Add all packets handler

libmc-common/src/commonMain/kotlin/cn/rtast/libmc/packet/PacketRegistry.kt

@@ -15,9 +15,7 @@ public class PacketRegistry {
     private val idToCodec = mutableMapOf<Int, PacketCodec<out MinecraftPacket>>()
     private val classToInfo = mutableMapOf<KClass<out MinecraftPacket>, RegisteredPacket<*>>()
 
-    private data class RegisteredPacket<P : MinecraftPacket>(
-        val id: Int, val codec: PacketCodec<P>,
-    )
+    private data class RegisteredPacket<P : MinecraftPacket>(val id: Int, val codec: PacketCodec<P>)
 
     public fun <T : MinecraftPacket> register(id: Int, kClass: KClass<T>, codec: PacketCodec<T>) {
         idToCodec[id] = codec

libmc-common/src/commonMain/kotlin/cn/rtast/libmc/stream/buffer.kt

@@ -40,8 +40,3 @@ public expect class BytesBuffer {
 
 @Suppress("NOTHING_TO_INLINE")
 public inline fun ByteArray.wrap(): BytesBuffer = BytesBuffer(this)
-
-public suspend fun ReadChannel.readPacketFrame(): BytesBuffer {
-    val length = this.readVarInt()
-    return this.readBytes(length).wrap()
-}

libmc-common/src/commonMain/kotlin/cn/rtast/libmc/stream/channels.kt

@@ -7,6 +7,9 @@
 
 package cn.rtast.libmc.stream
 
+/**
+ * Platform specified raw byte read channel
+ */
 public expect open class ReadChannel() {
     public open suspend fun readByte(): Byte
     public open suspend fun readShort(endian: ByteOrder = ByteOrder.BIG_ENDIAN): Short
@@ -16,21 +19,10 @@ public expect open class ReadChannel() {
     public open suspend fun readFully(out: ByteArray, start: Int = 0, end: Int = out.size)
 }
 
+/**
+ * Platform specified raw byte write channel
+ */
 public expect open class WriteChannel() {
     public open suspend fun writeFully(value: ByteArray, startIndex: Int = 0, endIndex: Int = value.size)
     public open suspend fun flush()
-}
-
-public suspend fun ReadChannel.readVarInt(): Int {
-    var numRead = 0
-    var result = 0
-    var read: Byte
-    do {
-        read = this.readByte()
-        val value = (read.toInt() and 0x7F)
-        result = result or (value shl (7 * numRead))
-        numRead++
-        if (numRead > 5) throw IllegalArgumentException("VarInt is too big")
-    } while ((read.toInt() and 0x80) != 0)
-    return result
 }

libmc-common/src/nativeMain/kotlin/cn/rtast/libmc/stream/socket.native.kt

@@ -6,7 +6,7 @@
 
 package cn.rtast.libmc.stream
 
-import cn.rtast.libmc.common.LibMCContext
+import cn.rtast.libmc.LibMCContext
 import io.ktor.network.sockets.*
 import io.ktor.utils.io.core.*
 import kotlinx.coroutines.runBlocking