package net.minecraft.world.item; import java.util.List; import net.minecraft.advancements.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.Level; import net.minecraft.world.level.ClipContext.Fluid; import net.minecraft.world.level.gameevent.GameEvent; import net.minecraft.world.phys.BlockHitResult; import net.minecraft.world.phys.HitResult.Type; public class BottleItem extends Item { public BottleItem(Item.Properties properties) { super(properties); } @Override public InteractionResult use(Level level, Player player, InteractionHand interactionHand) { List list = level.getEntitiesOfClass( AreaEffectCloud.class, player.getBoundingBox().inflate(2.0), areaEffectCloud -> areaEffectCloud != null && areaEffectCloud.isAlive() && areaEffectCloud.getOwner() instanceof EnderDragon ); ItemStack itemStack = player.getItemInHand(interactionHand); if (!list.isEmpty()) { AreaEffectCloud areaEffectCloud = (AreaEffectCloud)list.get(0); areaEffectCloud.setRadius(areaEffectCloud.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, areaEffectCloud); } return InteractionResult.SUCCESS.heldItemTransformedTo(this.turnBottleIntoItem(itemStack, player, new ItemStack(Items.DRAGON_BREATH))); } else { BlockHitResult blockHitResult = getPlayerPOVHitResult(level, player, Fluid.SOURCE_ONLY); if (blockHitResult.getType() == Type.MISS) { return InteractionResult.PASS; } else { if (blockHitResult.getType() == Type.BLOCK) { BlockPos blockPos = blockHitResult.getBlockPos(); if (!level.mayInteract(player, blockPos)) { return InteractionResult.PASS; } if (level.getFluidState(blockPos).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, blockPos); return InteractionResult.SUCCESS .heldItemTransformedTo(this.turnBottleIntoItem(itemStack, player, PotionContents.createItemStack(Items.POTION, Potions.WATER))); } } return InteractionResult.PASS; } } } protected ItemStack turnBottleIntoItem(ItemStack bottleStack, Player player, ItemStack filledBottleStack) { player.awardStat(Stats.ITEM_USED.get(this)); return ItemUtils.createFilledResult(bottleStack, player, filledBottleStack); } }