StateNode

Classes

• StateNode

Constants

• stack : Array.<StateNode>

Functions

• computeScore(move, totalPlayouts, totalUncertainPlayouts) ⇒ number

StateNode

Kind: global class
Author: Alex Goldring
Copyright: Company Named Limited (c) 2025

• StateNode
  • .depth : number
  • .wins : number
  • .losses : number
  • .playouts : number
  • .heuristicValue : number
  • .parent : null | StateNode
  • .moves : null | Array.<MoveEdge>
  • .type : StateType
  • .aggregateHeuristicScore()
  • .expand(state, computeValidMoves, computeTerminalFlag) ⇒ number
  • .addPlayouts(playouts, wins, losses)
  • .isTerminal() ⇒ boolean
  • .isExpanded() ⇒ boolean
  • .pickBestMoves() ⇒ Array.<MoveEdge>
  • .traverse(visitor)

stateNode.depth : number

How deep is the node in the tree

Kind: instance property of StateNode

stateNode.wins : number

Kind: instance property of StateNode

stateNode.losses : number

Number of leses in the subtree of this state

Kind: instance property of StateNode

stateNode.playouts : number

total number of explored playouts

Kind: instance property of StateNode

stateNode.heuristicValue : number

Kind: instance property of StateNode

stateNode.parent : null | StateNode

parent node, previous state

Kind: instance property of StateNode

stateNode.moves : null | Array.<MoveEdge>

Kind: instance property of StateNode

stateNode.type : StateType

Kind: instance property of StateNode

stateNode.aggregateHeuristicScore()

Aggregate heuristic score from children

Kind: instance method of StateNode

stateNode.expand(state, computeValidMoves, computeTerminalFlag) ⇒ number

Kind: instance method of StateNode
Returns: number - number of children

Param	Type
state
computeValidMoves	function
computeTerminalFlag

stateNode.addPlayouts(playouts, wins, losses)

Kind: instance method of StateNode

Param	Type
playouts	number
wins	number
losses	number

stateNode.isTerminal() ⇒ boolean

Whenever this is a terminal state or not (win/loss)

Kind: instance method of StateNode

stateNode.isExpanded() ⇒ boolean

Kind: instance method of StateNode

stateNode.pickBestMoves() ⇒ Array.<MoveEdge>

Kind: instance method of StateNode

stateNode.traverse(visitor)

Kind: instance method of StateNode

Param	Type
visitor	function

StateType : enum

Kind: global enum

stack : Array.<StateNode>

Kind: global constant

computeScore(move, totalPlayouts, totalUncertainPlayouts) ⇒ number

Kind: global function

Param	Type
move	MoveEdge
totalPlayouts	number
totalUncertainPlayouts	number

computeScore~stateNode : StateNode

Kind: inner constant of computeScore