Solved PlayerSkinPacket crashes client

When I`m trying to set skin of my NPC client crashes, but NPC spawns correctly, so without changing skin everything is fine. I have no errors in console. P.S. Before updating to mc 1.5 from 1.4 everything was fine.
How I create skin

PHP:

$bytes = '';
            $l = (int) @getimagesize($img_path)[1];
            for ($y = 0; $y < $l; $y++) {
                for ($x = 0; $x < 64; $x++) {
                    $rgba = @imagecolorat($img, $x, $y);
                    $a = ((~((int) ($rgba >> 24))) << 1) & 0xff;
                    $r = ($rgba >> 16) & 0xff;
                    $g = ($rgba >> 8) & 0xff;
                    $b = $rgba & 0xff;
                    $bytes .= chr($r) . chr($g) . chr($b) . chr($a);
                }
            }
            @imagedestroy($img);
            $skin = new Skin('Standard_Custom', $bytes);

How I send skin

PHP:

$pk = new PlayerSkinPacket();
        $pk->uuid = $this->uuid;
        $pk->skin = $this->skin;
        $target->sendDataPacket($pk);

 

Have you checked the length of $bytes, and your values for alpha are valid?

 

checked with Skin::isValid(). How should I check if alpha is valid?

 

Try to use PlayerListPacket instead of PlayerSkinPacket:
https://github.com/pmmp/PocketMine-MP/commit/4a5ff32d2ebe6a3c8365dcb0eb041d12cd329b2d

 

I don`t want to show npc names in players list

 

Look at how FloatingTextParticle handles it:
https://github.com/pmmp/PocketMine-...l/particle/FloatingTextParticle.php#L118-L120

 

It works, thx. But anyway I want to know why PlayerSkinPacket crashes client