Reorganizes Project (#41)

Projects/Scripts/Engines/Khaldun/RaisableItem.cs

@@ -0,0 +1,170 @@
+using System;
+
+namespace Server.Items
+{
+  public class RaisableItem : Item
+  {
+    private int m_Elevation;
+    private int m_MaxElevation;
+    private RaiseTimer m_RaiseTimer;
+
+    [Constructible]
+    public RaisableItem(int itemID) : this(itemID, 20, -1, -1, TimeSpan.FromMinutes(1.0))
+    {
+    }
+
+    [Constructible]
+    public RaisableItem(int itemID, int maxElevation, TimeSpan closeDelay) : this(itemID, maxElevation, -1, -1,
+      closeDelay)
+    {
+    }
+
+    [Constructible]
+    public RaisableItem(int itemID, int maxElevation, int moveSound, int stopSound, TimeSpan closeDelay) : base(itemID)
+    {
+      Movable = false;
+
+      m_MaxElevation = maxElevation;
+      MoveSound = moveSound;
+      StopSound = stopSound;
+      CloseDelay = closeDelay;
+    }
+
+    public RaisableItem(Serial serial) : base(serial)
+    {
+    }
+
+    [CommandProperty(AccessLevel.GameMaster)]
+    public int MaxElevation
+    {
+      get => m_MaxElevation;
+      set
+      {
+        if (value <= 0)
+          m_MaxElevation = 0;
+        else if (value >= 60)
+          m_MaxElevation = 60;
+        else
+          m_MaxElevation = value;
+      }
+    }
+
+    [CommandProperty(AccessLevel.GameMaster)]
+    public int MoveSound{ get; set; }
+
+    [CommandProperty(AccessLevel.GameMaster)]
+    public int StopSound{ get; set; }
+
+    [CommandProperty(AccessLevel.GameMaster)]
+    public TimeSpan CloseDelay{ get; set; }
+
+    public bool IsRaisable => m_RaiseTimer == null;
+
+    public void Raise()
+    {
+      if (!IsRaisable)
+        return;
+
+      m_RaiseTimer = new RaiseTimer(this);
+      m_RaiseTimer.Start();
+    }
+
+    public override void Serialize(GenericWriter writer)
+    {
+      base.Serialize(writer);
+
+      writer.WriteEncodedInt(0); // version
+
+      writer.WriteEncodedInt(m_MaxElevation);
+      writer.WriteEncodedInt(MoveSound);
+      writer.WriteEncodedInt(StopSound);
+      writer.Write(CloseDelay);
+
+      writer.WriteEncodedInt(m_Elevation);
+    }
+
+    public override void Deserialize(GenericReader reader)
+    {
+      base.Deserialize(reader);
+
+      int version = reader.ReadEncodedInt();
+
+      m_MaxElevation = reader.ReadEncodedInt();
+      MoveSound = reader.ReadEncodedInt();
+      StopSound = reader.ReadEncodedInt();
+      CloseDelay = reader.ReadTimeSpan();
+
+      int elevation = reader.ReadEncodedInt();
+      Z -= elevation;
+    }
+
+    private class RaiseTimer : Timer
+    {
+      private DateTime m_CloseTime;
+      private RaisableItem m_Item;
+      private int m_Step;
+      private bool m_Up;
+
+      public RaiseTimer(RaisableItem item) : base(TimeSpan.Zero, TimeSpan.FromSeconds(0.5))
+      {
+        m_Item = item;
+        m_CloseTime = DateTime.UtcNow + item.CloseDelay;
+        m_Up = true;
+
+        Priority = TimerPriority.TenMS;
+      }
+
+      protected override void OnTick()
+      {
+        if (m_Item.Deleted)
+        {
+          Stop();
+          return;
+        }
+
+        if (m_Step++ % 3 == 0)
+        {
+          if (m_Up)
+          {
+            m_Item.Z++;
+
+            if (++m_Item.m_Elevation >= m_Item.MaxElevation)
+            {
+              Stop();
+
+              if (m_Item.StopSound >= 0)
+                Effects.PlaySound(m_Item.Location, m_Item.Map, m_Item.StopSound);
+
+              m_Up = false;
+              m_Step = 0;
+
+              TimeSpan delay = m_CloseTime - DateTime.UtcNow;
+              DelayCall(delay > TimeSpan.Zero ? delay : TimeSpan.Zero, Start);
+
+              return;
+            }
+          }
+          else
+          {
+            m_Item.Z--;
+
+            if (--m_Item.m_Elevation <= 0)
+            {
+              Stop();
+
+              if (m_Item.StopSound >= 0)
+                Effects.PlaySound(m_Item.Location, m_Item.Map, m_Item.StopSound);
+
+              m_Item.m_RaiseTimer = null;
+
+              return;
+            }
+          }
+        }
+
+        if (m_Item.MoveSound >= 0)
+          Effects.PlaySound(m_Item.Location, m_Item.Map, m_Item.MoveSound);
+      }
+    }
+  }
+}