go2048

Documentation

Index

• Constants
• func FilterZeroIndices(bs BlockArray) (r []int)
• func IsPossibleToShiftAndMerge(ba BlockArray, sd ShiftDirection) (isPossible bool)
• func PickOne(indices []int) int
• type Block
  • func MakeDefaultBlock(probFour float64) Block
  • func MergeBlocks(bs []Block) (_ []Block, isChanged bool)
  • func ShiftAndMergeBlocks(bs []Block) ([]Block, bool)
  • func ShiftBlocks(bs []Block) (_ []Block, isChanged bool)
• type BlockArray
  • func SampleDown(ba BlockArray) (nba BlockArray)
  • func SampleLeft(ba BlockArray) (nba BlockArray)
  • func SampleRight(ba BlockArray) BlockArray
  • func SampleUp(ba BlockArray) (nba BlockArray)
  • func ShiftAndMergeBlockArray(ba BlockArray, sd ShiftDirection) (nba BlockArray)
  • func (ba *BlockArray) IterBlocks() func() []Block
• type GameState
  • func NewGameState() GameState
  • func (gt *GameState) InitRandomBlock()
  • func (gt *GameState) Process(sd ShiftDirection) StatusCode
  • func (gt *GameState) String() string
• type SampleFunc
  • func ShiftDirectionToSampleFunc(sd ShiftDirection) SampleFunc
• type ShiftDirection
  • func GetPossibleDirections(ba BlockArray) (directions []ShiftDirection)
• type StatusCode

Constants

const BLOCKS_SIZE uint32 = 4

Functions

func FilterZeroIndices

func FilterZeroIndices(bs BlockArray) (r []int)

func IsPossibleToShiftAndMerge

func IsPossibleToShiftAndMerge(ba BlockArray, sd ShiftDirection) (isPossible bool)

func PickOne

func PickOne(indices []int) int

Types

type Block

type Block uint32

func MakeDefaultBlock

func MakeDefaultBlock(probFour float64) Block

func MergeBlocks

func MergeBlocks(bs []Block) (_ []Block, isChanged bool)

func ShiftAndMergeBlocks

func ShiftAndMergeBlocks(bs []Block) ([]Block, bool)

func ShiftBlocks

func ShiftBlocks(bs []Block) (_ []Block, isChanged bool)

New block slice, isChanged

type BlockArray

type BlockArray [BLOCKS_SIZE * BLOCKS_SIZE]Block

func SampleDown

func SampleDown(ba BlockArray) (nba BlockArray)

func SampleLeft

func SampleLeft(ba BlockArray) (nba BlockArray)

func SampleRight

func SampleRight(ba BlockArray) BlockArray

func SampleUp

func SampleUp(ba BlockArray) (nba BlockArray)

func ShiftAndMergeBlockArray

func ShiftAndMergeBlockArray(ba BlockArray, sd ShiftDirection) (nba BlockArray)

func (*BlockArray) IterBlocks

func (ba *BlockArray) IterBlocks() func() []Block

type GameState

type GameState struct {
	BlockA    BlockArray
	Ticker    uint32
	StartTime time.Time
}

func NewGameState

func NewGameState() GameState

Create new Game State

func (*GameState) InitRandomBlock

func (gt *GameState) InitRandomBlock()

func (*GameState) Process

func (gt *GameState) Process(sd ShiftDirection) StatusCode

func (*GameState) String

func (gt *GameState) String() string

type SampleFunc

type SampleFunc func(BlockArray) BlockArray

func ShiftDirectionToSampleFunc

func ShiftDirectionToSampleFunc(sd ShiftDirection) SampleFunc

type ShiftDirection

type ShiftDirection int

const (
	UP ShiftDirection = iota
	DOWN
	LEFT
	RIGHT
)

func GetPossibleDirections

func GetPossibleDirections(ba BlockArray) (directions []ShiftDirection)

type StatusCode

type StatusCode int

const (
	TERMINATED StatusCode = iota
	PROCESSED
	NONPROCESSED
)