net.minestom.server.command.builder.arguments.minecraft.ArgumentTime Maven / Gradle / Ivy

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1.20.4 Lightweight Minecraft server

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package net.minestom.server.command.builder.arguments.minecraft;

import it.unimi.dsi.fastutil.chars.CharArrayList;
import it.unimi.dsi.fastutil.chars.CharList;
import net.minestom.server.command.CommandSender;
import net.minestom.server.command.builder.arguments.Argument;
import net.minestom.server.command.builder.exception.ArgumentSyntaxException;
import net.minestom.server.network.NetworkBuffer;
import net.minestom.server.utils.time.TimeUnit;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.time.Duration;
import java.time.temporal.TemporalUnit;

/**
 * Represents an argument giving a time (day/second/tick).
 * 
 * Example: 50d, 25s, 75t
 */
public class ArgumentTime extends Argument {

    public static final int INVALID_TIME_FORMAT = -2;
    public static final int NO_NUMBER = -3;

    private static final CharList SUFFIXES = new CharArrayList(new char[]{'d', 's', 't'});

    private int min = 0;

    public ArgumentTime(String id) {
        super(id);
    }

    public @NotNull ArgumentTime min(int min) {
        this.min = min;
        return this;
    }

    @NotNull
    @Override
    public Duration parse(@NotNull CommandSender sender, @NotNull String input) throws ArgumentSyntaxException {
        final char lastChar = input.charAt(input.length() - 1);

        TemporalUnit timeUnit;
        if (Character.isDigit(lastChar))
            timeUnit = TimeUnit.SERVER_TICK;
        else if (SUFFIXES.contains(lastChar)) {
            input = input.substring(0, input.length() - 1);

            if (lastChar == 'd') {
                timeUnit = TimeUnit.DAY;
            } else if (lastChar == 's') {
                timeUnit = TimeUnit.SECOND;
            } else if (lastChar == 't') {
                timeUnit = TimeUnit.SERVER_TICK;
            } else {
                throw new ArgumentSyntaxException("Time needs to have the unit d, s, t, or none", input, NO_NUMBER);
            }
        } else
            throw new ArgumentSyntaxException("Time needs to have a unit", input, NO_NUMBER);

        try {
            // Check if value is a number
            final int time = Integer.parseInt(input);
            return Duration.of(time, timeUnit);
        } catch (NumberFormatException e) {
            throw new ArgumentSyntaxException("Time needs to be a number", input, NO_NUMBER);
        }
    }

    @Override
    public byte @Nullable [] nodeProperties() {
        return NetworkBuffer.makeArray(NetworkBuffer.INT, min);
    }

    @Override
    public String parser() {
        return "minecraft:time";
    }

    @Override
    public String toString() {
        return String.format("Time<%s>", getId());
    }
}