Crafting

CHANGELOG.md

@@ -43,6 +43,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added spin attack for axe
 - Creature specific stats
 - Minimap compass
+- Initial crafting system implementation
 
 ### Changed
 

assets/common/items/consumable/potion_big.ron

@@ -2,11 +2,10 @@ Item(
     name: "Large Potion",
     description: "Restores 100 Health\n\n<Right-Click to use>",
     kind: Consumable(
-        kind: PotionMinor,
+        kind: PotionLarge,
         effect: Health((
             amount: 100,
             cause: Item,
         )),
-        ,
     ),
 )

assets/common/items/consumable/potion_med.ron

@@ -2,7 +2,7 @@ Item(
     name: "Medium Potion",
     description: "Restores 70 Health\n\n<Right-Click to use>",
     kind: Consumable(
-        kind: PotionMinor,
+        kind: PotionMed,
         effect: Health((
             amount: 70,
             cause: Item,

assets/common/items/crafting_ing/empty_vial.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Empty Vial",
+    description: "Can be filled with fluids.",
+    kind: Ingredient(
+        kind: EmptyVial,
+    )
+)

assets/common/items/crafting_ing/leather_scraps.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Leather Scraps",
+    description: "Used to craft various items.",
+    kind: Ingredient(
+        kind: LeatherScraps,
+    )
+)

assets/common/items/crafting_ing/shiny_gem.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Shiny Gem",
+    description: "It's so shiny!",
+    kind: Ingredient(
+        kind: ShinyGem,
+    )
+)

assets/common/items/crafting_ing/stones.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Stones",
+    description: "Pebbles from the ground.",
+    kind: Ingredient(
+        kind: Stones,
+    )
+)

assets/common/items/crafting_ing/twigs.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Twigs",
+    description: "Dry.",
+    kind: Ingredient(
+        kind: Twigs,
+    )
+)

assets/common/items/crafting_tools/craftsman_hammer.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Craftsman Hammer",
+    description: "Used to craft various items.",
+    kind: Ingredient(
+        kind: CraftsmanHammer,
+    )
+)

assets/common/items/crafting_tools/mortar_pestle.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Mortar and Pestle",
+    description: "Crushes and grinds things into\na fine powder or paste.\nUsed to craft various items.",
+    kind: Ingredient(
+        kind: MortarPestle,
+    )
+)

assets/common/items/debug/empty_vial.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Empty Vial",
+    description: "Can be filled with fluids.",
+    kind: Ingredient(
+        kind: EmptyVial,
+    )
+)

assets/common/items/debug/leather_scraps.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Leather Scraps",
+    description: "Used to craft various items.",
+    kind: Ingredient(
+        kind: LeatherScraps,
+    )
+)

assets/common/items/debug/shiny_gem.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Shiny Gem",
+    description: "It's so shiny!",
+    kind: Ingredient(
+        kind: ShinyGem,
+    )
+)

assets/common/items/debug/stones.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Stones",
+    description: "Pebbles from the ground.",
+    kind: Ingredient(
+        kind: Stones,
+    )
+)

assets/common/items/debug/twigs.ron

@@ -0,0 +1,7 @@
+Item(
+    name: "Twigs",
+    description: "Dry.",
+    kind: Ingredient(
+        kind: Twigs,
+    )
+)

assets/common/items/food/apple_mushroom_curry.ron

@@ -0,0 +1,11 @@
+Item(
+    name: "Mushroom Curry",
+    description: "Restores 120 Health\n\nWho could say no to that?\n\n<Right-Click to use>",
+    kind: Consumable(
+        kind: AppleShroomCurry,
+        effect: Health((
+            amount: 120,
+            cause: Item,
+        )),        
+    ),
+)

assets/common/items/food/apple_stick.ron

@@ -0,0 +1,11 @@
+Item(
+    name: "Apple Stick",
+    description: "Restores 60 Health\n\n<Right-Click to use>",
+    kind: Consumable(
+        kind: AppleStick,
+        effect: Health((
+            amount: 60,
+            cause: Item,
+        )),        
+    ),
+)

assets/common/items/food/mushroom_stick.ron

@@ -0,0 +1,11 @@
+Item(
+    name: "Mushroom Stick",
+    description: "Restores 50 Health\n\n<Right-Click to use>",
+    kind: Consumable(
+        kind: MushroomStick,
+        effect: Health((
+            amount: 50,
+            cause: Item,
+        )),        
+    ),
+)

assets/common/loot_table.ron

@@ -1,18 +1,23 @@
 [
     // All loot rates go here
     // food
-    (3, "common.items.cheese"),
+    (3, "common.items.food.cheese"),
-    (3, "common.items.apple"),
+    (3, "common.items.food.apple"),
-    (3, "common.items.mushroom"),
+    (3, "common.items.food.mushroom"),
+    (1, "common.items.food.coconut"),
     // miscellaneous
-    (0.4, "common.items.velorite"),
+    (0.4, "common.items.ore.velorite"),
-    (0.6, "common.items.veloritefrag"),
+    (0.6, "common.items.ore.veloritefrag"),    
-    (0.6, "common.items.cheese"),
+    (0.1, "common.items.consumable.potion_minor"),
-    (0.6, "common.items.apple"),
+    (0.01, "common.items.utility.collar"),
-    (1.5, "common.items.potion_minor"),
+    (0.01, "common.items.utility.bomb_pile"),
-    (0.5, "common.items.collar"),
+    (0.1, "common.items.utility.bomb"),
-    (0.5, "common.items.bomb_pile"),
+    // crafting ingredients
-    (1, "common.items.bomb"),
+    (0.5, "common.items.crafting_ing.shiny_gem"),
+    (2, "common.items.crafting_ing.leather_scraps"),
+    (1, "common.items.crafting_ing.empty_vial"),
+    (2, "common.items.crafting_ing.stones"),
+    (3, "common.items.crafting_ing.twigs"),
     // swords
     (0.1, "common.items.weapons.sword.starter_sword"),
     (0.1, "common.items.weapons.sword.wood_sword"),

assets/common/recipe_book.ron

@@ -0,0 +1,12 @@
+{
+	"crafting_hammer": (("common.items.crafting_tools.craftsman_hammer", 1),[("common.items.crafting_ing.twigs", 10), ("common.items.crafting_ing.stones", 10)]),
+	"mortar_pestle": (("common.items.crafting_tools.mortar_pestle", 1), [("common.items.crafting_ing.stones", 6), ("common.items.food.coconut", 2), ("common.items.crafting_tools.craftsman_hammer", 0)]),	
+	"velorite_frag": (("common.items.ore.veloritefrag", 2), [("common.items.ore.velorite", 1), ("common.items.crafting_tools.craftsman_hammer", 0)]),
+	"potion_s": (("common.items.consumable.potion_minor", 1), [("common.items.crafting_ing.empty_vial", 1), ("common.items.ore.veloritefrag", 2)]),
+	"potion_m": (("common.items.consumable.potion_med", 1), [("common.items.consumable.potion_minor", 2), ("common.items.ore.veloritefrag", 4)]),
+	"collar_basic": (("common.items.utility.collar", 1), [("common.items.crafting_ing.leather_scraps", 5), ("common.items.crafting_ing.shiny_gem", 1)]),
+	"bomb_coconut": (("common.items.utility.bomb", 1), [("common.items.crafting_ing.stones", 10), ("common.items.food.coconut", 2), ("common.items.ore.veloritefrag", 2), ("common.items.crafting_tools.mortar_pestle", 0)]),	
+	"apple_shroom_curry": (("common.items.food.apple_mushroom_curry", 1), [("common.items.food.mushroom", 10), ("common.items.food.coconut", 1), ("common.items.food.apple", 5), ("common.items.crafting_tools.mortar_pestle", 0)]),
+	"apples_stick": (("common.items.food.apple_stick", 1),[("common.items.crafting_ing.twigs", 1), ("common.items.food.apple", 3)]),
+	"mushroom_stick": (("common.items.food.mushroom_stick", 1),[("common.items.crafting_ing.twigs", 1), ("common.items.food.mushroom", 5)]),
+}	

assets/voxygen/i18n/de_DE.ron

@@ -304,6 +304,8 @@ magischen Gegenstände ergattern?"#,
         "hud.settings.audio_device": "Ausgabegerät",
 
         "hud.settings.awaitingkey": "Drückt eine Taste...",
+        "hud.settings.unbound": "-",
+        "hud.settings.reset_keybinds": "Auf Standard zurücksetzen",
 
         "hud.social": "Sozial",
         "hud.social.online": "Online",
@@ -314,6 +316,12 @@ magischen Gegenstände ergattern?"#,
 
         "hud.spell": "Zauber",
 
+        "hud.crafting": "Herstellen",
+        "hud.crafting.recipes": "Rezepte",
+        "hud.crafting.ingredients": "Zutaten:",
+        "hud.crafting.craft": "Herstellen",
+        "hud.crafting.tool_cata": "Benötigt:",
+
         "hud.free_look_indicator": "Freie Sicht aktiv",
         "hud.auto_walk_indicator": "Automatisches Laufen aktiv",
 

assets/voxygen/i18n/en.ron

@@ -118,8 +118,6 @@ Thanks for taking the time to read this notice, we hope you enjoy the game!
         // Login process description
         "main.login_process": r#"Information on the Login Process:
 
-If you are having issues signing in:
-
 Please note that you now need an account
 to play on auth-enabled servers.
 
@@ -313,6 +311,12 @@ magically infused items?"#,
         "hud.social.faction": "Faction",
         "hud.social.play_online_fmt": "{nb_player} player(s) online",
 
+        "hud.crafting": "Crafting",
+        "hud.crafting.recipes": "Recipes",
+        "hud.crafting.ingredients": "Ingredients:",
+        "hud.crafting.craft": "Craft",
+        "hud.crafting.tool_cata": "Requires:",
+
         "hud.spell": "Spells",        
 
         "hud.free_look_indicator": "Free look active",

assets/voxygen/item_image_manifest.ron

@@ -743,24 +743,30 @@
     ),
     // Consumables
     Consumable(Apple):
-    VoxTrans(
+    Png(
         "element.icons.item_apple",
-        (0.0, 0.0, 0.0), (-90.0, 90.0, 0.0), 1.0,
     ),
     Consumable(Coconut): Png(
         "element.icons.item_coconut",
     ),
+    Consumable(PotionMed): VoxTrans(
+        "voxel.object.potion_red",
+        (0.0, 0.0, 0.0), (-50.0, 30.0, 20.0), 0.7,
+    ),
     Consumable(PotionMinor): VoxTrans(
         "voxel.object.potion_red",
-        (0.0, 0.0, 0.0), (-50.0, 30.0, 20.0), 0.8,
+        (0.0, 0.0, 0.0), (-50.0, 30.0, 20.0), 0.5,
+    ),
+    Consumable(PotionLarge): VoxTrans(
+        "voxel.object.potion_red",
+        (0.0, 0.0, 0.0), (-50.0, 30.0, 20.0), 0.9,
     ),
     Consumable(PotionExp): VoxTrans(
         "voxel.object.potion_turq",
         (0.0, 0.0, 0.0), (-50.0, 30.0, 20.0), 0.8,
     ),
-    Consumable(Cheese): VoxTrans(
+    Consumable(Cheese): Png(
         "element.icons.item_cheese",
-        (0.0, 0.0, 0.0), (-90.0, 90.0, 0.0), 0.9,
     ),
     Consumable(Potion): VoxTrans(
         "voxel.object.potion_red",
@@ -776,18 +782,32 @@
     ),
     Consumable(VeloriteFrag): VoxTrans(
         "voxel.sprite.velorite.velorite_1",
-        (0.0, -1.0, 0.0), (-50.0, 40.0, 20.0), 0.8,
+        (0.0, 0.0, 0.0), (-50.0, 40.0, 20.0), 0.8,
     ),
+    Consumable(AppleShroomCurry): Png(
+        "element.icons.item_apple_curry",
+    ),
+    Consumable(AppleStick): Png(
+        "element.icons.item_apple_stick",
+    ),
+    Consumable(MushroomStick): Png(
+        "element.icons.item_shroom_stick",
+    ),
+        
     // Throwables
     Throwable(Bomb): VoxTrans(
         "voxel.object.bomb",
-        (0.0, -1.0, 0.0), (-50.0, 40.0, 20.0), 0.8,
+        (0.0, 0.5, 0.0), (-50.0, 40.0, 20.0), 0.8,
     ),
     Throwable(TrainingDummy): VoxTrans(
         "voxel.object.training_dummy",
         (0.0, -1.0, 0.0), (-50.0, 40.0, 20.0), 0.8,
     ),
     // Ingredients
+    Ingredient(CraftsmanHammer): VoxTrans( //TODO This should be a 1h hammer!
+        "voxel.weapon.hammer.craftsman",
+        (1.0, 1.0, 0.0), (-135.0, 90.0, 0.0), 1.0,
+    ),
     Ingredient(Flower): VoxTrans(
         "voxel.sprite.flowers.flower_red_2",
         (0.0, -1.0, 0.0), (-50.0, 40.0, 20.0), 0.8,
@@ -796,6 +816,27 @@
         "voxel.sprite.grass.grass_long_5",
         (0.0, 0.0, 0.0), (-90.0, 50.0, 0.0), 1.0,
     ),
+    Ingredient(Stones): VoxTrans(
+        "voxel.sprite.rocks.rock-0",
+        (0.0, 0.0, 0.0), (-50.0, 40.0, 20.0), 0.8,
+    ),
+    Ingredient(Twigs): VoxTrans(
+        "voxel.sprite.twigs.twigs-0",
+        (0.0, 0.0, 0.0), (-20.0, 10.0, 20.0), 0.9,
+    ),
+    Ingredient(LeatherScraps): Png(
+        "element.icons.item_leather0",
+    ),
+    Ingredient(ShinyGem): Png(
+        "element.icons.gem",
+    ),
+    Ingredient(MortarPestle): Png(
+        "element.icons.item_mortarpestlecoco",
+    ),
+    Ingredient(EmptyVial): VoxTrans(
+        "voxel.object.potion_empty",
+        (0.0, 0.0, 0.0), (-50.0, 30.0, 20.0), 0.8,
+    ),
     // Debug Items
     Tool(Debug(Boost)): VoxTrans(
         "voxel.weapon.tool.broom_belzeshrub_purple",

assets/voxygen/voxel/humanoid_main_weapon_manifest.ron

@@ -176,6 +176,10 @@
         vox_spec: ("weapon.hammer.rusty_2h", (-2.5, -5.5, -4.0)),
         color: None
     ),
+    /*Dagger(Craftsman): ( //TODO This should be a 1h hammer!
+        vox_spec: ("weapon.hammer.craftsman", (-2.0, -5.0, -5.5)),
+        color: None
+    ),*/
     // Daggers
     Dagger(BasicDagger): (
         vox_spec: ("weapon.dagger.dagger_rusty", (-1.5, -3.0, -3.0)),

client/src/lib.rs

@@ -1,5 +1,5 @@
 #![deny(unsafe_code)]
-#![feature(label_break_value)]
+#![feature(label_break_value, option_zip)]
 
 pub mod cmd;
 pub mod error;
@@ -25,6 +25,7 @@ use common::{
         PlayerInfo, PlayerListUpdate, RegisterError, RequestStateError, ServerInfo, ServerMsg,
         MAX_BYTES_CHAT_MSG,
     },
+    recipe::RecipeBook,
     state::State,
     sync::{Uid, UidAllocator, WorldSyncExt},
     terrain::{block::Block, TerrainChunk, TerrainChunkSize},
@@ -33,7 +34,7 @@ use common::{
 use futures_executor::block_on;
 use futures_timer::Delay;
 use futures_util::{select, FutureExt};
-use hashbrown::HashMap;
+use hashbrown::{HashMap, HashSet};
 use image::DynamicImage;
 use network::{
     Network, Participant, Pid, ProtocolAddr, Stream, PROMISES_CONSISTENCY, PROMISES_ORDERED,
@@ -75,6 +76,8 @@ pub struct Client {
     pub player_list: HashMap<Uid, PlayerInfo>,
     pub character_list: CharacterList,
     pub active_character_id: Option<i32>,
+    recipe_book: RecipeBook,
+    available_recipes: HashSet<String>,
 
     _network: Network,
     participant: Option<Participant>,
@@ -123,7 +126,7 @@ impl Client {
         let mut stream = block_on(participant.open(10, PROMISES_ORDERED | PROMISES_CONSISTENCY))?;
 
         // Wait for initial sync
-        let (state, entity, server_info, world_map) = block_on(async {
+        let (state, entity, server_info, world_map, recipe_book) = block_on(async {
             loop {
                 match stream.recv().await? {
                     ServerMsg::InitialSync {
@@ -131,6 +134,7 @@ impl Client {
                         server_info,
                         time_of_day,
                         world_map: (map_size, world_map),
+                        recipe_book,
                     } => {
                         // TODO: Display that versions don't match in Voxygen
                         if &server_info.git_hash != *common::util::GIT_HASH {
@@ -174,7 +178,13 @@ impl Client {
                         );
                         debug!("Done preparing image...");
 
-                        break Ok((state, entity, server_info, (world_map, map_size)));
+                        break Ok((
+                            state,
+                            entity,
+                            server_info,
+                            (world_map, map_size),
+                            recipe_book,
+                        ));
                     },
                     ServerMsg::TooManyPlayers => break Err(Error::TooManyPlayers),
                     err => {
@@ -200,6 +210,8 @@ impl Client {
             player_list: HashMap::new(),
             character_list: CharacterList::default(),
             active_character_id: None,
+            recipe_book,
+            available_recipes: HashSet::default(),
 
             _network: network,
             participant: Some(participant),
@@ -372,6 +384,40 @@ impl Client {
         }
     }
 
+    pub fn recipe_book(&self) -> &RecipeBook { &self.recipe_book }
+
+    pub fn available_recipes(&self) -> &HashSet<String> { &self.available_recipes }
+
+    pub fn can_craft_recipe(&self, recipe: &str) -> bool {
+        self.recipe_book
+            .get(recipe)
+            .zip(self.inventories().get(self.entity))
+            .map(|(recipe, inv)| inv.contains_ingredients(&*recipe).is_ok())
+            .unwrap_or(false)
+    }
+
+    pub fn craft_recipe(&mut self, recipe: &str) -> bool {
+        if self.can_craft_recipe(recipe) {
+            self.singleton_stream
+                .send(ClientMsg::ControlEvent(ControlEvent::InventoryManip(
+                    InventoryManip::CraftRecipe(recipe.to_string()),
+                )))
+                .unwrap();
+            true
+        } else {
+            false
+        }
+    }
+
+    fn update_available_recipes(&mut self) {
+        self.available_recipes = self
+            .recipe_book
+            .iter()
+            .map(|(name, _)| name.clone())
+            .filter(|name| self.can_craft_recipe(name))
+            .collect();
+    }
+
     pub fn toggle_lantern(&mut self) {
         self.singleton_stream
             .send(ClientMsg::ControlEvent(ControlEvent::ToggleLantern))
@@ -949,6 +995,8 @@ impl Client {
                         },
                     }
 
+                    self.update_available_recipes();
+
                     frontend_events.push(Event::InventoryUpdated(event));
                 },
                 ServerMsg::TerrainChunkUpdate { key, chunk } => {

common/src/assets/mod.rs

@@ -80,13 +80,14 @@ pub fn load_map<A: Asset + 'static, F: FnOnce(A) -> A>(
     specifier: &str,
     f: F,
 ) -> Result<Arc<A>, Error> {
-    let mut assets_write = ASSETS.write().unwrap();
+    let assets_write = ASSETS.read().unwrap();
     match assets_write.get(specifier) {
         Some(asset) => Ok(Arc::clone(asset).downcast()?),
         None => {
+            drop(assets_write); // Drop the asset hashmap to permit recursive loading
             let asset = Arc::new(f(A::parse(load_file(specifier, A::ENDINGS)?)?));
             let clone = Arc::clone(&asset);
-            assets_write.insert(specifier.to_owned(), clone);
+            ASSETS.write().unwrap().insert(specifier.to_owned(), clone);
             Ok(asset)
         },
     }

common/src/comp/controller.rs

@@ -15,6 +15,7 @@ pub enum InventoryManip {
     Use(Slot),
     Swap(Slot, Slot),
     Drop(Slot),
+    CraftRecipe(String),
 }
 
 #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]

common/src/comp/inventory/item/armor.rs

@@ -349,5 +349,14 @@ pub enum Armor {
     Tabard(Tabard),
 }
 
+impl Armor {
+    /// Determines whether two pieces of armour are superficially equivalent to
+    /// one another (i.e: one may be substituted for the other in crafting
+    /// recipes or item possession checks).
+    pub fn superficially_eq(&self, other: &Self) -> bool {
+        std::mem::discriminant(self) == std::mem::discriminant(other)
+    }
+}
+
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
 pub struct Stats(pub u32);

common/src/comp/inventory/item/mod.rs

@@ -26,7 +26,12 @@ pub enum Consumable {
     Velorite,
     VeloriteFrag,
     PotionMinor,
+    PotionMed,
+    PotionLarge,
     PotionExp,
+    AppleShroomCurry,
+    AppleStick,
+    MushroomStick,
 }
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
@@ -44,6 +49,13 @@ pub enum Utility {
 pub enum Ingredient {
     Flower,
     Grass,
+    EmptyVial,
+    LeatherScraps,
+    ShinyGem,
+    Stones,
+    Twigs,
+    MortarPestle,
+    CraftsmanHammer,
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
@@ -159,13 +171,25 @@ impl Item {
 
     pub fn description(&self) -> &str { &self.description }
 
+    pub fn amount(&self) -> u32 {
+        match &self.kind {
+            ItemKind::Tool(_) => 1,
+            ItemKind::Lantern(_) => 1,
+            ItemKind::Armor { .. } => 1,
+            ItemKind::Consumable { amount, .. } => *amount,
+            ItemKind::Throwable { amount, .. } => *amount,
+            ItemKind::Utility { amount, .. } => *amount,
+            ItemKind::Ingredient { amount, .. } => *amount,
+        }
+    }
+
     pub fn try_reclaim_from_block(block: Block) -> Option<Self> {
         match block.kind() {
-            BlockKind::Apple => Some(assets::load_expect_cloned("common.items.apple")),
+            BlockKind::Apple => Some(assets::load_expect_cloned("common.items.food.apple")),
-            BlockKind::Mushroom => Some(assets::load_expect_cloned("common.items.mushroom")),
+            BlockKind::Mushroom => Some(assets::load_expect_cloned("common.items.food.mushroom")),
-            BlockKind::Velorite => Some(assets::load_expect_cloned("common.items.velorite")),
+            BlockKind::Velorite => Some(assets::load_expect_cloned("common.items.ore.velorite")),
             BlockKind::VeloriteFrag => {
-                Some(assets::load_expect_cloned("common.items.veloritefrag"))
+                Some(assets::load_expect_cloned("common.items.ore.veloritefrag"))
             },
             BlockKind::BlueFlower => Some(assets::load_expect_cloned("common.items.flowers.blue")),
             BlockKind::PinkFlower => Some(assets::load_expect_cloned("common.items.flowers.pink")),
@@ -185,16 +209,44 @@ impl Item {
                 Some(assets::load_expect_cloned("common.items.grasses.medium"))
             },
             BlockKind::ShortGrass => Some(assets::load_expect_cloned("common.items.grasses.short")),
-            BlockKind::Coconut => Some(assets::load_expect_cloned("common.items.coconut")),
+            BlockKind::Coconut => Some(assets::load_expect_cloned("common.items.food.coconut")),
             BlockKind::Chest => {
                 let chosen = assets::load_expect::<lottery::Lottery<_>>("common.loot_table");
                 let chosen = chosen.choose();
 
                 Some(assets::load_expect_cloned(chosen))
             },
+            BlockKind::Stones => Some(assets::load_expect_cloned(
+                "common.items.crafting_ing.stones",
+            )),
+            BlockKind::Twigs => Some(assets::load_expect_cloned(
+                "common.items.crafting_ing.twigs",
+            )),
+            BlockKind::ShinyGem => Some(assets::load_expect_cloned(
+                "common.items.crafting_ing.shiny_gem",
+            )),
             _ => None,
         }
     }
+
+    /// Determines whether two items are superficially equivalent to one another
+    /// (i.e: one may be substituted for the other in crafting recipes or
+    /// item possession checks).
+    pub fn superficially_eq(&self, other: &Self) -> bool {
+        match (&self.kind, &other.kind) {
+            (ItemKind::Tool(a), ItemKind::Tool(b)) => a.superficially_eq(b),
+            // TODO: Differentiate between lantern colors?
+            (ItemKind::Lantern(_), ItemKind::Lantern(_)) => true,
+            (ItemKind::Armor { kind: a, .. }, ItemKind::Armor { kind: b, .. }) => {
+                a.superficially_eq(b)
+            },
+            (ItemKind::Consumable { kind: a, .. }, ItemKind::Consumable { kind: b, .. }) => a == b,
+            (ItemKind::Throwable { kind: a, .. }, ItemKind::Throwable { kind: b, .. }) => a == b,
+            (ItemKind::Utility { kind: a, .. }, ItemKind::Utility { kind: b, .. }) => a == b,
+            (ItemKind::Ingredient { kind: a, .. }, ItemKind::Ingredient { kind: b, .. }) => a == b,
+            _ => false,
+        }
+    }
 }
 
 impl Component for Item {