Updates Packets & Randomizer (#43)

* Fixes a bug with the main loop. Removes unnecessary optimizations for RDRand.

* WIP - Rewriting packets.

* Cleanup and updates README

* Converts more packets

* Fixes header

* Converts Effects packets.

* Forgot the send command

* Adds the start of containers packets.

* Adds message packets with caching

* Extends the send methods

* Starts to add Acquire methods

* Converted the packets

* Cleanup

* Cleanup

* Adds more packets

* Adds more packets

* Fixes clearing arrays from pool. Adds Mobile Incoming

* Converts more packets.

* Moves more packets

* Moves more packets

* Test compression

* Merges

* Migrating to an idiomatic syntax that also supports compression, and proxying.

* Optimize the stack alloc. Changes attributes

* Converted container packets

* Visual Studio doesn't auto save files. I am still getting used to subpar IDEs.

* Adds static packet caching. Will profile later. Converts more packets

* Fixes packets and changes how compression is configured

* WIP - Adds basics for Gumps. Not finished though.

* Fix file

* Fixes formatting

* Changed SpanWriter to be more idiomatic.

* Fixes Span vs RawSpan and missing stackallocs

* Converts over some more gumps

* WIP - Deletes 32bit support.

* Drops RDRand32 support.

* Fixes gump compilation

* Converting gump components

* Removes old huffman compression function

* Revert signature for backwards compatibility

* WIP - Converting more gump components

* Creates ArraySet for the strings. Updates AppendTo to reference that.

* Converts the maining gump components

* Cleans up gump components

* Cleans up directives

* Cleans up ArraySet and moves it. Adds null-coalescing-assignment

* Cleanup, Target Packets, and C# 8 changes.

* Removed OPL Packet

* World packets

* Fixing packet uses

* Cleans up code. Fixes packet uses in various places.

* More cleanup for packets

* Code cleanup

* Converts more packet uses and cleans up more code

* More code cleanup

* Finishes fixing the packets in Item

* Updates secure trade packets

* Updates core and gets it to compile.

* Moved packets to scripts. Fixed account handler use of packets

* Code cleanup

* Updates chat packets

* Code cleanuo

* Adds party packets, but need to implement them.

* Party packets WIP

* Finishes party packets

* Rearrange movement namespaces and classes

* Finishes plant packets

* Code Formatting

* Fixes moving effects

* Code cleanup, eliminates equipinfo

* Adds more packets. Fixes bugs with various packets.

* Finishes mahjon packets

* Fixes mahjong packet

* Code cleanup

* Finishes mahjong packets

* Adds Map packets

* Add multifacet maps and charts

* Cleans up some packets with UTF8

* Optimizes packets

* Cleans up more packets. Moves the MessageHelper

* Removes assistant support. Removes extended protocol. Incorporates MapUO packets as normal packets.

* Updates protocol extensions packet receiver

* Fixes a few bugs. Fixes a few more packets.

* Code cleanup and fixing more packets

* Fixes packet effects

* Cleaned up more code

* Buff Icon cleanup

* Removed unused constructors

* Code Cleanup. Adds BoatHS Packets

* Moves house files. Updates house foundation packets.

* Deployment cleanup

* Fixes:

* Code cleanup

* More code cleanup

* More code cleanup

* Cleaned up BaseHouse

* Enforces styling

* Converts foreach to linq where possible.

* Dont need that

* Goals/Readme updates

* Removes 32bit support at the highest level. Turns on HRT by default.

* Code cleanup. Fixes extended features packet.

* Fixes various bugs

* Code cleanup

* Code cleanup

* Code cleanup. Fixes gump X/Y assignment.

* Code cleanup using |= operator

* More code cleanup

* Cleanup

* Fixes spacing issues. Thanks Visual Studio. You suck.

* Compiler error

* Fixes NPE from RunUO 2.7

* Renames ScriptCompiler to AssemblyHandler. Fixes packets. Updates README

* Fixes more packets. Stupid trailing nulls.

* Fixes various bugs.

* Fixes for gumps

* Fixes more gump stuff. Going to split it out later since it is getting insane

* Recoded the gump writing

* WIP

* *Added output path of scripts project to dev branch
*Activated debugging in code

Projects/Scripts/Engines/ConPVP/Arena.cs

@@ -512,7 +512,7 @@ namespace Server.Engines.ConPVP
         if (offset < offsets.Length)
           p = offsets[offset++];
         else
-          p = offsets[offsets.Length - 1];
+          p = offsets[^1];
 
         p.X = p.X * matrix[0, 0] + p.Y * matrix[0, 1];
         p.Y = p.X * matrix[1, 0] + p.Y * matrix[1, 1];
@@ -574,12 +574,15 @@ namespace Server.Engines.ConPVP
       if (hasBounds)
       {
         List<Mobile> pets = new List<Mobile>();
+        IPooledEnumerable eable = facet.GetMobilesInBounds(m_Bounds);
 
-        foreach (Mobile mob in facet.GetMobilesInBounds(m_Bounds))
+        foreach (Mobile mob in eable)
           if (mob is BaseCreature pet && pet.Controlled && pet.ControlMaster != null &&
               Players.Contains(pet.ControlMaster))
             pets.Add(pet);
 
+        eable.Free();
+
         foreach (Mobile pet in pets)
         {
           pet.Combatant = null;
@@ -749,7 +752,7 @@ namespace Server.Engines.ConPVP
 
     #region Offsets & Rotation
 
-    private static Point2D[] m_EdgeOffsets =
+    private static readonly Point2D[] m_EdgeOffsets =
     {
       /*
        *        /\
@@ -772,7 +775,7 @@ namespace Server.Engines.ConPVP
     };
 
     // nw corner
-    private static Point2D[] m_CornerOffsets =
+    private static readonly Point2D[] m_CornerOffsets =
     {
       /*
        *         /\
@@ -793,7 +796,7 @@ namespace Server.Engines.ConPVP
       new Point2D(3, 0)
     };
 
-    private static int[][,] m_Rotate =
+    private static readonly int[][,] m_Rotate =
     {
       new[,] { { +1, 0 }, { 0, +1 } }, // west
       new[,] { { -1, 0 }, { 0, -1 } }, // east