Reorganizes Project (#41)

Projects/Scripts/Items/Weapons/Abilities/ConcussionBlow.cs

@@ -0,0 +1,52 @@
+using System;
+
+namespace Server.Items
+{
+  /// <summary>
+  ///   This devastating strike is most effective against those who are in good health and whose reserves of mana are low, or vice
+  ///   versa.
+  /// </summary>
+  public class ConcussionBlow : WeaponAbility
+  {
+    public override int BaseMana => 25;
+
+    public override bool OnBeforeDamage(Mobile attacker, Mobile defender)
+    {
+      if (!Validate(attacker) || !CheckMana(attacker, true))
+        return false;
+
+      ClearCurrentAbility(attacker);
+
+      attacker.SendLocalizedMessage(1060165); // You have delivered a concussion!
+      defender.SendLocalizedMessage(1060166); // You feel disoriented!
+
+      defender.PlaySound(0x213);
+      defender.FixedParticles(0x377A, 1, 32, 9949, 1153, 0, EffectLayer.Head);
+
+      Effects.SendMovingParticles(
+        new Entity(Serial.Zero, new Point3D(defender.X, defender.Y, defender.Z + 10), defender.Map),
+        new Entity(Serial.Zero, new Point3D(defender.X, defender.Y, defender.Z + 20), defender.Map), 0x36FE, 1, 0,
+        false, false, 1133, 3, 9501, 1, 0, EffectLayer.Waist, 0x100);
+
+      int damage = 10; // Base damage is 10.
+
+      if (defender.HitsMax > 0)
+      {
+        double hitsPercent = defender.Hits / (double)defender.HitsMax * 100.0;
+
+        double manaPercent = 0;
+
+        if (defender.ManaMax > 0)
+          manaPercent = defender.Mana / (double)defender.ManaMax * 100.0;
+
+        damage += Math.Min((int)(Math.Abs(hitsPercent - manaPercent) / 4), 20);
+      }
+
+      // Total damage is 10 + (0~20) = 10~30, physical, non-resistable.
+
+      defender.Damage(damage, attacker);
+
+      return true;
+    }
+  }
+}