riversong code showcase

Source/Riversong/Game/UI/Panels/PopulationPanel/PopulationPanelUIController.cs

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+using Cysharp.Threading.Tasks;
+using Unity.Mathematics;
+
+namespace DanieleMarotta.RiversongCodeShowcase
+{
+    public class PopulationPanelUIController : UIControllerSystem<PopulationPanelUIView>, IUpdatable
+    {
+        [InjectService]
+        private World _world;
+
+        private PopulationPanelModel _model;
+
+        public PopulationPanelUIController(IServiceLocator serviceLocator) : base(serviceLocator)
+        {
+        }
+
+        protected override PopulationPanelUIView View => UIRoot.GetView<PopulationPanelUIView>();
+
+        public override async UniTask InitializeAsync()
+        {
+            await base.InitializeAsync();
+
+            _model = new PopulationPanelModel();
+            View.SetModel(_model);
+        }
+
+        public void Update()
+        {
+            var population = _world.PopulationState.Population;
+            var happiness = math.clamp((int)math.round(_world.PopulationState.Happiness * 100), 0, 100);
+            _model.Update(population, happiness, _world.ProductionState.LaborTier);
+
+            View.UpdateHappinessIconAnimation();
+        }
+    }
+}