Minecraft 1.21：如何让Husk掉落带指定Loot表的可刷可疑沙？

问题背景 #

我正在制作Skyblock数据包，希望玩家能从怪物农场获取嗅探器相关物品，无需依赖海洋废墟结构。目前用命令方块能生成可放置且战利品表正常的可疑沙，但Husk掉落的可疑沙放置后无法刷出物品。

当前配置 #

Husk的战利品表（当前版本） #

{
    "type": "minecraft:entity",
    "pools": [{
        "rolls": 1,
        "entries": [{
            "type": "minecraft:item",
            "name": "minecraft:suspicious_sand",
            "functions": [{
                "function": "minecraft:set_loot_table",
                "type": "minecraft:brushable_block",
                "name": "minecraft:archaeology/ocean_ruin_warm"
            }]
        }]
    }],
    "random_sequence": "minecraft:entities/husk"
}

Husk掉落方块放置后的异常NBT #

{
    components: {
        "minecraft:container_loot": {
            loot_table: "minecraft:archaeology/ocean_ruin_warm"
        }
    },
    x: 24,
    y: -23,
    z: 88,
    id: "minecraft:brushable_block"
}

可生成正常方块的/give命令 #

/give @p minecraft:suspicious_sand[
    minecraft:block_entity_data={
        id: "minecraft:brushable_block",
        LootTable: "minecraft:archaeology/ocean_ruin_warm"
    }
]

正确放置后的目标NBT #

{
    LootTable: "minecraft:archaeology/ocean_ruin_warm",
    x: 24,
    y: -23,
    z: 89,
    id: "minecraft:brushable_block"
}

解决方案 #

set_loot_table函数会自动使用新版组件式NBT（components字段），而可刷方块需要的是旧版直接挂载的LootTable标签。要解决这个问题，需改用set_nbt函数直接给物品添加BlockEntityTag标签，模拟/give命令的逻辑：

修改后的Husk战利品表：

{
    "type": "minecraft:entity",
    "pools": [{
        "rolls": 1,
        "entries": [{
            "type": "minecraft:item",
            "name": "minecraft:suspicious_sand",
            "functions": [{
                "function": "minecraft:set_nbt",
                "tag": "{BlockEntityTag:{id:\"minecraft:brushable_block\",LootTable:\"minecraft:archaeology/ocean_ruin_warm\"}}"
            }]
        }]
    }],
    "random_sequence": "minecraft:entities/husk"
}

原理说明 #

• set_nbt函数可直接给物品添加指定NBT标签，这里给可疑沙添加的BlockEntityTag对应/give命令里的block_entity_data，包含可刷方块必需的LootTable和id字段。
• 该方法绕过了set_loot_table的组件式转换，生成的物品NBT与/give命令完全一致，放置后会自动生成带有正确LootTable标签的方块实体，刷取时能正常触发战利品表。

内容的提问来源于stack exchange，提问作者Ash Ivory