TagCommand.java

net.minecraft.server.commands.TagCommand

信息

• 全限定名：net.minecraft.server.commands.TagCommand
• 类型：public class
• 包：net.minecraft.server.commands
• 源码路径：src/main/java/net/minecraft/server/commands/TagCommand.java
• 起始行号：L18
• 职责：

  TODO

字段/常量

• ERROR_ADD_FAILED

  • 类型: SimpleCommandExceptionType
  • 修饰符: private static final
  • 源码定位: L19
  • 说明:

    TODO

• ERROR_REMOVE_FAILED

  • 类型: SimpleCommandExceptionType
  • 修饰符: private static final
  • 源码定位: L20
  • 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) @ L22

• 方法名：register
• 源码定位：L22
• 返回类型：void
• 修饰符：public static

参数:

• dispatcher: CommandDispatcher

说明:

TODO

private static Collection<String> getTags(Collection<?extends Entity> entities) @ L50

• 方法名：getTags
• 源码定位：L50
• 返回类型：Collection
• 修饰符：private static

参数:

• entities: Collection<?extends Entity>

说明:

TODO

private static int addTag(CommandSourceStack source, Collection<?extends Entity> targets, String name) @ L60

• 方法名：addTag
• 源码定位：L60
• 返回类型：int
• 修饰符：private static

参数:

• source: CommandSourceStack
• targets: Collection<?extends Entity>
• name: String

说明:

TODO

private static int removeTag(CommandSourceStack source, Collection<?extends Entity> targets, String name) @ L82

• 方法名：removeTag
• 源码定位：L82
• 返回类型：int
• 修饰符：private static

参数:

• source: CommandSourceStack
• targets: Collection<?extends Entity>
• name: String

说明:

TODO

private static int listTags(CommandSourceStack source, Collection<?extends Entity> targets) @ L104

• 方法名：listTags
• 源码定位：L104
• 返回类型：int
• 修饰符：private static

参数:

• source: CommandSourceStack
• targets: Collection<?extends Entity>

说明:

TODO

代码

public class TagCommand {
    private static final SimpleCommandExceptionType ERROR_ADD_FAILED = new SimpleCommandExceptionType(Component.translatable("commands.tag.add.failed"));
    private static final SimpleCommandExceptionType ERROR_REMOVE_FAILED = new SimpleCommandExceptionType(Component.translatable("commands.tag.remove.failed"));
 
    public static void register(CommandDispatcher<CommandSourceStack> dispatcher) {
        dispatcher.register(
            Commands.literal("tag")
                .requires(Commands.hasPermission(Commands.LEVEL_GAMEMASTERS))
                .then(
                    Commands.argument("targets", EntityArgument.entities())
                        .then(
                            Commands.literal("add")
                                .then(
                                    Commands.argument("name", StringArgumentType.word())
                                        .executes(c -> addTag(c.getSource(), EntityArgument.getEntities(c, "targets"), StringArgumentType.getString(c, "name")))
                                )
                        )
                        .then(
                            Commands.literal("remove")
                                .then(
                                    Commands.argument("name", StringArgumentType.word())
                                        .suggests((c, p) -> SharedSuggestionProvider.suggest(getTags(EntityArgument.getEntities(c, "targets")), p))
                                        .executes(
                                            c -> removeTag(c.getSource(), EntityArgument.getEntities(c, "targets"), StringArgumentType.getString(c, "name"))
                                        )
                                )
                        )
                        .then(Commands.literal("list").executes(c -> listTags(c.getSource(), EntityArgument.getEntities(c, "targets"))))
                )
        );
    }
 
    private static Collection<String> getTags(Collection<? extends Entity> entities) {
        Set<String> result = Sets.newHashSet();
 
        for (Entity entity : entities) {
            result.addAll(entity.entityTags());
        }
 
        return result;
    }
 
    private static int addTag(CommandSourceStack source, Collection<? extends Entity> targets, String name) throws CommandSyntaxException {
        int count = 0;
 
        for (Entity entity : targets) {
            if (entity.addTag(name)) {
                count++;
            }
        }
 
        if (count == 0) {
            throw ERROR_ADD_FAILED.create();
        } else {
            if (targets.size() == 1) {
                source.sendSuccess(() -> Component.translatable("commands.tag.add.success.single", name, targets.iterator().next().getDisplayName()), true);
            } else {
                source.sendSuccess(() -> Component.translatable("commands.tag.add.success.multiple", name, targets.size()), true);
            }
 
            return count;
        }
    }
 
    private static int removeTag(CommandSourceStack source, Collection<? extends Entity> targets, String name) throws CommandSyntaxException {
        int count = 0;
 
        for (Entity entity : targets) {
            if (entity.removeTag(name)) {
                count++;
            }
        }
 
        if (count == 0) {
            throw ERROR_REMOVE_FAILED.create();
        } else {
            if (targets.size() == 1) {
                source.sendSuccess(() -> Component.translatable("commands.tag.remove.success.single", name, targets.iterator().next().getDisplayName()), true);
            } else {
                source.sendSuccess(() -> Component.translatable("commands.tag.remove.success.multiple", name, targets.size()), true);
            }
 
            return count;
        }
    }
 
    private static int listTags(CommandSourceStack source, Collection<? extends Entity> targets) {
        Set<String> tags = Sets.newHashSet();
 
        for (Entity entity : targets) {
            tags.addAll(entity.entityTags());
        }
 
        if (targets.size() == 1) {
            Entity entity = targets.iterator().next();
            if (tags.isEmpty()) {
                source.sendSuccess(() -> Component.translatable("commands.tag.list.single.empty", entity.getDisplayName()), false);
            } else {
                source.sendSuccess(
                    () -> Component.translatable("commands.tag.list.single.success", entity.getDisplayName(), tags.size(), ComponentUtils.formatList(tags)),
                    false
                );
            }
        } else if (tags.isEmpty()) {
            source.sendSuccess(() -> Component.translatable("commands.tag.list.multiple.empty", targets.size()), false);
        } else {
            source.sendSuccess(
                () -> Component.translatable("commands.tag.list.multiple.success", targets.size(), tags.size(), ComponentUtils.formatList(tags)), false
            );
        }
 
        return tags.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.hasPermission(), Commands.literal()

• SharedSuggestionProvider

  • 引用位置: 方法调用
  • 关联成员: SharedSuggestionProvider.suggest()

• EntityArgument

  • 引用位置: 方法调用
  • 关联成员: EntityArgument.entities(), EntityArgument.getEntities()

• Component

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

• ComponentUtils

  • 引用位置: 方法调用
  • 关联成员: ComponentUtils.formatList()

• Entity

  • 引用位置: 参数