item identification

src/components.rs

@@ -228,6 +228,11 @@ pub struct ObfuscatedName {
     pub plural: String,
 }
 
+#[derive(Component, Debug, Serialize, Deserialize, Clone)]
+pub struct IdentifiedItem {
+    pub name: String,
+}
+
 #[derive(Component, Debug, Serialize, Deserialize, Clone)]
 pub struct EquipmentChanged {}
 

src/gui/mod.rs

@@ -185,6 +185,7 @@ pub fn draw_ui(ecs: &World, ctx: &mut Rltk) {
         // Draw entities seen on screen
         let viewsheds = ecs.read_storage::<Viewshed>();
         let renderables = ecs.read_storage::<Renderable>();
+        let names = ecs.read_storage::<Name>();
         let hidden = ecs.read_storage::<Hidden>();
         let props = ecs.read_storage::<Prop>();
         let map = ecs.fetch::<Map>();
@@ -193,7 +194,10 @@ pub fn draw_ui(ecs: &World, ctx: &mut Rltk) {
         for tile in viewshed.visible_tiles.iter() {
             let idx = map.xy_idx(tile.x, tile.y);
             for entity in map.tile_content[idx].iter() {
-                let mut draw = true;
+                let mut draw = false;
+                if let Some(_) = names.get(*entity) {
+                    draw = true;
+                }
                 let prop = props.get(*entity);
                 if let Some(_) = prop {
                     draw = false;

src/inventory_system.rs

@@ -1,8 +1,8 @@
 use super::{
     gamelog, Confusion, Consumable, Cursed, Destructible, Digger, EquipmentChanged, Equippable, Equipped, HungerClock,
-    HungerState, InBackpack, InflictsDamage, MagicMapper, Map, Name, ParticleBuilder, Point, Pools, Position,
-    ProvidesHealing, ProvidesNutrition, RandomNumberGenerator, RunState, SufferDamage, TileType, Viewshed, Wand,
-    WantsToDropItem, WantsToPickupItem, WantsToRemoveItem, WantsToUseItem, AOE, DEFAULT_PARTICLE_LIFETIME,
+    HungerState, IdentifiedItem, InBackpack, InflictsDamage, MagicMapper, Map, Name, ParticleBuilder, Point, Pools,
+    Position, ProvidesHealing, ProvidesNutrition, RandomNumberGenerator, RunState, SufferDamage, TileType, Viewshed,
+    Wand, WantsToDropItem, WantsToPickupItem, WantsToRemoveItem, WantsToUseItem, AOE, DEFAULT_PARTICLE_LIFETIME,
     LONG_PARTICLE_LIFETIME,
 };
 use specs::prelude::*;
@@ -48,6 +48,7 @@ impl<'a> System<'a> for ItemCollectionSystem {
 // systems.
 type EquipComponents<'a> =
     (ReadStorage<'a, Equippable>, WriteStorage<'a, Equipped>, WriteStorage<'a, EquipmentChanged>);
+type NameComponents<'a> = (WriteStorage<'a, Name>, WriteStorage<'a, IdentifiedItem>);
 
 pub struct ItemUseSystem {}
 impl<'a> System<'a> for ItemUseSystem {
@@ -58,7 +59,7 @@ impl<'a> System<'a> for ItemUseSystem {
         WriteExpect<'a, RandomNumberGenerator>,
         Entities<'a>,
         WriteStorage<'a, WantsToUseItem>,
-        WriteStorage<'a, Name>,
+        NameComponents<'a>,
         WriteStorage<'a, Consumable>,
         WriteStorage<'a, Wand>,
         ReadStorage<'a, Destructible>,
@@ -88,7 +89,7 @@ impl<'a> System<'a> for ItemUseSystem {
             mut rng,
             entities,
             mut wants_to_use,
-            mut names,
+            (mut names, mut identified_items),
             mut consumables,
             mut wands,
             destructibles,
@@ -393,6 +394,12 @@ impl<'a> System<'a> for ItemUseSystem {
 
             // ITEM DELETION AFTER USE
             if used_item {
+                // Identify
+                if entity == *player_entity {
+                    identified_items
+                        .insert(entity, IdentifiedItem { name: item_being_used.name.clone() })
+                        .expect("Unable to insert");
+                }
                 let consumable = consumables.get(wants_to_use.item);
                 match consumable {
                     None => {}
@@ -411,6 +418,39 @@ impl<'a> System<'a> for ItemUseSystem {
     }
 }
 
+pub struct ItemIdentificationSystem {}
+
+impl<'a> System<'a> for ItemIdentificationSystem {
+    #[allow(clippy::type_complexity)]
+    type SystemData = (
+        ReadStorage<'a, crate::components::Player>,
+        WriteStorage<'a, IdentifiedItem>,
+        WriteExpect<'a, crate::map::MasterDungeonMap>,
+        ReadStorage<'a, crate::Item>,
+        ReadStorage<'a, Name>,
+        WriteStorage<'a, crate::ObfuscatedName>,
+        Entities<'a>,
+    );
+
+    fn run(&mut self, data: Self::SystemData) {
+        let (player, mut identified, mut dm, items, names, mut obfuscated_names, entities) = data;
+        for (_p, id) in (&player, &identified).join() {
+            let tag = crate::raws::get_id_from_name(id.name.clone());
+            if !dm.identified_items.contains(&id.name) && crate::raws::is_tag_magic(&tag) {
+                dm.identified_items.insert(id.name.clone());
+
+                for (entity, _item, name) in (&entities, &items, &names).join() {
+                    if name.name == id.name {
+                        obfuscated_names.remove(entity);
+                    }
+                }
+            }
+        }
+        // Clean up
+        identified.clear();
+    }
+}
+
 pub struct ItemDropSystem {}
 
 impl<'a> System<'a> for ItemDropSystem {

src/main.rs

@@ -108,6 +108,7 @@ impl State {
         let mut item_use_system = ItemUseSystem {};
         let mut item_drop_system = ItemDropSystem {};
         let mut item_remove_system = ItemRemoveSystem {};
+        let mut item_id_system = ItemIdentificationSystem {};
         let mut hunger_clock = hunger_system::HungerSystem {};
         let mut particle_system = particle_system::ParticleSpawnSystem {};
 
@@ -125,6 +126,7 @@ impl State {
         item_use_system.run_now(&self.ecs);
         item_drop_system.run_now(&self.ecs);
         item_remove_system.run_now(&self.ecs);
+        item_id_system.run_now(&self.ecs);
         melee_system.run_now(&self.ecs);
         damage_system.run_now(&self.ecs);
         hunger_clock.run_now(&self.ecs);
@@ -537,6 +539,7 @@ fn main() -> rltk::BError {
     gs.ecs.register::<WantsToMelee>();
     gs.ecs.register::<SufferDamage>();
     gs.ecs.register::<Item>();
+    gs.ecs.register::<IdentifiedItem>();
     gs.ecs.register::<MagicItem>();
     gs.ecs.register::<GrantsXP>();
     gs.ecs.register::<LootTable>();

src/raws/rawmaster.rs

@@ -111,7 +111,10 @@ pub fn spawn_named_entity(
 pub fn spawn_named_item(raws: &RawMaster, ecs: &mut World, key: &str, pos: SpawnType) -> Option<Entity> {
     if raws.item_index.contains_key(key) {
         let item_template = &raws.raws.items[raws.item_index[key]];
-        let scroll_names = ecs.fetch::<crate::map::MasterDungeonMap>().scroll_map.clone();
+        let dm = ecs.fetch::<crate::map::MasterDungeonMap>();
+        let scroll_names = dm.scroll_map.clone();
+        let identified_items = dm.identified_items.clone();
+        std::mem::drop(dm);
         let mut eb = ecs.create_entity().marked::<SimpleMarker<SerializeMe>>();
 
         eb = eb.with(Name { name: item_template.name.name.clone(), plural: item_template.name.plural.clone() });
@@ -178,6 +181,7 @@ pub fn spawn_named_item(raws: &RawMaster, ecs: &mut World, key: &str, pos: Spawn
             };
             eb = eb.with(MagicItem { class: item_class });
 
+            if !identified_items.contains(&item_template.name.name) {
                 #[allow(clippy::single_match)]
                 match magic_item.naming.as_str() {
                     "scroll" => {
@@ -189,6 +193,7 @@ pub fn spawn_named_item(raws: &RawMaster, ecs: &mut World, key: &str, pos: Spawn
                     _ => {}
                 }
             }
+        }
 
         if weapon_type != -1 {
             let (n_dice, die_type, bonus) = parse_dice_string(base_damage);
@@ -655,3 +660,23 @@ pub fn get_scroll_tags() -> Vec<String> {
     }
     return result;
 }
+
+pub fn get_id_from_name(name: String) -> String {
+    let raws = &super::RAWS.lock().unwrap();
+    for item in &raws.raws.items {
+        if item.name.name == name {
+            return item.id.clone();
+        }
+    }
+    return "null".to_string();
+}
+
+pub fn is_tag_magic(tag: &str) -> bool {
+    let raws = &super::RAWS.lock().unwrap();
+    if raws.item_index.contains_key(tag) {
+        let item_template = &raws.raws.items[raws.item_index[tag]];
+        return item_template.magic.is_some();
+    } else {
+        return false;
+    }
+}

src/saveload_system.rs

@@ -73,6 +73,7 @@ pub fn save_game(ecs: &mut World) {
             GrantsXP,
             Hidden,
             HungerClock,
+            IdentifiedItem,
             InBackpack,
             InflictsDamage,
             Item,
@@ -187,6 +188,7 @@ pub fn load_game(ecs: &mut World) {
             GrantsXP,
             Hidden,
             HungerClock,
+            IdentifiedItem,
             InBackpack,
             InflictsDamage,
             Item,

src/spawner.rs

@@ -72,8 +72,22 @@ pub fn player(ecs: &mut World, player_x: i32, player_y: i32) -> Entity {
     raws::spawn_named_entity(
         &raws::RAWS.lock().unwrap(),
         ecs,
-        "equip_dagger",
-        raws::SpawnType::Equipped { by: player },
+        "scroll_fireball",
+        raws::SpawnType::Carried { by: player },
+        0,
+    );
+    raws::spawn_named_entity(
+        &raws::RAWS.lock().unwrap(),
+        ecs,
+        "scroll_fireball",
+        raws::SpawnType::Carried { by: player },
+        0,
+    );
+    raws::spawn_named_entity(
+        &raws::RAWS.lock().unwrap(),
+        ecs,
+        "scroll_fireball",
+        raws::SpawnType::Carried { by: player },
         0,
     );
     raws::spawn_named_entity(