From 6c51d8ee30ab45c9bbc824a03dd9b0d25866519f Mon Sep 17 00:00:00 2001
From: DmitriyMX <dimon550@gmail.com>
Date: Sun, 18 Jul 2021 14:16:22 +0300
Subject: [PATCH] HandAnimationPacket

---
 protocol/src/main/java/mc/protocol/State.java |  3 +-
 .../play/client/ClientSettingsPacket.java     |  6 +--
 .../play/client/HandAnimationPacket.java      | 42 +++++++++++++++++++
 .../utils/{MainHand.java => Hand.java}        |  4 +-
 4 files changed, 49 insertions(+), 6 deletions(-)
 create mode 100644 protocol/src/main/java/mc/protocol/packets/play/client/HandAnimationPacket.java
 rename protocol/src/main/java/mc/protocol/utils/{MainHand.java => Hand.java} (80%)

diff --git a/protocol/src/main/java/mc/protocol/State.java b/protocol/src/main/java/mc/protocol/State.java
index f41c80e..67ca2e3 100644
--- a/protocol/src/main/java/mc/protocol/State.java
+++ b/protocol/src/main/java/mc/protocol/State.java
@@ -64,7 +64,8 @@ public enum State {
 					Map.entry(0x0F, PlayerLookPacket.class),
 					Map.entry(0x13, CPlayerAbilitiesPacket.class),
 					Map.entry(0x14, PlayerDiggingAndMorePacket.class),
-					Map.entry(0x15, EntityActionPacket.class)
+					Map.entry(0x15, EntityActionPacket.class),
+					Map.entry(0x1D, HandAnimationPacket.class)
 			),
 			// server side
 			Map.of(
diff --git a/protocol/src/main/java/mc/protocol/packets/play/client/ClientSettingsPacket.java b/protocol/src/main/java/mc/protocol/packets/play/client/ClientSettingsPacket.java
index 5c22527..0010605 100644
--- a/protocol/src/main/java/mc/protocol/packets/play/client/ClientSettingsPacket.java
+++ b/protocol/src/main/java/mc/protocol/packets/play/client/ClientSettingsPacket.java
@@ -2,7 +2,7 @@ package mc.protocol.packets.play.client;
 
 import lombok.*;
 import mc.protocol.utils.ChatMode;
-import mc.protocol.utils.MainHand;
+import mc.protocol.utils.Hand;
 import mc.protocol.buffer.NetByteBuf;
 import mc.protocol.packets.ClientSidePacket;
 
@@ -52,7 +52,7 @@ public class ClientSettingsPacket implements ClientSidePacket {
 	private boolean chatColors;
 	@SuppressWarnings("java:S116")
 	private int $displayedSkinPartsBitMask;
-	private MainHand mainHand;
+	private Hand mainHand;
 
 	@Override
 	public void readSelf(NetByteBuf netByteBuf) {
@@ -61,7 +61,7 @@ public class ClientSettingsPacket implements ClientSidePacket {
 		this.chatMode = ChatMode.valueById(netByteBuf.readVarInt());
 		this.chatColors = netByteBuf.readBoolean();
 		this.$displayedSkinPartsBitMask = netByteBuf.readUnsignedByte();
-		this.mainHand = MainHand.valueById(netByteBuf.readVarInt());
+		this.mainHand = Hand.valueById(netByteBuf.readVarInt());
 	}
 
 	@Override
diff --git a/protocol/src/main/java/mc/protocol/packets/play/client/HandAnimationPacket.java b/protocol/src/main/java/mc/protocol/packets/play/client/HandAnimationPacket.java
new file mode 100644
index 0000000..c18a4f1
--- /dev/null
+++ b/protocol/src/main/java/mc/protocol/packets/play/client/HandAnimationPacket.java
@@ -0,0 +1,42 @@
+package mc.protocol.packets.play.client;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+import mc.protocol.buffer.NetByteBuf;
+import mc.protocol.packets.ClientSidePacket;
+import mc.protocol.utils.Hand;
+
+/**
+ * Отправляется, когда Игрок взмахивает рукой.
+ *
+ * <p>Структура пакета</p>
+ * <pre>
+ * | FIELD | TYPE    | NOTES                        |
+ * |-------|---------|------------------------------|
+ * | Hand  | VarInt  | Используемая рука в анимации |
+ * |       |         | - 0: основная рука           |
+ * |       |         | - 1: левая рука              |
+ * </pre>
+ *
+ * @see <a href="https://wiki.vg/index.php?title=Protocol&oldid=14204#Animation_.28serverbound.29">Animation (serverbound)</a>
+ */
+@NoArgsConstructor
+@Getter
+@EqualsAndHashCode
+@ToString
+public class HandAnimationPacket implements ClientSidePacket {
+
+	private Hand hand;
+
+	@Override
+	public void readSelf(NetByteBuf netByteBuf) {
+		this.hand = Hand.valueById(netByteBuf.readVarInt());
+	}
+
+	@Override
+	public void passivate() {
+		this.hand = null;
+	}
+}
diff --git a/protocol/src/main/java/mc/protocol/utils/MainHand.java b/protocol/src/main/java/mc/protocol/utils/Hand.java
similarity index 80%
rename from protocol/src/main/java/mc/protocol/utils/MainHand.java
rename to protocol/src/main/java/mc/protocol/utils/Hand.java
index 5e30020..8c9f7d8 100644
--- a/protocol/src/main/java/mc/protocol/utils/MainHand.java
+++ b/protocol/src/main/java/mc/protocol/utils/Hand.java
@@ -2,12 +2,12 @@ package mc.protocol.utils;
 
 import javax.annotation.Nullable;
 
-public enum MainHand {
+public enum Hand {
 	LEFT,
 	RIGHT;
 
 	@Nullable
-	public static MainHand valueById(int id) {
+	public static Hand valueById(int id) {
 		// а зачем усложнять?
 		//@formatter:off
 		if      (id == 0) return LEFT;