C# CharData.RemoveAffect方法代码示例

        /// <summary>
        /// Player track command.
        /// </summary>
        /// <param name="ch"></param>
        /// <param name="str"></param>
        public static void TrackCommand(CharData ch, string[] str)
        {
            if( ch == null ) return;

            CharData victim;

            if (ch.IsAffected(Affect.AFFECT_TRACK))
            {
                ch.SendText("You stop tracking.\r\n");
                Combat.StopHunting(ch);
                ch.RemoveAffect(Affect.AFFECT_TRACK);
                return;
            }

            if (!ch.HasSkill("track"))
            {
                ch.SendText("You couldn't track an &+Lelephant&n in your own bedroom.\r\n");
                return;
            }

            if (str.Length == 0)
            {
                ch.SendText("Whom are you trying to track?\r\n");
                return;
            }

            if (ch.Riding)
            {
                ch.SendText("You can't sniff a trail mounted.\r\n");
                return;
            }

            if (ch.FlightLevel != 0)
            {
                ch.SendText("You find tracks on the _ground_!\r\n");
                return;
            }

            if (ch.InRoom.IsWater())
            {
                ch.SendText("You can't track through water.\r\n");
                return;
            }

            if (ch.CurrentPosition != Position.standing)
            {
                if (ch.CurrentPosition == Position.fighting)
                    ch.SendText("You're too busy fighting .\r\n");
                else
                    ch.SendText("You must be standing to track!\r\n");
                return;
            }

            /* only imps can hunt to different areas */
            bool area = (ch.GetTrust() < Limits.LEVEL_OVERLORD);

            if (area)
            {
                victim = ch.GetCharInArea(str[0]);
            }
            else
            {
                victim = ch.GetCharWorld(str[0]);
            }

            if (!victim || (!victim.IsNPC() && (ch.IsRacewar(victim)) && !ch.IsImmortal()))
            {
                ch.SendText("You can't find a trail of anyone like that.\r\n");
                return;
            }

            if (ch.InRoom == victim.InRoom)
            {
                SocketConnection.Act("You're already in $N&n's room!", ch, null, victim, SocketConnection.MessageTarget.character);
                return;
            }

            /*
            * Deduct some movement.
            */
            if (ch.CurrentMoves > 2)
            {
                ch.CurrentMoves -= 3;
            }
            else
            {
                ch.SendText("You're too exhausted to hunt anyone!\r\n");
                return;
            }

            SocketConnection.Act("$n carefully sniffs the air.", ch, null, null, SocketConnection.MessageTarget.room);
            ch.WaitState(Skill.SkillList["track"].Delay);
            Exit.Direction direction = Track.FindPath(ch.InRoom.IndexNumber, victim.InRoom.IndexNumber, ch, -40000, area);

            if (direction == Exit.Direction.invalid)
//.........这里部分代码省略.........

        /// <summary>
        /// Lets a player go visible if they want to.
        /// </summary>
        /// <param name="ch"></param>
        /// <param name="str"></param>
        public static void Visible(CharData ch, string[] str)
        {
            if( ch == null ) return;

            if (!ch.IsAffected(Affect.AFFECT_INVISIBLE) && !ch.IsAffected(Affect.AFFECT_MINOR_INVIS) &&
                !ch.IsAffected(Affect.AFFECT_DUERGAR_HIDE))
            {
                ch.SendText("You already stick out like a &+Rsore thumb&n.\r\n" );
                return;
            }

            ch.RemoveAffect(Affect.AFFECT_INVISIBLE);
            ch.RemoveAffect(Affect.AFFECT_MINOR_INVIS);
            ch.RemoveAffect(Affect.AFFECT_DUERGAR_HIDE);

            ch.SendText("You make yourself visible.\r\n");
            SocketConnection.Act("$n&n slowly fades into existence.\r\n", ch, null, null, SocketConnection.MessageTarget.room );

            return;
        }

        /// <summary>
        /// Move silently.
        /// </summary>
        /// <param name="ch"></param>
        /// <param name="str"></param>
        public static void Sneak(CharData ch, string[] str)
        {
            if( ch == null ) return;
            /* Don't allow charmed mobs to do this, check player's skill */
            if ((!ch.HasSkill("sneak")))
            {
                ch.SendText("You're about as sneaky as a buffalo in tap shoes.\r\n");
                return;
            }

            if (ch.Riding)
            {
                ch.SendText("You can't do that while mounted.\r\n");
                return;
            }

            if (str.Length != 0 && !MUDString.StringsNotEqual(str[0], "off"))
            {
                if (!ch.IsAffected(Affect.AFFECT_SNEAK))
                {
                    ch.SendText("You're not sneaking.\r\n");
                }
                else
                {
                    ch.SendText("You stop sneaking around.\r\n");
                    ch.RemoveAffect(Affect.AFFECT_SNEAK);
                }
                return;
            }

            ch.SendText("You attempt to move silently.\r\n");
            ch.RemoveAffect( Affect.AFFECT_SNEAK );

            /* Check skill knowledge when moving only. */
            Affect af = new Affect(Affect.AffectType.skill, "sneak", -1, Affect.Apply.none, 0, Affect.AFFECT_SNEAK);
            ch.AddAffect(af);

            ch.PracticeSkill("sneak");
            ch.WaitState(10);
            return;
        }

//.........这里部分代码省略.........
                    return;
                }

                if (ch.Level < victim.Level)
                {
                    // stealing from higher level is possible, but harder
                    percent -= 5 * (victim.Level - ch.Level);
                }
                else
                {
                    // slight bonus for mobs lower level
                    percent += (ch.Level - victim.Level);
                }
                if (obj.WearLocation == ObjTemplate.WearLocation.none)
                    /* Items worn are harder */
                    percent = (int)(percent * .8);
                else
                    percent = (int)(percent * .4);
            }

            ch.PracticeSkill("steal");

            if (percent > 85)
                percent = 85;

            if (percent < 2)
                percent = 2;
            if (percent < MUDMath.NumberPercent())
            {
                /*
                * Failure.
                */
                //strip sneak
                ch.RemoveAffect(Affect.AFFECT_SNEAK);
                // chance of removing invis
                if (ch.IsAffected(Affect.AFFECT_INVISIBLE) && MUDMath.NumberPercent() > percent)
                {
                    ch.SendText("You really bungled that attempt.\r\n");
                    ch.RemoveAffect(Affect.AFFECT_INVISIBLE);
                }
                else
                {
                    ch.SendText("Oops.\r\n");
                }
                SocketConnection.Act("$n&n tried to steal from $N&n.", ch, null, victim, SocketConnection.MessageTarget.everyone_but_victim);
                if (victim.IsAwake())
                {
                    SocketConnection.Act("$n&n tried to steal from you!", ch, null, victim, SocketConnection.MessageTarget.victim);
                }
                else
                {
                    sleeping = true;
                }
                // Thief flag for justice.
                // Added so blind mobs dont hit who ever failed steal from em.
                if (victim.IsNPC())
                {
                    if (!sleeping && !victim.IsBlind())
                    {
                        CommandType.Interpret(victim, "kill " + ch.Name);
                    }
                }
                else
                {
                    if (!victim.IsBlind() && !sleeping && victim.IsAffected(Affect.AFFECT_BERZERK))
                    {

        /// <summary>
        /// Tracking mob has found the person its after. Attack or react accordingly.
        /// </summary>
        /// <param name="ch"></param>
        /// <param name="victim"></param>
        public static void FoundPrey( CharData ch, CharData victim )
        {
            string victname = String.Empty;
            string text = String.Empty;
            string lbuf = String.Empty;

            if (!victim)
            {
                Log.Error("FoundPrey: null victim", 0);
                return;
            }

            if (!victim.InRoom)
            {
                Log.Error("FoundPrey: null victim._inRoom", 0);
                return;
            }
            ImmortalChat.SendImmortalChat(null, ImmortalChat.IMMTALK_HUNTING, 0, string.Format("{0}&n has found {1}.", ch.ShortDescription, victim.Name));

            if (ch.IsAffected(Affect.AFFECT_TRACK))
            {
                ch.RemoveAffect(Affect.AFFECT_TRACK);
                Combat.StopHunting(ch);
                return;
            }
            if (ch.IsAffected(Affect.AFFECT_JUSTICE_TRACKER))
            {
                /* Give Justice the ability to ground flying culprits */
                if (victim.FlightLevel != 0)
                {
                    SocketConnection.Act("$n&n forces you to land!", ch, null, victim, SocketConnection.MessageTarget.victim);
                    SocketConnection.Act("$n&n forces $N&n to land!", ch, null, victim, SocketConnection.MessageTarget.room_vict);
                    victim.FlightLevel = 0;
                }

                SocketConnection.Act("$n&n says, 'Stop, $N&n, you're under ARREST!'", ch, null, victim, SocketConnection.MessageTarget.character);
                SocketConnection.Act("$n&n says, 'Stop, $N&n, you're under ARREST!'", ch, null, victim, SocketConnection.MessageTarget.room);
                SocketConnection.Act("$n&n chains you up.", ch, null, victim, SocketConnection.MessageTarget.character);
                SocketConnection.Act("$n&n binds $N&n so $E can't move.", ch, null, victim, SocketConnection.MessageTarget.room);
                victim.SetAffectBit(Affect.AFFECT_BOUND);
                victim.RemoveFromRoom();

                if (ch.InRoom.Area.JailRoom != 0)
                {
                    victim.AddToRoom(Room.GetRoom(victim.InRoom.Area.JailRoom));
                }
                else
                {
                    victim.SendText("Justice is broken in this town - there is no jail and you're screwed.\r\n");
                }
                Combat.StopHunting(ch);
                return;
            }

            victname = victim.IsNPC() ? victim.ShortDescription : victim.Name;

            if (ch.FlightLevel != victim.FlightLevel)
            {
                if (ch.CanFly())
                {
                    if (ch.FlightLevel < victim.FlightLevel && ch.FlightLevel < CharData.FlyLevel.high)
                    {
                        Command.Fly(ch, new string[] { "up" });
                    }
                    else
                    {
                        Command.Fly(ch, new string[] { "down" });
                    }
                }
                else
                {
                    SocketConnection.Act("$n peers around looking for something.", ch, null, null, SocketConnection.MessageTarget.room);
                }
                return;
            }
            if (!CharData.CanSee(ch, victim))
            {
                if (MUDMath.NumberPercent() < 90)
                    return;
                switch (MUDMath.NumberBits(5))
                {
                    case 0:
                        text = String.Format("You can't hide forever, {0}!", victname);
                        Command.Say(ch, new string[]{text});
                        break;
                    case 1:
                        SocketConnection.Act("$n&n sniffs around the room.", ch, null, victim, SocketConnection.MessageTarget.room);
                        text = "I can smell your blood!";
                        Command.Say(ch, new string[]{text});
                        break;
                    case 2:
                        text = String.Format("I'm going to tear {0} apart!", victname);
                        Command.Yell(ch, new string[]{text});
                        break;
                    case 3:
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                        || CommandTable[cmd].LoggingType == LogType.always)
                {
                    string logBuf = String.Format("Log {0}: {1}", ch.Name, logline);
                    Log.Trace(logBuf);
                    ImmortalChat.SendImmortalChat(ch, ImmortalChat.IMMTALK_SECURE, ch.GetTrust(), logBuf);
                }

                if (ch.Socket && ch.Socket.SnoopBy)
                {
                    ch.Socket.SnoopBy.WriteToBuffer("% ");
                    ch.Socket.SnoopBy.WriteToBuffer(logline);
                    ch.Socket.SnoopBy.WriteToBuffer("\r\n");
                }

                // Break meditate
                if (CommandTable[cmd].BreakMeditate)
                {
                    if (!ch.IsNPC() && ch.HasActionBit(PC.PLAYER_MEDITATING))
                    {
                        ch.RemoveActionBit(PC.PLAYER_MEDITATING);
                        ch.SendText("You stop meditating.\r\n");
                    }
                }

                // Break sneak, hide, and invis
                // Anything that will break hide OR invis will break concealment
                // This is DUMB!  Breaks invis w/backstab on a target that's not
                //   there: i.e. "backstab trolll"/"backstab humann" . vis and no
                //   attack! - (Should be handled with make_vis function).
                if (CommandTable[cmd].BreakInvisibility)
                {
                    if (ch.IsAffected(Affect.AFFECT_INVISIBLE))
                    {
                        ch.RemoveAffect(Affect.AFFECT_INVISIBLE);
                        ch.RemoveAffect(Affect.AFFECT_HIDE);
                        ch.RemoveAffect(Affect.AFFECT_MINOR_INVIS);

                        SocketConnection.Act("$n&n snaps into visibility.", ch, null, null, SocketConnection.MessageTarget.room);
                        ch.SendText("You snap into visibility.\r\n");
                    }
                    else if (ch.IsAffected(Affect.AFFECT_MINOR_INVIS))
                    {
                        ch.RemoveAffect(Affect.AFFECT_INVISIBLE);
                        ch.RemoveAffect(Affect.AFFECT_HIDE);
                        ch.RemoveAffect(Affect.AFFECT_MINOR_INVIS);

                        ch.SendText("You appear.\r\n");
                    }
                }

                if (CommandTable[cmd].BreakHide)
                {
                    if (ch.IsAffected(Affect.AFFECT_MINOR_INVIS))
                    {
                        ch.SendText("You appear.\r\n");
                    }
                    ch.AffectStrip( Affect.AffectType.skill, "shadow form");
                    ch.RemoveAffect( Affect.AFFECT_HIDE );
                    ch.RemoveAffect(Affect.AFFECT_MINOR_INVIS);
                }
            }
            // Command was not found, respond accordingly.
            else
            {
                // Look for command in socials table.
                if (!Database.SocialList.CheckSocial(ch, command, argument))

        /// <summary>
        /// Deliver a killing blow to the victim.
        /// </summary>
        /// <param name="ch"></param>
        /// <param name="victim"></param>
        public static void KillingBlow( CharData ch, CharData victim )
        {
            Event eventdata;
            Room room;
            bool noCorpse = false;

            StopFighting( victim, true );

            if( victim.GroupLeader || victim.NextInGroup )
            {
                victim.RemoveFromGroup( victim );
            }
            if( ch != victim )
            {
                if( victim.IsNPC() && victim.MobileTemplate.DeathFun.Count > 0 )
                {
                    victim.MobileTemplate.DeathFun[0].SpecFunction( victim, MobFun.PROC_NORMAL );
                }
                //        prog_death_trigger( victim );
            }
            if( victim.IsNPC() && victim.DeathFunction != null )
            {
                noCorpse = victim.DeathFunction.SpecFunction( victim, MobFun.PROC_DEATH );
            }
            if( !noCorpse )
            {
                MakeCorpse( victim );
            }

            /* Strip all event-spells from victim! */
            for( int i = (Database.EventList.Count - 1); i >= 0; i-- )
            {
                eventdata = Database.EventList[i];

                if( eventdata.Type == Event.EventType.immolate || eventdata.Type == Event.EventType.acid_arrow )
                {
                    if( (CharData)eventdata.Target2 == victim )
                    {
                        Database.EventList.Remove( eventdata );
                    }
                }
            }

            if( victim.Rider )
            {
                SocketConnection.Act( "$n&n dies suddenly, and you topple to the &n&+yground&n.", victim, null, victim.Rider, SocketConnection.MessageTarget.victim );
                victim.Rider.Riding = null;
                victim.Rider.CurrentPosition = Position.resting;
                victim.Rider = null;
            }

            if( victim.Riding )
            {
                SocketConnection.Act( "$n&n topples from you, &+Ldead&n.", victim, null, victim.Riding, SocketConnection.MessageTarget.victim );
                victim.Riding.Rider = null;
                victim.Riding = null;
            }

            if (!victim.IsNPC() && victim.IsAffected(Affect.AFFECT_VAMP_BITE))
            {
                victim.SetPermRace( Race.RACE_VAMPIRE );
            }

            for (int i = (victim.Affected.Count - 1); i >= 0; i--)
            {
                /* Keep the ghoul affect */
                if (!victim.IsNPC() && victim.IsAffected(Affect.AFFECT_WRAITHFORM))
                {
                    continue;
                }

                victim.RemoveAffect(victim.Affected[i]);
            }

            if( victim.IsNPC() )
            {
                victim.MobileTemplate.NumberKilled++;
                // This may invalidate the char list.
                CharData.ExtractChar( victim, true );
                return;
            }
            CharData.ExtractChar( victim, false );
            //save corpses, don't wait til next save_corpse event
            Database.CorpseList.Save();
            // Character has died in combat, extract them to repop point and put
            // them at the menu.
            /*
                 * Pardon crimes once justice system is complete
                 */
            // This is where we send them to the menu.
            victim.DieFollower( victim.Name );

            if( victim.InRoom )
            {
                room = victim.InRoom;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                ch.SendText("You give up when you realize there's nowhere to flee to.\r\n");
            }

            // Panicked people can flee when not fighting.
            CharData victim = ch.Fighting;
            if (!victim)
            {
                if (ch.CurrentPosition == Position.fighting)
                {
                    ch.CurrentPosition = Position.standing;
                }
            }

            if (ch.IsAffected(Affect.AFFECT_BERZERK))
            {
                ch.SendText("You can't flee, you're in a &+RBl&n&+ro&+Ro&n&+rd&+L Rage&n!!\r\n");
                return;
            }

            if (ch.IsAffected( Affect.AFFECT_BOUND))
            {
                ch.SendText("You are bound!  You can't move!\r\n");
                SocketConnection.Act("$n&n tries to flee, but is tied up!",
                     ch, null, null, SocketConnection.MessageTarget.room);
                return;
            }

            if (ch.IsAffected( Affect.AFFECT_HOLD) ||
                    ch.IsAffected( Affect.AFFECT_MINOR_PARA))
            {
                ch.SendText("You can't move!\r\n");
                SocketConnection.Act("$n&n tries to flee, but $e can't move!",
                     ch, null, null, SocketConnection.MessageTarget.room);
                return;
            }

            // You should almost always be able to flee when not fighting.
            if (ch.CurrentPosition == Position.standing)
            {
                chances = 30;
            }
            else
            {
                chances = 6;
            }

            Room wasIn = ch.InRoom;
            for (attempt = 0; attempt < chances; attempt++)
            {
                Exit exit;

                Exit.Direction door = Database.RandomDoor();
                if ((exit = wasIn.GetExit(door)) == null || !exit.TargetRoom
                        || exit.TargetRoom == wasIn || exit.HasFlag(Exit.ExitFlag.closed)
                        || (ch.IsNPC() && (Room.GetRoom(exit.IndexNumber).HasFlag(RoomTemplate.ROOM_NO_MOB)
                        || (ch.HasActionBit(MobTemplate.ACT_STAY_AREA) && exit.TargetRoom.Area != ch.InRoom.Area))))
                {
                    continue;
                }

                if (ch.Riding && ch.Riding.Fighting)
                {
                    Combat.StopFighting(ch.Riding, true);
                }

                // Just to keep the damned messages from being wacky...
                ch.SetAffectBit(Affect.AFFECT_IS_FLEEING);
                ch.Move(door);
                ch.RemoveAffect(Affect.AFFECT_IS_FLEEING);
                if (ch.InRoom == wasIn)
                {
                    break;
                }
                Room nowIn = ch.InRoom;
                ch.InRoom = wasIn;

                SocketConnection.Act("$n&n panics and attempts to flee...", ch, null, null, SocketConnection.MessageTarget.room, true);
                string text;
                if (ch.CheckSneak())
                {
                    SocketConnection.Act("$n&n has fled!", ch, null, null, SocketConnection.MessageTarget.room);
                }
                else
                {
                    text = String.Format("$n&n flees {0}ward.", door.ToString());
                    SocketConnection.Act(text, ch, null, null, SocketConnection.MessageTarget.room, true);
                }
                ch.InRoom = nowIn;

                text = String.Format("You flee {0}ward!\r\n", door.ToString());
                ch.SendText(text);

                Combat.StopFighting(ch, true);
                return;
            }

            SocketConnection.Act("$n&n tries to flee but can't make it out of here!", ch, null, null, SocketConnection.MessageTarget.room, true);
            ch.SendText("&+WYour escape is blocked!\r\n");
            return;
        }

        /// <summary>
        /// Inflict damage from a single hit.  This could use some cleanup since it's way too unwieldy at more than 600 lines.
        /// </summary>
        /// <param name="ch"></param>
        /// <param name="victim"></param>
        /// <param name="dam"></param>
        /// <param name="skill"></param>
        /// <param name="weapon"></param>
        /// <param name="damType"></param>
        /// <returns></returns>
        public static bool InflictDamage(CharData ch, CharData victim, int dam, string skill, ObjTemplate.WearLocation weapon, AttackType.DamageType damType)
        {
            if (ch == null || victim == null)
            {
                return false;
            }

            Object obj;
            bool critical = false;

            if( victim.CurrentPosition == Position.dead || victim.Hitpoints < -10 )
            {
                return true;
            }

            /*
            * Stop up any residual loopholes.
            */
            if( ( dam > 1276 ) && ch.Level < Limits.LEVEL_AVATAR )
            {
                string text;

                if (ch.IsNPC() && ch.Socket)
                {
                    text = String.Format("Damage: {0} from {1} by {2}: > 1276 points with {3} damage type!",
                              dam, ch.Name, ch.Socket.Original.Name, skill);
                }
                else
                {
                    text = String.Format("Damage: {0} from {1}: > 1276 points with {2} damage type!",
                              dam, ch.IsNPC() ? ch.ShortDescription : ch.Name, skill);
                }
                Log.Error( text, 0 );
                dam = 1276;
            }

            // Remove memorization and meditation bits - Xangis
            victim.BreakMeditate();
            victim.BreakMemorization();
            if (victim.IsAffected( Affect.AFFECT_MINOR_PARA))
            {
                SocketConnection.Act( "$n&n disrupts the magic preventing $N&n from moving.", ch, null, victim, SocketConnection.MessageTarget.room_vict );
                SocketConnection.Act( "You disrupt the magic preventing $N&n from moving.", ch, null, victim, SocketConnection.MessageTarget.character );
                SocketConnection.Act( "&+YYou can move again.&n", ch, null, victim, SocketConnection.MessageTarget.victim );
                victim.RemoveAffect( Affect.AFFECT_MINOR_PARA );
            }

            bool immune = false;
            if( victim != ch )
            {
                /*
                * Certain attacks are forbidden.
                * Most other attacks are returned.
                */
                victim = CheckGuarding( ch, victim );
                if( IsSafe( ch, victim ) )
                    return false;
                // is_safe could wipe out victim, as it calls procs if a boss
                // check and see that victim is still valid
                if( victim == null )
                    return true;
                Crime.CheckAttemptedMurder( ch, victim );
                if( victim.CurrentPosition > Position.stunned )
                {
                    if( !victim.Fighting )
                        SetFighting( victim, ch );
                    // Can't have prone people automatically stand
                    if( victim.CurrentPosition == Position.standing )
                        victim.CurrentPosition = Position.fighting;

                    if( !ch.Fighting )
                        SetFighting( ch, victim );

                    /*
                    * If NPC victim is following, ch might attack victim's master.
                    * No charm check here because charm would be dispelled from
                    * tanking mobile when combat ensues thus ensuring PC charmer is
                    * not harmed.
                    * Check for IsSameGroup wont work as following mobile is not
                    * always grouped with PC charmer
                    *
                    * Added a check for whether ch has switch skill.  If not,
                    * much lower chancing of retargetting
                    */
                    if( ch.IsNPC()
                            && victim.IsNPC()
                            && victim.Master
                            && victim.Master.InRoom == ch.InRoom
                            && MUDMath.NumberBits( 2 ) == 0 )
                    {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
            }

            /*
            * Stop up any residual loopholes.
            */
            // 1275 is average damage from Akiaurn's Power Word
            // I changed this to reflect that.
            if( ( dam > 1275 ) && ch.Level < Limits.LEVEL_AVATAR && ch.GetRace() != Race.RACE_DRAGON )
            {
                string buf3;

                if( ch.IsNPC() && ch.Socket )
                    buf3 = String.Format(
                              "Spell_Damage: {0} from {1} by {2}: > 1275 points with {3} spell!",
                              dam, ch.Name, ch.Socket.Original.Name, spell.Name );
                else
                    buf3 = String.Format(
                              "Spell_Damage: {0} from {1}: > 1275 points with {2} spell!",
                              dam, ch.IsNPC() ? ch.ShortDescription : ch.Name, spell.Name );

                Log.Error( buf3, 0 );
                dam = 1275;
            }

            if (victim.IsAffected( Affect.AFFECT_MINOR_PARA)
                    && !( victim.GetRace() == Race.RACE_FIRE_ELE && damType == AttackType.DamageType.fire )
                    && !( victim.GetRace() == Race.RACE_WATER_ELE && damType == AttackType.DamageType.water )
                    && !( victim.GetRace() == Race.RACE_EARTH_ELE && damType == AttackType.DamageType.earth )
                    && !( victim.GetRace() == Race.RACE_AIR_ELE && damType == AttackType.DamageType.wind ) )
            {
                SocketConnection.Act( "$n&n disrupts the magic preventing $N&n from moving.", ch, null, victim, SocketConnection.MessageTarget.room_vict );
                SocketConnection.Act( "You disrupt the magic preventing $N&n from moving.", ch, null, victim, SocketConnection.MessageTarget.character );
                SocketConnection.Act( "&+YYou can move again.&n", ch, null, victim, SocketConnection.MessageTarget.victim );
                victim.RemoveAffect( Affect.AFFECT_MINOR_PARA );
                victim.AffectStrip( Affect.AffectType.spell, "earthen grasp" );
                victim.AffectStrip( Affect.AffectType.spell, "greater earthen grasp");
            }

            bool immune = false;
            if( victim != ch )
            {
                /*
                * Certain attacks are forbidden.
                * Most other attacks are returned.
                */
                if( IsSafe( ch, victim ) )
                    return false;
                // is_safe could wipe out victim, as it calls procs if a boss
                // check and see that victim is still valid
                if( !victim )
                    return true;
                Crime.CheckAttemptedMurder( ch, victim );

                if( victim.CurrentPosition > Position.stunned
                        && !( victim.GetRace() == Race.RACE_FIRE_ELE && damType == AttackType.DamageType.fire )
                        && !( victim.GetRace() == Race.RACE_WATER_ELE && damType == AttackType.DamageType.water )
                        && !( victim.GetRace() == Race.RACE_EARTH_ELE && damType == AttackType.DamageType.earth )
                        && !( victim.GetRace() == Race.RACE_AIR_ELE && damType == AttackType.DamageType.wind ) )
                {
                    // Offensive spells engage victim if not fighting, and
                    //   caster only if neither are fighting.
                    if( !victim.Fighting && victim.InRoom == ch.InRoom
                            && victim.FlightLevel == ch.FlightLevel )
                    {
                        SetFighting( victim, ch );
                        if( !ch.Fighting )

        public static void StopFollower( CharData ch )
        {
            if( !ch )
            {
                Log.Error("StopFollower called with no CH argument.\r\n", 0);
                return;
            }

            if( !ch.Master )
            {
                Log.Error("StopFollower: null master.", 0);
                return;
            }

            if( ch.IsAffected( Affect.AFFECT_CHARM ) )
            {
                ch.RemoveAffect(Affect.AFFECT_CHARM);
                ch.AffectStrip( Affect.AffectType.spell, "domination");
            }

            if( ch.Master != ch && CanSee( ch.Master, ch ) && ch.Master.InRoom )
                SocketConnection.Act( "$n&n stops following you.", ch, null, ch.Master, SocketConnection.MessageTarget.victim );
            if( ch.InRoom )
                SocketConnection.Act( "You stop following $N&n.", ch, null, ch.Master, SocketConnection.MessageTarget.character );

            // Remove the follower from the list of followers
            foreach( CharData follower in ch.Master.Followers )
            {
                if( follower == ch )
                {
                    ch.Master.Followers.Remove( follower );
                }
            }

            ch.Master = null;

            return;
        }

        /// <summary>
        /// Extracts a character from the world.  If delete is true, it then deletes that character.
        /// </summary>
        /// <param name="ch"></param>
        /// <param name="delete"></param>
        public static void ExtractChar( CharData ch, bool delete )
        {
            if( ch == null )
            {
                Log.Error( "ExtractChar: null ch.", 0 );
                return;
            }

            try
            {
                if (ch.Fighting)
                {
                    Combat.StopFighting(ch, true);
                }

                Magic.ForgetAllSpells(ch);

                Event.DeleteAttachedEvents(ch);

                // Remove any affects we want to be gone next time they log in.
                ch.RemoveAffect(Affect.AFFECT_CASTING);
                ch.RemoveAffect(Affect.AFFECT_SINGING);

                // Meaning they're dead for good or have left the game.
                if (delete)
                {
                    string name;

                    if (ch.IsNPC())
                    {
                        name = ch.ShortDescription;
                    }
                    else
                    {
                        name = ch.Name;
                    }

                    ch.DieFollower(name);
                    if (ch.GroupLeader || ch.NextInGroup)
                    {
                        ch.RemoveFromGroup(ch);
                    }

                    /* Get rid of weapons _first_ */

                    {
                        Object obj3 = Object.GetEquipmentOnCharacter(ch, ObjTemplate.WearLocation.hand_one);
                        Object obj2 = Object.GetEquipmentOnCharacter(ch, ObjTemplate.WearLocation.hand_two);

                        if (obj3 != null)
                        {
                            obj3.RemoveFromWorld();
                        }

                        /* Now kill obj2 if it exists no matter if on body or floor */
                        if (obj2)
                        {
                            obj2.RemoveFromWorld();
                        }
                    }

                    for (int i = ch.Carrying.Count - 1; i >= 0; --i)
                    {
                        ch.Carrying[i].RemoveFromWorld();
                    }
                }

                CharData worldChar;
                for (int xx = Database.CharList.Count - 1; xx >= 0; xx--)
                {
                    worldChar = Database.CharList[xx];
                    if (worldChar.ReplyTo == ch)
                    {
                        worldChar.ReplyTo = null;
                    }
                    if (worldChar.IsConsenting(ch))
                    {
                        worldChar.StopConsenting(ch);
                        SocketConnection.Act("You stop consenting $N&n.", worldChar, null, ch, SocketConnection.MessageTarget.character);
                    }
                    if (worldChar.IsIgnoring(ch))
                    {
                        worldChar.StopIgnoring(ch);
                        SocketConnection.Act("You stop ignoring $N&n.", worldChar, null, ch, SocketConnection.MessageTarget.character);
                    }
                    if (!worldChar.IsNPC() && ((PC)worldChar).Guarding == ch)
                    {
                        ((PC)worldChar).Guarding = null;
                        SocketConnection.Act("You stop guarding $N&n.", worldChar, null, ch, SocketConnection.MessageTarget.character);
                    }
                    if (worldChar.IsHating(ch))
                        worldChar.StopHating(ch);
                    if (worldChar.Hunting && worldChar.Hunting.Who == ch)
                        Combat.StopHunting(worldChar);
                    if (worldChar.Fearing && worldChar.Fearing.Who == ch)
//.........这里部分代码省略.........

        /// <summary>
        /// When a spell event terminates, we need something to happen.
        /// 
        /// By this point we should have terminated the spell/song event data
        /// and should only need the info about the character and the spell
        /// and the argument(s).
        /// 
        /// Passing of the correct function parameters should be handled by the
        /// event system.
        /// </summary>
        /// <param name="ch">The caster</param>
        /// <param name="spell">The spell number</param>
        /// <param name="target">The _targetType</param>
        public static void FinishSpell( CharData ch, Spell spell, Target target )
        {
            Object obj;
            int chance = 0;
            bool found = false;

            string lbuf = String.Format("Magic.FinishSpell: {0} by {1}", spell.Name, ch.Name);
            Log.Trace( lbuf );

            for( int i = Database.CastList.Count - 1; i >= 0; i--)
            {
                if (Database.CastList[i].Who && Database.CastList[i].Who == ch)
                {
                    Database.CastList.RemoveAt( i );
                }
            }

            // If they're not casting at the end of the song or spell
            // they certainly can't finish it.
            if( ch.IsAffected( Affect.AFFECT_CASTING ) )
                ch.RemoveAffect( Affect.AFFECT_CASTING );
            else
            {
                return;
            }

            if( !ch.CheckConcentration(spell) )
                return;

            if( ( ch.IsAffected( Affect.AFFECT_MUTE ) || ch.HasInnate( Race.RACE_MUTE ) )
                    && !ch.IsClass( CharClass.Names.psionicist ) )
            {
                ch.SendText( "Your lips move but no sound comes out.\r\n" );
                return;
            }

            // Make sure the room is still castable.
            if( !ch.InRoom.CheckCastable( ch, false, false ) )
                return;

            if( ch.InRoom.CheckStarshell( ch ) )
                return;

            MemorizeData memorized = null;
            if (!ch.IsNPC() && !ch.IsImmortal() && !ch.IsClass(CharClass.Names.psionicist))
            {
                foreach( MemorizeData mem in ((PC)ch).Memorized )
                {
                    if( !mem.Memmed )
                        continue;
                    if( mem.Name == spell.Name )
                    {
                        found = true;
                        memorized = mem;
                        break;
                    }
                }

                if (!found && !ch.IsNPC() && !ch.IsClass(CharClass.Names.psionicist))
                {
                    ch.SendText( "You do not have that spell memorized!\r\n" );
                    if( spell.ValidTargets == TargetType.objectOrCharacter )
                        target = null;
                    else if( spell.ValidTargets == TargetType.none )
                        target = null;
                    return;
                }
            }

            if( ch.IsAffected( Affect.AFFECT_FEEBLEMIND ) )
            {
                ch.SendText( "You are just too stupid to cast that spell!\r\n" );
                SocketConnection.Act( "$n&n screws up $s face in concentration.", ch, null, null, SocketConnection.MessageTarget.room );
                SocketConnection.Act( "$n&n tries really, really hard to complete a spell, but fails.", ch, null, null, SocketConnection.MessageTarget.room );
                return;
            }

            // Locate targets.
            CharData victim = null;
            switch( spell.ValidTargets )
            {
                default:
                    Log.Trace( "FinishSpell: bad TargetType for spell {1}.", spell );
                    return;
                case TargetType.objectOrCharacter:
                    if( ch.IsAffected( Affect.AFFECT_BLIND ) )
                    {
//.........这里部分代码省略.........

        public static void Chameleon(CharData ch, string[] str)
        {
            if( ch == null ) return;
            if (!ch.IsNPC() && !ch.HasSkill("chameleon power"))
            {
                ch.SendText("You don't know how to act like a chameleon.\r\n");
                return;
            }

            ch.SendText("You attempt to blend in with your surroundings.\r\n");

            if (ch.IsAffected(Affect.AFFECT_HIDE))
            {
                ch.RemoveAffect(Affect.AFFECT_HIDE);
            }

            if (ch.CheckSkill("chameleon power"))
            {
                ch.SetAffectBit(Affect.AFFECT_HIDE);
            }

            return;
        }

        /// <summary>
        /// Set ch as fighting victim.
        /// </summary>
        /// <param name="ch"></param>
        /// <param name="victim"></param>
        public static void SetFighting( CharData ch, CharData victim )
        {
            if( ch == victim )
                return;

            if( ch.Fighting )
            {
                Log.Error( "Set_fighting: already fighting", 0 );
                string buf = String.Format( "...{0} attacking {1} at {2}",
                                            ( ch.IsNPC() ? ch.ShortDescription : ch.Name ),
                                            ( victim.IsNPC() ? victim.ShortDescription : victim.Name ),
                                            victim.InRoom.IndexNumber );
                Log.Error( buf, 0 );
                return;
            }

            if (ch.IsAffected(Affect.AFFECT_SLEEP))
            {
                ch.RemoveAffect(Affect.AFFECT_SLEEP);
            }

            if( ch.FlightLevel != victim.FlightLevel )
            {
                StartGrudge( ch, victim, false );
                return;
            }

            ch.Fighting = victim;
            if( ch.CurrentPosition == Position.standing )
                ch.CurrentPosition = Position.fighting;

            return;
        }