Save, load, and display item counts

src/components/inventory.rs

@@ -362,6 +362,23 @@ impl GameEntity<(&mut Context, &mut Player, &mut Inventory)> for InventoryUI {
 
         batch.draw(ctx)?;
 
+        for (idx, (item_id, amount)) in self.item_data.iter().enumerate() {
+            if *item_id == 0 || *amount == 0 {
+                break;
+            }
+
+            if *amount > 1 {
+                draw_number(
+                    x + 12.0 + (idx % count_x) as f32 * 32.0 + 32.0,
+                    y + 68.0 + (idx / count_x) as f32 * 16.0,
+                    *amount as usize,
+                    Alignment::Right,
+                    state,
+                    ctx,
+                )?;
+            }
+        }
+
         for (idx, weapon) in self.weapon_data.iter().enumerate() {
             if weapon.wtype == WeaponType::None {
                 break;

src/inventory.rs

@@ -43,6 +43,14 @@ impl Inventory {
         }
     }
 
+    pub fn add_item_amount(&mut self, item_id: u16, amount: u16) {
+        if !self.has_item(item_id) {
+            self.items.push(Item(item_id, amount));
+        } else if let Some(item) = self.get_item(item_id) {
+            item.1 += amount;
+        }
+    }
+
     pub fn consume_item(&mut self, item_id: u16) {
         if let Some(item) = self.get_item(item_id) {
             if item.1 > 1 {

src/profile.rs

@@ -78,11 +78,13 @@ impl GameProfile {
         }
 
         for item in self.items.iter().copied() {
-            if item == 0 {
+            let item_id = item as u16;
+            let amount = (item >> 16) as u16;
+            if item_id == 0 {
                 break;
             }
 
-            game_scene.inventory_player1.add_item(item as u16);
+            game_scene.inventory_player1.add_item_amount(item_id, amount + 1);
         }
 
         for slot in &self.teleporter_slots {
@@ -190,7 +192,7 @@ impl GameProfile {
 
         for (idx, item) in items.iter_mut().enumerate() {
             if let Some(sitem) = game_scene.inventory_player1.get_item_idx(idx) {
-                *item = sitem.0 as u32;
+                *item = sitem.0 as u32 + (((sitem.1 - 1) as u32) << 16);
             }
         }