Merge pull request #8 from mat-1/1.19.1

Support 1.19.1. Signing stuff isn't implemented but auth isn't even in Azalea yet so that's fine.

29 files changed, 373 insertions, 120 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 5221945c..d38f8eaf 100755
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -145,6 +145,7 @@ dependencies = [
  "rand",
  "rsa_public_encrypt_pkcs1",
  "sha-1",
+ "uuid",
 ]
 
 [[package]]
diff --git a/README.md b/README.md
index c9bf0f2f..7f510953 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ A collection of Rust crates primarily for creating Minecraft bots.
 </p>
 
 <!-- The line below is automatically read and updated by the migrate script, so don't change it manually. -->
-*Currently supported Minecraft version: `1.19`.*
+*Currently supported Minecraft version: `1.19.1`.*
 
 ## ⚠️ Azalea is still super unfinished, you probably shouldn't use it
 
diff --git a/azalea-block/src/lib.rs b/azalea-block/src/lib.rs
index f07b1bce..3eb86a90 100644
--- a/azalea-block/src/lib.rs
+++ b/azalea-block/src/lib.rs
@@ -8,7 +8,7 @@ use std::mem;
 
 impl BlockState {
     /// Transmutes a u32 to a block state.
-    /// 
+    ///
     /// # Safety
     /// The `state_id` should be a valid block state.
     #[inline]
diff --git a/azalea-client/src/client.rs b/azalea-client/src/client.rs
index e2967a10..b904fa92 100644
--- a/azalea-client/src/client.rs
+++ b/azalea-client/src/client.rs
@@ -100,6 +100,7 @@ impl Client {
             ServerboundHelloPacket {
                 username: account.username.clone(),
                 public_key: None,
+                profile_id: None,
             }
             .get(),
         )
@@ -534,7 +535,7 @@ impl Client {
 
                 dimension.move_entity_with_delta(p.entity_id, &p.delta)?;
             }
-            GamePacket::ClientboundMoveEntityPosRotPacket(p) => {
+            GamePacket::ClientboundMoveEntityPosrotPacket(p) => {
                 let mut dimension_lock = client.dimension.lock()?;
                 let dimension = dimension_lock.as_mut().unwrap();
 
diff --git a/azalea-crypto/Cargo.toml b/azalea-crypto/Cargo.toml
index ee652565..7b77eb3b 100644
--- a/azalea-crypto/Cargo.toml
+++ b/azalea-crypto/Cargo.toml
@@ -13,3 +13,4 @@ num-bigint = "^0.4.3"
 rand = {version = "^0.8.4", features = ["getrandom"]}
 rsa_public_encrypt_pkcs1 = "0.4.0"
 sha-1 = "^0.10.0"
+uuid = "^1.1.2"
diff --git a/azalea-crypto/src/lib.rs b/azalea-crypto/src/lib.rs
index a5e797e8..9a17a472 100644
--- a/azalea-crypto/src/lib.rs
+++ b/azalea-crypto/src/lib.rs
@@ -7,7 +7,7 @@ use aes::{
 };
 use rand::{rngs::OsRng, RngCore};
 use sha1::{Digest, Sha1};
-pub use signing::SaltSignaturePair;
+pub use signing::*;
 
 fn generate_secret_key() -> [u8; 16] {
     let mut key = [0u8; 16];
diff --git a/azalea-crypto/src/signing.rs b/azalea-crypto/src/signing.rs
index 535f9f1d..3bad08c9 100644
--- a/azalea-crypto/src/signing.rs
+++ b/azalea-crypto/src/signing.rs
@@ -1,24 +1,19 @@
-use azalea_buf::{McBufReadable, McBufWritable};
-use std::io::{Read, Write};
+use azalea_buf::McBuf;
+use uuid::Uuid;
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, McBuf)]
 pub struct SaltSignaturePair {
     pub salt: u64,
     pub signature: Vec<u8>,
 }
 
-impl McBufReadable for SaltSignaturePair {
-    fn read_from(buf: &mut impl Read) -> Result<Self, String> {
-        let salt = u64::read_from(buf)?;
-        let signature = Vec::<u8>::read_from(buf)?;
-        Ok(SaltSignaturePair { salt, signature })
-    }
+#[derive(Clone, Debug, Default, McBuf)]
+pub struct MessageSignature {
+    pub bytes: Vec<u8>,
 }
 
-impl McBufWritable for SaltSignaturePair {
-    fn write_into(&self, buf: &mut impl Write) -> Result<(), std::io::Error> {
-        self.salt.write_into(buf)?;
-        self.signature.write_into(buf)?;
-        Ok(())
-    }
+#[derive(Clone, Debug, McBuf)]
+pub struct SignedMessageHeader {
+    pub previous_signature: Option<MessageSignature>,
+    pub sender: Uuid,
 }
diff --git a/azalea-protocol/src/packets/game/clientbound_custom_chat_completions_packet.rs b/azalea-protocol/src/packets/game/clientbound_custom_chat_completions_packet.rs
new file mode 100644
index 00000000..06a641f1
--- /dev/null
+++ b/azalea-protocol/src/packets/game/clientbound_custom_chat_completions_packet.rs
@@ -0,0 +1,15 @@
+use azalea_buf::McBuf;
+use packet_macros::GamePacket;
+
+#[derive(Clone, Debug, McBuf, GamePacket)]
+pub struct ClientboundCustomChatCompletionsPacket {
+    pub action: Action,
+    pub entries: Vec<String>,
+}
+
+#[derive(Clone, Debug, McBuf, Copy)]
+pub enum Action {
+    Add = 0,
+    Remove = 1,
+    Set = 2,
+}
diff --git a/azalea-protocol/src/packets/game/clientbound_delete_chat_packet.rs b/azalea-protocol/src/packets/game/clientbound_delete_chat_packet.rs
new file mode 100644
index 00000000..6e7ab6b7
--- /dev/null
+++ b/azalea-protocol/src/packets/game/clientbound_delete_chat_packet.rs
@@ -0,0 +1,8 @@
+use azalea_buf::McBuf;
+use azalea_crypto::MessageSignature;
+use packet_macros::GamePacket;
+
+#[derive(Clone, Debug, McBuf, GamePacket)]
+pub struct ClientboundDeleteChatPacket {
+    pub message_signature: MessageSignature,
+}
diff --git a/azalea-protocol/src/packets/game/clientbound_light_update_packet.rs b/azalea-protocol/src/packets/game/clientbound_light_update_packet.rs
index adb6e33b..1c998226 100644
--- a/azalea-protocol/src/packets/game/clientbound_light_update_packet.rs
+++ b/azalea-protocol/src/packets/game/clientbound_light_update_packet.rs
@@ -1,5 +1,4 @@
-use azalea_buf::BitSet;
-use azalea_buf::McBuf;
+use azalea_buf::{BitSet, McBuf};
 use packet_macros::GamePacket;
 
 #[derive(Clone, Debug, McBuf, GamePacket)]
diff --git a/azalea-protocol/src/packets/game/clientbound_move_entity_posrot_packet.rs b/azalea-protocol/src/packets/game/clientbound_move_entity_posrot_packet.rs
index e3422ac0..3dbfaff6 100644
--- a/azalea-protocol/src/packets/game/clientbound_move_entity_posrot_packet.rs
+++ b/azalea-protocol/src/packets/game/clientbound_move_entity_posrot_packet.rs
@@ -4,7 +4,7 @@ use packet_macros::GamePacket;
 
 /// This packet is sent by the server when an entity moves less then 8 blocks.
 #[derive(Clone, Debug, McBuf, GamePacket)]
-pub struct ClientboundMoveEntityPosRotPacket {
+pub struct ClientboundMoveEntityPosrotPacket {
     #[var]
     pub entity_id: u32,
     pub delta: PositionDelta8,
diff --git a/azalea-protocol/src/packets/game/clientbound_player_chat_header_packet.rs b/azalea-protocol/src/packets/game/clientbound_player_chat_header_packet.rs
new file mode 100644
index 00000000..bd0bc1f3
--- /dev/null
+++ b/azalea-protocol/src/packets/game/clientbound_player_chat_header_packet.rs
@@ -0,0 +1,10 @@
+use azalea_buf::McBuf;
+use azalea_crypto::{MessageSignature, SignedMessageHeader};
+use packet_macros::GamePacket;
+
+#[derive(Clone, Debug, McBuf, GamePacket)]
+pub struct ClientboundPlayerChatHeaderPacket {
+    pub header: SignedMessageHeader,
+    pub header_signature: MessageSignature,
+    pub body_digest: Vec<u8>,
+}
diff --git a/azalea-protocol/src/packets/game/clientbound_player_chat_packet.rs b/azalea-protocol/src/packets/game/clientbound_player_chat_packet.rs
index 4aac93f4..68f0ea21 100644
--- a/azalea-protocol/src/packets/game/clientbound_player_chat_packet.rs
+++ b/azalea-protocol/src/packets/game/clientbound_player_chat_packet.rs
@@ -1,22 +1,99 @@
-use azalea_buf::McBuf;
+use azalea_buf::{BitSet, McBuf, McBufReadable, McBufVarWritable};
+use azalea_buf::{McBufVarReadable, McBufWritable};
 use azalea_chat::component::Component;
-use azalea_crypto::SaltSignaturePair;
+use azalea_crypto::{MessageSignature, SignedMessageHeader};
 use packet_macros::GamePacket;
+use std::io::{Read, Write};
+use uuid::Uuid;
 
 #[derive(Clone, Debug, McBuf, GamePacket)]
 pub struct ClientboundPlayerChatPacket {
-    pub signed_content: Component,
+    pub message: PlayerChatMessage,
+    pub chat_type: ChatTypeBound,
+}
+
+#[derive(Copy, Clone, Debug, McBuf)]
+pub enum ChatType {
+    Chat = 0,
+    SayCommand = 1,
+    MsgCommandIncoming = 2,
+    MsgCommandOutgoing = 3,
+    TeamMsgCommandIncoming = 4,
+    TeamMsgCommandOutgoing = 5,
+    EmoteCommand = 6,
+}
+
+#[derive(Clone, Debug, McBuf)]
+pub struct ChatTypeBound {
+    pub chat_type: ChatType,
+    pub name: Component,
+    pub target_name: Option<Component>,
+}
+
+#[derive(Clone, Debug, McBuf)]
+pub struct PlayerChatMessage {
+    pub signed_header: SignedMessageHeader,
+    pub header_signature: MessageSignature,
+    pub signed_body: SignedMessageBody,
     pub unsigned_content: Option<Component>,
-    #[var]
-    pub type_id: i32,
-    pub sender: ChatSender,
+    pub filter_mask: FilterMask,
+}
+
+#[derive(Clone, Debug, McBuf)]
+pub struct SignedMessageBody {
+    pub content: ChatMessageContent,
     pub timestamp: u64,
-    pub salt_signature: SaltSignaturePair,
+    pub salt: u64,
+    pub last_seen: Vec<LastSeenMessagesEntry>,
 }
 
 #[derive(Clone, Debug, McBuf)]
-pub struct ChatSender {
-    pub uuid: uuid::Uuid,
-    pub name: Component,
-    pub team_name: Option<Component>,
+pub struct LastSeenMessagesEntry {
+    pub profile_id: Uuid,
+    pub last_signature: MessageSignature,
+}
+
+#[derive(Clone, Debug, McBuf)]
+pub struct LastSeenMessagesUpdate {
+    pub last_seen: Vec<LastSeenMessagesEntry>,
+    pub last_received: Option<LastSeenMessagesEntry>,
+}
+
+#[derive(Clone, Debug, McBuf)]
+pub struct ChatMessageContent {
+    pub plain: String,
+    /// Only sent if the decorated message is different than the plain.
+    pub decorated: Option<Component>,
+}
+
+#[derive(Clone, Debug)]
+pub enum FilterMask {
+    PassThrough,
+    FullyFiltered,
+    PartiallyFiltered(BitSet),
+}
+
+impl McBufReadable for FilterMask {
+    fn read_from(buf: &mut impl Read) -> Result<Self, String> {
+        let filter_mask = u32::var_read_from(buf)?;
+        match filter_mask {
+            0 => Ok(FilterMask::PassThrough),
+            1 => Ok(FilterMask::FullyFiltered),
+            2 => Ok(FilterMask::PartiallyFiltered(BitSet::read_from(buf)?)),
+            _ => Err("Invalid filter mask".to_string()),
+        }
+    }
+}
+impl McBufWritable for FilterMask {
+    fn write_into(&self, buf: &mut impl Write) -> Result<(), std::io::Error> {
+        match self {
+            FilterMask::PassThrough => 0u32.var_write_into(buf)?,
+            FilterMask::FullyFiltered => 1u32.var_write_into(buf)?,
+            FilterMask::PartiallyFiltered(bits) => {
+                2u32.var_write_into(buf)?;
+                bits.write_into(buf)?;
+            }
+        }
+        Ok(())
+    }
 }
diff --git a/azalea-protocol/src/packets/game/clientbound_server_data_packet.rs b/azalea-protocol/src/packets/game/clientbound_server_data_packet.rs
index 1dddfc1e..ed91733e 100644
--- a/azalea-protocol/src/packets/game/clientbound_server_data_packet.rs
+++ b/azalea-protocol/src/packets/game/clientbound_server_data_packet.rs
@@ -7,4 +7,5 @@ pub struct ClientboundServerDataPacket {
     pub motd: Option<Component>,
     pub icon_base64: Option<String>,
     pub previews_chat: bool,
+    pub enforces_secure_chat: bool,
 }
diff --git a/azalea-protocol/src/packets/game/clientbound_system_chat_packet.rs b/azalea-protocol/src/packets/game/clientbound_system_chat_packet.rs
index c531fa1e..8318b7d4 100644
--- a/azalea-protocol/src/packets/game/clientbound_system_chat_packet.rs
+++ b/azalea-protocol/src/packets/game/clientbound_system_chat_packet.rs
@@ -5,6 +5,5 @@ use packet_macros::GamePacket;
 #[derive(Clone, Debug, McBuf, GamePacket)]
 pub struct ClientboundSystemChatPacket {
     pub content: Component,
-    #[var]
-    pub type_id: i32,
+    pub overlay: bool,
 }
diff --git a/azalea-protocol/src/packets/game/mod.rs b/azalea-protocol/src/packets/game/mod.rs
index f407a697..0b5c4d3e 100755
--- a/azalea-protocol/src/packets/game/mod.rs
+++ b/azalea-protocol/src/packets/game/mod.rs
@@ -6,8 +6,10 @@ pub mod clientbound_block_update_packet;
 pub mod clientbound_change_difficulty_packet;
 pub mod clientbound_chat_preview_packet;
 pub mod clientbound_container_set_content_packet;
+pub mod clientbound_custom_chat_completions_packet;
 pub mod clientbound_custom_payload_packet;
 pub mod clientbound_declare_commands_packet;
+pub mod clientbound_delete_chat_packet;
 pub mod clientbound_disconnect_packet;
 pub mod clientbound_entity_event_packet;
 pub mod clientbound_entity_velocity_packet;
@@ -23,6 +25,7 @@ pub mod clientbound_move_entity_pos_packet;
 pub mod clientbound_move_entity_posrot_packet;
 pub mod clientbound_move_entity_rot_packet;
 pub mod clientbound_player_abilities_packet;
+pub mod clientbound_player_chat_header_packet;
 pub mod clientbound_player_chat_packet;
 pub mod clientbound_player_info_packet;
 pub mod clientbound_player_position_packet;
@@ -51,7 +54,9 @@ pub mod clientbound_update_recipes_packet;
 pub mod clientbound_update_tags_packet;
 pub mod clientbound_update_view_distance_packet;
 pub mod serverbound_accept_teleportation_packet;
+pub mod serverbound_chat_ack_packet;
 pub mod serverbound_chat_command_packet;
+pub mod serverbound_chat_packet;
 pub mod serverbound_chat_preview_packet;
 pub mod serverbound_custom_payload_packet;
 pub mod serverbound_keep_alive_packet;
@@ -66,14 +71,16 @@ declare_state_packets!(
     GamePacket,
     Serverbound => {
         0x00: serverbound_accept_teleportation_packet::ServerboundAcceptTeleportationPacket,
-        0x03: serverbound_chat_command_packet::ServerboundChatCommandPacket,
-        0x05: serverbound_chat_preview_packet::ServerboundChatPreviewPacket,
-        0x0c: serverbound_custom_payload_packet::ServerboundCustomPayloadPacket,
-        0x11: serverbound_keep_alive_packet::ServerboundKeepAlivePacket,
-        0x13: serverbound_move_player_packet_pos::ServerboundMovePlayerPacketPos,
-        0x14: serverbound_move_player_packet_pos_rot::ServerboundMovePlayerPacketPosRot,
-        0x15: serverbound_move_player_packet_rot::ServerboundMovePlayerPacketRot,
-        0x16: serverbound_move_player_packet_status_only::ServerboundMovePlayerPacketStatusOnly,
+        0x03: serverbound_chat_ack_packet::ServerboundChatAckPacket,
+        0x04: serverbound_chat_command_packet::ServerboundChatCommandPacket,
+        0x05: serverbound_chat_packet::ServerboundChatPacket,
+        0x06: serverbound_chat_preview_packet::ServerboundChatPreviewPacket,
+        0x0d: serverbound_custom_payload_packet::ServerboundCustomPayloadPacket,
+        0x12: serverbound_keep_alive_packet::ServerboundKeepAlivePacket,
+        0x14: serverbound_move_player_packet_pos::ServerboundMovePlayerPacketPos,
+        0x15: serverbound_move_player_packet_pos_rot::ServerboundMovePlayerPacketPosRot,
+        0x16: serverbound_move_player_packet_rot::ServerboundMovePlayerPacketRot,
+        0x17: serverbound_move_player_packet_status_only::ServerboundMovePlayerPacketStatusOnly,
     },
     Clientbound => {
         0x00: clientbound_add_entity_packet::ClientboundAddEntityPacket,
@@ -85,48 +92,51 @@ declare_state_packets!(
         0x0c: clientbound_chat_preview_packet::ClientboundChatPreviewPacket,
         0x0f: clientbound_declare_commands_packet::ClientboundDeclareCommandsPacket,
         0x11: clientbound_container_set_content_packet::ClientboundContainerSetContentPacket,
-        0x15: clientbound_custom_payload_packet::ClientboundCustomPayloadPacket,
-        0x17: clientbound_disconnect_packet::ClientboundDisconnectPacket,
-        0x18: clientbound_entity_event_packet::ClientboundEntityEventPacket,
-        0x1b: clientbound_game_event_packet::ClientboundGameEventPacket,
-        0x1d: clientbound_initialize_border_packet::ClientboundInitializeBorderPacket,
-        0x1e: clientbound_keep_alive_packet::ClientboundKeepAlivePacket,
-        0x1f: clientbound_level_chunk_with_light_packet::ClientboundLevelChunkWithLightPacket,
-        0x20: clientbound_level_event_packet::ClientboundLevelEventPacket,
-        0x21: clientbound_level_particles_packet::ClientboundLevelParticlesPacket,
-        0x22: clientbound_light_update_packet::ClientboundLightUpdatePacket,
-        0x23: clientbound_login_packet::ClientboundLoginPacket,
-        0x26: clientbound_move_entity_pos_packet::ClientboundMoveEntityPosPacket,
-        0x27: clientbound_move_entity_posrot_packet::ClientboundMoveEntityPosRotPacket,
-        0x28: clientbound_move_entity_rot_packet::ClientboundMoveEntityRotPacket,
-        0x2f: clientbound_player_abilities_packet::ClientboundPlayerAbilitiesPacket,
-        0x30: clientbound_player_chat_packet::ClientboundPlayerChatPacket,
-        0x34: clientbound_player_info_packet::ClientboundPlayerInfoPacket,
-        0x36: clientbound_player_position_packet::ClientboundPlayerPositionPacket,
-        0x37: clientbound_recipe_packet::ClientboundRecipePacket,
-        0x38: clientbound_remove_entities_packet::ClientboundRemoveEntitiesPacket,
-        0x3c: clientbound_rotate_head_packet::ClientboundRotateHeadPacket,
-        0x3d: clientbound_section_blocks_update_packet::ClientboundSectionBlocksUpdatePacket,
-        0x3f: clientbound_server_data_packet::ClientboundServerDataPacket,
-        0x47: clientbound_set_carried_item_packet::ClientboundSetCarriedItemPacket,
-        0x48: clientbound_set_chunk_cache_center_packet::ClientboundSetChunkCacheCenterPacket,
-        0x49: clientbound_update_view_distance_packet::ClientboundUpdateViewDistancePacket,
-        0x4a: clientbound_set_default_spawn_position_packet::ClientboundSetDefaultSpawnPositionPacket,
-        0x4b: clientbound_set_display_chat_preview_packet::ClientboundSetDisplayChatPreviewPacket,
-        0x4d: clientbound_set_entity_data_packet::ClientboundSetEntityDataPacket,
-        0x4e: clientbound_set_entity_link_packet::ClientboundSetEntityLinkPacket,
-        0x4f: clientbound_entity_velocity_packet::ClientboundEntityVelocityPacket,
-        0x50: clientbound_set_equipment_packet::ClientboundSetEquipmentPacket,
-        0x51: clientbound_set_experience_packet::ClientboundSetExperiencePacket,
-        0x52: clientbound_set_health_packet::ClientboundSetHealthPacket,
-        0x59: clientbound_set_time_packet::ClientboundSetTimePacket,
-        0x5d: clientbound_sound_packet::ClientboundSoundPacket,
-        0x5f: clientbound_system_chat_packet::ClientboundSystemChatPacket,
-        0x63: clientbound_teleport_entity_packet::ClientboundTeleportEntityPacket,
-        0x64: clientbound_update_advancements_packet::ClientboundUpdateAdvancementsPacket,
-        0x65: clientbound_update_attributes_packet::ClientboundUpdateAttributesPacket,
-        0x66: clientbound_update_mob_effect_packet::ClientboundUpdateMobEffectPacket,
-        0x67: clientbound_update_recipes_packet::ClientboundUpdateRecipesPacket,
-        0x68: clientbound_update_tags_packet::ClientboundUpdateTagsPacket,
+        0x15: clientbound_custom_chat_completions_packet::ClientboundCustomChatCompletionsPacket,
+        0x16: clientbound_custom_payload_packet::ClientboundCustomPayloadPacket,
+        0x18: clientbound_delete_chat_packet::ClientboundDeleteChatPacket,
+        0x19: clientbound_disconnect_packet::ClientboundDisconnectPacket,
+        0x1a: clientbound_entity_event_packet::ClientboundEntityEventPacket,
+        0x1d: clientbound_game_event_packet::ClientboundGameEventPacket,
+        0x1f: clientbound_initialize_border_packet::ClientboundInitializeBorderPacket,
+        0x20: clientbound_keep_alive_packet::ClientboundKeepAlivePacket,
+        0x21: clientbound_level_chunk_with_light_packet::ClientboundLevelChunkWithLightPacket,
+        0x22: clientbound_level_event_packet::ClientboundLevelEventPacket,
+        0x23: clientbound_level_particles_packet::ClientboundLevelParticlesPacket,
+        0x24: clientbound_light_update_packet::ClientboundLightUpdatePacket,
+        0x25: clientbound_login_packet::ClientboundLoginPacket,
+        0x28: clientbound_move_entity_pos_packet::ClientboundMoveEntityPosPacket,
+        0x29: clientbound_move_entity_posrot_packet::ClientboundMoveEntityPosrotPacket,
+        0x2a: clientbound_move_entity_rot_packet::ClientboundMoveEntityRotPacket,
+        0x31: clientbound_player_abilities_packet::ClientboundPlayerAbilitiesPacket,
+        0x32: clientbound_player_chat_header_packet::ClientboundPlayerChatHeaderPacket,
+        0x33: clientbound_player_chat_packet::ClientboundPlayerChatPacket,
+        0x37: clientbound_player_info_packet::ClientboundPlayerInfoPacket,
+        0x39: clientbound_player_position_packet::ClientboundPlayerPositionPacket,
+        0x3a: clientbound_recipe_packet::ClientboundRecipePacket,
+        0x3b: clientbound_remove_entities_packet::ClientboundRemoveEntitiesPacket,
+        0x3f: clientbound_rotate_head_packet::ClientboundRotateHeadPacket,
+        0x40: clientbound_section_blocks_update_packet::ClientboundSectionBlocksUpdatePacket,
+        0x42: clientbound_server_data_packet::ClientboundServerDataPacket,
+        0x4a: clientbound_set_carried_item_packet::ClientboundSetCarriedItemPacket,
+        0x4b: clientbound_set_chunk_cache_center_packet::ClientboundSetChunkCacheCenterPacket,
+        0x4c: clientbound_update_view_distance_packet::ClientboundUpdateViewDistancePacket,
+        0x4d: clientbound_set_default_spawn_position_packet::ClientboundSetDefaultSpawnPositionPacket,
+        0x4e: clientbound_set_display_chat_preview_packet::ClientboundSetDisplayChatPreviewPacket,
+        0x50: clientbound_set_entity_data_packet::ClientboundSetEntityDataPacket,
+        0x51: clientbound_set_entity_link_packet::ClientboundSetEntityLinkPacket,
+        0x52: clientbound_entity_velocity_packet::ClientboundEntityVelocityPacket,
+        0x53: clientbound_set_equipment_packet::ClientboundSetEquipmentPacket,
+        0x54: clientbound_set_experience_packet::ClientboundSetExperiencePacket,
+        0x55: clientbound_set_health_packet::ClientboundSetHealthPacket,
+        0x5c: clientbound_set_time_packet::ClientboundSetTimePacket,
+        0x60: clientbound_sound_packet::ClientboundSoundPacket,
+        0x62: clientbound_system_chat_packet::ClientboundSystemChatPacket,
+        0x66: clientbound_teleport_entity_packet::ClientboundTeleportEntityPacket,
+        0x67: clientbound_update_advancements_packet::ClientboundUpdateAdvancementsPacket,
+        0x68: clientbound_update_attributes_packet::ClientboundUpdateAttributesPacket,
+        0x69: clientbound_update_mob_effect_packet::ClientboundUpdateMobEffectPacket,
+        0x6a: clientbound_update_recipes_packet::ClientboundUpdateRecipesPacket,
+        0x6b: clientbound_update_tags_packet::ClientboundUpdateTagsPacket,
     }
 );
diff --git a/azalea-protocol/src/packets/game/serverbound_chat_ack_packet.rs b/azalea-protocol/src/packets/game/serverbound_chat_ack_packet.rs
new file mode 100644
index 00000000..921ca4c7
--- /dev/null
+++ b/azalea-protocol/src/packets/game/serverbound_chat_ack_packet.rs
@@ -0,0 +1,8 @@
+use crate::packets::game::clientbound_player_chat_packet::LastSeenMessagesUpdate;
+use azalea_buf::McBuf;
+use packet_macros::GamePacket;
+
+#[derive(Clone, Debug, McBuf, GamePacket)]
+pub struct ServerboundChatAckPacket {
+    pub last_seen_messages: LastSeenMessagesUpdate,
+}
diff --git a/azalea-protocol/src/packets/game/serverbound_chat_command_packet.rs b/azalea-protocol/src/packets/game/serverbound_chat_command_packet.rs
index 6371463b..1639deae 100644
--- a/azalea-protocol/src/packets/game/serverbound_chat_command_packet.rs
+++ b/azalea-protocol/src/packets/game/serverbound_chat_command_packet.rs
@@ -1,19 +1,22 @@
-use std::collections::HashMap;
-
 use azalea_buf::McBuf;
+use azalea_crypto::MessageSignature;
 use packet_macros::GamePacket;
 
+use super::clientbound_player_chat_packet::LastSeenMessagesUpdate;
+
 #[derive(Clone, Debug, McBuf, GamePacket)]
 pub struct ServerboundChatCommandPacket {
     pub command: String,
     // TODO: Choose a real timestamp type
     pub timestamp: u64,
-    pub argument_signatures: ArgumentSignatures,
+    pub salt: i64,
+    pub argument_signatures: Vec<ArgumentSignature>,
     pub signed_preview: bool,
+    pub last_seen_messages: LastSeenMessagesUpdate,
 }
 
 #[derive(Clone, Debug, McBuf)]
-pub struct ArgumentSignatures {
-    pub salt: u64,
-    pub signatures: HashMap<String, Vec<u8>>,
+pub struct ArgumentSignature {
+    pub name: String,
+    pub signature: MessageSignature,
 }
diff --git a/azalea-protocol/src/packets/game/serverbound_chat_packet.rs b/azalea-protocol/src/packets/game/serverbound_chat_packet.rs
new file mode 100644
index 00000000..f0c99b14
--- /dev/null
+++ b/azalea-protocol/src/packets/game/serverbound_chat_packet.rs
@@ -0,0 +1,14 @@
+use crate::packets::game::clientbound_player_chat_packet::LastSeenMessagesUpdate;
+use azalea_buf::McBuf;
+use azalea_crypto::MessageSignature;
+use packet_macros::GamePacket;
+
+#[derive(Clone, Debug, McBuf, GamePacket)]
+pub struct ServerboundChatPacket {
+    pub message: String,
+    pub timestamp: u64,
+    pub salt: u64,
+    pub signature: MessageSignature,
+    pub signed_preview: bool,
+    pub last_seen_messages: LastSeenMessagesUpdate,
+}
diff --git a/azalea-protocol/src/packets/login/serverbound_hello_packet.rs b/azalea-protocol/src/packets/login/serverbound_hello_packet.rs
index 57a3e4d8..0f6f9a50 100755
--- a/azalea-protocol/src/packets/login/serverbound_hello_packet.rs
+++ b/azalea-protocol/src/packets/login/serverbound_hello_packet.rs
@@ -1,10 +1,12 @@
 use azalea_buf::McBuf;
 use packet_macros::LoginPacket;
+use uuid::Uuid;
 
 #[derive(Clone, Debug, McBuf, LoginPacket)]
 pub struct ServerboundHelloPacket {
     pub username: String,
     pub public_key: Option<ProfilePublicKeyData>,
+    pub profile_id: Option<Uuid>,
 }
 
 #[derive(Clone, Debug, McBuf)]
diff --git a/azalea-protocol/src/packets/mod.rs b/azalea-protocol/src/packets/mod.rs
index cf405e98..fbccc087 100755..100644
--- a/azalea-protocol/src/packets/mod.rs
+++ b/azalea-protocol/src/packets/mod.rs
@@ -7,7 +7,7 @@ use crate::connect::PacketFlow;
 use azalea_buf::{McBufWritable, Readable, Writable};
 use std::io::{Read, Write};
 
-pub const PROTOCOL_VERSION: u32 = 759;
+pub const PROTOCOL_VERSION: u32 = 760;
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum ConnectionProtocol {
diff --git a/bot/src/main.rs b/bot/src/main.rs
index 3ff30908..0f3ea31a 100644
--- a/bot/src/main.rs
+++ b/bot/src/main.rs
@@ -6,7 +6,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     println!("Hello, world!");
 
     // let address = "95.111.249.143:10000";
-    let address = "localhost:56150";
+    let address = "localhost:25565";
     // let response = azalea_client::ping::ping_server(&address.try_into().unwrap())
     //     .await
     //     .unwrap();
diff --git a/codegen/lib/code/packet.py b/codegen/lib/code/packet.py
index de8254e7..ffa7841c 100644
--- a/codegen/lib/code/packet.py
+++ b/codegen/lib/code/packet.py
@@ -110,7 +110,8 @@ def set_packets(packet_ids: list[int], packet_class_names: list[str], direction:
     packet_ids, packet_class_names = [list(x) for x in zip(
         *sorted(zip(packet_ids, packet_class_names), key=lambda pair: pair[0]))]  # type: ignore
 
-    mod_rs_dir = f'../azalea-protocol/src/packets/{state}/mod.rs'
+    mod_rs_dir = get_dir_location(
+        f'../azalea-protocol/src/packets/{state}/mod.rs')
     with open(mod_rs_dir, 'r') as f:
         mod_rs = f.read().splitlines()
     new_mod_rs = []
@@ -140,6 +141,7 @@ def set_packets(packet_ids: list[int], packet_class_names: list[str], direction:
                     new_mod_rs.append(
                         make_packet_mod_rs_line(packet_id, packet_class_name)
                     )
+                    required_modules.append(packet_class_name)
             else:
                 ignore_lines = False
             continue
@@ -164,7 +166,8 @@ def set_packets(packet_ids: list[int], packet_class_names: list[str], direction:
 
 
 def get_packets(direction: str, state: str):
-    mod_rs_dir = f'../azalea-protocol/src/packets/{state}/mod.rs'
+    mod_rs_dir = get_dir_location(
+        f'../azalea-protocol/src/packets/{state}/mod.rs')
     with open(mod_rs_dir, 'r') as f:
         mod_rs = f.read().splitlines()
 
@@ -268,3 +271,28 @@ def remove_packet_ids(removing_packet_ids: list[int], direction: str, state: str
             new_packet_class_names.append(packet_class_name)
 
     set_packets(new_packet_ids, new_packet_class_names, direction, state)
+
+
+def are_packet_instructions_identical(old_packet, new_packet):
+    old_packet = old_packet or []
+    new_packet = new_packet or []
+
+    if len(old_packet) != len(new_packet):
+        return False
+
+    for old_field, new_field in zip(old_packet, new_packet):
+        if old_field['operation'] != new_field['operation']:
+            return False
+        if new_field['operation'] == 'write':
+            if burger_type_to_rust_type(old_field.get('type')) != burger_type_to_rust_type(new_field.get('type')):
+                return False
+        else:
+            # comparing is too complicated here since it's possible the type has variables
+            # so we just don't
+            pass
+
+        if 'instructions' in old_field and 'instructions' in new_field:
+            if not are_packet_instructions_identical(old_field['instructions'], new_field['instructions']):
+                return False
+
+    return True
diff --git a/codegen/lib/code/utils.py b/codegen/lib/code/utils.py
index ecfff4fb..0c22d7ba 100644
--- a/codegen/lib/code/utils.py
+++ b/codegen/lib/code/utils.py
@@ -62,8 +62,7 @@ def burger_type_to_rust_type(burger_type):
             burger_type[:-2])
         field_type_rs = f'Vec<{field_type_rs}>'
     else:
-        print('Unknown field type:', burger_type)
-        exit()
+        raise Exception(f'Unknown field type: {burger_type}')
     return field_type_rs, is_var, uses
 
 
diff --git a/codegen/lib/code/version.py b/codegen/lib/code/version.py
index 511d30d1..13d9472d 100644
--- a/codegen/lib/code/version.py
+++ b/codegen/lib/code/version.py
@@ -36,7 +36,7 @@ def set_version_id(version_id: str) -> None:
 def get_protocol_version() -> str:
     # azalea-protocol/src/packets/mod.rs
     # pub const PROTOCOL_VERSION: u32 = 758;
-    with open('../azalea-protocol/src/packets/mod.rs', 'r') as f:
+    with open(get_dir_location('../azalea-protocol/src/packets/mod.rs'), 'r') as f:
         mod_rs = f.read().splitlines()
     for line in mod_rs:
         if line.strip().startswith('pub const PROTOCOL_VERSION'):
@@ -46,7 +46,7 @@ def get_protocol_version() -> str:
 
 
 def set_protocol_version(protocol_version: str) -> None:
-    with open('../azalea-protocol/src/packets/mod.rs', 'r') as f:
+    with open(get_dir_location('../azalea-protocol/src/packets/mod.rs'), 'r') as f:
         mod_rs = f.read().splitlines()
     for i, line in enumerate(mod_rs):
         if line.strip().startswith('pub const PROTOCOL_VERSION'):
@@ -56,5 +56,5 @@ def set_protocol_version(protocol_version: str) -> None:
         raise Exception(
             'Could not find protocol version in azalea-protocol/src/packets/mod.rs')
 
-    with open('../azalea-protocol/src/packets/mod.rs', 'w') as f:
+    with open(get_dir_location('../azalea-protocol/src/packets/mod.rs'), 'w') as f:
         f.write('\n'.join(mod_rs))
diff --git a/codegen/lib/download.py b/codegen/lib/download.py
index e9712f8d..d9e2e63f 100644
--- a/codegen/lib/download.py
+++ b/codegen/lib/download.py
@@ -1,4 +1,5 @@
 from lib.utils import get_dir_location
+import xml.etree.ElementTree as ET
 from .mappings import Mappings
 import requests
 import json
@@ -118,11 +119,39 @@ def get_yarn_data(version_id: str):
             return version
 
 
+def get_fabric_api_versions():
+    # https://maven.fabricmc.net/net/fabricmc/fabric-api/fabric-api/maven-metadata.xml
+    if not os.path.exists(get_dir_location('downloads/fabric_api_versions.json')):
+        print('\033[92mDownloading Fabric API versions...\033[m')
+        fabric_api_versions_xml_text = requests.get(
+            'https://maven.fabricmc.net/net/fabricmc/fabric-api/fabric-api/maven-metadata.xml').text
+        # parse xml
+        fabric_api_versions_data_xml = ET.fromstring(
+            fabric_api_versions_xml_text)
+        fabric_api_versions = []
+
+        versioning_el = fabric_api_versions_data_xml.find('versioning')
+        assert versioning_el
+        versions_el = versioning_el.find('versions')
+        assert versions_el
+
+        for version_el in versions_el.findall('version'):
+            fabric_api_versions.append(version_el.text)
+
+        with open(get_dir_location('downloads/fabric_api_versions.json'), 'w') as f:
+            f.write(json.dumps(fabric_api_versions))
+    else:
+        with open(get_dir_location('downloads/fabric_api_versions.json'), 'r') as f:
+            fabric_api_versions = json.loads(f.read())
+    return fabric_api_versions
+
+
 def clear_version_cache():
     print('\033[92mClearing version cache...\033[m')
     files = [
         'version_manifest.json',
-        'yarn_versions.json'
+        'yarn_versions.json',
+        'fabric_api_versions.json'
     ]
     for file in files:
         if os.path.exists(get_dir_location(f'downloads/{file}')):
diff --git a/codegen/lib/extract.py b/codegen/lib/extract.py
index 893b8d5c..4c2d2399 100644
--- a/codegen/lib/extract.py
+++ b/codegen/lib/extract.py
@@ -1,6 +1,6 @@
 # Extracting data from the Minecraft jars
 
-from lib.download import get_server_jar, get_burger, get_client_jar, get_generator_mod, get_yarn_data
+from lib.download import get_server_jar, get_burger, get_client_jar, get_generator_mod, get_yarn_data, get_fabric_api_versions
 from lib.utils import get_dir_location
 import json
 import os
@@ -61,7 +61,9 @@ def get_generator_mod_data(version_id: str, category: str):
         # looks like 1.19+build.1
         yarn_version = yarn_data['version']
 
-        # the mod has the minecraft version hard-coded by default, so we just change the gradle.properties
+        fabric_api_version = get_fabric_api_versions()[-1]
+
+        # the mod has the minecraft version hard-coded by default, so we just change the gradle.properties and fabric.mod.json
         with open(get_dir_location(f'{generator_mod_dir}/gradle.properties'), 'r') as f:
             lines = f.readlines()
         with open(get_dir_location(f'{generator_mod_dir}/gradle.properties'), 'w') as f:
@@ -70,7 +72,15 @@ def get_generator_mod_data(version_id: str, category: str):
                     line = f'minecraft_version={version_id}\n'
                 if line.startswith('yarn_mappings='):
                     line = f'yarn_mappings={yarn_version}\n'
+                if line.startswith('fabric_version='):
+                    line = f'fabric_version={fabric_api_version}\n'
                 f.write(line)
+        # edit the fabric.mod.json to support this version
+        with open(get_dir_location(f'{generator_mod_dir}/src/main/resources/fabric.mod.json'), 'r') as f:
+            fabric_mod_json = json.load(f)
+        fabric_mod_json['depends']['minecraft'] = '*'
+        with open(get_dir_location(f'{generator_mod_dir}/src/main/resources/fabric.mod.json'), 'w') as f:
+            json.dump(fabric_mod_json, f, indent=2)
 
         os.system(
             f'cd {generator_mod_dir} && gradlew runServer'
diff --git a/codegen/migrate.py b/codegen/migrate.py
index e5b17770..2dacc208 100644
--- a/codegen/migrate.py
+++ b/codegen/migrate.py
@@ -9,6 +9,14 @@ import sys
 
 lib.download.clear_version_cache()
 
+if len(sys.argv) == 1:
+    print('\033[91mYou must provide a version to migrate to.\033[m')
+    version_manifest = lib.download.get_version_manifest()
+    newest_version = version_manifest['latest']['snapshot']
+    print(f'Hint: newest version is \033[1m{newest_version}\033[m')
+    exit()
+
+
 old_version_id = lib.code.version.get_version_id()
 old_mappings = lib.download.get_mappings_for_version(old_version_id)
 old_burger_data = lib.extract.get_burger_data_for_version(old_version_id)
@@ -21,18 +29,24 @@ new_packet_list = list(new_burger_data[0]['packets']['packet'].values())
 
 
 old_packets: dict[PacketIdentifier, str] = {}
+old_packets_data: dict[PacketIdentifier, dict] = {}
 new_packets: dict[PacketIdentifier, str] = {}
+new_packets_data: dict[PacketIdentifier, dict] = {}
 
 for packet in old_packet_list:
     assert packet['class'].endswith('.class')
     packet_name = old_mappings.get_class(packet['class'][:-6])
-    old_packets[PacketIdentifier(
-        packet['id'], packet['direction'].lower(), fix_state(packet['state']))] = packet_name
+    packet_ident = PacketIdentifier(
+        packet['id'], packet['direction'].lower(), fix_state(packet['state']))
+    old_packets[packet_ident] = packet_name
+    old_packets_data[packet_ident] = packet
 for packet in new_packet_list:
     assert packet['class'].endswith('.class')
     packet_name = new_mappings.get_class(packet['class'][:-6])
-    new_packets[PacketIdentifier(
-        packet['id'], packet['direction'].lower(), fix_state(packet['state']))] = packet_name
+    packet_ident = PacketIdentifier(
+        packet['id'], packet['direction'].lower(), fix_state(packet['state']))
+    new_packets[packet_ident] = packet_name
+    new_packets_data[packet_ident] = packet
 
 # find removed packets
 removed_packets: list[PacketIdentifier] = []
@@ -65,13 +79,22 @@ for (direction, state), packets in group_packets(list(changed_packets.keys())).i
 
 print()
 
-# find added packets
-added_packets: list[PacketIdentifier] = []
-for packet, packet_name in new_packets.items():
+# find added/changed packets
+added_or_changed_packets: list[PacketIdentifier] = []
+for new_packet, packet_name in new_packets.items():
+    old_packet = None
+    for old_packet_tmp, old_packet_name in old_packets.items():
+        if old_packet_name == packet_name:
+            old_packet = old_packet_tmp
+            break
+
     if packet_name not in old_packets.values():
-        added_packets.append(packet)
-        print('Added packet:', packet, packet_name)
-for packet in added_packets:
+        added_or_changed_packets.append(new_packet)
+        print('Added packet:', new_packet, packet_name)
+    elif old_packet and not lib.code.packet.are_packet_instructions_identical(new_packets_data[new_packet].get('instructions'), old_packets_data[old_packet].get('instructions')):
+        added_or_changed_packets.append(new_packet)
+        print('Changed packet:', new_packet, packet_name)
+for packet in added_or_changed_packets:
     lib.code.packet.generate_packet(
         new_burger_data[0]['packets']['packet'], new_mappings, packet.packet_id, packet.direction, packet.state)
 
diff --git a/examples/craft_dig_straight_down.rs b/examples/craft_dig_straight_down.rs
index 54bf0015..47c4fe28 100644
--- a/examples/craft_dig_straight_down.rs
+++ b/examples/craft_dig_straight_down.rs
@@ -1,15 +1,35 @@
 use azalea::{Bot, Event};
 
-let bot = Bot::offline("bot");
-// or let bot = azalea::Bot::microsoft("access token").await;
+struct Context {
+    pub started: bool
+}
+
+#[tokio::main]
+async fn main() {
+    let bot = Bot::offline("bot");
+    // or let bot = azalea::Bot::microsoft("access token").await;
+
+    bot.join("localhost".try_into().unwrap()).await.unwrap();
 
-bot.join("localhost".try_into().unwrap()).await.unwrap();
+    let ctx = Arc::new(Mutex::new(Context { started: false }));
 
-loop {
-    match bot.next().await {
+    loop {
+       tokio::spawn(handle_event(bot.next().await, bot, ctx.clone()));
+    }
+}
+
+
+async fn handle_event(event: &Event, bot: &Bot, ctx: Arc<Context>) {
+    match event {
         Event::Message(m) {
             if m.username == bot.player.username { return };
             if m.message = "go" {
+                // make sure we only start once
+                let ctx_lock = ctx.lock().unwrap();
+                if ctx_lock.started { return };
+                ctx_lock.started = true;
+                drop(ctx_lock);
+
                 bot.goto_goal(
                     pathfinder::Goals::NearXZ(5, azalea::BlockXZ(0, 0))
                 ).await;
@@ -34,4 +54,4 @@ loop {
         },
         _ => {}
     }
-}
+}
\ No newline at end of file