/*
 * Firmament is a Hypixel Skyblock mod for modern Minecraft versions
 * Copyright (C) 2023 Linnea Gräf
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package moe.nea.firmament.util

import kotlin.time.Duration
import kotlin.time.ExperimentalTime
import kotlin.time.TimeSource

@OptIn(ExperimentalTime::class)
class Timer {
    private var mark: TimeSource.Monotonic.ValueTimeMark? = null

    fun timePassed(): Duration {
        return mark?.elapsedNow() ?: Duration.INFINITE
    }

    fun markNow() {
        mark = TimeSource.Monotonic.markNow()
    }

    fun markFarPast() {
        mark = null
    }

}