Overwrite

Complete Overwrite of the Folder with the free shard. ServUO 57.3 has been added.

Scripts/Commands/Generic/Extensions/DistinctExtension.cs

@@ -0,0 +1,86 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace Server.Commands.Generic
+{
+    public sealed class DistinctExtension : BaseExtension
+    {
+        public static ExtensionInfo ExtInfo = new ExtensionInfo(30, "Distinct", -1, delegate() { return new DistinctExtension(); });
+        private readonly List<Property> m_Properties;
+        private IComparer m_Comparer;
+        public DistinctExtension()
+        {
+            this.m_Properties = new List<Property>();
+        }
+
+        public override ExtensionInfo Info
+        {
+            get
+            {
+                return ExtInfo;
+            }
+        }
+        public static void Initialize()
+        {
+            ExtensionInfo.Register(ExtInfo);
+        }
+
+        public override void Optimize(Mobile from, Type baseType, ref AssemblyEmitter assembly)
+        {
+            if (baseType == null)
+                throw new Exception("Distinct extension may only be used in combination with an object conditional.");
+
+            foreach (Property prop in this.m_Properties)
+            {
+                prop.BindTo(baseType, PropertyAccess.Read);
+                prop.CheckAccess(from);
+            }
+
+            if (assembly == null)
+                assembly = new AssemblyEmitter("__dynamic", false);
+
+            this.m_Comparer = DistinctCompiler.Compile(assembly, baseType, this.m_Properties.ToArray());
+        }
+
+        public override void Parse(Mobile from, string[] arguments, int offset, int size)
+        {
+            if (size < 1)
+                throw new Exception("Invalid distinction syntax.");
+
+            int end = offset + size;
+
+            while (offset < end)
+            {
+                string binding = arguments[offset++];
+
+                this.m_Properties.Add(new Property(binding));
+            }
+        }
+
+        public override void Filter(ArrayList list)
+        {
+            if (this.m_Comparer == null)
+                throw new InvalidOperationException("The extension must first be optimized.");
+
+            ArrayList copy = new ArrayList(list);
+
+            copy.Sort(this.m_Comparer);
+
+            list.Clear();
+
+            object last = null;
+
+            for (int i = 0; i < copy.Count; ++i)
+            {
+                object obj = copy[i];
+
+                if (last == null || this.m_Comparer.Compare(obj, last) != 0)
+                {
+                    list.Add(obj);
+                    last = obj;
+                }
+            }
+        }
+    }
+}