[Semantics] renaming StateType to SpaceType (#382)

unity-environment/Assets/ML-Agents/Examples/3DBall/Scripts/Ball3DAgent.cs

 
     public override void AgentAction(float[] act)
     {
-        if (brain.brainParameters.vectorActionSpaceType == StateType.continuous)
+        if (brain.brainParameters.vectorActionSpaceType == SpaceType.continuous)
         {
             float action_z = 2f * Mathf.Clamp(act[0], -1f, 1f);
             if ((gameObject.transform.rotation.z < 0.25f && action_z > 0f) ||

unity-environment/Assets/ML-Agents/Examples/3DBall/Scripts/Ball3DDecision.cs

 {
     public float[] Decide(List<float> state, List<Texture2D> observation, float reward, bool done, List<float> memory)
     {
-        if (gameObject.GetComponent<Brain>().brainParameters.vectorActionSpaceType == StateType.continuous)
+        if (gameObject.GetComponent<Brain>().brainParameters.vectorActionSpaceType == SpaceType.continuous)
         {
             List<float> ret = new List<float>();
             if (state[2] < 0 || state[5] < 0)

unity-environment/Assets/ML-Agents/Examples/3DBall/Scripts/Ball3DHardAgent.cs

 
     public override void AgentAction(float[] act)
     {
-        if (brain.brainParameters.vectorActionSpaceType == StateType.continuous)
+        if (brain.brainParameters.vectorActionSpaceType == SpaceType.continuous)
         {
             float action_z = 2f * Mathf.Clamp(act[0], -1f, 1f);
             if ((gameObject.transform.rotation.z < 0.25f && action_z > 0f) ||

unity-environment/Assets/ML-Agents/Examples/Area/Scripts/AreaAgent.cs

         float directionZ = 0;
         float directionY = 0;
 
-        if (brain.brainParameters.vectorActionSpaceType == StateType.continuous)
+        if (brain.brainParameters.vectorActionSpaceType == SpaceType.continuous)
         {
             directionX = Mathf.Clamp(act[0], -1f, 1f);
             directionZ = Mathf.Clamp(act[1], -1f, 1f);

unity-environment/Assets/ML-Agents/Examples/Hallway/Scripts/HallwayAgent.cs

         Vector3 rotateDir = Vector3.zero;
 
         //If we're using Continuous control you will need to change the Action
-        if (brain.brainParameters.vectorActionSpaceType == StateType.continuous)
+        if (brain.brainParameters.vectorActionSpaceType == SpaceType.continuous)
         {
             dirToGo = transform.forward * Mathf.Clamp(act[0], -1f, 1f);
             rotateDir = transform.up * Mathf.Clamp(act[1], -1f, 1f);

unity-environment/Assets/ML-Agents/Scripts/Agent.cs

             return;
 
         BrainParameters param = brain.brainParameters;
-        if (param.vectorActionSpaceType == StateType.continuous)
+        if (param.vectorActionSpaceType == SpaceType.continuous)
         {
             _action.vectorActions = new float[param.vectorActionSize];
             _info.StoredVectorActions = new float[param.vectorActionSize];
         _action.textActions = "";
         _info.memories = new List<float>();
         _action.memories = new List<float>();
-        if (param.vectorObservationSpaceType == StateType.continuous)
+        if (param.vectorObservationSpaceType == SpaceType.continuous)
         {
             _info.vectorObservation =
                 new List<float>(param.vectorObservationSize);
         CollectObservations();
 
         BrainParameters param = brain.brainParameters;
-        if (param.vectorObservationSpaceType == StateType.continuous)
+        if (param.vectorObservationSpaceType == SpaceType.continuous)
         {
             if (_info.vectorObservation.Count != param.vectorObservationSize)
             {

unity-environment/Assets/ML-Agents/Scripts/Brain.cs

     Internal
 }
 
-public enum StateType
+public enum SpaceType
 {
     discrete,
     continuous
     public string[] vectorActionDescriptions;
     /**< \brief The list of strings describing what the actions correpond to */
 
-    public StateType vectorActionSpaceType = StateType.discrete;
+    public SpaceType vectorActionSpaceType = SpaceType.discrete;
-    public StateType vectorObservationSpaceType = StateType.continuous;
+    public SpaceType vectorObservationSpaceType = SpaceType.continuous;
     /**< \brief Defines if the state is discrete or continuous */
 }
 

unity-environment/Assets/ML-Agents/Scripts/CoreBrainInternal.cs

         if (hasState)
         {
             int stateLength = 1;
-            if (brain.brainParameters.vectorObservationSpaceType == StateType.continuous)
+            if (brain.brainParameters.vectorObservationSpaceType == SpaceType.continuous)
             {
                 stateLength = brain.brainParameters.vectorObservationSize;
             }
         // Create the state tensor
         if (hasState)
         {
-            if (brain.brainParameters.vectorObservationSpaceType == StateType.discrete)
+            if (brain.brainParameters.vectorObservationSpaceType == SpaceType.discrete)
             {
                 var discreteInputState = new int[currentBatchSize, 1];
                 for (int i = 0; i < currentBatchSize; i++)
 
         }
 
-        if (brain.brainParameters.vectorActionSpaceType == StateType.continuous)
+        if (brain.brainParameters.vectorActionSpaceType == SpaceType.continuous)
         {
             var output = networkOutput[0].GetValue() as float[,];
             var i = 0;
                 i++;
             }
         }
-        else if (brain.brainParameters.vectorActionSpaceType == StateType.discrete)
+        else if (brain.brainParameters.vectorActionSpaceType == SpaceType.discrete)
         {
             long[,] output = networkOutput[0].GetValue() as long[,];
             var i = 0;

unity-environment/Assets/ML-Agents/Scripts/CoreBrainPlayer.cs

 		{
 			coord.GiveBrainInfo(brain, agentInfo);
 		}
-        if (brain.brainParameters.vectorActionSpaceType == StateType.continuous)
+        if (brain.brainParameters.vectorActionSpaceType == SpaceType.continuous)
         {
             foreach (Agent agent in agentInfo.Keys)
             {
         broadcast = EditorGUILayout.Toggle(new GUIContent("Broadcast",
                       "If checked, the brain will broadcast states and actions to Python."), broadcast);
         var serializedBrain = new SerializedObject(this);
-        if (brain.brainParameters.vectorActionSpaceType == StateType.continuous)
+        if (brain.brainParameters.vectorActionSpaceType == SpaceType.continuous)
         {
             GUILayout.Label("Edit the continuous inputs for your actions", EditorStyles.boldLabel);
             var chas = serializedBrain.FindProperty("continuousPlayerActions");

unity-environment/Assets/ML-Agents/Scripts/ExternalCommunicator.cs

 
                 for (int i = 0; i < current_agents[brainName].Count(); i++)
                 {
-                    if (brain.brainParameters.vectorActionSpaceType == StateType.continuous)
+                    if (brain.brainParameters.vectorActionSpaceType == SpaceType.continuous)
                     {
                         current_agents[brainName][i].UpdateVectorAction(rMessage.vector_action[brainName].GetRange(
                             i * brain.brainParameters.vectorActionSize, brain.brainParameters.vectorActionSize).ToArray());