shellの大物で書いたロシアのブロックを共有します


実はそんなに难しくありません主にアルゴリズムの何のあのセットはすべて固定しました(ロシアのブロック)基本的にそのままでいいので、その他の主にあなたのshellのプログラミングの基礎を见て(これは重点です)どのようにシステムの学习shellのプログラミングを见ることができますかを知りません
『LinuxコマンドラインとShellスクリプトプログラミング大全』もご覧いただけます
#!/bin/bash

# Tetris Game
# 10.21.2003 xhchen

#APP declaration
APP_NAME="${0##*[\\/]}"
APP_VERSION="1.0"


#    
cRed=1
cGreen=2
cYellow=3
cBlue=4
cFuchsia=5
cCyan=6
cWhite=7
colorTable=($cRed $cGreen $cYellow $cBlue $cFuchsia $cCyan $cWhite)

#     
iLeft=3
iTop=2
((iTrayLeft = iLeft + 2))
((iTrayTop = iTop + 1))
((iTrayWidth = 10))
((iTrayHeight = 15))

#    
cBorder=$cGreen
cScore=$cFuchsia
cScoreValue=$cCyan

#    
#         ,        ,             ;
#              ,       signal       。
sigRotate=25
sigLeft=26
sigRight=27
sigDown=28
sigAllDown=29
sigExit=30

#          
#    ,               
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)
#            box   
box=(${box0[@]} ${box1[@]} ${box2[@]} ${box3[@]} ${box4[@]} ${box5[@]} ${box6[@]})
#              
countBox=(1 2 2 2 4 4 4)
#     box      
offsetBox=(0 1 3 5 7 11 15)

#               
iScoreEachLevel=50        #be greater than 7

#     
sig=0                #    signal
iScore=0        #  
iLevel=0        #   
boxNew=()        #           
cBoxNew=0        #         
iBoxNewType=0        #         
iBoxNewRotate=0        #           
boxCur=()        #         
cBoxCur=0        #       
iBoxCurType=0        #       
iBoxCurRotate=0        #         
boxCurX=-1        #     x    
boxCurY=-1        #     y    
iMap=()                #      

#          -1,       
for ((i = 0; i < iTrayHeight * iTrayWidth; i++)); do iMap[$i]=-1; done


#           
function RunAsKeyReceiver()
{
        local pidDisplayer key aKey sig cESC sTTY

        pidDisplayer=$1
        aKey=(0 0 0)

        cESC=`echo -ne "\033"`
        cSpace=`echo -ne "\040"`

        #      。 read -s      ,           。
        #   read -s        ,         ,
        #              。
        sTTY=`stty -g`

        #      
        trap "MyExit;" INT TERM
        trap "MyExitNoSub;" $sigExit

        #    
        echo -ne "\033[?25l"


        while :
        do
                #    。 -s   ,-n          
                read -s -n 1 key

                aKey[0]=${aKey[1]}
                aKey[1]=${aKey[2]}
                aKey[2]=$key
                sig=0

                #        
                if [[ $key == $cESC && ${aKey[1]} == $cESC ]]
                then
                        #ESC 
                        MyExit
                elif [[ ${aKey[0]} == $cESC && ${aKey[1]} == "[" ]]
                then
                        if [[ $key == "A" ]]; then sig=$sigRotate        #
                        elif [[ $key == "B" ]]; then sig=$sigDown        #
                        elif [[ $key == "D" ]]; then sig=$sigLeft        #
                        elif [[ $key == "C" ]]; then sig=$sigRight        #
                        fi
                elif [[ $key == "W" || $key == "w" ]]; then sig=$sigRotate        #W, w
                elif [[ $key == "S" || $key == "s" ]]; then sig=$sigDown        #S, s
                elif [[ $key == "A" || $key == "a" ]]; then sig=$sigLeft        #A, a
                elif [[ $key == "D" || $key == "d" ]]; then sig=$sigRight        #D, d
                elif [[ "[$key]" == "[]" ]]; then sig=$sigAllDown        #   
                elif [[ $key == "Q" || $key == "q" ]]                        #Q, q
                then
                        MyExit
                fi

                if [[ $sig != 0 ]]
                then
                        #         
                        kill -$sig $pidDisplayer
                fi
        done
}

#      
function MyExitNoSub()
{
        local y

        #      
        stty $sTTY
        ((y = iTop + iTrayHeight + 4))

        #    
        echo -e "\033[?25h\033[${y};0H"
        exit
}


function MyExit()
{
        #          
        kill -$sigExit $pidDisplayer

        MyExitNoSub
}


#             
function RunAsDisplayer()
{
        local sigThis
        InitDraw

        #           
        trap "sig=$sigRotate;" $sigRotate
        trap "sig=$sigLeft;" $sigLeft
        trap "sig=$sigRight;" $sigRight
        trap "sig=$sigDown;" $sigDown
        trap "sig=$sigAllDown;" $sigAllDown
        trap "ShowExit;" $sigExit

        while :
        do
                #        iLevel  ,          
                for ((i = 0; i < 21 - iLevel; i++))
                do
                        sleep 0.02
                        sigThis=$sig
                        sig=0

                        #  sig              
                        if ((sigThis == sigRotate)); then BoxRotate;        #  
                        elif ((sigThis == sigLeft)); then BoxLeft;        #    
                        elif ((sigThis == sigRight)); then BoxRight;        #    
                        elif ((sigThis == sigDown)); then BoxDown;        #    
                        elif ((sigThis == sigAllDown)); then BoxAllDown;        #    
                        fi
                done
                #kill -$sigDown $$
                BoxDown        #    
        done
}


#BoxMove(y, x),                (x, y)   ,   0   , 1   
function BoxMove()
{
        local j i x y xTest yTest
        yTest=$1
        xTest=$2
        for ((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
                        #     
                        return 1
                fi
                if ((${iMap[y * iTrayWidth + x]} != -1 ))
                then
                        #            
                        return 1
                fi
        done
        return 0;
}


#                 ,
#           。(         )
function Box2Map()
{
        local j i x y xp yp line

        #                 
        for ((j = 0; j < 8; j += 2))
        do
                ((i = j + 1))
                ((y = ${boxCur[$j]} + boxCurY))
                ((x = ${boxCur[$i]} + boxCurX))
                ((i = y * iTrayWidth + x))
                iMap[$i]=$cBoxCur
        done

        #        
        line=0
        for ((j = 0; j < iTrayWidth * iTrayHeight; j += iTrayWidth))
        do
                for ((i = j + iTrayWidth - 1; i >= j; i--))
                do
                        if ((${iMap[$i]} == -1)); then break; fi
                done
                if ((i >= j)); then continue; fi

                ((line++))
                for ((i = j - 1; i >= 0; i--))
                do
                        ((x = i + iTrayWidth))
                        iMap[$x]=${iMap[$i]}
                done
                for ((i = 0; i < iTrayWidth; i++))
                do
                        iMap[$i]=-1
                done
        done

        if ((line == 0)); then return; fi

        #       line        
        ((x = iLeft + iTrayWidth * 2 + 7))
        ((y = iTop + 11))
        ((iScore += line * 2 - 1))
        #      
        echo -ne "\033[1m\033[3${cScoreValue}m\033[${y};${x}H${iScore}         "
        if ((iScore % iScoreEachLevel < line * 2 - 1))
        then
                if ((iLevel < 20))
                then
                        ((iLevel++))
                        ((y = iTop + 14))
                        #       
                        echo -ne "\033[3${cScoreValue}m\033[${y};${x}H${iLevel}        "
                fi
        fi
        echo -ne "\033[0m"


        #        
        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))
                        then
                                echo -ne "  "
                        else
                                echo -ne "\033[1m\033[7m\033[3${iMap[$j]}m\033[4${iMap[$j]}m[]\033[0m"
                        fi
                done
        done
}


#    
function BoxDown()
{
        local y s
        ((y = boxCurY + 1))        #  y  
        if BoxMove $y $boxCurX        #          
        then
                s="`DrawCurBox 0`"        #       
                ((boxCurY = y))
                s="$s`DrawCurBox 1`"        #         
                echo -ne $s
        else
                #    ,        
                Box2Map                #                
                RandomBox        #      
        fi
}

#    
function BoxLeft()
{
        local x s
        ((x = boxCurX - 1))
        if BoxMove $boxCurY $x
        then
                s=`DrawCurBox 0`
                ((boxCurX = x))
                s=$s`DrawCurBox 1`
                echo -ne $s
        fi
}

#    
function BoxRight()
{
        local x s
        ((x = boxCurX + 1))
        if BoxMove $boxCurY $x
        then
                s=`DrawCurBox 0`
                ((boxCurX = x))
                s=$s`DrawCurBox 1`
                echo -ne $s
        fi
}


#    
function BoxAllDown()
{
        local k j i x y iDown s
        iDown=$iTrayHeight

        #           
        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; fi
                done
                ((k -= y + 1))
                if (( $iDown > $k )); then iDown=$k; fi
        done

        s=`DrawCurBox 0`        #       
        ((boxCurY += iDown))
        s=$s`DrawCurBox 1`        #          
        echo -ne $s
        Box2Map                #                
        RandomBox        #      
}


#    
function BoxRotate()
{
        local iCount iTestRotate boxTest j i s
        iCount=${countBox[$iBoxCurType]}        #                  

        #          
        ((iTestRotate = iBoxCurRotate + 1))
        if ((iTestRotate >= iCount))
        then
                ((iTestRotate = 0))
        fi

        #       ,       (    )
        for ((j = 0, i = (${offsetBox[$iBoxCurType]} + $iTestRotate) * 8; j < 8; j++, i++))
        do
                boxTest[$j]=${boxCur[$j]}
                boxCur[$j]=${box[$i]}
        done

        if BoxMove $boxCurY $boxCurX        #             
        then
                #      
                for ((j = 0; j < 8; j++))
                do
                        boxCur[$j]=${boxTest[$j]}
                done
                s=`DrawCurBox 0`

                #      
                for ((j = 0, i = (${offsetBox[$iBoxCurType]} + $iTestRotate) * 8; j < 8; j++, i++))
                do
                        boxCur[$j]=${box[$i]}
                done
                s=$s`DrawCurBox 1`
                echo -ne $s
                iBoxCurRotate=$iTestRotate
        else
                #    ,          
                for ((j = 0; j < 8; j++))
                do
                        boxCur[$j]=${boxTest[$j]}
                done
        fi
}


#DrawCurBox(bDraw),           , bDraw 1,   , bDraw 0,     。
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,    (x, y) 
                s=$s"\033[${i};${t}H${sBox}"
        done
        s=$s"\033[0m"
        echo -n $s
}


#      
function RandomBox()
{
        local i j t

        #         
        iBoxCurType=${iBoxNewType}
        iBoxCurRotate=${iBoxNewRotate}
        cBoxCur=${cBoxNew}
        for ((j = 0; j < ${#boxNew[@]}; j++))
        do
                boxCur[$j]=${boxNew[$j]}
        done


        #         
        if (( ${#boxCur[@]} == 8 ))
        then
                #             " "  
                for ((j = 0, t = 4; j < 8; j += 2))
                do
                        if ((${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))

                #         
                echo -ne `DrawCurBox 1`

                #           ,Game over!
                if ! BoxMove $boxCurY $boxCurX
                then
                        kill -$sigExit ${PPID}
                        ShowExit
                fi
        fi



        #          
        for ((j = 0; j < 4; j++))
        do
                ((i = iTop + 1 + j))
                ((t = iLeft + 2 * iTrayWidth + 7))
                echo -ne "\033[${i};${t}H        "
        done

        #        
        ((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[@]}]}))

        #          
        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"
}


#    
function InitDraw()
{
        clear
        RandomBox        #      ,              
        RandomBox        #       ,              ,          
        local i t1 t2 t3

        #    
        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"


        #  "Score" "Level"  
        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"
}


#     GameOVer!
function ShowExit()
{
        local y
        ((y = iTrayHeight + iTrayTop + 3))
        echo -e "\033[${y};0HGameOver!\033[0m"
        exit
}


#    .
function Usage
{
        cat << EOF
Usage: $APP_NAME
Start tetris game.

  -h, --help              display this help and exit
      --version           output version information and exit
EOF
}


#          .
if [[ "$1" == "-h" || "$1" == "--help" ]]; then
        Usage
elif [[ "$1" == "--version" ]]; then
        echo "$APP_NAME $APP_VERSION"
elif [[ "$1" == "--show" ]]; then
        #       --show ,      
        RunAsDisplayer
else
        bash $0 --show&        #   --show         
        RunAsKeyReceiver $!        #                 
fi