Reorganizes Project (#41)

Projects/Scripts/SpecialSystems/Engines/GiftGiving.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using Server.Accounting;
+
+namespace Server.Misc
+{
+  public enum GiftResult
+  {
+    Backpack,
+    BankBox
+  }
+
+  public class GiftGiving
+  {
+    private static List<GiftGiver> m_Givers = new List<GiftGiver>();
+
+    public static void Register(GiftGiver giver)
+    {
+      m_Givers.Add(giver);
+    }
+
+    public static void Initialize()
+    {
+      EventSink.Login += EventSink_Login;
+    }
+
+    private static void EventSink_Login(LoginEventArgs e)
+    {
+      if (!(e.Mobile.Account is Account acct))
+        return;
+
+      DateTime now = DateTime.UtcNow;
+
+      for (int i = 0; i < m_Givers.Count; ++i)
+      {
+        GiftGiver giver = m_Givers[i];
+
+        if (now < giver.Start || now >= giver.Finish)
+          continue; // not in the correct time frame
+
+        if (acct.Created > giver.Start - giver.MinimumAge)
+          continue; // newly created account
+
+        if (acct.LastLogin >= giver.Start)
+          continue; // already got one
+
+        giver.DelayGiveGift(TimeSpan.FromSeconds(5.0), e.Mobile);
+      }
+
+      acct.LastLogin = now;
+    }
+  }
+
+  public abstract class GiftGiver
+  {
+    public virtual TimeSpan MinimumAge => TimeSpan.FromDays(30.0);
+
+    public abstract DateTime Start{ get; }
+    public abstract DateTime Finish{ get; }
+    public abstract void GiveGift(Mobile mob);
+
+    public virtual void DelayGiveGift(TimeSpan delay, Mobile mob)
+    {
+      Timer.DelayCall(delay, GiveGift, mob);
+    }
+
+    public virtual GiftResult GiveGift(Mobile mob, Item item)
+    {
+      if (mob.PlaceInBackpack(item) && !WeightOverloading.IsOverloaded(mob))
+        return GiftResult.Backpack;
+
+      mob.BankBox.DropItem(item);
+      return GiftResult.BankBox;
+    }
+  }
+}