Initial Commit

Assets/Scripts/Systems/Player/PlayerEmotionSystem.cs

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+using System;
+using Unity.Entities;
+using Unity.Mathematics;
+using UnityEngine;
+using Zenject;
+
+namespace DefaultNamespace
+{
+	/// <summary>
+	/// Changes emotion states based on animation triggers.
+	/// It also swaps the face sprites for each emotion.
+	/// </summary>
+	[UpdateInGroup(typeof(PresentationSystemGroup)), UpdateAfter(typeof(PlayerWeaponSystem)), UpdateBefore(typeof(ActorAnimationSystem))]
+	// Triggers the attack animation trigger
+	 // Resets animation triggers, and we use them
+	public class PlayerEmotionSystem : InjectableComponentSystem
+	{
+		[Serializable]
+		public class Settings
+		{
+			public float EmotionDuration = 1;
+			[Tooltip("Emotions")] public Sprite NormalEmotion;
+			public Sprite AngryEmotion;
+		}
+
+		[Inject] private Settings settings;
+
+		#region Overrides of InjectableComponentSystem
+
+		protected override void OnSystemUpdate()
+		{
+			Entities.WithAllReadOnly<ActorBodyParts>()
+				.ForEach(
+					(Entity entity, ref ActorAnimationData animationData) =>
+					{
+						EntityManager.TryGetComponentObject<ActorBodyParts>(entity, out var actorBodyParts);
+						if (!actorBodyParts.EmotionRenderer)
+						{
+							return;
+						}
+						animationData.EmotionTimer = math.saturate(animationData.EmotionTimer - Time.DeltaTime);
+
+						if ((animationData.Triggers & AnimationTriggerType.Attack) != 0 || (animationData.Triggers & AnimationTriggerType.Melee) != 0)
+						{
+							animationData.Emotion = EmotionType.Angry;
+							animationData.EmotionTimer = settings.EmotionDuration;
+						}
+
+						if (animationData.EmotionTimer <= 0)
+						{
+							animationData.Emotion = EmotionType.Neutral;
+						}
+
+						switch (animationData.Emotion)
+						{
+							case EmotionType.Angry:
+								actorBodyParts.EmotionRenderer.sprite = settings.AngryEmotion;
+								break;
+
+							default:
+								actorBodyParts.EmotionRenderer.sprite = settings.NormalEmotion;
+								break;
+						}
+					});
+		}
+
+		#endregion
+	}
+}