From a317e3e2c289993fff1c6734ed7783f26f85b54d Mon Sep 17 00:00:00 2001
From: DmitriyMX <dimon550@gmail.com>
Date: Sun, 2 May 2021 15:29:02 +0300
Subject: [PATCH] =?UTF-8?q?=D0=BD=D0=B0=D1=87=D0=B0=D0=BB=D0=BE=20=D0=B2?=
 =?UTF-8?q?=D1=85=D0=BE=D0=B4=D0=B0=20=D0=BD=D0=B0=20=D1=81=D0=B5=D1=80?=
 =?UTF-8?q?=D0=B2=D0=B5=D1=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 protocol/src/main/java/mc/protocol/State.java |  6 +++-
 .../packets/server/LoginSuccessPacket.java    | 33 +++++++++++++++++++
 .../main/java/mc/server/PacketHandler.java    | 12 ++++---
 3 files changed, 46 insertions(+), 5 deletions(-)
 create mode 100644 protocol/src/main/java/mc/protocol/packets/server/LoginSuccessPacket.java

diff --git a/protocol/src/main/java/mc/protocol/State.java b/protocol/src/main/java/mc/protocol/State.java
index b849adf..98e929e 100644
--- a/protocol/src/main/java/mc/protocol/State.java
+++ b/protocol/src/main/java/mc/protocol/State.java
@@ -10,6 +10,7 @@ import mc.protocol.packets.client.HandshakePacket;
 import mc.protocol.packets.client.LoginStartPacket;
 import mc.protocol.packets.client.StatusServerRequestPacket;
 import mc.protocol.packets.server.DisconnectPacket;
+import mc.protocol.packets.server.LoginSuccessPacket;
 import mc.protocol.packets.server.StatusServerResponse;
 
 import javax.annotation.Nullable;
@@ -39,7 +40,10 @@ public enum State {
 			// server bound
 			Map.of(0x00, LoginStartPacket.class),
 			// client bound
-			Map.of(DisconnectPacket.class, 0x00)
+			Map.of(
+					DisconnectPacket.class, 0x00,
+					LoginSuccessPacket.class, 0x02
+			)
 	);
 
 	@Nullable
diff --git a/protocol/src/main/java/mc/protocol/packets/server/LoginSuccessPacket.java b/protocol/src/main/java/mc/protocol/packets/server/LoginSuccessPacket.java
new file mode 100644
index 0000000..9f8db49
--- /dev/null
+++ b/protocol/src/main/java/mc/protocol/packets/server/LoginSuccessPacket.java
@@ -0,0 +1,33 @@
+package mc.protocol.packets.server;
+
+import lombok.Data;
+import mc.protocol.io.NetByteBuf;
+import mc.protocol.packets.ServerSidePacket;
+
+import java.util.UUID;
+
+/**
+ * Подтверждение успешного логина.
+ *
+ * <p>Структура пакета</p>
+ * <pre>
+ * | FIELD    | TYPE        | NOTES                         |
+ * |----------|-------------|-------------------------------|
+ * | UUID     | String (36) | Уникальный ID игрока          |
+ * | Username | String (16) | Имя игрока, выданное сервером |
+ * </pre>
+ *
+ * @see <a href="https://wiki.vg/index.php?title=Protocol&oldid=14204#Login_Success">Login Success</a>
+ */
+@Data
+public class LoginSuccessPacket implements ServerSidePacket {
+
+	private UUID uuid;
+	private String name;
+
+	@Override
+	public void writeSelf(NetByteBuf netByteBuf) {
+		netByteBuf.writeString(uuid.toString());
+		netByteBuf.writeString(name);
+	}
+}
diff --git a/server/src/main/java/mc/server/PacketHandler.java b/server/src/main/java/mc/server/PacketHandler.java
index b037ec1..b016bd0 100644
--- a/server/src/main/java/mc/server/PacketHandler.java
+++ b/server/src/main/java/mc/server/PacketHandler.java
@@ -9,7 +9,7 @@ import mc.protocol.packets.PingPacket;
 import mc.protocol.packets.client.HandshakePacket;
 import mc.protocol.packets.client.LoginStartPacket;
 import mc.protocol.packets.client.StatusServerRequestPacket;
-import mc.protocol.packets.server.DisconnectPacket;
+import mc.protocol.packets.server.LoginSuccessPacket;
 import mc.protocol.packets.server.StatusServerResponse;
 import mc.protocol.serializer.TextSerializer;
 import mc.server.config.Config;
@@ -20,6 +20,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Base64;
 import java.util.Collections;
+import java.util.UUID;
 
 @Slf4j
 @RequiredArgsConstructor
@@ -55,10 +56,13 @@ public class PacketHandler {
 	}
 
 	public void onLoginStart(ChannelContext<LoginStartPacket> channel) {
-		DisconnectPacket disconnectPacket = new DisconnectPacket();
-		disconnectPacket.setReason(TextSerializer.fromPlain(config.disconnectReason()));
+		LoginStartPacket loginStartPacket = channel.getPacket();
 
-		channel.getCtx().writeAndFlush(disconnectPacket).channel().disconnect();
+		LoginSuccessPacket loginSuccessPacket = new LoginSuccessPacket();
+		loginSuccessPacket.setUuid(UUID.randomUUID());
+		loginSuccessPacket.setName(loginStartPacket.getName());
+
+		channel.getCtx().writeAndFlush(loginSuccessPacket);
 	}
 
 	private static String faviconToBase64(Path iconPath) {