public function addEffect(Effect $effect)
{
Server::getInstance()->getPluginManager()->callEvent($ev = new EntityEffectAddEvent($this, $effect));
if ($ev->isCancelled()) {
return false;
}
if ($effect->getId() === Effect::HEALTH_BOOST) {
$this->setHealth($this->getHealth() + 4 * ($effect->getAmplifier() + 1));
}
if ($effect->getId() === Effect::ABSORPTION and $this instanceof Human) {
$this->setAbsorption(4 * ($effect->getAmplifier() + 1));
}
if (isset($this->effects[$effect->getId()])) {
$oldEffect = $this->effects[$effect->getId()];
if ($effect->getAmplifier() <= $oldEffect->getAmplifier() and $effect->getDuration() < $oldEffect->getDuration()) {
return;
}
$effect->add($this, true, $oldEffect);
} else {
$effect->add($this, false);
}
$this->effects[$effect->getId()] = $effect;
$this->recalculateEffectColor();
return true;
}
public function add(Entity $entity, $modify = false, Effect $oldEffect = null)
{
$entity->getLevel()->getServer()->getPluginManager()->callEvent($ev = new EntityEffectAddEvent($entity, $this, $modify, $oldEffect));
if ($ev->isCancelled()) {
return;
}
if ($entity instanceof Player) {
$pk = new MobEffectPacket();
$pk->eid = 0;
$pk->effectId = $this->getId();
$pk->amplifier = $this->getAmplifier();
$pk->particles = $this->isVisible();
$pk->duration = $this->getDuration();
if ($ev->willModify()) {
$pk->eventId = MobEffectPacket::EVENT_MODIFY;
} else {
$pk->eventId = MobEffectPacket::EVENT_ADD;
}
$entity->dataPacket($pk);
}
if ($this->id === Effect::INVISIBILITY) {
$entity->setDataFlag(Entity::DATA_FLAGS, Entity::DATA_FLAG_INVISIBLE, true);
$entity->setNameTagVisible(false);
} elseif ($this->id === Effect::SPEED) {
$attr = $entity->getAttributeMap()->getAttribute(Attribute::MOVEMENT_SPEED);
if ($ev->willModify() and $oldEffect !== null) {
$speed = $attr->getValue() / (1 + 0.2 * $oldEffect->getAmplifier());
} else {
$speed = $attr->getValue();
}
$speed *= 1 + 0.2 * $this->amplifier;
$attr->setValue($speed);
} elseif ($this->id === Effect::SLOWNESS) {
$attr = $entity->getAttributeMap()->getAttribute(Attribute::MOVEMENT_SPEED);
if ($ev->willModify() and $oldEffect !== null) {
$speed = $attr->getValue() / (1 - 0.15 * $oldEffect->getAmplifier());
} else {
$speed = $attr->getValue();
}
$speed *= 1 - 0.15 * $this->amplifier;
$attr->setValue($speed);
}
}
