EnchantCommand.java

net.minecraft.server.commands.EnchantCommand

信息

• 全限定名：net.minecraft.server.commands.EnchantCommand
• 类型：public class
• 包：net.minecraft.server.commands
• 源码路径：src/main/java/net/minecraft/server/commands/EnchantCommand.java
• 起始行号：L24
• 职责：

  TODO

字段/常量

• ERROR_NOT_LIVING_ENTITY

  • 类型: DynamicCommandExceptionType
  • 修饰符: private static final
  • 源码定位: L25
  • 说明:

    TODO

• ERROR_NO_ITEM

  • 类型: DynamicCommandExceptionType
  • 修饰符: private static final
  • 源码定位: L28
  • 说明:

    TODO

• ERROR_INCOMPATIBLE

  • 类型: DynamicCommandExceptionType
  • 修饰符: private static final
  • 源码定位: L31
  • 说明:

    TODO

• ERROR_LEVEL_TOO_HIGH

  • 类型: Dynamic2CommandExceptionType
  • 修饰符: private static final
  • 源码定位: L34
  • 说明:

    TODO

• ERROR_NOTHING_HAPPENED

  • 类型: SimpleCommandExceptionType
  • 修饰符: private static final
  • 源码定位: L37
  • 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, CommandBuildContext context) @ L39

• 方法名：register
• 源码定位：L39
• 返回类型：void
• 修饰符：public static

参数:

• dispatcher: CommandDispatcher
• context: CommandBuildContext

说明:

TODO

private static int enchant(CommandSourceStack source, Collection<?extends Entity> targets, Holder<Enchantment> enchantmentHolder, int level) @ L66

• 方法名：enchant
• 源码定位：L66
• 返回类型：int
• 修饰符：private static

参数:

• source: CommandSourceStack
• targets: Collection<?extends Entity>
• enchantmentHolder: Holder
• level: int

说明:

TODO

代码

public class EnchantCommand {
    private static final DynamicCommandExceptionType ERROR_NOT_LIVING_ENTITY = new DynamicCommandExceptionType(
        target -> Component.translatableEscape("commands.enchant.failed.entity", target)
    );
    private static final DynamicCommandExceptionType ERROR_NO_ITEM = new DynamicCommandExceptionType(
        target -> Component.translatableEscape("commands.enchant.failed.itemless", target)
    );
    private static final DynamicCommandExceptionType ERROR_INCOMPATIBLE = new DynamicCommandExceptionType(
        item -> Component.translatableEscape("commands.enchant.failed.incompatible", item)
    );
    private static final Dynamic2CommandExceptionType ERROR_LEVEL_TOO_HIGH = new Dynamic2CommandExceptionType(
        (level, max) -> Component.translatableEscape("commands.enchant.failed.level", level, max)
    );
    private static final SimpleCommandExceptionType ERROR_NOTHING_HAPPENED = new SimpleCommandExceptionType(Component.translatable("commands.enchant.failed"));
 
    public static void register(CommandDispatcher<CommandSourceStack> dispatcher, CommandBuildContext context) {
        dispatcher.register(
            Commands.literal("enchant")
                .requires(Commands.hasPermission(Commands.LEVEL_GAMEMASTERS))
                .then(
                    Commands.argument("targets", EntityArgument.entities())
                        .then(
                            Commands.argument("enchantment", ResourceArgument.resource(context, Registries.ENCHANTMENT))
                                .executes(
                                    c -> enchant(c.getSource(), EntityArgument.getEntities(c, "targets"), ResourceArgument.getEnchantment(c, "enchantment"), 1)
                                )
                                .then(
                                    Commands.argument("level", IntegerArgumentType.integer(0))
                                        .executes(
                                            c -> enchant(
                                                c.getSource(),
                                                EntityArgument.getEntities(c, "targets"),
                                                ResourceArgument.getEnchantment(c, "enchantment"),
                                                IntegerArgumentType.getInteger(c, "level")
                                            )
                                        )
                                )
                        )
                )
        );
    }
 
    private static int enchant(CommandSourceStack source, Collection<? extends Entity> targets, Holder<Enchantment> enchantmentHolder, int level) throws CommandSyntaxException {
        Enchantment enchantment = enchantmentHolder.value();
        if (level > enchantment.getMaxLevel()) {
            throw ERROR_LEVEL_TOO_HIGH.create(level, enchantment.getMaxLevel());
        } else {
            int success = 0;
 
            for (Entity entity : targets) {
                if (entity instanceof LivingEntity target) {
                    ItemStack item = target.getMainHandItem();
                    if (!item.isEmpty()) {
                        if (enchantment.canEnchant(item)
                            && EnchantmentHelper.isEnchantmentCompatible(EnchantmentHelper.getEnchantmentsForCrafting(item).keySet(), enchantmentHolder)) {
                            item.enchant(enchantmentHolder, level);
                            success++;
                        } else if (targets.size() == 1) {
                            throw ERROR_INCOMPATIBLE.create(item.getHoverName().getString());
                        }
                    } else if (targets.size() == 1) {
                        throw ERROR_NO_ITEM.create(target.getName().getString());
                    }
                } else if (targets.size() == 1) {
                    throw ERROR_NOT_LIVING_ENTITY.create(entity.getName().getString());
                }
            }
 
            if (success == 0) {
                throw ERROR_NOTHING_HAPPENED.create();
            } else {
                if (targets.size() == 1) {
                    source.sendSuccess(
                        () -> Component.translatable(
                            "commands.enchant.success.single", Enchantment.getFullname(enchantmentHolder, level), targets.iterator().next().getDisplayName()
                        ),
                        true
                    );
                } else {
                    source.sendSuccess(
                        () -> Component.translatable("commands.enchant.success.multiple", Enchantment.getFullname(enchantmentHolder, level), targets.size()),
                        true
                    );
                }
 
                return success;
            }
        }
    }
}

引用的其他类

• CommandBuildContext

  • 引用位置: 参数

• 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()

• EntityArgument

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

• ResourceArgument

  • 引用位置: 方法调用
  • 关联成员: ResourceArgument.getEnchantment(), ResourceArgument.resource()

• Holder

  • 引用位置: 参数

• Component

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

• Entity

  • 引用位置: 参数

• Enchantment

  • 引用位置: 参数/方法调用
  • 关联成员: Enchantment.getFullname()

• EnchantmentHelper

  • 引用位置: 方法调用
  • 关联成员: EnchantmentHelper.getEnchantmentsForCrafting(), EnchantmentHelper.isEnchantmentCompatible()