Tetris/BASH

From Rosetta Code
< Tetris
Revision as of 00:33, 16 April 2016 by rosettacode>Spoon! (add collection template)
Tetris/BASH is part of Tetris. You may find other members of Tetris at Category:Tetris.

Code

<lang BASH>#!/bin/bash

  1. Tetris Game
  2. 10.21.2003 xhchen
  3. http://read.pudn.com/downloads99/sourcecode/game/404711/tetris.sh__.htm
  4. Copyright (C) xhchen
  5. color definition

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

  1. size & position

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

  1. style definition

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

  1. control signal

sigRotate=25 sigLeft=26 sigRight=27 sigDown=28 sigAllDown=29 sigExit=30

  1. boxes

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

  1. score

iScoreEachLevel=50 #be greater than 7

  1. Runtime data

sig=0 iScore=0 iLevel=0 boxNew=() #new box cBoxNew=0 #new box color iBoxNewType=0 #new box type iBoxNewRotate=0 #new box rotate degree boxCur=() #current box cBoxCur=0 #current box color iBoxCurType=0 #current box type iBoxCurRotate=0 #current box rotate degree boxCurX=-1 #current X position boxCurY=-1 #current Y position iMap=() for ((i = 0; i < iTrayHeight * iTrayWidth; i++)); do iMap[$i]=-1; done RunAsKeyReceiver() { 

  local pidDisplayer key aKey sig cESC sTTY 
  pidDisplayer=$1 
  aKey=(0 0 0) 
  cESC=`echo -ne "\033"` 
  cSpace=`echo -ne "\040"` 
  sTTY=`stty -g` 
   
  trap "MyExit;" INT TERM 
  trap "MyExitNoSub;" $sigExit 
   
  echo -ne "\033[?25l" 
  while : 
  do 
     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 
        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 | $key == "w" ; then sig=$sigRotate 
     elif | $key == "s" ; then sig=$sigDown 
     elif | $key == "a" ; then sig=$sigLeft 
     elif | $key == "d" ; then sig=$sigRight 
     elif [[ "[$key]" == "[]" ]]; then sig=$sigAllDown 
     elif | $key == "q"  
     then 
        MyExit 
     fi 
     if $sig != 0  
     then 
        kill -$sig $pidDisplayer 
     fi 
  done

} MyExitNoSub(){ 

  local y 
  stty $sTTY 
  ((y = iTop + iTrayHeight + 4)) 
  echo -e "\033[?25h\033[${y};0H" 
  exit

} MyExit(){ 

  kill -$sigExit $pidDisplayer 
  MyExitNoSub

} 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;" $sigExit 
  while :
  do 
     for ((i = 0; i < 21 - iLevel; i++)) 
     do 
        usleep 20000 
        sigThis=$sig 
        sig=0 
        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(){ 

  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;

} 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 
  ((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\040\040\033[0m" 
        fi 
     done 
  done

} BoxDown(){ 

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

} 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

} 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

} 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

} 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(){ 

  local i j t bDraw sBox s 
  bDraw=$1 
  s="" 
  if (( bDraw == 0 )) 
  then 
     sBox="\040\040" 
  else 
     sBox="\040\040" 
     s=$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]}))) 
     s=$s"\033[${i};${t}H${sBox}" 
  done 
  s=$s"\033[0m" 
  echo -n $s

} RandomBox(){ 

  local i j t 
  #change current box 
  iBoxCurType=${iBoxNewType} 
  iBoxCurRotate=${iBoxNewRotate} 
  cBoxCur=${cBoxNew} 
  for ((j = 0; j < ${#boxNew[@]}; j++)) 
  do 
     boxCur[$j]=${boxNew[$j]} 
  done 
  if (( ${#boxCur[@]} == 8 )) 
  then 
     #calculate current box's starting position 
     for ((j = 0, t = 4; j < 8; j += 2)) 
     do 
        if ((${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` 
     if ! BoxMove $boxCurY $boxCurX 
     then 
        kill -$sigExit ${PPID} 
        ShowExit 
     fi 
  fi 
  #clear old box 
  for ((j = 0; j < 4; j++)) 
  do 
     ((i = iTop + 1 + j)) 
     ((t = iLeft + 2 * iTrayWidth + 7)) 
     echo -ne "\033[${i};${t}H        " 
  done 
  #get a random new box 
  ((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 % ${#colorTable[@]}]})) 
  #display new box 
  echo -ne "\033[1m\033[7m\033[3${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\040\040" 
  done 
  echo -ne "\033[0m"

} InitDraw(){ 

  clear 
  RandomBox 
  RandomBox 
  local i t1 t2 t3 
  #draw border 
  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\040\040" 
     echo -ne "\033[${t1};${t3}H\040\040" 
  done 
  ((t2 = iTop + iTrayHeight + 2)) 
  for ((i = 0; i < iTrayWidth + 2; i++)) 
  do 
     ((t1 = i * 2 + iLeft + 1)) 
     echo -ne "\033[${iTrayTop};${t1}H\040\040" 
     echo -ne "\033[${t2};${t1}H\040\040" 
  done 
  echo -ne "\033[0m" 
  #draw score & level prompt 
  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"

} ShowExit(){ 

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

}

  1. Start from here.

if $1 != "--go" then 

 $0 --go& 
 RunAsKeyReceiver $! 
 exit

else 

  RunAsDisplayer 
  exit

fi </lang>

Retrieved from "https://rosettacode.org/wiki/Tetris/BASH?oldid=266284"