package net.minecraft.world.item; import java.util.Optional; import java.util.function.Consumer; import net.minecraft.ChatFormatting; import net.minecraft.core.BlockPos; import net.minecraft.core.Direction; import net.minecraft.core.Holder; import net.minecraft.core.component.DataComponents; import net.minecraft.network.chat.Component; import net.minecraft.world.InteractionResult; import net.minecraft.world.entity.EntityType; import net.minecraft.world.entity.decoration.GlowItemFrame; import net.minecraft.world.entity.decoration.HangingEntity; import net.minecraft.world.entity.decoration.ItemFrame; import net.minecraft.world.entity.decoration.Painting; import net.minecraft.world.entity.decoration.PaintingVariant; import net.minecraft.world.entity.player.Player; import net.minecraft.world.item.component.TooltipDisplay; import net.minecraft.world.item.context.UseOnContext; import net.minecraft.world.level.Level; import net.minecraft.world.level.gameevent.GameEvent; public class HangingEntityItem extends Item { private static final Component TOOLTIP_RANDOM_VARIANT = Component.translatable("painting.random").withStyle(ChatFormatting.GRAY); private final EntityType type; public HangingEntityItem(EntityType type, Item.Properties properties) { super(properties); this.type = type; } @Override public InteractionResult useOn(UseOnContext context) { BlockPos blockPos = context.getClickedPos(); Direction direction = context.getClickedFace(); BlockPos blockPos2 = blockPos.relative(direction); Player player = context.getPlayer(); ItemStack itemStack = context.getItemInHand(); if (player != null && !this.mayPlace(player, direction, itemStack, blockPos2)) { return InteractionResult.FAIL; } else { Level level = context.getLevel(); HangingEntity hangingEntity; if (this.type == EntityType.PAINTING) { Optional optional = Painting.create(level, blockPos2, direction); if (optional.isEmpty()) { return InteractionResult.CONSUME; } hangingEntity = (HangingEntity)optional.get(); } else if (this.type == EntityType.ITEM_FRAME) { hangingEntity = new ItemFrame(level, blockPos2, direction); } else { if (this.type != EntityType.GLOW_ITEM_FRAME) { return InteractionResult.SUCCESS; } hangingEntity = new GlowItemFrame(level, blockPos2, direction); } EntityType.createDefaultStackConfig(level, itemStack, player).accept(hangingEntity); if (hangingEntity.survives()) { if (!level.isClientSide) { hangingEntity.playPlacementSound(); level.gameEvent(player, GameEvent.ENTITY_PLACE, hangingEntity.position()); level.addFreshEntity(hangingEntity); } itemStack.shrink(1); return InteractionResult.SUCCESS; } else { return InteractionResult.CONSUME; } } } protected boolean mayPlace(Player player, Direction direction, ItemStack hangingEntityStack, BlockPos pos) { return !direction.getAxis().isVertical() && player.mayUseItemAt(pos, direction, hangingEntityStack); } @Override public void appendHoverText(ItemStack stack, Item.TooltipContext context, TooltipDisplay tooltipDisplay, Consumer tooltipAdder, TooltipFlag flag) { if (this.type == EntityType.PAINTING && tooltipDisplay.shows(DataComponents.PAINTING_VARIANT)) { Holder holder = stack.get(DataComponents.PAINTING_VARIANT); if (holder != null) { holder.value().title().ifPresent(tooltipAdder); holder.value().author().ifPresent(tooltipAdder); tooltipAdder.accept(Component.translatable("painting.dimensions", holder.value().width(), holder.value().height())); } else if (flag.isCreative()) { tooltipAdder.accept(TOOLTIP_RANDOM_VARIANT); } } } }