snuvi-script-recoded/src/me/hammerle/snuviscript/ConsoleScheduler.java

package me.hammerle.snuviscript;

import java.util.ArrayList;
import me.hammerle.snuviscript.code.ISnuviScheduler;

public class ConsoleScheduler implements ISnuviScheduler
{
    private class Task
    {
        private Runnable r;
        private long delay;
        
        public Task(Runnable r, long delay)
        {
            this.r = r;
            this.delay = delay;
        }
        
        public void tick()
        {
            delay--;
            if(delay <= 0 && r != null)
            {
                r.run();
                r = null;
                activeTasks--;
            }
        }
        
        public void set(Runnable r, long delay)
        {
            this.r = r;
            this.delay = delay;
        }
        
        public boolean isFree()
        {
            return r == null;
        }
    }
    
    private int activeTasks = 0;
    private final ArrayList<Task> tasks = new ArrayList<>();
    
    @Override
    public int scheduleTask(Runnable r, long delay)
    {
        activeTasks++;
        for(int i = 0; i < tasks.size(); i++)
        {
            Task t = tasks.get(i);
            if(t.isFree())
            {
                t.set(r, delay);
                return -1;
            }
        }
        tasks.add(new Task(r, delay));
        return -1;
    }
    
    public void tick()
    {
        while(activeTasks > 0)
        {
            for(int i = 0; i < tasks.size(); i++)
            {
                tasks.get(i).tick();
            }
        }
    }
    
}