Add initial stuffs for actor replication

src/bin/kawari-world.rs

@@ -18,6 +18,10 @@ use kawari::world::ipc::{
     GameMasterCommandType, GameMasterRank, ObjectKind, OnlineStatus, PlayerSubKind,
     ServerZoneIpcData, ServerZoneIpcSegment, SocialListRequestType,
 };
+use kawari::world::{
+    Actor, ClientHandle, ClientId, EffectsBuilder, FromServer, LuaPlayer, PlayerData, ServerHandle,
+    StatusEffects, ToServer, WorldDatabase,
+};
 use kawari::world::{
     ChatHandler, Inventory, Zone, ZoneConnection,
     ipc::{
@@ -25,10 +29,6 @@ use kawari::world::{
         SocialList,
     },
 };
-use kawari::world::{
-    ClientHandle, ClientId, EffectsBuilder, FromServer, LuaPlayer, PlayerData, ServerHandle,
-    StatusEffects, ToServer, WorldDatabase,
-};
 use mlua::{Function, Lua};
 use std::net::SocketAddr;
 use tokio::io::AsyncReadExt;
@@ -49,10 +49,12 @@ struct ExtraLuaState {
 #[derive(Default, Debug)]
 struct Data {
     clients: HashMap<ClientId, ClientHandle>,
+    actors: Vec<Actor>,
 }
 
 async fn main_loop(mut recv: Receiver<ToServer>) -> Result<(), std::io::Error> {
     let mut data = Data::default();
+    let mut to_remove = Vec::new();
 
     while let Some(msg) = recv.recv().await {
         match msg {
@@ -60,9 +62,7 @@ async fn main_loop(mut recv: Receiver<ToServer>) -> Result<(), std::io::Error> {
                 data.clients.insert(handle.id, handle);
             }
             ToServer::Message(from_id, msg) => {
-                let mut to_remove = Vec::new();
-
-                for (id, handle) in data.clients.iter_mut() {
+                for (id, handle) in &mut data.clients {
                     let id = *id;
 
                     if id == from_id {
@@ -75,16 +75,44 @@ async fn main_loop(mut recv: Receiver<ToServer>) -> Result<(), std::io::Error> {
                         to_remove.push(id);
                     }
                 }
+            }
+            ToServer::ActorSpawned(from_id, actor) => {
+                for (id, handle) in &mut data.clients {
+                    let id = *id;
 
-                // Remove any clients that errored out
-                for id in to_remove {
-                    data.clients.remove(&id);
+                    if id == from_id {
+                        continue;
+                    }
+
+                    let msg = FromServer::ActorSpawn(actor);
+
+                    if handle.send(msg).is_err() {
+                        to_remove.push(id);
+                    }
+                }
+            }
+            ToServer::ActorMoved(from_id, actor_id, position) => {
+                for (id, handle) in &mut data.clients {
+                    let id = *id;
+
+                    if id == from_id {
+                        continue;
+                    }
+
+                    let msg = FromServer::ActorMove(actor_id, position);
+
+                    if handle.send(msg).is_err() {
+                        to_remove.push(id);
+                    }
                 }
             }
             ToServer::FatalError(err) => return Err(err),
         }
     }
-
+    // Remove any clients that errored out
+    for id in to_remove {
+        data.clients.remove(&id);
+    }
     Ok(())
 }
 
@@ -1016,7 +1044,9 @@ async fn client_loop(
             }
             msg = internal_recv.recv() => match msg {
                 Some(msg) => match msg {
-                    FromServer::Message(msg) => connection.send_message(&msg).await,
+                    FromServer::Message(msg)=>connection.send_message(&msg).await,
+                    FromServer::ActorSpawn(actor) => connection.spawn_actor(actor).await,
+                    FromServer::ActorMove(actor_id, position) => connection.set_actor_position(actor_id, position).await,
                 },
                 None => break,
             }

src/packet/parsing.rs

@@ -136,7 +136,7 @@ struct Packet<T: ReadWriteIpcSegment> {
 
 fn dump(msg: &str, data: &[u8]) {
     write("packet.bin", data).unwrap();
-    panic!("{msg} Dumped to packet.bin.");
+    tracing::warn!("{msg} Dumped to packet.bin.");
 }
 
 pub async fn send_packet<T: ReadWriteIpcSegment>(

src/world/connection.rs

@@ -9,7 +9,7 @@ use std::{
 use tokio::{net::TcpStream, sync::mpsc::Sender, task::JoinHandle};
 
 use crate::{
-    common::{GameData, ObjectId, Position, timestamp_secs},
+    common::{GameData, ObjectId, ObjectTypeId, Position, timestamp_secs},
     opcodes::ServerZoneIpcType,
     packet::{
         CompressionType, ConnectionType, PacketSegment, PacketState, SegmentType, parse_packet,
@@ -19,10 +19,11 @@ use crate::{
 
 use super::{
     Actor, Event, Inventory, Item, LuaPlayer, StatusEffects, WorldDatabase, Zone,
+    chat_handler::CUSTOMIZE_DATA,
     ipc::{
-        ActorControlSelf, ActorSetPos, ClientZoneIpcSegment, ContainerInfo, ContainerType,
-        InitZone, ItemInfo, ServerZoneIpcData, ServerZoneIpcSegment, StatusEffect,
-        StatusEffectList, UpdateClassInfo, WeatherChange,
+        ActorControlSelf, ActorSetPos, BattleNpcSubKind, ClientZoneIpcSegment, CommonSpawn,
+        ContainerInfo, ContainerType, InitZone, ItemInfo, NpcSpawn, ObjectKind, ServerZoneIpcData,
+        ServerZoneIpcSegment, StatusEffect, StatusEffectList, UpdateClassInfo, WeatherChange,
     },
 };
 
@@ -53,6 +54,10 @@ pub struct ClientId(usize);
 pub enum FromServer {
     /// A chat message.
     Message(String),
+    /// An actor has been spawned.
+    ActorSpawn(Actor),
+    /// An actor moved to a new position.
+    ActorMove(u32, Position),
 }
 
 #[derive(Debug)]
@@ -88,6 +93,8 @@ impl ClientHandle {
 pub enum ToServer {
     NewClient(ClientHandle),
     Message(ClientId, String),
+    ActorSpawned(ClientId, Actor),
+    ActorMoved(ClientId, u32, Position),
     FatalError(std::io::Error),
 }
 
@@ -247,6 +254,67 @@ impl ZoneConnection {
         }
     }
 
+    pub async fn set_actor_position(&mut self, actor_id: u32, position: Position) {
+        let ipc = ServerZoneIpcSegment {
+            op_code: ServerZoneIpcType::ActorMove,
+            timestamp: timestamp_secs(),
+            data: ServerZoneIpcData::ActorMove { pos: position },
+            ..Default::default()
+        };
+
+        self.send_segment(PacketSegment {
+            source_actor: actor_id,
+            target_actor: actor_id,
+            segment_type: SegmentType::Ipc { data: ipc },
+        })
+        .await;
+    }
+
+    pub async fn spawn_actor(&mut self, actor: Actor) {
+        let ipc = ServerZoneIpcSegment {
+            unk1: 20,
+            unk2: 0,
+            op_code: ServerZoneIpcType::NpcSpawn,
+            server_id: 0,
+            timestamp: timestamp_secs(),
+            data: ServerZoneIpcData::NpcSpawn(NpcSpawn {
+                common: CommonSpawn {
+                    hp_curr: 100,
+                    hp_max: 100,
+                    mp_curr: 100,
+                    mp_max: 100,
+                    look: CUSTOMIZE_DATA,
+                    spawn_index: self.get_free_spawn_index(),
+                    bnpc_base: 13498,
+                    bnpc_name: 10261,
+                    object_kind: ObjectKind::BattleNpc(BattleNpcSubKind::Enemy),
+                    level: 1,
+                    models: [
+                        0,  // head
+                        89, // body
+                        89, // hands
+                        89, // legs
+                        89, // feet
+                        0,  // ears
+                        0,  // neck
+                        0,  // wrists
+                        0,  // left finger
+                        0,  // right finger
+                    ],
+                    ..Default::default()
+                },
+                ..Default::default()
+            }),
+        };
+
+        self.send_segment(PacketSegment {
+            source_actor: actor.id.0,
+            target_actor: self.player_data.actor_id,
+            segment_type: SegmentType::Ipc { data: ipc },
+        })
+        .await;
+    }
+
     pub async fn change_zone(&mut self, new_zone_id: u16) {
         self.zone = Some(Zone::load(new_zone_id));
         self.player_data.zone_id = new_zone_id;