SingleTreeNode

java.lang.Object
- tracks.singlePlayer.advanced.sampleMCTS.SingleTreeNode

public class SingleTreeNode
extends java.lang.Object

Field Summary

Fields
Modifier and Type	Field and Description
`protected double[]`	`bounds`
`int`	`childIdx`
`SingleTreeNode[]`	`children`
`double`	`egreedyEpsilon`
`double`	`epsilon`
`double`	`K`
`int`	`m_depth`
`java.util.Random`	`m_rnd`
`int`	`num_actions`
`int`	`nVisits`
`SingleTreeNode`	`parent`
`int`	`ROLLOUT_DEPTH`
`StateObservation`	`rootState`
`double`	`totValue`

Constructor Summary

Constructors
Constructor and Description
`SingleTreeNode(java.util.Random rnd, int num_actions, Types.ACTIONS[] actions)`
`SingleTreeNode(SingleTreeNode parent, int childIdx, java.util.Random rnd, int num_actions, Types.ACTIONS[] actions)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`backUp(SingleTreeNode node, double result)`
`int`	`bestAction()`
`SingleTreeNode`	`expand(StateObservation state)`
`boolean`	`finishRollout(StateObservation rollerState, int depth)`
`void`	`mctsSearch(ElapsedCpuTimer elapsedTimer)`
`int`	`mostVisitedAction()`
`boolean`	`notFullyExpanded()`
`double`	`rollOut(StateObservation state)`
`SingleTreeNode`	`treePolicy(StateObservation state)`
`SingleTreeNode`	`uct(StateObservation state)`
`double`	`value(StateObservation a_gameState)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

epsilon
```
public double epsilon
```

egreedyEpsilon
```
public double egreedyEpsilon
```

parent
```
public SingleTreeNode parent
```

children
```
public SingleTreeNode[] children
```

totValue
```
public double totValue
```

nVisits
```
public int nVisits
```

m_rnd
```
public java.util.Random m_rnd
```

m_depth
```
public int m_depth
```

bounds
```
protected double[] bounds
```

childIdx
```
public int childIdx
```

num_actions
```
public int num_actions
```

ROLLOUT_DEPTH
```
public int ROLLOUT_DEPTH
```

K
```
public double K
```

rootState
```
public StateObservation rootState
```

Constructor Detail

SingleTreeNode

public SingleTreeNode(java.util.Random rnd,
                      int num_actions,
                      Types.ACTIONS[] actions)

SingleTreeNode

public SingleTreeNode(SingleTreeNode parent,
                      int childIdx,
                      java.util.Random rnd,
                      int num_actions,
                      Types.ACTIONS[] actions)

Method Detail

mctsSearch

public void mctsSearch(ElapsedCpuTimer elapsedTimer)

treePolicy

public SingleTreeNode treePolicy(StateObservation state)

expand

public SingleTreeNode expand(StateObservation state)

uct

public SingleTreeNode uct(StateObservation state)

rollOut

public double rollOut(StateObservation state)

value

public double value(StateObservation a_gameState)

finishRollout

public boolean finishRollout(StateObservation rollerState,
                             int depth)

backUp

public void backUp(SingleTreeNode node,
                   double result)

mostVisitedAction
```
public int mostVisitedAction()
```

bestAction
```
public int bestAction()
```

notFullyExpanded
```
public boolean notFullyExpanded()
```

Class SingleTreeNode

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

epsilon

egreedyEpsilon

parent

children

totValue

nVisits

m_rnd

m_depth

bounds

childIdx

num_actions

ROLLOUT_DEPTH

K

rootState

Constructor Detail

SingleTreeNode

SingleTreeNode

Method Detail

mctsSearch

treePolicy

expand

uct

rollOut

value

finishRollout

backUp

mostVisitedAction

bestAction

notFullyExpanded