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  1. #!/bin/bash
  2. map=( {01..15} )
  3. gx=0 gy=0
  4. total_step=0
  5. input(){
  6.   echo -ne "\033[?25l"
  7.   local aKey=(0 0 0 0)
  8.   local cESC=`echo -ne "\033"`
  9.   local index
  10.   while ! check
  11.   do
  12.     read -s -n 1 key
  13.     aKey=( "${aKey[@]:1}" "$key")
  14.     if [[ $key${aKey[2]} == $cESC$cESC ]] ; then break
  15.     elif [ "${aKey[@]:1:2}$key" = "${cESC} [A" -a $gy != 3 ] ; then # up
  16.       (( ++gy ))         
  17.       swap $(( gx + gy*4 )) $(( gx + gy*4 - 4 ))
  18.     elif [ "${aKey[@]:1:2}$key" = "${cESC} [B" -a $gy != 0 ] ; then # down
  19.       (( --gy ))
  20.       swap $(( gx + gy*4 )) $(( gx + gy*4 + 4 ))
  21.     elif [ "${aKey[@]:1:2}$key" = "${cESC} [C" -a $gx != 0 ] ; then # right
  22.       (( --gx ))
  23.       swap $(( gx + gy*4 )) $(( gx + gy*4 + 1 ))
  24.     elif [ "${aKey[@]:1:2}$key" = "${cESC} [D" -a $gx != 3 ] ; then # left
  25.       (( ++gx ))
  26.       swap $(( gx + gy*4 )) $(( gx + gy*4 - 1 ))
  27.     else continue
  28.     fi
  29.     draw
  30.     (( total_step++ ))
  31.   done
  32.   echo -ne "\033[?25h"
  33. }
  34. draw(){
  35.    tput cup 0 0
  36.    printf "%2s %2s %2s %2s\n%2s %2s %2s %2s\n%2s %2s %2s %2s\n%2s %2s %2s %2s\n" "${map[@]}"
  37. }
  38. check(){
  39.   local i j
  40.   for (( i=1,j=2; j<16; i++,j++ ))
  41.   do
  42.      (( 1${map[$i]} > 1${map[$j]} )) && return 1
  43.   done
  44.   return 0
  45. }
  46. swap(){
  47.    local tmp=${map[$1]}
  48.    map[$1]=${map[$2]}
  49.    map[$2]=$tmp
  50. }
  51. random(){
  52.    map=( ' ' $(printf "%s\n" "${map[@]}" | sort -R))
  53. }
  54. clear
  55. random
  56. draw
  57. input
  58. echo finish. Total step is $total_step
  59.  
  60.  
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https://ideone.com/Awgh9
language:
Bash (bash 5.0.3)
created:
11 years ago
visibility:
public

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