feat:上传mcguide-开发指南部份

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Othniel su
2024-12-23 10:57:59 +08:00
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---
front:
hard: 入门
time: 分钟
---
# 生物生成
## 概述
开发者可以使用原版addon的`spawn_rules`功能控制自定义维度中的生物生成。
## spawn_rules使用方法
1.在addon的bevavior目录下新增spawn_rules文件夹
2.创建一个json文件并命名如example.json例子
```python
{
"format_version": "1.8.0",
"minecraft:spawn_rules": {
"description": {
"identifier": "minecraft:netease_example",
"population_control": "ambient"
},
"conditions": [
{
"minecraft:spawns_underground": {},
"minecraft:brightness_filter": {
"min": 0,
"max": 4,
"adjust_for_weather": true
},
"minecraft:height_filter": {
"min": 0,
"max": 63
},
"minecraft:weight": {
"default": 10
},
"minecraft:herd": {
"min_size": 2,
"max_size": 2
},
"minecraft:density_limit": {
"surface": 5
},
"minecraft:biome_filter": {
"test": "has_biome_tag", "operator":"==", "value": "animal"
}
}
]
}
}
```
description参数解释
| 参数 | 类型 | 解释 |
| --- | --- | --- |
| identifier | str | 该spawn rule的identifier格式为namespace:name |
| population_control | str | 生成生物的种类,每一种类都有生成个数的限制,可选的值为:<br>animal<br>monster<br>water_animal<br>villager<br>ambient<br>cat<br>pillager |
conditions参数解释
| Name | Description |
| :-------------------------: | :--------------------: |
| minecraft:spawns_on_surface | 允许mob在地上生成 |
| minecraft:spawns_underwater | 允许mob在水里生成 |
| minecraft:brightness_filter | 允许mob生成的光照条件 |
| minecraft:weight | mob生成的权重默认为0 |
| minecraft:difficulty_filter | mob生成的困难模式 |
| minecraft:herd | herd的大小 |
| minecraft:biome_filter | 允许mob生成的biome |
## 自定义群系的spawn_rules
利用condition中的minecraft:biome_filter过滤自定义群系的tag例如群系开发模板自带的dm3等tag或者其他自定义tag。
## demo解释
示例[CustomBiomesMod](../../13-模组SDK编程/60-Demo示例.md#CustomBiomesMod)中对dm4于dm5两个自定义维度的生物生成做了一些调整。
- dm4
使北极熊仅在该维度中生成,不会在其他维度的冰原群系生成。
1. 在polar_bear的spawn_rules中设置为仅在含dm4标签的群系生成
见customBiomesBehaviorPack/spawn_rules/polar_bear.json
```json
"minecraft:biome_filter": [
...,
{"test": "has_biome_tag", "operator":"==", "value": "dm4"}
]
```
- dm5
在冰原上不会生成兔子会生成3倍大小的北极熊。
1. 重写rabbit的spawn_rules使其不在带dm5标签的群系生成
见customBiomesBehaviorPack/spawn_rules/rabbit.json
```json
"minecraft:biome_filter": {
"any_of": [
{
"all_of": [
{ "test": "has_biome_tag", "operator":"==", "value": "taiga"},
{ "test": "has_biome_tag", "operator":"!=", "value": "mega"}
]
},
{
"all_of": [
{"test": "is_snow_covered", "operator":"==", "value": true},
{"test": "has_biome_tag", "operator":"!=", "value": "dm5"} //添加这一句
]
},
{"test": "has_biome_tag", "operator":"==", "value":"desert"}
]
}
```
2. 新建一个名为neteasebiomes:dm5_polar_bear的自定义生物除了设置为3倍大小外与原版北极熊一致
见customBiomesBehaviorPack/entities/polar_bear.json及customBiomesResourcePack/entity/dm5_polar_bear.entity.json
```json
"minecraft:scale": {
"value": 3.0
},
```
然后为其配置spawn_rules使其仅在dm5中生成
见customBiomesBehaviorPack/spawn_rules/dm5_polar_bear.json
```python
"minecraft:biome_filter": [
... ,
{"test": "has_biome_tag", "operator":"==", "value": "dm5"}
]
```