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ProjectileItem: get NBT as far away as possible

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Dylan K. Taylor
2020-06-18 20:25:19 +01:00
parent b3df5f4e95
commit 0ae357cf8f
6 changed files with 75 additions and 38 deletions
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26
src/item/ProjectileItem.php
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@@ -24,43 +24,23 @@ declare(strict_types=1);
namespace pocketmine\item;
use pocketmine\entity\EntityFactory;
use pocketmine\entity\Location;
use pocketmine\entity\projectile\Throwable;
use pocketmine\event\entity\ProjectileLaunchEvent;
use pocketmine\math\Vector3;
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\player\Player;
use pocketmine\utils\Utils;
use pocketmine\world\sound\ThrowSound;
abstract class ProjectileItem extends Item{
/**
* Returns the entity type that this projectile creates. This should return a ::class extending Throwable.
*
* @return string class extends Throwable
* @phpstan-return class-string<Throwable>
*/
abstract public function getProjectileEntityClass() : string;
abstract public function getThrowForce() : float;
/**
* Helper function to apply extra NBT tags to pass to the created projectile.
*/
protected function addExtraTags(CompoundTag $tag) : void{
}
abstract protected function createEntity(EntityFactory $factory, Location $location, Vector3 $velocity, Player $thrower) : Throwable;
public function onClickAir(Player $player, Vector3 $directionVector) : ItemUseResult{
$location = $player->getLocation();
$nbt = EntityFactory::createBaseNBT($player->getEyePos(), $directionVector, $location->yaw, $location->pitch);
$this->addExtraTags($nbt);
$class = $this->getProjectileEntityClass();
Utils::testValidInstance($class, Throwable::class);
/** @var Throwable $projectile */
$projectile = EntityFactory::getInstance()->create($class, $location->getWorldNonNull(), $nbt, $player);
$projectile = $this->createEntity(EntityFactory::getInstance(), Location::fromObject($player->getEyePos(), $player->getWorld(), $location->yaw, $location->pitch), $directionVector, $player);
$projectile->setMotion($projectile->getMotion()->multiply($this->getThrowForce()));
$projectileEv = new ProjectileLaunchEvent($projectile);