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92 lines
1.6 KiB
92 lines
1.6 KiB
package conway
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import (
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"errors"
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)
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type GameOfLife struct {
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Height int
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Width 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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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) GetRow(y int) (*GameGridRow, error) {
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if len(state.Rows) < y+1 {
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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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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 len(row.Cols) < x+1 {
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return errors.New("x coordinate is out of bounds!")
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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 NewGameOfLife(height, width int) *GameOfLife {
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return &GameOfLife{
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Height: height,
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Width: width,
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}
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}
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func (state *GameState) ImportState(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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