Fix native backend regression with older MC vers

Author: retrixe

android/app/src/main/java/com/enderchat/modules/connection/ConnectionModule.kt

@@ -343,9 +343,9 @@ class ConnectionModule(reactContext: ReactApplicationContext)
         // Remove upstream listeners, stop unnecessary background tasks
     }
 
-    /* private fun println(log: Any?) {
+    private fun println(log: Any?) {
         sendEvent(reactContext = reactApplicationContext, "ecm:log", Arguments.createMap().apply {
             putString("log", log.toString())
         })
-    } */
+    }
 }

src/minecraft/connection/native.ts

@@ -102,12 +102,13 @@ export class NativeServerConnection extends events.EventEmitter implements Serve
           packet.id === packetIds.CLIENTBOUND_LOGIN_SUCCESS(version) &&
           this.state === ConnectionState.LOGIN
         ) {
-          this.state =
-            version >= protocolMap['1.20.2'] ? ConnectionState.CONFIGURATION : ConnectionState.PLAY
-          this.writePacket(
-            packetIds.SERVERBOUND_LOGIN_ACKNOWLEDGED(version) ?? 0,
-            Buffer.alloc(0),
-          ).catch((err: unknown) => this.emit('error', err))
+          if (version >= protocolMap['1.20.2']) {
+            this.state = ConnectionState.CONFIGURATION
+            this.writePacket(
+              packetIds.SERVERBOUND_LOGIN_ACKNOWLEDGED(version) ?? 0,
+              Buffer.alloc(0),
+            ).catch((err: unknown) => this.emit('error', err))
+          } else this.state = ConnectionState.PLAY
         } else if (
           packet.id === packetIds.CLIENTBOUND_FINISH_CONFIGURATION(version) &&
           this.state === ConnectionState.CONFIGURATION

src/minecraft/packets/ids.ts

@@ -23,7 +23,7 @@ const packetIds = {
   SERVERBOUND_LOGIN_START: generateIdFunction([[protocolMap['1.16.4'], 0x00]]),
   SERVERBOUND_ENCRYPTION_RESPONSE: generateIdFunction([[protocolMap['1.16.4'], 0x01]]),
   SERVERBOUND_LOGIN_PLUGIN_RESPONSE: generateIdFunction([[protocolMap['1.16.4'], 0x02]]),
-  SERVERBOUND_LOGIN_ACKNOWLEDGED: generateIdFunction([[protocolMap['1.16.4'], 0x03]]),
+  SERVERBOUND_LOGIN_ACKNOWLEDGED: generateIdFunction([[protocolMap['1.20.2'], 0x03]]),
 
   // ===========================
   // Clientbound (configuration)