minecraft-kajetans-mod/src/main/java/me/km/scheduler/SnuviScheduler.java

package me.km.scheduler;

import java.util.HashMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import me.km.api.Module;
import net.minecraft.util.text.TextFormatting;

public class SnuviScheduler extends Module
{
    private boolean checker;
    private int counter;
    private final HashMap<Integer, SnuviTask> tasks;
    
    public SnuviScheduler(String mname, String prefix, TextFormatting color)
    {
        super(mname, prefix, color);
        counter = 0;
        tasks = new HashMap<>();
    }
    
    public void cancelTask(int id)
    {
        tasks.remove(id);
    }
    
    public int scheduleRepeatingTask(Runnable r, long ticks, long rtimer)
    {
        counter++;
        tasks.put(counter, new SnuviTask(r, ticks, rtimer));
        return counter;
    }
    
    public int scheduleTask(Runnable r, int delay)
    { 
        return scheduleRepeatingTask(r, delay, 0);
    }
    
    public void tick()
    {
        checker = false;
        long l = System.currentTimeMillis();
        tasks.values().removeIf(task -> 
        {
            if(checker)
            {
                return false;
            }
            if(System.currentTimeMillis() - l > 25)
            {
                checker = true;
                this.sendWarningToConsole("Der Scheduler ist länger als 25 ms gelaufen.");
                return false;
            }
            return task.tick();
        });
    }
    
    public static void scheduleAsyncTask(Runnable r)
    {
        scheduleAsyncTask(r, 1);
    }
    
    public static void scheduleAsyncTask(Runnable r, long ticks)
    {
        ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();  
        executor.schedule(r, ticks * 50, TimeUnit.MILLISECONDS);
        executor.shutdown();
    }
}