fix max step tennis

Project/Assets/ML-Agents/Examples/Tennis/Prefabs/TennisArea.prefab

   agentParameters:
     maxStep: 0
   hasUpgradedFromAgentParameters: 1
-  maxStep: 0
+  maxStep: 3000
   ball: {fileID: 1273406647218856}
   invertX: 0
   score: 0
   m_Name: 
   m_EditorClassIdentifier: 
   areaObject: {fileID: 1541947554534326}
-  lastAgentHit: 0
-  lastFloorHit: 0
 --- !u!1 &1299636753784036
 GameObject:
   m_ObjectHideFlags: 0
   agentParameters:
     maxStep: 0
   hasUpgradedFromAgentParameters: 1
-  maxStep: 0
+  maxStep: 3000
   ball: {fileID: 1273406647218856}
   invertX: 1
   score: 0

Project/Assets/ML-Agents/Examples/Tennis/Scripts/HitWall.cs

 public class HitWall : MonoBehaviour
 {
     public GameObject areaObject;
-    public int lastAgentHit;
+    int m_LastAgentHit;
 
     public enum FloorHit
         {
             FloorBHit
         }
 
-    public FloorHit lastFloorHit;
+    FloorHit m_LastFloorHit;
 
     TennisArea m_Area;
     TennisAgent m_AgentA;
         m_AgentB = m_Area.agentB.GetComponent<TennisAgent>();
     }
 
+    public void ResetPoint()
+    {
+        m_LastFloorHit = FloorHit.Service;
+        m_LastAgentHit = -1;
+    }
+
-        lastFloorHit = FloorHit.Service;
-        lastAgentHit = -1;
     }
     
     void AgentAWins()
             if (collision.gameObject.name == "wallA")
             {
                 // Agent A hits into wall or agent B hit a winner
-                if (lastAgentHit == 0 || lastFloorHit == FloorHit.FloorAHit)
+                if (m_LastAgentHit == 0 || m_LastFloorHit == FloorHit.FloorAHit)
                 {
                     AgentBWins();
                 }
             else if (collision.gameObject.name == "wallB")
             {
                 // Agent B hits into wall or agent A hit a winner
-                if (lastAgentHit == 1 || lastFloorHit == FloorHit.FloorBHit)
+                if (m_LastAgentHit == 1 || m_LastFloorHit == FloorHit.FloorBHit)
                 {
                     AgentAWins();
                 }
             else if (collision.gameObject.name == "floorA")
             {
                 // Agent A hits into floor, double bounce or service
-                if (lastAgentHit == 0 || lastFloorHit == FloorHit.FloorAHit || lastFloorHit == FloorHit.Service)
+                if (m_LastAgentHit == 0 || m_LastFloorHit == FloorHit.FloorAHit || m_LastFloorHit == FloorHit.Service)
-                    lastFloorHit = FloorHit.FloorAHit;
+                    m_LastFloorHit = FloorHit.FloorAHit;
-                if (lastAgentHit == 1 || lastFloorHit == FloorHit.FloorBHit || lastFloorHit == FloorHit.Service)
+                if (m_LastAgentHit == 1 || m_LastFloorHit == FloorHit.FloorBHit || m_LastFloorHit == FloorHit.Service)
-                    lastFloorHit = FloorHit.FloorBHit;
+                    m_LastFloorHit = FloorHit.FloorBHit;
                 }
             }
         }
-            if (lastAgentHit == 0)
+            if (m_LastAgentHit == 0)
             {
                 AgentBWins();
             }
-                lastAgentHit = 0;
-                lastFloorHit = FloorHit.FloorHitUnset;
+                m_LastAgentHit = 0;
+                m_LastFloorHit = FloorHit.FloorHitUnset;
-            if (lastAgentHit == 1)
+            if (m_LastAgentHit == 1)
-                lastAgentHit = 1;
-                lastFloorHit = FloorHit.FloorHitUnset;
+                m_LastAgentHit = 1;
+                m_LastFloorHit = FloorHit.FloorHitUnset;
             }
         }
     }

Project/Assets/ML-Agents/Examples/Tennis/Scripts/TennisAgent.cs

     Text m_TextComponent;
     Rigidbody m_AgentRb;
     Rigidbody m_BallRb;
+    TennisArea m_Area;
     float m_InvertMult;
     FloatPropertiesChannel m_ResetParams;
 
     {
         m_AgentRb = GetComponent<Rigidbody>();
         m_BallRb = ball.GetComponent<Rigidbody>();
+        m_Area = myArea.GetComponent<TennisArea>();
         var canvas = GameObject.Find(k_CanvasName);
         GameObject scoreBoard;
         m_ResetParams = SideChannelUtils.GetSideChannel<FloatPropertiesChannel>();
                 transform.position.z);
         }
        // AddReward(-1f / 3000f);
-       timePenalty += -1f / 3000f;
+        timePenalty += -1f / 3000f;
 
         m_TextComponent.text = score.ToString();
     }
 
         timePenalty = 0;
         m_InvertMult = invertX ? -1f : 1f;
-
+        if (m_InvertMult == 1f)
+        {
+            m_Area.MatchReset();
+        }
-
         SetResetParameters();
     }
 

Project/Assets/ML-Agents/Examples/Tennis/Scripts/TennisArea.cs

     public GameObject agentA;
     public GameObject agentB;
     Rigidbody m_BallRb;
-
+    HitWall m_BallScript;
+        m_BallScript = ball.GetComponent<HitWall>();
         MatchReset();
     }
 
         }
         m_BallRb.velocity = new Vector3(0f, 0f, 0f);
         ball.transform.localScale = new Vector3(.5f, .5f, .5f);
-        ball.GetComponent<HitWall>().lastAgentHit = -1;
+        m_BallScript.ResetPoint();
     }
 
     void FixedUpdate()