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EntityDamageByEntityEvent: added APIs to get and set vertical knockback limits

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this was requested and PR'd as far back as 2020 (see #3782).
Since no issue was filed about this, it became forgotten until #5946.
However, #5946 overcomplicates the solution to the problem, and breaks BC without an obvious reason.
This commit is contained in:
Dylan K. Taylor
2023-07-28 12:52:15 +01:00
parent c972e65741
commit 5ec3f4655f
2 changed files with 29 additions and 3 deletions
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28
src/event/entity/EntityDamageByEntityEvent.php
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@ -36,7 +36,15 @@ class EntityDamageByEntityEvent extends EntityDamageEvent{
/**
* @param float[] $modifiers
*/
public function __construct(Entity $damager, Entity $entity, int $cause, float $damage, array $modifiers = [], private float $knockBack = Living::DEFAULT_KNOCKBACK_FORCE){
public function __construct(
Entity $damager,
Entity $entity,
int $cause,
float $damage,
array $modifiers = [],
private float $knockBack = Living::DEFAULT_KNOCKBACK_FORCE,
private float $verticalKnockBackLimit = Living::DEFAULT_KNOCKBACK_VERTICAL_LIMIT
){
$this->damagerEntityId = $damager->getId();
parent::__construct($entity, $cause, $damage, $modifiers);
$this->addAttackerModifiers($damager);
@ -79,4 +87,22 @@ class EntityDamageByEntityEvent extends EntityDamageEvent{
public function setKnockBack(float $knockBack) : void{
$this->knockBack = $knockBack;
}
/**
* Returns the maximum upwards velocity the victim may have after being knocked back.
* This ensures that the victim doesn't fly up into the sky when high levels of knockback are applied.
*
* @see Living::DEFAULT_KNOCKBACK_VERTICAL_LIMIT
*/
public function getVerticalKnockBackLimit() : float{
return $this->verticalKnockBackLimit;
}
/**
* Sets the maximum upwards velocity the victim may have after being knocked back.
* Larger values will allow the victim to fly higher if the knockback force is also large.
*/
public function setVerticalKnockBackLimit(float $verticalKnockBackLimit) : void{
$this->verticalKnockBackLimit = $verticalKnockBackLimit;
}
}