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120 lines
2.0 KiB
120 lines
2.0 KiB
package conway
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import (
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"errors"
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"fmt"
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"math/rand"
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"time"
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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 GameOfLife struct {
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State *GameState
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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 (game *GameOfLife) Checksum() (string, error) {
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return game.State.Checksum()
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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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}
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}
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func (game *GameOfLife) EvaluateGeneration() error {
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height, width := game.State.Height(), game.State.Width()
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genScore := NewGenerationScoreCard(height, width)
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genScore.Calculate(game.State)
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cells, err := genScore.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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score := cell.Value
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curState, err := game.State.Get(cell.X, cell.Y)
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if err != nil {
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return err
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}
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if curState == 1 {
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if score < 2 {
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err = game.State.Deaden(cell.X, cell.Y)
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if err != nil {
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return err
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}
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continue
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}
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if score == 2 || score == 3 {
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continue
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}
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if score > 3 {
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err = game.State.Deaden(cell.X, cell.Y)
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if err != nil {
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return err
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}
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continue
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}
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} else if curState == 0 {
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if score == 3 {
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err = game.State.Enliven(cell.X, cell.Y)
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if err != nil {
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return err
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}
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continue
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} else {
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continue
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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 (game *GameOfLife) ImportState(state *GameState) error {
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return game.State.Import(state)
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}
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func (game *GameOfLife) ImportRandomState() error {
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height := game.State.Height()
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width := game.State.Width()
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if height < 0 || width < 0 {
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errStr := fmt.Sprintf("current game has invalid dimensions! %vx%v",
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height, width)
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return errors.New(errStr)
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}
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randState := NewGameState(height, width)
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cells, err := randState.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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cell.SetValue(rand.Intn(2))
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}
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return game.ImportState(randState)
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}
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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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