using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Otter;

namespace OtterApp
{
    class AnimationEntity: Entity
    {
        // Set up an enum to use for the four different animations.
        enum Animation
        {
            WalkUp,
            WalkDown,
            WalkLeft,
            WalkRight,
            PlayOnce,
            PingPong
        }

        // Create the Spritemap to use. Use Sprite.png as the texture, and define the cell size as 32 x 32.
        Spritemap<Animation> spritemap = new Spritemap<Animation>("AvatarSpriteMap.png", 32, 32);

        public AnimationEntity(float x, float y) : base(x, y) {
            // Add the animation data for walking upward.
            spritemap.Add(Animation.WalkUp, "0,1,2,3,4,5", 4);

            // Add the animation data for walking to the right.
            spritemap.Add(Animation.WalkRight, "6,7,8,9,10,11", 4);

            // Add the animation data for walking downward.
            spritemap.Add(Animation.WalkDown, "12,13,14,15,16,17", 4);

            // Add the animation data for walking to the left.
            spritemap.Add(Animation.WalkLeft, "18,19,20,21,22,23", 4);

            // Add the animation data for the PlayOnce test.
            spritemap.Add(Animation.PlayOnce, "5,11,17,23,5,11,17,23", 6).NoRepeat();

            // Add the animation data for the PingPong test.
            spritemap.Add(Animation.PingPong, "2,8,14,20", 8).PingPong();

            // Center the spritemap's origin.
            spritemap.CenterOrigin();

            // Play the walking down animation immediately.
            spritemap.Play(Animation.WalkDown);

            // Add the graphic to the Entity so that it renders.
            AddGraphic(spritemap);
        }

        public override void Update()
        {
            base.Update();

            if (Input.KeyPressed(Key.Up))
            {
                // Play the walk up animation when the up key is pressed.
                spritemap.Play(Animation.WalkUp);
            }
            if (Input.KeyPressed(Key.Down))
            {
                // Play the walk down animation when the down key is pressed.
                spritemap.Play(Animation.WalkDown);
            }
            if (Input.KeyPressed(Key.Left))
            {
                // Play the walk left animation when the left key is pressed.
                spritemap.Play(Animation.WalkLeft);
            }
            if (Input.KeyPressed(Key.Right))
            {
                // Play the walk right animation when the right key is pressed.
                spritemap.Play(Animation.WalkRight);
            }
            if (Input.KeyPressed(Key.X))
            {
                // Play the PlayOnce test animation.
                spritemap.Play(Animation.PlayOnce);
            }
            if (Input.KeyPressed(Key.C))
            {
                // Play the PingPong test animation.
                spritemap.Play(Animation.PingPong);
            }
        }
    }
}