using Microsoft.Xna.Framework;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace StardustCore.Animations
{
   public class Animation
    {
       public Rectangle sourceRectangle;
       public readonly int frameDuration; 
       public int frameCountUntilNextAnimation;



        /// <summary>
        /// Constructor that causes the animation frame count to be set to -1; This forces it to never change.
        /// </summary>
        /// <param name="SourceRectangle">The draw source for this animation.</param>
        public Animation(Rectangle SourceRectangle)
        {
            sourceRectangle = SourceRectangle;
            frameDuration = -1;
        }

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="SourceRectangle">The draw source for this animation.</param>
        /// <param name="existForXFrames">How many on screen frames this animation stays for. Every draw frame decrements an active animation by 1 frame. Set this to -1 to have it be on the screen infinitely.</param>
        public Animation(Rectangle SourceRectangle,int existForXFrames)
        {
            sourceRectangle = SourceRectangle;
            frameDuration = existForXFrames;
        }

        /// <summary>
        /// Decrements the amount of frames this animation is on the screen for by 1.
        /// </summary>
        public void tickAnimationFrame()
        {
            frameCountUntilNextAnimation--;
        }

        /// <summary>
        /// This sets the animation frame count to be the max duration. I.E restart the timer.
        /// </summary>
        public void startAnimation()
        {
            frameCountUntilNextAnimation = frameDuration;
        }


    }
}