Initial Commit

Assets/Scripts/ItemContainerFactory.cs

@@ -0,0 +1,62 @@
+using System;
+using Unity.Entities;
+using UnityEngine;
+using Zenject;
+using Hash128 = Unity.Entities.Hash128;
+
+namespace DefaultNamespace
+{
+	public class ItemContainerFactory : IFactory<ItemPrefab, Hash128, AsyncOperationWrapper<GameObject>>
+	{
+		[Serializable]
+		public class Settings
+		{
+		}
+
+		[Inject] private readonly Settings settings;
+
+		public AsyncOperationWrapper<GameObject> Create(ItemPrefab item, Hash128 id)
+		{
+			if (item.UseCustomContainer)
+			{
+				var op = item.ContainerPrefab.InstantiateAsync();
+				op.Completed += operation => { InitializeContainer(op.Result.GetComponent<GameObjectEntity>(), id); };
+				return new AsyncOperationWrapper<GameObject>(op);
+			}
+
+			var obj = new GameObject(item.name) { layer = LayerMask.NameToLayer("Pickups") };
+			var renderer = obj.AddComponent<SpriteRenderer>();
+			renderer.sortingLayerID = SortingLayer.NameToID("Pickups");
+			renderer.sprite = item.Icon;
+			switch (item.ColliderType)
+			{
+				case ColliderType.Box:
+					obj.AddComponent<BoxCollider2D>();
+					break;
+
+				case ColliderType.Circle:
+					obj.AddComponent<CircleCollider2D>();
+					break;
+
+				case ColliderType.Polygon:
+					obj.AddComponent<PolygonCollider2D>();
+					break;
+
+				default:
+					throw new ArgumentOutOfRangeException();
+			}
+
+			var rigidBody = obj.AddComponent<Rigidbody2D>();
+			rigidBody.useAutoMass = true;
+			var objEntity = obj.AddComponent<GameObjectEntity>();
+			InitializeContainer(objEntity, id);
+			return new AsyncOperationWrapper<GameObject>(obj);
+		}
+
+		private void InitializeContainer(GameObjectEntity obj, Hash128 itemId)
+		{
+			obj.EntityManager.AddComponentData(obj.Entity, new ItemContainerData { ItemPrefab = itemId });
+			obj.EntityManager.AddComponent(obj.Entity, ComponentType.ReadWrite<RigidBody2DData>());
+		}
+	}
+}