53 lines
2.1 KiB
Java
53 lines
2.1 KiB
Java
package net.minecraft.server.commands;
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import com.google.common.collect.Iterables;
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import com.mojang.brigadier.CommandDispatcher;
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import com.mojang.brigadier.ParseResults;
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import com.mojang.brigadier.arguments.StringArgumentType;
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import com.mojang.brigadier.context.ParsedCommandNode;
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import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
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import com.mojang.brigadier.tree.CommandNode;
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import java.util.Map;
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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.network.chat.Component;
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public class HelpCommand {
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private static final SimpleCommandExceptionType ERROR_FAILED = new SimpleCommandExceptionType(Component.translatable("commands.help.failed"));
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public static void register(CommandDispatcher<CommandSourceStack> dispatcher) {
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dispatcher.register(
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Commands.literal("help")
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.executes(commandContext -> {
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Map<CommandNode<CommandSourceStack>, String> map = dispatcher.getSmartUsage(dispatcher.getRoot(), commandContext.getSource());
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for (String string : map.values()) {
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commandContext.getSource().sendSuccess(() -> Component.literal("/" + string), false);
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}
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return map.size();
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})
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.then(
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Commands.argument("command", StringArgumentType.greedyString())
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.executes(
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commandContext -> {
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ParseResults<CommandSourceStack> parseResults = dispatcher.parse(StringArgumentType.getString(commandContext, "command"), commandContext.getSource());
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if (parseResults.getContext().getNodes().isEmpty()) {
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throw ERROR_FAILED.create();
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} else {
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Map<CommandNode<CommandSourceStack>, String> map = dispatcher.getSmartUsage(
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Iterables.<ParsedCommandNode<CommandSourceStack>>getLast(parseResults.getContext().getNodes()).getNode(), commandContext.getSource()
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);
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for (String string : map.values()) {
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commandContext.getSource().sendSuccess(() -> Component.literal("/" + parseResults.getReader().getString() + " " + string), false);
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}
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return map.size();
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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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