9b554f69b0
### Changes/Fixes:
* Adds timer pooling.
* Allows pool to be configurable in ModernUO.json
* Pool replenishes itself asynchronously if depleted.
* Fixes an issue with barkeeps and town criers
* Fixes an issue with incognito buff icons not being removed
* Fixes an issue with polymorph name mod not being removed
* Fixes several places where timers go on forever even after an object is deleted, keeping a reference (memory leak)
* Eliminates the timer for MiningCart altogether.
* Deletes `AcidSlime` since it is a duplicate of `PoolOfAcid`
* Fixes HonorableExecution and standardizes the code for other Bushido moves.
## Changes to the Timer API:
```cs
public class Timer
{
// Creates a timer that will be returned to the pool once execution stops.
public static void StartTimer(Action callback);
public static void StartTimer(TimeSpan delay, Action callback);
public static void StartTimer(TimeSpan delay, TimeSpan interval, Action callback);
public static void StartTimer(TimeSpan interval, int count, Action callback);
public static void StartTimer(TimeSpan delay, TimeSpan interval, int count, Action callback);
// Creates a timer and returns a token for more control. Requires manual cancellation in order for the timer to be returned to the pool.
// If the token is dereferenced, the timer will be dereferenced too. While not returning a timer to the pool is not considered hazardous, it does defeat the purpose of pooled timers.
public static void StartTimer(Action callback, out TimerExecutionToken token);
public static void StartTimer(TimeSpan delay, Action callback, out TimerExecutionToken token);
public static void StartTimer(TimeSpan delay, TimeSpan interval, Action callback, out TimerExecutionToken token);
public static void StartTimer(TimeSpan interval, int count, Action callback, out TimerExecutionToken token);
public static void StartTimer(TimeSpan delay, TimeSpan interval, int count, Action callback, out TimerExecutionToken token);
// If you aren't sure how to use the API above, or you don't care about performance, then you can use the old RunUO Timer.DelayCall
public static DelayCallTimer DelayCall(Action callback);
public static DelayCallTimer DelayCall(TimeSpan delay, Action callback);
public static DelayCallTimer DelayCall(TimeSpan delay, TimeSpan interval, Action callback);
public static DelayCallTimer DelayCall(TimeSpan interval, int count, Action callback);
public static DelayCallTimer DelayCall(TimeSpan delay, TimeSpan interval, int count, Action callback);
}
public struct TimerExecutionToken
{
public bool Running { get; }
public int Index { get; }
public int RemainingCount { get; }
public DateTime Next { get; }
}
```
## When to use `TimerExecutionToken`?
Use tokens when you want to gain the performance benefit of using a pooled timer, but you need one of the following:
* Access to the next time the timer will tick:`token.Next`
* Access to which interval, how many intervals there are, or how many are remaining: `token.Index`, `token.Count`, and `token.RemainingCount`
* Stop a timer manually.
* Determine if the timer is running: `timer.Running`
* See notes below about requirements for using tokens!
## Notes about using the TimerExecutionToken:
When you opt-in to receive a token, you must call `Cancel()` to return the timer. This can be done inside of the callback, or outside of the callback at any time.
If this is not called and your timer is an infinite interval, then you will create a potential memory leak, or null pointer exception in your callback.
If the timer ends and is stopped, but cancel is not called, then the timer will never return to the pool and stay referenced until the token is deleted or cancel is called. (Memory leak)
## Is this thread safe?
No. The ModernUO timer system is not thread safe at all. If you require a thread safe timer system, contact me and I'll help adapt this system. Keep in mind that there is a massive performance hit to make this thread safe when there are literally no use cases for it.
If you need to synchronize execution, meaning you want to execute code from another thread on the core thread. Let's say you have a discord bot that is pushing commands to the game server. Then use `EventLoopContext.Post(SendOrPostCallback callback, object state);`.
361 lines
9.7 KiB
C#
361 lines
9.7 KiB
C#
using System;
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using Server.Gumps;
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using Server.Items;
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using Server.Mobiles;
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using Server.Network;
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namespace Server.Engines.Quests.Doom
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{
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public class Chyloth : BaseQuester
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{
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private static readonly int[] m_Offsets =
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{
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-1, -1,
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-1, 0,
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-1, 1,
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0, -1,
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0, 1,
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1, -1,
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1, 0,
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1, 1
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};
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[Constructible]
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public Chyloth() : base("the Ferryman")
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{
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}
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public Chyloth(Serial serial) : base(serial)
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{
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}
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public override string DefaultName => "Chyloth";
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public BellOfTheDead Bell { get; set; }
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public Mobile AngryAt { get; set; }
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public override void InitBody()
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{
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InitStats(100, 100, 25);
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Hue = 0x8455;
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Body = 0x190;
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}
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public override void InitOutfit()
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{
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EquipItem(new ChylothShroud());
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EquipItem(new ChylothStaff());
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}
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public virtual void BeginGiveWarning()
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{
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if (Deleted || AngryAt == null)
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{
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return;
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}
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Timer.StartTimer(TimeSpan.FromSeconds(4.0), EndGiveWarning);
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}
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public virtual void EndGiveWarning()
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{
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if (Deleted || AngryAt == null)
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{
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return;
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}
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PublicOverheadMessage(
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MessageType.Regular,
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0x3B2,
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1050013,
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AngryAt.Name
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); // You have summoned me in vain ~1_NAME~! Only the dead may cross!
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PublicOverheadMessage(MessageType.Regular, 0x3B2, 1050014); // Why have you disturbed me, mortal?!?
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BeginSummonDragon();
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}
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public virtual void BeginSummonDragon()
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{
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if (Deleted || AngryAt == null)
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{
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return;
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}
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Timer.StartTimer(TimeSpan.FromSeconds(30.0), EndSummonDragon);
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}
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public virtual void BeginRemove(TimeSpan delay)
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{
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Timer.StartTimer(delay, EndRemove);
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}
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public virtual void EndRemove()
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{
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if (Deleted)
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{
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return;
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}
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var loc = Location;
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var map = Map;
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Effects.SendLocationParticles(
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EffectItem.Create(loc, map, EffectItem.DefaultDuration),
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0x3728,
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10,
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10,
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0,
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0,
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2023,
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0
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);
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Effects.PlaySound(loc, map, 0x1FE);
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Delete();
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}
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public virtual void EndSummonDragon()
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{
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if (Deleted || AngryAt == null)
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{
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return;
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}
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var map = AngryAt.Map;
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if (map == null)
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{
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return;
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}
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if (!AngryAt.Region.IsPartOf("Doom"))
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{
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return;
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}
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PublicOverheadMessage(MessageType.Regular, 0x3B2, 1050015); // Feel the wrath of my legions!!!
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PublicOverheadMessage(MessageType.Regular, 0x3B2, false, "MUHAHAHAHA HAHAH HAHA"); // A wee bit crazy, aren't we?
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var dragon = new SkeletalDragon();
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var offset = Utility.Random(8) * 2;
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var foundLoc = false;
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for (var i = 0; i < m_Offsets.Length; i += 2)
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{
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var x = AngryAt.X + m_Offsets[(offset + i) % m_Offsets.Length];
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var y = AngryAt.Y + m_Offsets[(offset + i + 1) % m_Offsets.Length];
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if (map.CanSpawnMobile(x, y, AngryAt.Z))
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{
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dragon.MoveToWorld(new Point3D(x, y, AngryAt.Z), map);
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foundLoc = true;
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break;
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}
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var z = map.GetAverageZ(x, y);
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if (map.CanSpawnMobile(x, y, z))
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{
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dragon.MoveToWorld(new Point3D(x, y, z), map);
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foundLoc = true;
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break;
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}
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}
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if (!foundLoc)
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{
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dragon.MoveToWorld(AngryAt.Location, map);
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}
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dragon.Combatant = AngryAt;
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if (Bell != null)
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{
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Bell.Dragon = dragon;
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}
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}
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public static void TeleportToFerry(Mobile from)
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{
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var loc = new Point3D(408, 251, 2);
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var map = Map.Malas;
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Effects.SendLocationParticles(
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EffectItem.Create(loc, map, EffectItem.DefaultDuration),
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0x3728,
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10,
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10,
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0,
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0,
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2023,
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0
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);
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Effects.PlaySound(loc, map, 0x1FE);
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TeleportPets(from, loc, map);
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from.MoveToWorld(loc, map);
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}
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public override bool OnDragDrop(Mobile from, Item dropped)
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{
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if (dropped is GoldenSkull)
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{
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dropped.Delete();
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PublicOverheadMessage(
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MessageType.Regular,
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0x3B2,
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1050046,
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from.Name
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); // Very well, ~1_NAME~, I accept your token. You may cross.
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BeginRemove(TimeSpan.FromSeconds(4.0));
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var p = PartySystem.Party.Get(from);
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for (var i = 0; i < p?.Members.Count; ++i)
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{
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var pmi = p.Members[i];
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var member = pmi.Mobile;
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if (member != from && member.Map == Map.Malas && member.Region.IsPartOf("Doom"))
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{
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if (AngryAt == member)
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{
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AngryAt = null;
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}
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member.CloseGump<ChylothPartyGump>();
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member.SendGump(new ChylothPartyGump(from, member));
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}
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}
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if (AngryAt == from)
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{
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AngryAt = null;
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}
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TeleportToFerry(from);
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return false;
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}
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return base.OnDragDrop(from, dropped);
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}
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public override bool CanTalkTo(PlayerMobile to) => false;
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public override void OnTalk(PlayerMobile player, bool contextMenu)
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{
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}
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public override void Serialize(IGenericWriter writer)
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{
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base.Serialize(writer);
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writer.Write(0); // version
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}
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public override void Deserialize(IGenericReader reader)
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{
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base.Deserialize(reader);
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var version = reader.ReadInt();
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}
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}
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public class ChylothPartyGump : Gump
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{
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private readonly Mobile m_Leader;
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private readonly Mobile m_Member;
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public ChylothPartyGump(Mobile leader, Mobile member) : base(150, 50)
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{
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m_Leader = leader;
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m_Member = member;
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Closable = false;
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AddPage(0);
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AddImage(0, 0, 3600);
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AddImageTiled(0, 14, 15, 200, 3603);
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AddImageTiled(380, 14, 14, 200, 3605);
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AddImage(0, 201, 3606);
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AddImageTiled(15, 201, 370, 16, 3607);
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AddImageTiled(15, 0, 370, 16, 3601);
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AddImage(380, 0, 3602);
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AddImage(380, 201, 3608);
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AddImageTiled(15, 15, 365, 190, 2624);
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AddRadio(30, 140, 9727, 9730, true, 1);
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AddHtmlLocalized(65, 145, 300, 25, 1050050, 0x7FFF); // Yes, let's go!
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AddRadio(30, 175, 9727, 9730, false, 0);
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AddHtmlLocalized(65, 178, 300, 25, 1050049, 0x7FFF); // No thanks, I'd rather stay here.
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AddHtmlLocalized(
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30,
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20,
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360,
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35,
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1050047,
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0x7FFF
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); // Another player has paid Chyloth for your passage across lake Mortis:
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AddHtmlLocalized(30, 105, 345, 40, 1050048, 0x5B2D); // Do you wish to accept their invitation at this time?
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AddImage(65, 72, 5605);
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AddImageTiled(80, 90, 200, 1, 9107);
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AddImageTiled(95, 92, 200, 1, 9157);
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AddLabel(90, 70, 1645, leader.Name);
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AddButton(290, 175, 247, 248, 2);
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AddImageTiled(15, 14, 365, 1, 9107);
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AddImageTiled(380, 14, 1, 190, 9105);
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AddImageTiled(15, 205, 365, 1, 9107);
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AddImageTiled(15, 14, 1, 190, 9105);
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AddImageTiled(0, 0, 395, 1, 9157);
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AddImageTiled(394, 0, 1, 217, 9155);
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AddImageTiled(0, 216, 395, 1, 9157);
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AddImageTiled(0, 0, 1, 217, 9155);
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}
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public override void OnResponse(NetState sender, RelayInfo info)
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{
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if (info.ButtonID == 2 && info.IsSwitched(1))
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{
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if (m_Member.Region.IsPartOf("Doom"))
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{
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m_Leader.SendLocalizedMessage(
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1050054,
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m_Member.Name
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); // ~1_NAME~ has accepted your invitation to cross lake Mortis.
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Chyloth.TeleportToFerry(m_Member);
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}
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else
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{
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m_Member.SendLocalizedMessage(1050051); // The invitation has been revoked.
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}
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}
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else
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{
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m_Member.SendLocalizedMessage(1050052); // You have declined their invitation.
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m_Leader.SendLocalizedMessage(
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1050053,
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m_Member.Name
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); // ~1_NAME~ has declined your invitation to cross lake Mortis.
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}
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}
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}
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}
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