improve error display a bit

src/common/serverstate.rs

@@ -1,7 +1,7 @@
 use libpso::PacketParseError;
 use libpso::crypto::PSOCipher;
 
-#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, derive_more::Display)]
 pub struct ClientId(pub usize);
 
 pub enum OnConnect<S: SendServerPacket> {

src/entity/character.rs

@@ -272,7 +272,7 @@ pub struct CharacterMaterials {
     pub tp: u32,
 }
 
-#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize, Default)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize, Default, derive_more::Display)]
 pub struct CharacterEntityId(pub u32);
 
 #[derive(Clone)]

src/entity/item/mod.rs

@@ -17,7 +17,7 @@ use crate::ship::drops::ItemDropType;
 pub struct ItemEntityId(pub u32);
 #[derive(Hash, PartialEq, Eq, Debug, Clone)]
 pub struct ItemId(u32);
-#[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
+#[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Serialize, Deserialize, derive_more::Display)]
 pub struct BankName(pub String);
 #[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
 pub struct TradeId(pub u32);

src/ship/items/manager.rs

@@ -34,33 +34,46 @@ pub enum TriggerCreateItem {
 }
 
 #[derive(Error, Debug)]
-#[error("")]
+#[error("itemmanager")]
 pub enum ItemManagerError {
+    #[error("gateway")]
     EntityGatewayError,
+    #[error("no such item id {0}")]
     NoSuchItemId(ClientItemId),
     NoCharacter(CharacterEntityId),
     NoRoom(RoomId),
     CouldNotAddToInventory(ClientItemId),
     //ItemBelongsToOtherPlayer,
+    #[error("shrug")]
     Idunnoman,
     CouldNotSplitItem(ClientItemId),
+    #[error("could not drop meseta")]
     CouldNotDropMeseta,
     InvalidBankName(BankName),
+    #[error("not enough tools")]
     NotEnoughTools(Tool, usize, usize), // have, expected
     InventoryItemConsumeError(#[from] InventoryItemConsumeError),
+    #[error("bank full")]
     BankFull,
     WrongItemType(ClientItemId),
     UseItemError(#[from] use_tool::UseItemError),
+    #[error("could not buy item")]
     CouldNotBuyItem,
+    #[error("could not add bought item to inventory")]
     CouldNotAddBoughtItemToInventory,
     ItemIdNotInInventory(ClientItemId),
+    #[error("cannot get mut item")]
     CannotGetMutItem,
+    #[error("cannot get individual item")]
     CannotGetIndividualItem,
     InvalidSlot(u8, u8), // slots available, slot attempted
+    #[error("no armor equipped")]
     NoArmorEquipped,
     GatewayError(#[from] GatewayError),
+    #[error("stacked item")]
     StackedItemError(Vec<ItemEntity>),
     ItemTransactionAction(Box<dyn std::error::Error + Send + Sync>),
+    #[error("invalid trade")]
     InvalidTrade,
 }
 

src/ship/items/mod.rs

@@ -6,7 +6,7 @@ mod transaction;
 pub mod use_tool;
 use serde::{Serialize, Deserialize};
 
-#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, Serialize, Deserialize, derive_more::Display)]
 pub struct ClientItemId(pub u32);
 
 // TODO: remove these and fix use statements in the rest of the codebase

src/ship/location.rs

@@ -15,7 +15,7 @@ pub enum AreaType {
 #[derive(Debug, Copy, Clone, PartialEq)]
 pub struct LobbyId(pub usize);
 
-#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, derive_more::Display)]
 pub struct RoomId(pub usize);
 
 impl LobbyId {
@@ -26,7 +26,7 @@ impl LobbyId {
 
 
 #[derive(Error, Debug, PartialEq)]
-#[error("")]
+#[error("create room")]
 pub enum CreateRoomError {
     NoOpenSlots,
     ClientInAreaAlready,
@@ -34,7 +34,7 @@ pub enum CreateRoomError {
 }
 
 #[derive(Error, Debug, PartialEq)]
-#[error("")]
+#[error("join room")]
 pub enum JoinRoomError {
     RoomDoesNotExist,
     RoomFull,
@@ -42,7 +42,7 @@ pub enum JoinRoomError {
 }
 
 #[derive(Error, Debug, PartialEq)]
-#[error("")]
+#[error("join lobby")]
 pub enum JoinLobbyError {
     LobbyDoesNotExist,
     LobbyFull,
@@ -50,7 +50,7 @@ pub enum JoinLobbyError {
 }
 
 #[derive(Error, Debug, PartialEq)]
-#[error("")]
+#[error("get area")]
 pub enum GetAreaError {
     NotInRoom,
     NotInLobby,
@@ -58,28 +58,28 @@ pub enum GetAreaError {
 }
 
 #[derive(Error, Debug, PartialEq)]
-#[error("")]
+#[error("client removal")]
 pub enum ClientRemovalError {
     ClientNotInArea,
     InvalidArea,
 }
 
 #[derive(Error, Debug, PartialEq)]
-#[error("")]
+#[error("get clients")]
 pub enum GetClientsError {
     InvalidClient,
     InvalidArea,
 }
 
 #[derive(Error, Debug, PartialEq)]
-#[error("")]
+#[error("get neighbor")]
 pub enum GetNeighborError {
     InvalidClient,
     InvalidArea,
 }
 
 #[derive(Error, Debug, PartialEq)]
-#[error("")]
+#[error("get leader")]
 pub enum GetLeaderError {
     InvalidClient,
     InvalidArea,
@@ -87,7 +87,7 @@ pub enum GetLeaderError {
 }
 
 #[derive(Error, Debug, PartialEq)]
-#[error("")]
+#[error("clientlocation")]
 pub enum ClientLocationError {
     CreateRoomError(#[from] CreateRoomError),
     JoinRoomError(#[from] JoinRoomError),

src/ship/ship.rs

@@ -42,11 +42,12 @@ pub type Rooms = [Option<room::RoomState>; MAX_ROOMS];
 pub type Clients = HashMap<ClientId, ClientState>;
 
 #[derive(Error, Debug)]
-#[error("shiperror")]
+#[error("shiperror {0:?}")]
 pub enum ShipError {
     ClientNotFound(ClientId),
     NoCharacterInSlot(ClientId, u32),
     InvalidSlot(ClientId, u32),
+    #[error("")]
     TooManyClients,
     ClientLocationError(#[from] ClientLocationError),
     GetNeighborError(#[from] GetNeighborError),
@@ -57,10 +58,12 @@ pub enum ShipError {
     InvalidRoom(u32),
     MonsterAlreadyDroppedItem(ClientId, u16),
     SliceError(#[from] std::array::TryFromSliceError),
+    #[error("")]
     ItemError, // TODO: refine this
     PickUpInvalidItemId(u32),
     DropInvalidItemId(u32),
     ItemManagerError(#[from] items::ItemManagerError),
+    #[error("")]
     ItemDropLocationNotSet,
     BoxAlreadyDroppedItem(ClientId, u16),
     InvalidQuestCategory(u32),
@@ -68,12 +71,14 @@ pub enum ShipError {
     InvalidQuestFilename(String),
     IoError(#[from] std::io::Error),
     NotEnoughMeseta(ClientId, u32),
+    #[error("")]
     ShopError,
     GatewayError(#[from] GatewayError),
     UnknownMonster(crate::ship::monster::MonsterType),
     InvalidShip(usize),
     InvalidBlock(usize),
     InvalidItem(items::ClientItemId),
+    #[error("tradeerror {0}")]
     TradeError(#[from] crate::ship::packet::handler::trade::TradeError),
 }
 

src/ship/trade.rs

@@ -102,7 +102,7 @@ pub enum TradeStateError {
     MismatchedTrade(ClientId, ClientId),
 }
 
-#[derive(Default)]
+#[derive(Default, Debug)]
 pub struct TradeState {
     trades: HashMap<ClientId, RefCell<ClientTradeState>>,
 }