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Tetris Game -- based on a shell script (new algorithm)

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shell, tetris

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# 1  
Old 01-08-2012
RedHat Tetris Game -- The Art Of Shell Programming


GitHub - deepgrace/tetris: Tetris implementation in all kinds of Programming Languages

Usage: bash Tetris_Game [ <runlevel> [ <previewlevel> [ <speedlevel> [ <width> [height] ] ] ] ]
Range: [ 0 <= runlevel <= 31 ] [ previewlevel >= 1 ] [ speedlevel <= 30 ] [ width >= 17 ] [ height >= 10 ]

Code:
#!/bin/bash
# Tetris Game  // The Art Of Shell Programming

box0=(4 30)
box1=(4 30 4 32)
box2=(4 30 5 32)
box3=(4 28 4 30 4 32)
box4=(4 28 4 30 5 30)
box5=(4 28 5 30 6 32)
box6=(4 30 5 28 5 32)
box7=(4 28 5 30 6 32 7 34)
box8=(4 30 5 28 5 30 5 32)
box9=(4 30 5 28 5 32 6 30)
box10=(4 28 4 30 4 32 4 34)
box11=(4 28 5 28 5 30 5 32)
box12=(4 28 4 30 5 30 5 32)
box13=(4 28 4 30 5 28 5 30)
box14=(4 28 4 34 5 30 5 32)
box15=(4 26 4 28 4 30 4 32 4 34)
box16=(4 30 5 28 5 30 5 32 6 30)
box17=(4 28 4 32 5 30 6 28 6 32)
box18=(4 28 4 32 5 28 5 30 5 32)
box19=(4 28 4 30 5 30 6 30 6 32)
box20=(4 28 5 28 6 28 6 30 6 32)
box21=(4 28 4 30 5 30 5 32 6 32)
box22=(4 26 4 34 5 28 5 30 5 32)
box23=(4 26 4 34 5 28 5 32 6 30)
box24=(4 26 5 28 6 30 7 32 8 34)
box25=(4 28 4 32 5 26 5 30 5 34)
box26=(4 28 4 34 5 30 5 32 6 30 6 32 7 28 7 34)
box27=(4 30 5 28 5 32 6 26 6 30 6 34 7 28 7 32 8 30)
box28=(4 30 5 28 5 30 5 32 6 26 6 28 6 30 6 32 6 34 7 28 7 30 7 32 8 30)
box29=(4 30 5 30 6 28 6 30 6 32 7 26 7 30 7 34 8 30 9 30 10 30 11 30 12 30)
box30=(4 26 4 28 4 30 4 34 5 30 5 34 6 26 6 28 6 30 6 32 6 34 7 26 7 30 8 26 8 30 8 32 8 34)
box31=(4 30 5 28 6 26 6 34 7 28 7 32 7 36 8 22 8 30 8 38 9 24 9 28 9 32 10 26 10 34 11 32 12 30)

unit=[]
toph=3
modw=4
score=0
width=${5:-25}
height=${6:-30}
prelevel=${3:-6}
speedlevel=${4:-0}
BOX=(box{0..31}[@])
((width=width<17?25:width))
((height=height<10?30:height))
((lower=height+toph))
((wthm=2*width+modw))
((dist=modw+wthm+3))
((prelevel=prelevel<1?6:prelevel))
((speedlevel=speedlevel>30?0:speedlevel))
gmover="\e[?25h\e[36;26HGame Over!\e[0m\n"
color=(1\;{30..38}\;{40..48}m {38,48}\;5\;{0..255}\;1m)

sig.trans(){ kill -${1} ${pid}; }
get.check(){ (( ! box_map[index] )) && k=1; }
get.piece(){ box=(${!BOX[RANDOM%runlevel]}); }
run.initi(){ box_map[index]=0; box_color[index]=""; }
get.erase(){ printf "${old_shadow//${unit}/  }\e[0m\n"; }
get.resum(){ stty ${oldtty}; printf "\e[?25h\e[36;4H\n"; }
cmp.coord(){ (( ${1} <= ${2} )) && { ((${5})); (( ${3} < ${4} )) && ((${6})); }; }
run.prbox(){ old_shadow="${cur_shadow}"; printf "\e[${cur_color}${cur_shadow}\e[0m\n"; }
run.level(){ lhs=${#BOX[@]}; rhs=${1:-$((lhs-1))}; ((runlevel=(rhs < 0 || rhs > lhs-1)?lhs:rhs+1)); }
run.leave(){ (( ! ${#} )) && printf "${gmover}" || { (( ${#}%2 )) && sig.trans 22; get.resum; }; exit; }
get.stime(){ (( ${1} == ${2} )) && { ((++${3})); ((${1}=0)); }; Time[${4}]=$((${!1}/10))$((${!1}%10)); }

max.vertical.coordinate()
{
   local i j k p q col len
   for ((i=0; i!=${#box[@]}; i+=2))
   {   
         ((q=box[i]))
         ((p=box[i+1]))
         for ((j=0; j!=len; ++j)); do 
               (( col[j] == p )) && break
         done 
         ((k=2*j))
         if (( j == len )); then
               ((++len))
               ((col[k]=p))
               ((col[k+1]=q))
         else 
               (( col[j+1] < q )) && ((col[j+1]=q))
         fi
   }

   for ((i=0; i!=len; ++i))
   {
         ((k=2*i))
         ((max[k]=col[k+1]))
         ((max[k+1]=col[k]))
   }
}

get.update()
{ 
   pos="\e[${i};${j}H"
   if (( ! box_map[index] )); then
         printf "${pos}  "
   else
         printf "${pos}\e[${box_color[index]}${unit}\e[0m"
   fi
}

ini.loop()
{
   local i j k l index
   for ((i=modw,j=6,l=wthm; i<=lower; j+=2)); do
         k=0; ((index=(i-modw)*width+j/2-toph)); ${1}
         if (( k || j == l )); then
               (( ! k )) && ${2}
               j=modw; ((++i))
         fi
   done
}

map.piece()
{
   local j p q u
   ((++line))
   for ((j=i,u=6; j>toph+1; u+=2)); do
         ((p=(j-modw)*width+u/2-toph)); ((q=p-width))
         ((box_map[p]=box_map[q])); box_color[p]="${box_color[q]}"
         (( u == l )) && { u=modw; ((--j)); }
   done
   for ((u=6; u<=l; u+=2)); do
         box_map[u/2-toph]=0
         box_color[u/2-toph]=""
   done
}

get.preview()
{
   local i col cur_box
   cur_box=(${!1})
   for ((i=0; i!=${#cur_box[@]}; i+=2)); do
         ((col=cur_box[i+1]-(${3}-dist)))
         cur_preview_block+="\e[$((cur_box[i]-1));${col}H${unit}"
   done
   printf "${!2//${unit}/  }\e[${!4}${cur_preview_block}\e[0m\n"
}

pipe.piece()
{
   cur_preview_block=""
   (( ${5} )) && {
   get.piece
   eval ${1}="(${box[@]})"
   cur_color="${color[RANDOM%${#color[@]}]}"
   eval ${6}=\"${cur_color}\"
   get.preview box[@] ${3} ${4} cur_color
   } || {
   eval ${1}="(${!2})"
   eval ${6}=\"${!7}\"
   get.preview ${2} ${3} ${4} ${7}
   }
   eval ${3}=\"${cur_preview_block}\"
}

get.invoke()
{
   local i arya aryb
   for ((i=0; i!=prelevel-1; ++i)); do
         arya=(next_preview_piece${i} next_preview_piece$((i+1))[@] old_preview_block${i})
         aryb=($((12*(2-i))) ${1} next_preview_color${i} next_preview_color$((i+1))) 
         pipe.piece ${arya[@]} ${aryb[@]} 
   done
}

show.piece()
{
   local end cur_preview_block 
   ((end=prelevel-1))
   cur_color="${next_preview_color0}"
   preview_box=(${next_preview_piece0[@]})
   get.invoke ${#}
   cur_preview_block=""
   get.piece
   eval next_preview_piece${end}="(${box[@]})"
   eval next_preview_color${end}=\"${color[RANDOM%${#color[@]}]}\"
   get.preview box[@] old_preview_block${end} $((12*(2-end))) next_preview_color${end}
   eval old_preview_block${end}=\"${cur_preview_block}\"
   box=(${preview_box[@]})
}

draw.piece()
{
   (( ${#} )) && {
      get.piece
      cur_color="${color[RANDOM%${#color[@]}]}"
      coor.dinate box[@]
   } || {
   cur_color="${next_preview_color0}"
   coor.dinate next_preview_piece0[@]
   }
   run.prbox 
   if ! move.piece; then
        kill -22 ${PPID}
        sig.trans 22
        run.leave
   fi
}

top.point()
{
   local i u v x y
   ((u=cur_box[0]))
   ((v=cur_box[1]))
   for ((i=0; i!=${#cur_box[@]}; i+=2)); do
         cmp.coord x cur_box[i] y cur_box[i+1] x=cur_box[i] y=cur_box[i+1]   
         cmp.coord cur_box[i] u cur_box[i+1] v u=cur_box[i] v=cur_box[i+1]
   done
   if (( x-u == 3 && y-v == 6 )); then
         cur_box=($((x-3)) $((y-6)) $((x-3)) ${y} ${x} $((y-6)) ${x} ${y})
   fi
}

run.bomb()
{
   local j p q boolp boolq empty index radius
   radius=(x-1 y-2 x-1 y x-1 y+2 x y-2 x y x y+2 x+1 y-2 x+1 y x+1 y+2)
   for ((j=0; j!=${#radius[@]}; j+=2)); do
         ((p=radius[j]))
         ((q=radius[j+1]))
         ((index=(p-modw)*width+q/2-toph))
         ((boolp=(p > toph && p <= lower)))
         ((boolq=(q <= wthm && q > modw+1)))
         if (( boolp && boolq )); then
               (( ! box_map[index] && p+q != x+y && ${1} != 8 )) && continue
               empty+="\e[${p};${q}H\040\040"
               run.initi 
         fi
   done
   sleep 0.03; printf "${empty}\n"
} 

random.piece()
{
   local i j k l 
   ((++count))
   ((l=height-1))
   for ((i=0,j=6; i!=count; j+=2)); do
         ((k=(l-i)*width+j/2-toph))
         (( j == wthm )) && { j=modw; ((++i)); }
         (( RANDOM%2 )) && { box_map[k]=1; box_color[k]="${color[RANDOM%${#color[@]}]}"; }
   done
   (( count == l )) && count=0
}

del.row()
{
   local i x y len num index line cur_box
   cur_box=(${locus[@]})
   len=${#cur_box[@]}
   (( len == 16 )) && top.point
   for ((i=0; i!=${#cur_box[@]}; i+=2)); do
         ((x=cur_box[i]))
         ((y=cur_box[i+1]))
         (( len == 16 )) && run.bomb ${#cur_box[@]} || {
            ((index=(x-modw)*width+y/2-toph))
            ((box_map[index]=1))
            box_color[index]="${cur_color}"
         }
   done

   line=0
   ini.loop get.check map.piece
   (( ! line )) && return 1
   ((num=line*200-100))
   printf "\e[1;34m\e[$((toph+10));$((dist+56))H$((score+=num))\e[0m\n"
   if (( score%5000 < num && speedlevel < 30 )); then
         random.piece
         printf "\e[1;34m\e[$((toph+10));$((dist+26))H$((++speedlevel))\e[0m\n"
   fi
   ini.loop get.update
}        

get.ctime()
{
   local d h i j k m s line Time color
   trap "run.leave" 22 
   ((d=0, h=0, m=0, s=0))
   ((j=width-9))
   for ((k=0; k!=j; ++k)) { line+=-; }
   color="\e[38;5;$((RANDOM%145+6));1m"
   printf "\e[2;6H${color}${line}[Time \e[2;$((23+j))H${color}]${line}\e[0m\n"
   while :; do
         sleep 1 &
         get.stime s 60 m 0
         get.stime m 60 h 1
         get.stime h 24 d 2
         Time[3]=$((d/10))$((d%10))
         printf "\e[2;$((12+j))H${color}${Time[3]}:${Time[2]}:${Time[1]}:${Time[0]}\e[0m\n"
         wait; ((++s))
   done
}
 
per.sig()
{
   local i j pid sig sigswap
   pid=${1} 
   for i in {23..31}; do
         trap "sig=${i}" ${i}
   done
   trap "sig.trans 22; run.leave" 22
   while (( ++j )); do 
         (( j != 1 )) && sleep 0.02
         sigswap=${sig}
         sig=0
         case ${sigswap} in
         23)  per.transform   -1                  ;;
         24)  per.transform    1                  ;;
         25)  per.transform   -2                  ;;
         26)  per.transform    1/2                ;;
         27)  per.transform    0             -2   ;;
         28)  per.transform    0              2   ;;
         29)  per.transform    1              0   ;;
         30)  per.transform   -1              0   ;;
         31)  per.transform    $(drop.bottom) 0   ;;
         esac
         (( j == 31-speedlevel )) && { per.transform  1  0; j=0; }
   done
}

get.sig()
{
   local pid sig key arry escape oldtty
   printf "\e[?25l"
   pid=${1}; arry=(0 0 0)
   escape="$(printf "\e")"; oldtty="$(stty -g)"
   trap "run.leave 0" INT TERM; trap "run.leave 0 0" 22
   while read -s -n 1 key; do
         arry[0]=${arry[1]}; arry[1]=${arry[2]}
         arry[2]=${key}; sig=0
         if   [[ ! "${key}" ]]; then sig=31      
         elif [[ "${key}${arry[1]}" == "${escape}${escape}" ]]; then run.leave 0
         elif [[ "${arry[0]}" == "${escape}" && "${arry[1]}" == "[" ]]; then
                 case ${key} in
                 A)    sig=23         ;;
                 B)    sig=29         ;;
                 D)    sig=27         ;;
                 C)    sig=28         ;;
                 esac
         else
                 case ${key} in
                 W|w)  sig=23         ;;
                 T|t)  sig=24         ;;
                 M|m)  sig=25         ;;
                 N|n)  sig=26         ;;
                 S|s)  sig=29         ;;
                 A|a)  sig=27         ;;
                 D|d)  sig=28         ;; 
                 U|u)  sig=30         ;; 
                 P|p)  sig.trans  19  ;;
                 R|r)  sig.trans  18  ;;
                 Q|q)  run.leave   0  ;;
                 esac
         fi
                 (( sig != 0 )) && sig.trans ${sig}
   done
}

drop.bottom()
{  
   local i j col max row
   max.vertical.coordinate
   for ((i=0,j=0; i!=height; j+=2)); do
         ((row=(max[j]+i == lower)))
         ((col=box_map[(max[j]+i-toph)*width+max[j+1]/2-toph]))
         (( col || row )) && { echo ${i}; return 0; }
         (( j+2 == ${#max[@]} )) && { j=-2; ((++i)); }
   done
}

move.piece()
{
   local i j x y boolx booly index
   len=${#locus[@]}
   for ((i=0; i!=len; i+=2)); do    
         ((x=locus[i]+dx)) 
         ((y=locus[i+1]+dy))
         ((index=(x-modw)*width+y/2-toph))
         (( index < 0 || index > width*height-1 )) && return 1
         ((boolx=(x <= toph || x > lower)))
         ((booly=(y >= wthm+2 || y <= modw+1)))
         (( boolx || booly )) && return 1
         if (( box_map[index] )); then
               if (( len == 2 )); then
                     for ((j=lower; j>x; --j)); do
                           (( ! box_map[(j-modw)*width+y/2-toph] )) && return 0
                     done
               fi
               return 1
         fi
   done 
   return 0  
}

ghost.cross()
{
   local i j index
   ((i=locus[0]))
   ((j=locus[1]))
   ((index=(i-modw)*width+j/2-toph))
   (( box_map[index] )) && printf "\e[${i};${j}H\e[${box_color[index]}${unit}\e[0m\n"
}

coor.dinate()
{
   local i
   locus=(${!1})
   for ((i=0; i!=${#locus[@]}; i+=2)); do    
         cur_shadow+="\e[${locus[i]};${locus[i+1]}H${unit}"
   done
}

get.optimize()
{
   for j in dx dy; do
         (( j )) && { [[ ${j} == dx ]] && k=i || k=i+1; add.box; }
   done
}

add.box()
{
   for ((i=0; i!=${#new_box[@]}; i+=2)); do
         ((new_box[k]+=j))
   done
}

per.plus()
{
   local i j k
   (( len == 2 )) && ghost.cross
   new_box=(${box[@]})
   get.optimize
   coor.dinate new_box[@]
   box=(${new_box[@]})
}

get.move()
{
   if move.piece; then
        get.erase
        per.plus
        run.prbox
   else
        (( dx == 1 )) && {
        del.row  
        draw.piece 
        show.piece
        }
   fi
}

mid.point()
{
   local len mid
   mid=(${!1})
   ((len=${#mid[@]}/2-(${#mid[@]}%4)/2))
   ((${2}=mid[len]))
   ((${3}=mid[len+1]))
}

per.multiple()
{
   local i mid cur_box
   mid=(${!1})
   cur_box=(${!1})
   for ((i=0; i!=${#mid[@]}-2; i+=2)); do
         ((mid[i+3]=mid[i+1]+(cur_box[i+3]-cur_box[i+1])${2}2))
   done
   new_box=(${mid[@]})
}

run.unique()
{
   local i j k p q len vec
   for ((i=0; i!=${#new_coordinate[@]}; i+=2))
   {
         ((p=new_coordinate[i]))
         ((q=new_coordinate[i+1]))
         for ((j=0; j!=len; ++j)); do 
               ((k=2*j))
               (( vec[k] == p && vec[k+1] == q )) && break
         done 
         if (( j == len )); then
               ((++len))
               ((vec[${#vec[@]}]=p))
               ((vec[${#vec[@]}]=q))
         fi
   }
   new_coordinate=(${vec[@]})
}

coordinate.transformation()
{
   local i                                              # row=(x-m)*zoomx*cos(a)-(y-n)*zoomy*sin(a)+m
   for ((i=0; i!=${#new_box[@]}; i+=2)); do             # col=(x-m)*zoomx*sin(a)+(y-n)*zoomy*cos(a)+n
         ((new_coordinate[i]=m+new_box[i+1]-n))         # a=-pi/2 zoomx=+1 zoomy=+1 dx=0 dy=0
         ((new_coordinate[i+1]=(new_box[i]-m)*${dx}+n)) # a=-pi/2 zoomx=-1 zoomy=+1 dx=0 dy=0 
   done                                                 # a=+pi/2 zoomx=+1 zoomy=-1 dx=0 dy=0
   [[ ${dx} == 1/2 ]] && run.unique 
}

mid.plus()
{
   local i j k dx dy
   ((dx=mp-p))
   ((dy=nq-q))
   get.optimize
}

per.abstract()
{
   per.multiple ${1} "${2}"
   mid.point new_box[@] ${3} ${4} 
}

per.rotate()
{     
   local m n p q mp nq new_coordinate
   mid.point box[@] mp nq 
   per.abstract box[@] "/" m n
   coordinate.transformation; dx=0
   per.abstract new_coordinate[@] "*" p q
   mid.plus; locus=(${new_box[@]})
   if move.piece; then
       get.erase; coor.dinate new_box[@]
       run.prbox; box=(${locus[@]})
   else
       locus=(${box[@]})
   fi
}

per.transform()
{ 
   local dx dy len new_box cur_shadow
   dx=${1}
   dy=${2}
   case ${#} in
   2) get.move   ;;
   1) per.rotate ;;
   esac
}

show.matrix()
{
   one=" "
   end="\e[0m"
   block="[][]"
   two="${one}${one}"
   cube="${one}${two}"
   five="${two}${cube}"
   ten="${five}${five}"         
   equ="\e[38;5;191;1m"
   colbon="\e[38;5;47;1m"
   mcol="\e[38;5;30;1m"
   str5="${ten}${ten}"
   str4="${mcol}[]${end}"
   str0="${colbon}[]${end}"
   str1="${colbon}${block}${end}"
   str6="${mcol}[]${block}${end}"
   str2="${colbon}[]${block}${end}"
   str3="${colbon}${block}${block}${end}"
   str="${cube}${str0}${two}${str3}${two}${str3}"
   str7="${str1}${one}${str1}${str}${str4}${two}${two}"
   str8="${str0}${one}${equ}row${one}${str0}${cube}${str0}${two}${str0}${one}${equ}(x-m)*zoomx${two}"
   str9="${one}${equ}=${one}${str0}${two}${str0}${ten}${cube}${one}${str0}${cube}${equ}${cube}"
   str10="${ten}${five}${two}${str0}${two}${str0}${one}${equ}+${one}${str0}${five}${str0}"
   str11="${cube}${one}${str0}${two}${equ}cos(a)${one}${equ}sin(a)${two}${str0}${two}${str0}${cube}${str0}${two}${equ}m${two}${str0}"
   str12="${one}${equ}col${one}${str0}${cube}${str0}${two}${str0}${one}${equ}(y-n)*zoomy${two}${str0}${five}${one}"
   str13="${one}${equ}-sin(a)${one}${equ}cos(a)${two}${str0}${two}${str0}${cube}${str0}${two}${equ}n${two}${str0}"
   str14="${str1}${one}${str1}${str}${five}${one}"
   str15="${str1}${two}${str0}${cube}${str1}${one}${str1}"
   printf "\e[$((toph+23));${dist}H${colbon}          ${two}${str2}${one}${str5}${str5}${str2}${str4}\n"
   printf "\e[$((toph+30));${dist}H${ten}${two}${str0}${two}${two}${five}${str5}${str5}${str0}\n"
   printf "\e[$((toph+25));${dist}H${str7}${str1}${ten}${cube}${str1}${two}${str0}${cube}${str1}${one}${str1}\n"
   printf "\e[$((toph+26));${dist}H${str8}${str0}${str4}${str11}\e[$((toph+28));${dist}H${str0}${str12}${str0}${str13}\n"
   printf "\e[$((toph+24));${dist}H${two}${ten}${str0}${ten}${cube}${two}${cube}${str6}${str5}${five}${str0}${str4}\n"
   printf "\e[$((toph+22));${dist}H${cube}${str5}${str5}${str5}${str6}\e[$((toph+29));${dist}H${str14}${str1}${ten}${cube}${str15}\n"
   printf "\e[$((toph+27));${dist}H${str0}${five}${str0}${str9}${str0}${str10}\e[$((toph+31));${dist}H${ten}${two}${str2}${str5}${str5} ${str2}\n"
}

show.board()
{
   clear
   boucol="\e[38;5"
   ((colour=RANDOM%145+6))
   for ((i=6; i<=wthm; i+=2)); do
         printf "${boucol};$((colour+i));1m\e[${toph};${i}H==${boucol};$((colour+i+25));1m\e[$((lower+1));${i}H==\e[0m\n"
   done
   for ((i=toph; i<=lower+1; ++i)); do
         printf "${boucol};$((colour+i));1m\e[${i};${modw}H||${boucol};$((colour+i+30));1m\e[${i};$((wthm+2))H||\e[0m\n"
   done
}

show.notify()
{
   printf "\e[1;31m\e[$((toph+9));${dist}HRunLevel\e[$((toph+9));$((dist+11))HPreviewLevel\e[0m\n"
   printf "\e[1;31m\e[$((toph+9));$((dist+26))HSpeedLevel\e[$((toph+9));$((dist+56))HScore\e[0m\n"
   printf "\e[1;31m\e[$((toph+9));$((dist+39))HWidth\e[$((toph+9));$((dist+47))HHeight\e[0m\n"
   printf "\e[1;34m\e[$((toph+10));${dist}H$((runlevel-1))\e[$((toph+10));$((dist+11))H${prelevel}\e[0m\n"
   printf "\e[1;34m\e[$((toph+10));$((dist+26))H${speedlevel}\e[$((toph+10));$((dist+56))H${score}\e[0m\n"
   printf "\e[1;34m\e[$((toph+10));$((dist+39))H${width}\e[$((toph+10));$((dist+47))H${height}\e[0m\n"
   printf "\e[38;5;34;1m\e[$((toph+12));${dist}HM|m      ===   double         N|n          ===   half\n"
   printf "\e[$((toph+13));${dist}HQ|q|ESC  ===   exit           U|u          ===   one step up\n"
   printf "\e[$((toph+14));${dist}HP|p      ===   pause          S|s|down     ===   one step down\n"
   printf "\e[$((toph+15));${dist}HR|r      ===   resume         A|a|left     ===   one step left\n"
   printf "\e[$((toph+16));${dist}HW|w|up   ===   rotate         D|d|right    ===   one step right\n"
   printf "\e[$((toph+17));${dist}HT|t      ===   transpose      Space|enter  ===   drop all down\n"
   printf "\e[38;5;106;1m\e[$((toph+19));${dist}HVersion 7.1.7\n"
   printf "\e[$((toph+20));${dist}Hhttps://github.com/deepgrace\n"
   printf "\e[$((toph+21));${dist}HGrace <complex.invoke@gmail.com>\n"
}

   case ${1} in
   -h|--help)    echo "Usage: bash ${0} [ <runlevel> [ <previewlevel> [ <speedlevel> [ <width> [height] ] ] ] ]"
                 echo "Range: [ 0 <= runlevel <= $((${#BOX[@]}-1)) ] [ previewlevel >= 1 ] [ speedlevel <= 30 ] [ width >= 17 ] [ height >= 10 ]" ;;
   -v|--version) echo "Version 7.1.7" ;;
   ${PPID})      run.level ${2}; ini.loop run.initi 
                 show.board; show.notify
                 show.piece 0; draw.piece 0
                 show.matrix; get.ctime &
                 per.sig ${!} ;;
   *)            bash ${0} ${$} ${@} &
                 get.sig ${!} ;;
   esac


Last edited by complex.invoke; 08-17-2017 at 07:24 PM.. Reason: updates
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# 2  
Old 01-08-2012
Hi huaihaizi3,

Pretty. I've been playing some minutes and it's difficult, there are some strange pieces that are very tricky to fit

I will take a look to the source code to learn some bash scripting. Good job.

Regards,
Birei
The Following 2 Users Say Thank You to birei For This Useful Post:
beyoungwoo (08-01-2016), jethro10 (10-11-2012)
# 3  
Old 01-08-2012
Well it shows what one can do with shell scripting... Nice job!
# 4  
Old 01-08-2012
Amazing!...
Yeah like vbe said, there is only one outcome from this... "Power of Shell Scripting!"...

I'm sure I will learn even more from this script!...
Well done mate!...

--ahamed
The Following User Says Thank You to ahamed101 For This Useful Post:
beyoungwoo (08-01-2016)
# 5  
Old 01-08-2012
Does not run for me in the Mac Borne shell.... See screenshot attached..... No boxes or shapes, just code in the shell....
Tetris Game -- based on a shell script (new algorithm)-screen-shot-2012-01-09-5-16-29-am-png  

The Following User Says Thank You to Neo For This Useful Post:
beyoungwoo (08-01-2016)
# 6  
Old 01-08-2012
Yeah, doesn't work for me either... if you're going to change anything more than colors with escape sequences, you might need to describe what terminal you need.
The Following User Says Thank You to Corona688 For This Useful Post:
beyoungwoo (08-01-2016)
# 7  
Old 01-08-2012
Quote:
Originally Posted by Neo
Does not run for me in the Mac Borne shell.... See screenshot attached..... No boxes or shapes, just code in the shell....
Same here (Mac / Bash). He should probably use printf instead of echo for portability.

If you edit the file in VI and:

Code:
:%s/echo -e/printf/g

you get a feel for what it would look like. Not perfect, but a start.

Works great as-is in Linux, though. Fine effort.
The Following 2 Users Say Thank You to Scott For This Useful Post:
beyoungwoo (08-01-2016), lcg (04-28-2013)
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