Add Chat support

README.md

@@ -57,7 +57,7 @@ Pumpkin is currently under heavy development.
   - [ ] Player Inventory
   - [ ] Player Attack
 - Server
-  - [ ] Chat
+  - [x] Chat
   - [x] Commands
 
 Check out our [Github Project](https://github.com/users/Snowiiii/projects/12/views/1) to see current progress

pumpkin-protocol/src/bytebuf/serializer.rs

@@ -1,10 +1,11 @@
 use std::fmt::Display;
 
-use serde::{ser, Serialize};
+use serde::{
+    ser::{self},
+    Serialize,
+};
 use thiserror::Error;
 
-use crate::VarInt;
-
 use super::ByteBuffer;
 
 pub struct Serializer {
@@ -126,10 +127,9 @@ impl<'a> ser::Serializer for &'a mut Serializer {
         self.output.put_bool(false);
         Ok(())
     }
-    fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
-        if let Some(len) = len {
-            self.output.put_var_int(&VarInt(len as i32));
-        }
+    fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
+        // here is where all arrays/list getting written, usally we prefix the length of every length with an var int. The problem is
+        // that byte arrays also getting thrown in here, and we don't want to prefix them
         Ok(self)
     }
     fn serialize_some<T>(self, value: &T) -> Result<Self::Ok, Self::Error>
@@ -137,7 +137,6 @@ impl<'a> ser::Serializer for &'a mut Serializer {
         T: ?Sized + Serialize,
     {
         self.output.put_bool(true);
-        dbg!("aa");
         value.serialize(self)
     }
     fn serialize_str(self, v: &str) -> Result<Self::Ok, Self::Error> {
@@ -288,7 +287,7 @@ impl<'a> ser::SerializeTupleVariant for &'a mut Serializer {
     }
 
     fn end(self) -> Result<(), Self::Error> {
-        todo!()
+        Ok(())
     }
 }
 

pumpkin-protocol/src/client/login/c_encryption_request.rs

@@ -1,42 +1,33 @@
 use pumpkin_macros::packet;
+use serde::Serialize;
 
-use crate::{bytebuf::ByteBuffer, ClientPacket, VarInt};
+use crate::{RawBytes, VarInt};
 
+#[derive(Serialize)]
 #[packet(0x01)]
 pub struct CEncryptionRequest<'a> {
     server_id: &'a str, // 20
     public_key_length: VarInt,
-    public_key: &'a [u8],
+    public_key: RawBytes<'a>,
     verify_token_length: VarInt,
-    verify_token: &'a [u8],
+    verify_token: RawBytes<'a>,
     should_authenticate: bool,
 }
 
 impl<'a> CEncryptionRequest<'a> {
     pub fn new(
         server_id: &'a str,
-        public_key: &'a [u8],
-        verify_token: &'a [u8],
+        public_key: RawBytes<'a>,
+        verify_token: RawBytes<'a>,
         should_authenticate: bool,
     ) -> Self {
         Self {
             server_id,
-            public_key_length: public_key.len().into(),
+            public_key_length: public_key.0.len().into(),
             public_key,
-            verify_token_length: verify_token.len().into(),
+            verify_token_length: verify_token.0.len().into(),
             verify_token,
             should_authenticate,
         }
     }
 }
-
-impl<'a> ClientPacket for CEncryptionRequest<'a> {
-    fn write(&self, bytebuf: &mut ByteBuffer) {
-        bytebuf.put_string(self.server_id);
-        bytebuf.put_var_int(&self.public_key_length);
-        bytebuf.put_slice(self.public_key);
-        bytebuf.put_var_int(&self.verify_token_length);
-        bytebuf.put_slice(self.verify_token);
-        bytebuf.put_bool(self.should_authenticate);
-    }
-}

pumpkin-protocol/src/client/play/c_disguised_chat_message.rs

@@ -0,0 +1,37 @@
+use pumpkin_macros::packet;
+
+use crate::{text::TextComponent, ClientPacket, VarInt};
+
+#[derive(Clone)]
+#[packet(0x1E)]
+pub struct CDisguisedChatMessage {
+    message: TextComponent,
+    chat_type: VarInt,
+    sender_name: TextComponent,
+    target_name: Option<TextComponent>,
+}
+
+impl CDisguisedChatMessage {
+    pub fn new(
+        message: TextComponent,
+        chat_type: VarInt,
+        sender_name: TextComponent,
+        target_name: Option<TextComponent>,
+    ) -> Self {
+        Self {
+            message,
+            chat_type,
+            sender_name,
+            target_name,
+        }
+    }
+}
+
+impl ClientPacket for CDisguisedChatMessage {
+    fn write(&self, bytebuf: &mut crate::bytebuf::ByteBuffer) {
+        bytebuf.put_slice(&self.message.encode());
+        bytebuf.put_var_int(&self.chat_type);
+        bytebuf.put_slice(&self.sender_name.encode());
+        bytebuf.put_option(&self.target_name, |p, v| p.put_slice(&v.encode()));
+    }
+}

pumpkin-protocol/src/client/play/c_login.rs

@@ -8,6 +8,7 @@ use crate::VarInt;
 pub struct CLogin {
     entity_id: i32,
     is_hardcore: bool,
+    dimension_count: VarInt,
     dimension_names: Vec<String>,
     max_players: VarInt,
     view_distance: VarInt,
@@ -53,6 +54,7 @@ impl CLogin {
         Self {
             entity_id,
             is_hardcore,
+            dimension_count: VarInt(dimension_names.len() as i32),
             dimension_names,
             max_players,
             view_distance,

pumpkin-protocol/src/client/play/c_player_chat_message.rs

@@ -1,10 +1,12 @@
-use num_derive::FromPrimitive;
+use num_derive::{FromPrimitive, ToPrimitive};
+use pumpkin_macros::packet;
 use serde::Serialize;
 
 use crate::{text::TextComponent, VarInt};
 
-#[derive(Serialize)]
-pub struct PlayerChatMessage<'a> {
+#[derive(Serialize, Clone)]
+#[packet(0x39)]
+pub struct CPlayerChatMessage<'a> {
     sender: uuid::Uuid,
     index: VarInt,
     message_signature: Option<&'a [u8]>,
@@ -20,7 +22,7 @@ pub struct PlayerChatMessage<'a> {
     target_name: Option<TextComponent>,
 }
 
-impl<'a> PlayerChatMessage<'a> {
+impl<'a> CPlayerChatMessage<'a> {
     #[allow(clippy::too_many_arguments)]
     pub fn new(
         sender: uuid::Uuid,
@@ -59,7 +61,7 @@ pub struct PreviousMessage<'a> {
     signature: Option<&'a [u8]>,
 }
 
-#[derive(FromPrimitive)]
+#[derive(FromPrimitive, ToPrimitive)]
 pub enum FilterType {
     /// Message is not filtered at all
     PassThrough,

pumpkin-protocol/src/client/play/c_system_chat_message.rs

@@ -3,7 +3,7 @@ use serde::Serialize;
 
 use crate::text::TextComponent;
 
-#[derive(Serialize)]
+#[derive(Serialize, Clone)]
 #[packet(0x6C)]
 pub struct CSystemChatMessge {
     content: TextComponent,

pumpkin-protocol/src/client/play/mod.rs

@@ -1,5 +1,6 @@
 mod c_change_difficulty;
 mod c_chunk_data_update_light;
+mod c_disguised_chat_message;
 mod c_entity_animation;
 mod c_entity_metadata;
 mod c_game_event;
@@ -21,6 +22,7 @@ mod player_action;
 
 pub use c_change_difficulty::*;
 pub use c_chunk_data_update_light::*;
+pub use c_disguised_chat_message::*;
 pub use c_entity_animation::*;
 pub use c_entity_metadata::*;
 pub use c_game_event::*;

pumpkin-protocol/src/lib.rs

@@ -91,6 +91,16 @@ impl VarInt {
     }
 }
 
+pub struct RawBytes<'a>(pub &'a [u8]);
+impl<'a> Serialize for RawBytes<'a> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        serializer.serialize_bytes(self.0)
+    }
+}
+
 impl From<i32> for VarInt {
     fn from(value: i32) -> Self {
         VarInt(value)

pumpkin-protocol/src/server/play/mod.rs

@@ -1,4 +1,5 @@
 mod s_chat_command;
+mod s_chat_message;
 mod s_confirm_teleport;
 mod s_player_command;
 mod s_player_position;
@@ -7,6 +8,7 @@ mod s_player_rotation;
 mod s_swing_arm;
 
 pub use s_chat_command::*;
+pub use s_chat_message::*;
 pub use s_confirm_teleport::*;
 pub use s_player_command::*;
 pub use s_player_position::*;

pumpkin-protocol/src/server/play/s_chat_message.rs

@@ -0,0 +1,29 @@
+use pumpkin_macros::packet;
+
+use crate::{
+    bytebuf::{ByteBuffer, DeserializerError},
+    ServerPacket,
+};
+
+// derive(Deserialize)]
+#[packet(0x06)]
+pub struct SChatMessage {
+    pub message: String,
+    pub timestamp: i64,
+    pub salt: i64,
+    pub signature: Option<Vec<u8>>,
+    // pub messagee_count: VarInt,
+    // acknowledged: BitSet,
+}
+
+impl ServerPacket for SChatMessage {
+    fn read(bytebuf: &mut ByteBuffer) -> Result<Self, DeserializerError> {
+        Ok(Self {
+            message: bytebuf.get_string().unwrap(),
+            timestamp: bytebuf.get_i64(),
+            salt: bytebuf.get_i64(),
+            signature: bytebuf.get_option(|v| v.get_slice().to_vec()),
+            //messagee_count: bytebuf.get_var_int(),
+        })
+    }
+}

pumpkin-protocol/src/text.rs

@@ -15,7 +15,7 @@ impl serde::Serialize for TextComponent {
     where
         S: serde::Serializer,
     {
-        serializer.serialize_bytes(&self.encode())
+        serializer.serialize_bytes(self.encode().as_slice())
     }
 }
 

pumpkin/src/client/authentication.rs

@@ -84,7 +84,6 @@ pub fn unpack_textures(property: Property, config: &TextureConfig) {
     // TODO: no unwrap
     let from64 = general_purpose::STANDARD.decode(property.value).unwrap();
     let textures: ProfileTextures = serde_json::from_slice(&from64).unwrap();
-    dbg!(&textures);
     for texture in textures.textures {
         is_texture_url_valid(Url::parse(&texture.1.url).unwrap(), config);
     }

pumpkin/src/client/client_packet.rs

@@ -11,7 +11,7 @@ use pumpkin_protocol::{
         login::{SEncryptionResponse, SLoginAcknowledged, SLoginPluginResponse, SLoginStart},
         status::{SPingRequest, SStatusRequest},
     },
-    ConnectionState, KnownPack,
+    ConnectionState, KnownPack, RawBytes,
 };
 use pumpkin_registry::Registry;
 use rsa::Pkcs1v15Encrypt;
@@ -64,8 +64,8 @@ impl Client {
         let public_key_der = &server.public_key_der;
         let packet = CEncryptionRequest::new(
             "",
-            public_key_der,
-            &verify_token,
+            RawBytes(public_key_der),
+            RawBytes(&verify_token),
             server.base_config.online_mode, // TODO
         );
         self.send_packet(packet);

pumpkin/src/client/mod.rs

@@ -27,7 +27,7 @@ use pumpkin_protocol::{
         handshake::SHandShake,
         login::{SEncryptionResponse, SLoginAcknowledged, SLoginPluginResponse, SLoginStart},
         play::{
-            SChatCommand, SConfirmTeleport, SPlayerCommand, SPlayerPosition,
+            SChatCommand, SChatMessage, SConfirmTeleport, SPlayerCommand, SPlayerPosition,
             SPlayerPositionRotation, SPlayerRotation, SSwingArm,
         },
         status::{SPingRequest, SStatusRequest},
@@ -195,10 +195,13 @@ impl Client {
                 SLoginStart::PACKET_ID => {
                     self.handle_login_start(server, SLoginStart::read(bytebuf).unwrap())
                 }
-                SEncryptionResponse::PACKET_ID => self.handle_encryption_response(
-                    server,
-                    SEncryptionResponse::read(bytebuf).unwrap(),
-                ).await,
+                SEncryptionResponse::PACKET_ID => {
+                    self.handle_encryption_response(
+                        server,
+                        SEncryptionResponse::read(bytebuf).unwrap(),
+                    )
+                    .await
+                }
                 SLoginPluginResponse::PACKET_ID => self
                     .handle_plugin_response(server, SLoginPluginResponse::read(bytebuf).unwrap()),
                 SLoginAcknowledged::PACKET_ID => self
@@ -261,6 +264,9 @@ impl Client {
             SSwingArm::PACKET_ID => {
                 self.handle_swing_arm(server, SSwingArm::read(bytebuf).unwrap())
             }
+            SChatMessage::PACKET_ID => {
+                self.handle_chat_message(server, SChatMessage::read(bytebuf).unwrap())
+            }
             _ => log::error!("Failed to handle player packet id {}", packet.id.0),
         }
     }

pumpkin/src/client/player_packet.rs

@@ -1,13 +1,14 @@
 use num_traits::FromPrimitive;
 use pumpkin_protocol::{
     client::play::{
-        Animation, CEntityAnimation, CHeadRot, CUpdateEntityPos, CUpdateEntityPosRot,
-        CUpdateEntityRot,
+        Animation, CEntityAnimation, CHeadRot, CSystemChatMessge, CUpdateEntityPos,
+        CUpdateEntityPosRot, CUpdateEntityRot,
     },
     server::play::{
-        SChatCommand, SConfirmTeleport, SPlayerCommand, SPlayerPosition, SPlayerPositionRotation,
-        SPlayerRotation, SSwingArm,
+        SChatCommand, SChatMessage, SConfirmTeleport, SPlayerCommand, SPlayerPosition,
+        SPlayerPositionRotation, SPlayerRotation, SSwingArm,
     },
+    text::TextComponent,
 };
 
 use crate::{
@@ -171,4 +172,45 @@ impl Client {
         let id = player.entity_id();
         server.broadcast_packet_expect(self, CEntityAnimation::new(id.into(), animation as u8))
     }
+
+    pub fn handle_chat_message(&mut self, server: &mut Server, chat_message: SChatMessage) {
+        let message = chat_message.message;
+        // TODO: filter message & validation
+        let gameprofile = self.gameprofile.as_ref().unwrap();
+        dbg!("got message");
+        // yeah a "raw system message", the ugly way to do that, but it works
+        server.broadcast_packet(
+            self,
+            CSystemChatMessge::new(
+                TextComponent::from(format!("{}: {}", gameprofile.name, message)),
+                false,
+            ),
+        )
+        /*server.broadcast_packet(
+        self,
+        CPlayerChatMessage::new(
+            gameprofile.id,
+            0.into(),
+            None,
+            message.clone(),
+            chat_message.timestamp,
+            chat_message.salt,
+            &[],
+            Some(TextComponent::from(message.clone())),
+            pumpkin_protocol::VarInt(FilterType::PassThrough as i32),
+            0.into(),
+            TextComponent::from(gameprofile.name.clone()),
+            None,
+        ),
+        ) */
+        /* server.broadcast_packet(
+            self,
+            CDisguisedChatMessage::new(
+                TextComponent::from(message.clone()),
+                VarInt(0),
+                gameprofile.name.clone().into(),
+                None,
+            ),
+        ) */
+    }
 }

pumpkin/src/commands/mod.rs

@@ -16,6 +16,7 @@ pub trait Command<'a> {
     fn on_execute(sender: &mut CommandSender<'a>, command: String);
 
     /// Specifies wether the Command Sender has to be a Player
+    /// TODO: implement
     fn player_required() -> bool {
         false
     }

pumpkin/src/server.rs

@@ -155,6 +155,7 @@ impl Server {
             0.into(),
             false,
         ));
+        dbg!("sending abilities");
         // player abilities
         client.send_packet(CPlayerAbilities::new(0x02, 00.2, 0.1));