BuffHandler Kotlin

package gg.rsmod.game.model.buffs

import gg.rsmod.game.model.entity.Pawn

class BuffHandler(val pawn: Pawn) {

    private var timers = mutableListOf<BuffTimer>()

    fun add(timer: BuffTimers, time: Int = -1) {
        val time = if (time == -1) timer.time else time

        if (time == 0)
            return

        timers.removeIf { it.timer.id == timer.id && it.timer.override }

        val timer = BuffTimer(timer, time)
        timers.add(timer)
        //ToDo: Display buff for player with seconds remaining
    }

    fun remove(timer: BuffTimers) {
        timers.removeIf { it.timer.id == timer.id }
        //Todo: Call any onEnd procedures for this timer, i.e. recalculating bonuses
        //ToDo: Remove buff from displayed buffs for player
    }

    fun reset(removeAttendance: Boolean = false, removeDeathPenalty: Boolean = false) {
        timers.retainAll { it.timer.id == BuffTimers.ATTENDANCE.id && !removeAttendance || it.timer.id == BuffTimers.DEATH_PENALTY.id && !removeDeathPenalty }
        //Todo: Call all onEnd procedures for all timers, i.e. recalculating bonuses
        //ToDo: Remove buffs from displayed buffs for player
    }

    fun isActive(timer: BuffTimer) : Boolean {
        return timers.contains(timer)
    }

}