Packet: ChangeFireModeMessage

* Add ChangeFireModeMessage packet

* Add ChangeFireModeMessage test

* Add ChangeFireModeMessage handler stub

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

@@ -403,7 +403,7 @@ object GamePacketOpcode extends Enumeration {
       case ItemTransactionResultMessage => noDecoder(opcode)
 
       // OPCODE 70
-      case ChangeFireModeMessage => noDecoder(opcode)
+      case ChangeFireModeMessage => game.ChangeFireModeMessage.decode
       case ChangeAmmoMessage => noDecoder(opcode)
       case TimeOfDayMessage => noDecoder(opcode)
       case UnknownMessage73 => noDecoder(opcode)

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

@@ -0,0 +1,21 @@
+// 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._
+
+final case class ChangeFireModeMessage(item_guid : PlanetSideGUID,
+                                       fire_mode : Int)
+  extends PlanetSideGamePacket {
+  type Packet = ChangeFireModeMessage
+  def opcode = GamePacketOpcode.ChangeFireModeMessage
+  def encode = ChangeFireModeMessage.encode(this)
+}
+
+object ChangeFireModeMessage extends Marshallable[ChangeFireModeMessage] {
+  implicit val codec : Codec[ChangeFireModeMessage] = (
+      ("item_guid" | PlanetSideGUID.codec) ::
+        ("fire_mode" | uintL(3))
+    ).as[ChangeFireModeMessage]
+}

common/src/test/scala/GamePacketTest.scala

@@ -203,5 +203,26 @@ class GamePacketTest extends Specification {
         pkt_tell mustEqual string_tell
       }
     }
+
+    "ChangeFireModeMessage" should {
+      val string = hex"46 4C0020"
+
+      "decode" in {
+        PacketCoding.DecodePacket(string).require match {
+          case ChangeFireModeMessage(item_guid, fire_mode) =>
+            item_guid mustEqual PlanetSideGUID(76)
+            fire_mode mustEqual 1
+          case default =>
+            ko
+        }
+      }
+
+      "encode" in {
+        val msg = ChangeFireModeMessage(PlanetSideGUID(76), 1)
+        val pkt = PacketCoding.EncodePacket(msg).require.toByteVector
+
+        pkt mustEqual string
+      }
+    }
   }
 }

pslogin/src/main/scala/WorldSessionActor.scala

@@ -153,6 +153,9 @@ class WorldSessionActor extends Actor with MDCContextAware {
       // TODO: Depending on messagetype, may need to prepend sender's name to contents with proper spacing
       // TODO: Just replays the packet straight back to sender; actually needs to be routed to recipients!
       sendResponse(PacketCoding.CreateGamePacket(0, ChatMsg(messagetype, unk1, recipient, contents)))
+      
+    case msg @ ChangeFireModeMessage(item_guid, fire_mode) =>
+      log.info("ChangeFireMode: " + msg)
 
     case default => log.debug(s"Unhandled GamePacket ${pkt}")
   }