func scrambleGenerator() <-chan []gocube.Move {
rand.Seed(time.Now().UnixNano())
ch := make(chan []gocube.Move)
go func() {
p1Moves := gocube.NewPhase1Moves()
p1Heuristic := gocube.NewPhase1Heuristic(p1Moves)
p2Moves := gocube.NewPhase2Moves()
p2Heuristic := gocube.NewPhase2Heuristic(p2Moves, false)
tables := gocube.SolverTables{p1Heuristic, p1Moves, p2Heuristic, p2Moves}
for {
state := gocube.RandomCubieCube()
solver := gocube.NewSolverTables(state, 30, tables)
timeout := time.After(time.Second * 30)
solution := <-solver.Solutions()
SolutionLoop:
for {
select {
case sol, ok := <-solver.Solutions():
if !ok {
break SolutionLoop
}
solution = sol
case <-timeout:
break SolutionLoop
}
}
solver.Stop()
ch <- solution
}
}()
return ch
}
func main() {
if len(os.Args) < 2 {
fmt.Fprintln(os.Stderr, "Usage: scrambler <count> [maxlen=30]")
os.Exit(1)
}
count, err := strconv.Atoi(os.Args[1])
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
maxLen := 30
if len(os.Args) > 2 {
maxLen, err = strconv.Atoi(os.Args[2])
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
p1Moves := gocube.NewPhase1Moves()
p1Heuristic := gocube.NewPhase1Heuristic(p1Moves)
p2Moves := gocube.NewPhase2Moves()
p2Heuristic := gocube.NewPhase2Heuristic(p2Moves, false)
tables := gocube.SolverTables{p1Heuristic, p1Moves, p2Heuristic, p2Moves}
for i := 0; i < count; i++ {
state := gocube.RandomCubieCube()
solver := gocube.NewSolverTables(state, maxLen, tables)
for solution := range solver.Solutions() {
str := fmt.Sprint(solution)
fmt.Println(str[1 : len(str)-1])
solver.Stop()
break
}
}
}
func main() {
// Get input.
sc, err := gocube.InputStickerCube()
if err != nil {
fmt.Println("Failed to read stickers:", err)
os.Exit(1)
}
cc, err := sc.CubieCube()
if err != nil {
fmt.Println("Invalid stickers:", err)
os.Exit(1)
}
fmt.Println("Generating data...")
moves := gocube.NewPhase1Moves()
heuristic := gocube.NewPhase1Heuristic(moves)
fmt.Println("Searching...")
solver := gocube.NewPhase1Solver(cc.Phase1Cube(), heuristic, moves)
for solution := range solver.Solutions() {
fmt.Println(solution.Moves, "-", len(solution.Moves), "moves")
}
}