added freezeblock action

UnitySDK/Assets/ML-Agents/Examples/Builder/Brains/BuilderGrabLearning.asset

   m_Name: BuilderGrabLearning
   m_EditorClassIdentifier: 
   brainParameters:
-    vectorObservationSize: 116
+    vectorObservationSize: 85
-    vectorActionSize: 03000000030000000200000002000000
+    vectorActionSize: 0300000003000000020000000200000002000000
+    - 
     - 
     - 
     - 

UnitySDK/Assets/ML-Agents/Examples/Builder/Brains/BuilderGrabPlayer.asset

   m_Name: BuilderGrabPlayer
   m_EditorClassIdentifier: 
   brainParameters:
-    vectorObservationSize: 116
+    vectorObservationSize: 85
-    vectorActionSize: 03000000030000000200000002000000
+    vectorActionSize: 0300000003000000020000000200000002000000
+    - 
     - 
     - 
     - 

UnitySDK/Assets/ML-Agents/Examples/Builder/Scripts/BuilderAcademy.cs

     public Material failMaterial;
     public Material grabbedMaterial;
     public Material notGrabbedMaterial;
+    public Material frozenMaterial;
     public float heightRewardCoeff = .01f;
 }

UnitySDK/Assets/ML-Agents/Examples/Builder/Scripts/BuilderAgent.cs

         m_agentMovement = FindObjectOfType<AgentCubeMovement>();
         m_RayPer = GetComponent<RayPerception>();
         m_Configuration = Random.Range(0, 5);
-        m_DetectableObjects = new[] { "block" };
+        m_DetectableObjects = new[] { "block", "frozenBlock"};
         m_SpawnAreaBounds = spawnArea.GetComponent<Collider>().bounds;
         m_GroundRenderer = ground.GetComponent<Renderer>();
         m_AgentRb = GetComponent<Rigidbody>();
                 GrabBlock();
             }
         }
+        var freezeBlockAction = (int)act[4];
+        if (freezeBlockAction == 1)
+        {
+            if(grabbingItem)
+            {
+                grabbedItemRb.isKinematic = true;
+                grabbedItemRb.gameObject.tag = "frozenBlock";
+                grabbedItemRb.transform.SetParent(m_AreaTransform);
+                grabbedItemRb.transform.GetComponent<Renderer>().material = m_Academy.frozenMaterial;
+                grabbedItemCol.enabled = true;
+                grabbingItem = false;
+            }
+            else
+            {
+                RaycastHit hit;
+                if (Physics.Raycast(m_AgentRb.position, transform.forward, out hit, 1f))
+                {
+                    var rb = hit.transform.GetComponent<Rigidbody>();
+                    var col = hit.collider;
+                    if (hit.collider.gameObject.CompareTag("block")) //need to freeez
+                    {
+                        //freeze block
+                        rb.isKinematic = true;
+                        rb.gameObject.tag = "frozenBlock";
+                        rb.transform.SetParent(m_AreaTransform);
+                        rb.transform.GetComponent<Renderer>().material = m_Academy.frozenMaterial;
+                        col.enabled = true;
+                    }
+                    else if(hit.collider.gameObject.CompareTag("frozenBlock")) //need to unfreeze
+                    {
+                        //unfreeze block
+                        rb.isKinematic = false;
+                        rb.gameObject.tag = "block";
+                        rb.transform.SetParent(m_AreaTransform);
+                        rb.transform.GetComponent<Renderer>().material = m_Academy.notGrabbedMaterial;
+                        col.enabled = true;
+                    }
+                }
+//                GrabBlock();
+            }
+        }
 
         
         
         }
     }
 
+    void FreezeBlock(Rigidbody rb)
+    {
+        
+    }
+    
     bool AllBlockOnPlatform()
     {
         foreach (var item in buildingBlocksList)
                 GrabBlock();
             }
         }
+        if (Input.GetKeyDown(KeyCode.F))
+        {
+            if(grabbingItem)
+            {
+                grabbedItemRb.isKinematic = true;
+                grabbedItemRb.gameObject.tag = "frozenBlock";
+                grabbedItemRb.transform.SetParent(m_AreaTransform);
+                grabbedItemRb.transform.GetComponent<Renderer>().material = m_Academy.frozenMaterial;
+                grabbedItemCol.enabled = true;
+                grabbingItem = false;
+            }
+            else
+            {
+                RaycastHit hit;
+                if (Physics.Raycast(m_AgentRb.position, transform.forward, out hit, 1f))
+                {
+                    var rb = hit.transform.GetComponent<Rigidbody>();
+                    var col = hit.collider;
+                    if (hit.collider.gameObject.CompareTag("block")) //need to freeez
+                    {
+                        //freeze block
+                        rb.isKinematic = true;
+                        rb.gameObject.tag = "frozenBlock";
+                        rb.transform.SetParent(m_AreaTransform);
+                        rb.transform.GetComponent<Renderer>().material = m_Academy.frozenMaterial;
+                        col.enabled = true;
+                    }
+                    else if (hit.collider.gameObject.CompareTag("frozenBlock")) //need to unfreeze
+                    {
+                        //unfreeze block
+                        rb.isKinematic = false;
+                        rb.gameObject.tag = "block";
+                        rb.transform.SetParent(m_AreaTransform);
+                        rb.transform.GetComponent<Renderer>().material = m_Academy.notGrabbedMaterial;
+                        col.enabled = true;
+                    }
+                }
+            }
+        }
     }
 
     public override void AgentAction(float[] vectorAction, string textAction)
         RaycastHit hit;
         if (Physics.Raycast(m_AgentRb.position, transform.forward, out hit, 1f))
         {
-            if (hit.collider.gameObject.CompareTag("block"))
+            if (hit.collider.gameObject.CompareTag("block") || hit.collider.gameObject.CompareTag("frozenBlock"))
             {
                 hit.rigidbody.isKinematic = true;
                 hit.transform.SetParent(transform);

UnitySDK/Assets/ML-Agents/Examples/SharedAssets/Scripts/AgentCubeGroundCheck.cs

                     {
                         if (col != null && col.transform != transform &&
                             (col.CompareTag("walkableSurface") ||
+                            col.CompareTag("frozenBlock") ||
                                 col.CompareTag("block")))
                         {
                             isGrounded = true; //then we're grounded

UnitySDK/ProjectSettings/TagManager.asset

   - purpleAgent
   - purpleGoal
   - hazard
+  - frozenBlock
   layers:
   - Default
   - TransparentFX

UnitySDK/csharp_timers.json

-{"count":1,"self":159.04896,"total":159.115523,"children":{"AgentResetIfDone":{"count":76,"self":0.007153,"total":0.007153,"children":null},"AgentSendState":{"count":76,"self":0.01151,"total":0.026241999999999998,"children":{"CollectObservations":{"count":26,"self":0.014731999999999999,"total":0.014731999999999999,"children":null}}},"BrainDecideAction":{"count":76,"self":0.0063419999999999995,"total":0.0063419999999999995,"children":null},"AcademyStep":{"count":76,"self":0.004124,"total":0.004124,"children":null},"AgentAct":{"count":76,"self":0.014031,"total":0.014031,"children":null}}}
+{"count":1,"self":31.903792,"total":32.463443,"children":{"AgentResetIfDone":{"count":1534,"self":0.10846399999999999,"total":0.10846399999999999,"children":null},"AgentSendState":{"count":1534,"self":0.107942,"total":0.19156399999999998,"children":{"CollectObservations":{"count":512,"self":0.083622,"total":0.083622,"children":null}}},"BrainDecideAction":{"count":1534,"self":0.072592999999999991,"total":0.072592999999999991,"children":null},"AcademyStep":{"count":1534,"self":0.073549,"total":0.073549,"children":null},"AgentAct":{"count":1534,"self":0.106849,"total":0.106849,"children":null}}}

csharp_timers.json

-{"count":1,"self":12.6202968,"total":13.332101999999999,"children":{"AgentResetIfDone":{"count":597,"self":0.008901,"total":0.008901,"children":null},"AgentSendState":{"count":597,"self":0.125016,"total":0.663338,"children":{"CollectObservations":{"count":12537,"self":0.538322,"total":0.538322,"children":null}}},"BrainDecideAction":{"count":597,"self":0.037295999999999996,"total":0.037295999999999996,"children":null}}}
+{"count":1,"self":1387.9455744,"total":12462.863405999999,"children":{"AgentResetIfDone":{"count":566609,"self":6.9580959999999994,"total":6.9580959999999994,"children":null},"AgentSendState":{"count":566609,"self":45.215696,"total":208.764177,"children":{"CollectObservations":{"count":3966270,"self":163.54847999999998,"total":163.54847999999998,"children":null}}},"BrainDecideAction":{"count":566609,"self":10580.1064448,"total":10580.106154,"children":null},"AcademyStep":{"count":566609,"self":4.3853599999999995,"total":4.3853599999999995,"children":null},"AgentAct":{"count":566609,"self":274.699392,"total":274.69939,"children":null}}}