strategy

Documentation

Index

• Constants
• type ExhaustiveLeaveStrategy
  • func NewExhaustiveLeaveStrategy(lexiconName string, alph *alphabet.Alphabet, strategyDir, leavefile string) (*ExhaustiveLeaveStrategy, error)
  • func (els ExhaustiveLeaveStrategy) Equity(play *move.Move, board *board.GameBoard, bag *alphabet.Bag, ...) float64
  • func (els *ExhaustiveLeaveStrategy) Init(lexiconName string, alph *alphabet.Alphabet, strategyDir, leavefile string) error
  • func (els ExhaustiveLeaveStrategy) LeaveValue(leave alphabet.MachineWord) float64
• type NoLeaveStrategy
  • func NewNoLeaveStrategy() *NoLeaveStrategy
  • func (nls *NoLeaveStrategy) Equity(play *move.Move, board *board.GameBoard, bag *alphabet.Bag, ...) float64
  • func (nls *NoLeaveStrategy) LeaveValue(leave alphabet.MachineWord) float64
• type Strategizer

Constants

const (
	LeaveFilename = "leaves.idx.gz"
)

Types

type ExhaustiveLeaveStrategy

type ExhaustiveLeaveStrategy struct {
	// contains filtered or unexported fields
}

ExhaustiveLeaveStrategy should apply an equity calculation for all leaves exhaustively.

func NewExhaustiveLeaveStrategy

func NewExhaustiveLeaveStrategy(lexiconName string,
	alph *alphabet.Alphabet, strategyDir, leavefile string) (*ExhaustiveLeaveStrategy, error)

func (ExhaustiveLeaveStrategy) Equity

func (els ExhaustiveLeaveStrategy) Equity(play *move.Move, board *board.GameBoard,
	bag *alphabet.Bag, oppRack *alphabet.Rack) float64

func (*ExhaustiveLeaveStrategy) Init

func (els *ExhaustiveLeaveStrategy) Init(lexiconName string, alph *alphabet.Alphabet,
	strategyDir, leavefile string) error

func (ExhaustiveLeaveStrategy) LeaveValue

func (els ExhaustiveLeaveStrategy) LeaveValue(leave alphabet.MachineWord) float64

type NoLeaveStrategy

type NoLeaveStrategy struct{}

NoLeaveStrategy does not take leave into account at all.

func NewNoLeaveStrategy

func NewNoLeaveStrategy() *NoLeaveStrategy

func (*NoLeaveStrategy) Equity

func (nls *NoLeaveStrategy) Equity(play *move.Move, board *board.GameBoard,
	bag *alphabet.Bag, oppRack *alphabet.Rack) float64

func (*NoLeaveStrategy) LeaveValue

func (nls *NoLeaveStrategy) LeaveValue(leave alphabet.MachineWord) float64

type Strategizer

type Strategizer interface {
	// Equity is a catch-all term for most post-score adjustments that
	// need to be made. It includes first-turn placement heuristic,
	// leave calculations, any pre-endgame timing heuristics, and more.
	Equity(play *move.Move, board *board.GameBoard, bag *alphabet.Bag,
		oppRack *alphabet.Rack) float64

	LeaveValue(leave alphabet.MachineWord) float64
}

Strategizer is in charge of picking plays using strategy.