112 lines
4.7 KiB
Java
112 lines
4.7 KiB
Java
package net.minecraft.server.commands;
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import com.mojang.brigadier.CommandDispatcher;
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import com.mojang.brigadier.arguments.IntegerArgumentType;
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import com.mojang.brigadier.exceptions.CommandSyntaxException;
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import com.mojang.brigadier.exceptions.Dynamic2CommandExceptionType;
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import com.mojang.brigadier.exceptions.DynamicCommandExceptionType;
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import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
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import java.util.Collection;
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import net.minecraft.commands.CommandBuildContext;
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import net.minecraft.commands.CommandSourceStack;
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import net.minecraft.commands.Commands;
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import net.minecraft.commands.arguments.EntityArgument;
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import net.minecraft.commands.arguments.ResourceArgument;
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import net.minecraft.core.Holder;
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import net.minecraft.core.registries.Registries;
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import net.minecraft.network.chat.Component;
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import net.minecraft.world.entity.Entity;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.enchantment.Enchantment;
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import net.minecraft.world.item.enchantment.EnchantmentHelper;
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public class EnchantCommand {
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private static final DynamicCommandExceptionType ERROR_NOT_LIVING_ENTITY = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("commands.enchant.failed.entity", object)
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);
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private static final DynamicCommandExceptionType ERROR_NO_ITEM = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("commands.enchant.failed.itemless", object)
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);
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private static final DynamicCommandExceptionType ERROR_INCOMPATIBLE = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("commands.enchant.failed.incompatible", object)
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);
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private static final Dynamic2CommandExceptionType ERROR_LEVEL_TOO_HIGH = new Dynamic2CommandExceptionType(
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(object, object2) -> Component.translatableEscape("commands.enchant.failed.level", object, object2)
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);
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private static final SimpleCommandExceptionType ERROR_NOTHING_HAPPENED = new SimpleCommandExceptionType(Component.translatable("commands.enchant.failed"));
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public static void register(CommandDispatcher<CommandSourceStack> dispatcher, CommandBuildContext context) {
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dispatcher.register(
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Commands.literal("enchant")
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.requires(Commands.hasPermission(2))
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.then(
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Commands.argument("targets", EntityArgument.entities())
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.then(
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Commands.argument("enchantment", ResourceArgument.resource(context, Registries.ENCHANTMENT))
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.executes(
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commandContext -> enchant(
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commandContext.getSource(), EntityArgument.getEntities(commandContext, "targets"), ResourceArgument.getEnchantment(commandContext, "enchantment"), 1
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)
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)
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.then(
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Commands.argument("level", IntegerArgumentType.integer(0))
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.executes(
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commandContext -> enchant(
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commandContext.getSource(),
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EntityArgument.getEntities(commandContext, "targets"),
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ResourceArgument.getEnchantment(commandContext, "enchantment"),
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IntegerArgumentType.getInteger(commandContext, "level")
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)
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)
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)
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)
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)
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);
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}
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private static int enchant(CommandSourceStack source, Collection<? extends Entity> targets, Holder<Enchantment> enchantment, int level) throws CommandSyntaxException {
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Enchantment enchantment2 = enchantment.value();
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if (level > enchantment2.getMaxLevel()) {
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throw ERROR_LEVEL_TOO_HIGH.create(level, enchantment2.getMaxLevel());
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} else {
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int i = 0;
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for (Entity entity : targets) {
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if (entity instanceof LivingEntity livingEntity) {
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ItemStack itemStack = livingEntity.getMainHandItem();
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if (!itemStack.isEmpty()) {
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if (enchantment2.canEnchant(itemStack)
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&& EnchantmentHelper.isEnchantmentCompatible(EnchantmentHelper.getEnchantmentsForCrafting(itemStack).keySet(), enchantment)) {
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itemStack.enchant(enchantment, level);
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i++;
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} else if (targets.size() == 1) {
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throw ERROR_INCOMPATIBLE.create(itemStack.getHoverName().getString());
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}
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} else if (targets.size() == 1) {
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throw ERROR_NO_ITEM.create(livingEntity.getName().getString());
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}
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} else if (targets.size() == 1) {
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throw ERROR_NOT_LIVING_ENTITY.create(entity.getName().getString());
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}
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}
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if (i == 0) {
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throw ERROR_NOTHING_HAPPENED.create();
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} else {
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if (targets.size() == 1) {
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source.sendSuccess(
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() -> Component.translatable(
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"commands.enchant.success.single", Enchantment.getFullname(enchantment, level), ((Entity)targets.iterator().next()).getDisplayName()
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),
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true
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);
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} else {
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source.sendSuccess(() -> Component.translatable("commands.enchant.success.multiple", Enchantment.getFullname(enchantment, level), targets.size()), true);
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}
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return i;
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}
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}
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}
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}
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