HelpCommand.java

net.minecraft.server.commands.HelpCommand

信息

• 全限定名：net.minecraft.server.commands.HelpCommand
• 类型：public class
• 包：net.minecraft.server.commands
• 源码路径：src/main/java/net/minecraft/server/commands/HelpCommand.java
• 起始行号：L14
• 职责：

  TODO

字段/常量

• ERROR_FAILED
  • 类型: SimpleCommandExceptionType
  • 修饰符: private static final
  • 源码定位: L15
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

• 无

方法

下面的方法块按源码顺序生成。

public static void register(CommandDispatcher<CommandSourceStack> dispatcher) @ L17

• 方法名：register
• 源码定位：L17
• 返回类型：void
• 修饰符：public static

参数:

• dispatcher: CommandDispatcher

说明:

TODO

代码

public class HelpCommand {
    private static final SimpleCommandExceptionType ERROR_FAILED = new SimpleCommandExceptionType(Component.translatable("commands.help.failed"));
 
    public static void register(CommandDispatcher<CommandSourceStack> dispatcher) {
        dispatcher.register(
            Commands.literal("help")
                .executes(s -> {
                    Map<CommandNode<CommandSourceStack>, String> usage = dispatcher.getSmartUsage(dispatcher.getRoot(), s.getSource());
 
                    for (String line : usage.values()) {
                        s.getSource().sendSuccess(() -> Component.literal("/" + line), false);
                    }
 
                    return usage.size();
                })
                .then(
                    Commands.argument("command", StringArgumentType.greedyString())
                        .executes(
                            s -> {
                                ParseResults<CommandSourceStack> command = dispatcher.parse(StringArgumentType.getString(s, "command"), s.getSource());
                                if (command.getContext().getNodes().isEmpty()) {
                                    throw ERROR_FAILED.create();
                                } else {
                                    Map<CommandNode<CommandSourceStack>, String> usage = dispatcher.getSmartUsage(
                                        Iterables.getLast(command.getContext().getNodes()).getNode(), s.getSource()
                                    );
 
                                    for (String line : usage.values()) {
                                        s.getSource().sendSuccess(() -> Component.literal("/" + command.getReader().getString() + " " + line), false);
                                    }
 
                                    return usage.size();
                                }
                            }
                        )
                )
        );
    }
}

引用的其他类

• CommandSourceStack

  • 引用位置: 参数

• Commands

  • 引用位置: 方法调用
  • 关联成员: Commands.argument(), Commands.literal()

• Component

  • 引用位置: 方法调用
  • 关联成员: Component.literal(), Component.translatable()