Updates Combat Packets & Moves Tracking to Content (#298)

- [X] Changes outgoing combat packets
- [X] Moves quest arrow to PlayerMobile and moves quest arrow packets to content.

Bumps release version

Projects/Server/Network/Packets/OutgoingCombatPackets.cs

@@ -0,0 +1,67 @@
+/*************************************************************************
+ * ModernUO                                                              *
+ * Copyright 2019-2020 - ModernUO Development Team                       *
+ * Email: hi@modernuo.com                                                *
+ * File: OutgoingCombatPackets.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;
+
+namespace Server.Network
+{
+    public static class OutgoingCombatPackets
+    {
+        public static void SendSwing(this NetState ns, Serial attacker, Serial defender)
+        {
+            if (ns == null || !ns.GetSendBuffer(out var buffer))
+            {
+                return;
+            }
+
+            var writer = new CircularBufferWriter(buffer);
+            writer.Write((byte)0x2F); // Packet ID
+            writer.Write((byte)0);
+            writer.Write(attacker);
+            writer.Write(defender);
+
+            ns.Send(ref buffer, 10);
+        }
+
+        public static void SendSetWarMode(this NetState ns, bool warmode)
+        {
+            if (ns == null || !ns.GetSendBuffer(out var buffer))
+            {
+                return;
+            }
+
+            var writer = new CircularBufferWriter(buffer);
+            writer.Write((byte)0x72); // Packet ID
+            // Warmode, 0x00, 0x32, 0x00
+            writer.Write(warmode ? 0x01003200 : 0x00003200);
+
+            ns.Send(ref buffer, 5);
+        }
+
+        public static void SendChangeCombatant(this NetState ns, Serial combatant)
+        {
+            if (ns == null || !ns.GetSendBuffer(out var buffer))
+            {
+                return;
+            }
+
+            var writer = new CircularBufferWriter(buffer);
+            writer.Write((byte)0xAA); // Packet ID
+            writer.Write(combatant);
+
+            ns.Send(ref buffer, 5);
+        }
+    }
+}