From 537b1589281cb897dda03a8224430dd1a7b1c1f7 Mon Sep 17 00:00:00 2001
From: Graham <gpe@openrs2.org>
Date: Sun, 24 Jul 2022 17:26:02 +0100
Subject: [PATCH] Add CREATE_CHECK_NAME packet

---
 .../org/openrs2/protocol/ProtocolModule.kt    |  2 ++
 .../login/upstream/CreateCheckNameCodec.kt    | 23 +++++++++++++++++++
 .../protocol/login/upstream/LoginRequest.kt   |  1 +
 3 files changed, 26 insertions(+)
 create mode 100644 protocol/src/main/kotlin/org/openrs2/protocol/login/upstream/CreateCheckNameCodec.kt

diff --git a/protocol/src/main/kotlin/org/openrs2/protocol/ProtocolModule.kt b/protocol/src/main/kotlin/org/openrs2/protocol/ProtocolModule.kt
index 25c38b7161..6d4a22b73d 100644
--- a/protocol/src/main/kotlin/org/openrs2/protocol/ProtocolModule.kt
+++ b/protocol/src/main/kotlin/org/openrs2/protocol/ProtocolModule.kt
@@ -14,6 +14,7 @@ import org.openrs2.protocol.login.downstream.LoginDownstream
 import org.openrs2.protocol.login.downstream.ServerFullCodec
 import org.openrs2.protocol.login.upstream.CheckWorldSuitabilityCodec
 import org.openrs2.protocol.login.upstream.CreateCheckDateOfBirthCountryCodec
+import org.openrs2.protocol.login.upstream.CreateCheckNameCodec
 import org.openrs2.protocol.login.upstream.InitCrossDomainConnectionCodec
 import org.openrs2.protocol.login.upstream.InitGameConnectionCodec
 import org.openrs2.protocol.login.upstream.InitJaggrabConnectionCodec
@@ -34,6 +35,7 @@ public object ProtocolModule : AbstractModule() {
             InitJs5RemoteConnectionCodec::class.java,
             InitJaggrabConnectionCodec::class.java,
             CreateCheckDateOfBirthCountryCodec::class.java,
+            CreateCheckNameCodec::class.java,
             RequestWorldListCodec::class.java,
             CheckWorldSuitabilityCodec::class.java,
             InitCrossDomainConnectionCodec::class.java
diff --git a/protocol/src/main/kotlin/org/openrs2/protocol/login/upstream/CreateCheckNameCodec.kt b/protocol/src/main/kotlin/org/openrs2/protocol/login/upstream/CreateCheckNameCodec.kt
new file mode 100644
index 0000000000..c3bac27166
--- /dev/null
+++ b/protocol/src/main/kotlin/org/openrs2/protocol/login/upstream/CreateCheckNameCodec.kt
@@ -0,0 +1,23 @@
+package org.openrs2.protocol.login.upstream
+
+import io.netty.buffer.ByteBuf
+import org.openrs2.crypto.StreamCipher
+import org.openrs2.protocol.PacketCodec
+import org.openrs2.util.Base37
+import javax.inject.Singleton
+
+@Singleton
+public class CreateCheckNameCodec : PacketCodec<LoginRequest.CreateCheckName>(
+    type = LoginRequest.CreateCheckName::class.java,
+    opcode = 21,
+    length = 8
+) {
+    override fun decode(input: ByteBuf, cipher: StreamCipher): LoginRequest.CreateCheckName {
+        val username = Base37.decodeLowerCase(input.readLong())
+        return LoginRequest.CreateCheckName(username)
+    }
+
+    override fun encode(input: LoginRequest.CreateCheckName, output: ByteBuf, cipher: StreamCipher) {
+        output.writeLong(Base37.encode(input.username))
+    }
+}
diff --git a/protocol/src/main/kotlin/org/openrs2/protocol/login/upstream/LoginRequest.kt b/protocol/src/main/kotlin/org/openrs2/protocol/login/upstream/LoginRequest.kt
index 8468fff8fb..a1b5c62c50 100644
--- a/protocol/src/main/kotlin/org/openrs2/protocol/login/upstream/LoginRequest.kt
+++ b/protocol/src/main/kotlin/org/openrs2/protocol/login/upstream/LoginRequest.kt
@@ -11,6 +11,7 @@ public sealed class LoginRequest : Packet {
         public val dateOfBirth: LocalDate,
         public val country: Int
     ) : LoginRequest()
+    public data class CreateCheckName(public val username: String) : LoginRequest()
     public data class RequestWorldList(public val checksum: Int) : LoginRequest()
     public data class CheckWorldSuitability(
         public val build: Int,