item helper methods

src/ship/items/inventory.rs

@@ -3,6 +3,7 @@ use thiserror::Error;
 use libpso::character::character;//::InventoryItem;
 use crate::entity::item::{ItemEntityId, ItemDetail, ItemType};
 use crate::entity::item::tool::Tool;
+use crate::entity::item::mag::Mag;
 use crate::ship::items::{ClientItemId, BankItem, BankItemHandle};
 use crate::ship::items::floor::{IndividualFloorItem, StackedFloorItem};
 
@@ -20,6 +21,15 @@ pub struct IndividualInventoryItem {
     pub equipped: bool,
 }
 
+impl IndividualInventoryItem {
+    pub fn mag(&mut self) -> Option<&mut Mag> {
+        match self.item {
+            ItemDetail::Mag(ref mut mag) => Some(mag),
+            _ => None
+        }
+    }
+}
+
 #[derive(Debug, Clone)]
 pub struct StackedInventoryItem {
     pub entity_ids: Vec<ItemEntityId>,
@@ -178,6 +188,13 @@ impl InventoryItem {
         }
         Ok(())
     }
+
+    pub fn individual(&mut self) -> Option<&mut IndividualInventoryItem> {
+        match self {
+            InventoryItem::Individual(ref mut individual_inventory_item) => Some(individual_inventory_item),
+            _ => None
+        }
+    }
 }