From 2107d5b9a89dde23d6717f923c05ab7f5c07de14 Mon Sep 17 00:00:00 2001
From: Dylan Wilson <dylan@craftworkgames.com>
Date: Fri, 1 Dec 2017 23:26:38 +1000
Subject: [PATCH] more ecs stuff

---
 Source/MonoGame.Extended.Entities/Entity.cs                | 2 +-
 Source/MonoGame.Extended.Entities/EntityManager.cs         | 3 ++-
 .../MonoGame.Extended.Entities/EntityProcessingSystem.cs   | 4 +++-
 Source/MonoGame.Extended/Transform.cs                      | 7 +++++++
 4 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/Source/MonoGame.Extended.Entities/Entity.cs b/Source/MonoGame.Extended.Entities/Entity.cs
index f8facf6d..c35f0122 100644
--- a/Source/MonoGame.Extended.Entities/Entity.cs
+++ b/Source/MonoGame.Extended.Entities/Entity.cs
@@ -166,7 +166,7 @@ namespace MonoGame.Extended.Entities
 
         public override string ToString()
         {
-            return $"{RuntimeHelpers.GetHashCode(this):X8}";
+            return $"{RuntimeHelpers.GetHashCode(this):X8} {Name}";
         }
 
         void IPoolable.Initialize(ReturnToPoolDelegate returnDelegate)
diff --git a/Source/MonoGame.Extended.Entities/EntityManager.cs b/Source/MonoGame.Extended.Entities/EntityManager.cs
index f38bff99..41d6777b 100644
--- a/Source/MonoGame.Extended.Entities/EntityManager.cs
+++ b/Source/MonoGame.Extended.Entities/EntityManager.cs
@@ -91,9 +91,10 @@ namespace MonoGame.Extended.Entities
             return new Entity(_systemManager.ProcessingSystems.Count, _componentTypes.Count);
         }
 
-        public Entity CreateEntity()
+        public Entity CreateEntity(string name = null)
         {
             var entity = _pool.New();
+            entity.Name = name;
             MarkEntityToBeAdded(entity);
             return entity;
         }
diff --git a/Source/MonoGame.Extended.Entities/EntityProcessingSystem.cs b/Source/MonoGame.Extended.Entities/EntityProcessingSystem.cs
index 7b70133b..741d2b0a 100644
--- a/Source/MonoGame.Extended.Entities/EntityProcessingSystem.cs
+++ b/Source/MonoGame.Extended.Entities/EntityProcessingSystem.cs
@@ -80,7 +80,9 @@ namespace MonoGame.Extended.Entities
             }
         }
 
-        protected abstract void Process(GameTime gameTime, Entity entity);
+        protected virtual void Process(GameTime gameTime, Entity entity)
+        {
+        }
 
         protected bool IsInterestedIn(Entity entity)
         {
diff --git a/Source/MonoGame.Extended/Transform.cs b/Source/MonoGame.Extended/Transform.cs
index 2eb577d4..6f9f29cc 100644
--- a/Source/MonoGame.Extended/Transform.cs
+++ b/Source/MonoGame.Extended/Transform.cs
@@ -208,6 +208,13 @@ namespace MonoGame.Extended
         private float _rotation;
         private Vector2 _scale = Vector2.One;
 
+        public Transform2D(Vector2? position = null, float rotation = 0, Vector2? scale = null)
+        {
+            Position = position ?? Vector2.Zero;
+            Rotation = rotation;
+            Scale = scale ?? Vector2.One;
+        }
+
         /// <summary>
         ///     Gets the world position.
         /// </summary>