From 47ccc3252aead0e2a5c335cb068f027110af6391 Mon Sep 17 00:00:00 2001
From: DmitriyMX <dimon550@gmail.com>
Date: Sun, 9 May 2021 15:36:19 +0300
Subject: [PATCH] PlayerListHeaderAndFooterPacket

---
 protocol/src/main/java/mc/protocol/State.java |  3 +-
 .../PlayerListHeaderAndFooterPacket.java      | 50 +++++++++++++++++++
 .../packets/server/PlayerListItemPacket.java  |  1 +
 .../main/java/mc/server/PacketHandler.java    | 17 ++++++-
 4 files changed, 69 insertions(+), 2 deletions(-)
 create mode 100644 protocol/src/main/java/mc/protocol/packets/server/PlayerListHeaderAndFooterPacket.java

diff --git a/protocol/src/main/java/mc/protocol/State.java b/protocol/src/main/java/mc/protocol/State.java
index 5bc1735..01ab867 100644
--- a/protocol/src/main/java/mc/protocol/State.java
+++ b/protocol/src/main/java/mc/protocol/State.java
@@ -61,7 +61,8 @@ public enum State {
 					PlayerAbilitiesPacket.class,0x2C,
 					PlayerListItemPacket.class,0x2E,
 					SPlayerPositionAndLookPacket.class, 0x2F,
-					SpawnPositionPacket.class, 0x46
+					SpawnPositionPacket.class, 0x46,
+					PlayerListHeaderAndFooterPacket.class,0x4A
 			)
 	);
 
diff --git a/protocol/src/main/java/mc/protocol/packets/server/PlayerListHeaderAndFooterPacket.java b/protocol/src/main/java/mc/protocol/packets/server/PlayerListHeaderAndFooterPacket.java
new file mode 100644
index 0000000..e97c50c
--- /dev/null
+++ b/protocol/src/main/java/mc/protocol/packets/server/PlayerListHeaderAndFooterPacket.java
@@ -0,0 +1,50 @@
+package mc.protocol.packets.server;
+
+import lombok.Data;
+import mc.protocol.io.NetByteBuf;
+import mc.protocol.model.text.Text;
+import mc.protocol.packets.ServerSidePacket;
+import mc.protocol.serializer.TextSerializer;
+
+/**
+ * Установка текста для "шапки" и "подвала" Tab-листа.
+ *
+ * <p>Структура пакета</p>
+ * <pre>
+ * | FIELD  | TYPE | NOTES |
+ * |--------|------|-------|
+ * | Header | Text |       |
+ * | Footer | Text |       |
+ * </pre>
+ *
+ * <p>Для удаления "шапки" и/или "подвала", нужно отправить следующий {@link Text} компонент:</p>
+ * <pre>
+ * {"translate":""}
+ * </pre>
+ *
+ * @see <a href="https://wiki.vg/index.php?title=Protocol&oldid=14204#Player_List_Header_And_Footer">Player List Header And Footer</a>
+ * @see PlayerListItemPacket
+ */
+@Data
+public class PlayerListHeaderAndFooterPacket implements ServerSidePacket {
+
+	private static final String REMOVE_COMPONENT = "{\"translate\":\"\"}";
+
+	private Text header;
+	private Text foother;
+
+	@Override
+	public void writeSelf(NetByteBuf netByteBuf) {
+		if (this.header == null) {
+			netByteBuf.writeString(REMOVE_COMPONENT);
+		} else {
+			netByteBuf.writeString(TextSerializer.toJsonObject(this.header).toString());
+		}
+
+		if (this.foother == null) {
+			netByteBuf.writeString(REMOVE_COMPONENT);
+		} else {
+			netByteBuf.writeString(TextSerializer.toJsonObject(this.foother).toString());
+		}
+	}
+}
diff --git a/protocol/src/main/java/mc/protocol/packets/server/PlayerListItemPacket.java b/protocol/src/main/java/mc/protocol/packets/server/PlayerListItemPacket.java
index 7bf2a8f..928bb82 100644
--- a/protocol/src/main/java/mc/protocol/packets/server/PlayerListItemPacket.java
+++ b/protocol/src/main/java/mc/protocol/packets/server/PlayerListItemPacket.java
@@ -60,6 +60,7 @@ import java.util.function.BiConsumer;
  * </pre>
  *
  * @see <a href="https://wiki.vg/index.php?title=Protocol&oldid=14204#Player_List_Item">Player List Item</a>
+ * @see PlayerListHeaderAndFooterPacket
  */
 @Data
 public class PlayerListItemPacket implements ServerSidePacket {
diff --git a/server/src/main/java/mc/server/PacketHandler.java b/server/src/main/java/mc/server/PacketHandler.java
index 05cd6ee..bfdd5dd 100644
--- a/server/src/main/java/mc/server/PacketHandler.java
+++ b/server/src/main/java/mc/server/PacketHandler.java
@@ -7,6 +7,8 @@ import mc.protocol.api.ConnectionContext;
 import mc.protocol.model.Location;
 import mc.protocol.model.Look;
 import mc.protocol.model.ServerInfo;
+import mc.protocol.model.text.Text;
+import mc.protocol.model.text.TextColor;
 import mc.protocol.packets.PingPacket;
 import mc.protocol.packets.client.HandshakePacket;
 import mc.protocol.packets.client.LoginStartPacket;
@@ -139,7 +141,20 @@ public class PacketHandler {
 				.hasDisplayName(false)
 				.build());
 
-		context.sendNow(playerListItemPacket);
+		context.send(playerListItemPacket);
+
+		var playerListHeaderAndFooterPacket = new PlayerListHeaderAndFooterPacket();
+		playerListHeaderAndFooterPacket.setHeader(Text.builder()
+				.append("") //TODO bug component
+				.append(Text.of(TextColor.GREEN, "==="))
+				.append(Text.of(TextColor.RED, " MC-PROJECT "))
+				.append(Text.of(TextColor.GREEN, "==="))
+				.build());
+		playerListHeaderAndFooterPacket.setFoother(Text.of(TextColor.GRAY, "develop by DmitriyMX"));
+
+		context.send(playerListHeaderAndFooterPacket);
+
+		context.flushSending();
 	}
 
 	private static String faviconToBase64(Path iconPath) {