fix(core): Converts some player packets (#372)

- [X] Converts some player packets

Note:
- Not caching weather packet because it is copying directly from stackalloc using aggressive inlining. Don't need to do more optimizations.

Projects/Server/Network/Packets/OutgoingPlayerPackets.cs

@@ -0,0 +1,126 @@
+/*************************************************************************
+ * ModernUO                                                              *
+ * Copyright (C) 2019-2020 - ModernUO Development Team                   *
+ * Email: hi@modernuo.com                                                *
+ * File: OutgoingPlayerPackets.cs                                        *
+ *                                                                       *
+ * This program is free software: you can redistribute it and/or modify  *
+ * it under the terms of the GNU General Public License as published by  *
+ * the Free Software Foundation, either version 3 of the License, or     *
+ * (at your option) any later version.                                   *
+ *                                                                       *
+ * You should have received a copy of the GNU General Public License     *
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+using System.Buffers;
+using System.IO;
+using System.Runtime.CompilerServices;
+
+namespace Server.Network
+{
+    public enum LRReason : byte
+    {
+        CannotLift,
+        OutOfRange,
+        OutOfSight,
+        TryToSteal,
+        AreHolding,
+        Inspecific
+    }
+
+    public static class OutgoingPlayerPackets
+    {
+        public static void SendStatLockInfo(this NetState ns, Mobile m)
+        {
+            if (ns == null || !ns.GetSendBuffer(out var buffer))
+            {
+                return;
+            }
+
+            var writer = new CircularBufferWriter(buffer);
+            writer.Write((byte)0xBF); // Packet ID
+            writer.Write((ushort)12);
+            writer.Write((short)0x19);
+            writer.Write((byte)2);
+            writer.Write(m.Serial);
+            writer.Write((byte)0);
+
+            var lockBits = ((int)m.StrLock << 4) | ((int)m.DexLock << 2) | (int)m.IntLock;
+
+            writer.Write((byte)lockBits);
+
+            ns.Send(ref buffer, writer.Position);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void SendChangeUpdateRange(this NetState ns, byte range)
+        {
+            ns?.Send(stackalloc byte[] { 0xC8, range });
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void SendDeathStatus(this NetState ns, bool dead)
+        {
+            ns?.Send(stackalloc byte[] { 0x2C, dead ? 0 : 2 });
+        }
+
+        public static void SendToggleSpecialAbility(this NetState ns, int abilityId, bool active)
+        {
+            if (ns == null || !ns.GetSendBuffer(out var buffer))
+            {
+                return;
+            }
+
+            var writer = new CircularBufferWriter(buffer);
+            writer.Write((byte)0xBF); // Packet ID
+            writer.Write((ushort)8);
+            writer.Write((short)0x25);
+            writer.Write((short)abilityId);
+            writer.Write(active);
+
+            ns.Send(ref buffer, writer.Position);
+        }
+
+        public static void SendDisplayProfile(this NetState ns, Serial m, string header, string body, string footer)
+        {
+            if (ns == null || !ns.GetSendBuffer(out var buffer))
+            {
+                return;
+            }
+
+            header ??= "";
+            body ??= "";
+            footer ??= "";
+
+            var writer = new CircularBufferWriter(buffer);
+            writer.Write((byte)0xB8); // Packet ID
+            writer.Seek(2, SeekOrigin.Current);
+            writer.Write(m);
+            writer.WriteAsciiNull(header);
+            writer.WriteBigUniNull(footer);
+            writer.WriteBigUniNull(body);
+
+            writer.WritePacketLength();
+            ns.Send(ref buffer, writer.Position);
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void SendLiftReject(this NetState ns, LRReason reason)
+        {
+            ns?.Send(stackalloc byte[] { 0x27, (byte)reason });
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void SendLogoutAck(this NetState ns)
+        {
+            ns?.Send(stackalloc byte[] { 0xD1, 0x01 });
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static void SendWeather(this NetState ns, byte type, byte density, byte temp)
+        {
+            ns?.Send(stackalloc byte[] { 0x65, type, density, temp });
+        }
+    }
+}