Reorganizes Project (#41)

Projects/Scripts/Engines/Harvest/Core/HarvestBank.cs

@@ -0,0 +1,91 @@
+using System;
+
+namespace Server.Engines.Harvest
+{
+  public class HarvestBank
+  {
+    private int m_Current;
+    private int m_Maximum;
+    private DateTime m_NextRespawn;
+    private HarvestVein m_Vein, m_DefaultVein;
+
+    public HarvestBank(HarvestDefinition def, HarvestVein defaultVein)
+    {
+      m_Maximum = Utility.RandomMinMax(def.MinTotal, def.MaxTotal);
+      m_Current = m_Maximum;
+      m_DefaultVein = defaultVein;
+      m_Vein = m_DefaultVein;
+
+      Definition = def;
+    }
+
+    public HarvestDefinition Definition{ get; }
+
+    public int Current
+    {
+      get
+      {
+        CheckRespawn();
+        return m_Current;
+      }
+    }
+
+    public HarvestVein Vein
+    {
+      get
+      {
+        CheckRespawn();
+        return m_Vein;
+      }
+      set => m_Vein = value;
+    }
+
+    public HarvestVein DefaultVein
+    {
+      get
+      {
+        CheckRespawn();
+        return m_DefaultVein;
+      }
+    }
+
+    public void CheckRespawn()
+    {
+      if (m_Current == m_Maximum || m_NextRespawn > DateTime.UtcNow)
+        return;
+
+      m_Current = m_Maximum;
+
+      if (Definition.RandomizeVeins) m_DefaultVein = Definition.GetVeinFrom(Utility.RandomDouble());
+
+      m_Vein = m_DefaultVein;
+    }
+
+    public void Consume(int amount, Mobile from)
+    {
+      CheckRespawn();
+
+      if (m_Current == m_Maximum)
+      {
+        double min = Definition.MinRespawn.TotalMinutes;
+        double max = Definition.MaxRespawn.TotalMinutes;
+        double rnd = Utility.RandomDouble();
+
+        m_Current = m_Maximum - amount;
+
+        double minutes = min + rnd * (max - min);
+        if (Definition.RaceBonus && from.Race == Race.Elf) //def.RaceBonus = Core.ML
+          minutes *= .75; //25% off the time.  
+
+        m_NextRespawn = DateTime.UtcNow + TimeSpan.FromMinutes(minutes);
+      }
+      else
+      {
+        m_Current -= amount;
+      }
+
+      if (m_Current < 0)
+        m_Current = 0;
+    }
+  }
+}