src/game/java/net/minecraft/world/item/AxeItem.java

package net.minecraft.world.item;

import com.google.common.collect.ImmutableMap.Builder;
import java.util.Map;
import java.util.Optional;
import javax.annotation.Nullable;
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.tags.BlockTags;
import net.minecraft.world.InteractionHand;
import net.minecraft.world.InteractionResult;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.context.UseOnContext;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.Block;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.RotatedPillarBlock;
import net.minecraft.world.level.block.WeatheringCopper;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.gameevent.GameEvent;

public class AxeItem extends DiggerItem {
    protected static final Map<Block, Block> STRIPPABLES = new Builder<Block, Block>()
        .put(Blocks.OAK_WOOD, Blocks.STRIPPED_OAK_WOOD)
        .put(Blocks.OAK_LOG, Blocks.STRIPPED_OAK_LOG)
        .put(Blocks.DARK_OAK_WOOD, Blocks.STRIPPED_DARK_OAK_WOOD)
        .put(Blocks.DARK_OAK_LOG, Blocks.STRIPPED_DARK_OAK_LOG)
        .put(Blocks.PALE_OAK_WOOD, Blocks.STRIPPED_PALE_OAK_WOOD)
        .put(Blocks.PALE_OAK_LOG, Blocks.STRIPPED_PALE_OAK_LOG)
        .put(Blocks.ACACIA_WOOD, Blocks.STRIPPED_ACACIA_WOOD)
        .put(Blocks.ACACIA_LOG, Blocks.STRIPPED_ACACIA_LOG)
        .put(Blocks.CHERRY_WOOD, Blocks.STRIPPED_CHERRY_WOOD)
        .put(Blocks.CHERRY_LOG, Blocks.STRIPPED_CHERRY_LOG)
        .put(Blocks.BIRCH_WOOD, Blocks.STRIPPED_BIRCH_WOOD)
        .put(Blocks.BIRCH_LOG, Blocks.STRIPPED_BIRCH_LOG)
        .put(Blocks.JUNGLE_WOOD, Blocks.STRIPPED_JUNGLE_WOOD)
        .put(Blocks.JUNGLE_LOG, Blocks.STRIPPED_JUNGLE_LOG)
        .put(Blocks.SPRUCE_WOOD, Blocks.STRIPPED_SPRUCE_WOOD)
        .put(Blocks.SPRUCE_LOG, Blocks.STRIPPED_SPRUCE_LOG)
        .put(Blocks.WARPED_STEM, Blocks.STRIPPED_WARPED_STEM)
        .put(Blocks.WARPED_HYPHAE, Blocks.STRIPPED_WARPED_HYPHAE)
        .put(Blocks.CRIMSON_STEM, Blocks.STRIPPED_CRIMSON_STEM)
        .put(Blocks.CRIMSON_HYPHAE, Blocks.STRIPPED_CRIMSON_HYPHAE)
        .put(Blocks.MANGROVE_WOOD, Blocks.STRIPPED_MANGROVE_WOOD)
        .put(Blocks.MANGROVE_LOG, Blocks.STRIPPED_MANGROVE_LOG)
        .put(Blocks.BAMBOO_BLOCK, Blocks.STRIPPED_BAMBOO_BLOCK)
        .build();

    public AxeItem(ToolMaterial p_365403_, float p_363626_, float p_361899_, Item.Properties p_40524_) {
        super(p_365403_, BlockTags.MINEABLE_WITH_AXE, p_363626_, p_361899_, p_40524_);
    }

    @Override
    public InteractionResult useOn(UseOnContext p_40529_) {
        Level level = p_40529_.getLevel();
        BlockPos blockpos = p_40529_.getClickedPos();
        Player player = p_40529_.getPlayer();
        if (playerHasShieldUseIntent(p_40529_)) {
            return InteractionResult.PASS;
        } else {
            Optional<BlockState> optional = this.evaluateNewBlockState(level, blockpos, player, level.getBlockState(blockpos));
            if (optional.isEmpty()) {
                return InteractionResult.PASS;
            } else {
                ItemStack itemstack = p_40529_.getItemInHand();
                if (player instanceof ServerPlayer) {
                    CriteriaTriggers.ITEM_USED_ON_BLOCK.trigger((ServerPlayer)player, blockpos, itemstack);
                }

                level.setBlock(blockpos, optional.get(), 11);
                level.gameEvent(GameEvent.BLOCK_CHANGE, blockpos, GameEvent.Context.of(player, optional.get()));
                if (player != null) {
                    itemstack.hurtAndBreak(1, player, LivingEntity.getSlotForHand(p_40529_.getHand()));
                }

                return InteractionResult.SUCCESS;
            }
        }
    }

    private static boolean playerHasShieldUseIntent(UseOnContext p_343474_) {
        Player player = p_343474_.getPlayer();
        return p_343474_.getHand().equals(InteractionHand.MAIN_HAND) && player.getOffhandItem().is(Items.SHIELD) && !player.isSecondaryUseActive();
    }

    private Optional<BlockState> evaluateNewBlockState(Level p_312809_, BlockPos p_313114_, @Nullable Player p_312029_, BlockState p_311198_) {
        Optional<BlockState> optional = this.getStripped(p_311198_);
        if (optional.isPresent()) {
            p_312809_.playSound(p_312029_, p_313114_, SoundEvents.AXE_STRIP, SoundSource.BLOCKS, 1.0F, 1.0F);
            return optional;
        } else {
            Optional<BlockState> optional1 = WeatheringCopper.getPrevious(p_311198_);
            if (optional1.isPresent()) {
                p_312809_.playSound(p_312029_, p_313114_, SoundEvents.AXE_SCRAPE, SoundSource.BLOCKS, 1.0F, 1.0F);
                p_312809_.levelEvent(p_312029_, 3005, p_313114_, 0);
                return optional1;
            } else {
                Optional<BlockState> optional2 = Optional.ofNullable(HoneycombItem.WAX_OFF_BY_BLOCK.get().get(p_311198_.getBlock()))
                    .map(p_150694_ -> p_150694_.withPropertiesOf(p_311198_));
                if (optional2.isPresent()) {
                    p_312809_.playSound(p_312029_, p_313114_, SoundEvents.AXE_WAX_OFF, SoundSource.BLOCKS, 1.0F, 1.0F);
                    p_312809_.levelEvent(p_312029_, 3004, p_313114_, 0);
                    return optional2;
                } else {
                    return Optional.empty();
                }
            }
        }
    }

    private Optional<BlockState> getStripped(BlockState p_150691_) {
        return Optional.ofNullable(STRIPPABLES.get(p_150691_.getBlock()))
            .map(p_359378_ -> p_359378_.defaultBlockState().setValue(RotatedPillarBlock.AXIS, p_150691_.getValue(RotatedPillarBlock.AXIS)));
    }
}