Initial commit

Assets/Darkmatter/Code/Domain/StateMachine/State.cs

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+using Darkmatter.Core;
+using UnityEngine;
+
+namespace Darkmatter.Domain
+{
+    public abstract class State<T> : IState
+    {
+        protected readonly T runner;
+        protected State(T runner)
+        {
+            this.runner = runner;
+        }
+
+        public virtual void Enter() { }
+
+        public virtual void Exit() { }
+
+        public virtual void Update() { }
+
+        public virtual void LateUpdate() { }
+    }
+}

Assets/Darkmatter/Code/Domain/StateMachine/State.cs.meta

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+fileFormatVersion: 2
+guid: 8e1f935f13391ea4b8a18a2c680cdcf9

Assets/Darkmatter/Code/Domain/StateMachine/StateMachine.cs

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+using Darkmatter.Core;
+using UnityEngine;
+
+namespace Darkmatter.Domain
+{
+    public abstract class StateMachine
+    {
+        public IState CurrentState { get; private set; }
+        public void ChangeState(IState state)
+        {
+            CurrentState?.Exit();
+            CurrentState = state;
+            CurrentState?.Enter();
+        }
+
+        public void Update()
+        {
+            CurrentState.Update();
+        }
+
+        public void LateUpdate()
+        {
+            CurrentState.LateUpdate();
+        }
+
+    }
+}

Assets/Darkmatter/Code/Domain/StateMachine/StateMachine.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: cda261417aa4df34eb86c2271ab5f6d5