tracks.singlePlayer.advanced.olets

Class SingleMCTSPlayer

java.lang.Object

tracks.singlePlayer.advanced.olets.SingleMCTSPlayer

public class SingleMCTSPlayer
extends java.lang.Object

Code written by Adrien Couetoux, acouetoux@ulg.ac.be. Date: 15/12/2015

Author:

Adrien Couëtoux

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.Random	randomGenerator Random generator.

Constructor Summary

Constructors

Constructor and Description
SingleMCTSPlayer(java.util.Random randomGenerator, Agent agent) Public constructor with a sampleRandom generator object.

Method Summary

Modifier and Type	Method and Description
void	init(StateObservation gameState) Initializes the tree with the new observation state in the root.
double	rollOut(StateObservation _currentObservation) Plays random moves until the simulation ends (either because we do MCTSRolloutDepth moves, or the game ends)
int	run(ElapsedCpuTimer elapsedTimer) Runs MCTS to decide the action to take.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

randomGenerator

public static java.util.Random randomGenerator

Random generator.

Constructor Detail

SingleMCTSPlayer

public SingleMCTSPlayer(java.util.Random randomGenerator,
                        Agent agent)

Public constructor with a sampleRandom generator object.

Parameters:

randomGenerator - sampleRandom generator object.

Method Detail

init

public void init(StateObservation gameState)

Initializes the tree with the new observation state in the root.

Parameters:

gameState - current state of the game.

run

public int run(ElapsedCpuTimer elapsedTimer)

Runs MCTS to decide the action to take. It does not reset the tree.

Parameters:

elapsedTimer - Timer when the action returned is due.

Returns:

the action to execute in the game.

rollOut

public double rollOut(StateObservation _currentObservation)

Plays random moves until the simulation ends (either because we do MCTSRolloutDepth moves, or the game ends)

Parameters:

_currentObservation - the initial state observation

Returns:

the final value after playing the random moves