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Fixed possible memory leak with projectiles, use owner/target metadata

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This commit is contained in:
Dylan K. Taylor
2017-05-07 16:27:58 +01:00
parent c383c7b0dd
commit 4ccd955647
3 changed files with 80 additions and 14 deletions
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74
src/pocketmine/entity/Entity.php
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@ -533,6 +533,80 @@ abstract class Entity extends Location implements Metadatable{
$this->setDataFlag(self::DATA_FLAGS, self::DATA_FLAG_WALLCLIMBING, $value);
}
/**
* Returns the entity ID of the owning entity, or null if the entity doesn't have an owner.
* @return int|string|null
*/
public function getOwningEntityId(){
return $this->getDataProperty(self::DATA_OWNER_EID);
}
/**
* Returns the owning entity, or null if the entity was not found.
* @return Entity|null
*/
public function getOwningEntity(){
$eid = $this->getOwningEntityId();
if($eid !== null){
return $this->server->findEntity($eid, $this->level);
}
return null;
}
/**
* Sets the owner of the entity.
*
* @param Entity $owner
*
* @throws \InvalidArgumentException if the supplied entity is not valid
*/
public function setOwningEntity(Entity $owner){
if($owner->closed){
throw new \InvalidArgumentException("Supplied owning entity is garbage and cannot be used");
}
$this->setDataProperty(self::DATA_OWNER_EID, self::DATA_TYPE_LONG, $owner->getId());
}
/**
* Returns the entity ID of the entity's target, or null if it doesn't have a target.
* @return int|string|null
*/
public function getTargetEntityId(){
return $this->getDataProperty(self::DATA_TARGET_EID);
}
/**
* Returns the entity's target entity, or null if not found.
* This is used for things like hostile mobs attacking entities, and for fishing rods reeling hit entities in.
*
* @return Entity|null
*/
public function getTargetEntity(){
$eid = $this->getTargetEntityId();
if($eid !== null){
return $this->server->findEntity($eid, $this->level);
}
return null;
}
/**
* Sets the entity's target entity.
*
* @param Entity $target
*
* @throws \InvalidArgumentException if the target entity is not valid
*/
public function setTargetEntity(Entity $target){
if($target->closed){
throw new \InvalidArgumentException("Supplied target entity is garbage and cannot be used");
}
$this->setDataProperty(self::DATA_TARGET_EID, self::DATA_TYPE_LONG, $target->getId());
}
/**
* @return Effect[]
*/