SingleTreeNode

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

public class SingleTreeNode
extends java.lang.Object

Field Summary

Fields
Modifier and Type	Field and Description
`Types.ACTIONS[][]`	`actions`
`protected double[]`	`bounds`
`int`	`childIdx`
`SingleTreeNode[]`	`children`
`double`	`egreedyEpsilon`
`double`	`epsilon`
`int`	`id`
`double`	`K`
`int`	`m_depth`
`java.util.Random`	`m_rnd`
`int`	`MCTS_ITERATIONS`
`int`	`no_players`
`int[]`	`NUM_ACTIONS`
`int`	`nVisits`
`int`	`oppID`
`SingleTreeNode`	`parent`
`double`	`REWARD_DISCOUNT`
`int`	`ROLLOUT_DEPTH`
`StateObservationMulti`	`rootState`
`double`	`totValue`

Constructor Summary

Constructors
Constructor and Description
`SingleTreeNode(java.util.Random rnd, int[] NUM_ACTIONS, Types.ACTIONS[][] actions, int id, int oppID, int no_players)`
`SingleTreeNode(SingleTreeNode parent, int childIdx, java.util.Random rnd, int id, int oppID, int no_players, 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(StateObservationMulti state)`
`boolean`	`finishRollout(StateObservationMulti rollerState, int depth)`
`void`	`mctsSearch(ElapsedCpuTimer elapsedTimer)`
`int`	`mostVisitedAction()`
`boolean`	`notFullyExpanded()`
`double`	`rollOut(StateObservationMulti state)`
`SingleTreeNode`	`treePolicy(StateObservationMulti state)`
`SingleTreeNode`	`uct(StateObservationMulti state)`
`double`	`value(StateObservationMulti 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
```

MCTS_ITERATIONS
```
public int MCTS_ITERATIONS
```

ROLLOUT_DEPTH
```
public int ROLLOUT_DEPTH
```

K
```
public double K
```

REWARD_DISCOUNT
```
public double REWARD_DISCOUNT
```

NUM_ACTIONS
```
public int[] NUM_ACTIONS
```

actions
```
public Types.ACTIONS[][] actions
```

id
```
public int id
```

oppID
```
public int oppID
```

no_players
```
public int no_players
```

rootState
```
public StateObservationMulti rootState
```

Constructor Detail

SingleTreeNode

public SingleTreeNode(java.util.Random rnd,
                      int[] NUM_ACTIONS,
                      Types.ACTIONS[][] actions,
                      int id,
                      int oppID,
                      int no_players)

SingleTreeNode

public SingleTreeNode(SingleTreeNode parent,
                      int childIdx,
                      java.util.Random rnd,
                      int id,
                      int oppID,
                      int no_players,
                      int[] NUM_ACTIONS,
                      Types.ACTIONS[][] actions)

Method Detail

mctsSearch

public void mctsSearch(ElapsedCpuTimer elapsedTimer)

treePolicy

public SingleTreeNode treePolicy(StateObservationMulti state)

expand

public SingleTreeNode expand(StateObservationMulti state)

uct

public SingleTreeNode uct(StateObservationMulti state)

rollOut

public double rollOut(StateObservationMulti state)

value

public double value(StateObservationMulti a_gameState)

finishRollout

public boolean finishRollout(StateObservationMulti 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

MCTS_ITERATIONS

ROLLOUT_DEPTH

K

REWARD_DISCOUNT

NUM_ACTIONS

actions

id

oppID

no_players

rootState

Constructor Detail

SingleTreeNode

SingleTreeNode

Method Detail

mctsSearch

treePolicy

expand

uct

rollOut

value

finishRollout

backUp

mostVisitedAction

bestAction

notFullyExpanded