php实现的简易扫雷游戏实例_php技巧

<?php 
$init = $_POST["init"];//game restart 
$clickvalue = $_POST["clickvalue"];//minesweeping 
$checkflag = 0;//Victory or defeat 
$click_count = 0;//clicks count 
if($init == null && $clickvalue == null){//initialization 
  $_POST = array();//set POST with a array 
  $_POST["rows"] = 9;//set rows 
  $_POST["cols"] = 9;//set cols 
  $_POST["num"] = 10;//set num 
  $_POST["timeshow"] = "00:00"; //set starttime 
  $init = true;//set initialization 
} 
$rows = $_POST["rows"];//get rows 
$cols = $_POST["cols"];//get cols 
$num = $_POST["num"];//get num 
$starttime = $_POST["starttime"];//get starttime 
if($init){// is initialization 
  $timeshow = "00:00";//set starttime 
  $data = array();//data initialization 
  for($i=0;$i<$rows;$i++){//all the rows 
    for($j=0;$j<$cols;$j++){//all the cols 
      $data["data".$i."_".$j] = 0;//set mine with null 
      $data["open".$i."_".$j] = 0;//set node with close 
    } 
  } 
  $i=0;//reset the index,and set the mines(Random setting) 
  while($i < $num){//number of mine 
    $r = rand(0,$rows - 1);//row's index 
    $c = rand(0,$cols - 1);//col's index 
    if($data["data".$r."_".$c] == 0){//if not a mine 
      $data["data".$r."_".$c] = 100;//set the node with a mine 
      $i++; 
    } 
  } 
  for($i=0;$i<$rows;$i++){//all the rows 
    for($j=0;$j<$cols;$j++){//all the cols 
      if($data["data".$i."_".$j] == 100)continue;
      //is not a mine , set number of adjacent mines  
      $cnt = 0; 
      if($i - 1 >= 0 && $j - 1 >= 0 && $data["data".($i - 1)."_".($j - 1)] == 100)$cnt++;//upper left 
      if($i - 1 >= 0 && $data["data".($i - 1)."_".$j] == 100)$cnt++;//left 
      if($i - 1 >= 0 && $j + 1 < $cols && $data["data".($i - 1)."_".($j + 1)] == 100)$cnt++;//lower left 
      if($j - 1 >= 0 && $data["data".$i."_".($j - 1)] == 100)$cnt++;//upper 
      if($j + 1 < $cols && $data["data".$i."_".($j + 1)] == 100)$cnt++;//lower 
      if($i + 1 < $rows && $j - 1 >= 0 && $data["data".($i + 1)."_".($j - 1)] == 100)$cnt++;//upper right 
      if($i + 1 < $rows && $data["data".($i + 1)."_".$j] == 100)$cnt++;//right 
      if($i + 1 < $rows && $j + 1 < $cols && $data["data".($i + 1)."_".($j + 1)] == 100)$cnt++;//lower right 
      $data["data".$i."_".$j] = $cnt;//set number 
    } 
  } 
}else{ 
  $data = $_POST;//get data 
  if($data["data".$clickvalue] == 100){
  //check the value of users click 
    $checkflag = 2;//if click on a mine,gameover 
    for($i=0;$i<$rows;$i++){//all the rows 
      for($j=0;$j<$cols;$j++){//all the cols 
        $data["open".$i."_".$j] = 1;
        //set all nodes to open 
      } 
    } 
  }else{ 
    $node = explode("_", $clickvalue);//get the node of click 
    openNode($node[0],$node[1]);//set nodes to open 
    for($i=0;$i<$rows;$i++){//all the rows 
      for($j=0;$j<$cols;$j++){//all the cols  
        if($data["open".$i."_".$j] == 1)$click_count++;
        //get the number of opennode  
      } 
    } 
    if($rows*$cols - $click_count == $num)$checkflag = 1;
    //if all the node is open,game clear  
  } 
} 
if($checkflag == 0 && $click_count == 1){
//if game is start ,time start 
  $starttime = date("H:i:s"); 
} 
if($starttime){//Computing time and display 
  $now = date("H:i:s"); 
  $nowlist = explode(":",$now); 
  $starttimelist = explode(":",$starttime); 
  $time_count = $nowlist[0]*3600+$nowlist[1]*60 + $nowlist[2] - ($starttimelist[0]*3600+$starttimelist[1]*60 + $starttimelist[2]);
  $min = floor($time_count / 60); 
  $sec = $time_count % 60; 
  $timeshow = ($min>9?$min:"0".$min).":".($sec>9?$sec:"0".$sec); 
}else{ 
  $timeshow = "00:00";//if game is stop , time stop 
} 
function openNode($i,$j){//set nodes to open,if it is can open 
  global $rows;//get the rows 
  global $cols;//get the cols 
  global $data;//get the data 
  if($i < 0 || $i >= $rows || $j < 0 || $j >= $cols || $data["open".$i."_".$j])return;
  //it is not a node,or it has been opened 
  $data["open".$i."_".$j] = 1;//open the node 
  if($data["data".$i."_".$j] > 0)return;//need to continue? 
  openNode($i - 1,$j - 1); 
  openNode($i - 1,$j); 
  openNode($i - 1,$j + 1); 
  openNode($i,$j - 1); 
  openNode($i,$j + 1); 
  openNode($i + 1,$j - 1); 
  openNode($i + 1,$j); 
  openNode($i + 1,$j + 1); 
} 
?> 
 
 
 
 
 
 
 
 
 

希望本文所述对大家的php程序设计有所帮助。