182 lines
5.3 KiB
PHP
182 lines
5.3 KiB
PHP
<?php
|
|
function place_ship_on_map($x1,$y1,$x2,$y2,$map){
|
|
if (($x1 <> $x2) && ($y1 <> $y2)){
|
|
return false;
|
|
}
|
|
|
|
if($x1 == $x2){
|
|
//horizontal ship
|
|
if($y1 <= $y2 ){
|
|
$start=$y1;
|
|
$end=$y2;
|
|
}else{
|
|
$start=$y2;
|
|
$end=$y1;
|
|
}
|
|
for($i = $start; $i <= $end; $i++){
|
|
$map[$i][$x1]=1;
|
|
}
|
|
return $map;
|
|
}
|
|
if($y1 == $y2){
|
|
//vertical ship
|
|
if( $x1 <= $x2){
|
|
$start=$x1;
|
|
$end=$x2;
|
|
}else{
|
|
$start=$x2;
|
|
$end=$x1;
|
|
}
|
|
for( $i = $start; $i <= $end; $i++){
|
|
$map[$y1][$i]=1;
|
|
}
|
|
return $map;
|
|
}
|
|
|
|
}
|
|
switch($_POST['act']){
|
|
case "init":
|
|
$wantedVars=array(
|
|
'match_id' => false, //false-> string ; true -> integer
|
|
'opponent' => false,
|
|
'width' => true,
|
|
'height' => true,
|
|
'ship1' => true,
|
|
'ship2' => true,
|
|
'ship3' => true,
|
|
'ship4' => true,
|
|
'ship5' => true,
|
|
'ship6' => true
|
|
);
|
|
foreach($wantedVars as $key => $shouldBeInteger){
|
|
if(($shouldBeInteger) && (!is_numeric($_POST[$key]))){
|
|
echo "var is not numeric"; die;
|
|
}
|
|
$$key=$_POST[$key];
|
|
}
|
|
if(!preg_match('^[0-9]+-(1|2)$',$match_id)){
|
|
echo "parametre incorrect"; die;
|
|
}
|
|
|
|
//construire une grille
|
|
for($i=0; $i < $width; $i++){
|
|
for($j=0; $j < $height; $j++){
|
|
$map[$i][$j]=0;
|
|
}
|
|
}
|
|
|
|
$shipsCoords=array();
|
|
|
|
//pour toutes les tailles de bateau
|
|
for($shipWidth = 6; $shipWidth >= 0; $shipWidth--){
|
|
//nombre de bateau à placer de cette taille
|
|
$dynVar='ship'.$shipWidth;
|
|
$shipCount=$$dynVar; // #trollface
|
|
for( $sh = 0; $sh < $shipCount; $sh++){
|
|
$directions=array();
|
|
while( count($directions) == 0){
|
|
|
|
do{
|
|
$xtest=rand(0,$width -1);
|
|
$ytest=rand(0,$height -1);
|
|
}while($map[$ytest][$xtest] == 1);
|
|
|
|
//Y a t'il la place pour le bateau vers le haut?
|
|
if($ytest < $shipWidth){
|
|
$top=false;
|
|
}else{
|
|
$top=true;
|
|
for($i = $ytest; $i > $ytest - $shipWidth; $i--){
|
|
if($map[$i][$xtest] == 1){
|
|
$top=false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//vers le bas
|
|
if($ytest + $shipWidth > $height){
|
|
$bottom=false;
|
|
}else{
|
|
$bottom=true;
|
|
for($y=$ytest; $i < $ytest + $shipWidth; $i++){
|
|
if($map[$i][$xtest] == 1){
|
|
$bottom=false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//droite
|
|
if($xtest + $shipWidth > $width){
|
|
$rigth=false;
|
|
}else{
|
|
$right=true;
|
|
for($i = $xtest; $i < $xtest + $shipWidth; $i++){
|
|
if($map[$ytest][$i] == 1){
|
|
$right= false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
//gauche
|
|
if($xtest < $shipWidth){
|
|
$left=false;
|
|
}else{
|
|
$left=true;
|
|
for($i = $xtest; $i > $xtest - $shipWidth; $i--){
|
|
if($map[$ytest][$i] == 1){
|
|
$left= false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
$directions=array();
|
|
if($top){
|
|
$directions[]='top';
|
|
}
|
|
if($bottom){
|
|
$directions[]='bottom';
|
|
}
|
|
if($left){
|
|
$directions[]='left';
|
|
}
|
|
if($right){
|
|
$directions[]='right';
|
|
}
|
|
}
|
|
|
|
shuffle($directions);
|
|
switch($directions[0]){
|
|
case 'top':
|
|
$shipsCoords[]=$xtest.",".$ytest."-".$xtest.",".($ytest - $shipWidth);
|
|
$map= place_ship_on_map($xtest,$ytest,$xtest,$ytest - $shipWidth,$map);
|
|
break;
|
|
case 'bottom':
|
|
$shipsCoords[]=$xtest.",".$ytest."-".$xtest.",".($ytest + $shipWidth);
|
|
$map= place_ship_on_map($xtest,$ytest,$xtest,$ytest + $shipWidth,$map);
|
|
break;
|
|
case 'left':
|
|
$shipsCoords[]=$xtest.",".$ytest."-".($xtest - $shipWidth).",".$ytest;
|
|
$map= place_ship_on_map($xtest,$ytest,$xtest - $shipWidth ,$ytest,$map);
|
|
break;
|
|
case 'right':
|
|
$shipsCoords[]=$xtest.",".$ytest."-".($xtest + $shipWidth).",".$ytest;
|
|
$map= place_ship_on_map($xtest,$ytest,$xtest + $shipWidth ,$ytest,$map);
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
print_r($shipsCoords);
|
|
break;
|
|
default:
|
|
break;
|
|
|
|
}
|