Add hunger

src/main.rs

@@ -14,6 +14,8 @@ use player::*;
 use visibility_system::*;
 
 use crate::gamelog::GameLog;
+use crate::healing_system::HealingSystem;
+use crate::hunger_system::HungerSystem;
 use crate::inventory_system::{
     ItemCollectionSystem, ItemDropSystem, ItemRemoveSystem, ItemUseSystem,
 };
@@ -35,6 +37,8 @@ mod rect;
 mod save_load_system;
 mod spawner;
 mod visibility_system;
+mod hunger_system;
+mod healing_system;
 
 #[derive(PartialEq, Copy, Clone)]
 pub enum RunState {
@@ -213,6 +217,9 @@ impl State {
         let mut damage_system = DamageSystem {};
         damage_system.run_now(&self.ecs);
 
+        let mut healing_system = HealingSystem {};
+        healing_system.run_now(&self.ecs);
+
         let mut inventory = ItemCollectionSystem {};
         inventory.run_now(&self.ecs);
 
@@ -225,6 +232,9 @@ impl State {
         let mut remove_items = ItemRemoveSystem {};
         remove_items.run_now(&self.ecs);
 
+        let mut hunger = HungerSystem {};
+        hunger.run_now(&self.ecs);
+
         let mut particle_spawn = ParticleSpawnSystem {};
         particle_spawn.run_now(&self.ecs);
 
@@ -458,6 +468,9 @@ fn main() -> rltk::BError {
     gs.ecs.register::<DefenseBonus>();
     gs.ecs.register::<WantsToRemoveItem>();
     gs.ecs.register::<ParticleLifetime>();
+    gs.ecs.register::<HungerClock>();
+    gs.ecs.register::<Heals>();
+    gs.ecs.register::<ProvidesFood>();
 
     gs.ecs.insert(SimpleMarkerAllocator::<SerializeMe>::new());