Implement Ice Bomb (#5452)

Co-authored-by: Dylan K. Taylor <dktapps@pmmp.io>

src/data/bedrock/item/ItemSerializerDeserializerRegistrar.php

@@ -266,6 +266,7 @@ final class ItemSerializerDeserializerRegistrar{
 		$this->map1to1Item(Ids::HONEY_BOTTLE, Items::HONEY_BOTTLE());
 		$this->map1to1Item(Ids::HONEYCOMB, Items::HONEYCOMB());
 		$this->map1to1Item(Ids::HOST_ARMOR_TRIM_SMITHING_TEMPLATE, Items::HOST_ARMOR_TRIM_SMITHING_TEMPLATE());
+		$this->map1to1Item(Ids::ICE_BOMB, Items::ICE_BOMB());
 		$this->map1to1Item(Ids::INK_SAC, Items::INK_SAC());
 		$this->map1to1Item(Ids::IRON_AXE, Items::IRON_AXE());
 		$this->map1to1Item(Ids::IRON_BOOTS, Items::IRON_BOOTS());

src/entity/EntityFactory.php

@@ -43,6 +43,7 @@ use pocketmine\entity\projectile\Arrow;
 use pocketmine\entity\projectile\Egg;
 use pocketmine\entity\projectile\EnderPearl;
 use pocketmine\entity\projectile\ExperienceBottle;
+use pocketmine\entity\projectile\IceBomb;
 use pocketmine\entity\projectile\Snowball;
 use pocketmine\entity\projectile\SplashPotion;
 use pocketmine\item\Item;
@@ -120,6 +121,10 @@ final class EntityFactory{
 			return new FallingBlock(Helper::parseLocation($nbt, $world), FallingBlock::parseBlockNBT(RuntimeBlockStateRegistry::getInstance(), $nbt), $nbt);
 		}, ['FallingSand', 'minecraft:falling_block']);
 
+		$this->register(IceBomb::class, function(World $world, CompoundTag $nbt) : IceBomb{
+			return new IceBomb(Helper::parseLocation($nbt, $world), null, $nbt);
+		}, ['minecraft:ice_bomb']);
+
 		$this->register(ItemEntity::class, function(World $world, CompoundTag $nbt) : ItemEntity{
 			$itemTag = $nbt->getCompoundTag(ItemEntity::TAG_ITEM);
 			if($itemTag === null){

src/entity/projectile/IceBomb.php

@@ -0,0 +1,86 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+ */
+
+declare(strict_types=1);
+
+namespace pocketmine\entity\projectile;
+
+use pocketmine\block\Block;
+use pocketmine\block\BlockTypeIds;
+use pocketmine\block\VanillaBlocks;
+use pocketmine\event\entity\ProjectileHitEvent;
+use pocketmine\item\VanillaItems;
+use pocketmine\math\AxisAlignedBB;
+use pocketmine\math\RayTraceResult;
+use pocketmine\math\Vector3;
+use pocketmine\network\mcpe\protocol\types\entity\EntityIds;
+use pocketmine\world\particle\ItemBreakParticle;
+use pocketmine\world\sound\IceBombHitSound;
+
+class IceBomb extends Throwable{
+	public static function getNetworkTypeId() : string{ return EntityIds::ICE_BOMB; }
+
+	public function getResultDamage() : int{
+		return -1;
+	}
+
+	protected function calculateInterceptWithBlock(Block $block, Vector3 $start, Vector3 $end) : ?RayTraceResult{
+		if($block->getTypeId() === BlockTypeIds::WATER){
+			$pos = $block->getPosition();
+
+			return AxisAlignedBB::one()->offset($pos->x, $pos->y, $pos->z)->calculateIntercept($start, $end);
+		}
+
+		return parent::calculateInterceptWithBlock($block, $start, $end);
+	}
+
+	protected function onHit(ProjectileHitEvent $event) : void{
+		$world = $this->getWorld();
+		$pos = $this->location;
+
+		$world->addSound($pos, new IceBombHitSound());
+		$itemBreakParticle = new ItemBreakParticle(VanillaItems::ICE_BOMB());
+		for($i = 0; $i < 6; ++$i){
+			$world->addParticle($pos, $itemBreakParticle);
+		}
+	}
+
+	protected function onHitBlock(Block $blockHit, RayTraceResult $hitResult) : void{
+		parent::onHitBlock($blockHit, $hitResult);
+
+		$pos = $blockHit->getPosition();
+		$world = $pos->getWorld();
+		$posX = $pos->getFloorX();
+		$posY = $pos->getFloorY();
+		$posZ = $pos->getFloorZ();
+
+		$ice = VanillaBlocks::ICE();
+		for($x = $posX - 1; $x <= $posX + 1; $x++){
+			for($y = $posY - 1; $y <= $posY + 1; $y++){
+				for($z = $posZ - 1; $z <= $posZ + 1; $z++){
+					if($world->getBlockAt($x, $y, $z)->getTypeId() === BlockTypeIds::WATER){
+						$world->setBlockAt($x, $y, $z, $ice);
+					}
+				}
+			}
+		}
+	}
+}

src/item/IceBomb.php

@@ -0,0 +1,48 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+ */
+
+declare(strict_types=1);
+
+namespace pocketmine\item;
+
+use pocketmine\entity\Location;
+use pocketmine\entity\projectile\IceBomb as IceBombEntity;
+use pocketmine\entity\projectile\Throwable;
+use pocketmine\player\Player;
+
+class IceBomb extends ProjectileItem{
+
+	public function getMaxStackSize() : int{
+		return 16;
+	}
+
+	protected function createEntity(Location $location, Player $thrower) : Throwable{
+		return new IceBombEntity($location, $thrower);
+	}
+
+	public function getThrowForce() : float{
+		return 1.5;
+	}
+
+	public function getCooldownTicks() : int{
+		return 10;
+	}
+}

src/item/ItemTypeIds.php

@@ -326,8 +326,9 @@ final class ItemTypeIds{
 	public const NAME_TAG = 20287;
 	public const GOAT_HORN = 20288;
 	public const END_CRYSTAL = 20289;
+	public const ICE_BOMB = 20290;
 
-	public const FIRST_UNUSED_ITEM_ID = 20290;
+	public const FIRST_UNUSED_ITEM_ID = 20291;
 
 	private static int $nextDynamicId = self::FIRST_UNUSED_ITEM_ID;
 

src/item/StringToItemParser.php

@@ -1378,6 +1378,7 @@ final class StringToItemParser extends StringToTParser{
 		$result->register("honey_bottle", fn() => Items::HONEY_BOTTLE());
 		$result->register("host_armor_trim_smithing_template", fn() => Items::HOST_ARMOR_TRIM_SMITHING_TEMPLATE());
 		$result->register("honeycomb", fn() => Items::HONEYCOMB());
+		$result->register("ice_bomb", fn() => Items::ICE_BOMB());
 		$result->register("ink_sac", fn() => Items::INK_SAC());
 		$result->register("iron_axe", fn() => Items::IRON_AXE());
 		$result->register("iron_boots", fn() => Items::IRON_BOOTS());

src/item/VanillaItems.php

@@ -192,6 +192,7 @@ use function strtolower;
  * @method static Item HONEYCOMB()
  * @method static HoneyBottle HONEY_BOTTLE()
  * @method static Item HOST_ARMOR_TRIM_SMITHING_TEMPLATE()
+ * @method static IceBomb ICE_BOMB()
  * @method static Item INK_SAC()
  * @method static Axe IRON_AXE()
  * @method static Armor IRON_BOOTS()
@@ -504,6 +505,7 @@ final class VanillaItems{
 		self::register("heart_of_the_sea", fn(IID $id) => new Item($id, "Heart of the Sea"));
 		self::register("honey_bottle", fn(IID $id) => new HoneyBottle($id, "Honey Bottle"));
 		self::register("honeycomb", fn(IID $id) => new Item($id, "Honeycomb"));
+		self::register("ice_bomb", fn(IID $id) => new IceBomb($id, "Ice Bomb"));
 		self::register("ink_sac", fn(IID $id) => new Item($id, "Ink Sac"));
 		self::register("iron_ingot", fn(IID $id) => new Item($id, "Iron Ingot"));
 		self::register("iron_nugget", fn(IID $id) => new Item($id, "Iron Nugget"));

src/world/sound/IceBombHitSound.php

@@ -0,0 +1,34 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+ */
+
+declare(strict_types=1);
+
+namespace pocketmine\world\sound;
+
+use pocketmine\math\Vector3;
+use pocketmine\network\mcpe\protocol\LevelSoundEventPacket;
+use pocketmine\network\mcpe\protocol\types\LevelSoundEvent;
+
+final class IceBombHitSound implements Sound{
+	public function encode(Vector3 $pos) : array{
+		return [LevelSoundEventPacket::nonActorSound(LevelSoundEvent::ICEBOMB_HIT, $pos, false)];
+	}
+}