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There is a newer version: 1.20.40-r1

package cn.nukkit.level.terra.delegate;

import cn.nukkit.api.PowerNukkitXOnly;
import cn.nukkit.api.Since;
import cn.nukkit.block.BlockID;
import com.dfsek.terra.api.block.BlockType;
import com.dfsek.terra.api.block.state.BlockState;
import com.dfsek.terra.api.block.state.properties.Property;

@PowerNukkitXOnly
@Since("1.6.0.0-PNX")
public record PNXBlockStateDelegate(cn.nukkit.blockstate.BlockState innerBlockState) implements BlockState {
    @Override
    public boolean matches(BlockState blockState) {
        return ((PNXBlockStateDelegate) blockState).innerBlockState.equals(this.innerBlockState);
    }

    @Override
    public > boolean has(Property property) {
        return false;
    }

    @Override
    public > T get(Property property) {
        return null;
    }

    @Override
    public > BlockState set(Property property, T t) {
        return null;
    }

    @Override
    public BlockType getBlockType() {
        return new PNXBlockType(innerBlockState);
    }

    @Override
    public String getAsString(boolean b) {
        //todo: 未完全实现带状态的toString，因为需要返回一个JE格式的BlockState字符串，这需要做BE->JE的方块状态映射
        //很多的方块生成问题都是因为这里返回的Str不对，需要特别注意
        var name = innerBlockState.getPersistenceName();
        //对于一些特殊方块的HACK
        return switch (name) {
            case "minecraft:snow_layer" -> "minecraft:snow";
            case "minecraft:snow" -> "minecraft:snow_block";
            default -> name;
        };
    }

    @Override
    public boolean isAir() {
        return innerBlockState.getBlockId() == BlockID.AIR;
    }

    @Override
    public cn.nukkit.blockstate.BlockState getHandle() {
        return innerBlockState;
    }
}