test
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#!/bin/bash## Tetris Game Version 5.0 # Developed by YongYe <expertshell@gmail.com># 11/01/2011 BeiJing China [Updated 01/22/2012]# Download Link1: http://bash.webofcrafts.net/Tetris_Game.sh# Download Link2: http://bbs.chinaunix.net/thread-3614425-1-1.htmlbox0=(4 30) # shape definition box1=(4 30 5 30)box2=(4 28 4 30 4 32)box3=(4 28 4 30 5 30)box4=(4 30 4 32 5 28 5 30)box5=(4 30 5 28 5 30 5 32)box6=(4 32 5 28 5 30 5 32)box7=(4 30 5 30 6 30 7 30)box8=(4 28 5 28 5 30 5 32)box9=(4 28 4 30 5 30 5 32)box10=(4 28 4 30 5 28 5 30)box11=(4 26 4 28 4 30 4 32 4 34)box12=(4 30 4 32 5 30 6 28 6 30)box13=(4 30 5 28 5 30 5 32 6 30)box14=(4 28 4 32 5 30 6 28 6 32)box15=(4 28 4 32 5 28 5 30 5 32)box16=(4 28 4 30 5 30 6 30 6 32)box17=(4 28 5 28 6 28 6 30 6 32)box18=(4 28 4 30 5 30 5 32 6 32)box19=(4 26 4 34 5 28 5 30 5 32)box20=(4 26 4 34 5 28 5 32 6 30)box21=(4 26 5 28 6 30 7 32 8 34)box22=(4 28 4 32 5 26 5 30 5 34)box23=(4 28 4 34 5 30 5 32 6 30 6 32 7 28 7 34)box24=(4 30 5 28 5 32 6 26 6 30 6 34 7 28 7 32 8 30)box25=(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)mrx=[] # piece definitionmodh=3 # height of the top areamodw=5 # width of the left areascore=0 # current scorelevel=0 # current levelwidth=25 # width of the game areaheight=30 # height of the game area((hh=2*width+modw+6)) # width of the preview area on the left coltab=(1\;{30..37}\;{40..47}m) # color definition of the piecesfor signal in Rotate Left Right Down AllDown Exit Transfdo ((sig${signal}=++gis+24)) # signal definitiondonevalue(){ echo $?; } # the return valuepiece(){ box=(${!1}); } # current block definition serxy(){ kbox="${sup}"; } # vertical and horizontal coordinates first(){ ((map[u/2-modh]=0)); } # empty the first row of the background pieceskisig(){ kill -${sigExit} ${pid}; } # signal transfer for exit radom(){ echo -n $((RANDOM/coredata)); } # generate the randomly number between zero and $1 passed to $0color(){ echo -n ${coltab[RANDOM/512]}; } # generate the randomly number between zero and sisty-threehdbox(){ echo -e "${oldbox//[]/ }\e[0m"; } # erase the old piecescheck(){ (( map[(i-modh-1)*width+j/2-modh] == 0 )) && break; } # check the current row whether it's fully filled up with piecespause(){ (( ${2} == 0 )) && kill -s STOP ${1} || kill -s CONT ${1}; } # invoked for pausing and resuming the gameresume(){ # restore to the normal stty settings stty ${STTY} echo -e "\e[?25h\e[36;4H" }ptbox(){ # draw the current pieces oldbox="${cdn}" echo -e "\e[${colbox}${cdn}\e[0m" }regxy(){ # invoke the ptbox function and get the coordinates ptbox locus="${sup}" }equation(){ # core algorithm used for doubling and halving the coordinates [[ ${cdx} ]] && ((y=cy+(ccy-cdy)${2}2)) eval ${1}+=\"${x} ${y} \"}Quit(){ # function used for exiting invocation case $# in 0) echo -e "\e[?25h\e[36;26HGame Over!\e[0m" ;; 1) kisig resume ;; 2) resume ;; esac exit}customization(){ # customize the kinds of the pieces local i j k j=32767 k=${1:-25} (( k <= 0 || k > 25 )) && ((coredata=j+1)) || { for((i=j/k; i>0; --i)) do if (( j/i == k && j/(i-1) == k+1 )); then ((coredata=i)) return fi done }}lowerside(){ # function used for getting the coordinates of the lower side of the pieces local i a b set -- ${box[@]} a[$2]=${1} b[$2]="${1} ${2}" && shift 2 while (( ${#} > 0 )) do (( a[$2] < ${1} )) && a[$2]=${1} b[$2]="${a[$2]} ${2}" shift 2 done echo ${b[@]}}initialization(){ # initial all the background pieces to be empty local rsyx ((rsyx=(i-modh-1)*width+j/2-modh)) ((map[rsyx]=0)) ((pam[rsyx]=0))} background(){ # draw the background pieces local rsxy rsyx rsyx="\e[${i};${j}H" ((rsxy=(i-modh-1)*width+j/2-modh)) (( map[rsxy] == 0 )) && echo -ne "${rsyx} " || echo -ne "${rsyx}\e[${pam[rsxy]}${mrx}\e[0m"}posmap(){ # map the current pieces into background pieces local srx sry ((srx=(j-modh)*width+u/2-modh)) ((sry=(j-modh-1)*width+u/2-modh)) ((map[srx]=map[sry])) eval pam[srx]=\"${pam[sry]}\"}loop(){ # a shared loop structure used for invocation local i j for((i=modh+1; i<=height+modh; ++i)) do for((j=modw+1; j<=2*(width-1)+modw+1; j+=2)) do ${1} done ${2} done}iteration(){ # a shared itera structure used for invocation local u for((u=modw+1; u<=2*(width-1)+modw+1; u+=2)) do ${1} done}mapbox(){ # sum the lines which are fully filled up with pieces and invoke the iteration function (( j <= 2*(width-1)+modw+1 )) && continue ((++line)) for((j=i-1; j>=modh+1; --j)) do iteration posmap done iteration first}preview(){ # preview the next N pieces (the default value of N is six) local vor clo clu i vor=(${!1}) for((i=0; i<${#vor[@]}; i+=2)) do ((clo=${vor[i+1]}+${hh}-${3})) smobox+="\e[$((vor[i]-1));${clo}H${mrx}" done clu="${!2}" echo -e "${clu//[]/ }\e[${!4}${smobox}\e[0m"}pipebox(){ # core function used for piping the output of one preview to the input of the next one smobox="" (( ${5} != 0 )) && { piece box$(radom)[@] eval ${1}="(${box[@]})" colbox="$(color)" eval ${6}=\"${colbox}\" preview box[@] ${3} ${4} colbox } || { eval ${1}="(${!2})" eval ${6}=\"${!7}\" preview ${2} ${3} ${4} ${7} } eval ${3}=\"${smobox}\"}invoke() { # a highly abstracted function intended for invoking the pipebox local aryA aryB aryC i aryA=(m{c..h}box) for((i=0; i<5; ++i)) do aryB=(r${aryA[i]} r${aryA[i+1]}[@] ${aryA[i]}) aryC=($((12*(2-i))) ${1} s${aryB[0]} sr${aryA[i+1]}) pipebox ${aryB[@]} ${aryC[@]} done}showbox(){ # draw the pieces used for preview local smobox colbox="${srmcbox}" olbox=(${rmcbox[@]}) invoke ${#} smobox="" piece box$(radom)[@] rmhbox=(${box[@]}) srmhbox="$(color)" preview box[@] crsbox -36 srmhbox crsbox="${smobox}" box=(${olbox[@]})}drawbox(){ # draw the current pieces (( $# == 1 )) && { piece box$(radom)[@] colbox="$(color)" coordinate box[@] regxy } || { colbox="${srmcbox}" coordinate rmcbox[@] regxy } oldbox="${cdn}" if ! movebox locus; then kill -${sigExit} ${PPID} kisig Quit fi}bomb(){ # the bomb used for erasing the other pieces scn="" for((j=0; j<${#calcu[@]}; j+=2)) do ((p=calcu[j])) ((q=calcu[j+1])) ((mus=(p-modh-1)*width+q/2-modh)) boolp="p > modh && p <= height+modh" boolq="q <= 2*width+modw && q > modw" if (( boolp && boolq )); then scn+="\e[${p};${q}H${sbos}" ((map[mus]=0)) ((pam[mus]=0)) fi done sleep 0.03 echo -e "${scn}"}offset(){ # calculate the current score, level and erase the background pieces when necessary local i j x y p q yox sbos line vor mus calcu scn boolp boolq sbos="\040\040" vor=(${locus}) calcu=(x y-4 x y-2 x y x y+2 x y+4 x+1 y x+1 y-2 x+1 y+2) for((i=0; i<${#vor[@]}; i+=2)) do ((x=vor[i])) ((y=vor[i+1])) ((yox=(x-modh-1)*width+y/2-modh)) if (( ${#vor[@]} == 16 )); then bomb else ((map[yox]=1)) pam[yox]="${colbox}" fi done line=0 loop check mapbox (( line == 0 )) && return echo -e "\e[1;34m\e[$((modh+6));${hh}H$((score+=line*200-100))" (( score%5000 < line*200-100 && level < 20 )) && echo -e "\e[1;34m\e[$((modh+8));${hh}H$((++level))" echo -e "\e[0m" loop background} showtime(){ # show the total time consumed since the script has been invoked in form of HH:MM:SS local i h m s vir Time trap "Quit" ${sigExit} h=0 m=0 s=0 vir=-------- colot="\e[1;33m" echo -e "\e[2;6H${colot}${vir}${vir}[\e[0m" echo -e "\e[2;39H${colot}]${vir}${vir}\e[0m" while : do (( s == 60 )) && { ((++m)); s=0; } (( m == 60 )) && { ((++h)); m=0; } for i in h m s do if (( $(eval echo \${#${i}}) != 2 )); then Time[i]="0${!i}" else Time[i]="${!i}" fi done echo -e "\e[2;24H${colot}Time ${Time[h]}:${Time[m]}:${Time[s]}\e[0m" sleep 1 ((++s)) done}persig(){ # deal with the detected signals local sigSwap pid pid=${1} showbox 0 drawbox 0 for i in sigRotate sigTransf sigLeft sigRight sigDown sigAllDown do trap "sig=${!i}" ${!i} done trap "kisig; Quit" ${sigExit} while : do for ((i=0; i<20-level; ++i)) do sleep 0.02 sigSwap=${sig} sig=0 case ${sigSwap} in ${sigRotate} ) transform 0 ;; ${sigTransf} ) transform 1 ;; ${sigLeft} ) transform 0 -2 ;; ${sigRight} ) transform 0 2 ;; ${sigDown} ) transform 1 0 ;; ${sigAllDown}) transform $(value $(bottom)) 0 ;; esac done transform 1 0 done}getsig(){ # deal with the input messages local pid key arry pool STTY sig pid=${1} arry=(0 0 0) pool=$(echo -ne "\e") STTY=$(stty -g) trap "Quit 0" INT TERM trap "Quit 0 0" ${sigExit} echo -ne "\e[?25l" while : do read -s -n 1 key arry[0]=${arry[1]} arry[1]=${arry[2]} arry[2]=${key} sig=0 if [[ ${key} == ${pool} && ${arry[1]} == ${pool} ]];then Quit 0 elif [[ "[${key}]" == ${mrx} ]]; then sig=${sigAllDown} elif [[ ${arry[0]} == ${pool} && ${arry[1]} == "[" ]]; then case ${key} in A) sig=${sigRotate} ;; B) sig=${sigDown} ;; D) sig=${sigLeft} ;; C) sig=${sigRight} ;; esac else case ${key} in W|w) sig=${sigRotate} ;; T|t) sig=${sigTransf} ;; S|s) sig=${sigDown} ;; A|a) sig=${sigLeft} ;; D|d) sig=${sigRight} ;; P|p) pause ${pid} 0 ;; R|r) pause ${pid} 1 ;; Q|q) Quit 0 ;; esac fi (( sig != 0 )) && kill -${sig} ${pid} done}bottom(){ # drop all the pieces down to the bottom local max boolc boolr i j max=($(lowerside)) for((i=0; i<height; ++i)) do for((j=0; j<${#max[@]}; j+=2)) do boolr="max[j]+i == height+modh" boolc="map[(max[j]+i-modh)*width+max[j+1]/2-modh] == 1" (( boolc || boolr )) && return ${i} done done}movebox(){ # detect whether it's possible to move the pieces to a new position local x y i j xoy vor boolx booly vor=(${!1}) smu=${#vor[@]} for((i=0; i<${#vor[@]}; i+=2)) do ((x=vor[i]+dx)) ((y=vor[i+1]+dy)) ((xoy=(x-modh-1)*width+y/2-modh)) (( xoy < 0 )) && return 1 boolx="x <= modh || x > height+modh" booly="y > 2*width+modw || y <= modw" (( boolx || booly )) && return 1 if (( map[xoy] == 1 )); then if (( smu == 2 )); then for((j=height+modh; j>x; --j)) do (( map[(j-modh-1)*width+y/2-modh] == 0 )) && return 0 done fi return 1 fi done return 0 }across(){ # move the 1x1 block in a special manner local i j m one one=(${locus}) ((i=one[0])) ((j=one[1])) ((m=(i-modh-1)*width+j/2-modh)) (( map[m] == 1 )) && echo -e "\e[${i};${j}H\e[${pam[m]}${mrx}\e[0m"}coordinate(){ # locate the coordinates of the pieces on the terminal local i sup vor vor=(${!1}) for((i=0; i<${#vor[@]}; i+=2)) do cdn+="\e[${vor[i]};${vor[i+1]}H${mrx}" sup+="${vor[i]} ${vor[i+1]} " done ${2} }increment(){ # add the increment of the coordinates according to the direction that pieces will move to local v for((v=0; v<${#box[@]}; v+=2)) do ((box[v]+=dx)) ((box[v+1]+=dy)) done nbox=(${box[@]}) coordinate box[@] regxy box=(${nbox[@]})}parallelbox(){ # move the pieces or generate new one when the bottom is the current position if movebox locus; then hdbox (( smu == 2 )) && across increment else (( dx == 1 )) && { offset drawbox showbox } fi}centralpoint(){ # get the central coordinates of the pieces BOX=(${!1}) if (( ${#BOX[@]}%4 == 0 )); then ((${2}=BOX[${#BOX[@]}/2])) ((${3}=BOX[${#BOX[@]}/2+1])) else ((${3}=BOX[${#BOX[@]}/2])) ((${2}=BOX[${#BOX[@]}/2-1])) fi}multiple(){ # transformation between double and a half of the coordinates local x y cy ccx ccy cdx cdy vor vor=(${!1}) for((i=0; i<${#vor[@]}; i+=2)) do ((x=vor[i])) ((y=vor[i+1])) ((ccx=x)) ((ccy=y)) ${2} ${3} "${4}" ((cy=y)) ((cdx=ccx)) ((cdy=ccy)) done }algorithm(){ # the most core algorithm used for pieces rotation and matrix transposition local row col for((i=0; i<${#vbox[@]}; i+=2)) do ((row=m+vbox[i+1]-n)) # row=(x-m)*zoomx*cos(a)-(y-n)*zoomy*sin(a)+m if (( dx != 1 )); then # col=(x-m)*zoomx*sin(a)+(y-n)*zoomy*cos(a)+n ((col=m-vbox[i]+n)) # a=-pi/2 zoomx=+1 zoomy=+1 dx=0 dy=0 else # a=-pi/2 zoomx=-1 zoomy=+1 dx=0 dy=0 ((col=vbox[i]-m+n)) # a=+pi/2 zoomx=+1 zoomy=-1 dx=0 dy=0 fi mbox+="${row} ${col} " done}component(){ # add the difference of two central coordinates local i for((i=0; i<${#tbox[@]}; i+=2)) do ((tbox[i]+=mp-p)) ((tbox[i+1]+=nq-q)) done}procedure(){ # function invocation multiple ${1} ${2} ${3} "${4}" eval ${3}="(${!3})" centralpoint ${3}[@] ${5} ${6} }rotate(){ # rotate or transpose the pieces local m n p q mp nq tbox mbox vbox kbox centralpoint box[@] mp nq procedure box[@] equation vbox "/" m n algorithm mbox=(${mbox}) procedure mbox[@] equation tbox "*" p q component coordinate tbox[@] serxy dx=0 if movebox kbox; then hdbox locus="${kbox}" ptbox box=(${kbox}) fi}transform(){ # function invocation local dx dy cdn smu dx=${1} dy=${2} (( $# == 2 )) && parallelbox || rotate }matrix(){ # matrix equation of the core algorithm one=" " sr="\e[0m" two="${one}${one}" tre="${one}${two}" cps="${two}${tre}" spc="${cps}${cps}" colbon="\e[1;36m" mcol="\e[1;33;40m" trx="${mrx}${mrx}" fk0="${colbon}${mrx}${sr}" fk1="${colbon}${trx}${sr}" fk2="${colbon}${mrx}${trx}${sr}" fk3="${colbon}${trx}${trx}${sr}" fk4="${mcol}${mrx}${sr}" fk5="${spc}${spc}" fk6="${mcol}${mrx}${trx}${sr}" fk="${tre}${fk0}${two}${fk3}${two}${fk3}" fk7="${fk1}${one}${fk1}${fk}${fk4}${two}${two}" fk8="${fk0}${one}row${one}${fk0}${tre}${fk0}${two}${fk0}${one}(x-m)*zoomx${two}" fk9="${one}=${one}${fk0}${two}${fk0}${spc}${tre}${one}${fk0}${tre}*${two}" fk10="${spc}${cps}${two}${fk0}${two}${fk0}${one}+${one}${fk0}${cps}${fk0}" fk11="${tre}${one}${fk0}${two}cos(a)${one}sin(a)${two}${fk0}${two}${fk0}${tre}${fk0}${two}m${two}${fk0}" fk12="${one}col${one}${fk0}${tre}${fk0}${two}${fk0}${one}(y-n)*zoomy${two}${fk0}${cps}${one}" fk13="${one}-sin(a)${one}cos(a)${two}${fk0}${two}${fk0}${tre}${fk0}${two}n${two}${fk0}" fk14="${fk1}${one}${fk1}${fk}${cps}${one}" fk15="${fk1}${two}${fk0}${tre}${fk1}${one}${fk1}" echo -e "\e[$((modh+23));${hh}HAlgorithm:${sr}${two}${fk2}${one}${fk5}${fk5}${fk2}${fk4}" echo -e "\e[$((modh+30));${hh}H${spc}${two}${fk0}${two}${two}${cps}${fk5}${fk5}${fk0}" echo -e "\e[$((modh+25));${hh}H${fk7}${fk1}${spc}${tre}${fk1}${two}${fk0}${tre}${fk1}${one}${fk1}" echo -e "\e[$((modh+26));${hh}H${fk8}${fk0}${fk4}${fk11}\e[$((modh+28));${hh}H${fk0}${fk12}${fk0}${fk13}" echo -e "\e[$((modh+24));${hh}H${two}${spc}${fk0}${spc}${tre}${two}${tre}${fk6}${fk5}${cps}${fk0}${fk4}" echo -e "\e[$((modh+22));${hh}H${tre}${fk5}${fk5}${fk5}${fk6}\e[$((modh+29));${hh}H${fk14}${fk1}${spc}${tre}${fk15}" echo -e "\e[$((modh+27));${hh}H${fk0}${cps}${fk0}${fk9}${fk0}${fk10}\e[$((modh+31));${hh}H${spc}${two}${fk2}${fk5}${fk5} ${fk2}"}boundary(){ # the boundary of the game area clear boncol="\e[1;36m" for((i=modw+1; i<=2*width+modw; i+=2)) do echo -e "${boncol}\e[${modh};${i}H==\e[$((height+modh+1));${i}H==\e[0m" done for((i=modh; i<=height+modh+1; ++i)) do echo -e "${boncol}\e[${i};$((modw-1))H||\e[${i};$((2*width+modw+1))H||\e[0m" done}instruction(){ # basic information echo -e "\e[1;31m\e[$((modh+5));${hh}HScore\e[1;31m\e[$((modh+7));${hh}HLevel\e[0m" echo -e "\e[1;34m\e[$((modh+6));${hh}H${score}\e[1;34m\e[$((modh+8));${hh}H${level}\e[0m" echo -e "\e[$((modh+14));${hh}HT|t === transpose" echo -e "\e[$((modh+10));${hh}HQ|q|ESC === exit" echo -e "\e[$((modh+11));${hh}HP|p === pause\e[$((modh+12));${hh}HR|r === resume" echo -e "\e[$((modh+13));${hh}HW|w|up === rotate\e[$((modh+15));${hh}HS|s|down === one step down" echo -e "\e[$((modh+16));${hh}HA|a|left === one step left\e[$((modh+17));${hh}HD|d|right === one step right" echo -e "\e[$((modh+18));${hh}HSpace|enter === drop all down\e[1;36m\e[$((modh+19));${hh}HTetris Game Version 5.0" echo -e "\e[$((modh+20));${hh}HYongYe <expertshell@gmail.com>\e[$((modh+21));${hh}H11/01/2011 BeiJing China [Updated 01/22/2012]"} [[ "x${1}" == "xRun" ]] && { customization ${2} loop initialization boundary instruction matrix showtime & persig $! } || { bash $0 Run ${1} & getsig $! } 0 0
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