added GenericActionMessage packet and tests; action 29 and action 30 were discovered by SouNourS

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

@@ -516,7 +516,7 @@ object GamePacketOpcode extends Enumeration {
     case 0xa4 => noDecoder(WarpgateRequest)
     case 0xa5 => noDecoder(WarpgateResponse)
     case 0xa6 => noDecoder(DamageWithPositionMessage)
-    case 0xa7 => noDecoder(GenericActionMessage)
+    case 0xa7 => game.GenericActionMessage.decode
     // 0xa8
     case 0xa8 => game.ContinentalLockUpdateMessage.decode
     case 0xa9 => game.AvatarGrenadeStateMessage.decode

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

@@ -0,0 +1,54 @@
+// Copyright (c) 2016 PSForever.net to present
+package net.psforever.packet.game
+
+import net.psforever.packet.{GamePacketOpcode, Marshallable, PlanetSideGamePacket}
+import scodec.Codec
+import scodec.codecs._
+
+/**
+  * Reports that something has happened, or makes something happen.<br>
+  * <br>
+  * When sent from the server to a client, there are twenty-seven individual actions caused by this packet.
+  * They are only vaguely organized by behavior and some numbers may not be associated with an action.
+  * When sent by the client to the server, an unknown number of actions are available.
+  * The highest known action is a server-sent 45.<br>
+  *<br>
+  * Actions (when sent from server):<br>
+  * 03 - symbol: show Mosquito radar<br>
+  * 04 - symbol: hide Mosquito radar<br>
+  * 07 - warning: missile lock<br>
+  * 08 - warning: Wasp missile lock<br>
+  * 09 - warning: T-REK lock<br>
+  * 12 - sound: base captured fanfare<br>
+  * 14 - prompt: new character basic training<br>
+  * 22 - message: awarded a cavern capture (updates cavern capture status)<br>
+  * 23 - award a cavern kill<br>
+  * 24 - message: you have been imprinted (updates imprinted status; does it?)<br>
+  * 25 - message: you are no longer imprinted (updates imprinted status; does it?)<br>
+  * 27 - event: purchase timers reset (does it?)<br>
+  * 31 - switch to first person view, attempt to deconstruct but fail;
+  *      event: fail to deconstruct due to having a "parent vehicle"<br>
+  * 32 - switch to first person view<br>
+  * 33 - event: fail to deconstruct<br>
+  * 43 - prompt: friendly fire in virtual reality zone<br>
+  * 45 - ?<br>
+  * <br>
+  * Actions (when sent from client):<br>
+  * 29 - AFK<br>
+  * 30 - back in game<br>
+  * 36 - turn on "Looking for Squad"<br>
+  * 37 - turn off "Looking for Squad"
+  * @param action what this packet does
+  */
+final case class GenericActionMessage(action : Int)
+  extends PlanetSideGamePacket {
+  type Packet = GenericActionMessage
+  def opcode = GamePacketOpcode.GenericActionMessage
+  def encode = GenericActionMessage.encode(this)
+}
+
+object GenericActionMessage extends Marshallable[GenericActionMessage] {
+  implicit val codec : Codec[GenericActionMessage] = (
+    "action" | uint(6)
+    ).as[GenericActionMessage]
+}

common/src/test/scala/GamePacketTest.scala

@@ -1426,6 +1426,26 @@ class GamePacketTest extends Specification {
       }
     }
 
+    "GenericActionMessage" should {
+      val string = hex"A7 94"
+
+      "decode" in {
+        PacketCoding.DecodePacket(string).require match {
+          case GenericActionMessage(action) =>
+            action mustEqual 37
+          case default =>
+            ko
+        }
+      }
+
+      "encode" in {
+        val msg = GenericActionMessage(37)
+        val pkt = PacketCoding.EncodePacket(msg).require.toByteVector
+
+        pkt mustEqual string
+      }
+    }
+
     "ContinentalLockUpdateMessage" should {
       val string = hex"A8 16 00 40"