Reorganizes Project (#41)

Projects/Scripts/Spells/Bushido/CounterAttack.cs

@@ -0,0 +1,108 @@
+using System;
+using System.Collections.Generic;
+using Server.Items;
+
+namespace Server.Spells.Bushido
+{
+  public class CounterAttack : SamuraiSpell
+  {
+    private static SpellInfo m_Info = new SpellInfo(
+      "CounterAttack", null,
+      -1,
+      9002
+    );
+
+    private static Dictionary<Mobile, Timer> m_Table = new Dictionary<Mobile, Timer>();
+
+    public CounterAttack(Mobile caster, Item scroll) : base(caster, scroll, m_Info)
+    {
+    }
+
+    public override TimeSpan CastDelayBase => TimeSpan.FromSeconds(0.25);
+
+    public override double RequiredSkill => 40.0;
+    public override int RequiredMana => 5;
+
+    public override bool CheckCast()
+    {
+      if (!base.CheckCast())
+        return false;
+
+      if (Caster.FindItemOnLayer(Layer.TwoHanded) is BaseShield)
+        return true;
+
+      if (Caster.FindItemOnLayer(Layer.OneHanded) is BaseWeapon)
+        return true;
+
+      if (Caster.FindItemOnLayer(Layer.TwoHanded) is BaseWeapon)
+        return true;
+
+      Caster.SendLocalizedMessage(1062944); // You must have a weapon or a shield equipped to use this ability!
+      return false;
+    }
+
+    public override void OnBeginCast()
+    {
+      base.OnBeginCast();
+
+      Caster.FixedEffect(0x37C4, 10, 7, 4, 3);
+    }
+
+    public override void OnCast()
+    {
+      if (CheckSequence())
+      {
+        Caster.SendLocalizedMessage(1063118); // You prepare to respond immediately to the next blocked blow.
+
+        OnCastSuccessful(Caster);
+
+        StartCountering(Caster);
+      }
+
+      FinishSequence();
+    }
+
+    public static bool IsCountering(Mobile m)
+    {
+      return m_Table.ContainsKey(m);
+    }
+
+    public static void StartCountering(Mobile m)
+    {
+      m_Table.TryGetValue(m, out Timer timer);
+      timer?.Stop();
+
+      m_Table[m] = timer = new InternalTimer(m);
+
+      timer.Start();
+    }
+
+    public static void StopCountering(Mobile m)
+    {
+      if (m_Table.TryGetValue(m, out Timer timer))
+      {
+        timer.Stop();
+        m_Table.Remove(m);
+      }
+
+      OnEffectEnd(m, typeof(CounterAttack));
+    }
+
+    private class InternalTimer : Timer
+    {
+      private Mobile m_Mobile;
+
+      public InternalTimer(Mobile m) : base(TimeSpan.FromSeconds(30.0))
+      {
+        m_Mobile = m;
+        Priority = TimerPriority.TwoFiftyMS;
+      }
+
+      protected override void OnTick()
+      {
+        StopCountering(m_Mobile);
+        m_Mobile.SendLocalizedMessage(1063119); // You return to your normal stance.
+      }
+    }
+  }
+}