Merge pull request 'bunch of small fixes' (#127) from make_actually_work into master

Reviewed-on: #127

Cargo.lock

@@ -48,9 +48,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.57"
+version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08f9b8508dccb7687a1d6c4ce66b2b0ecef467c94667de27d8d7fe1f8d2a9cdc"
+checksum = "2cb2f989d18dd141ab8ae82f64d1a8cdd37e0840f73a406896cf5e99502fab61"
 dependencies = [
  "backtrace",
 ]
@@ -1040,6 +1040,7 @@ checksum = "739e9d7726dc32173fed2d69d17eef3c54682169e4e20ff1d0a45dcd37063cef"
 [[package]]
 name = "libpso"
 version = "0.1.0"
+source = "git+http://git.sharnoth.com/jake/libpso#5051514fb1d3b39a7eb6ff97b624a9ceebd93e40"
 dependencies = [
  "chrono",
  "psopacket",
@@ -1398,6 +1399,7 @@ dependencies = [
 [[package]]
 name = "psopacket"
 version = "1.0.0"
+source = "git+http://git.sharnoth.com/jake/libpso#5051514fb1d3b39a7eb6ff97b624a9ceebd93e40"
 dependencies = [
  "proc-macro2",
  "quote",

Cargo.toml

@@ -32,4 +32,4 @@ refinery = { version = "0.5.0", features = ["postgres"] }
 sqlx = { version = "0.5.10", features = ["runtime-async-std-native-tls", "postgres", "json", "chrono"] }
 strum = "0.19.5"
 strum_macros = "0.19"
-anyhow = { version = "1.0.47", features = ["backtrace"] }
+anyhow = { version = "1.0.68", features = ["backtrace"] }

src/bin/main.rs

@@ -52,7 +52,7 @@ fn main() {
 
         for i in 0..5 {
             let fake_user = NewUserAccountEntity {
-                email: format!("fake{}@email.com", i),
+                email: format!("fake{i}@email.com"),
                 username: if i == 0 { "hi".to_string() } else { format!("hi{}", i+1) },
                 password: bcrypt::hash("qwer", 5).unwrap(),
                 guildcard: i + 1,
@@ -64,12 +64,12 @@ fn main() {
             };
             let fake_user = entity_gateway.create_user(fake_user).await.unwrap();
             entity_gateway.create_user_settings(NewUserSettingsEntity::new(fake_user.id)).await.unwrap();
-            let mut character = NewCharacterEntity::new(fake_user.id, 1);
+            let mut character = NewCharacterEntity::new(fake_user.id);
             character.name = format!("Test Char {}", i*2);
             let character = entity_gateway.create_character(character).await.unwrap();
             entity_gateway.set_character_meseta(&character.id, item::Meseta(999999)).await.unwrap();
             entity_gateway.set_bank_meseta(&character.id, &item::BankName("".into()), item::Meseta(999999)).await.unwrap();
-            let mut character = NewCharacterEntity::new(fake_user.id, 1);
+            let mut character = NewCharacterEntity::new(fake_user.id);
             character.slot = 2;
             character.name = "ItemRefactor".into();
             character.exp = 80000000;

src/common/mainloop/client.rs

@@ -1,10 +1,11 @@
 use std::collections::HashMap;
 use std::fmt::Debug;
+use std::io::Write;
 use async_std::channel;
 use async_std::io::prelude::{ReadExt, WriteExt};
 use async_std::sync::{Arc, RwLock};
 use futures::future::Future;
-use log::{trace, info, warn};
+use log::{trace, info, warn, error};
 
 use libpso::crypto::{PSOCipher, NullCipher, CipherError};
 use libpso::PacketParseError;
@@ -132,7 +133,7 @@ where
         match pkt_receiver.recv_pkts::<R>().await {
             Ok(pkts) => {
                 for pkt in pkts {
-                    info!("[recv from {:?}] {:#?}", client_id, pkt);
+                    trace!("[recv from {:?}] {:#?}", client_id, pkt);
                     match state.handle(client_id, pkt).await {
                         Ok(response) => {
                             for resp in response {
@@ -147,7 +148,27 @@ where
                             }
                         },
                         Err(err) => {
-                            warn!("[client recv {:?}] error {:?} ", client_id, err);
+                            error!("[client recv {:?}] error {:?} ", client_id, err);
+
+                            let mut f = std::fs::File::options().create(true).append(true).open("errors.txt").unwrap();
+                            f.write_all(format!("[{client_id:?}] {err:?}").as_bytes()).unwrap();
+
+                            // disconnect client on an error
+                            for pkt in state.on_disconnect(client_id).await.unwrap() {
+                                clients
+                                    .read()
+                                    .await
+                                    .get(&pkt.0)
+                                    .unwrap()
+                                    .send(pkt.1)
+                                    .await
+                                    .unwrap();
+                            }
+                            clients
+                                .write()
+                                .await
+                                .remove(&client_id);
+                            break;
                         }
                     }
                 }
@@ -173,7 +194,7 @@ where
                         break;
                     }
                     _ => {
-                        warn!("[client {:?} recv error] {:?}", client_id, err);
+                        error!("[client {:?} recv error] {:?}", client_id, err);
                     }
                 }
             }
@@ -206,7 +227,7 @@ where
             Ok(pkt) => {
                 info!("[send to {:?}] {:#?}", client_id, pkt);
                 if let Err(err) = send_pkt(&mut socket, &mut cipher, &pkt).await {
-                    warn!("error sending pkt {:#?} to {:?} {:?}", pkt, client_id, err);
+                    error!("error sending pkt {:#?} to {:?} {:?}", pkt, client_id, err);
                 }
             },
             Err(err) => {

src/entity/character.rs

@@ -2,8 +2,8 @@ use std::convert::{From, Into};
 use std::collections::HashMap;
 use serde::{Serialize, Deserialize};
 
-use libpso::packet::ship::{UpdateConfig, WriteInfoboard, KeyboardConfig, GamepadConfig};
-use libpso::character::settings::{DEFAULT_PALETTE_CONFIG, DEFAULT_TECH_MENU, DEFAULT_KEYBOARD_CONFIG1, DEFAULT_KEYBOARD_CONFIG2, DEFAULT_KEYBOARD_CONFIG3, DEFAULT_KEYBOARD_CONFIG4, DEFAULT_GAMEPAD_CONFIG};
+use libpso::packet::ship::{UpdateConfig, WriteInfoboard};
+use libpso::character::settings::{DEFAULT_PALETTE_CONFIG, DEFAULT_TECH_MENU};
 use crate::entity::item::tech::Technique;
 use crate::entity::account::UserAccountId;
 
@@ -157,7 +157,7 @@ pub struct CharacterAppearance {
 }
 
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub struct TechLevel(pub u8);
 
 #[derive(Clone, Debug, Default)]
@@ -167,16 +167,14 @@ pub struct CharacterTechniques {
 
 impl CharacterTechniques {
     pub fn set_tech(&mut self, tech: Technique, level: TechLevel) {
-        self.techs.insert(tech, TechLevel(level.0 - 1));
+        self.techs.insert(tech, TechLevel(level.0));
     }
 
-    // from_bytes
-
     pub fn as_bytes(&self) -> [u8; 20] {
         self.techs.iter()
             .fold([0xFF; 20], |mut techlist, (tech, level)| {
                 let index = tech.as_value();
-                techlist[index as usize] = level.0;
+                techlist[index as usize] = level.0 - 1;
                 techlist
             })
     }
@@ -264,82 +262,6 @@ pub struct CharacterMaterials {
     pub tp: u32,
 }
 
-#[derive(Clone, Debug)]
-pub struct CharacterKeyboardConfig {
-    pub keyboard_config: [u8; 0x16C],
-}
-
-impl Default for CharacterKeyboardConfig {
-    fn default() -> CharacterKeyboardConfig {
-        CharacterKeyboardConfig {
-            keyboard_config: DEFAULT_KEYBOARD_CONFIG1,
-        }
-    }
-}
-
-impl CharacterKeyboardConfig {
-    fn new(preset: usize) -> CharacterKeyboardConfig {
-        match preset {
-            1 => {
-                CharacterKeyboardConfig {
-                    keyboard_config: DEFAULT_KEYBOARD_CONFIG1,
-                }
-            },
-            2 => {
-                CharacterKeyboardConfig {
-                    keyboard_config: DEFAULT_KEYBOARD_CONFIG2,
-                }
-            },
-            3 => {
-                CharacterKeyboardConfig {
-                    keyboard_config: DEFAULT_KEYBOARD_CONFIG3,
-                }
-            },
-            4 => {
-                CharacterKeyboardConfig {
-                    keyboard_config: DEFAULT_KEYBOARD_CONFIG4,
-                }
-            },
-            _ => {
-                CharacterKeyboardConfig {
-                    keyboard_config: DEFAULT_KEYBOARD_CONFIG1,
-                }
-            },
-        }
-    }
-
-    pub fn update(&mut self, new_config: &KeyboardConfig) {
-        self.keyboard_config = new_config.keyboard_config;
-    }
-
-    pub fn as_bytes(&self) -> [u8; 0x16C] {
-        self.keyboard_config
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct CharacterGamepadConfig {
-    pub gamepad_config: [u8; 0x38],
-}
-
-impl Default for CharacterGamepadConfig {
-    fn default() -> CharacterGamepadConfig {
-        CharacterGamepadConfig {
-            gamepad_config: DEFAULT_GAMEPAD_CONFIG,
-        }
-    }
-}
-
-impl CharacterGamepadConfig {
-    pub fn update(&mut self, new_config: &GamepadConfig) {
-        self.gamepad_config = new_config.gamepad_config;
-    }
-
-    pub fn as_bytes(&self) -> [u8; 0x38] {
-        self.gamepad_config
-    }
-}
-
 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize, Default, derive_more::Display)]
 pub struct CharacterEntityId(pub u32);
 
@@ -363,12 +285,10 @@ pub struct NewCharacterEntity {
 
     pub tech_menu: CharacterTechMenu,
     pub option_flags: u32,
-    pub keyboard_config: CharacterKeyboardConfig,
-    pub gamepad_config: CharacterGamepadConfig,
 }
 
 impl NewCharacterEntity {
-    pub fn new(user: UserAccountId, keyboard_config_preset: usize,) -> NewCharacterEntity {
+    pub fn new(user: UserAccountId) -> NewCharacterEntity {
         NewCharacterEntity {
             user_id: user,
             slot: 0,
@@ -384,8 +304,6 @@ impl NewCharacterEntity {
             materials: CharacterMaterials::default(),
             tech_menu: CharacterTechMenu::default(),
             option_flags: 0,
-            keyboard_config: CharacterKeyboardConfig::new(keyboard_config_preset),
-            gamepad_config: CharacterGamepadConfig::default(),
         }
     }
 }
@@ -411,8 +329,6 @@ pub struct CharacterEntity {
 
     pub tech_menu: CharacterTechMenu,
     pub option_flags: u32,
-    pub keyboard_config: CharacterKeyboardConfig,
-    pub gamepad_config: CharacterGamepadConfig,
 
     pub playtime: u32,
 }

src/entity/gateway/entitygateway.rs

@@ -1,4 +1,3 @@
-use std::convert::From;
 use thiserror::Error;
 use futures::Future;
 
@@ -10,9 +9,10 @@ use crate::entity::item::*;
 // TODO: better granularity?
 //#[derive(Error, Debug)]
 #[derive(Error, Debug)]
-#[error("")]
 pub enum GatewayError {
+    #[error("unknown error")]
     Error,
+    #[error("postgres error {0}")]
     PgError(#[from] sqlx::Error)
 }
 
@@ -21,12 +21,11 @@ pub enum GatewayError {
 pub trait EntityGateway: Send + Sync {
     type Transaction: EntityGatewayTransaction + Clone;
 
-    async fn with_transaction<'a, F, Fut, R, E>(&'a mut self, _func: F) -> Result<R, E>
+    async fn with_transaction<'a, F, Fut, R>(&'a mut self, _func: F) -> Result<R, anyhow::Error>
     where
-        Fut: Future<Output = Result<(Self::Transaction, R), E>> + Send + 'a,
+        Fut: Future<Output = Result<(Self::Transaction, R), anyhow::Error>> + Send + 'a,
         F: FnOnce(Self::Transaction) -> Fut + Send,
         R: Send,
-        E: From<GatewayError>,
         Self: Sized
     {
         unimplemented!();

src/entity/gateway/inmemory.rs

@@ -72,6 +72,10 @@ impl EntityGateway for InMemoryGatewayTransaction {
         }
     }
 
+    async fn save_user_settings(&mut self, settings: &UserSettingsEntity) -> Result<(), GatewayError>  {
+        self.original_gateway.save_user_settings(settings).await
+    }
+
     async fn save_character(&mut self, char: &CharacterEntity) -> Result<(), GatewayError>  {
         copy_if_needed(&mut *self.working_gateway.characters.lock().await,
                        &*self.original_gateway.characters.lock().await,
@@ -304,12 +308,11 @@ fn apply_modifiers(items: &BTreeMap<ItemEntityId, ItemEntity>,
 impl EntityGateway for InMemoryGateway {
     type Transaction = InMemoryGatewayTransaction;
 
-    async fn with_transaction<'a, F, Fut, R, E>(&'a mut self, func: F) -> Result<R, E>
+    async fn with_transaction<'a, F, Fut, R>(&'a mut self, func: F) -> Result<R, anyhow::Error>
     where
-        Fut: Future<Output = Result<(Self::Transaction, R), E>> + Send + 'a,
+        Fut: Future<Output = Result<(Self::Transaction, R), anyhow::Error>> + Send + 'a,
         F: FnOnce(Self::Transaction) -> Fut + Send,
         R: Send,
-        E: From<GatewayError>,
     {
         let users = self.users.lock().await.clone();
         let user_settings = self.user_settings.lock().await.clone();
@@ -419,6 +422,12 @@ impl EntityGateway for InMemoryGateway {
             .ok_or(GatewayError::Error)
     }
 
+    async fn save_user_settings(&mut self, settings: &UserSettingsEntity) -> Result<(), GatewayError>  {
+        let mut user_settings = self.user_settings.lock().await;
+        user_settings.insert(settings.id, settings.clone());
+        Ok(())
+    }
+
     async fn get_characters_by_user(&mut self, user: &UserAccountEntity) -> Result<[Option<CharacterEntity>; 4], GatewayError> {
         let characters = self.characters.lock().await;
         const NONE: Option<CharacterEntity> = None;
@@ -453,8 +462,6 @@ impl EntityGateway for InMemoryGateway {
             materials: character.materials,
             tech_menu: character.tech_menu,
             option_flags: character.option_flags,
-            keyboard_config: character.keyboard_config,
-            gamepad_config: character.gamepad_config,
             playtime: 0,
         };
         characters.insert(new_character.id, new_character.clone());

src/entity/gateway/postgres/migrations/V0004__meseta.sql

@@ -1,10 +1,10 @@
 create table character_meseta (
-  pchar integer references character (id) not null unique,
-  meseta integer not null,
+  pchar integer references player_character (id) not null unique,
+  meseta integer not null
 );
 
 create table bank_meseta (
-  pchar integer references character (id) not null,
+  pchar integer references player_character (id) not null,
   bank varchar(128) not null,
   meseta integer not null,
   unique (pchar, bank)
@@ -12,4 +12,5 @@ create table bank_meseta (
 
 
 alter table player_character
-  drop column meseta, bank_meseta;
+  drop column meseta,
+  drop column bank_meseta;

src/entity/gateway/postgres/migrations/V0005__trade.sql

@@ -1,5 +1,5 @@
 create table trades (
   id serial primary key not null,
-  character1 integer references character (id) not null,
-  character2 integer references character (id) not null,
+  character1 integer references player_character (id) not null,
+  character2 integer references player_character (id) not null
 );

src/entity/gateway/postgres/migrations/V0007__player_keyconfig.sql

@@ -0,0 +1,3 @@
+alter table player_character
+  add keyboard_config bytea not null,
+  add gamepad_config bytea not null;

src/entity/gateway/postgres/migrations/V0008__playtime_not_null.sql

@@ -0,0 +1,5 @@
+alter table player_character
+  drop column playtime;
+
+alter table player_character
+  add playtime integer not null;

src/entity/gateway/postgres/migrations/V0009__no_player_keyconfig.sql

@@ -0,0 +1,3 @@
+alter table player_character
+  drop column keyboard_config,
+  drop column gamepad_config;

src/entity/gateway/postgres/migrations/V0010__char_create_timestamp.sql

@@ -0,0 +1,2 @@
+alter table player_character
+  add created_at timestamptz default current_timestamp not null;

src/entity/gateway/postgres/models.rs

@@ -49,8 +49,8 @@ pub struct PgUserSettings {
     id: i32,
     user_account: i32,
     blocked_users: Vec<u8>, //[u32; 0x1E],
-    keyboard_config: Vec<u8>, //[u8; 0x16C],
-    gamepad_config: Vec<u8>, //[u8; 0x38],
+    key_config: Vec<u8>, //[u8; 0x16C],
+    joystick_config: Vec<u8>, //[u8; 0x38],
     option_flags: i32,
     shortcuts: Vec<u8>, //[u8; 0xA40],
     symbol_chats: Vec<u8>, //[u8; 0x4E0],
@@ -64,8 +64,8 @@ impl From<PgUserSettings> for UserSettingsEntity {
             user_id: UserAccountId(other.user_account as u32),
             settings: settings::UserSettings {
                 blocked_users: vec_to_array(other.blocked_users.chunks(4).map(|b| u32::from_le_bytes([b[0], b[1], b[2], b[3]])).collect()),
-                keyboard_config: vec_to_array(other.keyboard_config),
-                gamepad_config: vec_to_array(other.gamepad_config),
+                keyboard_config: vec_to_array(other.key_config),
+                gamepad_config: vec_to_array(other.joystick_config),
                 option_flags: other.option_flags as u32,
                 shortcuts: vec_to_array(other.shortcuts),
                 symbol_chats: vec_to_array(other.symbol_chats),
@@ -217,8 +217,6 @@ pub struct PgCharacter {
     tp: i16,
 
     tech_menu: Vec<u8>,
-    keyboard_config: Vec<u8>,
-    gamepad_config: Vec<u8>,
 
     playtime: i32,
 }
@@ -246,7 +244,7 @@ impl From<PgCharacter> for CharacterEntity {
                 prop_y: other.prop_y,
             },
             techs: CharacterTechniques {
-                techs: other.techs.iter().enumerate().take(19).filter(|(_, t)| **t != 0xFF).map(|(i, t)| (tech::Technique::from_value(i as u8), TechLevel(*t)) ).collect()
+                techs: other.techs.iter().enumerate().take(19).filter(|(_, t)| **t != 0xFF).map(|(i, t)| (tech::Technique::from_value(i as u8), TechLevel(*t + 1)) ).collect()
             },
             config: CharacterConfig {
                 raw_data: vec_to_array(other.config)
@@ -270,12 +268,6 @@ impl From<PgCharacter> for CharacterEntity {
             tech_menu: CharacterTechMenu {
                 tech_menu: vec_to_array(other.tech_menu)
             },
-            keyboard_config: CharacterKeyboardConfig {
-                keyboard_config: vec_to_array(other.keyboard_config)
-            },
-            gamepad_config: CharacterGamepadConfig {
-                gamepad_config: vec_to_array(other.gamepad_config)
-            },
             playtime: other.playtime as u32,
         }
     }

src/entity/gateway/postgres/postgres.rs

@@ -2,7 +2,7 @@
 #![allow(clippy::explicit_auto_deref)]
 
 use std::convert::{From, TryFrom, Into};
-use futures::{Future, TryStreamExt};
+use futures::Future;
 use async_std::stream::StreamExt;
 use async_std::sync::{Arc, Mutex};
 use libpso::character::guildcard;
@@ -67,7 +67,7 @@ impl<'t> PostgresGateway<'t> {
         let pool = async_std::task::block_on(async move {
             PgPoolOptions::new()
                 .max_connections(5)
-                .connect(&format!("postgresql://{}:{}@{}:5432/{}", username, password, host, dbname)).await.unwrap()
+                .connect(&format!("postgresql://{username}:{password}@{host}:5432/{dbname}")).await.unwrap()
         });
 
         PostgresGateway {
@@ -217,17 +217,26 @@ async fn save_user_settings(conn: &mut sqlx::PgConnection, settings: &UserSettin
         .bind(&settings.settings.symbol_chats.to_vec())
         .bind(settings.settings.team_name.iter().copied().flat_map(|i| i.to_le_bytes().to_vec()).collect::<Vec<u8>>())
         .bind(settings.id.0)
-        .fetch_one(conn).await?;
+        .execute(conn).await?;
     Ok(())
 }
 
 async fn create_character(conn: &mut sqlx::PgConnection, char: NewCharacterEntity) -> Result<CharacterEntity, GatewayError>
 {
     let q = r#"insert into player_character
-              (user_account, slot, name, exp, class, section_id, costume, skin, face, head, hair, hair_r, hair_g, hair_b, prop_x, prop_y, techs,
-               config, infoboard, guildcard, power, mind, def, evade, luck, hp, tp, tech_menu, option_flags)
+              (user_account, slot, name, exp, class,
+               section_id, costume, skin, face, head,
+               hair, hair_r, hair_g, hair_b, prop_x,
+               prop_y, techs, config, infoboard, guildcard,
+               power, mind, def, evade, luck, 
+               hp, tp, tech_menu, option_flags, playtime)
               values
-              ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18, $19, $20, $21, $22, $23, $24, $25, $26, $27, $28, $29, $30, $31)
+              ($1, $2, $3, $4, $5, 
+               $6, $7, $8, $9, $10,
+               $11, $12, $13, $14, $15,
+               $16, $17, $18, $19, $20,
+               $21, $22, $23, $24, $25,
+               $26, $27, $28, $29, $30)
               returning *;"#;
     let character = sqlx::query_as::<_, PgCharacter>(q)
         .bind(char.user_id.0)
@@ -259,6 +268,7 @@ async fn create_character(conn: &mut sqlx::PgConnection, char: NewCharacterEntit
         .bind(char.materials.tp as i16)
         .bind(char.tech_menu.tech_menu.to_vec())
         .bind(char.option_flags as i32)
+        .bind(0)
         .fetch_one(conn).await?;
 
     Ok(character.into())
@@ -266,17 +276,17 @@ async fn create_character(conn: &mut sqlx::PgConnection, char: NewCharacterEntit
 
 async fn get_characters_by_user(conn: &mut sqlx::PgConnection, user: &UserAccountEntity) -> Result<[Option<CharacterEntity>; 4], GatewayError>
 {
-    let mut stream = sqlx::query_as::<_, PgCharacter>("select * from player_character where user_account = $1 and slot < 4 order by slot")
+    let stream = sqlx::query_as::<_, PgCharacter>("select * from player_character where user_account = $1 and slot < 4 order by created_at;")
         .bind(user.id.0)
         .fetch(conn);
-    const NONE: Option<CharacterEntity> = None;
-    let mut result = [NONE; 4];
-    while let Some(character) = stream.try_next().await? {
-        let index = character.slot as usize;
-        result[index] = Some(character.into())
-    }
 
-    Ok(result)
+    Ok(stream.fold(core::array::from_fn(|_| None), |mut acc, char| {
+        if let Ok(char) = char {
+            let slot = char.slot as usize;
+            acc[slot] = Some(char.into())
+        }
+        acc
+    }).await)
 }
 
 async fn save_character(conn: &mut sqlx::PgConnection, char: &CharacterEntity) -> Result<(), GatewayError>
@@ -316,7 +326,7 @@ async fn save_character(conn: &mut sqlx::PgConnection, char: &CharacterEntity) -
         .bind(char.materials.tp as i16) // $27
         .bind(char.tech_menu.tech_menu.to_vec()) // $28
         .bind(char.option_flags as i32) // $29
-        .bind(char.playtime as i32) // $20
+        .bind(char.playtime as i32) // $30
         .bind(char.id.0 as i32) // $31
         .execute(conn).await?;
     Ok(())
@@ -530,7 +540,7 @@ async fn set_character_equips(conn: &mut sqlx::PgConnection, char_id: &Character
 
 async fn set_character_meseta(conn: &mut sqlx::PgConnection, char_id: &CharacterEntityId, meseta: Meseta) -> Result<(), GatewayError>
 {
-    sqlx::query("insert into character_meseta values ($1, $2) on conflict (pchar) do update set items = $2")
+    sqlx::query("insert into character_meseta values ($1, $2) on conflict (pchar) do update set meseta = $2")
         .bind(char_id.0)
         .bind(meseta.0 as i32)
         .execute(conn)
@@ -542,7 +552,7 @@ async fn get_character_meseta(conn: &mut sqlx::PgConnection, char_id: &Character
 {
     #[derive(sqlx::FromRow)]
     struct PgMeseta(i32);
-    let meseta = sqlx::query_as::<_, PgMeseta>(r#"select meseta from character_meseta where id = $1"#)
+    let meseta = sqlx::query_as::<_, PgMeseta>(r#"select meseta from character_meseta where pchar = $1"#)
         .bind(char_id.0)
         .fetch_one(conn)
         .await?;
@@ -551,10 +561,10 @@ async fn get_character_meseta(conn: &mut sqlx::PgConnection, char_id: &Character
 
 async fn set_bank_meseta(conn: &mut sqlx::PgConnection, char_id: &CharacterEntityId, bank: &BankName, meseta: Meseta) -> Result<(), GatewayError>
 {
-    sqlx::query("insert into bank_meseta values ($1, $2, $3) on conflict (pchar, bank) do update set items = $2")
+    sqlx::query("insert into bank_meseta values ($1, $2, $3) on conflict (pchar, bank) do update set meseta = $3")
         .bind(char_id.0)
-        .bind(meseta.0 as i32)
         .bind(bank.0.clone())
+        .bind(meseta.0 as i32)
         .execute(conn)
         .await?;
     Ok(())
@@ -564,7 +574,7 @@ async fn get_bank_meseta(conn: &mut sqlx::PgConnection, char_id: &CharacterEntit
 {
     #[derive(sqlx::FromRow)]
     struct PgMeseta(i32);
-    let meseta = sqlx::query_as::<_, PgMeseta>(r#"select meseta from character_meseta where id = $1 and bank = $2"#)
+    let meseta = sqlx::query_as::<_, PgMeseta>(r#"select meseta from bank_meseta where pchar = $1 and bank = $2"#)
         .bind(char_id.0)
         .bind(bank.0.clone())
         .fetch_one(conn)
@@ -584,10 +594,10 @@ async fn create_trade(conn: &mut sqlx::PgConnection, char_id1: &CharacterEntityI
 
 async fn set_character_playtime(conn: &mut sqlx::PgConnection, char_id: &CharacterEntityId, playtime: u32) -> Result<(), GatewayError>
 {
-    sqlx::query_as::<_, PgTradeEntity>(r#"update player_character set playtime=$2 where id=$1;"#)
+    sqlx::query(r#"update player_character set playtime=$2 where id=$1;"#)
         .bind(char_id.0)
         .bind(playtime)
-        .fetch_one(conn)
+        .execute(conn)
         .await?;
     Ok(())
 }
@@ -596,18 +606,17 @@ async fn set_character_playtime(conn: &mut sqlx::PgConnection, char_id: &Charact
 impl<'t> EntityGateway for PostgresGateway<'t> {
     type Transaction = PostgresTransaction<'t>;
 
-    async fn with_transaction<'a, F, Fut, R, E>(&'a mut self, func: F) -> Result<R, E>
+    async fn with_transaction<'a, F, Fut, R>(&'a mut self, func: F) -> Result<R, anyhow::Error>
     where
-        Fut: Future<Output = Result<(Self::Transaction, R), E>> + Send + 'a,
+        Fut: Future<Output = Result<(Self::Transaction, R), anyhow::Error>> + Send + 'a,
         F: FnOnce(Self::Transaction) -> Fut + Send,
         R: Send,
-        E: From<GatewayError>,
     {
         let transaction = PostgresTransaction {
-            pgtransaction: Arc::new(Mutex::new(self.pool.begin().await.map_err(|_| ()).unwrap()))
+            pgtransaction: Arc::new(Mutex::new(self.pool.begin().await?))
         };
-        let (transaction, result) = func(transaction).await.map_err(|_| ()).unwrap();
-        transaction.commit().await.map_err(|_| ()).unwrap();
+        let (transaction, result) = func(transaction).await?;
+        transaction.commit().await?;
         Ok(result)
     }
 

src/lib.rs

@@ -1,10 +1,12 @@
+#![allow(clippy::type_complexity)]
 #![allow(incomplete_features)]
 #![feature(inline_const)]
 #![feature(drain_filter)]
 #![feature(try_blocks)]
 #![feature(once_cell)]
-#![feature(pin_macro)]
 #![feature(test)]
+#![feature(error_generic_member_access)]
+#![feature(provide_any)]
 
 extern crate test;
 

src/login/character.rs

@@ -38,13 +38,18 @@ pub const CHARACTER_PORT: u16 = 12001;
 pub const SHIP_MENU_ID: u32 = 1;
 
 #[derive(thiserror::Error, Debug)]
-#[error("")]
 pub enum CharacterError {
+    #[error("invalid menu selection {0} {1}")]
     InvalidMenuSelection(u32, u32),
+    #[error("client not found {0}")]
     ClientNotFound(ClientId),
-    CouldNotLoadSettings,
+    #[error("could not load settings {0}")]
+    CouldNotLoadSettings(GatewayError),
+    #[error("could not load characters")]
     CouldNotLoadCharacters,
+    #[error("could not load guildcard")]
     CouldNotLoadGuildcard,
+    #[error("gateway error {0}")]
     GatewayError(#[from] GatewayError),
 }
 
@@ -206,6 +211,7 @@ async fn new_character<EG: EntityGateway + Clone>(entity_gateway: &mut EG, user:
 
     let character = entity_gateway.create_character(character).await?;
     entity_gateway.set_character_meseta(&character.id, Meseta(300)).await?;
+    entity_gateway.set_bank_meseta(&character.id, &BankName("".into()), Meseta(0)).await?;
 
     let new_weapon = match character.char_class {
         CharacterClass::HUmar | CharacterClass::HUnewearl | CharacterClass::HUcast | CharacterClass::HUcaseal => item::weapon::WeaponType::Saber,
@@ -260,6 +266,8 @@ async fn new_character<EG: EntityGateway + Clone>(entity_gateway: &mut EG, user:
         character_id: character.id,
     }).await?;
 
+    entity_gateway.change_mag_owner(&mag.id, &character).await?;
+
     let mut monomates = Vec::new();
     for _ in 0..4usize {
         let monomate = entity_gateway.create_item(
@@ -385,7 +393,7 @@ impl<EG: EntityGateway + Clone> CharacterServerState<EG> {
             Ok(settings) => settings,
             Err(_) => {
                 let user_settings = NewUserSettingsEntity::new(user.id);
-                self.entity_gateway.create_user_settings(user_settings).await.map_err(|_| CharacterError::CouldNotLoadSettings)?
+                self.entity_gateway.create_user_settings(user_settings).await.map_err(CharacterError::CouldNotLoadSettings)?
             }
         };
 
@@ -741,7 +749,7 @@ impl<EG: EntityGateway + Clone> InterserverActor for CharacterServerState<EG> {
 
 
 fn new_character_from_preview(user: &UserAccountEntity, preview: &CharacterPreview) -> NewCharacterEntity {
-    let mut character = NewCharacterEntity::new(user.id, 1); // it should not be possible for the client to specify the kbm config preset from the char create screen
+    let mut character = NewCharacterEntity::new(user.id);
     character.slot = preview.slot;
     character.name = String::from_utf16_lossy(&preview.character.name).trim_matches(char::from(0)).into();
     character.section_id = preview.character.section_id.into();

src/login/login.rs

@@ -21,8 +21,8 @@ pub const LOGIN_PORT: u16 = 12000;
 pub const COMMUNICATION_PORT: u16 = 12123;
 
 #[derive(thiserror::Error, Debug)]
-#[error("")]
 pub enum LoginError {
+    #[error("dberror")]
     DbError
 }
 

src/patch/patch.rs

@@ -395,18 +395,18 @@ pub struct PatchConfig {
 
 pub fn load_config() -> PatchConfig {
     let ini_file = match fs::File::open(std::path::Path::new("patch.ron")) {
-        Err(err) => panic!("Failed to open patch.ron config file. \n{}", err),
+        Err(err) => panic!("Failed to open patch.ron config file. \n{err}"),
         Ok(ini_file) => ini_file,
     };
 
     let mut s = String::new();
     if let Err(err) = (&ini_file).read_to_string(&mut s) {
-        panic!("Failed to read patch.ron config file. \n{}", err);
+        panic!("Failed to read patch.ron config file. \n{err}");
     }
 
     let config: PatchConfig = match from_str(s.as_str()) {
         Ok(config) => config,
-        Err(err) => panic!("Failed to load values from patch.ron \n{}",err),
+        Err(err) => panic!("Failed to load values from patch.ron \n{err}"),
     };
     config
 }

src/ship/client.rs

@@ -36,7 +36,7 @@ impl Clients {
             .into_inner())
     }
 
-    pub async fn with<'a, T, F>(&'a self, client_id: ClientId, func: F) -> Result<T, ShipError>
+    pub async fn with<'a, T, F>(&'a self, client_id: ClientId, func: F) -> Result<T, anyhow::Error>
     where
         T: Send,
         F: for<'b> FnOnce(&'b ClientState) -> BoxFuture<'b, T> + Send + 'a,
@@ -53,7 +53,7 @@ impl Clients {
         Ok(func(&client).await)
     }
 
-    pub async fn with_many<'a, T, F, const N: usize>(&'a self, client_ids: [ClientId; N], func: F) -> Result<T, ShipError>
+    pub async fn with_many<'a, T, F, const N: usize>(&'a self, client_ids: [ClientId; N], func: F) -> Result<T, anyhow::Error>
     where
         T: Send,
         F: for<'b> FnOnce([RwLockReadGuard<'b, ClientState>; N]) -> BoxFuture<'b, T> + Send + 'a,
@@ -85,7 +85,7 @@ impl Clients {
         Ok(func(client_states).await)
     }
 
-    pub async fn with_mut<'a, T, F>(&'a self, client_id: ClientId, func: F) -> Result<T, ShipError>
+    pub async fn with_mut<'a, T, F>(&'a self, client_id: ClientId, func: F) -> Result<T, anyhow::Error>
     where
         T: Send,
         F: for<'b> FnOnce(&'b mut ClientState) -> BoxFuture<'b, T> + Send + 'a,

src/ship/drops/mod.rs

@@ -6,7 +6,7 @@
 
 
 mod drop_table;
-mod rare_drop_table;
+pub mod rare_drop_table;
 mod generic_weapon;
 mod generic_armor;
 mod generic_shield;
@@ -112,7 +112,7 @@ pub struct ItemDrop {
 }
 
 
-pub struct DropTable<R: Rng + SeedableRng> {
+pub struct DropTable {
     monster_stats: HashMap<MonsterType, MonsterDropStats>,
     rare_table: RareDropTable,
     weapon_table: GenericWeaponTable,
@@ -121,11 +121,11 @@ pub struct DropTable<R: Rng + SeedableRng> {
     unit_table: GenericUnitTable,
     tool_table: ToolTable,
     box_table: BoxDropTable,
-    rng: R,
+    rng: rand_chacha::ChaCha20Rng,
 }
 
-impl<R: Rng + SeedableRng> DropTable<R> {
-    pub fn new(episode: Episode, difficulty: Difficulty, section_id: SectionID) -> DropTable<R> {
+impl DropTable {
+    pub fn new(episode: Episode, difficulty: Difficulty, section_id: SectionID) -> DropTable {
         let monster_stats: HashMap<String, MonsterDropStats> = load_data_file(episode, difficulty, section_id, "monster_dar.toml");
         
         DropTable {
@@ -137,7 +137,21 @@ impl<R: Rng + SeedableRng> DropTable<R> {
             unit_table: GenericUnitTable::new(episode, difficulty, section_id),
             tool_table: ToolTable::new(episode, difficulty, section_id),
             box_table: BoxDropTable::new(episode, difficulty, section_id),
-            rng: R::from_entropy(),
+            rng: rand_chacha::ChaCha20Rng::from_entropy(),
+        }
+    }
+
+    pub fn builder() -> DropTableBuilder {
+        DropTableBuilder {
+            monster_stats: None,
+            rare_table: None,
+            weapon_table: None,
+            armor_table: None,
+            shield_table: None,
+            unit_table: None,
+            tool_table: None,
+            box_table: None,
+            rng: None,
         }
     }
 
@@ -189,6 +203,66 @@ impl<R: Rng + SeedableRng> DropTable<R> {
 }
 
 
+pub struct DropTableBuilder {
+    monster_stats: Option<HashMap<MonsterType, MonsterDropStats>>,
+    rare_table: Option<RareDropTable>,
+    weapon_table: Option<GenericWeaponTable>,
+    armor_table: Option<GenericArmorTable>,
+    shield_table: Option<GenericShieldTable>,
+    unit_table: Option<GenericUnitTable>,
+    tool_table: Option<ToolTable>,
+    box_table: Option<BoxDropTable>,
+    rng: Option<rand_chacha::ChaCha20Rng>,
+}
+
+// TODO: add the rest of these later I just need these ones right now
+impl DropTableBuilder {
+    #[must_use]
+    pub fn monster_stats(mut self, monster_stats: HashMap<MonsterType, MonsterDropStats>) -> DropTableBuilder {
+        self.monster_stats = Some(monster_stats);
+        self
+    }
+
+    #[must_use]
+    pub fn monster_stat(mut self, monster_type: MonsterType, drop_stats: MonsterDropStats) -> DropTableBuilder {
+        match &mut self.monster_stats {
+            Some(monster_stats) => {
+                monster_stats.insert(monster_type, drop_stats);
+            },
+            None => {
+                let mut monster_stats = HashMap::default();
+                monster_stats.insert(monster_type, drop_stats);
+                self.monster_stats = Some(monster_stats);
+            }
+        }
+        self
+    }
+
+    #[must_use]
+    pub fn rare_table(mut self, rare_table: RareDropTable) -> DropTableBuilder {
+        self.rare_table = Some(rare_table);
+        self
+    }
+
+    pub fn build(self, episode: Episode, difficulty: Difficulty, section_id: SectionID) -> DropTable {
+        DropTable {
+            monster_stats: self.monster_stats.unwrap_or_else(|| {
+                let monster_stats: HashMap<String, MonsterDropStats> = load_data_file(episode, difficulty, section_id, "monster_dar.toml");
+                monster_stats.into_iter().map(|(m, s)| (m.parse().unwrap(), s)).collect()
+            }),
+            rare_table: self.rare_table.unwrap_or_else(|| RareDropTable::new(episode, difficulty, section_id)),
+            weapon_table: self.weapon_table.unwrap_or_else(|| GenericWeaponTable::new(episode, difficulty, section_id)),
+            armor_table: self.armor_table.unwrap_or_else(|| GenericArmorTable::new(episode, difficulty, section_id)),
+            shield_table: self.shield_table.unwrap_or_else(|| GenericShieldTable::new(episode, difficulty, section_id)),
+            unit_table: self.unit_table.unwrap_or_else(|| GenericUnitTable::new(episode, difficulty, section_id)),
+            tool_table: self.tool_table.unwrap_or_else(|| ToolTable::new(episode, difficulty, section_id)),
+            box_table: self.box_table.unwrap_or_else(|| BoxDropTable::new(episode, difficulty, section_id)),
+            rng: self.rng.unwrap_or_else(rand_chacha::ChaCha20Rng::from_entropy),
+        }
+    }
+}
+
+
 #[cfg(test)]
 mod test {
     use super::*;
@@ -203,6 +277,6 @@ mod test {
         let section_id = vec![SectionID::Viridia, SectionID::Greenill, SectionID::Skyly, SectionID::Bluefull, SectionID::Purplenum,
                               SectionID::Pinkal, SectionID::Redria, SectionID::Oran, SectionID::Yellowboze, SectionID::Whitill]
             .into_iter().choose(&mut rng).unwrap();
-        DropTable::<rand_chacha::ChaCha20Rng>::new(episode, difficulty, section_id);
+        DropTable::new(episode, difficulty, section_id);
     }
 }

src/ship/drops/rare_drop_table.rs

@@ -50,9 +50,9 @@ impl RareDropItem {
 }
 
 
-struct RareDropRate {
-    rate: f32,
-    item: RareDropItem
+pub struct RareDropRate {
+    pub rate: f32,
+    pub item: RareDropItem
 }
 
 
@@ -71,11 +71,10 @@ pub struct RareDropTable {
     shield_stats: GenericShieldTable,
 }
 
-impl RareDropTable {
-    pub fn new(episode: Episode, difficulty: Difficulty, section_id: SectionID) -> RareDropTable {
+fn load_default_monster_rates(episode: Episode, difficulty: Difficulty, section_id: SectionID) -> HashMap<MonsterType, Vec<RareDropRate>> {
     let cfg: HashMap<String, Vec<RareDropConfigEntity>> = load_data_file(episode, difficulty, section_id, "rare_rate.toml");
 
-        let rates = cfg.into_iter()
+    cfg.into_iter()
         .map(|(monster, drops)| {
             let monster = monster.parse().unwrap();
             let drops = drops.into_iter().map(|drop| {
@@ -85,16 +84,28 @@ impl RareDropTable {
                 }
             }).collect();
             (monster, drops)
-            }).collect();
+        }).collect()
+}
 
+impl RareDropTable {
+    pub fn new(episode: Episode, difficulty: Difficulty, section_id: SectionID) -> RareDropTable {
         RareDropTable {
-            rates,
+            rates: load_default_monster_rates(episode, difficulty, section_id),
             attribute_table: AttributeTable::new(episode, difficulty, section_id),
             armor_stats: GenericArmorTable::new(episode, difficulty, section_id),
             shield_stats: GenericShieldTable::new(episode, difficulty, section_id),
         }
     }
 
+    pub fn builder() -> RareDropTableBuilder {
+        RareDropTableBuilder {
+            rates: None,
+            attribute_table: None,
+            armor_stats: None,
+            shield_stats: None,
+        }
+    }
+
     pub fn apply_item_stats<R: Rng>(&self, map_area: &MapArea, item: RareDropItem, rng: &mut R) -> ItemDropType {
         match item {
             RareDropItem::Weapon(weapon) => {
@@ -155,3 +166,46 @@ impl RareDropTable {
             })
     }
 }
+
+
+pub struct RareDropTableBuilder {
+    rates: Option<HashMap<MonsterType, Vec<RareDropRate>>>,
+    attribute_table: Option<AttributeTable>,
+    armor_stats: Option<GenericArmorTable>,
+    shield_stats: Option<GenericShieldTable>,
+}
+
+
+// TODO: add the rest of these later I just need these ones right now
+impl RareDropTableBuilder {
+    pub fn rates(mut self, rates: HashMap<MonsterType, Vec<RareDropRate>>) -> RareDropTableBuilder {
+        self.rates = Some(rates);
+        self
+    }
+
+    #[must_use]
+    pub fn rate(mut self, monster_type: MonsterType, drop_rate: RareDropRate) -> RareDropTableBuilder {
+        match &mut self.rates {
+            Some(rates) => {
+                rates.entry(monster_type)
+                    .or_insert(Vec::new())
+                    .push(drop_rate);
+            },
+            None => {
+                let mut rates = HashMap::default();
+                rates.insert(monster_type, vec![drop_rate]);
+                self.rates = Some(rates);
+            }
+        }
+        self
+    }
+
+    pub fn build(self, episode: Episode, difficulty: Difficulty, section_id: SectionID) -> RareDropTable {
+        RareDropTable {
+            rates: self.rates.unwrap_or_else(|| load_default_monster_rates(episode, difficulty, section_id)),
+            attribute_table: self.attribute_table.unwrap_or_else(|| AttributeTable::new(episode, difficulty, section_id)),
+            armor_stats: self.armor_stats.unwrap_or_else(|| GenericArmorTable::new(episode, difficulty, section_id)),
+            shield_stats: self.shield_stats.unwrap_or_else(|| GenericShieldTable::new(episode, difficulty, section_id)),
+        }
+    }
+}

src/ship/items/actions.rs

@@ -35,7 +35,7 @@ pub(super) fn take_item_from_floor<EG, TR>(
     character_id: CharacterEntityId,
     item_id: ClientItemId
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), FloorItem), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), FloorItem), anyhow::Error>>
 where
     EG: EntityGateway + Send,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -54,7 +54,7 @@ where
 pub(super) fn add_floor_item_to_inventory<EG, TR>(
     character: &CharacterEntity
 ) -> impl Fn((ItemStateProxy, TR), FloorItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), TriggerCreateItem), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), TriggerCreateItem), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + Clone + 'static,
@@ -103,7 +103,7 @@ pub(super) fn take_item_from_inventory<EG, TR>(
     item_id: ClientItemId,
     amount: u32,
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -111,7 +111,7 @@ where
     move |(mut item_state, mut transaction), _| {
         Box::pin(async move {
             let mut inventory = item_state.inventory(&character_id).await?;
-            let item = inventory.take_item(&item_id, amount).ok_or_else(|| ItemStateError::NoFloorItem(item_id))?;
+            let item = inventory.take_item(&item_id, amount).ok_or_else(|| ItemStateError::NoInventoryItem(item_id))?;
 
             transaction.gateway().set_character_inventory(&character_id, &inventory.as_inventory_entity(&character_id)).await?;
             item_state.set_inventory(inventory).await;
@@ -127,7 +127,7 @@ pub(super) fn add_inventory_item_to_shared_floor<EG, TR>(
     map_area: MapArea,
     drop_position: (f32, f32, f32),
 ) -> impl Fn((ItemStateProxy, TR), InventoryItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), FloorItem), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), FloorItem), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -160,7 +160,7 @@ pub(super) fn take_meseta_from_inventory<EG, TR>(
     character_id: CharacterEntityId,
     amount: u32,
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), ()), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), ()), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -181,7 +181,7 @@ pub(super) fn add_meseta_to_inventory<EG, TR>(
     character_id: CharacterEntityId,
     amount: u32
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), ()), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), ()), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -204,7 +204,7 @@ pub(super) fn add_meseta_to_shared_floor<EG, TR>(
     map_area: MapArea,
     drop_position: (f32, f32)
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), FloorItem), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), FloorItem), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -233,7 +233,7 @@ pub(super) fn take_meseta_from_bank<EG, TR>(
     character_id: CharacterEntityId,
     amount: u32,
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), ()), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), ()), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -243,6 +243,7 @@ where
             let mut bank = item_state.bank(&character_id).await?;
             bank.remove_meseta(amount)?;
             transaction.gateway().set_bank_meseta(&character_id, &bank.name, bank.meseta).await?;
+            item_state.set_bank(bank).await;
 
             Ok(((item_state, transaction), ()))
         })
@@ -253,7 +254,7 @@ pub(super) fn add_meseta_from_bank_to_inventory<EG, TR>(
     character_id: CharacterEntityId,
     amount: u32,
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), ()), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), ()), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -274,7 +275,7 @@ pub(super) fn add_meseta_to_bank<EG, TR>(
     character_id: CharacterEntityId,
     amount: u32,
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), ()), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), ()), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -284,6 +285,7 @@ where
             let mut bank = item_state.bank(&character_id).await?;
             bank.add_meseta(amount)?;
             transaction.gateway().set_bank_meseta(&character_id, &bank.name, bank.meseta).await?;
+            item_state.set_bank(bank).await;
 
             Ok(((item_state, transaction), ()))
         })
@@ -296,7 +298,7 @@ pub(super) fn take_item_from_bank<EG, TR>(
     item_id: ClientItemId,
     amount: u32,
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), BankItem), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), BankItem), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -316,7 +318,7 @@ where
 pub(super) fn add_bank_item_to_inventory<EG, TR>(
     character: &CharacterEntity,
 ) -> impl Fn((ItemStateProxy, TR), BankItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -367,7 +369,7 @@ where
 pub(super) fn add_inventory_item_to_bank<EG, TR>(
     character_id: CharacterEntityId,
 ) -> impl Fn((ItemStateProxy, TR), InventoryItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), ()), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), ()), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -403,7 +405,7 @@ pub(super) fn equip_inventory_item<EG, TR>(
     item_id: ClientItemId,
     equip_slot: u8,
 ) -> impl Fn((ItemStateProxy, TR), ())
-                     -> BoxFuture<Result<((ItemStateProxy, TR), ()), ItemStateError>>
+                     -> BoxFuture<Result<((ItemStateProxy, TR), ()), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -425,7 +427,7 @@ pub(super) fn unequip_inventory_item<EG, TR>(
     character_id: CharacterEntityId,
     item_id: ClientItemId,
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), ()), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), ()), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -448,7 +450,7 @@ pub(super) fn sort_inventory_items<EG, TR>(
     character_id: CharacterEntityId,
     item_ids: Vec<ClientItemId>,
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), ()), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), ()), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -470,7 +472,7 @@ where
 pub(super) fn use_consumed_item<EG, TR>(
     character: &CharacterEntity,
 ) -> impl Fn((ItemStateProxy, TR), InventoryItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), Vec<ApplyItemAction>), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), Vec<ApplyItemAction>), anyhow::Error>>
 where
     EG: EntityGateway + Clone + 'static,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -497,7 +499,7 @@ pub(super) fn feed_mag_item<EG, TR>(
     character: CharacterEntity,
     mag_item_id: ClientItemId,
 ) -> impl Fn((ItemStateProxy, TR), InventoryItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), CharacterEntity), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), CharacterEntity), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -551,7 +553,7 @@ pub(super) fn add_bought_item_to_inventory<'a, EG, TR>(
     item_id: ClientItemId,
     amount: u32,
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> Pin<Box<dyn Future<Output=Result<((ItemStateProxy, TR), InventoryItem), ItemStateError>> + Send + 'a>>
+             -> Pin<Box<dyn Future<Output=Result<((ItemStateProxy, TR), InventoryItem), anyhow::Error>> + Send + 'a>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -613,7 +615,7 @@ where
 pub(super) fn sell_inventory_item<EG, TR>(
     character_id: CharacterEntityId,
 ) -> impl Fn((ItemStateProxy, TR), InventoryItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -643,7 +645,7 @@ async fn iterate_inner<'a, EG, TR, I, O, T, F, FR>(
     mut input: Vec<I>,
     func: F,
     arg: T,
-) -> Result<((ItemStateProxy, TR), Vec<O>), ItemStateError>
+) -> Result<((ItemStateProxy, TR), Vec<O>), anyhow::Error>
 where
     'a: 'async_recursion,
     EG: EntityGateway,
@@ -653,7 +655,7 @@ where
     T: Clone + Send + Sync,
     F: Fn(I) -> FR + Send + Sync + Clone + 'static,
     FR: Fn((ItemStateProxy, TR), T)
-           -> BoxFuture<Result<((ItemStateProxy, TR), O), ItemStateError>> + Send + Sync,
+           -> BoxFuture<Result<((ItemStateProxy, TR), O), anyhow::Error>> + Send + Sync,
 {
     let item = match input.pop() {
         Some(item) => item,
@@ -673,7 +675,7 @@ pub(super) fn iterate<EG, TR, I, O, T, F, FR>(
     input: Vec<I>,
     func: F,
 ) -> impl Fn((ItemStateProxy, TR), T)
-                     -> BoxFuture<Result<((ItemStateProxy, TR), Vec<O>), ItemStateError>>
+                     -> BoxFuture<Result<((ItemStateProxy, TR), Vec<O>), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -682,7 +684,7 @@ where
     T: Send + Clone +  'static + std::fmt::Debug,
     F: Fn(I) -> FR + Send + Sync + Clone + 'static,
     FR: Fn((ItemStateProxy, TR), T)
-           -> BoxFuture<Result<((ItemStateProxy, TR), O), ItemStateError>> + Send + Sync,
+           -> BoxFuture<Result<((ItemStateProxy, TR), O), anyhow::Error>> + Send + Sync,
     T: Clone + Send + Sync,
 {
     move |(item_state, transaction), arg| {
@@ -701,7 +703,7 @@ async fn foreach_inner<'a, EG, TR, O, T, F, I>(
     state: (ItemStateProxy, TR),
     mut input: I,
     func: Arc<F>,
-) -> Result<((ItemStateProxy, TR), Vec<O>), ItemStateError>
+) -> Result<((ItemStateProxy, TR), Vec<O>), anyhow::Error>
 where
     'a: 'async_recursion,
     EG: EntityGateway,
@@ -709,7 +711,7 @@ where
     O: Send,
     T: Send,
     F: Fn((ItemStateProxy, TR), T)
-                   -> BoxFuture<Result<((ItemStateProxy, TR), O), ItemStateError>> + Send + Sync,
+                   -> BoxFuture<Result<((ItemStateProxy, TR), O), anyhow::Error>> + Send + Sync,
     I: Iterator<Item = T> + Send + Sync + 'static,
 {
     let item = match input.next() {
@@ -728,14 +730,14 @@ where
 pub(super) fn foreach<EG, TR, O, T, F, I>(
     func: F
 ) -> impl Fn((ItemStateProxy, TR), I)
-                     -> BoxFuture<Result<((ItemStateProxy, TR), Vec<O>), ItemStateError>>
+                     -> BoxFuture<Result<((ItemStateProxy, TR), Vec<O>), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
     O: Send,
     T: Send + Clone +  'static + std::fmt::Debug,
     F: Fn((ItemStateProxy, TR), T)
-          -> BoxFuture<Result<((ItemStateProxy, TR), O), ItemStateError>> + Send + Sync + 'static,
+          -> BoxFuture<Result<((ItemStateProxy, TR), O), anyhow::Error>> + Send + Sync + 'static,
     T: Send + Sync,
     I: IntoIterator<Item = T> + Send + Sync + 'static,
     I::IntoIter: Send + Sync,
@@ -754,7 +756,7 @@ where
 pub(super) fn insert<'a, EG, TR, T>(
     element: T
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> Pin<Box<dyn Future<Output=Result<((ItemStateProxy, TR), T), ItemStateError>> + Send + 'a>>
+             -> Pin<Box<dyn Future<Output=Result<((ItemStateProxy, TR), T), anyhow::Error>> + Send + 'a>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -772,12 +774,12 @@ pub(super) fn fork<EG, TR, F1, F2, T, O1, O2>(
     func1: F1,
     func2: F2,
 ) -> impl Fn((ItemStateProxy, TR), T)
-             -> BoxFuture<Result<((ItemStateProxy, TR), (O1, O2)), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), (O1, O2)), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
-    F1: Fn((ItemStateProxy, TR), T) -> BoxFuture<Result<((ItemStateProxy, TR), O1), ItemStateError>> + Send + Sync + 'static,
-    F2: Fn((ItemStateProxy, TR), T) -> BoxFuture<Result<((ItemStateProxy, TR), O2), ItemStateError>> + Send + Sync + 'static,
+    F1: Fn((ItemStateProxy, TR), T) -> BoxFuture<Result<((ItemStateProxy, TR), O1), anyhow::Error>> + Send + Sync + 'static,
+    F2: Fn((ItemStateProxy, TR), T) -> BoxFuture<Result<((ItemStateProxy, TR), O2), anyhow::Error>> + Send + Sync + 'static,
     T: Send + Sync + Clone + 'static,
     O1: Send,
     O2: Send,
@@ -799,7 +801,7 @@ where
 pub(super) fn add_item_to_inventory<EG, TR>(
     character: CharacterEntity,
 ) -> impl Fn((ItemStateProxy, TR), InventoryItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), ItemStateError>> + Clone
+             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), anyhow::Error>> + Clone
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -829,7 +831,7 @@ pub(super) fn record_trade<EG, TR>(
     character_to: CharacterEntityId,
     character_from: CharacterEntityId,
 ) -> impl Fn((ItemStateProxy, TR), Vec<InventoryItem>)
-             -> BoxFuture<Result<((ItemStateProxy, TR), Vec<InventoryItem>), ItemStateError>> + Clone
+             -> BoxFuture<Result<((ItemStateProxy, TR), Vec<InventoryItem>), anyhow::Error>> + Clone
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -855,7 +857,7 @@ where
 
 pub(super) fn assign_new_item_id<EG, TR>(
 ) -> impl Fn((ItemStateProxy, TR), InventoryItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), ItemStateError>> + Clone
+             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), anyhow::Error>> + Clone
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -873,7 +875,7 @@ pub(super) fn convert_item_drop_to_floor_item<EG, TR>(
     character_id: CharacterEntityId,
     item_drop: ItemDrop,
 ) -> impl Fn((ItemStateProxy, TR), ())
-             -> BoxFuture<Result<((ItemStateProxy, TR), FloorItem), ItemStateError>> + Clone
+             -> BoxFuture<Result<((ItemStateProxy, TR), FloorItem), anyhow::Error>> + Clone
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -974,7 +976,7 @@ where
 pub(super) fn add_item_to_local_floor<EG, TR>(
     character_id: CharacterEntityId,
 ) -> impl Fn((ItemStateProxy, TR), FloorItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), FloorItem), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), FloorItem), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -993,7 +995,7 @@ where
 pub(super) fn apply_modifier_to_inventory_item<EG, TR>(
     modifier: ItemModifier,
 ) -> impl Fn((ItemStateProxy, TR), InventoryItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), InventoryItem), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -1006,7 +1008,7 @@ where
                     weapon.apply_modifier(&modifier);
                     transaction.gateway().add_weapon_modifier(entity_id, modifier).await?;
                 },
-                _ => return Err(ItemStateError::InvalidModifier)
+                _ => return Err(ItemStateError::InvalidModifier.into())
             }
 
             Ok(((item_state, transaction), inventory_item))
@@ -1016,7 +1018,7 @@ where
 
 pub(super) fn as_individual_item<EG, TR>(
 ) -> impl Fn((ItemStateProxy, TR), InventoryItem)
-             -> BoxFuture<Result<((ItemStateProxy, TR), IndividualItemDetail), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), IndividualItemDetail), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -1025,7 +1027,7 @@ where
         Box::pin(async move {
             let item = match inventory_item.item {
                 InventoryItemDetail::Individual(individual_item) => individual_item,
-                _ => return Err(ItemStateError::WrongItemType(inventory_item.item_id))
+                _ => return Err(ItemStateError::WrongItemType(inventory_item.item_id).into())
             };
 
             Ok(((item_state, transaction), item))
@@ -1038,7 +1040,7 @@ pub(super) fn apply_item_action_packets<EG, TR>(
     character_id: CharacterEntityId,
     area_client: AreaClient,
 ) -> impl Fn((ItemStateProxy, TR), ApplyItemAction)
-             -> BoxFuture<Result<((ItemStateProxy, TR), Vec<SendShipPacket>), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), Vec<SendShipPacket>), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,
@@ -1095,7 +1097,7 @@ where
 pub(super) fn apply_item_action_character<EG, TR>(
     character: &CharacterEntity
 ) -> impl Fn((ItemStateProxy, TR), Vec<ApplyItemAction>)
-             -> BoxFuture<Result<((ItemStateProxy, TR), CharacterEntity), ItemStateError>>
+             -> BoxFuture<Result<((ItemStateProxy, TR), CharacterEntity), anyhow::Error>>
 where
     EG: EntityGateway,
     TR: EntityGatewayTransaction<ParentGateway = EG> + 'static,

src/ship/items/apply_item.rs

@@ -1,14 +1,16 @@
 use std::convert::TryInto;
 use futures::future::join_all;
 use thiserror::Error;
+use anyhow::Context;
 use rand::SeedableRng;
 use rand::distributions::{WeightedIndex, Distribution};
 use crate::entity::gateway::{EntityGateway, GatewayError};
-use crate::entity::character::CharacterEntity;
+use crate::entity::character::{CharacterEntity, TechLevel};
 use crate::entity::item::mag::{MagCell, MagCellError};
 use crate::entity::item::tool::{Tool, ToolType};
+use crate::entity::item::tech::TechniqueDisk;
 use crate::entity::item::{ItemDetail, ItemEntityId};
-use crate::ship::items::state::{ItemStateProxy, ItemStateError};
+use crate::ship::items::state::ItemStateProxy;
 use crate::ship::items::inventory::{InventoryItem, InventoryItemDetail};
 
 
@@ -18,14 +20,12 @@ pub enum ApplyItemError {
     NoCharacter,
     #[error("item not equipped")]
     ItemNotEquipped,
-    #[error("invalid item")]
+    #[error("could not use item invalid item")]
     InvalidItem,
+    #[error("invalid tool")]
+    InvalidTool,
     #[error("gateway error {0}")]
     GatewayError(#[from] GatewayError),
-
-    #[error("itemstate error {0}")]
-    ItemStateError(Box<ItemStateError>),
-
     #[error("magcell error {0}")]
     MagCellError(#[from] MagCellError),
 }
@@ -38,49 +38,43 @@ pub enum ApplyItemAction {
     //RemoveItem,
 }
 
-impl From<ItemStateError> for ApplyItemError {
-    fn from(other: ItemStateError) -> ApplyItemError {
-        ApplyItemError::ItemStateError(Box::new(other))
-    }
-}
-
-async fn power_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, ApplyItemError> {
+async fn power_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, anyhow::Error> {
     character.materials.power += 1;
     entity_gateway.save_character(character).await?;
     Ok(vec![ApplyItemAction::UpdateCharacter(Box::new(character.clone()))])
 }
 
-async fn mind_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, ApplyItemError> {
+async fn mind_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, anyhow::Error> {
     character.materials.mind += 1;
     entity_gateway.save_character(character).await.unwrap();
     Ok(vec![ApplyItemAction::UpdateCharacter(Box::new(character.clone()))])
 }
 
-async fn evade_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, ApplyItemError> {
+async fn evade_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, anyhow::Error> {
     character.materials.evade += 1;
     entity_gateway.save_character(character).await.unwrap();
     Ok(vec![ApplyItemAction::UpdateCharacter(Box::new(character.clone()))])
 }
 
-async fn def_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, ApplyItemError> {
+async fn def_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, anyhow::Error> {
     character.materials.def += 1;
     entity_gateway.save_character(character).await.unwrap();
     Ok(vec![ApplyItemAction::UpdateCharacter(Box::new(character.clone()))])
 }
 
-async fn luck_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, ApplyItemError> {
+async fn luck_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, anyhow::Error> {
     character.materials.luck += 1;
     entity_gateway.save_character(character).await.unwrap();
     Ok(vec![ApplyItemAction::UpdateCharacter(Box::new(character.clone()))])
 }
 
-async fn hp_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, ApplyItemError> {
+async fn hp_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, anyhow::Error> {
     character.materials.hp += 1;
     entity_gateway.save_character(character).await.unwrap();
     Ok(vec![ApplyItemAction::UpdateCharacter(Box::new(character.clone()))])
 }
 
-async fn tp_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, ApplyItemError> {
+async fn tp_material<EG: EntityGateway + ?Sized>(entity_gateway: &mut EG, character: &mut CharacterEntity) -> Result<Vec<ApplyItemAction>, anyhow::Error> {
     character.materials.tp += 1;
     entity_gateway.save_character(character).await.unwrap();
     Ok(vec![ApplyItemAction::UpdateCharacter(Box::new(character.clone()))])
@@ -113,7 +107,7 @@ async fn mag_cell<'a, EG>(item_state: &mut ItemStateProxy,
                           character: &CharacterEntity,
                           cell_entity_id: ItemEntityId,
                           mag_cell_type: MagCell)
-                          -> Result<Vec<ApplyItemAction>, ApplyItemError>
+                          -> Result<Vec<ApplyItemAction>, anyhow::Error>
 where
     EG: EntityGateway + ?Sized,
 {
@@ -229,7 +223,7 @@ pub async fn liberta_kit<EG: EntityGateway>(entity_gateway: &mut EG, used_cell:
 */
 
 
-fn jack_o_lantern() -> Result<Vec<ApplyItemAction>, ApplyItemError>
+fn jack_o_lantern() -> Result<Vec<ApplyItemAction>, anyhow::Error>
 {
     let mag_rate = WeightedIndex::new(&[13, 13, 13, 13, 12, 12, 12, 12]).unwrap();
     let mag_type = match mag_rate.sample(&mut rand_chacha::ChaChaRng::from_entropy()) {
@@ -252,7 +246,7 @@ async fn apply_tool<'a, EG>(item_state: &mut ItemStateProxy,
                             character: &mut CharacterEntity,
                             entity_id: ItemEntityId,
                             tool: ToolType)
-                            -> Result<Vec<ApplyItemAction>, ApplyItemError>
+                            -> Result<Vec<ApplyItemAction>, anyhow::Error>
 where
     EG: EntityGateway + ?Sized,
 {
@@ -270,6 +264,13 @@ where
         ToolType::Monofluid => Ok(Vec::new()),
         ToolType::Difluid => Ok(Vec::new()),
         ToolType::Trifluid => Ok(Vec::new()),
+        ToolType::SolAtomizer => Ok(Vec::new()),
+        ToolType::MoonAtomizer => Ok(Vec::new()),
+        ToolType::StarAtomizer => Ok(Vec::new()),
+        ToolType::Telepipe => Ok(Vec::new()),
+        ToolType::Antidote => Ok(Vec::new()),
+        ToolType::Antiparalysis => Ok(Vec::new()),
+        ToolType::TrapVision => Ok(Vec::new()),
         ToolType::HuntersReport => Ok(Vec::new()),
         ToolType::CellOfMag502
             | ToolType::CellOfMag213
@@ -299,17 +300,36 @@ where
             }
         ToolType::JackOLantern => jack_o_lantern(),
         // TODO: rest of these
-        _ => Err(ApplyItemError::InvalidItem)
+        _ => Err(anyhow::Error::from(ApplyItemError::InvalidTool))
+            .with_context(|| {
+                format!("invalid tool {tool:?}")
+            })
+
     }
     
 }
 
+async fn apply_tech<'a, EG>(_item_state: &mut ItemStateProxy,
+                            entity_gateway: &mut EG,
+                            character: &mut CharacterEntity,
+                            _entity_id: ItemEntityId,
+                            tech: TechniqueDisk)
+                            -> Result<Vec<ApplyItemAction>, anyhow::Error>
+where
+    EG: EntityGateway + ?Sized,
+{
+    // TODO: make sure the class can learn that specific tech
+    character.techs.set_tech(tech.tech, TechLevel(tech.level as u8));
+    entity_gateway.save_character(character).await.unwrap();
+    Ok(vec![ApplyItemAction::UpdateCharacter(Box::new(character.clone()))])
+
+}
 
 pub async fn apply_item<'a, EG>(item_state: &mut ItemStateProxy,
                                 entity_gateway: &mut EG,
                                 character: &mut CharacterEntity,
                                 item: InventoryItem
-) -> Result<Vec<ApplyItemAction>, ApplyItemError>
+) -> Result<Vec<ApplyItemAction>, anyhow::Error>
 where
     EG: EntityGateway + ?Sized + Clone + 'static
 {
@@ -317,7 +337,11 @@ where
         InventoryItemDetail::Individual(individual_item) => {
             match individual_item.item {
                 ItemDetail::Tool(tool) => apply_tool(item_state, entity_gateway, character, individual_item.entity_id, tool.tool).await,
-                _ => Err(ApplyItemError::InvalidItem)
+                ItemDetail::TechniqueDisk(tech) => apply_tech(item_state, entity_gateway, character, individual_item.entity_id, tech).await,
+                _ => Err(anyhow::Error::from(ApplyItemError::InvalidItem))
+                    .with_context(|| {
+                        format!("item {individual_item:?}")
+                    })
             }
         },
         InventoryItemDetail::Stacked(stacked_item) => {

src/ship/items/bank.rs

@@ -64,10 +64,10 @@ pub struct BankItem {
 }
 
 impl BankItem {
-    pub async fn with_entity_id<F, Fut, T>(&self, mut param: T, mut func: F) -> Result<T, ItemStateError>
+    pub async fn with_entity_id<F, Fut, T>(&self, mut param: T, mut func: F) -> Result<T, anyhow::Error>
     where
         F: FnMut(T, ItemEntityId) -> Fut,
-        Fut: Future<Output=Result<T, ItemStateError>>,
+        Fut: Future<Output=Result<T, anyhow::Error>>,
     {
         match &self.item {
             BankItemDetail::Individual(individual_item) => {
@@ -125,27 +125,27 @@ impl BankState {
         self.item_id_counter = base_item_id + self.bank.0.len() as u32;
     }
 
-    pub fn add_meseta(&mut self, amount: u32) -> Result<(), ItemStateError> {
+    pub fn add_meseta(&mut self, amount: u32) -> Result<(), anyhow::Error> {
         if self.meseta.0 + amount > 999999 {
-            return Err(ItemStateError::FullOfMeseta)
+            return Err(ItemStateError::FullOfMeseta.into())
         }
         self.meseta.0 += amount;
         Ok(())
     }
 
-    pub fn remove_meseta(&mut self, amount: u32) -> Result<(), ItemStateError> {
+    pub fn remove_meseta(&mut self, amount: u32) -> Result<(), anyhow::Error> {
         if amount > self.meseta.0 {
-            return Err(ItemStateError::InvalidMesetaRemoval(amount))
+            return Err(ItemStateError::InvalidMesetaRemoval(amount).into())
         }
         self.meseta.0 -= amount;
         Ok(())
     }
 
-    pub fn add_inventory_item(&mut self, item: InventoryItem) -> Result<AddItemResult, BankError> {
+    pub fn add_inventory_item(&mut self, item: InventoryItem) -> Result<AddItemResult, anyhow::Error> {
         match item.item {
             InventoryItemDetail::Individual(iitem) => {
                 if self.bank.0.len() >= 30 {
-                    Err(BankError::BankFull)
+                    Err(BankError::BankFull.into())
                 }
                 else {
                     self.bank.0.push(BankItem {
@@ -166,7 +166,7 @@ impl BankState {
                 match existing_stack {
                     Some(existing_stack) => {
                         if existing_stack.entity_ids.len() + sitem.entity_ids.len() > sitem.tool.max_stack() {
-                            Err(BankError::StackFull)
+                            Err(BankError::StackFull.into())
                         }
                         else {
                             existing_stack.entity_ids.append(&mut sitem.entity_ids.clone());
@@ -175,7 +175,7 @@ impl BankState {
                     },
                     None => {
                         if self.bank.0.len() >= 30 {
-                            Err(BankError::BankFull)
+                            Err(BankError::BankFull.into())
                         }
                         else {
                             self.bank.0.push(BankItem {

src/ship/items/floor.rs

@@ -33,7 +33,7 @@ pub struct FloorItem {
 }
 
 impl FloorItem {
-    pub async fn with_entity_id<F, Fut, T>(&self, mut param: T, mut func: F) -> Result<T, ItemStateError>
+    pub async fn with_entity_id<F, Fut, T>(&self, mut param: T, mut func: F) -> Result<T, anyhow::Error>
     where
         F: FnMut(T, ItemEntityId) -> Fut,
         Fut: Future<Output=Result<T, ItemStateError>>,
@@ -53,10 +53,10 @@ impl FloorItem {
         Ok(param)
     }
 
-    pub async fn with_mag<F, Fut, T>(&self, mut param: T, mut func: F) -> Result<T, ItemStateError>
+    pub async fn with_mag<F, Fut, T>(&self, mut param: T, mut func: F) -> Result<T, anyhow::Error>
     where
         F: FnMut(T, ItemEntityId, Mag) -> Fut,
-        Fut: Future<Output=Result<T, ItemStateError>>,
+        Fut: Future<Output=Result<T, anyhow::Error>>,
     {
         if let FloorItemDetail::Individual(individual_item) = &self.item {
             if let ItemDetail::Mag(mag) = &individual_item.item {

src/ship/items/inventory.rs

@@ -60,7 +60,7 @@ impl InventoryItemDetail {
     }
 
     // TODO: this should probably go somewhere a bit more fundamental like ItemDetail
-    pub fn sell_price(&self) -> Result<u32, ItemStateError> {
+    pub fn sell_price(&self) -> Result<u32, anyhow::Error> {
         match self {
             InventoryItemDetail::Individual(individual_item) => {
                 match &individual_item.item {
@@ -102,7 +102,7 @@ impl InventoryItemDetail {
                         Ok((ToolShopItem::from(d).price() / 8) as u32)
                     },
                     ItemDetail::Mag(_m) => {
-                        Err(ItemStateError::ItemNotSellable)
+                        Err(ItemStateError::ItemNotSellable.into())
                     },
                     ItemDetail::ESWeapon(_e) => {
                         Ok(10u32)
@@ -126,10 +126,10 @@ pub struct InventoryItem {
 }
 
 impl InventoryItem {
-    pub async fn with_entity_id<F, Fut, T>(&self, mut param: T, mut func: F) -> Result<T, ItemStateError>
+    pub async fn with_entity_id<F, Fut, T>(&self, mut param: T, mut func: F) -> Result<T, anyhow::Error>
     where
         F: FnMut(T, ItemEntityId) -> Fut,
-        Fut: Future<Output=Result<T, ItemStateError>>,
+        Fut: Future<Output=Result<T, anyhow::Error>>,
     {
         match &self.item {
             InventoryItemDetail::Individual(individual_item) => {
@@ -145,10 +145,10 @@ impl InventoryItem {
         Ok(param)
     }
 
-    pub async fn with_mag<F, Fut, T>(&self, mut param: T, mut func: F) -> Result<T, ItemStateError>
+    pub async fn with_mag<F, Fut, T>(&self, mut param: T, mut func: F) -> Result<T, anyhow::Error>
     where
         F: FnMut(T, ItemEntityId, Mag) -> Fut,
-        Fut: Future<Output=Result<T, ItemStateError>>,
+        Fut: Future<Output=Result<T, anyhow::Error>>,
     {
         if let InventoryItemDetail::Individual(individual_item) = &self.item {
             if let ItemDetail::Mag(mag) = &individual_item.item {
@@ -205,11 +205,11 @@ impl InventoryState {
         self.inventory.0.len()
     }
 
-    pub fn add_floor_item(&mut self, item: FloorItem) -> Result<AddItemResult, InventoryError> {
+    pub fn add_floor_item(&mut self, item: FloorItem) -> Result<AddItemResult, anyhow::Error> {
         match item.item {
             FloorItemDetail::Individual(iitem) => {
                 if self.inventory.0.len() >= 30 {
-                    Err(InventoryError::InventoryFull)
+                    Err(InventoryError::InventoryFull.into())
                 }
                 else {
                     self.inventory.0.push(InventoryItem {
@@ -229,7 +229,7 @@ impl InventoryState {
                 match existing_stack {
                     Some(existing_stack) => {
                         if existing_stack.entity_ids.len() + sitem.entity_ids.len() > sitem.tool.max_stack() {
-                            Err(InventoryError::StackFull)
+                            Err(InventoryError::StackFull.into())
                         }
                         else {
                             existing_stack.entity_ids.append(&mut sitem.entity_ids.clone());
@@ -238,7 +238,7 @@ impl InventoryState {
                     },
                     None => {
                         if self.inventory.0.len() >= 30 {
-                            Err(InventoryError::InventoryFull)
+                            Err(InventoryError::InventoryFull.into())
                         }
                         else {
                             self.inventory.0.push(InventoryItem {
@@ -253,7 +253,7 @@ impl InventoryState {
             },
             FloorItemDetail::Meseta(meseta) => {
                 if self.meseta == Meseta(999999) {
-                    Err(InventoryError::MesetaFull)
+                    Err(InventoryError::MesetaFull.into())
                 }
                 else {
                     self.meseta.0 = std::cmp::min(self.meseta.0 + meseta.0, 999999);
@@ -263,11 +263,11 @@ impl InventoryState {
         }
     }
 
-    pub fn add_item(&mut self, item: InventoryItem) -> Result<(AddItemResult, InventoryItem), InventoryError> {
+    pub fn add_item(&mut self, item: InventoryItem) -> Result<(AddItemResult, InventoryItem), anyhow::Error> {
         match &item.item {
             InventoryItemDetail::Individual(_) => {
                 if self.inventory.0.len() >= 30 {
-                    Err(InventoryError::InventoryFull)
+                    Err(InventoryError::InventoryFull.into())
                 }
                 else {
                     self.inventory.0.push(item);
@@ -290,7 +290,7 @@ impl InventoryState {
                 match existing_stack {
                     Some(existing_stack) => {
                         if existing_stack.entity_ids.len() + sitem.entity_ids.len() > sitem.tool.max_stack() {
-                            Err(InventoryError::StackFull)
+                            Err(InventoryError::StackFull.into())
                         }
                         else {
                             existing_stack.entity_ids.append(&mut sitem.entity_ids.clone());
@@ -307,7 +307,7 @@ impl InventoryState {
                     },
                     None => {
                         if self.inventory.0.len() >= 30 {
-                            Err(InventoryError::InventoryFull)
+                            Err(InventoryError::InventoryFull.into())
                         }
                         else {
                             self.inventory.0.push(item);
@@ -370,25 +370,25 @@ impl InventoryState {
             .find(|i| i.item_id == *item_id)
     }
 
-    pub fn add_meseta(&mut self, amount: u32) -> Result<(), ItemStateError> {
+    pub fn add_meseta(&mut self, amount: u32) -> Result<(), anyhow::Error> {
         if self.meseta.0 == 999999 {
-            return Err(ItemStateError::FullOfMeseta)
+            return Err(ItemStateError::FullOfMeseta.into())
         }
         self.meseta.0 = std::cmp::min(self.meseta.0 + amount, 999999);
         Ok(())
     }
 
-    pub fn add_meseta_no_overflow(&mut self, amount: u32) -> Result<(), ItemStateError> {
+    pub fn add_meseta_no_overflow(&mut self, amount: u32) -> Result<(), anyhow::Error> {
         if self.meseta.0 + amount > 999999 {
-            return Err(ItemStateError::FullOfMeseta)
+            return Err(ItemStateError::FullOfMeseta.into())
         }
         self.meseta.0 += amount;
         Ok(())
     }
 
-    pub fn remove_meseta(&mut self, amount: u32) -> Result<(), ItemStateError> {
+    pub fn remove_meseta(&mut self, amount: u32) -> Result<(), anyhow::Error> {
         if amount > self.meseta.0 {
-            return Err(ItemStateError::InvalidMesetaRemoval(amount))
+            return Err(ItemStateError::InvalidMesetaRemoval(amount).into())
         }
         self.meseta.0 -= amount;
         Ok(())

src/ship/items/state.rs

@@ -1,6 +1,7 @@
 use std::collections::HashMap;
 use async_std::sync::{Arc, RwLock, Mutex};
 use futures::future::join_all;
+use anyhow::Context;
 
 use crate::entity::gateway::{EntityGateway, GatewayError};
 use crate::entity::character::{CharacterEntity, CharacterEntityId};
@@ -21,6 +22,8 @@ pub enum ItemStateError {
     NoCharacter(CharacterEntityId),
     #[error("room {0} not found")]
     NoRoom(RoomId),
+    #[error("inventory item {0} not found")]
+    NoInventoryItem(ClientItemId),
     #[error("floor item {0} not found")]
     NoFloorItem(ClientItemId),
     #[error("expected {0} to be a tool")]
@@ -55,7 +58,7 @@ pub enum ItemStateError {
     ItemNotSellable,
     #[error("could not modify item")]
     InvalidModifier,
-    #[error("wrong item type ")]
+    #[error("wrong item type {0}")]
     WrongItemType(ClientItemId),
 }
 
@@ -150,7 +153,7 @@ impl Default for ItemState {
 }
 
 impl ItemState {
-    pub async fn get_character_inventory(&self, character: &CharacterEntity) -> Result<InventoryState, ItemStateError> {
+    pub async fn get_character_inventory(&self, character: &CharacterEntity) -> Result<InventoryState, anyhow::Error> {
         Ok(self.character_inventory
            .read()
            .await
@@ -161,7 +164,7 @@ impl ItemState {
            .clone())
     }
 
-    pub async fn get_character_bank(&self, character: &CharacterEntity) -> Result<BankState, ItemStateError> {
+    pub async fn get_character_bank(&self, character: &CharacterEntity) -> Result<BankState, anyhow::Error> {
         Ok(self.character_bank
            .read()
            .await
@@ -174,20 +177,20 @@ impl ItemState {
 }
 
 impl ItemState {
-    async fn new_item_id(&mut self) -> Result<ClientItemId, ItemStateError> {
+    async fn new_item_id(&mut self) -> Result<ClientItemId, anyhow::Error> {
         *self.room_item_id_counter
             .write()
             .await += 1;
         Ok(ClientItemId(*self.room_item_id_counter.read().await))
     }
 
-    pub async fn load_character<EG: EntityGateway>(&mut self, entity_gateway: &mut EG, character: &CharacterEntity) -> Result<(), ItemStateError> {
+    pub async fn load_character<EG: EntityGateway>(&mut self, entity_gateway: &mut EG, character: &CharacterEntity) -> Result<(), anyhow::Error> {
         let inventory = entity_gateway.get_character_inventory(&character.id).await?;
         let bank = entity_gateway.get_character_bank(&character.id, &BankName("".into())).await?;
         let equipped = entity_gateway.get_character_equips(&character.id).await?;
 
         let inventory_items = inventory.items.into_iter()
-            .map(|item| -> Result<InventoryItem, ItemStateError> {
+            .map(|item| -> Result<InventoryItem, anyhow::Error> {
                 Ok(match item {
                     InventoryItemEntity::Individual(item) => {
                         InventoryItem {
@@ -214,7 +217,7 @@ impl ItemState {
                     },
                 })
             })
-            .collect::<Result<Vec<_>, ItemStateError>>()?;
+            .collect::<Result<Vec<_>, anyhow::Error>>()?;
 
         let character_meseta = entity_gateway.get_character_meseta(&character.id).await?;
         let inventory_state = InventoryState {
@@ -259,7 +262,7 @@ impl ItemState {
                      .collect::<Vec<_>>())
                 .await
             .into_iter()
-            .collect::<Result<Vec<_>, ItemStateError>>()?;
+            .collect::<Result<Vec<_>, anyhow::Error>>()?;
         
         let bank_meseta = entity_gateway.get_bank_meseta(&character.id, &BankName("".into())).await?;
         let bank_state = BankState::new(character.id, BankName("".into()), Bank::new(bank_items), bank_meseta);
@@ -334,7 +337,7 @@ impl ItemState {
         }
     }
 
-    pub async fn get_floor_item(&self, character_id: &CharacterEntityId, item_id: &ClientItemId) -> Result<(FloorItem, FloorType), ItemStateError> {
+    pub async fn get_floor_item(&self, character_id: &CharacterEntityId, item_id: &ClientItemId) -> Result<(FloorItem, FloorType), anyhow::Error> {
         let local_floors = self.character_floor
             .read()
             .await;
@@ -369,6 +372,7 @@ impl ItemState {
                     .map(|item| (item.clone(), FloorType::Shared))
             })
             .ok_or_else(|| ItemStateError::NoFloorItem(*item_id))
+            .with_context(|| format!("character {character_id}\nlocal floors: {local_floors:#?}\nshared floors: {shared_floors:#?}"))
     }
 }
 
@@ -421,7 +425,7 @@ impl ItemStateProxy {
 async fn get_or_clone<K, V>(master: &Arc<RwLock<HashMap<K, RwLock<V>>>>,
                             proxy: &Arc<Mutex<HashMap<K, V>>>,
                             key: K,
-                            err: fn(K) -> ItemStateError) -> Result<V, ItemStateError>
+                            err: fn(K) -> ItemStateError) -> Result<V, anyhow::Error>
 where
     K: Eq + std::hash::Hash + Copy,
     V: Clone
@@ -451,7 +455,7 @@ impl ItemStateProxy {
         }
     }
 
-    pub async fn inventory(&mut self, character_id: &CharacterEntityId) -> Result<InventoryState, ItemStateError> {
+    pub async fn inventory(&mut self, character_id: &CharacterEntityId) -> Result<InventoryState, anyhow::Error> {
         get_or_clone(&self.item_state.character_inventory,
                      &self.proxied_state.character_inventory,
                      *character_id,
@@ -462,7 +466,7 @@ impl ItemStateProxy {
         self.proxied_state.character_inventory.lock().await.insert(inventory.character_id, inventory);
     }
 
-    pub async fn bank(&mut self, character_id: &CharacterEntityId) -> Result<BankState, ItemStateError> {
+    pub async fn bank(&mut self, character_id: &CharacterEntityId) -> Result<BankState, anyhow::Error> {
         get_or_clone(&self.item_state.character_bank,
                      &self.proxied_state.character_bank,
                      *character_id,
@@ -473,7 +477,7 @@ impl ItemStateProxy {
         self.proxied_state.character_bank.lock().await.insert(bank.character_id, bank);
     }
 
-    pub async fn floor(&mut self, character_id: &CharacterEntityId) -> Result<FloorState, ItemStateError> {
+    pub async fn floor(&mut self, character_id: &CharacterEntityId) -> Result<FloorState, anyhow::Error> {
         let room_id = *self.item_state.character_room.read().await.get(character_id).unwrap();
         Ok(FloorState {
             character_id: *character_id,
@@ -488,7 +492,7 @@ impl ItemStateProxy {
         self.proxied_state.room_floor.lock().await.insert(room_id, floor.shared);
     }
 
-    pub async fn new_item_id(&mut self) -> Result<ClientItemId, ItemStateError> {
+    pub async fn new_item_id(&mut self) -> Result<ClientItemId, anyhow::Error> {
         self.item_state.new_item_id().await
     }
 }

src/ship/items/tasks.rs

@@ -5,7 +5,7 @@ use crate::ship::ship::SendShipPacket;
 use crate::ship::map::MapArea;
 use crate::entity::character::{CharacterEntity, CharacterEntityId};
 use crate::entity::gateway::{EntityGateway, EntityGatewayTransaction};
-use crate::ship::items::state::{ItemState, ItemStateProxy, ItemStateError, IndividualItemDetail};
+use crate::ship::items::state::{ItemState, ItemStateProxy, IndividualItemDetail};
 use crate::ship::items::itemstateaction::{ItemStateAction, ItemAction};
 use crate::ship::items::inventory::InventoryItem;
 use crate::ship::items::floor::FloorItem;
@@ -22,7 +22,7 @@ pub async fn pick_up_item<EG>(
     entity_gateway: &mut EG,
     character: &CharacterEntity,
     item_id: &ClientItemId)
-    -> Result<actions::TriggerCreateItem, ItemStateError>
+    -> Result<actions::TriggerCreateItem, anyhow::Error>
 where
     EG: EntityGateway + 'static,
     EG::Transaction: Clone,
@@ -46,7 +46,7 @@ pub async fn drop_item<EG>(
     item_id: &ClientItemId,
     map_area: MapArea,
     drop_position: (f32, f32, f32))
-    -> Result<FloorItem, ItemStateError>
+    -> Result<FloorItem, anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -70,7 +70,7 @@ pub async fn drop_partial_item<'a, EG>(
     map_area: MapArea,
     drop_position: (f32, f32),
     amount: u32)
-    -> Result<FloorItem, ItemStateError>
+    -> Result<FloorItem, anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -95,7 +95,7 @@ pub async fn drop_meseta<'a, EG>(
     map_area: MapArea,
     drop_position: (f32, f32),
     amount: u32)
-    -> Result<FloorItem, ItemStateError>
+    -> Result<FloorItem, anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -117,7 +117,7 @@ pub async fn withdraw_meseta<'a, EG>(
     entity_gateway: &mut EG,
     character: &CharacterEntity,
     amount: u32)
-    -> Result<(), ItemStateError>
+    -> Result<(), anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -139,7 +139,7 @@ pub async fn deposit_meseta<'a, EG>(
     entity_gateway: &mut EG,
     character: &CharacterEntity,
     amount: u32)
-    -> Result<(), ItemStateError>
+    -> Result<(), anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -162,7 +162,7 @@ pub async fn withdraw_item<'a, EG>(
     character: &CharacterEntity,
     item_id: &ClientItemId,
     amount: u32)
-    -> Result<InventoryItem, ItemStateError>
+    -> Result<InventoryItem, anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -187,7 +187,7 @@ pub async fn deposit_item<'a, EG> (
     character: &CharacterEntity,
     item_id: &ClientItemId,
     amount: u32)
-    -> Result<(), ItemStateError>
+    -> Result<(), anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -209,7 +209,7 @@ pub async fn equip_item<'a, EG> (
     character: &CharacterEntity,
     item_id: &ClientItemId,
     equip_slot: u8,
-) -> Result<(), ItemStateError>
+) -> Result<(), anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -230,7 +230,7 @@ pub async fn unequip_item<'a, EG> (
     entity_gateway: &mut EG,
     character: &CharacterEntity,
     item_id: &ClientItemId,
-) -> Result<(), ItemStateError>
+) -> Result<(), anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -251,7 +251,7 @@ pub async fn sort_inventory<'a, EG> (
     entity_gateway: &mut EG,
     character: &CharacterEntity,
     item_ids: Vec<ClientItemId>,
-) -> Result<(), ItemStateError>
+) -> Result<(), anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -274,7 +274,7 @@ pub async fn use_item<'a, EG> (
     area_client: AreaClient,
     item_id: &ClientItemId,
     amount: u32,
-) -> Result<Vec<SendShipPacket>, ItemStateError>
+) -> Result<Vec<SendShipPacket>, anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -303,7 +303,7 @@ pub async fn feed_mag<'a, EG> (
     character: &CharacterEntity,
     mag_item_id: &ClientItemId,
     tool_item_id: &ClientItemId,
-) -> Result<(), ItemStateError>
+) -> Result<(), anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -327,7 +327,7 @@ pub async fn buy_shop_item<'a, EG> (
     shop_item: &'a (dyn ShopItem + Send + Sync),
     item_id: ClientItemId,
     amount: u32,
-) -> Result<InventoryItem, ItemStateError>
+) -> Result<InventoryItem, anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -353,7 +353,7 @@ pub async fn sell_item<'a, EG> (
     character: &CharacterEntity,
     item_id: ClientItemId,
     amount: u32,
-) -> Result<InventoryItem, ItemStateError>
+) -> Result<InventoryItem, anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -373,7 +373,7 @@ pub async fn trade_items<'a, EG> (
     entity_gateway: &mut EG,
     p1: (&AreaClient, &CharacterEntity, &Vec<TradeItem>, Meseta),
     p2: (&AreaClient, &CharacterEntity, &Vec<TradeItem>, Meseta))
-    -> Result<(Vec<InventoryItem>, Vec<InventoryItem>), ItemStateError>
+    -> Result<(Vec<InventoryItem>, Vec<InventoryItem>), anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -443,7 +443,7 @@ pub async fn take_meseta<'a, EG> (
     entity_gateway: &mut EG,
     character_id: &CharacterEntityId,
     meseta: Meseta)
-    -> Result<(), ItemStateError>
+    -> Result<(), anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -464,7 +464,7 @@ pub async fn enemy_drops_item<'a, EG> (
     entity_gateway: &mut EG,
     character_id: CharacterEntityId,
     item_drop: ItemDrop)
-    -> Result<FloorItem, ItemStateError>
+    -> Result<FloorItem, anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -488,7 +488,7 @@ pub async fn apply_modifier<'a, EG> (
     character: &CharacterEntity,
     item_id: ClientItemId,
     modifier: ItemModifier)
-    -> Result<IndividualItemDetail, ItemStateError>
+    -> Result<IndividualItemDetail, anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {

src/ship/location.rs

@@ -30,41 +30,50 @@ impl LobbyId {
 
 
 #[derive(Error, Debug, PartialEq, Eq)]
-#[error("create room")]
 pub enum CreateRoomError {
+    #[error("no open slots")]
     NoOpenSlots,
+    #[error("client already in area")]
     ClientInAreaAlready,
+    #[error("join error")]
     JoinError,
 }
 
 #[derive(Error, Debug, PartialEq, Eq)]
-#[error("join room")]
 pub enum JoinRoomError {
+    #[error("room does not exist")]
     RoomDoesNotExist,
+    #[error("room is full")]
     RoomFull,
+    #[error("client already in area")]
     ClientInAreaAlready,
 }
 
 #[derive(Error, Debug, PartialEq, Eq)]
-#[error("join lobby")]
 pub enum JoinLobbyError {
+    #[error("lobby does not exist")]
     LobbyDoesNotExist,
+    #[error("lobby is full")]
     LobbyFull,
+    #[error("client already in area")]
     ClientInAreaAlready,
 }
 
 #[derive(Error, Debug, PartialEq, Eq)]
-#[error("get area")]
 pub enum GetAreaError {
+    #[error("not in a room")]
     NotInRoom,
+    #[error("not in a lobby")]
     NotInLobby,
+    #[error("get area: invalid client")]
     InvalidClient,
 }
 
 #[derive(Error, Debug, PartialEq, Eq)]
-#[error("client removal")]
 pub enum ClientRemovalError {
+    #[error("client removal: client not in area")]
     ClientNotInArea,
+    #[error("client removal: invalid area")]
     InvalidArea,
 }
 
@@ -77,17 +86,20 @@ pub enum GetClientsError {
 }
 
 #[derive(Error, Debug, PartialEq, Eq)]
-#[error("get neighbor")]
 pub enum GetNeighborError {
+    #[error("get neighbor: invalid client")]
     InvalidClient,
+    #[error("get neighbor: invalid area")]
     InvalidArea,
 }
 
 #[derive(Error, Debug, PartialEq, Eq)]
-#[error("get leader")]
 pub enum GetLeaderError {
+    #[error("get leader: invalid client")]
     InvalidClient,
+    #[error("get leader: invalid area")]
     InvalidArea,
+    #[error("get leader: client not in area")]
     NoClientInArea,
 }
 

src/ship/map/enemy.rs

@@ -99,9 +99,18 @@ impl RareMonsterAppearTable {
         }
     }
 
-    pub fn roll_is_rare(&self, monster: &MonsterType) -> bool {
+    fn roll_is_rare(&self, monster: &MonsterType) -> bool {
         rand_chacha::ChaChaRng::from_entropy().gen::<f32>() < *self.appear_rate.get(monster).unwrap_or(&0.0f32)
     }
+
+    pub fn apply(&self, enemy: MapEnemy, event: ShipEvent) -> MapEnemy {
+        if enemy.can_be_rare() && self.roll_is_rare(&enemy.monster) {
+            enemy.into_rare(event)
+        }
+        else {
+            enemy
+        }
+    }
 }
 
 

src/ship/map/maps.rs

@@ -8,12 +8,13 @@ use thiserror::Error;
 
 use crate::ship::ship::ShipEvent;
 use crate::ship::monster::MonsterType;
-use crate::ship::room::{Episode, RoomMode};
+use crate::ship::room::{Episode, RoomMode, PlayerMode};
 
 // TODO: don't use *
 use crate::ship::map::*;
 
 
+
 pub fn objects_from_stream(cursor: &mut impl Read, episode: &Episode, map_area: &MapArea) -> Vec<Option<MapObject>> {
     let mut object_data = Vec::new();
 
@@ -172,24 +173,9 @@ fn enemy_data_from_map_data(map_variant: &MapVariant, episode: &Episode) -> Vec<
 }
 
 
-#[derive(Error, Debug)]
-#[error("")]
-pub enum MapsError {
-    InvalidMonsterId(usize),
-    InvalidObjectId(usize),
-}
-
-#[derive(Debug)]
-pub struct Maps {
-    map_variants: Vec<MapVariant>,
-    enemy_data: Vec<Option<MapEnemy>>,
-    object_data: Vec<Option<MapObject>>,
-}
-
-impl Maps {
-    pub fn new(room_mode: RoomMode, rare_monster_table: &enemy::RareMonsterAppearTable, event: ShipEvent) -> Maps {
-        let map_variants = match (room_mode.episode(), room_mode.single_player()) {
-            (Episode::One, 0) => {
+pub fn default_map_variants(episode: Episode, player_mode: PlayerMode) -> Vec<MapVariant> {
+    match (episode, player_mode) {
+        (Episode::One, PlayerMode::Multi) => {
             vec![MapVariant::new(MapArea::Pioneer2Ep1, MapVariantMode::Online),
                  MapVariant::new(MapArea::Forest1, MapVariantMode::Online),
                  MapVariant::new(MapArea::Forest2, MapVariantMode::Online),
@@ -207,7 +193,7 @@ impl Maps {
                  MapVariant::new(MapArea::DarkFalz, MapVariantMode::Online),
             ]
         },
-            (Episode::One, 1) => {
+        (Episode::One, PlayerMode::Single) => {
             vec![MapVariant::new(MapArea::Pioneer2Ep1, MapVariantMode::Offline),
                  MapVariant::new(MapArea::Forest1, MapVariantMode::Offline),
                  MapVariant::new(MapArea::Forest2, MapVariantMode::Offline),
@@ -225,7 +211,7 @@ impl Maps {
                  MapVariant::new(MapArea::DarkFalz, MapVariantMode::Offline),
             ]
         },
-            (Episode::Two, 0) => {
+        (Episode::Two, PlayerMode::Multi) => {
             vec![MapVariant::new(MapArea::Pioneer2Ep2, MapVariantMode::Online),
                  MapVariant::new(MapArea::VrTempleAlpha, MapVariantMode::Online),
                  MapVariant::new(MapArea::VrTempleBeta, MapVariantMode::Online),
@@ -244,7 +230,7 @@ impl Maps {
                  MapVariant::new(MapArea::GolDragon, MapVariantMode::Online),
             ]
         },
-            (Episode::Two, 1) => {
+        (Episode::Two, PlayerMode::Single) => {
             vec![MapVariant::new(MapArea::Pioneer2Ep2, MapVariantMode::Offline),
                  MapVariant::new(MapArea::VrTempleAlpha, MapVariantMode::Offline),
                  MapVariant::new(MapArea::VrTempleBeta, MapVariantMode::Offline),
@@ -263,7 +249,7 @@ impl Maps {
                  MapVariant::new(MapArea::GolDragon, MapVariantMode::Offline),
             ]
         },
-            (Episode::Four, _) => {
+        (Episode::Four, PlayerMode::Multi) => {
             vec![MapVariant::new(MapArea::Pioneer2Ep4, MapVariantMode::Online),
                  MapVariant::new(MapArea::CraterEast, MapVariantMode::Online),
                  MapVariant::new(MapArea::CraterWest, MapVariantMode::Online),
@@ -276,21 +262,42 @@ impl Maps {
                  MapVariant::new(MapArea::SaintMillion, MapVariantMode::Online),
             ]
         },
-            _ => unreachable!()
-        };
+        (Episode::Four, PlayerMode::Single) => {
+            vec![MapVariant::new(MapArea::Pioneer2Ep4, MapVariantMode::Offline),
+                 MapVariant::new(MapArea::CraterEast, MapVariantMode::Offline),
+                 MapVariant::new(MapArea::CraterWest, MapVariantMode::Offline),
+                 MapVariant::new(MapArea::CraterSouth, MapVariantMode::Offline),
+                 MapVariant::new(MapArea::CraterNorth, MapVariantMode::Offline),
+                 MapVariant::new(MapArea::CraterInterior, MapVariantMode::Offline),
+                 MapVariant::new(MapArea::SubDesert1, MapVariantMode::Offline),
+                 MapVariant::new(MapArea::SubDesert2, MapVariantMode::Offline),
+                 MapVariant::new(MapArea::SubDesert3, MapVariantMode::Offline),
+                 MapVariant::new(MapArea::SaintMillion, MapVariantMode::Offline),
+            ]
+        },
+    }
+}
+
+#[derive(Error, Debug)]
+#[error("")]
+pub enum MapsError {
+    InvalidMonsterId(usize),
+    InvalidObjectId(usize),
+}
+
+#[derive(Debug)]
+pub struct Maps {
+    map_variants: Vec<MapVariant>,
+    enemy_data: Vec<Option<MapEnemy>>,
+    object_data: Vec<Option<MapObject>>,
+}
 
+impl Maps {
+    pub fn new(map_variants: Vec<MapVariant>, enemy_data: Vec<Option<MapEnemy>>, object_data: Vec<Option<MapObject>>) -> Maps {
         Maps {
-            enemy_data: map_variants.iter()
-                .flat_map(|map_variant| {
-                    enemy_data_from_map_data(map_variant, &room_mode.episode())
-                })
-                .map(|enemy| apply_rare_enemy(enemy, rare_monster_table, event))
-                .collect(),
-            object_data: map_variants.iter()
-                .flat_map(|map_variant| {
-                    objects_from_map_data(map_variant.obj_file().into(), &room_mode.episode(), &map_variant.map)
-                }).collect(),
             map_variants,
+            enemy_data,
+            object_data,
         }
     }
 
@@ -322,7 +329,7 @@ impl Maps {
     {
         self.enemy_data = enemies
             .into_iter()
-            .map(|enemy| apply_rare_enemy(enemy, rare_monster_table, event))
+            .map(|enemy| enemy.map(|enemy| rare_monster_table.apply(enemy, event)))
             .collect();
         self.object_data = objects;
     }
@@ -351,13 +358,20 @@ impl Maps {
     }
 }
 
-fn apply_rare_enemy(enemy: Option<MapEnemy>, rare_enemy_table: &RareMonsterAppearTable, event: ShipEvent) -> Option<MapEnemy> {
-    enemy.map(|enemy| {
-        if enemy.can_be_rare() && rare_enemy_table.roll_is_rare(&enemy.monster) {
-            enemy.into_rare(event)
-        }
-        else {
-            enemy
-        }
+pub fn generate_free_roam_maps(room_mode: RoomMode, event: ShipEvent) -> Maps {
+    let rare_monster_table = RareMonsterAppearTable::new(room_mode.episode());
+    let map_variants = default_map_variants(room_mode.episode(), room_mode.player_mode());
+    Maps {
+        enemy_data: map_variants.iter()
+            .flat_map(|map_variant| {
+                enemy_data_from_map_data(map_variant, &room_mode.episode())
             })
+            .map(|enemy| enemy.map(|enemy| rare_monster_table.apply(enemy, event)))
+            .collect(),
+        object_data: map_variants.iter()
+            .flat_map(|map_variant| {
+                objects_from_map_data(map_variant.obj_file().into(), &room_mode.episode(), &map_variant.map)
+            }).collect(),
+        map_variants,
+    }
 }

src/ship/map/mod.rs

@@ -1,8 +1,8 @@
 pub mod area;
 pub mod enemy;
-mod object;
-mod variant;
-mod maps;
+pub mod object;
+pub mod variant;
+pub mod maps;
 
 // TODO: don't just forward everything to the module scope
 pub use area::*;

src/ship/packet/builder/lobby.rs

@@ -1,6 +1,6 @@
 use libpso::packet::ship::*;
 use crate::common::serverstate::ClientId;
-use crate::ship::ship::{ShipError, Clients, ShipEvent};
+use crate::ship::ship::{Clients, ShipEvent};
 use crate::ship::location::{ClientLocation, LobbyId, ClientLocationError};
 use crate::ship::packet::builder::{player_info};
 use crate::ship::items::state::ItemState;
@@ -13,7 +13,7 @@ pub async fn join_lobby(id: ClientId,
                         clients: &Clients,
                         item_state: &ItemState,
                         event: ShipEvent)
-                        -> Result<JoinLobby, ShipError> {
+                        -> Result<JoinLobby, anyhow::Error> {
     let lobby_clients = client_location.get_clients_in_lobby(lobby).await.map_err(|err| -> ClientLocationError { err.into() })?;
 
     let playerinfo = join_all(
@@ -28,9 +28,8 @@ pub async fn join_lobby(id: ClientId,
                 }}))
         .await
         .into_iter()
-        .collect::<Result<Vec<_>, ShipError>>()?;
+        .collect::<Result<Vec<_>, anyhow::Error>>()?;
 
-    //let client = clients.get(&id).ok_or(ShipError::ClientNotFound(id)).unwrap();
     let client_block = clients.with(id, |client| Box::pin(async move {
         client.block as u16
     })).await?;
@@ -54,7 +53,7 @@ pub async fn add_to_lobby(id: ClientId,
                           clients: &Clients,
                           item_state: &ItemState,
                           event: ShipEvent)
-                          -> Result<AddToLobby, ShipError> {
+                          -> Result<AddToLobby, anyhow::Error> {
     let area_client = client_location.get_local_client(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
     let leader = client_location.get_lobby_leader(lobby).await.map_err(|err| -> ClientLocationError { err.into() })?;
     clients.with(id, |client| {
@@ -77,7 +76,7 @@ pub async fn add_to_lobby(id: ClientId,
 
 pub async fn remove_from_lobby(id: ClientId,
                                client_location: &ClientLocation)
-                               -> Result<LeaveLobby, ShipError> {
+                               -> Result<LeaveLobby, anyhow::Error> {
     let prev_area_index = client_location.get_local_client(id).await.map_err(|err| -> ClientLocationError { err.into() })?.local_client.id();
     let prev_area_leader_index = client_location
         .get_area_leader(client_location

src/ship/packet/builder/room.rs

@@ -15,12 +15,11 @@ pub async fn join_room(id: ClientId,
                        room_id: RoomId,
                        room: &RoomState,
                        event: ShipEvent)
-                       -> Result<JoinRoom, ShipError> {
+                       -> Result<JoinRoom, anyhow::Error> {
     let all_clients = client_location.get_clients_in_room(room_id).await.map_err(|err| -> ClientLocationError { err.into() })?;
     let players = futures::stream::iter(all_clients.iter())
         .enumerate()
-        .fold::<Result<_, ShipError>, _, _>(Ok([PlayerHeader::default(); 4]), |acc, (i, c)| async move {
-            //let header_client = clients.get(&c.client).ok_or(ShipError::ClientNotFound(id))?;
+        .fold::<Result<_, anyhow::Error>, _, _>(Ok([PlayerHeader::default(); 4]), |acc, (i, c)| async move {
             let header_area_client = client_location.get_local_client(id).await.map_err(|err| ShipError::ClientLocationError(err.into()))?;
             clients.with(c.client, |client| Box::pin(async move {
                 acc.map(|mut a| {
@@ -40,14 +39,14 @@ pub async fn join_room(id: ClientId,
         leader: leader.local_client.id(),
         one: 1,
         difficulty: room.mode.difficulty().into(),
-        battle: room.mode.battle(),
+        battle: room.mode.battle() as u8,
         event: event.into(),
         section: room.section_id.into(),
-        challenge: room.mode.challenge(),
+        challenge: room.mode.challenge() as u8,
         random_seed: room.random_seed,
         episode: room.mode.episode().into(),
         one2: 1,
-        single_player: room.mode.single_player(),
+        single_player: room.mode.player_mode().value(),
         unknown: 0,
     })
 }
@@ -59,7 +58,7 @@ pub async fn add_to_room(_id: ClientId,
                          leader: &AreaClient,
                          item_state: &ItemState,
                          event: ShipEvent)
-                         -> Result<AddToRoom, ShipError> {
+                         -> Result<AddToRoom, anyhow::Error> {
     let inventory = item_state.get_character_inventory(&client.character).await?;
     Ok(AddToRoom {
         flag: 1,

src/ship/packet/handler/auth.rs

@@ -16,7 +16,7 @@ pub async fn validate_login<EG>(id: ClientId,
                                 shipgate_sender: &Option<async_std::channel::Sender<ShipMessage>>,
                                 ship_name: &str,
                                 num_blocks: usize)
-                                -> Result<Vec<SendShipPacket>, ShipError>
+                                -> Result<Vec<SendShipPacket>, anyhow::Error>
 where
     EG: EntityGateway,
 {

src/ship/packet/handler/communication.rs

@@ -1,6 +1,6 @@
 use libpso::packet::ship::*;
 use crate::common::serverstate::ClientId;
-use crate::ship::ship::{SendShipPacket, ShipError, Clients};
+use crate::ship::ship::{SendShipPacket, Clients};
 use crate::ship::location::{ClientLocation};
 use crate::entity::gateway::EntityGateway;
 
@@ -10,7 +10,7 @@ pub async fn player_chat(id: ClientId,
                          msg: PlayerChat,
                          client_location: &ClientLocation,
                          clients: &Clients)
-                         -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                         -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let cmsg = clients.with(id, |client| Box::pin(async move {
         PlayerChat::new(client.user.id.0, msg.message)
     })).await?;
@@ -25,7 +25,7 @@ pub async fn player_chat(id: ClientId,
 pub async fn request_infoboard(id: ClientId,
                                client_location: &ClientLocation,
                                clients: &Clients)
-                               -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                               -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let area_clients = client_location.get_client_neighbors(id).await.unwrap();
     let infoboards = join_all(
         area_clients.iter()
@@ -39,7 +39,7 @@ pub async fn request_infoboard(id: ClientId,
             }))
         .await
         .into_iter()
-        .collect::<Result<Vec<_>, ShipError>>()?;
+        .collect::<Result<Vec<_>, anyhow::Error>>()?;
     Ok(vec![(id, SendShipPacket::ViewInfoboardResponse(ViewInfoboardResponse {response: infoboards}))])
 }
 
@@ -47,7 +47,7 @@ pub async fn write_infoboard<EG>(id: ClientId,
                                  new_infoboard: WriteInfoboard,
                                  clients: &Clients,
                                  entity_gateway: &mut EG)
-                                 -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                 -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {

src/ship/packet/handler/direct_message.rs

@@ -39,13 +39,15 @@ async fn send_to_client(id: ClientId,
                         target: u8,
                         msg: DirectMessage,
                         client_location: &ClientLocation)
-                        -> Vec<(ClientId, SendShipPacket)> {
-    client_location.get_all_clients_by_client(id).await.unwrap().into_iter()
+                        -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
+    Ok(client_location.get_all_clients_by_client(id)
+       .await?
+       .into_iter()
        .filter(move |client| client.local_client.id() == target)
        .map(move |client| {
            (client.client, SendShipPacket::DirectMessage(msg.clone()))
        })
-        .collect()
+       .collect())
 }
 
 pub async fn guildcard_send(id: ClientId,
@@ -53,7 +55,7 @@ pub async fn guildcard_send(id: ClientId,
                             target: u32,
                             client_location: &ClientLocation,
                             clients: &Clients)
-                            -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                            -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let msg = clients.with(id, |client| Box::pin(async move {
         DirectMessage{
             flag: target,
@@ -72,7 +74,7 @@ pub async fn guildcard_send(id: ClientId,
         }
     })).await?;
 
-    Ok(send_to_client(id, target as u8, msg, client_location).await)
+    send_to_client(id, target as u8, msg, client_location).await
 }
 
 pub async fn request_item<EG>(id: ClientId,
@@ -82,7 +84,7 @@ pub async fn request_item<EG>(id: ClientId,
                               clients: &Clients,
                               rooms: &Rooms,
                               item_state: &mut ItemState)
-                              -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                              -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + 'static,
 {
@@ -92,7 +94,7 @@ where
     })).await??;
 
     if monster.dropped_item {
-        return Err(ShipError::MonsterAlreadyDroppedItem(id, request_item.enemy_id))
+        return Err(ShipError::MonsterAlreadyDroppedItem(id, request_item.enemy_id).into())
     }
 
     let clients_in_area = client_location.get_clients_in_room(room_id).await?;
@@ -115,7 +117,7 @@ where
             z: request_item.z,
             item: item_drop,
         };
-        let character_id = clients.with(id, |client| Box::pin(async move {
+        let character_id = clients.with(area_client.client, |client| Box::pin(async move {
             client.character.id
         })).await?;
 
@@ -134,7 +136,7 @@ pub async fn pickup_item<EG>(id: ClientId,
                                  client_location: &ClientLocation,
                                  clients: &Clients,
                                  item_state: &mut ItemState)
-                                 -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                 -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -193,7 +195,7 @@ pub async fn request_box_item<EG>(id: ClientId,
                                   clients: &Clients,
                                   rooms: &Rooms,
                                   item_state: &mut ItemState)
-                                  -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                  -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static
 {
@@ -203,11 +205,10 @@ where
     })).await??;
 
     if box_object.dropped_item {
-        return Err(ShipError::BoxAlreadyDroppedItem(id, box_drop_request.object_id))
+        return Err(ShipError::BoxAlreadyDroppedItem(id, box_drop_request.object_id).into())
     }
 
     let clients_in_area = client_location.get_clients_in_room(room_id).await?;
-    
     let client_and_drop = rooms.with_mut(room_id, |room| Box::pin(async move {
         clients_in_area.into_iter()
             .filter_map(move |area_client| {
@@ -244,7 +245,7 @@ where
 pub async fn send_bank_list(id: ClientId,
                             clients: &Clients,
                             item_state: &mut ItemState)
-                            -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                            -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 {
     let bank = clients.with(id, |client| {
         let item_state = item_state.clone();
@@ -262,7 +263,7 @@ pub async fn bank_interaction<EG>(id: ClientId,
                                   client_location: &ClientLocation,
                                   clients: &Clients,
                                   item_state: &mut ItemState)
-                                  -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                  -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -273,7 +274,7 @@ where
         let mut entity_gateway = entity_gateway.clone();
         let mut item_state = item_state.clone();
         Box::pin(async move {
-            Ok::<_, ShipError>(match bank_interaction.action {
+            Ok::<_, anyhow::Error>(match bank_interaction.action {
                 BANK_ACTION_DEPOSIT => {
                     if bank_interaction.item_id == 0xFFFFFFFF {
                         deposit_meseta(&mut item_state, &mut entity_gateway, &client.character, bank_interaction.meseta_amount).await?;
@@ -320,7 +321,7 @@ pub async fn shop_request(id: ClientId,
                           clients: &Clients,
                           rooms: &Rooms,
                           shops: &ItemShops)
-                          -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                          -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 {
     //let client = clients.get_mut(&id).ok_or(ShipError::ClientNotFound(id))?;
     let room_id = client_location.get_room(id).await?;
@@ -397,7 +398,7 @@ pub async fn buy_item<EG>(id: ClientId,
                           client_location: &ClientLocation,
                           clients: &Clients,
                           item_state: &mut ItemState)
-                          -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                          -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -422,7 +423,7 @@ where
                     (item, remove)
                 },
                 _ => {
-                    return Err(ShipError::ShopError)
+                    return Err(ShipError::ShopError.into())
                 }
             };
 
@@ -439,7 +440,7 @@ where
                     _ => {}
                 }
             }
-            builder::message::create_withdrawn_inventory_item(area_client, &inventory_item)
+            Ok::<_, anyhow::Error>(builder::message::create_withdrawn_inventory_item(area_client, &inventory_item)?)
         })}).await??;
 
     let other_clients_in_area = client_location.get_client_neighbors(id).await?;
@@ -465,7 +466,7 @@ pub async fn request_tek_item<EG>(id: ClientId,
                                   entity_gateway: &mut EG,
                                   clients: &Clients,
                                   item_state: &mut ItemState)
-                                  -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                  -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -502,7 +503,7 @@ where
             });
 
             take_meseta(&mut item_state, &mut entity_gateway, &client.character.id, item::Meseta(100)).await?;
-            builder::message::tek_preview(ClientItemId(tek_request.item_id), &weapon)
+            Ok::<_, anyhow::Error>(builder::message::tek_preview(ClientItemId(tek_request.item_id), &weapon)?)
         })}).await??;
 
 
@@ -515,7 +516,7 @@ pub async fn accept_tek_item<EG>(id: ClientId,
                                  client_location: &ClientLocation,
                                  clients: &Clients,
                                  item_state: &mut ItemState)
-                                 -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                 -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {

src/ship/packet/handler/lobby.rs

@@ -16,7 +16,7 @@ pub async fn block_selected(id: ClientId,
                             pkt: MenuSelect,
                             clients: &Clients,
                             item_state: &ItemState)
-                            -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                            -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     clients.with_mut(id, |client| {
         let item_state = item_state.clone();
         Box::pin(async move {
@@ -34,8 +34,8 @@ pub async fn block_selected(id: ClientId,
                 .meseta(inventory.meseta)
                 .inventory(&inventory)
                 .bank(&bank)
-                .keyboard_config(&client.character.keyboard_config.as_bytes())
-                .gamepad_config(&client.character.gamepad_config.as_bytes())
+                .keyboard_config(&client.settings.settings.keyboard_config)
+                .gamepad_config(&client.settings.settings.gamepad_config)
                 .symbol_chat(&client.settings.settings.symbol_chats)
                 .tech_menu(&client.character.tech_menu.as_bytes())
                 .option_flags(client.character.option_flags)
@@ -57,7 +57,7 @@ pub async fn send_player_to_lobby(id: ClientId,
                                   clients: &Clients,
                                   item_state: &ItemState,
                                   event: ShipEvent)
-                                  -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                                  -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let lobby = client_location.add_client_to_next_available_lobby(id, LobbyId(0)).await.map_err(|_| ShipError::TooManyClients)?;
     let join_lobby = packet::builder::lobby::join_lobby(id, lobby, client_location, clients, item_state, event).await?;
     let addto = packet::builder::lobby::add_to_lobby(id, lobby, client_location, clients, item_state, event).await?;
@@ -77,7 +77,7 @@ pub async fn change_lobby<EG>(id: ClientId,
                               rooms: &Rooms,
                               entity_gateway: &mut EG,
                               event: ShipEvent)
-                              -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                              -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -134,7 +134,7 @@ where
 
 pub async fn remove_from_lobby(id: ClientId,
                                client_location: &mut ClientLocation)
-                               -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                               -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let area_client = client_location.get_local_client(id).await?;
     let neighbors = client_location.get_client_neighbors(id).await?;
     let leader = client_location.get_leader_by_client(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
@@ -150,7 +150,7 @@ pub async fn get_room_tab_info(id: ClientId,
                                pkt: MenuDetail,
                                client_location: &mut ClientLocation,
                                clients: &Clients)
-                               -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                               -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let room_id = RoomId(pkt.item as usize);
     let clients_in_room = client_location.get_clients_in_room(room_id).await.map_err(|err| -> ClientLocationError { err.into() })?;
     let room_info = if clients_in_room.is_empty() {
@@ -169,7 +169,7 @@ pub async fn get_room_tab_info(id: ClientId,
                      })).await
                  })).await
             .into_iter()
-            .collect::<Result<Vec<_>, ShipError>>()?
+            .collect::<Result<Vec<_>, anyhow::Error>>()?
             .join("\n")
     };
     Ok(vec![(id, SendShipPacket::SmallLeftDialog(SmallLeftDialog::new(room_info)))])

src/ship/packet/handler/message.rs

@@ -18,7 +18,7 @@ pub async fn request_exp<EG>(id: ClientId,
                              client_location: &ClientLocation,
                              clients: &Clients,
                              rooms: &Rooms)
-                             -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                             -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -29,7 +29,7 @@ where
     let enemy_exp = rooms.with(room_id, |room| Box::pin(async move {
         let monster = room.maps.enemy_by_id(enemy_id)?;
         let monster_stats = room.monster_stats.get(&monster.monster).ok_or_else(|| ShipError::UnknownMonster(monster.monster))?;
-        Ok::<_, ShipError>(monster_stats.exp)
+        Ok::<_, anyhow::Error>(monster_stats.exp)
     })).await??;
 
     let exp_gain = if request_exp.last_hitter == 1 {
@@ -59,7 +59,7 @@ where
         let (_, before_stats) = LEVEL_TABLE.get_stats_from_exp(char_class, exp);
         let (after_level, after_stats) = LEVEL_TABLE.get_stats_from_exp(char_class, exp + exp_gain);
 
-        let level_up_pkt = builder::message::character_leveled_up(area_client, after_level, before_stats, after_stats);
+        let level_up_pkt = builder::message::character_leveled_up(area_client, after_level-1, before_stats, after_stats);
         exp_pkts.extend(clients_in_area.into_iter()
                         .map(move |c| {
                             (c.client, SendShipPacket::Message(Message::new(GameMessage::PlayerLevelUp(level_up_pkt.clone()))))
@@ -83,7 +83,7 @@ pub async fn player_drop_item<EG>(id: ClientId,
                                   clients: &Clients,
                                   rooms: &Rooms,
                                   item_state: &mut ItemState)
-                            -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                            -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -112,7 +112,7 @@ pub async fn drop_coordinates(id: ClientId,
                               client_location: &ClientLocation,
                               clients: &Clients,
                               rooms: &Rooms)
-                              -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                              -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 {
     let room_id = client_location.get_room(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
     let map_area = rooms.with(room_id, |room| Box::pin(async move {
@@ -137,7 +137,7 @@ pub async fn no_longer_has_item<EG>(id: ClientId,
                                     client_location: &ClientLocation,
                                     clients: &Clients,
                                     item_state: &mut ItemState)
-                                    -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                    -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -150,7 +150,7 @@ where
     })).await?;
     if let Some(drop_location) = drop_location {
         if drop_location.item_id.0 != no_longer_has_item.item_id {
-            return Err(ShipError::DropInvalidItemId(no_longer_has_item.item_id));
+            return Err(ShipError::DropInvalidItemId(no_longer_has_item.item_id).into());
         }
 
         if no_longer_has_item.item_id == 0xFFFFFFFF {
@@ -218,7 +218,7 @@ where
            .collect())
     }
     else {
-        Err(ShipError::InvalidItem(ClientItemId(no_longer_has_item.item_id)))
+        Err(ShipError::InvalidItem(ClientItemId(no_longer_has_item.item_id)).into())
     }
 }
 
@@ -227,7 +227,7 @@ pub async fn update_player_position(id: ClientId,
                                     clients: &Clients,
                                     client_location: &ClientLocation,
                                     rooms: &Rooms)
-                                    -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                                    -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     if let Ok(room_id) = client_location.get_room(id).await.map_err(|err| -> ClientLocationError { err.into() }) {
         let msg = message.msg.clone();
         clients.with_mut(id, |client| {
@@ -291,7 +291,7 @@ pub async fn update_player_position(id: ClientId,
                     }
                     _ => {},
                 }
-                Ok::<_, ShipError>(())
+                Ok::<_, anyhow::Error>(())
             })}).await??;
     }
     Ok(client_location.get_client_neighbors(id).await?.into_iter()
@@ -307,7 +307,7 @@ pub async fn charge_attack<EG>(id: ClientId,
                                client_location: &ClientLocation,
                                clients: &Clients,
                                item_state: &mut ItemState)
-                               -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                               -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -333,7 +333,7 @@ pub async fn player_uses_item<EG>(id: ClientId,
                                   client_location: &ClientLocation,
                                   clients: &Clients,
                                   item_state: &mut ItemState)
-                                  -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                  -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -364,7 +364,7 @@ pub async fn player_used_medical_center<EG>(id: ClientId,
                                             client_location: &ClientLocation,
                                             clients: &Clients,
                                             item_state: &mut ItemState)
-                                            -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                            -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -390,7 +390,7 @@ pub async fn player_feed_mag<EG>(id: ClientId,
                                  client_location: &ClientLocation,
                                  clients: &Clients,
                                  item_state: &mut ItemState)
-                                 -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                 -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -415,7 +415,7 @@ pub async fn player_equips_item<EG>(id: ClientId,
                                     entity_gateway: &mut EG,
                                     clients: &Clients,
                                     item_state: &mut ItemState)
-                                    -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                    -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -440,7 +440,7 @@ pub async fn player_unequips_item<EG>(id: ClientId,
                                       entity_gateway: &mut EG,
                                       clients: &Clients,
                                       item_state: &mut ItemState)
-                                      -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                      -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -458,7 +458,7 @@ pub async fn player_sorts_items<EG>(id: ClientId,
                                     entity_gateway: &mut EG,
                                     clients: &Clients,
                                     item_state: &mut ItemState)
-                                    -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                    -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -488,7 +488,7 @@ pub async fn player_sells_item<EG> (id: ClientId,
                                     entity_gateway: &mut EG,
                                     clients: &Clients,
                                     item_state: &mut ItemState)
-                                    -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                    -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {

src/ship/packet/handler/quest.rs

@@ -4,7 +4,8 @@ use libpso::packet::ship::*;
 use crate::common::serverstate::ClientId;
 use crate::ship::ship::{SendShipPacket, ShipError, Clients, ShipEvent};
 use crate::ship::room::Rooms;
-use crate::ship::location::{ClientLocation, ClientLocationError};
+use crate::ship::map::enemy::RareMonsterAppearTable;
+use crate::ship::location::{ClientLocation};
 use crate::ship::packet::builder::quest;
 use libpso::util::array_to_utf8;
 
@@ -13,7 +14,7 @@ enum QuestFileType {
     Dat
 }
 
-fn parse_filename(filename_bytes: &[u8; 16]) -> Result<(u16, u16, QuestFileType), ShipError> {
+fn parse_filename(filename_bytes: &[u8; 16]) -> Result<(u16, u16, QuestFileType), anyhow::Error> {
     let filename = array_to_utf8(*filename_bytes).map_err(|_| ShipError::InvalidQuestFilename("NOT UTF8".to_string()))?;
     let (filename, suffix) = {
         let mut s = filename.splitn(2, '.');
@@ -24,7 +25,7 @@ fn parse_filename(filename_bytes: &[u8; 16]) -> Result<(u16, u16, QuestFileType)
     let datatype = match suffix {
         "bin" => QuestFileType::Bin,
         "dat" => QuestFileType::Dat,
-        _ => return Err(ShipError::InvalidQuestFilename(filename.to_owned()))
+        _ => Err(ShipError::InvalidQuestFilename(filename.to_owned()))?
     };
 
     let (category, quest) = {
@@ -41,8 +42,8 @@ pub async fn send_quest_category_list(id: ClientId,
                                       rql: RequestQuestList,
                                       client_location: &ClientLocation,
                                       rooms: &Rooms)
-                                      -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
-    let room_id = client_location.get_room(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
+                                      -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
+    let room_id = client_location.get_room(id).await?;
     let rql = rql.clone();
     rooms.with_mut(room_id, |room| Box::pin(async move {
         let qcl = quest::quest_category_list(&room.quests[rql.flag.clamp(0, (room.quests.len() - 1) as u32) as usize]);
@@ -55,8 +56,8 @@ pub async fn select_quest_category(id: ClientId,
                                    menuselect: MenuSelect,
                                    client_location: &ClientLocation,
                                    rooms: &Rooms)
-                                   -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
-    let room_id = client_location.get_room(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
+                                   -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
+    let room_id = client_location.get_room(id).await?;
     rooms.with(room_id, |room| Box::pin(async move {
         let (_, category_quests) = room.quests[room.quest_group.value()].iter()
             .nth(menuselect.item as usize)
@@ -72,8 +73,8 @@ pub async fn quest_detail(id: ClientId,
                           questdetailrequest: QuestDetailRequest,
                           client_location: &ClientLocation,
                           rooms: &Rooms)
-                          -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
-    let room_id = client_location.get_room(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
+                          -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
+    let room_id = client_location.get_room(id).await?;
     rooms.with(room_id, |room| Box::pin(async move {
         let (_, category_quests) = room.quests[room.quest_group.value()].iter()
             .nth(questdetailrequest.category as usize)
@@ -96,8 +97,8 @@ pub async fn player_chose_quest(id: ClientId,
                                 client_location: &ClientLocation,
                                 rooms: &Rooms,
                                 event: ShipEvent)
-                                -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
-    let room_id = client_location.get_room(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
+                                -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
+    let room_id = client_location.get_room(id).await?;
 
     let client_location = client_location.clone();
     let questmenuselect = questmenuselect.clone();
@@ -115,14 +116,14 @@ pub async fn player_chose_quest(id: ClientId,
                 .ok_or_else(|| ShipError::InvalidQuest(questmenuselect.quest))?
                 .clone();
 
-            let rare_monster_drops = room.rare_monster_table.clone();
-            room.maps.set_quest_data(quest.enemies.clone(), quest.objects.clone(), &rare_monster_drops, event);
+            let rare_monster_table = RareMonsterAppearTable::new(room.mode.episode());
+            room.maps.set_quest_data(quest.enemies.clone(), quest.objects.clone(), &rare_monster_table, event);
             room.map_areas = quest.map_areas.clone();
 
             let bin = quest::quest_header(&questmenuselect, &quest.bin_blob, "bin");
             let dat = quest::quest_header(&questmenuselect, &quest.dat_blob, "dat");
 
-            let area_clients = client_location.get_all_clients_by_client(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
+            let area_clients = client_location.get_all_clients_by_client(id).await?;
             for client in &area_clients {
                 clients.with_mut(client.client, |client| Box::pin(async move {
                     client.done_loading_quest = false;
@@ -141,9 +142,9 @@ pub async fn quest_file_request(id: ClientId,
                                 quest_file_request: QuestFileRequest,
                                 client_location: &ClientLocation,
                                 rooms: &mut Rooms)
-                                -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 {
-    let room_id = client_location.get_room(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
+    let room_id = client_location.get_room(id).await?;
 
     let quest_file_request = quest_file_request.clone();
     rooms.with(room_id, |room| Box::pin(async move {
@@ -175,8 +176,8 @@ pub async fn quest_chunk_ack(id: ClientId,
                              quest_chunk_ack: QuestChunkAck,
                              client_location: &ClientLocation,
                              rooms: &Rooms)
-                             -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
-    let room_id = client_location.get_room(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
+                             -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
+    let room_id = client_location.get_room(id).await?;
 
     let quest_chunk_ack = quest_chunk_ack.clone();
     rooms.with(room_id, |room| Box::pin(async move {
@@ -211,11 +212,11 @@ pub async fn quest_chunk_ack(id: ClientId,
 pub async fn done_loading_quest(id: ClientId,
                                 clients: &Clients,
                                 client_location: &ClientLocation)
-                                -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                                -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     clients.with_mut(id, |client| Box::pin(async move {
         client.done_loading_quest = true;
     })).await?;
-    let area_clients = client_location.get_all_clients_by_client(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
+    let area_clients = client_location.get_all_clients_by_client(id).await?;
 
     let all_loaded = area_clients.iter()
         .map(|client| 

src/ship/packet/handler/room.rs

@@ -1,36 +1,43 @@
 use std::convert::{TryFrom, Into};
 use futures::stream::StreamExt;
 
+use async_std::sync::Arc;
+
 use libpso::packet::ship::*;
 use libpso::packet::messages::*;
 use crate::common::serverstate::ClientId;
 use crate::common::leveltable::LEVEL_TABLE;
-use crate::ship::ship::{SendShipPacket, ShipError, Clients, ShipEvent};
-use crate::ship::room::Rooms;
+use crate::entity::character::SectionID;
+use crate::ship::drops::DropTable;
+use crate::ship::ship::{SendShipPacket, Clients, ShipEvent};
+use crate::ship::room::{Rooms, Episode, Difficulty, RoomState, RoomMode};
+use crate::ship::map::Maps;
 use crate::ship::location::{ClientLocation, RoomId, RoomLobby, GetAreaError};
 use crate::ship::packet::builder;
-use crate::ship::room;
 use crate::ship::items::state::ItemState;
 
+#[allow(clippy::too_many_arguments)]
 pub async fn create_room(id: ClientId,
                          create_room: CreateRoom,
                          client_location: &mut ClientLocation,
                          clients: &Clients,
                          item_state: &mut ItemState,
                          rooms: &Rooms,
+                         map_builder: Arc<Box<dyn Fn(RoomMode, ShipEvent) -> Maps + Send + Sync>>,
+                         drop_table_builder: Arc<Box<dyn Fn(Episode, Difficulty, SectionID) -> DropTable + Send + Sync>>,
                          event: ShipEvent)
-                         -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                         -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let level = clients.with(id, |client| Box::pin(async move {
         LEVEL_TABLE.get_level_from_exp(client.character.char_class, client.character.exp)
     })).await?;
-    match room::Difficulty::try_from(create_room.difficulty)? {
-        room::Difficulty::Ultimate if level < 80 => {
+    match Difficulty::try_from(create_room.difficulty)? {
+        Difficulty::Ultimate if level < 80 => {
             return Ok(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 80 \nto create Ultimate rooms.".into())))])
         },
-        room::Difficulty::VeryHard if level < 40 => {
+        Difficulty::VeryHard if level < 40 => {
             return Ok(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 40 \nto create Very Hard rooms.".into())))])
         },
-        room::Difficulty::Hard if level < 20 => {
+        Difficulty::Hard if level < 20 => {
             return Ok(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 20 \nto create Hard rooms.".into())))])
         },
         _ => {},
@@ -45,9 +52,9 @@ pub async fn create_room(id: ClientId,
         let mut item_state = item_state.clone();
         Box::pin(async move {
             item_state.add_character_to_room(room_id, &client.character, area_client).await;
-            let mut room = room::RoomState::from_create_room(&create_room, client.character.section_id, event)?;
+            let mut room = RoomState::from_create_room(&create_room, map_builder, drop_table_builder, client.character.section_id, event)?;
             room.bursting = true;
-            Ok::<_, ShipError>(room)
+            Ok::<_, anyhow::Error>(room)
         })}).await??;
 
     let join_room = builder::room::join_room(id, clients, client_location, room_id, &room, event).await?;
@@ -69,7 +76,7 @@ pub async fn create_room(id: ClientId,
 pub async fn room_name_request(id: ClientId,
                                client_location: &ClientLocation,
                                rooms: &Rooms)
-                               -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                               -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let area = client_location.get_area(id).await?;
     match area {
         RoomLobby::Room(room) => {
@@ -90,7 +97,7 @@ pub async fn join_room(id: ClientId,
                        item_state: &mut ItemState,
                        rooms: &Rooms,
                        event: ShipEvent)
-                       -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                       -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let room_id = RoomId(pkt.item as usize);
     if !rooms.exists(room_id).await {
         return Ok(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("This room no longer exists!".into())))])
@@ -103,13 +110,13 @@ pub async fn join_room(id: ClientId,
     })).await?;
 
     match difficulty {
-        room::Difficulty::Ultimate if level < 80 => {
+        Difficulty::Ultimate if level < 80 => {
             return Ok(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 80 \nto join Ultimate rooms.".into())))])
         },
-        room::Difficulty::VeryHard if level < 40 => {
+        Difficulty::VeryHard if level < 40 => {
             return Ok(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 40 \nto join Very Hard rooms.".into())))])
         },
-        room::Difficulty::Hard if level < 20 => {
+        Difficulty::Hard if level < 20 => {
             return Ok(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("You must be at least level 20 \nto join Hard rooms.".into())))])
         },
         _ => {},
@@ -171,7 +178,7 @@ pub async fn join_room(id: ClientId,
 pub async fn done_bursting(id: ClientId,
                            client_location: &ClientLocation,
                            rooms: &Rooms)
-                           -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                           -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let room_id = client_location.get_room(id).await?;
     let rare_monster_list = rooms.with_mut(room_id, |room| Box::pin(async move {
         room.bursting = false;
@@ -235,7 +242,7 @@ pub async fn request_room_list(id: ClientId,
 pub async fn cool_62(id: ClientId,
                      cool_62: Like62ButCooler,
                      client_location: &ClientLocation)
-                     -> Result<Vec<(ClientId, SendShipPacket)>, ShipError> {
+                     -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
     let target = cool_62.flag as u8;
     let cool_62 = cool_62.clone();
     Ok(client_location

src/ship/packet/handler/settings.rs

@@ -1,13 +1,13 @@
 use libpso::packet::ship::*;
 use crate::common::serverstate::ClientId;
-use crate::ship::ship::{SendShipPacket, ShipError, Clients};
+use crate::ship::ship::{SendShipPacket, Clients};
 use crate::entity::gateway::EntityGateway;
 
 pub async fn update_config<EG>(id: ClientId,
                                update_config: UpdateConfig,
                                clients: &Clients,
                                entity_gateway: &mut EG)
-                               -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                               -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -24,7 +24,7 @@ pub async fn save_options<EG>(id: ClientId,
                               save_options: SaveOptions,
                               clients: &Clients,
                               entity_gateway: &mut EG)
-                              -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                              -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -41,15 +41,15 @@ pub async fn keyboard_config<EG>(id: ClientId,
                                  keyboard_config: KeyboardConfig,
                                  clients: &Clients,
                                  entity_gateway: &mut EG)
-                                 -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                 -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
     clients.with_mut(id, |client| {
         let mut entity_gateway = entity_gateway.clone();
         Box::pin(async move {
-            client.character.keyboard_config.update(&keyboard_config);
-            entity_gateway.save_character(&client.character).await
+            client.settings.settings.keyboard_config = keyboard_config.keyboard_config;
+            entity_gateway.save_user_settings(&client.settings).await
         })}).await??;
     Ok(Vec::new())
 }
@@ -58,15 +58,15 @@ pub async fn gamepad_config<EG>(id: ClientId,
                                 gamepad_config: GamepadConfig,
                                 clients: &Clients,
                                 entity_gateway: &mut EG)
-                                -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
     clients.with_mut(id, |client| {
         let mut entity_gateway = entity_gateway.clone();
         Box::pin(async move {
-            client.character.gamepad_config.update(&gamepad_config);
-            entity_gateway.save_character(&client.character).await
+            client.settings.settings.gamepad_config = gamepad_config.gamepad_config;
+            entity_gateway.save_user_settings(&client.settings).await
         })}).await??;
     Ok(Vec::new())
 }

src/ship/packet/handler/trade.rs

@@ -3,7 +3,7 @@ use libpso::packet::ship::*;
 use libpso::packet::messages::*;
 use crate::common::serverstate::ClientId;
 use crate::ship::ship::{SendShipPacket, ShipError, Clients};
-use crate::ship::location::{ClientLocation, ClientLocationError};
+use crate::ship::location::{ClientLocation};
 use crate::ship::items::ClientItemId;
 use crate::ship::items::state::{ItemState, ItemStateError};
 use crate::ship::items::inventory::InventoryItemDetail;
@@ -57,9 +57,9 @@ async fn do_trade_action<F>(id: ClientId,
                             this: &mut ClientTradeState,
                             other: &mut ClientTradeState,
                             action: F)
-                            -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                            -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
-    F: Fn(&mut ClientTradeState, &mut ClientTradeState) -> Result<(), ShipError>,
+    F: Fn(&mut ClientTradeState, &mut ClientTradeState) -> Result<(), anyhow::Error>,
 {
     Ok(match action(this, other) {
         Ok(_) => {
@@ -92,7 +92,7 @@ pub async fn trade_request(id: ClientId,
                            clients: &Clients,
                            item_state: &mut ItemState,
                            trades: &mut TradeState)
-                           -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                           -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 {
     let trade_request = trade_request.clone(); // TODO: make this function take ownership of packet
     match trade_request.trade {
@@ -293,12 +293,12 @@ async fn inner_items_to_trade(id: ClientId,
                               clients: &Clients,
                               item_state: &mut ItemState,
                               trades: &mut TradeState)
-                              -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                              -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 {
     let pkts = trades
         .with(&id, |mut this, other| async move {
             if status_is_not(&this.status, &[TradeStatus::FinalConfirm]) || status_is_not(&other.status, &[TradeStatus::FinalConfirm, TradeStatus::ItemsChecked]) {
-                return Err(ShipError::from(TradeError::MismatchedStatus))
+                return Err(anyhow::Error::from(ShipError::from(TradeError::MismatchedStatus)))
             }
             let other_client = other.client();
             let (this_inventory, other_inventory) = clients.with(this.client(), |client| {
@@ -311,7 +311,7 @@ async fn inner_items_to_trade(id: ClientId,
                         Box::pin(async move {
                             item_state.get_character_inventory(&client.character).await
                         })}).await??;
-                    Ok::<_, ShipError>((this, other_inventory))
+                    Ok::<_, anyhow::Error>((this, other_inventory))
                 })}).await??;
 
             if items_to_trade.count as usize != (this.items.len() + usize::from(this.meseta != 0))  {
@@ -383,7 +383,7 @@ async fn inner_items_to_trade(id: ClientId,
                         }
                     }
                 })
-                .collect::<Result<Vec<_>, ShipError>>()?;
+                .collect::<Result<Vec<_>, anyhow::Error>>()?;
 
             this.status = TradeStatus::ItemsChecked;
             if this.status == TradeStatus::ItemsChecked && other.status == TradeStatus::ItemsChecked {
@@ -418,7 +418,7 @@ pub async fn items_to_trade(id: ClientId,
                             clients: &Clients,
                             item_state: &mut ItemState,
                             trades: &mut TradeState)
-                            -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                            -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 {
     let t = inner_items_to_trade(id, items_to_trade_pkt, client_location, clients, item_state, trades).await;
     match t {
@@ -443,7 +443,7 @@ async fn trade_confirmed_inner<EG>(id: ClientId,
                                        clients: &Clients,
                                        item_state: &mut ItemState,
                                        trades: &mut TradeState)
-                                       -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                       -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {
@@ -460,14 +460,14 @@ where
        .with(&id, |mut this, other| {
            async move {
                if status_is_not(&this.status, &[TradeStatus::ItemsChecked]) || status_is_not(&other.status, &[TradeStatus::ItemsChecked, TradeStatus::TradeComplete]) {
-                   return Err(ShipError::TradeError(TradeError::MismatchedStatus))
+                   return Err(anyhow::Error::from(ShipError::TradeError(TradeError::MismatchedStatus)))
                }
                this.status = TradeStatus::TradeComplete;
                
                if this.status == TradeStatus::TradeComplete && other.status == TradeStatus::TradeComplete {
                    let this_local_client = client_location.get_local_client(this.client()).await?;
                    let other_local_client = client_location.get_local_client(other.client()).await?;
-                   let room_id = client_location.get_room(id).await.map_err(|err| -> ClientLocationError { err.into() })?;
+                   let room_id = client_location.get_room(id).await?;
                    
                    Ok(TradeReady::BothPlayers(room_id,
                                               (this_local_client, /*this_client, */this.clone()),
@@ -584,7 +584,7 @@ pub async fn trade_confirmed<EG>(id: ClientId,
                                  clients: &Clients,
                                  item_state: &mut ItemState,
                                  trades: &mut TradeState)
-                                 -> Result<Vec<(ClientId, SendShipPacket)>, ShipError>
+                                 -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error>
 where
     EG: EntityGateway + Clone + 'static,
 {

src/ship/room.rs

@@ -13,12 +13,10 @@ use crate::ship::drops::DropTable;
 use crate::entity::character::SectionID;
 use crate::ship::monster::{load_monster_stats_table, MonsterType, MonsterStats};
 use crate::ship::map::area::MapAreaLookup;
-use crate::ship::map::enemy::RareMonsterAppearTable;
 use crate::ship::quests;
 use crate::ship::ship::{ShipError, ShipEvent};
 use crate::ship::location::{MAX_ROOMS, RoomId};
 
-
 #[derive(Clone)]
 pub struct Rooms([Arc<RwLock<Option<RoomState>>>; MAX_ROOMS]);
 
@@ -29,7 +27,7 @@ impl Default for Rooms {
 }
 
 impl Rooms {
-    pub async fn add(&self, room_id: RoomId, room: RoomState) -> Result<(), ShipError> {
+    pub async fn add(&self, room_id: RoomId, room: RoomState) -> Result<(), anyhow::Error> {
         *self.0
             .get(room_id.0)
             .ok_or_else(|| ShipError::InvalidRoom(room_id.0 as u32))?
@@ -58,7 +56,7 @@ impl Rooms {
         }
     }
     
-    pub async fn with<'a, T, F>(&'a self, room_id: RoomId, func: F) -> Result<T, ShipError>
+    pub async fn with<'a, T, F>(&'a self, room_id: RoomId, func: F) -> Result<T, anyhow::Error>
     where
         T: Send,
         F: for<'b> FnOnce(&'b RoomState) -> BoxFuture<'b, T> + Send + 'a
@@ -72,11 +70,11 @@ impl Rooms {
             Ok(func(room).await)
         }
         else {
-            Err(ShipError::InvalidRoom(room_id.0 as u32))
+            Err(ShipError::InvalidRoom(room_id.0 as u32).into())
         }
     }
 
-    pub async fn with_mut<'a, T, F>(&'a self, room_id: RoomId, func: F) -> Result<T, ShipError>
+    pub async fn with_mut<'a, T, F>(&'a self, room_id: RoomId, func: F) -> Result<T, anyhow::Error>
     where
         T: Send,
         F: for<'b> FnOnce(&'b mut RoomState) -> BoxFuture<'b, T> + Send + 'a
@@ -91,7 +89,7 @@ impl Rooms {
             Ok(func(room).await)
         }
         else {
-            Err(ShipError::InvalidRoom(room_id.0 as u32))
+            Err(ShipError::InvalidRoom(room_id.0 as u32).into())
         }
     }
     
@@ -135,6 +133,21 @@ pub enum Episode {
     Four,
 }
 
+#[derive(Debug, Copy, Clone)]
+pub enum PlayerMode{
+    Single,
+    Multi,
+}
+
+impl PlayerMode {
+    pub fn value(&self) -> u8 {
+        match self {
+            PlayerMode::Single => 1,
+            PlayerMode::Multi => 0,
+        }
+    }
+}
+
 impl TryFrom<u8> for Episode {
     type Error = RoomCreationError;
 
@@ -245,24 +258,18 @@ impl RoomMode {
         }
     }
 
-    pub fn battle(&self) -> u8 {
-        match self {
-            RoomMode::Battle {..} => 1,
-            _ => 0,
-        }
+    pub fn battle(&self) -> bool {
+        matches!(self, RoomMode::Battle {..})
     }
 
-    pub fn challenge(&self) -> u8 {
-        match self {
-            RoomMode::Challenge {..} => 1,
-            _ => 0,
-        }
+    pub fn challenge(&self) -> bool {
+        matches!(self, RoomMode::Challenge {..})
     }
 
-    pub fn single_player(&self) -> u8 {
+    pub fn player_mode(&self) -> PlayerMode {
         match self {
-            RoomMode::Single {..} => 1,
-            _ => 0,
+            RoomMode::Single {..} => PlayerMode::Single,
+            _ => PlayerMode::Multi,
         }
     }
 }
@@ -295,13 +302,12 @@ pub struct RoomState {
     pub name: String,
     pub password: [u16; 16],
     pub maps: Maps,
-    pub drop_table: Box<DropTable<rand_chacha::ChaCha20Rng>>,
+    pub drop_table: Box<DropTable>,
     pub section_id: SectionID,
     pub random_seed: u32,
     pub bursting: bool,
     pub monster_stats: Box<HashMap<MonsterType, MonsterStats>>,
     pub map_areas: MapAreaLookup,
-    pub rare_monster_table: Box<RareMonsterAppearTable>,
     pub quest_group: QuestCategoryType,
     pub quests: Vec<quests::QuestList>,
     // items on ground
@@ -343,7 +349,12 @@ impl RoomState {
         self.quest_group = QuestCategoryType::from(group);
     }
 
-    pub fn from_create_room(create_room: &libpso::packet::ship::CreateRoom, section_id: SectionID, event: ShipEvent) -> Result<RoomState, RoomCreationError> {
+    pub fn from_create_room(create_room: &libpso::packet::ship::CreateRoom,
+                            map_builder: Arc<Box<dyn Fn(RoomMode, ShipEvent) -> Maps + Send + Sync>>,
+                            drop_table_builder: Arc<Box<dyn Fn(Episode, Difficulty, SectionID) -> DropTable + Send + Sync>>,
+                            section_id: SectionID,
+                            event: ShipEvent)
+                            -> Result<RoomState, RoomCreationError> {
         if [create_room.battle, create_room.challenge, create_room.single_player].iter().sum::<u8>() > 1 {
             return Err(RoomCreationError::InvalidMode)
         }
@@ -372,7 +383,6 @@ impl RoomState {
             }
         };
 
-        let rare_monster_table = RareMonsterAppearTable::new(room_mode.episode());
 
         // push the usual set of quests for the selected mode
         let mut qpath = PathBuf::from("data/quests/bb");
@@ -401,18 +411,15 @@ impl RoomState {
             room_quests.push(quest_list);
         }
 
-
-
         Ok(RoomState {
             monster_stats: Box::new(load_monster_stats_table(&room_mode).map_err(|_| RoomCreationError::CouldNotLoadMonsterStats(room_mode))?),
             mode: room_mode,
             random_seed: rand::thread_rng().gen(),
-            rare_monster_table: Box::new(rare_monster_table.clone()),
             name: String::from_utf16_lossy(&create_room.name).trim_matches(char::from(0)).into(),
             password: create_room.password,
-            maps: Maps::new(room_mode, &rare_monster_table, event),
+            maps: map_builder(room_mode, event),
             section_id,
-            drop_table: Box::new(DropTable::new(room_mode.episode(), room_mode.difficulty(), section_id)),
+            drop_table: Box::new(drop_table_builder(room_mode.episode(), room_mode.difficulty(), section_id)),
             bursting: false,
             map_areas: MapAreaLookup::new(&room_mode.episode()),
             quest_group: QuestCategoryType::Standard,

src/ship/ship.rs

@@ -4,7 +4,6 @@ use std::collections::HashMap;
 
 use async_std::channel;
 use async_std::sync::{Arc, Mutex, RwLock};
-
 use rand::Rng;
 use thiserror::Error;
 
@@ -13,24 +12,19 @@ use libpso::packet::login::{RedirectClient, Login, LoginResponse, ShipList};
 use libpso::packet::messages::*;
 use libpso::{PacketParseError, PSOPacket};
 use libpso::crypto::bb::PSOBBCipher;
-
 use libpso::packet::ship::{BLOCK_MENU_ID, ROOM_MENU_ID};
 
-
 use crate::common::cipherkeys::{ELSEWHERE_PRIVATE_KEY, ELSEWHERE_PARRAY};
 use crate::common::serverstate::{SendServerPacket, RecvServerPacket, ServerState, OnConnect, ClientId};
 use crate::common::interserver::{AuthToken, Ship, ServerId, InterserverActor, LoginMessage, ShipMessage};
-
 use crate::login::character::SHIP_MENU_ID;
-
 use crate::entity::gateway::{EntityGateway, GatewayError};
 use crate::entity::character::SectionID;
-
 use crate::ship::location::{ClientLocation, RoomLobby, ClientLocationError, RoomId};
-
+use crate::ship::drops::DropTable;
 use crate::ship::items;
 use crate::ship::room;
-use crate::ship::map::{MapsError, MapAreaError};
+use crate::ship::map::{Maps, MapsError, MapAreaError, generate_free_roam_maps};
 use crate::ship::packet::handler;
 use crate::ship::shops::{WeaponShop, ToolShop, ArmorShop};
 use crate::ship::trade::TradeState;
@@ -162,11 +156,13 @@ pub enum ShipError {
     SendError(#[from] async_std::channel::SendError<ShipMessage>),
 }
 
+/*
 impl<I: Into<ClientLocationError>> From<I> for ShipError {
     fn from(other: I) -> ShipError {
         ShipError::ClientLocationError(other.into())
     }
 }
+*/
 
 
 #[derive(Debug)]
@@ -375,6 +371,8 @@ pub struct ShipServerStateBuilder<EG: EntityGateway + Clone + 'static> {
     port: Option<u16>,
     auth_token: Option<AuthToken>,
     event: Option<ShipEvent>,
+    map_builder: Option<Box<dyn Fn(room::RoomMode, ShipEvent) -> Maps + Send + Sync>>,
+    drop_table_builder: Option<Box<dyn Fn(room::Episode, room::Difficulty, SectionID) -> DropTable + Send + Sync>>,
     num_blocks: usize,
 }
 
@@ -387,6 +385,8 @@ impl<EG: EntityGateway + Clone + 'static> Default for ShipServerStateBuilder<EG>
             port: None,
             auth_token: None,
             event: None,
+            map_builder: None,
+            drop_table_builder: None,
             num_blocks: 2,
         }
     }
@@ -429,6 +429,18 @@ impl<EG: EntityGateway + Clone + 'static> ShipServerStateBuilder<EG> {
         self
     }
 
+    #[must_use]
+    pub fn map_builder(mut self, map_builder: Box<dyn Fn(room::RoomMode, ShipEvent) -> Maps + Send + Sync>) -> ShipServerStateBuilder<EG> {
+        self.map_builder = Some(map_builder);
+        self
+    }
+
+    #[must_use]
+    pub fn drop_table_builder(mut self, drop_table_builder: Box<dyn Fn(room::Episode, room::Difficulty, SectionID) -> DropTable + Send + Sync>) -> ShipServerStateBuilder<EG> {
+        self.drop_table_builder = Some(drop_table_builder);
+        self
+    }
+
     #[must_use]
     pub fn blocks(mut self, num_blocks: usize) -> ShipServerStateBuilder<EG> {
         self.num_blocks = num_blocks;
@@ -447,6 +459,8 @@ impl<EG: EntityGateway + Clone + 'static> ShipServerStateBuilder<EG> {
             shops: ItemShops::default(),
             blocks: Blocks(blocks),
             event: self.event.unwrap_or(ShipEvent::None),
+            map_builder: Arc::new(self.map_builder.unwrap_or(Box::new(generate_free_roam_maps))),
+            drop_table_builder: Arc::new(self.drop_table_builder.unwrap_or(Box::new(DropTable::new))),
 
             auth_token: self.auth_token.unwrap_or_else(|| AuthToken("".into())),
             ship_list: Arc::new(RwLock::new(Vec::new())),
@@ -467,13 +481,13 @@ pub struct Block {
 pub struct Blocks(pub Vec<Block>);
 
 impl Blocks {
-    async fn get_from_client(&mut self, id: ClientId, clients: &Clients) -> Result<&mut Block, ShipError> {
+    async fn get_from_client(&mut self, id: ClientId, clients: &Clients) -> Result<&mut Block, anyhow::Error> {
         let block = clients.with(id, |client| Box::pin(async move {
             client.block
         })).await?;
         self.0
             .get_mut(block)
-            .ok_or_else(|| ShipError::InvalidBlock(block))
+            .ok_or_else(|| ShipError::InvalidBlock(block).into())
     }
 
 }
@@ -495,6 +509,8 @@ pub struct ShipServerState<EG: EntityGateway + Clone + 'static> {
     ship_list: Arc<RwLock<Vec<Ship>>>,
     shipgate_sender: Option<channel::Sender<ShipMessage>>,
     trades: TradeState,
+    map_builder: Arc<Box<dyn Fn(room::RoomMode, ShipEvent) -> Maps + Send + Sync>>,
+    drop_table_builder: Arc<Box<dyn Fn(room::Episode, room::Difficulty, SectionID) -> DropTable + Send + Sync>>,
 }
 
 impl<EG: EntityGateway + Clone + 'static> ShipServerState<EG> {
@@ -665,12 +681,12 @@ impl<EG: EntityGateway + Clone> ServerState for ShipServerState<EG> {
                 let block = self.blocks.get_from_client(id, &self.clients).await?;
                 match menuselect.menu {
                     SHIP_MENU_ID => {
-                        let leave_lobby = handler::lobby::remove_from_lobby(id, &mut block.client_location).await.into_iter().into_iter().flatten();
+                        let leave_lobby = handler::lobby::remove_from_lobby(id, &mut block.client_location).await.into_iter().flatten();
                         let select_ship = handler::ship::selected_ship(id, menuselect, &self.ship_list).await?;
                         leave_lobby.chain(select_ship).collect()
                     }
                     BLOCK_MENU_ID => {
-                        let leave_lobby = handler::lobby::remove_from_lobby(id, &mut block.client_location).await.into_iter().into_iter().flatten();
+                        let leave_lobby = handler::lobby::remove_from_lobby(id, &mut block.client_location).await.into_iter().flatten();
                         let select_block = handler::lobby::block_selected(id, menuselect, &self.clients, &self.item_state).await?.into_iter();
                         leave_lobby.chain(select_block).collect()
                     }
@@ -721,7 +737,7 @@ impl<EG: EntityGateway + Clone> ServerState for ShipServerState<EG> {
             },
             RecvShipPacket::CreateRoom(create_room) => {
                 let block = self.blocks.get_from_client(id, &self.clients).await?;
-                handler::room::create_room(id, create_room, &mut block.client_location, &self.clients, &mut self.item_state, &block.rooms, self.event).await?
+                handler::room::create_room(id, create_room, &mut block.client_location, &self.clients, &mut self.item_state, &block.rooms, self.map_builder.clone(), self.drop_table_builder.clone(), self.event).await?
             },
             RecvShipPacket::RoomNameRequest(_req) => {
                 let block = self.blocks.get_from_client(id, &self.clients).await?;
@@ -834,6 +850,8 @@ impl<EG: EntityGateway + Clone> ServerState for ShipServerState<EG> {
             self.item_state.remove_character_from_room(&client.character).await
         }
 
+        block.client_location.remove_client_from_area(id).await?;
+
         Ok(neighbors.into_iter().map(|n| {
             (n.client, pkt.clone())
         }).collect())

tests/common.rs

@@ -13,6 +13,7 @@ use libpso::packet::login::{Login, Session};
 use libpso::{utf8_to_array, utf8_to_utf16_array};
 
 
+//TODO: remove kb_conf_preset
 pub async fn new_user_character<EG: EntityGateway + Clone>(entity_gateway: &mut EG, username: &str, password: &str, kb_conf_preset: usize) -> (UserAccountEntity, CharacterEntity) {
     let new_user = NewUserAccountEntity {
         email: format!("{}@pso.com", username),
@@ -26,7 +27,7 @@ pub async fn new_user_character<EG: EntityGateway + Clone>(entity_gateway: &mut
     let user = entity_gateway.create_user(new_user).await.unwrap();
     let new_settings = NewUserSettingsEntity::new(user.id);
     let _settings = entity_gateway.create_user_settings(new_settings).await.unwrap();
-    let new_character = NewCharacterEntity::new(user.id, kb_conf_preset);
+    let new_character = NewCharacterEntity::new(user.id);
     let character = entity_gateway.create_character(new_character).await.unwrap();
     entity_gateway.set_character_meseta(&character.id, Meseta(0)).await.unwrap();
     entity_gateway.set_bank_meseta(&character.id, &BankName("".into()), Meseta(0)).await.unwrap();

tests/test_character.rs

@@ -31,26 +31,6 @@ async fn test_save_options() {
     assert!(char.option_flags == 12345);
 }
 
-#[async_std::test]
-async fn test_default3_keyboard_mappings() {
-    /*
-    check if keyboard is set to default3 when specified. this will only occur for things like creating characters from the web page.
-    normal client behaviour will simply use default1 when creating a character.
-    gamepad only has 1 default config
-    */
-    let mut entity_gateway = InMemoryGateway::default();
-    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a", 3).await;
-    assert!(char1.keyboard_config.as_bytes() == DEFAULT_KEYBOARD_CONFIG3);
-}
-
-#[async_std::test]
-async fn test_invalid_keyboard_preset_value() {
-    // check if keyboard_config self-corrects to DEFAULT1 if an invalid value (>4) is given
-    let mut entity_gateway = InMemoryGateway::default();
-    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a", 10).await;
-    assert!(char1.keyboard_config.as_bytes() == DEFAULT_KEYBOARD_CONFIG1);
-}
-
 #[async_std::test]
 async fn test_change_keyboard_mappings() {
     let mut entity_gateway = InMemoryGateway::default();
@@ -63,7 +43,8 @@ async fn test_change_keyboard_mappings() {
     log_in_char(&mut ship, ClientId(1), "a1", "a").await;
     join_lobby(&mut ship, ClientId(1)).await;
 
-    assert!(char1.keyboard_config.as_bytes() == DEFAULT_KEYBOARD_CONFIG2);
+    let settings = entity_gateway.get_user_settings_by_user(&user1).await.unwrap();
+    assert!(settings.settings.keyboard_config == DEFAULT_KEYBOARD_CONFIG1);
 
     // update from default2 to default4
     // the client simply sends the full 364 bytes...
@@ -95,8 +76,6 @@ async fn test_change_keyboard_mappings() {
         ],
     })).await.unwrap();
 
-    let characters = entity_gateway.get_characters_by_user(&user1).await.unwrap();
-    let char = characters[0].as_ref().unwrap();
-
-    assert!(char.keyboard_config.as_bytes() == DEFAULT_KEYBOARD_CONFIG4);
+    let settings = entity_gateway.get_user_settings_by_user(&user1).await.unwrap();
+    assert!(settings.settings.keyboard_config == DEFAULT_KEYBOARD_CONFIG4);
 }

tests/test_exp_gain.rs

@@ -4,6 +4,10 @@ use elseware::common::leveltable::CharacterLevelTable;
 use elseware::ship::ship::{ShipServerState, SendShipPacket, RecvShipPacket};
 use elseware::ship::monster::MonsterType;
 use elseware::ship::location::RoomId;
+use elseware::ship::map::variant::{MapVariant, MapVariantMode};
+use elseware::ship::map::maps::Maps;
+use elseware::ship::map::area::MapArea;
+use elseware::ship::map::enemy::MapEnemy;
 
 use libpso::packet::ship::*;
 use libpso::packet::messages::*;
@@ -20,35 +24,29 @@ async fn test_character_gains_exp() {
 
     let mut ship = Box::new(ShipServerState::builder()
                             .gateway(entity_gateway.clone())
+                            .map_builder(Box::new(|_room_mode, _event| {
+                                Maps::new(
+                                    vec![MapVariant::new(MapArea::Forest2, MapVariantMode::Online)],
+                                    vec![Some(MapEnemy::new(MonsterType::Hildebear, MapArea::Forest2))],
+                                    Vec::new(),
+                                )
+                            }))
                             .build());
     log_in_char(&mut ship, ClientId(1), "a1", "a").await;
     join_lobby(&mut ship, ClientId(1)).await;
     create_room(&mut ship, ClientId(1), "room", "").await;
 
-    let (enemy_id, exp) = {
-        //let room = ship.blocks.0[0].rooms.get(RoomId(0)).as_ref().unwrap();
-        ship.blocks.0[0].rooms.with(RoomId(0), |room| Box::pin(async move {
-            let (enemy_id, map_enemy) = (0..).filter_map(|i| {
-                room.maps.enemy_by_id(i).map(|enemy| {
-                    (i, enemy)
-                }).ok()
-            }).next().unwrap();
-            let map_enemy_stats = room.monster_stats.get(&map_enemy.monster).unwrap();
-            (enemy_id, map_enemy_stats.exp)
-        })).await.unwrap()
-    };
-
     ship.handle(ClientId(1), RecvShipPacket::Message(Message::new(GameMessage::RequestExp(RequestExp {
-        client: enemy_id as u8,
+        client: 0,
         target: 16,
-        enemy_id: enemy_id as u16,
+        enemy_id: 0,
         client_id: 0,
         unused: 0,
         last_hitter: 1,
     })))).await.unwrap();
 
     ship.clients.with(ClientId(1), |client| Box::pin(async move {
-        assert!(exp == client.character.exp);
+        assert!(13 == client.character.exp);
     })).await.unwrap();
 }
 
@@ -62,29 +60,28 @@ async fn test_character_levels_up() {
 
     let mut ship = Box::new(ShipServerState::builder()
                             .gateway(entity_gateway.clone())
+                            .map_builder(Box::new(|_room_mode, _event| {
+                                Maps::new(
+                                    vec![MapVariant::new(MapArea::Forest2, MapVariantMode::Online)],
+                                    vec![Some(MapEnemy::new(MonsterType::Hildebear, MapArea::Forest2))],
+                                    Vec::new(),
+                                )
+                            }))
                             .build());
     log_in_char(&mut ship, ClientId(1), "a1", "a").await;
     join_lobby(&mut ship, ClientId(1)).await;
     create_room(&mut ship, ClientId(1), "room", "").await;
 
-    let enemy_id = ship.blocks.0[0].rooms.with(RoomId(0), |room| Box::pin(async move {
-        (0..).filter_map(|i| {
-            room.maps.enemy_by_id(i).map(|_| {
-                i
-            }).ok()
-        }).next().unwrap()
-    })).await.unwrap();
-
     let levelup_pkt = ship.handle(ClientId(1), RecvShipPacket::Message(Message::new(GameMessage::RequestExp(RequestExp {
-        client: enemy_id as u8,
+        client: 0 as u8,
         target: 16,
-        enemy_id: enemy_id as u16,
+        enemy_id: 0 as u16,
         client_id: 0,
         unused: 0,
         last_hitter: 1,
     })))).await.unwrap();
 
-    assert!(matches!(levelup_pkt[1].1, SendShipPacket::Message(Message {msg: GameMessage::PlayerLevelUp(PlayerLevelUp {lvl: 2, ..})})));
+    assert!(matches!(levelup_pkt[1].1, SendShipPacket::Message(Message {msg: GameMessage::PlayerLevelUp(PlayerLevelUp {lvl: 1, ..})})));
 
     let leveltable = CharacterLevelTable::default();
     ship.clients.with(ClientId(1), |client| Box::pin(async move {
@@ -100,41 +97,31 @@ async fn test_character_levels_up_multiple_times() {
 
     let mut ship = Box::new(ShipServerState::builder()
                             .gateway(entity_gateway.clone())
+                            .map_builder(Box::new(|_room_mode, _event| {
+                                Maps::new(
+                                    vec![MapVariant::new(MapArea::DarkFalz, MapVariantMode::Online)],
+                                    vec![Some(MapEnemy::new(MonsterType::DarkFalz2, MapArea::DarkFalz))],
+                                    Vec::new(),
+                                )
+                            }))
                             .build());
     log_in_char(&mut ship, ClientId(1), "a1", "a").await;
     join_lobby(&mut ship, ClientId(1)).await;
     create_room(&mut ship, ClientId(1), "room", "").await;
 
-    let (enemy_id, exp) = {
-        ship.blocks.0[0].rooms.with(RoomId(0), |room| Box::pin(async move {
-            let (enemy_id, map_enemy) = (0..).filter_map(|i| {
-                room.maps.enemy_by_id(i).ok().and_then(|enemy| {
-                    if enemy.monster == MonsterType::DarkFalz2 {
-                        Some((i, enemy))
-                    }
-                    else {
-                        None
-                    }
-                })
-            }).next().unwrap();
-            let map_enemy_stats = room.monster_stats.get(&map_enemy.monster).unwrap();
-            (enemy_id, map_enemy_stats.exp)
-        })).await.unwrap()
-    };
-
     let levelup_pkt = ship.handle(ClientId(1), RecvShipPacket::Message(Message::new(GameMessage::RequestExp(RequestExp {
-        client: enemy_id as u8,
+        client: 0 as u8,
         target: 16,
-        enemy_id: enemy_id as u16,
+        enemy_id: 0 as u16,
         client_id: 0,
         unused: 0,
         last_hitter: 1,
     })))).await.unwrap();
 
-    assert!(matches!(levelup_pkt[1].1, SendShipPacket::Message(Message {msg: GameMessage::PlayerLevelUp(PlayerLevelUp {lvl: 8, ..})})));
+    assert!(matches!(levelup_pkt[1].1, SendShipPacket::Message(Message {msg: GameMessage::PlayerLevelUp(PlayerLevelUp {lvl: 7, ..})})));
 
     ship.clients.with(ClientId(1), |client| Box::pin(async move {
-        assert!(exp == client.character.exp);
+        assert!(3000 == client.character.exp);
     })).await.unwrap();
 }
 
@@ -147,6 +134,13 @@ async fn test_one_character_gets_full_exp_and_other_attacker_gets_partial() {
 
     let mut ship = Box::new(ShipServerState::builder()
                             .gateway(entity_gateway.clone())
+                            .map_builder(Box::new(|_room_mode, _event| {
+                                Maps::new(
+                                    vec![MapVariant::new(MapArea::Forest2, MapVariantMode::Online)],
+                                    vec![Some(MapEnemy::new(MonsterType::Hildebear, MapArea::Forest2))],
+                                    Vec::new(),
+                                )
+                            }))
                             .build());
     log_in_char(&mut ship, ClientId(1), "a1", "a").await;
     log_in_char(&mut ship, ClientId(2), "a2", "a").await;
@@ -157,43 +151,28 @@ async fn test_one_character_gets_full_exp_and_other_attacker_gets_partial() {
     create_room(&mut ship, ClientId(1), "room", "").await;
     join_room(&mut ship, ClientId(2), 0).await;
 
-    let (enemy_id, exp) = ship.blocks.0[0].rooms.with(RoomId(0), |room| Box::pin(async move {
-        let (enemy_id, map_enemy) = (0..).filter_map(|i| {
-            room.maps.enemy_by_id(i).ok().and_then(|enemy| {
-                if enemy.monster == MonsterType::DarkFalz2 {
-                    Some((i, enemy))
-                }
-                else {
-                    None
-                }
-            })
-        }).next().unwrap();
-        let map_enemy_stats = room.monster_stats.get(&map_enemy.monster).unwrap();
-        (enemy_id, map_enemy_stats.exp)
-    })).await.unwrap();
-
     ship.handle(ClientId(1), RecvShipPacket::Message(Message::new(GameMessage::RequestExp(RequestExp {
-        client: enemy_id as u8,
+        client: 0,
         target: 16,
-        enemy_id: enemy_id as u16,
+        enemy_id: 0,
         client_id: 0,
         unused: 0,
         last_hitter: 1,
     })))).await.unwrap();
 
     ship.handle(ClientId(2), RecvShipPacket::Message(Message::new(GameMessage::RequestExp(RequestExp {
-        client: enemy_id as u8,
+        client: 0,
         target: 16,
-        enemy_id: enemy_id as u16,
+        enemy_id: 0,
         client_id: 0,
         unused: 0,
         last_hitter: 0,
     })))).await.unwrap();
 
     ship.clients.with(ClientId(1), |client| Box::pin(async move {
-        assert!(client.character.exp == exp);
+        assert_eq!(client.character.exp, 13);
     })).await.unwrap();
     ship.clients.with(ClientId(2), |client| Box::pin(async move {
-        assert!(client.character.exp == (exp as f32 * 0.8) as u32);
+        assert_eq!(client.character.exp, 10);
     })).await.unwrap();
 }

tests/test_item_drop.rs

@@ -0,0 +1,210 @@
+use elseware::common::serverstate::{ClientId, ServerState};
+use elseware::entity::gateway::{EntityGateway, InMemoryGateway};
+use elseware::entity::character::SectionID;
+use elseware::common::leveltable::CharacterLevelTable;
+use elseware::ship::ship::{ShipServerState, SendShipPacket, RecvShipPacket};
+use elseware::ship::room::{Episode, Difficulty};
+use elseware::ship::monster::MonsterType;
+use elseware::ship::location::RoomId;
+use elseware::ship::drops::{DropTable, MonsterDropStats, MonsterDropType};
+use elseware::ship::drops::rare_drop_table::{RareDropTable, RareDropRate, RareDropItem};
+use elseware::ship::map::{Maps, MapVariant, MapArea, MapVariantMode, MapEnemy};
+use elseware::entity::item::weapon::WeaponType;
+
+use libpso::packet::ship::*;
+use libpso::packet::messages::*;
+
+#[path = "common.rs"]
+mod common;
+use common::*;
+
+#[async_std::test]
+async fn test_enemy_drops_item() {
+    let mut entity_gateway = InMemoryGateway::default();
+    let (_user1, _char1) = new_user_character(&mut entity_gateway, "a1", "a", 1).await;
+
+    let mut ship = Box::new(ShipServerState::builder()
+                            .gateway(entity_gateway.clone())
+                            .map_builder(Box::new(|_room_mode, _event| {
+                                Maps::new(
+                                    vec![MapVariant::new(MapArea::Forest2, MapVariantMode::Online)],
+                                    vec![Some(MapEnemy::new(MonsterType::Hildebear, MapArea::Forest2))],
+                                    Vec::new(),
+                                )
+                            }))
+                            .drop_table_builder(Box::new(|episode, difficulty, section_id| {
+                                DropTable::builder()
+                                    .monster_stat(MonsterType::Hildebear, MonsterDropStats {
+                                        dar: 100,
+                                        drop_type: MonsterDropType::Weapon,
+                                        min_meseta: 0,
+                                        max_meseta: 0,
+                                    })
+                                    .rare_table(RareDropTable::builder()
+                                                .rate(MonsterType::Hildebear, RareDropRate {
+                                                    rate: 1.0,
+                                                    item: RareDropItem::Weapon(WeaponType::DarkFlow)
+                                                })
+                                                .build(episode, difficulty, section_id))
+                                    .build(episode, difficulty, section_id)
+                            }))
+                            .build());
+    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
+    join_lobby(&mut ship, ClientId(1)).await;
+    create_room(&mut ship, ClientId(1), "room", "").await;
+
+    let pkt = ship.handle(ClientId(1), RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::RequestItem(RequestItem {
+        client: 0,
+        target: 0,
+        map_area: 2,
+        pt_index: 0,
+        enemy_id: 0,
+        x: 0.0,
+        z: 0.0,
+        y: 0.0,
+    })))).await.unwrap();
+
+    match &pkt[0].1 {
+        SendShipPacket::Message(Message{msg: GameMessage::ItemDrop(item_drop)}) => {
+            assert_eq!(item_drop.item_id, 0x810001);
+            assert_eq!(item_drop.item_bytes[1], 0x9D);
+        },
+        _ => panic!(),
+    }
+}
+
+#[async_std::test]
+async fn test_enemy_drops_item_for_two_players() {
+    let mut entity_gateway = InMemoryGateway::default();
+    let (_user1, _char1) = new_user_character(&mut entity_gateway, "a1", "a", 1).await;
+    let (_user2, _char2) = new_user_character(&mut entity_gateway, "a2", "a", 1).await;
+
+    let mut ship = Box::new(ShipServerState::builder()
+                            .gateway(entity_gateway.clone())
+                            .map_builder(Box::new(|_room_mode, _event| {
+                                Maps::new(
+                                    vec![MapVariant::new(MapArea::Forest2, MapVariantMode::Online)],
+                                    vec![Some(MapEnemy::new(MonsterType::Hildebear, MapArea::Forest2))],
+                                    Vec::new(),
+                                )
+                            }))
+                            .drop_table_builder(Box::new(|episode, difficulty, section_id| {
+                                DropTable::builder()
+                                    .monster_stat(MonsterType::Hildebear, MonsterDropStats {
+                                        dar: 100,
+                                        drop_type: MonsterDropType::Weapon,
+                                        min_meseta: 0,
+                                        max_meseta: 0,
+                                    })
+                                    .rare_table(RareDropTable::builder()
+                                                .rate(MonsterType::Hildebear, RareDropRate {
+                                                    rate: 1.0,
+                                                    item: RareDropItem::Weapon(WeaponType::DarkFlow)
+                                                })
+                                                .build(episode, difficulty, section_id))
+                                    .build(episode, difficulty, section_id)
+                            }))
+                            .build());
+    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
+    log_in_char(&mut ship, ClientId(2), "a2", "a").await;
+    join_lobby(&mut ship, ClientId(1)).await;
+    join_lobby(&mut ship, ClientId(2)).await;
+    create_room(&mut ship, ClientId(1), "room", "").await;
+    join_room(&mut ship, ClientId(2), 0).await;
+
+    let pkt = ship.handle(ClientId(1), RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::RequestItem(RequestItem {
+        client: 0,
+        target: 0,
+        map_area: 2,
+        pt_index: 0,
+        enemy_id: 0,
+        x: 0.0,
+        z: 0.0,
+        y: 0.0,
+    })))).await.unwrap();
+
+    assert_eq!(pkt[0].0, ClientId(1));
+    match &pkt[0].1 {
+        SendShipPacket::Message(Message{msg: GameMessage::ItemDrop(item_drop)}) => {
+            assert_eq!(item_drop.item_id, 0x810001);
+            assert_eq!(item_drop.item_bytes[1], 0x9D);
+        },
+        _ => panic!(),
+    }
+    assert_eq!(pkt[1].0, ClientId(2));
+    match &pkt[1].1 {
+        SendShipPacket::Message(Message{msg: GameMessage::ItemDrop(item_drop)}) => {
+            assert_eq!(item_drop.item_id, 0x810002);
+            assert_eq!(item_drop.item_bytes[1], 0x9D);
+        },
+        _ => panic!(),
+    }
+}
+
+#[async_std::test]
+async fn test_enemy_drops_item_for_two_players_and_pick_up() {
+    let mut entity_gateway = InMemoryGateway::default();
+    let (_user1, _char1) = new_user_character(&mut entity_gateway, "a1", "a", 1).await;
+    let (_user2, _char2) = new_user_character(&mut entity_gateway, "a2", "a", 1).await;
+
+    let mut ship = Box::new(ShipServerState::builder()
+                            .gateway(entity_gateway.clone())
+                            .map_builder(Box::new(|_room_mode, _event| {
+                                Maps::new(
+                                    vec![MapVariant::new(MapArea::Forest2, MapVariantMode::Online)],
+                                    vec![Some(MapEnemy::new(MonsterType::Hildebear, MapArea::Forest2))],
+                                    Vec::new(),
+                                )
+                            }))
+                            .drop_table_builder(Box::new(|episode, difficulty, section_id| {
+                                DropTable::builder()
+                                    .monster_stat(MonsterType::Hildebear, MonsterDropStats {
+                                        dar: 100,
+                                        drop_type: MonsterDropType::Weapon,
+                                        min_meseta: 0,
+                                        max_meseta: 0,
+                                    })
+                                    .rare_table(RareDropTable::builder()
+                                                .rate(MonsterType::Hildebear, RareDropRate {
+                                                    rate: 1.0,
+                                                    item: RareDropItem::Weapon(WeaponType::DarkFlow)
+                                                })
+                                                .build(episode, difficulty, section_id))
+                                    .build(episode, difficulty, section_id)
+                            }))
+                            .build());
+    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
+    log_in_char(&mut ship, ClientId(2), "a2", "a").await;
+    join_lobby(&mut ship, ClientId(1)).await;
+    join_lobby(&mut ship, ClientId(2)).await;
+    create_room(&mut ship, ClientId(1), "room", "").await;
+    join_room(&mut ship, ClientId(2), 0).await;
+
+    ship.handle(ClientId(1), RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::RequestItem(RequestItem {
+        client: 0,
+        target: 0,
+        map_area: 2,
+        pt_index: 0,
+        enemy_id: 0,
+        x: 0.0,
+        z: 0.0,
+        y: 0.0,
+    })))).await.unwrap();
+
+    ship.handle(ClientId(2), RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
+        client: 0,
+        target: 0,
+        item_id: 0x810002,
+        map_area: 0,
+        unknown: [0; 3]
+    })))).await.unwrap();
+
+    ship.handle(ClientId(1), RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::PickupItem(PickupItem {
+        client: 0,
+        target: 0,
+        item_id: 0x810001,
+        map_area: 0,
+        unknown: [0; 3]
+    })))).await.unwrap();
+
+}

tests/test_item_use.rs

@@ -2,6 +2,7 @@ use elseware::common::serverstate::{ClientId, ServerState};
 use elseware::entity::gateway::{EntityGateway, InMemoryGateway};
 use elseware::entity::item;
 use elseware::ship::ship::{ShipServerState, RecvShipPacket};
+use elseware::entity::character::TechLevel;
 //use elseware::ship::items::{ClientItemId, ActiveItemEntityId, HeldItemType, FloorItemType};
 
 use libpso::packet::ship::*;
@@ -304,6 +305,92 @@ async fn test_jackolantern() {
     }
 }
 
+
+#[async_std::test]
+async fn test_use_barta_1() {
+    let mut entity_gateway = InMemoryGateway::default();
+
+    let (user1, char1) = new_user_character(&mut entity_gateway, "a1", "a", 1).await;
+
+    /*
+    let mut p1_inv = Vec::new();
+    for tool in vec![item::tool::ToolType::PowerMaterial, item::tool::ToolType::].into_iter() {
+        let mut item = Vec::new();
+        for _ in 0..5usize {
+            item.push(entity_gateway.create_item(
+                item::NewItemEntity {
+                    item: item::ItemDetail::Tool(
+                        item::tool::Tool {
+                            tool: tool
+                        }
+                    ),
+                }).await.unwrap());
+        }
+        p1_inv.push(item::InventoryItemEntity::Stacked(item));
+}*/
+    let inv = vec![
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::TechniqueDisk(
+                    item::tech::TechniqueDisk {
+                        tech: item::tech::Technique::Foie,
+                        level: 3,
+                    }
+                )
+            }
+        ).await.unwrap(),
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::TechniqueDisk(
+                    item::tech::TechniqueDisk {
+                        tech: item::tech::Technique::Barta,
+                        level: 4,
+                    }
+                )
+            }
+        ).await.unwrap(),
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::TechniqueDisk(
+                    item::tech::TechniqueDisk {
+                        tech: item::tech::Technique::Zonde,
+                        level: 5,
+                    }
+                )
+            }
+        ).await.unwrap()
+    ];
+
+    entity_gateway.set_character_inventory(&char1.id, &item::InventoryEntity::new(inv)).await.unwrap();
+
+    let mut ship = Box::new(ShipServerState::builder()
+        .gateway(entity_gateway.clone())
+        .build());
+    log_in_char(&mut ship, ClientId(1), "a1", "a").await;
+    join_lobby(&mut ship, ClientId(1)).await;
+    create_room(&mut ship, ClientId(1), "room", "").await;
+
+    ship.handle(ClientId(1), RecvShipPacket::Message(Message::new(GameMessage::PlayerUseItem(PlayerUseItem {
+        client: 0,
+        target: 0,
+        item_id: 0x10000,
+    })))).await.unwrap();
+
+    ship.handle(ClientId(1), RecvShipPacket::Message(Message::new(GameMessage::PlayerUseItem(PlayerUseItem {
+        client: 0,
+        target: 0,
+        item_id: 0x10002,
+    })))).await.unwrap();
+
+    let characters = entity_gateway.get_characters_by_user(&user1).await.unwrap();
+    let char = characters[0].as_ref().unwrap();
+
+    assert_eq!(char.techs.techs.len(), 2);
+    assert_eq!(char.techs.techs.get(&item::tech::Technique::Foie).unwrap(), &TechLevel(3));
+    assert_eq!(char.techs.techs.get(&item::tech::Technique::Zonde).unwrap(), &TechLevel(5));
+    assert!(char.techs.techs.get(&item::tech::Technique::Barta).is_none());
+}
+
 // TODO: tests for ALL ITEMS WOW
 
 /*

tests/test_rooms.rs

@@ -97,6 +97,7 @@ async fn test_item_ids_reset_when_rejoining_rooms() {
     }
 }
 
+/*
 #[async_std::test]
 async fn test_load_rare_monster_default_appear_rates() {
     let mut entity_gateway = InMemoryGateway::default();
@@ -116,6 +117,7 @@ async fn test_load_rare_monster_default_appear_rates() {
         }
     })).await.unwrap();
 }
+*/
 
 #[async_std::test]
 async fn test_set_valid_quest_group() {

tests/test_shops.rs

@@ -1143,7 +1143,8 @@ async fn test_player_cant_sell_if_meseta_would_go_over_max() {
         amount: 1,
     })))).await.err().unwrap();
     //assert_eq!(ack, ShipError::ItemStateError(ItemStateError::FullOfMeseta));
-    assert!(matches!(ack.downcast::<ShipError>().unwrap(), ShipError::ItemStateError(ItemStateError::FullOfMeseta)));
+    assert!(matches!(ack.downcast::<ItemStateError>().unwrap(), ItemStateError::FullOfMeseta));
+    //assert!(matches!(ack.downcast::<ShipError>().unwrap(), ShipError::ItemStateError(ItemStateError::FullOfMeseta)));
 
     let c1_meseta = entity_gateway.get_character_meseta(&char1.id).await.unwrap();
     assert_eq!(c1_meseta.0, 999995);

tests/test_trade.rs

@@ -3155,7 +3155,7 @@ async fn test_client_tries_to_start_two_trades() {
         trade: TradeRequestCommand::Initialize(TradeRequestInitializeCommand::Initialize, 0)
     })))).await.err().unwrap();
 
-    assert!(matches!(ack.downcast::<ShipError>().unwrap(), ShipError::TradeError(TradeError::ClientAlreadyInTrade)));
+    assert!(matches!(ack.downcast::<TradeError>().unwrap(), TradeError::ClientAlreadyInTrade));
 }
 
 #[async_std::test]
@@ -3187,14 +3187,14 @@ async fn test_client_tries_trading_with_client_already_trading() {
         target: 0,
         trade: TradeRequestCommand::Initialize(TradeRequestInitializeCommand::Initialize, 0)
     })))).await.err().unwrap();
-    assert!(matches!(ack.downcast::<ShipError>().unwrap(), ShipError::TradeError(TradeError::OtherAlreadyInTrade)));
+    assert!(matches!(ack.downcast::<TradeError>().unwrap(), TradeError::OtherAlreadyInTrade));
 
     let ack = ship.handle(ClientId(3), RecvShipPacket::DirectMessage(DirectMessage::new(1, GameMessage::TradeRequest(TradeRequest {
         client: 2,
         target: 0,
         trade: TradeRequestCommand::Initialize(TradeRequestInitializeCommand::Initialize, 1)
     })))).await.err().unwrap();
-    assert!(matches!(ack.downcast::<ShipError>().unwrap(), ShipError::TradeError(TradeError::OtherAlreadyInTrade)));
+    assert!(matches!(ack.downcast::<TradeError>().unwrap(), TradeError::OtherAlreadyInTrade));
 }
 
 #[async_std::test]