# 世界生成器

世界生成器允许你在世界的表面下生成自定义方块。它们主要用于矿石和装饰方块。

### 示例：两个生成器

此代码允许你告诉 ItemsAdder 在名为 `world` 的世界中生成方块 `myitems:custom_block`，并且只替换类型为 `STONE`、`DIRT`、`ANDESITE`、`GRANITE`、`COBBLESTONE`、`GRAVEL` 的方块，并且只在 `PLAINS` 生物群系中。

它将在每个区块中生成一个由 3 个方块组成的矿脉。

```yaml
info:
  namespace: my_world_populator
worlds_populators:
  custom_block:
    block: myitems:custom_block
    worlds:
    - world
    replaceable_blocks:
    - STONE
    - DIRT
    - ANDESITE
    - GRANITE
    - COBBLESTONE
    - GRAVEL
    biomes:
    - PLAINS
    chunk_chance: 70.0
    max_height: 45
    min_height: 25
    vein_blocks: 6
    chunk_veins: 1
  custom_block_2:
    block: myitems:custom_block_2
    worlds:
    - world
    replaceable_blocks:
    - DIRT
    chunk_chance: 100.0
    max_height: 64
    min_height: 40
    vein_blocks: 3
    chunk_veins: 1
```

### `vein_blocks`, `chunk_veins`, `chunk_chance`

{% hint style="warning" %}
我建议你从我在 **ItemsAdder** 文件夹中创建的 `blocks.yml` 文件中读取值。\
不要设置过高的值，否则服务器可能会卡顿。\
以我的值为例。
{% endhint %}

**`chunk_veins`**：在区块中生成的矿脉数量\
\&#xNAN;**`vein_blocks`**：每个矿脉中的方块数量（或矿脉大小）\
\&#xNAN;**`chunk_chance`**：在区块中生成的几率。你应该将其设置为 100 以生成普通矿石，并降低它以生成更稀有的矿石。

{% hint style="warning" %} <mark style="color:red;">**旧版 ItemsAdder**</mark> 在 **3.1.6** 之前使用这些属性：\
`chunk_veins` -> `iterations`

`vein_blocks` -> `amount`

`chunk_chance` -> `chance`
{% endhint %}

### 生物群系

你可以删除此选项，插件将在每个生物群系中生成矿石。

```yaml
  custom_block:
    block: myitems:custom_block
    worlds:
    - world
    replaceable_blocks:
    - STONE
    - DIRT
    - ANDESITE
    - GRANITE
    - COBBLESTONE
    - GRAVEL
    chunk_chance: 70.0
    max_height: 45
    min_height: 25
    vein_blocks: 6
    chunk_veins: 1
```

### 可替换方块

你可以删除此选项，插件将在每个方块中生成矿石，而不是检查它是否可以被替换。

```yaml
  custom_block:
    block: myitems:custom_block
    worlds:
    - world
    chunk_chance: 70.0
    max_height: 45
    min_height: 25
    vein_blocks: 6
    chunk_veins: 1
```


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