src/game/java/net/minecraft/world/ticks/ProtoChunkTicks.java

package net.minecraft.world.ticks;

import com.google.common.collect.Lists;
import it.unimi.dsi.fastutil.objects.ObjectOpenCustomHashSet;
import java.util.List;
import java.util.Set;
import net.minecraft.core.BlockPos;

public class ProtoChunkTicks<T> implements SerializableTickContainer<T>, TickContainerAccess<T> {
    private final List<SavedTick<T>> ticks = Lists.newArrayList();
    private final Set<SavedTick<?>> ticksPerPosition = new ObjectOpenCustomHashSet<>(SavedTick.UNIQUE_TICK_HASH);

    @Override
    public void schedule(ScheduledTick<T> p_193298_) {
        SavedTick<T> savedtick = new SavedTick<>(p_193298_.type(), p_193298_.pos(), 0, p_193298_.priority());
        this.schedule(savedtick);
    }

    private void schedule(SavedTick<T> p_193296_) {
        if (this.ticksPerPosition.add(p_193296_)) {
            this.ticks.add(p_193296_);
        }
    }

    @Override
    public boolean hasScheduledTick(BlockPos p_193300_, T p_193301_) {
        return this.ticksPerPosition.contains(SavedTick.probe(p_193301_, p_193300_));
    }

    @Override
    public int count() {
        return this.ticks.size();
    }

    @Override
    public List<SavedTick<T>> pack(long p_364150_) {
        return this.ticks;
    }

    public List<SavedTick<T>> scheduledTicks() {
        return List.copyOf(this.ticks);
    }

    public static <T> ProtoChunkTicks<T> load(List<SavedTick<T>> p_370194_) {
        ProtoChunkTicks<T> protochunkticks = new ProtoChunkTicks<>();
        p_370194_.forEach(protochunkticks::schedule);
        return protochunkticks;
    }
}