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Player: aDd a HacK foR CliEnt SidE rIghT cLicK SpaM BuG

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this bug has existed for so long I forgot it was still here. People stopped pestering me to do something about it, and as a result I forgot to do anything about it.

This hack isn't perfect, but it filters out the worst of the noise. It has side effects for legitimate fast double-clicks, but I don't think anyone will be too bothered - just click more slowly.

This hack may also have negative side effects on poor connections where latency spikes are a problem, but there isn't really much that can be done about that.
This commit is contained in:
Dylan K. Taylor 2018-12-31 19:16:13 +00:00
parent 2921c86b3c
commit 1393b4c4e2
1 changed files with 18 additions and 0 deletions
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18
src/pocketmine/Player.php
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@ -327,6 +327,11 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
/** @var Form[] */
protected $forms = [];
/** @var float */
protected $lastRightClickTime = 0.0;
/** @var Vector3|null */
protected $lastRightClickPos = null;
/**
* @return TranslationContainer|string
*/
@ -2333,6 +2338,19 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
$type = $packet->trData->actionType;
switch($type){
case InventoryTransactionPacket::USE_ITEM_ACTION_CLICK_BLOCK:
//TODO: start hack for client spam bug
$spamBug = ($this->lastRightClickPos !== null and
microtime(true) - $this->lastRightClickTime < 0.1 and //100ms
$this->lastRightClickPos->distanceSquared($packet->trData->clickPos) < 0.00001 //signature spam bug has 0 distance, but allow some error
);
//get rid of continued spam if the player clicks and holds right-click
$this->lastRightClickPos = clone $packet->trData->clickPos;
$this->lastRightClickTime = microtime(true);
if($spamBug){
return true;
}
//TODO: end hack for client spam bug
$this->setUsingItem(false);
if(!$this->canInteract($blockVector->add(0.5, 0.5, 0.5), 13) or $this->isSpectator()){