Add healing potions and maps to maps

src/components.rs

@@ -70,3 +70,11 @@ impl FieldOfView {
         }
     }
 }
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub struct ProvidesHealing {
+    pub amount: i32,
+}
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub struct ProvidesDungeonMap;

src/main.rs

@@ -47,7 +47,7 @@ impl State {
         map_builder
             .monster_spawns
             .iter()
-            .for_each(|pos| spawn_monster(&mut ecs, &mut rng, *pos));
+            .for_each(|pos| spawn_entity(&mut ecs, &mut rng, *pos));
 
         resources.insert(map_builder.map);
         resources.insert(Camera::new(map_builder.player_start));
@@ -71,11 +71,9 @@ impl State {
         spawn_player(&mut self.ecs, map_builder.player_start);
         spawn_amulet_of_yala(&mut self.ecs, map_builder.amulet_start);
         map_builder
-            .rooms
+            .monster_spawns
             .iter()
-            .skip(1)
-            .map(|r| r.center())
-            .for_each(|pos| spawn_monster(&mut self.ecs, &mut rng, pos));
+            .for_each(|pos| spawn_entity(&mut self.ecs, &mut rng, *pos));
         self.resources.insert(map_builder.map);
         self.resources.insert(Camera::new(map_builder.player_start));
         self.resources.insert(TurnState::AwaitingInput);

src/spawner.rs

@@ -53,6 +53,41 @@ pub fn spawn_amulet_of_yala(ecs: &mut World, pos: Point) {
     ));
 }
 
+pub fn spawn_healing_potion(ecs: &mut World, pos: Point) {
+    ecs.push((
+        Item,
+        pos,
+        Render {
+            color: ColorPair::new(WHITE, BLACK),
+            glyph: to_cp437('!'),
+        },
+        Name("Healing Potion".to_string()),
+        ProvidesHealing { amount: 6 },
+    ));
+}
+
+pub fn spawn_magic_mapper(ecs: &mut World, pos: Point) {
+    ecs.push((
+        Item,
+        pos,
+        Render {
+            color: ColorPair::new(WHITE, BLACK),
+            glyph: to_cp437('{'),
+        },
+        Name("Dungeon Map".to_string()),
+        ProvidesDungeonMap,
+    ));
+}
+
+pub fn spawn_entity(ecs: &mut World, rng: &mut RandomNumberGenerator, pos: Point) {
+    let roll = rng.roll_dice(1, 6);
+    match roll {
+        1 => spawn_healing_potion(ecs, pos),
+        2 => spawn_magic_mapper(ecs, pos),
+        _ => spawn_monster(ecs, rng, pos),
+    }
+}
+
 fn goblin() -> (i32, String, FontCharType) {
     (1, "Goblin".to_string(), to_cp437('g'))
 }