Add an example project for the InputSystemActuator. (#4976)

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ML-Agents-Input-Example/Assets/ML-Agents/Examples/PushBlock/Scripts/GoalDetect.cs

+//Detect when the orange block has touched the goal.
+//Detect when the orange block has touched an obstacle.
+//Put this script onto the orange block. There's nothing you need to set in the editor.
+//Make sure the goal is tagged with "goal" in the editor.
+
+using UnityEngine;
+
+public class GoalDetect : MonoBehaviour
+{
+    /// <summary>
+    /// The associated agent.
+    /// This will be set by the agent script on Initialization.
+    /// Don't need to manually set.
+    /// </summary>
+    [HideInInspector]
+    public PushAgentBasic agent;  //
+
+    void OnCollisionEnter(Collision col)
+    {
+        // Touched goal.
+        if (col.gameObject.CompareTag("goal"))
+        {
+            agent.ScoredAGoal();
+        }
+    }
+}

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ML-Agents-Input-Example/Assets/ML-Agents/Examples/PushBlock/Scripts/PushAgentBasic.cs

+//Put this script on your blue cube.
+
+using System;
+using System.Collections;
+using UnityEngine;
+using Unity.MLAgents;
+using Unity.MLAgents.Actuators;
+using Random = UnityEngine.Random;
+
+public class PushAgentBasic : Agent
+{
+    /// <summary>
+    /// The ground. The bounds are used to spawn the elements.
+    /// </summary>
+    public GameObject ground;
+
+    public GameObject area;
+
+    /// <summary>
+    /// The area bounds.
+    /// </summary>
+    [HideInInspector]
+    public Bounds areaBounds;
+
+    PushBlockSettings m_PushBlockSettings;
+
+    /// <summary>
+    /// The block to be pushed to the goal.
+    /// </summary>
+    public GameObject block;
+
+    /// <summary>
+    /// Detects when the block touches the goal.
+    /// </summary>
+    [HideInInspector]
+    public GoalDetect goalDetect;
+
+    Rigidbody m_BlockRb;  //cached on initialization
+    Rigidbody m_AgentRb;  //cached on initialization
+    Material m_GroundMaterial; //cached on Awake()
+
+    /// <summary>
+    /// We will be changing the ground material based on success/failue
+    /// </summary>
+    Renderer m_GroundRenderer;
+
+    EnvironmentParameters m_ResetParams;
+
+    void Awake()
+    {
+        m_PushBlockSettings = FindObjectOfType<PushBlockSettings>();
+
+        goalDetect = block.GetComponent<GoalDetect>();
+        goalDetect.agent = this;
+
+        // Cache the agent rigidbody
+        m_AgentRb = GetComponent<Rigidbody>();
+        // Cache the block rigidbody
+        m_BlockRb = block.GetComponent<Rigidbody>();
+        // Get the ground's bounds
+        areaBounds = ground.GetComponent<Collider>().bounds;
+        // Get the ground renderer so we can change the material when a goal is scored
+        m_GroundRenderer = ground.GetComponent<Renderer>();
+        // Starting material
+        m_GroundMaterial = m_GroundRenderer.material;
+    }
+
+    public override void Initialize()
+    {
+        m_ResetParams = Academy.Instance.EnvironmentParameters;
+
+        SetResetParameters();
+    }
+
+    /// <summary>
+    /// Use the ground's bounds to pick a random spawn position.
+    /// </summary>
+    public Vector3 GetRandomSpawnPos()
+    {
+        var foundNewSpawnLocation = false;
+        var randomSpawnPos = Vector3.zero;
+        var tries = 0;
+        while (foundNewSpawnLocation == false && tries < 50)
+        {
+            var randomPosX = Random.Range(-areaBounds.extents.x * m_PushBlockSettings.spawnAreaMarginMultiplier,
+                areaBounds.extents.x * m_PushBlockSettings.spawnAreaMarginMultiplier);
+
+            var randomPosZ = Random.Range(-areaBounds.extents.z * m_PushBlockSettings.spawnAreaMarginMultiplier,
+                areaBounds.extents.z * m_PushBlockSettings.spawnAreaMarginMultiplier);
+            randomSpawnPos = ground.transform.position + new Vector3(randomPosX, 1f, randomPosZ);
+            if (Physics.CheckBox(randomSpawnPos, new Vector3(2.5f, 0.01f, 2.5f)) == false)
+            {
+                foundNewSpawnLocation = true;
+            }
+            tries++;
+        }
+        return randomSpawnPos;
+    }
+
+
+    /// <summary>
+    /// Called when the agent moves the block into the goal.
+    /// </summary>
+    public void ScoredAGoal()
+    {
+        // We use a reward of 5.
+        AddReward(5f);
+
+        // By marking an agent as done AgentReset() will be called automatically.
+        EndEpisode();
+
+        // Swap ground material for a bit to indicate we scored.
+        StartCoroutine(GoalScoredSwapGroundMaterial(m_PushBlockSettings.goalScoredMaterial, 0.5f));
+    }
+
+    /// <summary>
+    /// Swap ground material, wait time seconds, then swap back to the regular material.
+    /// </summary>
+    IEnumerator GoalScoredSwapGroundMaterial(Material mat, float time)
+    {
+        m_GroundRenderer.material = mat;
+        yield return new WaitForSeconds(time); // Wait for 2 sec
+        m_GroundRenderer.material = m_GroundMaterial;
+    }
+
+    /// <summary>
+    /// Called every step of the engine. Here the agent takes an action.
+    /// </summary>
+    public override void OnActionReceived(ActionBuffers actionBuffers)
+    {
+        // Penalty given each step to encourage agent to finish task quickly.
+        AddReward(-1f / MaxStep);
+    }
+
+    /// <summary>
+    /// Resets the block position and velocities.
+    /// </summary>
+    void ResetBlock()
+    {
+        // Get a random position for the block.
+        block.transform.position = GetRandomSpawnPos();
+
+        // Reset block velocity back to zero.
+        m_BlockRb.velocity = Vector3.zero;
+
+        // Reset block angularVelocity back to zero.
+        m_BlockRb.angularVelocity = Vector3.zero;
+    }
+
+    /// <summary>
+    /// In the editor, if "Reset On Done" is checked then AgentReset() will be
+    /// called automatically anytime we mark done = true in an agent script.
+    /// </summary>
+    public override void OnEpisodeBegin()
+    {
+        var rotation = Random.Range(0, 4);
+        var rotationAngle = rotation * 90f;
+        area.transform.Rotate(new Vector3(0f, rotationAngle, 0f));
+
+        ResetBlock();
+        transform.position = GetRandomSpawnPos();
+        m_AgentRb.velocity = Vector3.zero;
+        m_AgentRb.angularVelocity = Vector3.zero;
+
+        SetResetParameters();
+    }
+
+    public void SetGroundMaterialFriction()
+    {
+        var groundCollider = ground.GetComponent<Collider>();
+
+        groundCollider.material.dynamicFriction = m_ResetParams.GetWithDefault("dynamic_friction", 0);
+        groundCollider.material.staticFriction = m_ResetParams.GetWithDefault("static_friction", 0);
+    }
+
+    public void SetBlockProperties()
+    {
+        var scale = m_ResetParams.GetWithDefault("block_scale", 2);
+        //Set the scale of the block
+        m_BlockRb.transform.localScale = new Vector3(scale, 0.75f, scale);
+
+        // Set the drag of the block
+        m_BlockRb.drag = m_ResetParams.GetWithDefault("block_drag", 0.5f);
+    }
+
+    void SetResetParameters()
+    {
+        SetGroundMaterialFriction();
+        SetBlockProperties();
+    }
+
+}

ML-Agents-Input-Example/Assets/ML-Agents/Examples/PushBlock/Scripts/PushAgentBasic.cs.meta

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ML-Agents-Input-Example/Assets/ML-Agents/Examples/PushBlock/Scripts/PushBlockActions.cs

+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was auto-generated by com.unity.inputsystem:InputActionCodeGenerator
+//     version 1.1.0
+//     from Assets/ML-Agents/Examples/PushBlock/PushBlockActions.inputactions
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine.InputSystem;
+using UnityEngine.InputSystem.Utilities;
+
+public partial class @PushBlockActions : IInputActionCollection2, IDisposable
+{
+    public InputActionAsset asset { get; }
+    public @PushBlockActions()
+    {
+        asset = InputActionAsset.FromJson(@"{
+    ""name"": ""PushBlockActions"",
+    ""maps"": [
+        {
+            ""name"": ""Movement"",
+            ""id"": ""03a2e5d4-ae81-47f1-a575-0779fb7da538"",
+            ""actions"": [
+                {
+                    ""name"": ""movement"",
+                    ""type"": ""Value"",
+                    ""id"": ""5f47cbc6-de46-4d33-93e2-2b1af4f5996d"",
+                    ""expectedControlType"": ""Vector2"",
+                    ""processors"": """",
+                    ""interactions"": """"
+                },
+                {
+                    ""name"": ""jump"",
+                    ""type"": ""Button"",
+                    ""id"": ""ca5eb833-5dfb-4b7c-880d-6118bd5d1378"",
+                    ""expectedControlType"": ""Button"",
+                    ""processors"": """",
+                    ""interactions"": """"
+                }
+            ],
+            ""bindings"": [
+                {
+                    ""name"": ""gamepad_move"",
+                    ""id"": ""477500ef-6d32-4b84-b9f8-158f18bcb906"",
+                    ""path"": ""2DVector"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": """",
+                    ""action"": ""movement"",
+                    ""isComposite"": true,
+                    ""isPartOfComposite"": false
+                },
+                {
+                    ""name"": ""up"",
+                    ""id"": ""6d2537b8-2266-4a50-8575-fb0fe310daa5"",
+                    ""path"": ""<Gamepad>/dpad/up"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": ""Keyboard"",
+                    ""action"": ""movement"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": true
+                },
+                {
+                    ""name"": ""down"",
+                    ""id"": ""50584c83-beb6-4e90-a453-a635c03a761e"",
+                    ""path"": ""<Gamepad>/dpad/down"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": ""Keyboard"",
+                    ""action"": ""movement"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": true
+                },
+                {
+                    ""name"": ""left"",
+                    ""id"": ""44408b8f-27e7-4c6d-b078-7536ba020d1a"",
+                    ""path"": ""<Gamepad>/dpad/left"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": ""Keyboard"",
+                    ""action"": ""movement"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": true
+                },
+                {
+                    ""name"": ""right"",
+                    ""id"": ""f5681423-d3e3-41a5-b85e-0a7642c774aa"",
+                    ""path"": ""<Gamepad>/dpad/right"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": ""Keyboard"",
+                    ""action"": ""movement"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": true
+                },
+                {
+                    ""name"": ""keyboard_move"",
+                    ""id"": ""6bcba4bf-5ce0-4005-9e6a-0de2487211b0"",
+                    ""path"": ""2DVector"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": """",
+                    ""action"": ""movement"",
+                    ""isComposite"": true,
+                    ""isPartOfComposite"": false
+                },
+                {
+                    ""name"": ""up"",
+                    ""id"": ""63da699e-b354-4e63-b0f8-26fb92abea41"",
+                    ""path"": ""<Keyboard>/w"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": ""Keyboard"",
+                    ""action"": ""movement"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": true
+                },
+                {
+                    ""name"": ""down"",
+                    ""id"": ""39409748-9002-4aff-9a09-cdc05b9708ad"",
+                    ""path"": ""<Keyboard>/s"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": ""Keyboard"",
+                    ""action"": ""movement"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": true
+                },
+                {
+                    ""name"": ""left"",
+                    ""id"": ""0afe45fc-dc45-4310-9c73-7dc3c503addf"",
+                    ""path"": ""<Keyboard>/a"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": ""Keyboard"",
+                    ""action"": ""movement"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": true
+                },
+                {
+                    ""name"": ""right"",
+                    ""id"": ""69fe0335-9e0c-495d-a90d-4b0fcbfd2b34"",
+                    ""path"": ""<Keyboard>/d"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": ""Keyboard"",
+                    ""action"": ""movement"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": true
+                },
+                {
+                    ""name"": """",
+                    ""id"": ""ab696218-63cd-4eb8-9fe1-48a68e32e92f"",
+                    ""path"": ""<Keyboard>/space"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": ""Keyboard"",
+                    ""action"": ""jump"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": false
+                },
+                {
+                    ""name"": """",
+                    ""id"": ""7adcb138-5175-4cc4-addc-d2b02cb5f0de"",
+                    ""path"": ""<Gamepad>/buttonSouth"",
+                    ""interactions"": """",
+                    ""processors"": """",
+                    ""groups"": ""Keyboard"",
+                    ""action"": ""jump"",
+                    ""isComposite"": false,
+                    ""isPartOfComposite"": false
+                }
+            ]
+        }
+    ],
+    ""controlSchemes"": [
+        {
+            ""name"": ""Keyboard"",
+            ""bindingGroup"": ""Keyboard"",
+            ""devices"": [
+                {
+                    ""devicePath"": ""<Keyboard>"",
+                    ""isOptional"": true,
+                    ""isOR"": false
+                },
+                {
+                    ""devicePath"": ""<Gamepad>"",
+                    ""isOptional"": true,
+                    ""isOR"": false
+                }
+            ]
+        }
+    ]
+}");
+        // Movement
+        m_Movement = asset.FindActionMap("Movement", throwIfNotFound: true);
+        m_Movement_movement = m_Movement.FindAction("movement", throwIfNotFound: true);
+        m_Movement_jump = m_Movement.FindAction("jump", throwIfNotFound: true);
+    }
+
+    public void Dispose()
+    {
+        UnityEngine.Object.Destroy(asset);
+    }
+
+    public InputBinding? bindingMask
+    {
+        get => asset.bindingMask;
+        set => asset.bindingMask = value;
+    }
+
+    public ReadOnlyArray<InputDevice>? devices
+    {
+        get => asset.devices;
+        set => asset.devices = value;
+    }
+
+    public ReadOnlyArray<InputControlScheme> controlSchemes => asset.controlSchemes;
+
+    public bool Contains(InputAction action)
+    {
+        return asset.Contains(action);
+    }
+
+    public IEnumerator<InputAction> GetEnumerator()
+    {
+        return asset.GetEnumerator();
+    }
+
+    IEnumerator IEnumerable.GetEnumerator()
+    {
+        return GetEnumerator();
+    }
+
+    public void Enable()
+    {
+        asset.Enable();
+    }
+
+    public void Disable()
+    {
+        asset.Disable();
+    }
+    public IEnumerable<InputBinding> bindings => asset.bindings;
+
+    public InputAction FindAction(string actionNameOrId, bool throwIfNotFound = false)
+    {
+        return asset.FindAction(actionNameOrId, throwIfNotFound);
+    }
+    public int FindBinding(InputBinding bindingMask, out InputAction action)
+    {
+        return asset.FindBinding(bindingMask, out action);
+    }
+
+    // Movement
+    private readonly InputActionMap m_Movement;
+    private IMovementActions m_MovementActionsCallbackInterface;
+    private readonly InputAction m_Movement_movement;
+    private readonly InputAction m_Movement_jump;
+    public struct MovementActions
+    {
+        private @PushBlockActions m_Wrapper;
+        public MovementActions(@PushBlockActions wrapper) { m_Wrapper = wrapper; }
+        public InputAction @movement => m_Wrapper.m_Movement_movement;
+        public InputAction @jump => m_Wrapper.m_Movement_jump;
+        public InputActionMap Get() { return m_Wrapper.m_Movement; }
+        public void Enable() { Get().Enable(); }
+        public void Disable() { Get().Disable(); }
+        public bool enabled => Get().enabled;
+        public static implicit operator InputActionMap(MovementActions set) { return set.Get(); }
+        public void SetCallbacks(IMovementActions instance)
+        {
+            if (m_Wrapper.m_MovementActionsCallbackInterface != null)
+            {
+                @movement.started -= m_Wrapper.m_MovementActionsCallbackInterface.OnMovement;
+                @movement.performed -= m_Wrapper.m_MovementActionsCallbackInterface.OnMovement;
+                @movement.canceled -= m_Wrapper.m_MovementActionsCallbackInterface.OnMovement;
+                @jump.started -= m_Wrapper.m_MovementActionsCallbackInterface.OnJump;
+                @jump.performed -= m_Wrapper.m_MovementActionsCallbackInterface.OnJump;
+                @jump.canceled -= m_Wrapper.m_MovementActionsCallbackInterface.OnJump;
+            }
+            m_Wrapper.m_MovementActionsCallbackInterface = instance;
+            if (instance != null)
+            {
+                @movement.started += instance.OnMovement;
+                @movement.performed += instance.OnMovement;
+                @movement.canceled += instance.OnMovement;
+                @jump.started += instance.OnJump;
+                @jump.performed += instance.OnJump;
+                @jump.canceled += instance.OnJump;
+            }
+        }
+    }
+    public MovementActions @Movement => new MovementActions(this);
+    private int m_KeyboardSchemeIndex = -1;
+    public InputControlScheme KeyboardScheme
+    {
+        get
+        {
+            if (m_KeyboardSchemeIndex == -1) m_KeyboardSchemeIndex = asset.FindControlSchemeIndex("Keyboard");
+            return asset.controlSchemes[m_KeyboardSchemeIndex];
+        }
+    }
+    public interface IMovementActions
+    {
+        void OnMovement(InputAction.CallbackContext context);
+        void OnJump(InputAction.CallbackContext context);
+    }
+}

ML-Agents-Input-Example/Assets/ML-Agents/Examples/PushBlock/Scripts/PushBlockActions.cs.meta

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ML-Agents-Input-Example/Assets/ML-Agents/Examples/PushBlock/Scripts/PushBlockPlayerController.cs

+using Unity.MLAgents.Extensions.Input;
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+/// <summary>
+/// This class handles the input for the PushBlock Cube character in the PushBlock scene.
+/// Note that the only ML-Agents code here is the implementation of the <see cref="IInputActionAssetProvider"/>.
+/// The <see cref="InputActuatorComponent"/> looks for a component that implements that interface in order to
+/// rebind actions to virtual controllers when training agents or running inference.  This means that you can
+/// keep your input handling code separate from ML-Agents, and have your agent's action space defined by the
+/// actions defined in your project's <see cref="GetInputActionAsset"/>.
+///
+/// If you don't implement <see cref="IInputActionAssetProvider"/> the <see cref="InputActuatorComponent"/> will
+/// look for a <see cref="PlayerInput"/> component on the GameObject it live on.  It will rebind the actions of that
+/// instance of the asset.
+///
+/// It is important to note that if you have multiple components on the same GameObject handling input, you will
+/// need to share the instance of the generated C# <see cref="IInputActionCollection2"/> (named <see cref="m_PushBlockActions"/>
+/// here) in order to ensure that all of your actions are bound correctly for ml-agents training and inference.
+/// </summary>
+public class PushBlockPlayerController : MonoBehaviour, IInputActionAssetProvider
+{
+
+    PushBlockSettings m_PushBlockSettings;
+    public float JumpTime = 0.5f;
+    float m_JumpTimeRemaining;
+    Rigidbody m_PlayerRb;  //cached on initialization
+    PushBlockActions m_PushBlockActions;
+    float m_JumpCoolDownStart;
+
+    void Awake()
+    {
+        m_PushBlockSettings = FindObjectOfType<PushBlockSettings>();
+        LazyInitializeActions();
+
+        // Cache the agent rigidbody
+        m_PlayerRb = GetComponent<Rigidbody>();
+    }
+
+    void LazyInitializeActions()
+    {
+        if (m_PushBlockActions != null)
+        {
+            return;
+        }
+        m_PushBlockActions = new PushBlockActions();
+        m_PushBlockActions.Enable();
+
+        // You can listen to C# events.
+        m_PushBlockActions.Movement.jump.performed += JumpOnperformed;
+    }
+
+    void JumpOnperformed(InputAction.CallbackContext callbackContext)
+    {
+        InnerJump(gameObject.transform);
+    }
+
+    void FixedUpdate()
+    {
+        // Or you can poll the action itself like we do here.
+        InnerMove(gameObject.transform, m_PushBlockActions.Movement.movement.ReadValue<Vector2>());
+        if (m_JumpTimeRemaining < 0)
+        {
+            m_PlayerRb.AddForce(-transform.up * (m_PushBlockSettings.agentJumpForce * 3), ForceMode.Acceleration);
+        }
+        m_JumpTimeRemaining -= Time.fixedDeltaTime;
+    }
+
+    void InnerJump(Transform t)
+    {
+        if (Time.realtimeSinceStartup - m_JumpCoolDownStart > m_PushBlockSettings.agentJumpCoolDown)
+        {
+            m_JumpTimeRemaining = JumpTime;
+            m_PlayerRb.AddForce(t.up * m_PushBlockSettings.agentJumpForce, ForceMode.VelocityChange);
+            m_JumpCoolDownStart = Time.realtimeSinceStartup;
+        }
+    }
+
+    void InnerMove(Transform t, Vector2 v)
+    {
+        var forward = CreateForwardVector(v);
+        var up = CreateUpVector(v);
+        var dirToGo = t.forward * forward;
+        var rotateDir = t.up * up;
+        t.Rotate(rotateDir, Time.deltaTime * 200f);
+        m_PlayerRb.AddForce(dirToGo * m_PushBlockSettings.agentRunSpeed,
+            ForceMode.VelocityChange);
+    }
+
+    static float CreateUpVector(Vector2 move)
+    {
+        return Mathf.Abs(move.x) > Mathf.Abs(move.y) ? move.x : 0f;
+    }
+
+    static float CreateForwardVector(Vector2 move)
+    {
+        return Mathf.Abs(move.y) > Mathf.Abs(move.x) ? move.y : 0f;
+    }
+
+    /// <summary>
+    /// This is the implementation of the <see cref="IInputActionAssetProvider"/> for this class.  We need
+    /// both the <see cref="GetInputActionAsset"/> and the <see cref="IInputActionCollection2"/> if you are
+    /// listening to C# events, Unity Events, or receiving Messages from the Input System Package as those callbacks
+    /// are set up through the generated <see cref="IInputActionCollection2"/>.
+    /// </summary>
+    /// <returns></returns>
+    public (InputActionAsset, IInputActionCollection2) GetInputActionAsset()
+    {
+        LazyInitializeActions();
+        return (m_PushBlockActions.asset, m_PushBlockActions);
+    }
+}

ML-Agents-Input-Example/Assets/ML-Agents/Examples/PushBlock/Scripts/PushBlockPlayerController.cs.meta

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ML-Agents-Input-Example/Assets/ML-Agents/Examples/PushBlock/Scripts/PushBlockSettings.cs

+using UnityEngine;
+
+public class PushBlockSettings : MonoBehaviour
+{
+    /// <summary>
+    /// The "walking speed" of the agents in the scene.
+    /// </summary>
+    public float agentRunSpeed;
+
+    /// <summary>
+    /// The agent rotation speed.
+    /// Every agent will use this setting.
+    /// </summary>
+    public float agentRotationSpeed;
+
+    public float agentJumpForce;
+
+    public float agentJumpCoolDown;
+
+    /// <summary>
+    /// The spawn area margin multiplier.
+    /// ex: .9 means 90% of spawn area will be used.
+    /// .1 margin will be left (so players don't spawn off of the edge).
+    /// The higher this value, the longer training time required.
+    /// </summary>
+    public float spawnAreaMarginMultiplier;
+
+    /// <summary>
+    /// When a goal is scored the ground will switch to this
+    /// material for a few seconds.
+    /// </summary>
+    public Material goalScoredMaterial;
+
+    /// <summary>
+    /// When an agent fails, the ground will turn this material for a few seconds.
+    /// </summary>
+    public Material failMaterial;
+
+}

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ML-Agents-Input-Example/Assets/ML-Agents/Examples/SharedAssets/Materials/GridPatternShader.shader

+// Upgrade NOTE: upgraded instancing buffer 'Props' to new syntax.
+
+Shader "ML-Agents/GridPattern" {
+	Properties {
+		_LineColor ("Line Color", Color) = (1,1,1,1)
+		_CellColor ("Cell Color", Color) = (0,0,0,0)
+		// _SelectedColor ("Selected Color", Color) = (1,0,0,1)
+		[PerRendererData] _MainTex ("Albedo (RGB)", 2D) = "white" {}
+		[IntRange] _GridSize("Grid Size", Range(1,100)) = 10
+		_LineSize("Line Size", Range(0,1)) = 0.15
+		// [FloatRange] _LineOffset("Line Offset", Range(0,1)) = 0
+		[IntRange] _DrawU("Draw U Toggle ( 0 = False , 1 = True )", Range(0,1)) = 1
+		[IntRange] _DrawV("Draw V Toggle ( 0 = False , 1 = True )", Range(0,1)) = 1
+		// [IntRange] _SelectCell("Select Cell Toggle ( 0 = False , 1 = True )", Range(0,1)) = 0.0
+		// [IntRange] _SelectedCellX("Selected Cell X", Range(0,100)) = 0.0
+		// [IntRange] _SelectedCellY("Selected Cell Y", Range(0,100)) = 0.0
+	}
+	SubShader {
+		Tags { "Queue"="AlphaTest" "RenderType"="TransparentCutout" }
+		LOD 200
+	
+
+		CGPROGRAM
+		// Physically based Standard lighting model, and enable shadows on all light types
+		#pragma surface surf Standard fullforwardshadows
+
+		// Use shader model 3.0 target, to get nicer looking lighting
+		#pragma target 3.0
+
+		sampler2D _MainTex;
+
+		struct Input {
+			float2 uv_MainTex;
+		};
+
+		half _Glossiness = 0.0;
+		half _Metallic = 0.0;
+		float4 _LineColor;
+		float4 _CellColor;
+		// float4 _SelectedColor;
+
+		float _GridSize;
+		// float _LineOffset;
+		float _LineSize;
+
+		float _DrawU;
+		float _DrawV;
+		// float _SelectCell;
+		// float _SelectedCellX;
+		// float _SelectedCellY;
+
+		// Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
+		// See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
+		// #pragma instancing_options assumeuniformscaling
+		UNITY_INSTANCING_BUFFER_START(Props)
+			// put more per-instance properties here
+		UNITY_INSTANCING_BUFFER_END(Props)
+
+		void surf (Input IN, inout SurfaceOutputStandard o) {
+			// Albedo comes from a texture tinted by color
+
+			float2 uv = IN.uv_MainTex;
+
+			// _SelectedCellX = floor(_SelectedCellX);
+			// _SelectedCellY = floor(_SelectedCellY);
+
+			fixed4 c = float4(0.0,0.0,0.0,0.0);
+
+			float brightness = 1.0;
+
+			float gsize = floor(_GridSize);
+
+
+
+			gsize += _LineSize;
+
+			float2 id;
+
+			id.x = floor(uv.x/(1.0/gsize));
+			// id.y = floor(uv.y/(1.0/gsize));
+			id.y = floor(uv.y/(1.0/gsize));
+
+			float4 color = _CellColor;
+			brightness = _CellColor.w;
+
+			// //This checks that the cell is currently selected if the Select Cell slider is set to 1 ( True )
+			// if (round(_SelectCell) == 1.0 && id.x == _SelectedCellX && id.y == _SelectedCellY)
+			// {
+			// 	brightness = _SelectedColor.w;
+			// 	color = _SelectedColor;
+			// }
+
+			// if (frac(uv.x*gsize) <= _LineSize || frac(uv.y*gsize) <= _LineSize)
+			// {
+			// 	brightness = _LineColor.w;
+			// 	color = _LineColor;
+			// }
+			if(round(_DrawU) == 1.0)
+			{
+				if (frac(uv.x*gsize) <= _LineSize)
+				{
+					// if (frac(uv.x*gsize) <= _LineSize)
+					// {
+					brightness = _LineColor.w;
+					color = _LineColor;
+				}
+			}
+			if(round(_DrawV) == 1.0)
+			{
+				if (frac(uv.y*gsize) <= _LineSize)
+				{
+					brightness = _LineColor.w;
+					color = _LineColor;
+				}
+			}
+			// // if (round(uv.x*gsize) == .8)
+			// // if (uv.x >= _LineOffset)
+			// if (uv.x >= .2 && uv.x <= .3)
+			// {
+			// 	brightness = _LineColor.w;
+			// 	color = _LineColor;
+			// 	// color = _CellColor;
+			// 	// brightness = _CellColor.w;
+			// }
+
+			// if (frac(uv.x*gsize) <= _LineSize && frac(uv.y*gsize) <= _LineSize)
+			// {
+			// 	// brightness = _LineColor.w;
+			// 	// color = _LineColor;
+			// 	color = _CellColor;
+			// 	brightness = _CellColor.w;
+			// }
+
+
+			// if (frac(uv.x*gsize/_LineOffset) <= _LineSize)
+			// {
+			// 	brightness = _LineColor.w;
+			// 	color = _LineColor;
+			// }
+			// if (frac(uv.x*gsize/.5) <= _LineSize || fradc(uv.y*gsize) <= _LineSize)
+			// {
+			// 	brightness = _LineColor.w;
+			// 	color = _LineColor;
+			// }
+			
+
+			//Clip transparent spots using alpha cutout
+			if (brightness == 0.0) {
+				clip(c.a - 1.0);
+			}
+			
+
+			o.Albedo = float4( color.x*brightness,color.y*brightness,color.z*brightness,brightness);
+			// Metallic and smoothness come from slider variables
+			o.Metallic = 0.0;
+			o.Smoothness = 0.0;
+			o.Alpha = 0.0;
+		}
+		ENDCG
+	}
+	FallBack "Diffuse"
+}

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ML-Agents-Input-Example/Assets/ML-Agents/Examples/SharedAssets/Scripts/ModelOverrider.cs

+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using Unity.Barracuda;
+using System.IO;
+using Unity.Barracuda.ONNX;
+using Unity.MLAgents;
+using Unity.MLAgents.Policies;
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+
+namespace Unity.MLAgentsExamples
+{
+    /// <summary>
+    /// Utility class to allow the NNModel file for an agent to be overriden during inference.
+    /// This is used internally to validate the file after training is done.
+    /// The behavior name to override and file path are specified on the commandline, e.g.
+    /// player.exe --mlagents-override-model-directory /path/to/models
+    ///
+    /// Additionally, a number of episodes to run can be specified; after this, the application will quit.
+    /// Note this will only work with example scenes that have 1:1 Agent:Behaviors. More complicated scenes like WallJump
+    /// probably won't override correctly.
+    /// </summary>
+    public class ModelOverrider : MonoBehaviour
+    {
+        HashSet<string> k_SupportedExtensions = new HashSet<string> { "nn", "onnx" };
+        const string k_CommandLineModelOverrideDirectoryFlag = "--mlagents-override-model-directory";
+        const string k_CommandLineModelOverrideExtensionFlag = "--mlagents-override-model-extension";
+        const string k_CommandLineQuitAfterEpisodesFlag = "--mlagents-quit-after-episodes";
+        const string k_CommandLineQuitOnLoadFailure = "--mlagents-quit-on-load-failure";
+
+        // The attached Agent
+        Agent m_Agent;
+
+        string m_BehaviorNameOverrideDirectory;
+
+        private List<string> m_OverrideExtensions = new List<string>();
+
+        // Cached loaded NNModels, with the behavior name as the key.
+        Dictionary<string, NNModel> m_CachedModels = new Dictionary<string, NNModel>();
+
+
+        // Max episodes to run. Only used if > 0
+        // Will default to 1 if override models are specified, otherwise 0.
+        int m_MaxEpisodes;
+
+        int m_NumSteps;
+        int m_PreviousNumSteps;
+        int m_PreviousAgentCompletedEpisodes;
+
+        bool m_QuitOnLoadFailure;
+        [Tooltip("Debug values to be used in place of the command line for overriding models.")]
+        public string debugCommandLineOverride;
+
+        // Static values to keep track of completed episodes and steps across resets
+        // These are updated in OnDisable.
+        static int s_PreviousAgentCompletedEpisodes;
+        static int s_PreviousNumSteps;
+
+        int TotalCompletedEpisodes
+        {
+            get { return m_PreviousAgentCompletedEpisodes + (m_Agent == null ? 0 : m_Agent.CompletedEpisodes); }
+        }
+
+        int TotalNumSteps
+        {
+            get { return m_PreviousNumSteps + m_NumSteps; }
+        }
+
+        public bool HasOverrides
+        {
+            get
+            {
+                GetAssetPathFromCommandLine();
+                return !string.IsNullOrEmpty(m_BehaviorNameOverrideDirectory);
+            }
+        }
+
+        public static string GetOverrideBehaviorName(string originalBehaviorName)
+        {
+            return $"Override_{originalBehaviorName}";
+        }
+
+        /// <summary>
+        /// Get the asset path to use from the commandline arguments.
+        /// </summary>
+        /// <returns></returns>
+        void GetAssetPathFromCommandLine()
+        {
+            var maxEpisodes = 0;
+            string[] commandLineArgsOverride = null;
+            if (!string.IsNullOrEmpty(debugCommandLineOverride) && Application.isEditor)
+            {
+                commandLineArgsOverride = debugCommandLineOverride.Split(' ');
+            }
+
+            var args = commandLineArgsOverride ?? Environment.GetCommandLineArgs();
+            for (var i = 0; i < args.Length; i++)
+            {
+                if (args[i] == k_CommandLineModelOverrideDirectoryFlag && i < args.Length - 1)
+                {
+                    m_BehaviorNameOverrideDirectory = args[i + 1].Trim();
+                }
+                else if (args[i] == k_CommandLineModelOverrideExtensionFlag && i < args.Length - 1)
+                {
+                    var overrideExtension = args[i + 1].Trim().ToLower();
+                    var isKnownExtension = k_SupportedExtensions.Contains(overrideExtension);
+                    if (!isKnownExtension)
+                    {
+                        Debug.LogError($"loading unsupported format: {overrideExtension}");
+                        Application.Quit(1);
+#if UNITY_EDITOR
+                        EditorApplication.isPlaying = false;
+#endif
+                    }
+                    m_OverrideExtensions.Add(overrideExtension);
+                }
+                else if (args[i] == k_CommandLineQuitAfterEpisodesFlag && i < args.Length - 1)
+                {
+                    Int32.TryParse(args[i + 1], out maxEpisodes);
+                }
+                else if (args[i] == k_CommandLineQuitOnLoadFailure)
+                {
+                    m_QuitOnLoadFailure = true;
+                }
+            }
+
+            if (!string.IsNullOrEmpty(m_BehaviorNameOverrideDirectory))
+            {
+                // If overriding models, set maxEpisodes to 1 or the command line value
+                m_MaxEpisodes = maxEpisodes > 0 ? maxEpisodes : 1;
+                Debug.Log($"setting m_MaxEpisodes to {maxEpisodes}");
+            }
+        }
+
+        void OnEnable()
+        {
+            // Start with these initialized to previous values in the case where we're resetting scenes.
+            m_PreviousNumSteps = s_PreviousNumSteps;
+            m_PreviousAgentCompletedEpisodes = s_PreviousAgentCompletedEpisodes;
+
+            m_Agent = GetComponent<Agent>();
+
+            GetAssetPathFromCommandLine();
+            if (HasOverrides)
+            {
+                OverrideModel();
+            }
+        }
+
+        void OnDisable()
+        {
+            // Update the static episode and step counts.
+            // For a single agent in the scene, this will be a straightforward increment.
+            // If there are multiple agents, we'll increment the count by the Agent that completed the most episodes.
+            s_PreviousAgentCompletedEpisodes = Mathf.Max(s_PreviousAgentCompletedEpisodes, TotalCompletedEpisodes);
+            s_PreviousNumSteps = Mathf.Max(s_PreviousNumSteps, TotalNumSteps);
+        }
+
+        void FixedUpdate()
+        {
+            if (m_MaxEpisodes > 0)
+            {
+                // For Agents without maxSteps, exit as soon as we've hit the target number of episodes.
+                // For Agents that specify MaxStep, also make sure we've gone at least that many steps.
+                // Since we exit as soon as *any* Agent hits its target, the maxSteps condition keeps us running
+                // a bit longer in case there's an early failure.
+                if (TotalCompletedEpisodes >= m_MaxEpisodes && TotalNumSteps > m_MaxEpisodes * m_Agent.MaxStep)
+                {
+                    Debug.Log($"ModelOverride reached {TotalCompletedEpisodes} episodes and {TotalNumSteps} steps. Exiting.");
+                    Application.Quit(0);
+#if UNITY_EDITOR
+                    EditorApplication.isPlaying = false;
+#endif
+                }
+            }
+            m_NumSteps++;
+        }
+
+        public NNModel GetModelForBehaviorName(string behaviorName)
+        {
+            if (m_CachedModels.ContainsKey(behaviorName))
+            {
+                return m_CachedModels[behaviorName];
+            }
+
+            if (string.IsNullOrEmpty(m_BehaviorNameOverrideDirectory))
+            {
+                Debug.Log($"No override directory set.");
+                return null;
+            }
+
+            // Try the override extensions in order. If they weren't set, try .nn first, then .onnx.
+            var overrideExtensions = (m_OverrideExtensions.Count > 0)
+                ? m_OverrideExtensions.ToArray()
+                : new[] { "nn", "onnx" };
+
+            byte[] rawModel = null;
+            bool isOnnx = false;
+            string assetName = null;
+            foreach (var overrideExtension in overrideExtensions)
+            {
+                var assetPath = Path.Combine(m_BehaviorNameOverrideDirectory, $"{behaviorName}.{overrideExtension}");
+                try
+                {
+                    rawModel = File.ReadAllBytes(assetPath);
+                    isOnnx = overrideExtension.Equals("onnx");
+                    assetName = "Override - " + Path.GetFileName(assetPath);
+                    break;
+                }
+                catch (IOException)
+                {
+                    // Do nothing - try the next extension, or we'll exit if nothing loaded.
+                }
+            }
+
+            if (rawModel == null)
+            {
+                Debug.Log($"Couldn't load model file(s) for {behaviorName} in {m_BehaviorNameOverrideDirectory} (full path: {Path.GetFullPath(m_BehaviorNameOverrideDirectory)}");
+                // Cache the null so we don't repeatedly try to load a missing file
+                m_CachedModels[behaviorName] = null;
+                return null;
+            }
+
+            var asset = isOnnx ? LoadOnnxModel(rawModel) : LoadBarracudaModel(rawModel);
+            asset.name = assetName;
+            m_CachedModels[behaviorName] = asset;
+            return asset;
+        }
+
+        NNModel LoadBarracudaModel(byte[] rawModel)
+        {
+            var asset = ScriptableObject.CreateInstance<NNModel>();
+            asset.modelData = ScriptableObject.CreateInstance<NNModelData>();
+            asset.modelData.Value = rawModel;
+            return asset;
+        }
+
+        NNModel LoadOnnxModel(byte[] rawModel)
+        {
+            var converter = new ONNXModelConverter(true);
+            var onnxModel = converter.Convert(rawModel);
+
+            NNModelData assetData = ScriptableObject.CreateInstance<NNModelData>();
+            using (var memoryStream = new MemoryStream())
+            using (var writer = new BinaryWriter(memoryStream))
+            {
+                ModelWriter.Save(writer, onnxModel);
+                assetData.Value = memoryStream.ToArray();
+            }
+            assetData.name = "Data";
+            assetData.hideFlags = HideFlags.HideInHierarchy;
+
+            var asset = ScriptableObject.CreateInstance<NNModel>();
+            asset.modelData = assetData;
+            return asset;
+        }
+
+
+        /// <summary>
+        /// Load the NNModel file from the specified path, and give it to the attached agent.
+        /// </summary>
+        void OverrideModel()
+        {
+            bool overrideOk = false;
+            string overrideError = null;
+
+            m_Agent.LazyInitialize();
+            var bp = m_Agent.GetComponent<BehaviorParameters>();
+            var behaviorName = bp.BehaviorName;
+
+            NNModel nnModel = null;
+            try
+            {
+                nnModel = GetModelForBehaviorName(behaviorName);
+            }
+            catch (Exception e)
+            {
+                overrideError = $"Exception calling GetModelForBehaviorName: {e}";
+            }
+
+            if (nnModel == null)
+            {
+                if (string.IsNullOrEmpty(overrideError))
+                {
+                    overrideError =
+                        $"Didn't find a model for behaviorName {behaviorName}. Make " +
+                        "sure the behaviorName is set correctly in the commandline " +
+                        "and that the model file exists";
+                }
+            }
+            else
+            {
+                var modelName = nnModel != null ? nnModel.name : "<null>";
+                Debug.Log($"Overriding behavior {behaviorName} for agent with model {modelName}");
+                try
+                {
+                    m_Agent.SetModel(GetOverrideBehaviorName(behaviorName), nnModel);
+                    overrideOk = true;
+                }
+                catch (Exception e)
+                {
+                    overrideError = $"Exception calling Agent.SetModel: {e}";
+                }
+            }
+
+            if (!overrideOk && m_QuitOnLoadFailure)
+            {
+                if (!string.IsNullOrEmpty(overrideError))
+                {
+                    Debug.LogWarning(overrideError);
+                }
+                Application.Quit(1);
+#if UNITY_EDITOR
+                EditorApplication.isPlaying = false;
+#endif
+            }
+
+        }
+    }
+}

ML-Agents-Input-Example/Assets/ML-Agents/Examples/SharedAssets/Scripts/ModelOverrider.cs.meta

+fileFormatVersion: 2
+guid: 3a6da8f78a394c6ab027688eab81e04d
+timeCreated: 1579651041

ML-Agents-Input-Example/Assets/ML-Agents/Examples/SharedAssets/Scripts/ProjectSettingsOverrides.cs

+using UnityEngine;
+using Unity.MLAgents;
+
+namespace Unity.MLAgentsExamples
+{
+    /// <summary>
+    /// A helper class for the ML-Agents example scenes to override various
+    /// global settings, and restore them afterwards.
+    /// This can modify some Physics and time-stepping properties, so you
+    /// shouldn't copy it into your project unless you know what you're doing.
+    /// </summary>
+    public class ProjectSettingsOverrides : MonoBehaviour
+    {
+        // Original values
+        Vector3 m_OriginalGravity;
+        float m_OriginalFixedDeltaTime;
+        float m_OriginalMaximumDeltaTime;
+        int m_OriginalSolverIterations;
+        int m_OriginalSolverVelocityIterations;
+        bool m_OriginalReuseCollisionCallbacks;
+
+        [Tooltip("Increase or decrease the scene gravity. Use ~3x to make things less floaty")]
+        public float gravityMultiplier = 1.0f;
+
+        [Header("Advanced physics settings")]
+        [Tooltip("The interval in seconds at which physics and other fixed frame rate updates (like MonoBehaviour's FixedUpdate) are performed.")]
+        public float fixedDeltaTime = .02f;
+        [Tooltip("The maximum time a frame can take. Physics and other fixed frame rate updates (like MonoBehaviour's FixedUpdate) will be performed only for this duration of time per frame.")]
+        public float maximumDeltaTime = 1.0f / 3.0f;
+        [Tooltip("Determines how accurately Rigidbody joints and collision contacts are resolved. (default 6). Must be positive.")]
+        public int solverIterations = 6;
+        [Tooltip("Affects how accurately the Rigidbody joints and collision contacts are resolved. (default 1). Must be positive.")]
+        public int solverVelocityIterations = 1;
+        [Tooltip("Determines whether the garbage collector should reuse only a single instance of a Collision type for all collision callbacks. Reduces Garbage.")]
+        public bool reuseCollisionCallbacks = true;
+
+        public void Awake()
+        {
+            // Save the original values
+            m_OriginalGravity = Physics.gravity;
+            m_OriginalFixedDeltaTime = Time.fixedDeltaTime;
+            m_OriginalMaximumDeltaTime = Time.maximumDeltaTime;
+            m_OriginalSolverIterations = Physics.defaultSolverIterations;
+            m_OriginalSolverVelocityIterations = Physics.defaultSolverVelocityIterations;
+            m_OriginalReuseCollisionCallbacks = Physics.reuseCollisionCallbacks;
+
+            // Override
+            Physics.gravity *= gravityMultiplier;
+            Time.fixedDeltaTime = fixedDeltaTime;
+            Time.maximumDeltaTime = maximumDeltaTime;
+            Physics.defaultSolverIterations = solverIterations;
+            Physics.defaultSolverVelocityIterations = solverVelocityIterations;
+            Physics.reuseCollisionCallbacks = reuseCollisionCallbacks;
+
+            // Make sure the Academy singleton is initialized first, since it will create the SideChannels.
+            Academy.Instance.EnvironmentParameters.RegisterCallback("gravity", f => { Physics.gravity = new Vector3(0, -f, 0); });
+        }
+
+        public void OnDestroy()
+        {
+            Physics.gravity = m_OriginalGravity;
+            Time.fixedDeltaTime = m_OriginalFixedDeltaTime;
+            Time.maximumDeltaTime = m_OriginalMaximumDeltaTime;
+            Physics.defaultSolverIterations = m_OriginalSolverIterations;
+            Physics.defaultSolverVelocityIterations = m_OriginalSolverVelocityIterations;
+            Physics.reuseCollisionCallbacks = m_OriginalReuseCollisionCallbacks;
+        }
+    }
+}

ML-Agents-Input-Example/Assets/ML-Agents/Examples/SharedAssets/Scripts/ProjectSettingsOverrides.cs.meta

+fileFormatVersion: 2
+guid: ec51f47c5ed0478080c449c74fd9c154
+timeCreated: 1578511069

ML-Agents-Input-Example/Packages/manifest.json

+{
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+    "com.unity.modules.screencapture": "1.0.0",
+    "com.unity.modules.terrain": "1.0.0",
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+    "com.unity.modules.ui": "1.0.0",
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+    "com.unity.modules.unitywebrequestaudio": "1.0.0",
+    "com.unity.modules.unitywebrequesttexture": "1.0.0",
+    "com.unity.modules.unitywebrequestwww": "1.0.0",
+    "com.unity.modules.vehicles": "1.0.0",
+    "com.unity.modules.video": "1.0.0",
+    "com.unity.modules.vr": "1.0.0",
+    "com.unity.modules.wind": "1.0.0",
+    "com.unity.modules.xr": "1.0.0"
+  },
+  "testables": [
+    "com.unity.ml-agents",
+    "com.unity.ml-agents.extensions",
+    "com.unity.inputsystem"
+  ]
+}

ML-Agents-Input-Example/Packages/packages-lock.json

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+      }
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+      }
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+      "version": "1.0.0",
+      "depth": 0,
+      "source": "builtin",
+      "dependencies": {
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+        "com.unity.modules.ui": "1.0.0",
+        "com.unity.modules.unitywebrequest": "1.0.0"
+      }
+    },
+    "com.unity.modules.vr": {
+      "version": "1.0.0",
+      "depth": 0,
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+      "dependencies": {
+        "com.unity.modules.jsonserialize": "1.0.0",
+        "com.unity.modules.physics": "1.0.0",
+        "com.unity.modules.xr": "1.0.0"
+      }
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+    "com.unity.modules.wind": {
+      "version": "1.0.0",
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+        "com.unity.modules.jsonserialize": "1.0.0",
+        "com.unity.modules.subsystems": "1.0.0"
+      }
+    }
+  }
+}

ML-Agents-Input-Example/ProjectSettings/AudioManager.asset

+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!11 &1
+AudioManager:
+  m_ObjectHideFlags: 0
+  serializedVersion: 2
+  m_Volume: 1
+  Rolloff Scale: 1
+  Doppler Factor: 1
+  Default Speaker Mode: 2
+  m_SampleRate: 0
+  m_DSPBufferSize: 1024
+  m_VirtualVoiceCount: 512
+  m_RealVoiceCount: 32
+  m_SpatializerPlugin: 
+  m_AmbisonicDecoderPlugin: 
+  m_DisableAudio: 0
+  m_VirtualizeEffects: 1
+  m_RequestedDSPBufferSize: 0

ML-Agents-Input-Example/ProjectSettings/BurstAotSettings_StandaloneOSX.json

+{
+  "MonoBehaviour": {
+    "Version": 3,
+    "EnableBurstCompilation": true,
+    "EnableOptimisations": true,
+    "EnableSafetyChecks": false,
+    "EnableDebugInAllBuilds": false,
+    "UsePlatformSDKLinker": false,
+    "CpuMinTargetX32": 0,
+    "CpuMaxTargetX32": 0,
+    "CpuMinTargetX64": 0,
+    "CpuMaxTargetX64": 0,
+    "CpuTargetsX64": 72
+  }
+}

ML-Agents-Input-Example/ProjectSettings/ClusterInputManager.asset

+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!236 &1
+ClusterInputManager:
+  m_ObjectHideFlags: 0
+  m_Inputs: []