package net.minecraft.world.item; import java.util.List; import net.minecraft.advancements.triggers.CriteriaTriggers; import net.minecraft.core.BlockPos; import net.minecraft.server.level.ServerPlayer; import net.minecraft.sounds.SoundEvents; import net.minecraft.sounds.SoundSource; import net.minecraft.stats.Stats; import net.minecraft.tags.FluidTags; import net.minecraft.world.InteractionHand; import net.minecraft.world.InteractionResult; import net.minecraft.world.entity.AreaEffectCloud; import net.minecraft.world.entity.boss.enderdragon.EnderDragon; import net.minecraft.world.entity.player.Player; import net.minecraft.world.item.alchemy.PotionContents; import net.minecraft.world.item.alchemy.Potions; import net.minecraft.world.level.ClipContext; import net.minecraft.world.level.Level; import net.minecraft.world.level.gameevent.GameEvent; import net.minecraft.world.phys.BlockHitResult; import net.minecraft.world.phys.HitResult; public class BottleItem extends Item { public BottleItem(final Item.Properties properties) { super(properties); } @Override public InteractionResult use(final Level level, final Player player, final InteractionHand hand) { List clouds = level.getEntitiesOfClass( AreaEffectCloud.class, player.getBoundingBox().inflate(2.0), input -> input.isAlive() && input.getOwner() instanceof EnderDragon ); ItemStack itemStack = player.getItemInHand(hand); if (!clouds.isEmpty()) { AreaEffectCloud cloud = (AreaEffectCloud)clouds.get(0); cloud.setRadius(cloud.getRadius() - 0.5F); level.playSound(null, player.getX(), player.getY(), player.getZ(), SoundEvents.BOTTLE_FILL_DRAGONBREATH, SoundSource.NEUTRAL, 1.0F, 1.0F); level.gameEvent(player, GameEvent.FLUID_PICKUP, player.position()); if (player instanceof ServerPlayer serverPlayer) { CriteriaTriggers.PLAYER_INTERACTED_WITH_ENTITY.trigger(serverPlayer, itemStack, cloud); } return InteractionResult.SUCCESS.heldItemTransformedTo(this.turnBottleIntoItem(itemStack, player, new ItemStack(Items.DRAGON_BREATH))); } else { BlockHitResult hitResult = getPlayerPOVHitResult(level, player, ClipContext.Fluid.SOURCE_ONLY); if (hitResult.getType() == HitResult.Type.MISS) { return InteractionResult.PASS; } else { if (hitResult.getType() == HitResult.Type.BLOCK) { BlockPos pos = hitResult.getBlockPos(); if (!level.mayInteract(player, pos)) { return InteractionResult.PASS; } if (level.getFluidState(pos).is(FluidTags.WATER)) { level.playSound(player, player.getX(), player.getY(), player.getZ(), SoundEvents.BOTTLE_FILL, SoundSource.NEUTRAL, 1.0F, 1.0F); level.gameEvent(player, GameEvent.FLUID_PICKUP, pos); return InteractionResult.SUCCESS .heldItemTransformedTo(this.turnBottleIntoItem(itemStack, player, PotionContents.createItemStack(Items.POTION, Potions.WATER))); } } return InteractionResult.PASS; } } } protected ItemStack turnBottleIntoItem(final ItemStack itemStack, final Player player, final ItemStack itemStackToTurnInto) { player.awardStat(Stats.ITEM_USED.get(this)); return ItemUtils.createFilledResult(itemStack, player, itemStackToTurnInto); } }