完整版BedrockWiki镜像!
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docs/wiki/blocks/block-traits.md
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docs/wiki/blocks/block-traits.md
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title: 方块特性
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description: 方块特性可轻松为自定义方块应用原版方块状态(如朝向),无需借助事件和触发器。
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category: 基础
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nav_order: 5
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mentions:
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- QuazChick
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---
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# 方块特性
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<!--@include: @/wiki/bedrock-wiki-mirror.md-->
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:::tip 格式要求 & 最低引擎版本 `1.20.30`
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在学习方块特性前,您应当已熟练掌握[方块状态](/wiki/blocks/block-states)知识。
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使用方块状态时,请确保资源包清单中的`min_engine_version`为`1.20.20`或更高版本。
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:::
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## 应用特性
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方块特性可轻松为自定义方块应用原版方块状态(如朝向),无需借助复杂的事件和触发器系统。
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::: code-group
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```json [BP/blocks/custom_slab.json]
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{
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"format_version": "1.20.30",
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"minecraft:block": {
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"description": {
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"identifier": "wiki:custom_slab",
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"menu_category": {
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"category": "construction",
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"group": "itemGroup.name.slab"
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},
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"traits": {
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"minecraft:placement_position": {
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"enabled_states": ["minecraft:vertical_half"]
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}
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}
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},
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"components": { ... },
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"permutations": [ ... ]
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}
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}
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```
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:::
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_此示例将在放置时设置`minecraft:vertical_half`方块状态为`'top'`或`'bottom'`——具体取决于玩家视角位置。_
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**仍需通过置换系统配合条件查询来实现功能差异:**
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```c
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q.block_state('minecraft:vertical_half') // 查询垂直半区状态
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```
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## 放置朝向
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记录玩家放置方块时的旋转方向信息。
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_自实验性玩法`Upcoming Creator Features`发布,支持格式版本1.20.30及更高。_
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**可启用以下状态:**
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| 状态名称 | 可选值 | 描述 |
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| ------------------------------ | -------------------------------------------------------------------------------- | ---------------------------------- |
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| `minecraft:cardinal_direction` | `"south"`(默认)<br>`"north"`<br>`"west"`<br>`"east"` | 放置时玩家的主要朝向(东南西北) |
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| `minecraft:facing_direction` | `"down"`(默认)<br>`"up"`<br>`"south"`<br>`"north"`<br>`"west"`<br>`"east"` | 放置时玩家的完整朝向(含上下方向) |
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<br>
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**额外参数:**
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- `y_rotation_offset` - 此旋转偏移仅适用于水平方向状态值(北/南/西/东),必须指定轴对齐角度(如90、180、-90)
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::: code-group
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```json [minecraft:block > description > traits]
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"minecraft:placement_direction": {
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"enabled_states": ["minecraft:cardinal_direction"],
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"y_rotation_offset": 180 // Y轴旋转偏移量
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}
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```
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:::
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## 放置位置
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记录玩家放置方块时的具体位置信息。
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_自实验性玩法`Upcoming Creator Features`发布,支持格式版本1.20.30及更高。_
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**可启用以下状态:**
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| 状态名称 | 可选值 | 描述 |
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| ------------------------- | -------------------------------------------------------------------------------- | ----------------------------- |
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| `minecraft:block_face` | `"down"`(默认)<br>`"up"`<br>`"south"`<br>`"north"`<br>`"west"`<br>`"east"` | 方块被放置时所处的表面方位 |
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| `minecraft:vertical_half` | `"top"`<br>`"bottom"`(默认) | 方块被放置时所处的垂直半区位置 |
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<br>
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**_此特性无额外参数_**
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::: code-group
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```json [minecraft:block > description > traits]
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"minecraft:placement_position": {
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"enabled_states": [
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"minecraft:block_face", // 方块表面方位
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"minecraft:vertical_half" // 垂直半区位置
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]
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}
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```
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:::
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