add new usage

pumpkin-world/src/item/item_registry.rs

@@ -56,6 +56,8 @@ pub struct ItemComponents {
     pub attribute_modifiers: Option<AttributeModifiers>,
     #[serde(rename = "minecraft:food")]
     pub food: Option<Food>,
+    #[serde(rename = "minecraft:equippable")]
+    pub equippable: Option<Equippable>,
 }
 
 #[derive(Deserialize, Clone, Debug)]
@@ -86,6 +88,21 @@ pub struct Food {
     pub can_always_eat: Option<bool>,
 }
 
+#[derive(Deserialize, Clone, Debug)]
+pub struct Equippable {
+    pub slot: ArmorSlot,
+    pub equip_sound: String,
+    pub asset_id: String,
+}
+
+#[derive(Deserialize, Clone, Copy, Debug)]
+pub enum ArmorSlot {
+    Head,
+    Chest,
+    Legs,
+    Feet,
+}
+
 #[derive(Deserialize, Clone, Debug, PartialEq)]
 #[serde(rename_all = "snake_case")]
 pub enum Operation {

pumpkin/src/net/packet/play.rs

@@ -950,12 +950,23 @@ impl Player {
 
                 log::debug!("Player eated food: {:?}", food);
             }));
-        } else {
-            log::error!(
-                "An item was used ({}), but the use is not implemented yet",
-                ITEMS_REGISTRY_NAME_BY_ID.get(&item.id).unwrap()
-            );
+            return Ok(());
         }
+
+        if let Some(equippable) = &item.components.equippable {
+            let mut inventory = self.inventory().lock().await;
+            let slot = equippable.slot as usize + 5;
+
+            if inventory.get_slot(slot)?.is_none() {
+                *inventory.get_slot(slot)? = inventory.held_item_mut().take();
+            }
+            return Ok(());
+        }
+
+        log::error!(
+            "An item was used ({}), but the use is not implemented yet",
+            ITEMS_REGISTRY_NAME_BY_ID.get(&item.id).unwrap()
+        );
         Ok(())
     }