Splitting things up a bit
This commit is contained in:
parent
8ba87ccc81
commit
c0184dd9df
@ -1,222 +1,28 @@
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package conway
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import (
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"crypto/sha1"
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"errors"
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"fmt"
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"math"
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"math/rand"
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"strings"
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"time"
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)
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const (
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DEAD_CELL = "■"
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LIVE_CELL = " "
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)
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var (
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neighbors = []neighbor{
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neighbor{-1, -1},
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neighbor{-1, 0},
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neighbor{-1, 1},
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neighbor{0, -1},
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neighbor{0, 1},
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neighbor{1, -1},
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neighbor{1, 0},
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neighbor{1, 1},
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}
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)
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func init() {
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rand.Seed(time.Now().UTC().UnixNano())
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}
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type neighbor struct {
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X int
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Y int
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}
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type GameOfLife struct {
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State *GameState
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}
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type GameStateCell struct {
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Value int
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X int
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Y int
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cols []int
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}
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type gameGridRow struct {
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Cols []int
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}
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type GameState struct {
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Rows []*gameGridRow
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}
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type GenerationScoreCard struct {
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GameState
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}
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func NewGameState(height, width int) *GameState {
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state := &GameState{}
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for i := 0; i < height; i++ {
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row := &gameGridRow{}
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for j := 0; j < width; j++ {
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row.Cols = append(row.Cols, 0)
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}
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state.Rows = append(state.Rows, row)
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}
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return state
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}
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func (state *GameState) Height() int {
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return len(state.Rows)
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}
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func (state *GameState) Width() int {
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if len(state.Rows) < 1 {
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return -1
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}
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return len(state.Rows[0].Cols)
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}
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func (state *GameState) GetRow(y int) (*gameGridRow, error) {
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if y+1 > len(state.Rows) {
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return nil, errors.New("y coordinate is out of bounds!")
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}
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return state.Rows[y], nil
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}
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func (state *GameState) Set(x, y, value int) error {
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if x < 0 || y < 0 {
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errMsg := fmt.Sprintf("coordinates (%v, %v) are out of bounds!", x, y)
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return errors.New(errMsg)
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}
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row, err := state.GetRow(y)
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if err != nil {
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return err
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}
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if x+1 > len(row.Cols) {
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errMsg := fmt.Sprintf("x coordinate %v is out of bounds!", x)
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return errors.New(errMsg)
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}
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row.Cols[x] = value
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return nil
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}
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func (state *GameState) Get(x, y int) (int, error) {
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row, err := state.GetRow(y)
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if err != nil {
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return -1, err
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}
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if len(row.Cols) < x+1 {
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return -1, errors.New("x coordinate is out of bounds!")
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}
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return row.Cols[x], nil
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}
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func (state *GameState) Enliven(x, y int) error {
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return state.Set(x, y, 1)
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}
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func (state *GameState) Deaden(x, y int) error {
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return state.Set(x, y, 0)
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}
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func (state *GameState) Import(other *GameState) (err error) {
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for y, row := range other.Rows {
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for x, cell := range row.Cols {
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if err = state.Set(x, y, cell); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (state *GameState) Cells() (<-chan *GameStateCell, error) {
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height := state.Height()
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width := state.Width()
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if height < 0 || width < 0 {
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return nil, errors.New("state has invalid dimensions!")
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}
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cells := make(chan *GameStateCell)
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go func(state *GameState, c chan *GameStateCell) {
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defer close(c)
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height := state.Height()
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width := state.Width()
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for y := 0; y < height; y++ {
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row, err := state.GetRow(y)
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if err != nil {
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panic(err)
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}
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for x := 0; x < width; x++ {
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value, err := state.Get(x, y)
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if err != nil {
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panic(err)
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}
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c <- &GameStateCell{
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Value: value,
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X: x,
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Y: y,
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cols: row.Cols,
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}
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}
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}
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}(state, cells)
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return (<-chan *GameStateCell)(cells), nil
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}
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func (game *GameOfLife) Mutate() error {
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return game.State.Mutate()
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}
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func (state *GameState) Mutate() error {
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randX := rand.Intn(state.Width())
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randY := rand.Intn(state.Height())
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curVal, err := state.Get(randX, randY)
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if err != nil {
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return err
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}
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err = state.Set(randX, randY, int(math.Abs(float64(curVal-1))))
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return nil
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}
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func (game *GameOfLife) Checksum() (string, error) {
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return game.State.Checksum()
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}
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func (state *GameState) Checksum() (string, error) {
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ck := sha1.New()
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cells, err := state.Cells()
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if err != nil {
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return "", err
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}
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for cell := range cells {
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fmt.Fprintf(ck, "%v", cell.Value)
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}
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return fmt.Sprintf("%x", ck.Sum(nil)), nil
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}
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func NewGameOfLife(height, width int) *GameOfLife {
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return &GameOfLife{
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State: NewGameState(height, width),
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@ -311,84 +117,3 @@ func (game *GameOfLife) ImportRandomState() error {
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func (game *GameOfLife) String() string {
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return fmt.Sprintf("%s\n", game.State)
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}
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func (cell *GameStateCell) SetValue(value int) {
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cell.cols[cell.X] = value
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}
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func (state *GameState) String() string {
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var rows []string
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height := state.Height()
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width := state.Width()
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for y := 0; y < height; y++ {
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var cells []string
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for x := 0; x < width; x++ {
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stringVal := DEAD_CELL
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value, err := state.Get(x, y)
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if err != nil {
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return ""
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}
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if value == 1 {
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stringVal = LIVE_CELL
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}
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cells = append(cells, stringVal)
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}
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rows = append(rows, strings.Join(cells, ""))
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}
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return strings.Join(rows, "\n")
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}
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func NewGenerationScoreCard(height, width int) *GenerationScoreCard {
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genScore := &GenerationScoreCard{}
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for i := 0; i < height; i++ {
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row := &gameGridRow{}
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for j := 0; j < width; j++ {
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row.Cols = append(row.Cols, 0)
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}
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genScore.Rows = append(genScore.Rows, row)
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}
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return genScore
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}
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func (genScore *GenerationScoreCard) Calculate(state *GameState) error {
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stateWidth := state.Width()
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stateCells, err := state.Cells()
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if err != nil {
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return err
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}
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for stateCell := range stateCells {
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if stateCell.Value == 0 {
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continue
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}
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for _, neighbor := range neighbors {
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xTarget := stateCell.X + neighbor.X
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yTarget := stateCell.Y + neighbor.Y
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if xTarget < 0 || yTarget < 0 {
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continue
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}
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if xTarget+1 > stateWidth || yTarget+1 > stateWidth {
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continue
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}
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curScore, err := genScore.Get(xTarget, yTarget)
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if err != nil {
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continue
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}
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err = genScore.Set(xTarget, yTarget, curScore+1)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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198
conway/game_state.go
Normal file
198
conway/game_state.go
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@ -0,0 +1,198 @@
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package conway
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import (
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"crypto/sha1"
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"errors"
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"fmt"
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"math"
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"math/rand"
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"strings"
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)
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const (
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DEAD_CELL = "■"
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LIVE_CELL = " "
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)
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type gameGridRow struct {
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Cols []int
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}
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type GameState struct {
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Rows []*gameGridRow
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}
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func NewGameState(height, width int) *GameState {
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state := &GameState{}
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for i := 0; i < height; i++ {
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row := &gameGridRow{}
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for j := 0; j < width; j++ {
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row.Cols = append(row.Cols, 0)
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}
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state.Rows = append(state.Rows, row)
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}
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return state
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}
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func (state *GameState) Height() int {
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return len(state.Rows)
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}
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func (state *GameState) Width() int {
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if len(state.Rows) < 1 {
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return -1
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}
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return len(state.Rows[0].Cols)
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}
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func (state *GameState) GetRow(y int) (*gameGridRow, error) {
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if y+1 > len(state.Rows) {
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return nil, errors.New("y coordinate is out of bounds!")
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}
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return state.Rows[y], nil
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}
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func (state *GameState) Set(x, y, value int) error {
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if x < 0 || y < 0 {
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errMsg := fmt.Sprintf("coordinates (%v, %v) are out of bounds!", x, y)
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return errors.New(errMsg)
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}
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row, err := state.GetRow(y)
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if err != nil {
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return err
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}
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if x+1 > len(row.Cols) {
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errMsg := fmt.Sprintf("x coordinate %v is out of bounds!", x)
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return errors.New(errMsg)
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}
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row.Cols[x] = value
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return nil
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}
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func (state *GameState) Get(x, y int) (int, error) {
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row, err := state.GetRow(y)
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if err != nil {
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return -1, err
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}
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if len(row.Cols) < x+1 {
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return -1, errors.New("x coordinate is out of bounds!")
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}
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return row.Cols[x], nil
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}
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func (state *GameState) Enliven(x, y int) error {
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return state.Set(x, y, 1)
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}
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func (state *GameState) Deaden(x, y int) error {
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return state.Set(x, y, 0)
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}
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func (state *GameState) Import(other *GameState) (err error) {
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for y, row := range other.Rows {
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for x, cell := range row.Cols {
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if err = state.Set(x, y, cell); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (state *GameState) Cells() (<-chan *GameStateCell, error) {
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height := state.Height()
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width := state.Width()
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if height < 0 || width < 0 {
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return nil, errors.New("state has invalid dimensions!")
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}
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cells := make(chan *GameStateCell)
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go func(state *GameState, c chan *GameStateCell) {
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defer close(c)
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height := state.Height()
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width := state.Width()
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for y := 0; y < height; y++ {
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row, err := state.GetRow(y)
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if err != nil {
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panic(err)
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}
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for x := 0; x < width; x++ {
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value, err := state.Get(x, y)
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if err != nil {
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panic(err)
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}
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c <- &GameStateCell{
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Value: value,
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X: x,
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Y: y,
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cols: row.Cols,
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}
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}
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}
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}(state, cells)
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return (<-chan *GameStateCell)(cells), nil
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}
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func (state *GameState) Mutate() error {
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randX := rand.Intn(state.Width())
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randY := rand.Intn(state.Height())
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curVal, err := state.Get(randX, randY)
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if err != nil {
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return err
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}
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err = state.Set(randX, randY, int(math.Abs(float64(curVal-1))))
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return nil
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}
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func (state *GameState) Checksum() (string, error) {
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ck := sha1.New()
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cells, err := state.Cells()
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if err != nil {
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return "", err
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}
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for cell := range cells {
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fmt.Fprintf(ck, "%v", cell.Value)
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}
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return fmt.Sprintf("%x", ck.Sum(nil)), nil
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}
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func (state *GameState) String() string {
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var rows []string
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height := state.Height()
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width := state.Width()
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for y := 0; y < height; y++ {
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var cells []string
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for x := 0; x < width; x++ {
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stringVal := DEAD_CELL
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value, err := state.Get(x, y)
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if err != nil {
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return ""
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}
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if value == 1 {
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stringVal = LIVE_CELL
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}
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cells = append(cells, stringVal)
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}
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rows = append(rows, strings.Join(cells, ""))
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}
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return strings.Join(rows, "\n")
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}
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12
conway/game_state_cell.go
Normal file
12
conway/game_state_cell.go
Normal file
@ -0,0 +1,12 @@
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package conway
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type GameStateCell struct {
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Value int
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X int
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Y int
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cols []int
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}
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func (cell *GameStateCell) SetValue(value int) {
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cell.cols[cell.X] = value
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}
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74
conway/generation_score_card.go
Normal file
74
conway/generation_score_card.go
Normal file
@ -0,0 +1,74 @@
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package conway
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var (
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neighbors = []neighbor{
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neighbor{-1, -1},
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neighbor{-1, 0},
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neighbor{-1, 1},
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neighbor{0, -1},
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neighbor{0, 1},
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neighbor{1, -1},
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neighbor{1, 0},
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neighbor{1, 1},
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}
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)
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type GenerationScoreCard struct {
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GameState
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}
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type neighbor struct {
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X int
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Y int
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}
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func NewGenerationScoreCard(height, width int) *GenerationScoreCard {
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genScore := &GenerationScoreCard{}
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for i := 0; i < height; i++ {
|
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row := &gameGridRow{}
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for j := 0; j < width; j++ {
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row.Cols = append(row.Cols, 0)
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}
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genScore.Rows = append(genScore.Rows, row)
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}
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return genScore
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}
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func (genScore *GenerationScoreCard) Calculate(state *GameState) error {
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stateWidth := state.Width()
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stateCells, err := state.Cells()
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if err != nil {
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return err
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}
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for stateCell := range stateCells {
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if stateCell.Value == 0 {
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continue
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}
|
||||
|
||||
for _, neighbor := range neighbors {
|
||||
xTarget := stateCell.X + neighbor.X
|
||||
yTarget := stateCell.Y + neighbor.Y
|
||||
|
||||
if xTarget < 0 || yTarget < 0 {
|
||||
continue
|
||||
}
|
||||
|
||||
if xTarget+1 > stateWidth || yTarget+1 > stateWidth {
|
||||
continue
|
||||
}
|
||||
|
||||
curScore, err := genScore.Get(xTarget, yTarget)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
|
||||
err = genScore.Set(xTarget, yTarget, curScore+1)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user