Added type object pattern

Author: Habrador

Assets/Patterns/12. Type Object.meta

@@ -0,0 +1,17 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace TypeObject.Animal
+{
+    //Parent animal class
+    public class Animal
+    {
+        protected string name;
+
+        public virtual void Talk()
+        {
+
+        }
+    }
+}

Assets/Patterns/12. Type Object/Animal.meta

@@ -0,0 +1,26 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace TypeObject.Animal
+{
+    public class Bird : Animal
+    {
+        //This is the Type Object
+        private IFlyingType flyingType;
+
+        public Bird(string name, bool canFly)
+        {
+            this.name = name;
+
+            this.flyingType = canFly ? new ICanFly() as IFlyingType : new ICantFly();
+        }
+
+        public override void Talk()
+        {
+            string canFlyString = flyingType.CanIFly() ? "can" : "can't";
+
+            Debug.Log($"Hello this is {name}, I'm a bird, and I {canFlyString} fly!");
+        }
+    }
+}

Assets/Patterns/12. Type Object/Animal/Scripts.meta

@@ -0,0 +1,26 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace TypeObject.Animal
+{
+    public class Fish : Animal
+    {
+        //This is the Type Object
+        private IFlyingType flyingType;
+
+        public Fish(string name, bool canFly)
+        {
+            this.name = name;
+
+            this.flyingType = canFly ? new ICanFly() as IFlyingType : new ICantFly();
+        }
+
+        public override void Talk()
+        {
+            string canFlyString = flyingType.CanIFly() ? "can" : "can't";
+
+            Debug.Log($"Hello this is {name}, I'm a fish, and I {canFlyString} fly!");
+        }
+    }
+}

Assets/Patterns/12. Type Object/Animal/Scripts/Animals.meta

@@ -0,0 +1,26 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace TypeObject.Animal
+{
+    public class Mammal : Animal
+    {
+        //This is the Type Object
+        private IFlyingType flyingType;
+
+        public Mammal(string name, bool canFly)
+        {
+            this.name = name;
+
+            this.flyingType = canFly ? new ICanFly() as IFlyingType : new ICantFly();
+        }
+
+        public override void Talk()
+        {
+            string canFlyString = flyingType.CanIFly() ? "can" : "can't";
+
+            Debug.Log($"Hello this is {name}, I'm a mammal, and I {canFlyString} fly!");
+        }
+    }
+}

Assets/Patterns/12. Type Object/Animal/Scripts/Animals/Animal.cs

@@ -0,0 +1,15 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace TypeObject.Animal
+{
+    //This type can fly
+    public class ICanFly : IFlyingType
+    {
+        public bool CanIFly()
+        {
+            return true;
+        }
+    }
+}

Assets/Patterns/12. Type Object/Animal/Scripts/Animals/Animal.cs.meta

@@ -0,0 +1,15 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace TypeObject.Animal
+{
+    //This type can't fly
+    public class ICantFly : IFlyingType
+    {
+        public bool CanIFly()
+        {
+            return false;
+        }
+    }
+}

Assets/Patterns/12. Type Object/Animal/Scripts/Animals/Bird.cs

@@ -0,0 +1,12 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace TypeObject.Animal
+{
+    //Defines the Type Object if whatever implements it can fly
+    public interface IFlyingType
+    {
+        bool CanIFly();        
+    }
+}

Assets/Patterns/12. Type Object/Animal/Scripts/Animals/Bird.cs.meta

@@ -0,0 +1,34 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace TypeObject.Animal
+{
+    //Main class to illustrate the Type object pattern
+    public class TypeObjectController : MonoBehaviour
+    {
+        void Start()
+        {
+            Bird ostrich = new Bird("ostrich", canFly: false);
+            
+            Bird pigeon = new Bird("pigeon", canFly: true);
+
+            Mammal rat = new Mammal("rat", canFly: false);
+
+            Mammal bat = new Mammal("bat", canFly: true);
+
+            Fish flyingFish = new Fish("Flying fish", canFly: true);
+
+
+            ostrich.Talk();
+
+            pigeon.Talk();
+
+            rat.Talk();
+
+            bat.Talk();
+
+            flyingFish.Talk();
+        }
+    }
+}