/// <summary>
/// Called when the start button is pressed <para/>
/// Initialises the <see cref="mcts"/> tree search object and instantiates the root node <para/>
/// Also creates as many starting nodes as the user specified
/// </summary>
public void StartButtonPressed()
{
//Create an empty board instance, which will have whatever game the user chooses assigned to it
Board board;
//Assign whatever game board the user has chosen to the board instance
switch (HashUIController.GetGameChoice)
{
case 0:
board = new TTTBoard();
displayBoardModel = false;
break;
case 1:
board = new C4Board();
displayBoardModel = true;
//Create a C4 Board GameObject and obtain a reference to its BoardModelController Component
GameObject boardModel = Instantiate(Resources.Load("C4 Board", typeof(GameObject))) as GameObject;
boardModelController = boardModel.GetComponent <BoardModelController>();
boardModelController.Initialise();
break;
case 2:
board = new OthelloBoard();
displayBoardModel = false;
break;
default:
throw new System.Exception("Unknown game type index has been input");
}
mcts = new TreeSearch <Node>(board);
//Calculate the position of the root node and add an object for it to the scene
Vector3 rootNodePosition = BoardToPosition(mcts.Root.GameBoard);
GameObject rootNode = Instantiate(Resources.Load("HashNode"), rootNodePosition, Quaternion.identity) as GameObject;
rootNode.transform.parent = transform;
rootNode.GetComponent <HashNode>().AddNode(null, mcts.Root, false);
rootNode.GetComponent <HashNode>().Initialise(rootNodePosition);
//Add the root node to the position and object map
nodePositionMap.Add(rootNodePosition, rootNode);
nodeObjectMap.Add(mcts.Root, rootNode);
//Create the amount of starting nodes specified by the user
for (int i = 0; i < HashUIController.GetStartingNodeInput(); i++)
{
PerformStep(true);
}
//Swap out the current menu panels
HashUIController.SetMenuPanelActive(false);
HashUIController.SetNavigationPanelActive(true);
}
/// <summary>
/// Called when the start/stop button is pressed <para/>
/// If MCTS is not running, then it will be started <para/>
/// If MCTS is running, this will make it finish early
/// </summary>
public void StartStopButtonPressed()
{
//Starts or ends MCTS depending on when the button is pressed
if (mcts == null)
{
//Create an empty board instance, which will have whatever game the user chooses assigned to it
Board board;
//Assign whatever game board the user has chosen to the board instance
switch (TreeUIController.GetGameChoice)
{
case 0:
displayBoardModel = false;
board = new TTTBoard();
break;
case 1:
displayBoardModel = true;
board = new C4Board();
//Create a C4 Board GameObject and obtain a reference to its BoardModelController Component
GameObject boardModel = Instantiate(Resources.Load("C4 Board", typeof(GameObject))) as GameObject;
boardModelController = boardModel.GetComponent <BoardModelController>();
boardModelController.Initialise();
break;
case 2:
displayBoardModel = false;
board = new OthelloBoard();
break;
default:
throw new System.Exception("Unknown game type index has been input");
}
//Assign whatever visualisation type the user has chosen
switch (TreeUIController.GetVisualisationChoice)
{
case 0:
visualisationType = VisualisationType.Standard3D;
break;
case 1:
visualisationType = VisualisationType.Disk2D;
break;
case 2:
visualisationType = VisualisationType.Cone;
break;
default:
throw new System.Exception("Unknown visualisation type: encountered");
}
//Initialise MCTS on the given game board
mcts = new TreeSearch <NodeObject>(board);
//Obtain the time to run mcts for from the input user amount
timeToRunFor = TreeUIController.GetTimeToRunInput;
timeLeft = timeToRunFor;
//Run mcts asyncronously
RunMCTS(mcts);
TreeUIController.StartButtonPressed();
}
else
{
//Stop the MCTS early
mcts.Finish();
}
}
