat <= 0.0
|| CheckCommandAccess(client, "sm_flood_access", ADMFLAG_ROOT, true))
{
return;
}
float curTime = GetGameTime();
float newTime = curTime + max_chat;
if (playerinfo[client].lastTime >= curTime)
{
/* If the last message was blocked, update their time limit */
if (blocked)
{
newTime += 3.0;
}
/* Add one flood token when player goes over chat time limit */
else if (playerinfo[client].tokenCount < 3)
{
playerinfo[client].tokenCount++;
}
}
else if (playerinfo[client].tokenCount > 0)
{
/* Remove one flood token when player chats within time limit (slow decay) */
playerinfo[client].tokenCount--;
}
playerinfo[client].lastTime = newTime;
}