From 4c819fae3cec218b1fb14caf4444ffaa2a7490ca Mon Sep 17 00:00:00 2001
From: Bixilon <bixilon@bixilon.de>
Date: Fri, 24 Jul 2020 22:24:55 +0200
Subject: [PATCH] PacketOpenBook

---
 .../clientbound/play/PacketOpenBook.java      | 50 +++++++++++++++++++
 .../protocol/protocol/PacketHandler.java      |  3 ++
 .../minosoft/protocol/protocol/Protocol.java  |  1 +
 3 files changed, 54 insertions(+)
 create mode 100644 src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketOpenBook.java

diff --git a/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketOpenBook.java b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketOpenBook.java
new file mode 100644
index 000000000..e2591adb9
--- /dev/null
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/clientbound/play/PacketOpenBook.java
@@ -0,0 +1,50 @@
+/*
+ * Codename Minosoft
+ * Copyright (C) 2020 Moritz Zwerger
+ *
+ * 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.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ *  This software is not affiliated with Mojang AB, the original developer of Minecraft.
+ */
+
+package de.bixilon.minosoft.protocol.packets.clientbound.play;
+
+import de.bixilon.minosoft.game.datatypes.player.Hand;
+import de.bixilon.minosoft.logging.Log;
+import de.bixilon.minosoft.protocol.packets.ClientboundPacket;
+import de.bixilon.minosoft.protocol.protocol.InByteBuffer;
+import de.bixilon.minosoft.protocol.protocol.PacketHandler;
+
+public class PacketOpenBook implements ClientboundPacket {
+    Hand hand;
+
+
+    @Override
+    public boolean read(InByteBuffer buffer) {
+        switch (buffer.getVersion()) {
+            case VERSION_1_14_4:
+                hand = Hand.byId(buffer.readVarInt());
+                return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public void log() {
+        Log.protocol(String.format("Received open book packet (hand=%s)", hand));
+    }
+
+    @Override
+    public void handle(PacketHandler h) {
+        h.handle(this);
+    }
+
+    public Hand getHand() {
+        return hand;
+    }
+}
diff --git a/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java b/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java
index 29bf9f714..b40c46a87 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java
+++ b/src/main/java/de/bixilon/minosoft/protocol/protocol/PacketHandler.java
@@ -613,4 +613,7 @@ public class PacketHandler {
 
     public void handle(PacketTradeList pkg) {
     }
+
+    public void handle(PacketOpenBook pkg) {
+    }
 }
diff --git a/src/main/java/de/bixilon/minosoft/protocol/protocol/Protocol.java b/src/main/java/de/bixilon/minosoft/protocol/protocol/Protocol.java
index 950998421..50d76ecbf 100644
--- a/src/main/java/de/bixilon/minosoft/protocol/protocol/Protocol.java
+++ b/src/main/java/de/bixilon/minosoft/protocol/protocol/Protocol.java
@@ -122,6 +122,7 @@ public abstract class Protocol implements ProtocolInterface {
         packetClassMapping.put(Packets.Clientbound.PLAY_UPDATE_VIEW_POSITION, PacketUpdateViewPosition.class);
         packetClassMapping.put(Packets.Clientbound.PLAY_OPEN_HORSE_WINDOW, PacketOpenHorseWindow.class);
         packetClassMapping.put(Packets.Clientbound.PLAY_TRADE_LIST, PacketTradeList.class);
+        packetClassMapping.put(Packets.Clientbound.PLAY_OPEN_BOOK, PacketOpenBook.class);
     }
 
     protected final HashMap<ConnectionState, HashBiMap<Packets.Serverbound, Integer>> serverboundPacketMapping;