ModernUO/Scripts/Misc/AttackMessage.cs

using System;
using System.Collections.Generic;
using Server.Network;

namespace Server.Misc
{
  public class AttackMessage
  {
    private const string AggressorFormat = "You are attacking {0}!";
    private const string AggressedFormat = "{0} is attacking you!";
    private const int Hue = 0x22;

    private static TimeSpan Delay = TimeSpan.FromMinutes(1.0);

    public static void Initialize()
    {
      EventSink.AggressiveAction += EventSink_AggressiveAction;
    }

    public static void EventSink_AggressiveAction(AggressiveActionEventArgs e)
    {
      Mobile aggressor = e.Aggressor;
      Mobile aggressed = e.Aggressed;

      if (!aggressor.Player || !aggressed.Player)
        return;

      if (!CheckAggressions(aggressor, aggressed))
      {
        aggressor.LocalOverheadMessage(MessageType.Regular, Hue, true,
          string.Format(AggressorFormat, aggressed.Name));
        aggressed.LocalOverheadMessage(MessageType.Regular, Hue, true,
          string.Format(AggressedFormat, aggressor.Name));
      }
    }

    public static bool CheckAggressions(Mobile m1, Mobile m2)
    {
      List<AggressorInfo> list = m1.Aggressors;

      for (int i = 0; i < list.Count; ++i)
      {
        AggressorInfo info = list[i];

        if (info.Attacker == m2 && DateTime.UtcNow < info.LastCombatTime + Delay)
          return true;
      }

      list = m2.Aggressors;

      for (int i = 0; i < list.Count; ++i)
      {
        AggressorInfo info = list[i];

        if (info.Attacker == m1 && DateTime.UtcNow < info.LastCombatTime + Delay)
          return true;
      }

      return false;
    }
  }
}