EnergonRelics/src/main/java/com/thebrokenrail/energonrelics/energy/core/util/EnergyTicker.java

package com.thebrokenrail.energonrelics.energy.core.util;

import com.thebrokenrail.energonrelics.energy.core.EnergyProviderBlockEntity;
import net.minecraft.world.World;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;

public class EnergyTicker {
    private static final List<EnergyProviderBlockEntity> scheduled = new ArrayList<>();

    public static void schedule(EnergyProviderBlockEntity provider) {
        scheduled.add(provider);
    }

    public static void tick(World world) {
        if (Objects.requireNonNull(world.getServer()).getThread() != Thread.currentThread()) {
            scheduled.clear();
        } else {
            List<EnergyProviderBlockEntity> started = new ArrayList<>();

            List<EnergyProviderBlockEntity> temp = new ArrayList<>(scheduled);
            List<EnergyProviderBlockEntity> temp2 = new ArrayList<>();
            while (!temp.isEmpty()) {
                for (EnergyProviderBlockEntity provider : temp) {
                    if (!started.contains(provider)) {
                        temp2.addAll(provider.startTick());
                        started.add(provider);
                    }
                }
                temp.clear();
                temp.addAll(temp2);
                temp2.clear();
            }

            Collections.shuffle(started);
            for (EnergyProviderBlockEntity provider : started) {
                provider.logicTick();
            }

            scheduled.clear();
        }
    }
}