<?php
declare(strict_types=1);
function getMapData($map,$possibleTiles){
if(isset($_SESSION['mapData'])){
return $_SESSION['mapData'];
}
$mapData = '';
mt_srand(1337);
for($y = 0;$y < $map['height'];$y++){
for($x = 0;$x<$map['width'];$x++){
$mapData .= mt_rand(0,count($possibleTiles)-1);
}
}
$_SESSION['mapData'] = $mapData;
return $mapData;
}
function viewMap() {
$tile = [
'width'=>64,
'height'=>64
];
$viewPort = [
'width'=>17,
'height'=>9
];
$map = [
'width'=>500,
'height'=>500
];
$currentPosition = [
'y'=>0,
'x'=>0
];
$possibleTiles = [
'gras',
'water',
'dirt'
];
$mapData = getMapData($map,$possibleTiles);
$halfViewPortWidth = floor($viewPort['width'] / 2);
$halfViewPortHeight = floor($viewPort['height'] / 2);
$viewPort['left'] = $currentPosition['x'] - $halfViewPortWidth;
$viewPort['top'] = $currentPosition['y'] - $halfViewPortHeight;
$viewPort['right'] = $viewPort['left'] + $viewPort['width'];
$viewPort['bottom'] = $viewPort['top'] + $viewPort['height'];
$data = [
'viewPort'=>$viewPort,
'tile'=>$tile,
'possibleTiles'=>$possibleTiles,
'mapData'=>$mapData,
'map'=>$map
];
return render('map', $data);
}
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