61 lines
2.4 KiB
Java
61 lines
2.4 KiB
Java
package net.minecraft.server.commands;
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import com.mojang.brigadier.CommandDispatcher;
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import com.mojang.brigadier.exceptions.CommandSyntaxException;
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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 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.network.chat.Component;
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import net.minecraft.server.level.ServerPlayer;
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import net.minecraft.world.entity.Entity;
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import org.jetbrains.annotations.Nullable;
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public class SpectateCommand {
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private static final SimpleCommandExceptionType ERROR_SELF = new SimpleCommandExceptionType(Component.translatable("commands.spectate.self"));
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private static final DynamicCommandExceptionType ERROR_NOT_SPECTATOR = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("commands.spectate.not_spectator", object)
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);
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public static void register(CommandDispatcher<CommandSourceStack> dispatcher) {
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dispatcher.register(
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Commands.literal("spectate")
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.requires(Commands.hasPermission(2))
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.executes(commandContext -> spectate(commandContext.getSource(), null, commandContext.getSource().getPlayerOrException()))
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.then(
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Commands.argument("target", EntityArgument.entity())
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.executes(
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commandContext -> spectate(
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commandContext.getSource(), EntityArgument.getEntity(commandContext, "target"), commandContext.getSource().getPlayerOrException()
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)
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)
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.then(
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Commands.argument("player", EntityArgument.player())
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.executes(
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commandContext -> spectate(
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commandContext.getSource(), EntityArgument.getEntity(commandContext, "target"), EntityArgument.getPlayer(commandContext, "player")
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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 spectate(CommandSourceStack source, @Nullable Entity target, ServerPlayer player) throws CommandSyntaxException {
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if (player == target) {
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throw ERROR_SELF.create();
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} else if (!player.isSpectator()) {
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throw ERROR_NOT_SPECTATOR.create(player.getDisplayName());
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} else {
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player.setCamera(target);
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if (target != null) {
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source.sendSuccess(() -> Component.translatable("commands.spectate.success.started", target.getDisplayName()), false);
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} else {
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source.sendSuccess(() -> Component.translatable("commands.spectate.success.stopped"), false);
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}
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return 1;
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}
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}
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}
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