network: 23w40a

New game state: `receive_chunks`, json chat was replaced with nbt on network
2025-09-18 11:54:59 -04:00 · 2023-10-08 00:25:54 +02:00 · 2023-10-08 00:25:54 +02:00 · d143b98a63
commit d143b98a63
parent 6955fae49e
25 changed files with 97 additions and 33 deletions
--- a/src/main/java/de/bixilon/minosoft/data/text/events/hover/EntityHoverEvent.kt
+++ b/src/main/java/de/bixilon/minosoft/data/text/events/hover/EntityHoverEvent.kt
@ -19,6 +19,8 @@ import de.bixilon.kutil.json.JsonObject
 import de.bixilon.kutil.uuid.UUIDUtil.toUUID
 import de.bixilon.minosoft.data.registries.identified.ResourceLocation
 import de.bixilon.minosoft.data.text.ChatComponent
+import de.bixilon.minosoft.protocol.protocol.buffers.InByteBuffer
+import de.bixilon.minosoft.protocol.protocol.buffers.OutByteBuffer
 import de.bixilon.minosoft.util.KUtil.toResourceLocation
 import de.bixilon.minosoft.util.json.Jackson
 import java.util.*
@ -48,7 +50,10 @@ data class EntityHoverEvent(
                type = it.toResourceLocation()
            }

-            return EntityHoverEvent(json["id"].toString().toUUID(), type, ChatComponent.of(json["name"]))
+            val rawUUID = json["id"]
+            val uuid = if (rawUUID is IntArray) InByteBuffer(OutByteBuffer().apply { writeBareIntArray(rawUUID) }.toArray()).readUUID() else rawUUID.toString().toUUID()
+
+            return EntityHoverEvent(uuid, type, ChatComponent.of(json["name"]))
        }
    }
 }
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/common/KickS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/common/KickS2CP.kt
@ -24,7 +24,7 @@ import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType

 class KickS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
-    val reason: ChatComponent = buffer.readChatComponent()
+    val reason: ChatComponent = if (buffer.connection.network.state == ProtocolStates.LOGIN) buffer.readChatComponent() else buffer.readNbtChatComponent()

    override fun handle(connection: PlayConnection) {
        if (!connection.network.connected) {
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/common/ResourcepackS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/common/ResourcepackS2CP.kt
@ -39,7 +39,7 @@ class ResourcepackS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {

    init {
        if (buffer.versionId >= ProtocolVersions.V_21W15A) {
-            promptText = buffer.readOptional { buffer.readChatComponent() }
+            promptText = buffer.readOptional { buffer.readNbtChatComponent() }
        }
    }

--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/PlayStatusS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/PlayStatusS2CP.kt
@ -21,7 +21,7 @@ import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType

 class PlayStatusS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
-    val motd = if (buffer.versionId >= ProtocolVersions.V_23W07A) buffer.readChatComponent() else buffer.readOptional { buffer.readChatComponent() }
+    val motd = if (buffer.versionId >= ProtocolVersions.V_23W07A) buffer.readNbtChatComponent() else buffer.readOptional { buffer.readNbtChatComponent() }
    val favicon = if (buffer.versionId >= ProtocolVersions.V_23W07A) buffer.readOptional { buffer.readByteArray() } else buffer.readOptional { buffer.readString().toFavicon() }
    val previewsChat = if (buffer.versionId < ProtocolVersions.V_22W42A) buffer.readBoolean() else false
    val forcesSecureChat = if (buffer.versionId >= ProtocolVersions.V_1_19_1_RC2) buffer.readBoolean() else null
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/bossbar/AddBossbarS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/bossbar/AddBossbarS2CP.kt
@ -19,7 +19,7 @@ import de.bixilon.minosoft.data.bossbar.BossbarFlags
 import de.bixilon.minosoft.data.bossbar.BossbarNotches
 import de.bixilon.minosoft.modding.event.events.bossbar.BossbarAddEvent
 import de.bixilon.minosoft.protocol.network.connection.play.PlayConnection
-import de.bixilon.minosoft.protocol.protocol.buffers.InByteBuffer
+import de.bixilon.minosoft.protocol.protocol.buffers.play.PlayInByteBuffer
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
@ -27,9 +27,9 @@ import java.util.*

 class AddBossbarS2CP(
    val uuid: UUID,
-    buffer: InByteBuffer,
+    buffer: PlayInByteBuffer,
 ) : BossbarS2CP {
-    val title = buffer.readChatComponent()
+    val title = buffer.readNbtChatComponent()
    val value = buffer.readFloat()
    val color = BossbarColors[buffer.readVarInt()]
    val notches = BossbarNotches[buffer.readVarInt()]
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/bossbar/TitleBossbarS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/bossbar/TitleBossbarS2CP.kt
@ -15,7 +15,7 @@ package de.bixilon.minosoft.protocol.packets.s2c.play.bossbar

 import de.bixilon.minosoft.modding.event.events.bossbar.BossbarTitleSetEvent
 import de.bixilon.minosoft.protocol.network.connection.play.PlayConnection
-import de.bixilon.minosoft.protocol.protocol.buffers.InByteBuffer
+import de.bixilon.minosoft.protocol.protocol.buffers.play.PlayInByteBuffer
 import de.bixilon.minosoft.util.logging.Log
 import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType
@ -23,9 +23,9 @@ import java.util.*

 class TitleBossbarS2CP(
    val uuid: UUID,
-    buffer: InByteBuffer,
+    buffer: PlayInByteBuffer,
 ) : BossbarS2CP {
-    val title = buffer.readChatComponent()
+    val title = buffer.readNbtChatComponent()

    override fun handle(connection: PlayConnection) {
        val bossbar = connection.bossbarManager.bossbars[uuid] ?: return
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chat/ChatMessageS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chat/ChatMessageS2CP.kt
@ -32,7 +32,7 @@ import de.bixilon.minosoft.util.logging.LogMessageType
 import java.util.*

 class ChatMessageS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
-    val text: ChatComponent = buffer.readChatComponent()
+    val text: ChatComponent = buffer.readNbtChatComponent()
    var type: ChatMessageType = buffer.connection.registries.messageType[DefaultMessageTypes.CHAT]!!
        private set
    var sender: UUID? = null
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chat/SignedChatMessageS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chat/SignedChatMessageS2CP.kt
@ -98,7 +98,7 @@ class SignedChatMessageS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {

        val message = readChatComponent().message
        if (versionId >= ProtocolVersions.V_1_19_1_PRE5 && versionId < ProtocolVersions.V_22W42A) {
-            readOptional { readChatComponent() } // formatted text
+            readOptional { readNbtChatComponent() } // formatted text
        }

        val sent = readInstant()
@ -106,7 +106,7 @@ class SignedChatMessageS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
        val lastSeen = readArray { if (versionId >= ProtocolVersions.V_22W42A) readIndexedLastSeenMessage() else readLastSeenMessage() }

        parameters[ChatParameter.CONTENT] = TextComponent(message)
-        val unsigned = readOptional { readChatComponent() }
+        val unsigned = readOptional { readNbtChatComponent() }
        var filter: Filter? = null
        if (versionId >= ProtocolVersions.V_1_19_1_RC3) {
            filter = ChatFilter[readVarInt()].reader.invoke(this)
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chat/UnsignedChatMessageS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/chat/UnsignedChatMessageS2CP.kt
@ -24,7 +24,7 @@ import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType

 class UnsignedChatMessageS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
-    val text: ChatComponent = buffer.readChatComponent()
+    val text: ChatComponent = buffer.readNbtChatComponent()
    val type = buffer.readRegistryItem(buffer.connection.registries.messageType)
    val parameters: Map<ChatParameter, ChatComponent> = mutableMapOf<ChatParameter, ChatComponent>().apply {
        buffer.readChatMessageParameters(this)
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/combat/KillCombatEventS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/combat/KillCombatEventS2CP.kt
@ -22,7 +22,7 @@ import de.bixilon.minosoft.util.logging.LogMessageType
 class KillCombatEventS2CP(buffer: PlayInByteBuffer) : CombatEventS2CP {
    val deadEntityId = buffer.readVarInt()
    val killerEntityId = if (buffer.versionId >= V_1_20_PRE3) -1 else buffer.readInt()
-    val message = buffer.readChatComponent()
+    val message = buffer.readNbtChatComponent()

    override fun log(reducedLog: Boolean) {
        Log.log(LogMessageType.NETWORK_IN, level = LogLevels.VERBOSE) { "Combat event kill (deadEntityId=$deadEntityId, killerEntityId=$killerEntityId, message=$message )" }
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/container/OpenContainerS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/container/OpenContainerS2CP.kt
@ -35,7 +35,7 @@ class OpenContainerS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
        buffer.versionId < V_1_14 -> buffer.readLegacyRegistryItem(buffer.connection.registries.containerType)!! // TODO: version completely guessed
        else -> buffer.readRegistryItem(buffer.connection.registries.containerType)
    }
-    val title: ChatComponent = buffer.readChatComponent()
+    val title: ChatComponent = buffer.readNbtChatComponent()
    val slotCount: Int = if (buffer.versionId <= V_19W02A) buffer.readUnsignedByte() else 0 // ToDo: This is completely guessed, it is not present in 1.16.5 (unchecked)
    val hasTitle: Boolean = if (buffer.versionId > V_14W03B && buffer.versionId <= V_1_8_9) buffer.readBoolean() else true // TODO: upper version (1.8) is probably worng. it changed between 1.7.10..1.8
    var entityId: Int? = if ((buffer.versionId >= V_19W02A && containerType.identifier == DefaultInventoryTypes.HORSE) || buffer.versionId < V_14W03B) {
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/scoreboard/objective/CreateObjectiveS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/scoreboard/objective/CreateObjectiveS2CP.kt
@ -37,7 +37,7 @@ class CreateObjectiveS2CP(

    init {
        if (buffer.versionId >= ProtocolVersions.V_14W04A) { // ToDo
-            this._displayName = buffer.readChatComponent()
+            this._displayName = buffer.readNbtChatComponent()
        }
        if (buffer.versionId >= ProtocolVersions.V_14W08A) {
            when {
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/scoreboard/objective/ObjectiveS2CF.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/scoreboard/objective/ObjectiveS2CF.kt
@ -24,7 +24,7 @@ object ObjectiveS2CF : PlayPacketFactory {
    override fun create(buffer: PlayInByteBuffer): ObjectiveS2CP {
        val objective = buffer.readString()
        val displayName = if (buffer.versionId < ProtocolVersions.V_14W04A) { // ToDo
-            buffer.readChatComponent()
+            buffer.readNbtChatComponent()
        } else {
            null
        }
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/scoreboard/objective/UpdateObjectiveS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/scoreboard/objective/UpdateObjectiveS2CP.kt
@ -34,7 +34,7 @@ class UpdateObjectiveS2CP(

    init {
        if (buffer.versionId >= ProtocolVersions.V_14W04A) { // ToDo
-            this._displayName = buffer.readChatComponent()
+            this._displayName = buffer.readNbtChatComponent()
        }
        if (buffer.versionId >= ProtocolVersions.V_14W08A) {
            when {
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/scoreboard/teams/CreateTeamS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/scoreboard/teams/CreateTeamS2CP.kt
@ -33,7 +33,7 @@ class CreateTeamS2CP(
    val name: String,
    buffer: PlayInByteBuffer,
 ) : TeamsS2CP {
-    val displayName = buffer.readChatComponent()
+    val displayName = buffer.readNbtChatComponent()
    lateinit var prefix: ChatComponent
        private set
    lateinit var suffix: ChatComponent
@ -53,8 +53,8 @@ class CreateTeamS2CP(

    init {
        if (buffer.versionId < ProtocolVersions.V_18W01A) {
-            this.prefix = buffer.readChatComponent()
-            this.suffix = buffer.readChatComponent()
+            this.prefix = buffer.readNbtChatComponent()
+            this.suffix = buffer.readNbtChatComponent()
        }

        if (buffer.versionId < ProtocolVersions.V_16W06A) { // ToDo
@ -79,8 +79,8 @@ class CreateTeamS2CP(
        }

        if (buffer.versionId >= ProtocolVersions.V_18W20A) {
-            prefix = buffer.readChatComponent()
-            suffix = buffer.readChatComponent()
+            prefix = buffer.readNbtChatComponent()
+            suffix = buffer.readNbtChatComponent()
        }

        members = buffer.readArray(
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/tab/TabListTextS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/tab/TabListTextS2CP.kt
@ -21,8 +21,8 @@ import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType

 class TabListTextS2CP(buffer: PlayInByteBuffer) : PlayS2CPacket {
-    val header: ChatComponent = buffer.readChatComponent()
-    val footer: ChatComponent = buffer.readChatComponent()
+    val header: ChatComponent = buffer.readNbtChatComponent()
+    val footer: ChatComponent = buffer.readNbtChatComponent()

    override fun handle(connection: PlayConnection) {
        connection.tabList.header = header
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/title/HotbarTextS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/title/HotbarTextS2CP.kt
@ -23,7 +23,7 @@ import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType

 class HotbarTextS2CP(buffer: PlayInByteBuffer) : TitleS2CP {
-    val text = buffer.readChatComponent()
+    val text = buffer.readNbtChatComponent()

    override fun log(reducedLog: Boolean) {
        Log.log(LogMessageType.NETWORK_IN, level = LogLevels.VERBOSE) { "Hotbar text (text=$text)" }
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/title/SubtitleS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/title/SubtitleS2CP.kt
@ -21,7 +21,7 @@ import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType

 class SubtitleS2CP(buffer: PlayInByteBuffer) : TitleS2CP {
-    val text = buffer.readChatComponent()
+    val text = buffer.readNbtChatComponent()

    override fun handle(connection: PlayConnection) {
        connection.events.fire(TitleSubtitleSetEvent(connection, this))
--- a/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/title/TitleTextS2CP.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/packets/s2c/play/title/TitleTextS2CP.kt
@ -21,7 +21,7 @@ import de.bixilon.minosoft.util.logging.LogLevels
 import de.bixilon.minosoft.util.logging.LogMessageType

 class TitleTextS2CP(buffer: PlayInByteBuffer) : TitleS2CP {
-    val text = buffer.readChatComponent()
+    val text = buffer.readNbtChatComponent()

    override fun handle(connection: PlayConnection) {
        connection.events.fire(TitleSetEvent(connection, this))
--- a/src/main/java/de/bixilon/minosoft/protocol/protocol/ProtocolVersions.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/protocol/ProtocolVersions.kt
@ -14,6 +14,7 @@ package de.bixilon.minosoft.protocol.protocol

@Suppress("UNUSED")
 object ProtocolVersions {
+    const val V_23W40A = 916
    const val V_1_20_2 = 915
    const val V_1_20_2_RC2 = 914
    const val V_1_20_2_RC1 = 913
--- a/src/main/java/de/bixilon/minosoft/protocol/protocol/VersionSupport.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/protocol/VersionSupport.kt
@ -15,9 +15,10 @@ package de.bixilon.minosoft.protocol.protocol

 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions.V_13W41B
 import de.bixilon.minosoft.protocol.protocol.ProtocolVersions.V_1_20_2
+import de.bixilon.minosoft.protocol.protocol.ProtocolVersions.V_23W40A

 object VersionSupport {
    const val MINIMUM_VERSION = V_13W41B
-    const val LATEST_VERSION = V_1_20_2
+    const val LATEST_VERSION = V_23W40A
    const val LATEST_RELEASE = V_1_20_2
 }
--- a/src/main/java/de/bixilon/minosoft/protocol/protocol/buffers/play/PlayInByteBuffer.kt
+++ b/src/main/java/de/bixilon/minosoft/protocol/protocol/buffers/play/PlayInByteBuffer.kt
@ -107,6 +107,14 @@ class PlayInByteBuffer : InByteBuffer {
        return ChatComponent.of(string, connection.language, null, restricted = true)
    }

+    fun readNbtChatComponent(): ChatComponent {
+        if (versionId < ProtocolVersions.V_23W40A) {
+            return readChatComponent()
+        }
+        val nbt = readNBT()
+        return ChatComponent.of(nbt, connection.language, null, restricted = true)
+    }
+
    fun readParticleData(): ParticleData {
        val type = connection.registries.particleType[readVarInt()]
        return readParticleData(type)
@ -333,8 +341,8 @@ class PlayInByteBuffer : InByteBuffer {
    }

    fun readChatMessageParameters(parameters: MutableMap<ChatParameter, ChatComponent>) {
-        parameters[ChatParameter.SENDER] = readChatComponent()
-        readOptional { readChatComponent() }?.let { parameters[ChatParameter.TARGET] = it }
+        parameters[ChatParameter.SENDER] = readNbtChatComponent()
+        readOptional { readNbtChatComponent() }?.let { parameters[ChatParameter.TARGET] = it }
    }

    fun readSoundPitch(): Float {
--- a/src/main/resources/assets/minosoft/mapping/assets_properties.json
+++ b/src/main/resources/assets/minosoft/mapping/assets_properties.json
--- a/src/main/resources/assets/minosoft/mapping/default_registries.json
+++ b/src/main/resources/assets/minosoft/mapping/default_registries.json
@ -627,6 +627,50 @@
      "minecraft:limited_crafting": {
        "id": 12
      }
+    },
+    "916": {
+      "minecraft:bed_break": {
+        "id": 0
+      },
+      "minecraft:rain_start": {
+        "id": 1
+      },
+      "minecraft:rain_stop": {
+        "id": 2
+      },
+      "minecraft:gamemode_change": {
+        "id": 3
+      },
+      "minecraft:win_game": {
+        "id": 4
+      },
+      "minecraft:hide_demo_messages": {
+        "id": 5
+      },
+      "minecraft:arrow_player_hit": {
+        "id": 6
+      },
+      "minecraft:rain_gradient_set": {
+        "id": 7
+      },
+      "minecraft:thunder_gradient_set": {
+        "id": 8
+      },
+      "minecraft:pufferfish_sting": {
+        "id": 9
+      },
+      "minecraft:elder_guardian_effect": {
+        "id": 10
+      },
+      "minecraft:immediate_respawn": {
+        "id": 11
+      },
+      "minecraft:limited_crafting": {
+        "id": 12
+      },
+      "minecraft:receive_chunks": {
+        "id": 13
+      }
    }
  },
  "minecraft:world_events": {
--- a/src/main/resources/assets/minosoft/mapping/versions.json
+++ b/src/main/resources/assets/minosoft/mapping/versions.json
@ -1,4 +1,9 @@
 {
+  "916": {
+    "name": "23w40a",
+    "protocol_id": 1073741978,
+    "packets": 910
+  },
  "915": {
    "name": "1.20.2",
    "protocol_id": 764,