Initial Commit

Assets/Scripts/UI/HudManager.cs

@@ -0,0 +1,42 @@
+using DefaultNamespace;
+using System;
+using UnityEngine;
+using Zenject;
+
+namespace UI
+{
+	public class HudManager : InjectableComponentSystem
+	{
+		[Serializable]
+		public class Settings
+		{
+			public CanvasGroup BloodyScreen;
+			public float CriticalHealth;
+			public GameObject GameOverScreen;
+		}
+
+		[Inject] private readonly Settings settings;
+
+		protected override void OnStartRunning()
+		{
+		}
+
+		protected override void OnStopRunning()
+		{
+			if (settings.BloodyScreen != null)
+			{
+				settings.BloodyScreen.alpha = 0;
+			}
+		}
+
+		protected override void OnSystemUpdate()
+		{
+			Entities.ForEach(
+				(ref PlayerData player, ref ActorData actor) =>
+				{
+					settings.BloodyScreen.alpha = 1 - Mathf.Clamp01(actor.Health / settings.CriticalHealth);
+					settings.GameOverScreen.SetActive(actor.Health <= 0);
+				});
+		}
+	}
+}