Left 4 Dead 2 Useful Bots

#define Damage 1.6

public APLRes AskPluginLoad2(Handle myself, bool late, char[] error, int err_max)
{
	EngineVersion test = GetEngineVersion();
	if (test != Engine_Left4Dead && test != Engine_Left4Dead2) {
		strcopy(error, err_max, "Plugin only supports Left 4 Dead 1 & 2.");
		return APLRes_SilentFailure;
	}
	return APLRes_Success;
}

public OnPluginStart(){

	HookEvent("player_hurt", PlayerHurt);
	HookEvent("infected_hurt", InfectedHurt);

}

public Action PlayerHurt(Event event, const char[] name, bool dontBroadcast)
	{
		int attackerId = event.GetInt("attacker");
		int attacker = GetClientOfUserId(attackerId);
		//char name[64];
		//GetClientName(attacker, name, sizeof(name));
		if(attacker > 0 && attacker <= MaxClients && IsClientConnected(attacker) && IsClientInGame(attacker) && GetClientTeam(attacker) == 2 && IsFakeClient(attacker))
		{
			int amount = event.GetInt("dmg_health");
			int UserId = event.GetInt("userid");
			int client = GetClientOfUserId(UserId);
			int cur_health = event.GetInt("health");
			int dmg_health = RoundToNearest(cur_health - amount*Damage);
			if(GetClientTeam(client) == 3)
			{
				SetEntProp(client, Prop_Data, "m_iHealth", dmg_health + amount);
				return Plugin_Handled;
			}
		}
		return Plugin_Continue;
	}

public Action InfectedHurt(Event event, const char[] name, bool dontBroadcast)
	{
		int attackerId = event.GetInt("attacker");
		int attacker = GetClientOfUserId(attackerId);
		//char name[64];
		//GetClientName(attacker, name, sizeof(name));
		if(attacker > 0 && attacker <= MaxClients && IsClientConnected(attacker) && IsClientInGame(attacker) && GetClientTeam(attacker) == 2 && IsFakeClient(attacker))
		{
			int amount = event.GetInt("amount");
			int client = event.GetInt("entityid");
			int cur_health = GetEntProp(client, Prop_Data, "m_iHealth");
			int dmg_health = RoundToNearest(cur_health - amount*Damage);
			if(cur_health > 0)
			{
				SetEntProp(client, Prop_Data, "m_iHealth", dmg_health);
				return Plugin_Handled;
			}
		}
		return Plugin_Continue;
	}