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网上看到的一个用linux的shell脚本写的俄罗斯方块。

是我至今见过写的最牛逼的shell了。共享一下。

原作者信息在脚本的凝视中有。

下载地址：点击下载

#!/bin/bash# Tetris Game
# 10.21.2003 xhchen<[email]xhchen@winbond.com.tw[/email]>#APP declaration
APP_NAME="${0##*[\\/]}"
APP_VERSION="1.0"#颜色定义
cRed=1
cGreen=2
cYellow=3
cBlue=4
cFuchsia=5
cCyan=6
cWhite=7
colorTable=($cRed $cGreen $cYellow $cBlue $cFuchsia $cCyan $cWhite)#位置和大小
iLeft=3
iTop=2
((iTrayLeft = iLeft + 2))
((iTrayTop = iTop + 1))
((iTrayWidth = 10))
((iTrayHeight = 15))#颜色设置
cBorder=$cGreen
cScore=$cFuchsia
cScoreValue=$cCyan#控制信号
#改游戏使用两个进程，一个用于接收输入，一个用于游戏流程和显示界面;
#当前者接收到上下左右等按键时，通过向后者发送signal的方式通知后者。
sigRotate=25
sigLeft=26
sigRight=27
sigDown=28
sigAllDown=29
sigExit=30#七中不同的方块的定义
#通过旋转。每种方块的显示的样式可能有几种
box0=(0 0 0 1 1 0 1 1)
box1=(0 2 1 2 2 2 3 2 1 0 1 1 1 2 1 3)
box2=(0 0 0 1 1 1 1 2 0 1 1 0 1 1 2 0)
box3=(0 1 0 2 1 0 1 1 0 0 1 0 1 1 2 1)
box4=(0 1 0 2 1 1 2 1 1 0 1 1 1 2 2 2 0 1 1 1 2 0 2 1 0 0 1 0 1 1 1 2)
box5=(0 1 1 1 2 1 2 2 1 0 1 1 1 2 2 0 0 0 0 1 1 1 2 1 0 2 1 0 1 1 1 2)
box6=(0 1 1 1 1 2 2 1 1 0 1 1 1 2 2 1 0 1 1 0 1 1 2 1 0 1 1 0 1 1 1 2)
#全部当中方块的定义都放到box变量中
box=(${box0[@]} ${box1[@]} ${box2[@]} ${box3[@]} ${box4[@]} ${box5[@]} ${box6[@]})
#各种方块旋转后可能的样式数目
countBox=(1 2 2 2 4 4 4)
#各种方块再box数组中的偏移
offsetBox=(0 1 3 5 7 11 15)#每提高一个速度级须要积累的分数
iScoreEachLevel=50        #be greater than 7#执行时数据
sig=0                #接收到的signal
iScore=0        #总分
iLevel=0        #速度级
boxNew=()        #新下落的方块的位置定义
cBoxNew=0        #新下落的方块的颜色
iBoxNewType=0        #新下落的方块的种类
iBoxNewRotate=0        #新下落的方块的旋转角度
boxCur=()        #当前方块的位置定义
cBoxCur=0        #当前方块的颜色
iBoxCurType=0        #当前方块的种类
iBoxCurRotate=0        #当前方块的旋转角度
boxCurX=-1        #当前方块的x坐标位置
boxCurY=-1        #当前方块的y坐标位置
iMap=()                #背景方块图表#初始化全部背景方块为-1, 表示没有方块
for ((i = 0; i < iTrayHeight * iTrayWidth; i++)); do iMap[$i]=-1; done#接收输入的进程的主函数
function RunAsKeyReceiver()
{local pidDisplayer key aKey sig cESC sTTYpidDisplayer=$1aKey=(0 0 0)cESC=`echo -ne "\033"`cSpace=`echo -ne "\040"`#保存终端属性。在read -s读取终端键时，终端的属性会被临时改变。#假设在read -s时程序被不幸杀掉，可能会导致终端混乱，#须要在程序退出时恢复终端属性。sTTY=`stty -g`#捕捉退出信号trap "MyExit;" INT TERMtrap "MyExitNoSub;" $sigExit#隐藏光标echo -ne "\033[?25l"while :do#读取输入。注-s不回显。-n读到一个字符马上返回read -s -n 1 keyaKey[0]=${aKey[1]}aKey[1]=${aKey[2]}aKey[2]=$keysig=0#推断输入了何种键if [[ $key == $cESC && ${aKey[1]} == $cESC ]]then#ESC键MyExitelif [[ ${aKey[0]} == $cESC && ${aKey[1]} == "[" ]]thenif [[ $key == "A" ]]; then sig=$sigRotate        #<向上键>elif [[ $key == "B" ]]; then sig=$sigDown        #<向下键>elif [[ $key == "D" ]]; then sig=$sigLeft        #<向左键>elif [[ $key == "C" ]]; then sig=$sigRight        #<向右键>fielif [[ $key == "W" || $key == "w" ]]; then sig=$sigRotate        #W, welif [[ $key == "S" || $key == "s" ]]; then sig=$sigDown        #S, selif [[ $key == "A" || $key == "a" ]]; then sig=$sigLeft        #A, aelif [[ $key == "D" || $key == "d" ]]; then sig=$sigRight        #D, delif [[ "[$key]" == "[]" ]]; then sig=$sigAllDown        #空格键elif [[ $key == "Q" || $key == "q" ]]                        #Q, qthenMyExitfiif [[ $sig != 0 ]]then#向还有一进程发送消息kill -$sig $pidDisplayerfidone
}#退出前的恢复
function MyExitNoSub()
{local y#恢复终端属性stty $sTTY((y = iTop + iTrayHeight + 4))#显示光标echo -e "\033[?25h\033[${y};0H"exit
}function MyExit()
{#通知显示进程须要退出kill -$sigExit $pidDisplayerMyExitNoSub
}#处理显示和游戏流程的主函数
function RunAsDisplayer()
{local sigThisInitDraw#挂载各种信号的处理函数trap "sig=$sigRotate;" $sigRotatetrap "sig=$sigLeft;" $sigLefttrap "sig=$sigRight;" $sigRighttrap "sig=$sigDown;" $sigDowntrap "sig=$sigAllDown;" $sigAllDowntrap "ShowExit;" $sigExitwhile :do#依据当前的速度级iLevel不同，设定对应的循环的次数for ((i = 0; i < 21 - iLevel; i++))dosleep 0.02sigThis=$sigsig=0#依据sig变量推断是否接受到对应的信号if ((sigThis == sigRotate)); then BoxRotate;        #旋转elif ((sigThis == sigLeft)); then BoxLeft;        #左移一列elif ((sigThis == sigRight)); then BoxRight;        #右移一列elif ((sigThis == sigDown)); then BoxDown;        #下落一行elif ((sigThis == sigAllDown)); then BoxAllDown;        #下落究竟fidone#kill -$sigDown $$BoxDown        #下落一行done
}#BoxMove(y, x), 測试能否够把移动中的方块移到(x, y)的位置, 返回0则能够, 1不能够
function BoxMove()
{local j i x y xTest yTestyTest=$1xTest=$2for ((j = 0; j < 8; j += 2))do((i = j + 1))((y = ${boxCur[$j]} + yTest))((x = ${boxCur[$i]} + xTest))if (( y < 0 || y >= iTrayHeight || x < 0 || x >= iTrayWidth))then#撞到墙壁了return 1fiif ((${iMap[y * iTrayWidth + x]} != -1 ))then#撞到其它已经存在的方块了return 1fidonereturn 0;
}#将当前移动中的方块放到背景方块中去,
#并计算新的分数和速度级。(即一次方块落究竟部)
function Box2Map()
{local j i x y xp yp line#将当前移动中的方块放到背景方块中去for ((j = 0; j < 8; j += 2))do((i = j + 1))((y = ${boxCur[$j]} + boxCurY))((x = ${boxCur[$i]} + boxCurX))((i = y * iTrayWidth + x))iMap[$i]=$cBoxCurdone#消去可被消去的行line=0for ((j = 0; j < iTrayWidth * iTrayHeight; j += iTrayWidth))dofor ((i = j + iTrayWidth - 1; i >= j; i--))doif ((${iMap[$i]} == -1)); then break; fidoneif ((i >= j)); then continue; fi((line++))for ((i = j - 1; i >= 0; i--))do((x = i + iTrayWidth))iMap[$x]=${iMap[$i]}donefor ((i = 0; i < iTrayWidth; i++))doiMap[$i]=-1donedoneif ((line == 0)); then return; fi#依据消去的行数line计算分数和速度级((x = iLeft + iTrayWidth * 2 + 7))((y = iTop + 11))((iScore += line * 2 - 1))#显示新的分数echo -ne "\033[1m\033[3${cScoreValue}m\033[${y};${x}H${iScore}         "if ((iScore % iScoreEachLevel < line * 2 - 1))thenif ((iLevel < 20))then((iLevel++))((y = iTop + 14))#显示新的速度级echo -ne "\033[3${cScoreValue}m\033[${y};${x}H${iLevel}        "fifiecho -ne "\033[0m"#又一次显示背景方块for ((y = 0; y < iTrayHeight; y++))do((yp = y + iTrayTop + 1))((xp = iTrayLeft + 1))((i = y * iTrayWidth))echo -ne "\033[${yp};${xp}H"for ((x = 0; x < iTrayWidth; x++))do((j = i + x))if ((${iMap[$j]} == -1))thenecho -ne "  "elseecho -ne "\033[1m\033[7m\033[3${iMap[$j]}m\033[4${iMap[$j]}m[]\033[0m"fidonedone
}#下落一行
function BoxDown()
{local y s((y = boxCurY + 1))        #新的y坐标if BoxMove $y $boxCurX        #測试能否够下落一行thens="`DrawCurBox 0`"        #将旧的方块抹去((boxCurY = y))s="$s`DrawCurBox 1`"        #显示新的下落后方块echo -ne $selse#走到这儿, 假设不能下落了Box2Map                #将当前移动中的方块贴到背景方块中RandomBox        #产生新的方块fi
}#左移一列
function BoxLeft()
{local x s((x = boxCurX - 1))if BoxMove $boxCurY $xthens=`DrawCurBox 0`((boxCurX = x))s=$s`DrawCurBox 1`echo -ne $sfi
}#右移一列
function BoxRight()
{local x s((x = boxCurX + 1))if BoxMove $boxCurY $xthens=`DrawCurBox 0`((boxCurX = x))s=$s`DrawCurBox 1`echo -ne $sfi
}#下落究竟
function BoxAllDown()
{local k j i x y iDown siDown=$iTrayHeight#计算一共须要下落多少行for ((j = 0; j < 8; j += 2))do((i = j + 1))((y = ${boxCur[$j]} + boxCurY))((x = ${boxCur[$i]} + boxCurX))for ((k = y + 1; k < iTrayHeight; k++))do((i = k * iTrayWidth + x))if (( ${iMap[$i]} != -1)); then break; fidone((k -= y + 1))if (( $iDown > $k )); then iDown=$k; fidones=`DrawCurBox 0`        #将旧的方块抹去((boxCurY += iDown))s=$s`DrawCurBox 1`        #显示新的下落后的方块echo -ne $sBox2Map                #将当前移动中的方块贴到背景方块中RandomBox        #产生新的方块
}#旋转方块
function BoxRotate()
{local iCount iTestRotate boxTest j i siCount=${countBox[$iBoxCurType]}        #当前的方块经旋转能够产生的样式的数目#计算旋转后的新的样式((iTestRotate = iBoxCurRotate + 1))if ((iTestRotate >= iCount))then((iTestRotate = 0))fi#更新到新的样式, 保存老的样式(但不显示)for ((j = 0, i = (${offsetBox[$iBoxCurType]} + $iTestRotate) * 8; j < 8; j++, i++))doboxTest[$j]=${boxCur[$j]}boxCur[$j]=${box[$i]}doneif BoxMove $boxCurY $boxCurX        #測试旋转后是否有空间放的下then#抹去旧的方块for ((j = 0; j < 8; j++))doboxCur[$j]=${boxTest[$j]}dones=`DrawCurBox 0`#画上新的方块for ((j = 0, i = (${offsetBox[$iBoxCurType]} + $iTestRotate) * 8; j < 8; j++, i++))doboxCur[$j]=${box[$i]}dones=$s`DrawCurBox 1`echo -ne $siBoxCurRotate=$iTestRotateelse#不能旋转，还是继续使用老的样式for ((j = 0; j < 8; j++))doboxCur[$j]=${boxTest[$j]}donefi
}#DrawCurBox(bDraw), 绘制当前移动中的方块, bDraw为1, 画上, bDraw为0, 抹去方块。

function DrawCurBox() { local i j t bDraw sBox s bDraw=$1 s="" if (( bDraw == 0 )) then sBox="\040\040" else sBox="[]" s=$s"\033[1m\033[7m\033[3${cBoxCur}m\033[4${cBoxCur}m" fi for ((j = 0; j < 8; j += 2)) do ((i = iTrayTop + 1 + ${boxCur[$j]} + boxCurY)) ((t = iTrayLeft + 1 + 2 * (boxCurX + ${boxCur[$j + 1]}))) #\033[y;xH, 光标到(x, y)处 s=$s"\033[${i};${t}H${sBox}" done s=$s"\033[0m" echo -n $s } #更新新的方块 function RandomBox() { local i j t #更新当前移动的方块 iBoxCurType=${iBoxNewType} iBoxCurRotate=${iBoxNewRotate} cBoxCur=${cBoxNew} for ((j = 0; j < ${#boxNew[@]}; j++)) do boxCur[$j]=${boxNew[$j]} done #显示当前移动的方块 if (( ${#boxCur[@]} == 8 )) then #计算当前方块该从顶端哪一行"冒"出来 for ((j = 0, t = 4; j < 8; j += 2)) do if ((${boxCur[$j]} < t)); then t=${boxCur[$j]}; fi done ((boxCurY = -t)) for ((j = 1, i = -4, t = 20; j < 8; j += 2)) do if ((${boxCur[$j]} > i)); then i=${boxCur[$j]}; fi if ((${boxCur[$j]} < t)); then t=${boxCur[$j]}; fi done ((boxCurX = (iTrayWidth - 1 - i - t) / 2)) #显示当前移动的方块 echo -ne `DrawCurBox 1` #假设方块一出来就没处放，Game over! if ! BoxMove $boxCurY $boxCurX then kill -$sigExit ${PPID} ShowExit fi fi #清除右边预显示的方块 for ((j = 0; j < 4; j++)) do ((i = iTop + 1 + j)) ((t = iLeft + 2 * iTrayWidth + 7)) echo -ne "\033[${i};${t}H " done #随机产生新的方块 ((iBoxNewType = RANDOM % ${#offsetBox[@]})) ((iBoxNewRotate = RANDOM % ${countBox[$iBoxNewType]})) for ((j = 0, i = (${offsetBox[$iBoxNewType]} + $iBoxNewRotate) * 8; j < 8; j++, i++)) do boxNew[$j]=${box[$i]}; done ((cBoxNew = ${colorTable[RANDOM % ${#colorTable[@]}]})) #显示右边预显示的方块 echo -ne "\033[1m\033[7m\033[3${cBoxNew}m\033[4${cBoxNew}m" for ((j = 0; j < 8; j += 2)) do ((i = iTop + 1 + ${boxNew[$j]})) ((t = iLeft + 2 * iTrayWidth + 7 + 2 * ${boxNew[$j + 1]})) echo -ne "\033[${i};${t}H[]" done echo -ne "\033[0m" } #初始绘制 function InitDraw() { clear RandomBox #随机产生方块。这时右边预显示窗体中有方快了 RandomBox #再随机产生方块。右边预显示窗体中的方块被更新，原先的方块将開始下落 local i t1 t2 t3 #显示边框 echo -ne "\033[1m" echo -ne "\033[3${cBorder}m\033[4${cBorder}m" ((t2 = iLeft + 1)) ((t3 = iLeft + iTrayWidth * 2 + 3)) for ((i = 0; i < iTrayHeight; i++)) do ((t1 = i + iTop + 2)) echo -ne "\033[${t1};${t2}H||" echo -ne "\033[${t1};${t3}H||" done ((t2 = iTop + iTrayHeight + 2)) for ((i = 0; i < iTrayWidth + 2; i++)) do ((t1 = i * 2 + iLeft + 1)) echo -ne "\033[${iTrayTop};${t1}H==" echo -ne "\033[${t2};${t1}H==" done echo -ne "\033[0m" #显示"Score"和"Level"字样 echo -ne "\033[1m" ((t1 = iLeft + iTrayWidth * 2 + 7)) ((t2 = iTop + 10)) echo -ne "\033[3${cScore}m\033[${t2};${t1}HScore" ((t2 = iTop + 11)) echo -ne "\033[3${cScoreValue}m\033[${t2};${t1}H${iScore}" ((t2 = iTop + 13)) echo -ne "\033[3${cScore}m\033[${t2};${t1}HLevel" ((t2 = iTop + 14)) echo -ne "\033[3${cScoreValue}m\033[${t2};${t1}H${iLevel}" echo -ne "\033[0m" } #退出时显示GameOVer! function ShowExit() { local y ((y = iTrayHeight + iTrayTop + 3)) echo -e "\033[${y};0HGameOver!\033[0m" exit } #显示使用方法. function Usage { cat << EOF Usage: $APP_NAME Start tetris game. -h, --help display this help and exit --version output version information and exit EOF } #游戏主程序在这儿開始. if [[ "$1" == "-h" || "$1" == "--help" ]]; then Usage elif [[ "$1" == "--version" ]]; then echo "$APP_NAME $APP_VERSION" elif [[ "$1" == "--show" ]]; then #当发现具有參数--show时，执行显示函数 RunAsDisplayer else bash $0 --show& #以參数--show将本程序再执行一遍 RunAsKeyReceiver $! #以上一行产生的进程的进程号作为參数 fi