added FavoritesMessage packet and tests

common/src/main/scala/net/psforever/packet/GamePacketOpcode.scala

@@ -433,7 +433,7 @@ object GamePacketOpcode extends Enumeration {
     case 0x5f => noDecoder(FavoritesResponse)
 
     // OPCODES 0x60-6f
-    case 0x60 => noDecoder(FavoritesMessage)
+    case 0x60 => game.FavoritesMessage.decode
     case 0x61 => noDecoder(ObjectDetectedMessage)
     case 0x62 => noDecoder(SplashHitMessage)
     case 0x63 => noDecoder(SetChatFilterMessage)

common/src/main/scala/net/psforever/packet/game/FavoritesMessage.scala

@@ -0,0 +1,38 @@
+// Copyright (c) 2016 PSForever.net to present
+package net.psforever.packet.game
+
+import net.psforever.packet.{GamePacketOpcode, Marshallable, PacketHelpers, PlanetSideGamePacket}
+import scodec.Codec
+import scodec.codecs._
+
+/**
+  * na
+  * @param list na
+  * @param player_guid the player
+  * @param line na
+  * @param subject na
+  * @param armor the type of exo-suit
+  * @param subtype the exo-suit subtype, if any
+  */
+final case class FavoritesMessage(list : Int,
+                                  player_guid : PlanetSideGUID,
+                                  line : Int,
+                                  subject : String,
+                                  armor : Option[Int] = None,
+                                  subtype : Option[Int] = None)
+  extends PlanetSideGamePacket {
+  type Packet = FavoritesMessage
+  def opcode = GamePacketOpcode.FavoritesMessage
+  def encode = FavoritesMessage.encode(this)
+}
+
+object FavoritesMessage extends Marshallable[FavoritesMessage] {
+  implicit val codec : Codec[FavoritesMessage] = (
+    ("list" | uintL(2)) >>:~ { value =>
+      ("player_guid" | PlanetSideGUID.codec) ::
+        ("line" | uintL(4)) ::
+        ("subject" | PacketHelpers.encodedWideStringAligned(2)) ::
+        conditional(value == 0, "armor" | uintL(3)) ::
+        conditional(value == 0, "subtype" | uintL(3))
+    }).as[FavoritesMessage]
+}