138 lines
4.9 KiB
Markdown
138 lines
4.9 KiB
Markdown
# Spigot服与客户端python通信
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## 使用方法
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1. spigot服需要安装SpigotMaster插件,插件api文档见[SpigotMasterAPI文档](./81-SpigotMasterAPI文档.html)
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2. 客户端到spigot
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- 在spigot使用spigotMaster.listenForEvent监听事件。
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- 在客户端使用<a href="../../../mcdocs/1-ModAPI/接口/通用/事件.html#notifytoserver" rel="noopenner">NotifyToServer</a>发送事件
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3. spigot到客户端
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- 在客户端使用<a href="../../../mcdocs/1-ModAPI/接口/通用/事件.html#listenforevent" rel="noopenner">ListenForEvent</a>监听事件
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- 在spigot使用spigotMaster.notifyToClient或其他多播接口发送事件
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示例:
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- spigot侧
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```java
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public void onEnable() {
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SpigotMaster spigotMaster = (SpigotMaster) Bukkit.getPluginManager().getPlugin("SpigotMaster");
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if (spigotMaster != null){
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// 监听事件,然后原封不动发回去
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spigotMaster.listenForEvent("MyMod", "MySystemClient", "clientEvent", new PyRpcHandler() {
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@Override
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public void onEvent(Player player, Map<String, Object> map) {
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spigotMaster.notifyToClient(player, "MyMod", "MySystemServer", "serverEvent", map);
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}
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});
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}
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}
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```
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- python侧
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```python
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# modMain.py
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@Mod.InitClient()
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def InitClient(self):
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clientApi.RegisterSystem("MyMod", "MySystemClient", client_system_class_path)
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# clientSystem
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class MySystemClient(ClientSystem):
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def __init__(self, namespace, systemName):
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ClientSystem.__init__(self, namespace, systemName)
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# 注册事件,在回调函数中打印参数
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self.ListenForEvent("MyMod", "MySystemServer", "serverEvent", self, self.onEvent)
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# 给spigot发一个事件
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self.NotifyToServer("clientEvent", {'a': 1})
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def onEvent(self, data):
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# 可以在客户端日志中看到onEvent {"a": 1}
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print 'onEvent', data
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```
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## 事件支持的参数类型及映射关系
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| Java类型 | Python类型 |
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| ------------------------ | ---------- |
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| null | None |
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| boolean | bool |
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| int | int |
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| long | long |
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| BigInteger(2^63到2^64-1) | long |
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| float | float |
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| double | float |
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| String | str |
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| List\<Object\> | list |
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| Map<String, Object> | dict |
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### Python发送给Java
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| Python类型 | Java类型 |
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| ---------------------------------------- | ---------- |
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| None | null |
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| bool | Boolean |
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| int/long(-2^31到2^31-1) | Integer |
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| int/long(-2^63到-2^31-1,2^31到2^63-1) | Long |
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| int/long(2^63到2^64-1) | BigInteger |
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| float | Double |
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| str | String |
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| list | List\<Object\> |
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| dict(key必须为str) | Map<String, Object> |
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## 关于entityId的注意事项
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- 客户端侧的**非玩家实体**的entityId与spigot侧org.bukkit.entity.Entity.getEntityId()获取的实体id相同
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- 请注意spigot获取的实体id类型为**int**,而客户端modsdk接口需要的实体id类型为**str**
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- 但客户端侧会存在一些负数的实体id,会geyser做协议转换时生成的虚拟实体,在spigot侧没有对应的实体
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- 在**每个客户端**视角来看,**本地玩家的entityId永远为-2**,其他玩家的entityId与spigot侧getEntityId相同,也就是说:
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- 客户端使用GetLocalPlayerId永远返回-2。如果将他发给spigot,那spigot是不能直接根据这个id获取到玩家的,需要做一些特殊处理
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```java
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spigotMaster.listenForEvent("MyMod", "MySystemClient", "clientEvent", new PyRpcHandler() {
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@Override
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public void onEvent(Player player, Map<String, Object> map) {
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Player eventPlayer;
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String entityId = (String) map.get("entityId");
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if (entityId.equals("-2")) {
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eventPlayer = player;
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}
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else {
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// 将entityId转成int然后去获取对应player
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}
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// 处理eventPlayer的逻辑
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}
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});
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```
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- 如果在spigot侧使用getEntityId的返回值发给该玩家,那玩家客户端无法根据这个id获取到本地玩家,需要做一些特殊处理
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```java
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int entityId;
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if (sendPlayer == player) {
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entityId = -2;
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}
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else {
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entityId = player.getEntityId()
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}
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map.put("entityId", entityId)
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spigotMaster.notifyToClient(sendPlayer, "MyMod", "MySystemServer", "serverEvent", map);
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```
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## Demo详解
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详见文档[Python通信Demo详解](./30-Spigot服Demo详解/2-Python通信Demo详解.md) |