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Correctly interpret binaryString as a sequence of uint32-le values

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The previous implementation was ignoring the 3 most significant bytes of each value and would result on improper parsing of any map with tile ids higher than 255
This commit is contained in:
Lisandro Lorea 2015-09-14 20:38:58 -03:00
parent a8e972b25a
commit f52ca58d7d
1 changed files with 6 additions and 1 deletions
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7
src/tilemap/TilemapParser.js
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@ -239,8 +239,13 @@ Phaser.TilemapParser = {
var binaryString = window.atob(curl.data); var binaryString = window.atob(curl.data);
var len = binaryString.length; var len = binaryString.length;
var bytes = new Array( len ); var bytes = new Array( len );
// Interpret binaryString as an array of bytes representing
// little-endian encoded uint32 values.
for (var i = 0; i < len; i+=4) { for (var i = 0; i < len; i+=4) {
bytes[i/4] = binaryString.charCodeAt(i); bytes[i/4] = binaryString.charCodeAt(i) |
binaryString.charCodeAt(i+1) << 8 |
binaryString.charCodeAt(i+2) << 16 |
binaryString.charCodeAt(i+3) << 24;
} }
curl.data = bytes; curl.data = bytes;
} }