withdraw from bank

src/ship/items/bank.rs

@@ -24,6 +24,15 @@ impl StackedBankItem {
     pub fn count(&self) -> usize {
         self.entity_ids.len()
     }
+
+    pub fn take_entity_ids(&mut self, amount: usize) -> Option<Vec<ItemEntityId>> {
+        if amount <= self.count() {
+            Some(self.entity_ids.drain(..amount).collect())
+        }
+        else {
+            None
+        }
+    }
 }
 
 #[derive(Debug, Clone)]
@@ -126,6 +135,26 @@ impl BankItem {
     }
 }
 
+
+pub struct BankItemHandle<'a> {
+    bank: &'a mut CharacterBank,
+    index: usize
+}
+
+impl<'a> BankItemHandle<'a> {
+    pub fn item(&'a self) -> Option<&'a BankItem> {
+        self.bank.items.get(self.index)
+    }
+
+    pub fn item_mut(&mut self) -> Option<&mut BankItem> {
+        self.bank.items.get_mut(self.index)
+    }
+
+    pub fn remove_from_bank(self) {
+        self.bank.items.remove(self.index);
+    }
+}
+
 pub struct CharacterBank {
     item_id_counter: u32,
     items: Vec<BankItem>
@@ -147,6 +176,19 @@ impl CharacterBank {
         self.item_id_counter = base_item_id + self.items.len() as u32 + 1;
     }
 
+    pub fn get_item_handle_by_id<'a>(&'a mut self, item_id: ClientItemId) -> Option<BankItemHandle<'a>> {
+        let (index, _) = self.items.iter()
+            .enumerate()
+            .filter(|(_, item)| {
+                item.item_id() == item_id
+            })
+            .nth(0)?;
+        Some(BankItemHandle {
+            bank: self,
+            index: index,
+        })
+    }
+
     pub fn as_client_bank_items(&self) -> character::Bank {
         self.items.iter()
             .enumerate()

src/ship/items/inventory.rs

@@ -3,9 +3,11 @@ use thiserror::Error;
 use libpso::character::character;//::InventoryItem;
 use crate::entity::item::{ItemEntityId, ItemDetail, ItemType};
 use crate::entity::item::tool::Tool;
-use crate::ship::items::ClientItemId;
+use crate::ship::items::{ClientItemId, BankItem, BankItemHandle};
 use crate::ship::items::floor::{IndividualFloorItem, StackedFloorItem};
 
+const INVENTORY_CAPACITY: usize = 30;
+
 
 #[derive(Debug, Clone)]
 pub struct InventorySlot(pub usize);
@@ -233,15 +235,15 @@ pub struct InventoryItemHandle<'a> {
 
 impl<'a> InventoryItemHandle<'a> {
     pub fn item(&'a self) -> Option<&'a InventoryItem> {
-        self.inventory.0.get(self.slot)
+        self.inventory.items.get(self.slot)
     }
 
     pub fn item_mut(&mut self) -> Option<&mut InventoryItem> {
-        self.inventory.0.get_mut(self.slot)
+        self.inventory.items.get_mut(self.slot)
     }
 
     pub fn remove_from_inventory(self) {
-        self.inventory.0.remove(self.slot);
+        self.inventory.items.remove(self.slot);
     }
 
     pub fn consume(self, amount: usize) -> Result<ConsumedItem, InventoryItemConsumeError> {
@@ -250,7 +252,7 @@ impl<'a> InventoryItemHandle<'a> {
             Partial(Tool),
         }
         
-        let inventory_item = self.inventory.0.get(self.slot).ok_or(InventoryItemConsumeError::InconsistentState)?;
+        let inventory_item = self.inventory.items.get(self.slot).ok_or(InventoryItemConsumeError::InconsistentState)?;
         let remove_method = match inventory_item {
             InventoryItem::Individual(individual_inventory_item) => {
                 RemoveMethod::EntireThing(ConsumedItem::Individual(IndividualConsumedItem {
@@ -278,11 +280,11 @@ impl<'a> InventoryItemHandle<'a> {
 
         match remove_method {
             RemoveMethod::EntireThing(consumed_item) => {
-                self.inventory.0.remove(self.slot);
+                self.inventory.items.remove(self.slot);
                 Ok(consumed_item)
             },
             RemoveMethod::Partial(tool) => {
-                let entity_ids = self.inventory.0.get_mut(self.slot)
+                let entity_ids = self.inventory.items.get_mut(self.slot)
                     .and_then(|item| {
                         if let InventoryItem::Stacked(stacked_inventory_item) = item {
                             Some(stacked_inventory_item.entity_ids.drain(..amount).collect::<Vec<_>>())
@@ -305,21 +307,28 @@ impl<'a> InventoryItemHandle<'a> {
 
 
 #[derive(Debug)]
-pub struct CharacterInventory(Vec<InventoryItem>);
+pub struct CharacterInventory {
+    item_id_counter: u32,
+    items: Vec<InventoryItem>,
+}
 
 impl CharacterInventory {
     pub fn new(items: Vec<InventoryItem>) -> CharacterInventory {
-        CharacterInventory(items)
+        CharacterInventory{
+            item_id_counter: 0,
+            items: items,
+        }
     }
 
     pub fn initialize_item_ids(&mut self, base_item_id: u32) {
-        for (i, item) in self.0.iter_mut().enumerate() {
+        for (i, item) in self.items.iter_mut().enumerate() {
             item.set_item_id(ClientItemId(base_item_id + i as u32));
         }
+        self.item_id_counter = base_item_id + self.items.len() as u32 + 1;
     }
 
     pub fn as_client_inventory_items(&self) -> [character::InventoryItem; 30] {
-        self.0.iter()
+        self.items.iter()
             .enumerate()
             .fold([character::InventoryItem::default(); 30], |mut inventory, (slot, item)| {
                 let bytes = item.as_client_bytes();
@@ -335,15 +344,15 @@ impl CharacterInventory {
     }
 
     pub fn slot(&self, slot: usize) -> Option<&InventoryItem> {
-        self.0.get(slot)
+        self.items.get(slot)
     }
 
     pub fn count(&self) -> usize {
-        self.0.len()
+        self.items.len()
     }
     
     pub fn get_item_handle_by_id<'a>(&'a mut self, item_id: ClientItemId) -> Option<InventoryItemHandle<'a>> {
-        let (slot, _) = self.0.iter()
+        let (slot, _) = self.items.iter()
             .enumerate()
             .filter(|(_, item)| {
                 item.item_id() == item_id
@@ -356,7 +365,7 @@ impl CharacterInventory {
     }
 
     pub fn get_item_by_id(&self, item_id: ClientItemId) -> Option<&InventoryItem> {
-        self.0.iter()
+        self.items.iter()
             .filter(|item| {
                 item.item_id() == item_id
             })
@@ -364,14 +373,14 @@ impl CharacterInventory {
     }
 
     pub fn take_item_by_id(&mut self, item_id: ClientItemId) -> Option<InventoryItem> {
-        self.0
+        self.items
             .drain_filter(|i| i.item_id() == item_id)
             .nth(0)
     }
 
     pub fn add_item(&mut self, item: InventoryItem) -> Result<(), ()> { // TODO: errors
         // TODO: check slot conflict?
-        self.0.push(item);
+        self.items.push(item);
         Ok(())
     }
 
@@ -381,14 +390,14 @@ impl CharacterInventory {
             return None;
         }
 
-        self.0.push(InventoryItem::Individual(IndividualInventoryItem {
+        self.items.push(InventoryItem::Individual(IndividualInventoryItem {
             entity_id: floor_item.entity_id,
             item_id: floor_item.item_id,
             item: floor_item.item.clone(),
             equipped: false,
         }));
 
-        if let Some(InventoryItem::Individual(new_item)) = self.0.last() {
+        if let Some(InventoryItem::Individual(new_item)) = self.items.last() {
             Some((new_item, InventorySlot(self.count())))
         }
         else {
@@ -398,7 +407,7 @@ impl CharacterInventory {
 
     // TODO: can be simplified using find instead of position
     pub fn pick_up_stacked_floor_item(&mut self, floor_item: &StackedFloorItem) -> Option<(&StackedInventoryItem, InventorySlot)> {
-        let existing_stack_position = self.0.iter()
+        let existing_stack_position = self.items.iter()
             .position(|inventory_item| {
                 if let InventoryItem::Stacked(stacked_inventory_item) = inventory_item {
                     if stacked_inventory_item.tool == floor_item.tool {
@@ -409,7 +418,7 @@ impl CharacterInventory {
             });
 
         if let Some(existing_stack_position) = existing_stack_position {
-            if let Some(InventoryItem::Stacked(stacked_item)) = self.0.get_mut(existing_stack_position) {
+            if let Some(InventoryItem::Stacked(stacked_item)) = self.items.get_mut(existing_stack_position) {
                 if stacked_item.count() + floor_item.count() <= stacked_item.tool.max_stack() {
                     stacked_item.entity_ids.append(&mut floor_item.entity_ids.clone());
                     Some((stacked_item, InventorySlot(existing_stack_position)))
@@ -429,8 +438,8 @@ impl CharacterInventory {
                 tool: floor_item.tool,
             });
             
-            self.0.push(new_stacked_item);
-            if let Some(InventoryItem::Stacked(new_item)) = self.0.last() {
+            self.items.push(new_stacked_item);
+            if let Some(InventoryItem::Stacked(new_item)) = self.items.last() {
                 Some((new_item, InventorySlot(self.count())))
             }
             else {
@@ -438,5 +447,69 @@ impl CharacterInventory {
             }
         }
     }
+
+    pub fn withdraw_item(&mut self, mut bank_item: BankItemHandle, amount: usize) -> Option<(&InventoryItem, usize)> {
+        let (remove, slot) = match bank_item.item_mut()? {
+            BankItem::Individual(individual_bank_item) => {
+                if self.items.len() >= INVENTORY_CAPACITY {
+                    return None
+                }
+                self.items.push(InventoryItem::Individual(IndividualInventoryItem {
+                    entity_id: individual_bank_item.entity_id,
+                    item_id: individual_bank_item.item_id,
+                    item: individual_bank_item.item.clone(),
+                    equipped: false,
+                }));
+                (true, self.count())
+            },
+            BankItem::Stacked(stacked_bank_item) => {
+                let existing_inventory_item = self.items.iter_mut()
+                    .enumerate()
+                    .find_map(|(index, item)| {
+                        if let InventoryItem::Stacked(stacked_inventory_item) = item {
+                            if stacked_inventory_item.tool == stacked_inventory_item.tool {
+                                return Some((index, stacked_inventory_item))
+                            }
+                        }
+                        None
+                    });
+
+                let slot = match existing_inventory_item {
+                    Some((slot, stacked_inventory_item)) => {
+                        if stacked_inventory_item.count() + stacked_bank_item.count() > stacked_bank_item.tool.max_stack() {
+                            return None
+                        }
+
+                        let mut withdrawn_entity_ids = stacked_bank_item.take_entity_ids(amount)?;
+                        stacked_inventory_item.entity_ids.append(&mut withdrawn_entity_ids);
+                        slot
+                    }
+                    None => {
+                        if self.items.len() >= INVENTORY_CAPACITY {
+                            return None
+                        }
+                        let withdrawn_entity_ids = stacked_bank_item.take_entity_ids(amount)?;
+
+                        self.item_id_counter += 1; // oh no
+                        self.items.push(InventoryItem::Stacked(StackedInventoryItem {
+                            entity_ids: withdrawn_entity_ids,
+                            item_id: ClientItemId(self.item_id_counter),
+                            tool: stacked_bank_item.tool,
+                        }));
+                        self.count()
+                    }
+                };
+                (stacked_bank_item.count() == 0, slot)
+            }
+        };
+
+        if remove {
+            bank_item.remove_from_bank();
+        }
+
+        self.items.last().map(|item| {
+            (item, slot)
+        })
+    }
 }
 

src/ship/items/manager.rs

@@ -558,12 +558,41 @@ impl ItemManager {
     }
 
     pub async fn player_withdraws_item<EG: EntityGateway>(&mut self,
-                                                          _entity_gateway: &mut EG,
-                                                          _character: &CharacterEntity,
-                                                          _item_id: ClientItemId,
-                                                         _amount: usize)
-                                                          -> Result<(), ItemManagerError> {
+                                                          entity_gateway: &mut EG,
+                                                          character: &CharacterEntity,
+                                                          item_id: ClientItemId,
+                                                          amount: usize)
+                                                          -> Result<&InventoryItem, ItemManagerError> {
 
-        Ok(())
+        let inventory = self.character_inventory.get_mut(&character.id).ok_or(ItemManagerError::NoCharacter(character.id))?;
+        let bank = self.character_bank
+            .get_mut(&character.id)
+            .ok_or(ItemManagerError::NoCharacter(character.id))?;
+
+        let item_to_withdraw = bank.get_item_handle_by_id(item_id).ok_or(ItemManagerError::NoSuchItemId(item_id))?;
+        let inventory_item = inventory.withdraw_item(item_to_withdraw, amount).ok_or(ItemManagerError::Idunnoman)?;
+
+        match inventory_item {
+            (InventoryItem::Individual(individual_inventory_item), slot) => {
+                entity_gateway.change_item_location(&individual_inventory_item.entity_id,
+                                                    ItemLocation::Inventory {
+                                                        character_id: character.id,
+                                                        slot: slot,
+                                                        equipped: false,
+                                                    }).await;
+            },
+            (InventoryItem::Stacked(stacked_inventory_item), slot) => {
+                for entity_id in &stacked_inventory_item.entity_ids {
+                    entity_gateway.change_item_location(entity_id,
+                                                        ItemLocation::Inventory {
+                                                            character_id: character.id,
+                                                            slot: slot,
+                                                            equipped: false,
+                                                        }).await;
+                }
+            }
+        }
+
+        Ok(inventory_item.0)
     }
 }

src/ship/packet/builder/message.rs

@@ -2,7 +2,7 @@ use libpso::packet::messages::*;
 use libpso::packet::ship::*;
 use crate::common::leveltable::CharacterStats;
 use crate::ship::ship::{ShipError};
-use crate::ship::items::{ClientItemId, StackedFloorItem, FloorItem, CharacterBank};
+use crate::ship::items::{ClientItemId, InventoryItem, StackedFloorItem, FloorItem, CharacterBank};
 use crate::ship::location::AreaClient;
 use std::convert::TryInto;
 
@@ -37,6 +37,18 @@ pub fn create_item(area_client: AreaClient, item: &FloorItem) -> Result<CreateIt
     })
 }
 
+pub fn create_withdrawn_inventory_item(area_client: AreaClient, item: &InventoryItem) -> Result<CreateItem, ShipError> {
+    let bytes = item.as_client_bytes();
+    Ok(CreateItem {
+        client: area_client.local_client.id(),
+        target: 0,
+        item_data: bytes[0..12].try_into()?,
+        item_id: item.item_id().0,
+        item_data2: bytes[12..16].try_into()?,
+        unknown: 0,
+    })
+}
+
 pub fn remove_item_from_floor(area_client: AreaClient, item: &FloorItem) -> Result<RemoveItemFromFloor, ShipError> {
     Ok(RemoveItemFromFloor {
         client: area_client.local_client.id(),

src/ship/packet/handler/direct_message.rs

@@ -249,8 +249,9 @@ where
                 Vec::new()
             }
             else {
-                item_manager.player_withdraws_item(entity_gateway, &client.character, ClientItemId(bank_interaction.item_id), bank_interaction.item_amount as usize).await?;
-                Vec::new()
+                let item_added_to_inventory = item_manager.player_withdraws_item(entity_gateway, &client.character, ClientItemId(bank_interaction.item_id), bank_interaction.item_amount as usize).await?;
+                let item_created = builder::message::create_withdrawn_inventory_item(area_client, &item_added_to_inventory)?;
+                vec![SendShipPacket::Message(Message::new(GameMessage::CreateItem(item_created)))]
             }
         },
         _ => {

tests/test_bank.rs

@@ -995,7 +995,774 @@ async fn test_deposit_meseta_when_bank_is_maxed() {
 
     let characters = entity_gateway.get_characters_by_user(&user1).await;
     let char = characters[0].as_ref().unwrap();
-    println!("meseta {}", char.meseta);
     assert!(char.meseta == 300);
     assert!(char.bank_meseta == 999999);
 }
+
+
+#[async_std::test]
+async fn test_withdraw_individual_item() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+    let (_user2, _char2) = new_user_character(&mut entity_gateway, "a2", "a").await;
+
+    entity_gateway.create_item(
+        item::NewItemEntity {
+            item: item::ItemDetail::Weapon(
+                item::weapon::Weapon {
+                    weapon: item::weapon::WeaponType::Saber,
+                    grind: 0,
+                    special: None,
+                    attrs: [None, None, None],
+                    tekked: true,
+                }
+            ),
+            location: item::ItemLocation::Bank {
+                character_id: char1.id,
+                name: item::BankName("".to_string())
+            }
+        }).await;
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0x20000,
+        action: 1,
+        item_amount: 0,
+        meseta_amount: 0,
+        unknown: 0,
+    })))).await.unwrap().collect::<Vec<_>>();
+
+    assert!(packets.len() == 1);
+    assert!(matches!(&packets[0], (ClientId(2), SendShipPacket::Message(Message {msg: GameMessage::CreateItem(create_item)}))
+                     if create_item.item_id == 0x20000
+    ));
+
+    let items = entity_gateway.get_items_by_character(&char1).await;
+    let inventory_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Inventory{..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(inventory_item_ids == vec![item::ItemEntityId(1)]);
+}
+
+#[async_std::test]
+async fn test_withdraw_stacked_item() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+    let (_user2, _char2) = new_user_character(&mut entity_gateway, "a2", "a").await;
+
+    for _ in 0..3 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::Bank {
+                    character_id: char1.id,
+                    name: item::BankName("".to_string())
+                }
+            }).await;
+    }
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0x20000,
+        action: 1,
+        item_amount: 3,
+        meseta_amount: 0,
+        unknown: 0,
+    })))).await.unwrap().collect::<Vec<_>>();
+
+    assert!(packets.len() == 1);
+    assert!(matches!(&packets[0], (ClientId(2), SendShipPacket::Message(Message {msg: GameMessage::CreateItem(create_item)}))
+                     if create_item.item_id == 0x10002
+    ));
+
+    let items = entity_gateway.get_items_by_character(&char1).await;
+    let inventory_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Inventory {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(inventory_item_ids == vec![item::ItemEntityId(1), item::ItemEntityId(2), item::ItemEntityId(3)]);
+}
+
+#[async_std::test]
+async fn test_withdraw_partial_stacked_item() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+    let (_user2, _char2) = new_user_character(&mut entity_gateway, "a2", "a").await;
+
+    for _ in 0..3 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::Bank {
+                    character_id: char1.id,
+                    name: item::BankName("".into())
+                }
+            }).await;
+    }
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0x20000,
+        action: 1,
+        item_amount: 2,
+        meseta_amount: 0,
+        unknown: 0,
+    })))).await.unwrap().collect::<Vec<_>>();
+
+    assert!(packets.len() == 1);
+    assert!(matches!(&packets[0], (ClientId(2), SendShipPacket::Message(Message {msg: GameMessage::CreateItem(create_item)}))
+                     if create_item.item_id == 0x10002
+    ));
+
+    let items = entity_gateway.get_items_by_character(&char1).await;
+    let bank_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Bank {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(bank_item_ids == vec![item::ItemEntityId(3)]);
+
+    let inventory_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Inventory {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(inventory_item_ids == vec![item::ItemEntityId(1), item::ItemEntityId(2)]);
+}
+
+#[async_std::test]
+async fn test_withdraw_stacked_item_with_stack_already_in_inventory() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+    let (_user2, _char2) = new_user_character(&mut entity_gateway, "a2", "a").await;
+
+    for _ in 0..2 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::Inventory {
+                    character_id: char1.id,
+                    slot: 0,
+                    equipped: false,
+                }
+            }).await;
+
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::Bank {
+                    character_id: char1.id,
+                    name: item::BankName("".into()),
+                }
+            }).await;
+    }
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0x20000,
+        action: 1,
+        item_amount: 2,
+        meseta_amount: 0,
+        unknown: 0,
+    })))).await.unwrap().collect::<Vec<_>>();
+
+    assert!(packets.len() == 1);
+    assert!(matches!(&packets[0], (ClientId(2), SendShipPacket::Message(Message {msg: GameMessage::CreateItem(create_item)}))
+                     if create_item.item_id == 0x10000
+    ));
+
+    let items = entity_gateway.get_items_by_character(&char1).await;
+    let inventory_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Inventory {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(inventory_item_ids == vec![item::ItemEntityId(1), item::ItemEntityId(2), item::ItemEntityId(3), item::ItemEntityId(4)]);
+}
+
+#[async_std::test]
+async fn test_withdraw_stacked_item_with_full_stack_in_inventory() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+
+    for _ in 0..2 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::Bank {
+                    character_id: char1.id,
+                    name: item::BankName("".into()),
+                }
+            }).await;
+    }
+
+    for _ in 0..10 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::Inventory {
+                    character_id: char1.id,
+                    slot: 0,
+                    equipped: false,
+                }
+            }).await;
+    }
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::DirectMessage(DirectMessage::new(0, GameMessage::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0x20000,
+        action: 1,
+        item_amount: 2,
+        meseta_amount: 0,
+        unknown: 0,
+    })))).await;
+
+    assert!(packets.is_err());
+
+    let items = entity_gateway.get_items_by_character(&char1).await;
+    let bank_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Bank {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(bank_item_ids == vec![item::ItemEntityId(1), item::ItemEntityId(2)]);
+
+    let inventory_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Inventory {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(inventory_item_ids.len() == 10);
+}
+
+#[async_std::test]
+async fn test_withdraw_individual_item_in_full_inventory() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+
+    entity_gateway.create_item(
+        item::NewItemEntity {
+            item: item::ItemDetail::Weapon(
+                item::weapon::Weapon {
+                    weapon: item::weapon::WeaponType::Vulcan,
+                    grind: 0,
+                    special: None,
+                    attrs: [None, None, None],
+                    tekked: true,
+                }
+            ),
+            location: item::ItemLocation::Bank {
+                character_id: char1.id,
+                name: item::BankName("".to_string())
+            }
+        }).await;
+
+    for i in 0..30 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Weapon(
+                    item::weapon::Weapon {
+                        weapon: item::weapon::WeaponType::Vulcan,
+                        grind: 0,
+                        special: None,
+                        attrs: [None, None, None],
+                        tekked: true,
+                    }
+                ),
+                location: item::ItemLocation::Inventory {
+                    character_id: char1.id,
+                    slot: i,
+                    equipped: false,
+                }
+            }).await;
+    }
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::DirectMessage(DirectMessage::new(0, GameMessage::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0x20000,
+        action: 1,
+        item_amount: 0,
+        meseta_amount: 0,
+        unknown: 0,
+    })))).await;
+
+    assert!(packets.is_err());
+
+    let items = entity_gateway.get_items_by_character(&char1).await;
+    let bank_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Bank {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(bank_item_ids == vec![item::ItemEntityId(1)]);
+
+    let inventory_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Inventory {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(inventory_item_ids.len() == 30);
+}
+
+#[async_std::test]
+async fn test_withdraw_stacked_item_in_full_inventory() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+
+    for _ in 0..2 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::Bank {
+                    character_id: char1.id,
+                    name: item::BankName("".to_string())
+                }
+            }).await;
+    }
+
+    for i in 0..30 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Weapon(
+                    item::weapon::Weapon {
+                        weapon: item::weapon::WeaponType::Vulcan,
+                        grind: 0,
+                        special: None,
+                        attrs: [None, None, None],
+                        tekked: true,
+                    }
+                ),
+                location: item::ItemLocation::Inventory {
+                    character_id: char1.id,
+                    slot: i,
+                    equipped: false,
+                }
+            }).await;
+    }
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::DirectMessage(DirectMessage::new(0, GameMessage::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let packets = ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0x20000,
+        action: 1,
+        item_amount: 2,
+        meseta_amount: 0,
+        unknown: 0,
+    })))).await;
+
+    assert!(packets.is_err());
+
+    let items = entity_gateway.get_items_by_character(&char1).await;
+    let bank_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Bank {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(bank_item_ids == vec![item::ItemEntityId(1), item::ItemEntityId(2)]);
+
+    let inventory_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Inventory {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(inventory_item_ids.len() == 30);
+}
+
+#[async_std::test]
+async fn test_withdraw_stacked_item_in_full_inventory_with_partial_stack() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (_user1, char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+
+    for _ in 0..2 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::Bank {
+                    character_id: char1.id,
+                    name: item::BankName("".to_string())
+                }
+            }).await;
+    }
+
+    for i in 0..29 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Weapon(
+                    item::weapon::Weapon {
+                        weapon: item::weapon::WeaponType::Vulcan,
+                        grind: 0,
+                        special: None,
+                        attrs: [None, None, None],
+                        tekked: true,
+                    }
+                ),
+                location: item::ItemLocation::Inventory {
+                    character_id: char1.id,
+                    slot: i,
+                    equipped: false,
+                }
+            }).await;
+    }
+
+    for _ in 0..2 {
+        entity_gateway.create_item(
+            item::NewItemEntity {
+                item: item::ItemDetail::Tool(
+                    item::tool::Tool {
+                        tool: item::tool::ToolType::Monomate,
+                    }
+                ),
+                location: item::ItemLocation::Inventory {
+                    character_id: char1.id,
+                    slot: 29,
+                    equipped: false,
+                }
+            }).await;
+    }
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::DirectMessage(DirectMessage::new(0, GameMessage::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0x20000,
+        action: 1,
+        item_amount: 2,
+        meseta_amount: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let items = entity_gateway.get_items_by_character(&char1).await;
+    let bank_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Bank {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(bank_item_ids.len() == 0);
+
+    let inventory_item_ids = items.iter()
+        .filter_map(|item| {
+            if let item::ItemLocation::Inventory {..} = item.location {
+                Some(item.id)
+            }
+            else {
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    assert!(inventory_item_ids.len() == 33);
+}
+
+#[async_std::test]
+async fn test_withdraw_meseta() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (user1, mut char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+    char1.bank_meseta = 300;
+    entity_gateway.save_character(&char1).await;
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::DirectMessage(DirectMessage::new(0, GameMessage::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0xFFFFFFFF,
+        action: 1,
+        item_amount: 0,
+        meseta_amount: 23,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let characters = entity_gateway.get_characters_by_user(&user1).await;
+    let char = characters[0].as_ref().unwrap();
+    assert!(char.meseta == 23);
+    assert!(char.bank_meseta == 277);
+}
+
+#[async_std::test]
+async fn test_withdraw_too_much_meseta() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (user1, mut char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+    char1.meseta = 999980;
+    char1.bank_meseta = 300;
+    entity_gateway.save_character(&char1).await;
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::DirectMessage(DirectMessage::new(0, GameMessage::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0xFFFFFFFF,
+        action: 1,
+        item_amount: 0,
+        meseta_amount: 23,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let characters = entity_gateway.get_characters_by_user(&user1).await;
+    let char = characters[0].as_ref().unwrap();
+    assert!(char.meseta == 999980);
+    assert!(char.bank_meseta == 300);
+}
+
+#[async_std::test]
+async fn test_withdraw_meseta_inventory_is_maxed() {
+    let mut entity_gateway = InMemoryGateway::new();
+
+    let (user1, mut char1) = new_user_character(&mut entity_gateway, "a1", "a").await;
+    char1.meseta = 999999;
+    char1.bank_meseta = 300;
+    entity_gateway.save_character(&char1).await;
+
+    let mut ship = ShipServerState::new(entity_gateway.clone());
+    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::DirectMessage(DirectMessage::new(0, GameMessage::BankRequest(BankRequest {
+        client: 0,
+        target: 0,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    ship.handle(ClientId(1), &RecvShipPacket::DirectMessage(DirectMessage::new(0, GameMessage::BankInteraction(BankInteraction {
+        client: 0,
+        target: 0,
+        item_id: 0xFFFFFFFF,
+        action: 1,
+        item_amount: 0,
+        meseta_amount: 23,
+        unknown: 0,
+    })))).await.unwrap().for_each(drop);
+
+    let characters = entity_gateway.get_characters_by_user(&user1).await;
+    let char = characters[0].as_ref().unwrap();
+    assert!(char.meseta == 999999);
+    assert!(char.bank_meseta == 300);
+}