fix bug where picking up a stack caused 2x that item to be picked up

src/ship/items.rs

@@ -28,7 +28,6 @@ pub enum ActiveItemEntityId {
     Meseta(Meseta),
 }
 
-
 #[derive(Debug, Clone, PartialEq)]
 pub enum HeldItemType {
     Individual(ItemDetail),
@@ -142,6 +141,12 @@ impl<'a> CharacterInventory<'a> {
     }
 }
 
+pub enum TriggerCreateItem {
+    Yes,
+    No
+}
+
+
 #[derive(Error, Debug)]
 #[error("")]
 pub enum ItemManagerError {
@@ -284,7 +289,7 @@ impl ItemManager {
             .map(Clone::clone)
     }
 
-    pub fn character_picks_up_item<EG: EntityGateway>(&mut self, entity_gateway: &mut EG, character: &mut CharacterEntity, floor_item: FloorItem) -> Result<(), ItemManagerError> {
+    pub fn character_picks_up_item<EG: EntityGateway>(&mut self, entity_gateway: &mut EG, character: &mut CharacterEntity, floor_item: FloorItem) -> Result<TriggerCreateItem, ItemManagerError> {
         let local_floor = self.character_floor.get_mut(&character.id).ok_or(ItemManagerError::NoCharacter(character.id))?;
         let inventory = self.character_inventory.get_mut(&character.id).ok_or(ItemManagerError::NoCharacter(character.id))?;
         let room_id = self.character_room.get(&character.id).ok_or(ItemManagerError::NoCharacter(character.id))?;
@@ -333,7 +338,7 @@ impl ItemManager {
             return Err(ItemManagerError::NoSuchItemId(floor_item.item_id))
         }
 
-        match floor_item.item {
+        let trigger_create = match floor_item.item {
             FloorItemType::Individual(item) => {
                 let inventory_item = InventoryItem {
                     entity_id: floor_item.entity_id,
@@ -354,9 +359,10 @@ impl ItemManager {
                     }); // TODO: error check
                     inventory.push(inventory_item);
                 } // else something went very wrong TODO: log it
+                TriggerCreateItem::Yes
             },
             FloorItemType::Stacked(tool, amount) => {
-                let inventory_item = inventory.iter_mut()
+                let (trigger_create, inventory_item) = inventory.iter_mut()
                     .filter(|i| {
                         if let HeldItemType::Stacked(tooltype, _amount) = i.item {
                             tooltype == tool
@@ -382,7 +388,7 @@ impl ItemManager {
                             *inv_amount += floor_amount
                         }
 
-                        existing_inv_item.clone()
+                        (TriggerCreateItem::No, existing_inv_item.clone())
                     })
                     .unwrap_or_else(|| {
                         let picked_up_item = InventoryItem {
@@ -392,7 +398,7 @@ impl ItemManager {
                             equipped: false,
                         };
                         inventory.push(picked_up_item.clone());
-                        picked_up_item
+                        (TriggerCreateItem::Yes, picked_up_item)
                     });
 
                 if let ActiveItemEntityId::Stacked(item_ids) = &inventory_item.entity_id {
@@ -408,14 +414,16 @@ impl ItemManager {
                         }); // TODO: error check
                     };
                 } // else something went very wrong TODO: log it
+                trigger_create
             },
             FloorItemType::Meseta(meseta) => {
                 character.meseta = std::cmp::min(character.meseta + meseta.0, 999999);
                 entity_gateway.save_character(&character);
+                TriggerCreateItem::No
             }
-        }
+        };
 
-        Ok(())
+        Ok(trigger_create)
     }
 
     pub fn enemy_drop_item_on_local_floor<EG: EntityGateway>(&mut self, entity_gateway: &mut EG, character: &CharacterEntity, item_drop: ItemDrop) -> Result<&FloorItem, ItemManagerError> {

src/ship/packet/handler/direct_message.rs

@@ -5,7 +5,7 @@ use crate::common::serverstate::ClientId;
 use crate::ship::ship::{SendShipPacket, ShipError, Clients, Rooms};
 use crate::ship::location::{ClientLocation, ClientLocationError};
 use crate::ship::drops::ItemDrop;
-use crate::ship::items::{ItemManager, FloorItemType, ClientItemId};
+use crate::ship::items::{ItemManager, FloorItemType, ClientItemId, TriggerCreateItem};
 use crate::entity::gateway::EntityGateway;
 use libpso::utf8_to_utf16_array;
 use crate::ship::packet::builder;
@@ -119,7 +119,7 @@ where
     };
 
     match item_manager.character_picks_up_item(entity_gateway, &mut client.character, item) {
-        Ok(_) => {
+        Ok(trigger_create_item) => {
             Ok(Box::new(Vec::new().into_iter()
                         .chain(clients_in_area.clone().into_iter()
                                .map(move |c| {
@@ -127,7 +127,10 @@ where
                                }))
                         .chain(clients_in_area.into_iter().
                                filter_map(move |c| {
-                                   create_item.clone().map(|ci| (c.client, SendShipPacket::Message(Message::new(GameMessage::CreateItem(ci)))))
+                                   match trigger_create_item {
+                                       TriggerCreateItem::Yes => create_item.clone().map(|ci| (c.client, SendShipPacket::Message(Message::new(GameMessage::CreateItem(ci))))),
+                                       _ => None
+                                   }
                                }
                         )))
             )