package com.mygdx.game;

import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.g2d.Animation;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;

public class MyGdxGame implements ApplicationListener {

	public static final int COL_INT = 21;
	public static final int ROW_INT = 2;

	Animation mAnimation;
	Texture mTexture;
	TextureRegion[][] trWalking1;
	TextureRegion[] trWalking2;
	TextureRegion currentFrame;
	SpriteBatch spriteBatch;
	float stateTime = 0;
	float halfHeight;
	float aspectRatio;
	int newWidth;

	@Override
	public void resize(int width, int height) {

	}

	@Override
	public void pause() {

	}

	@Override
	public void resume() {

	}



	@Override
	public void create() {
		mTexture = new Texture(Gdx.files.internal("super-mario-sprite.png"));
		trWalking1 = TextureRegion.split(mTexture, mTexture.getWidth()/COL_INT, mTexture.getHeight()/ROW_INT);
		trWalking2 = new TextureRegion[COL_INT * ROW_INT];

		int index = 0;

		for (int row = 0; row < ROW_INT; row++) {
			for (int col = 0; col < COL_INT; col++) {
				trWalking2[index++] = trWalking1[row][col];
			}
		}

		mAnimation = new Animation(1/9f, trWalking2);

		spriteBatch = new SpriteBatch();

		float textureRegionWidth = mTexture.getWidth()/COL_INT;

		float textureRegionHeight = mTexture.getHeight()/ROW_INT;

		aspectRatio = textureRegionHeight/textureRegionWidth;

		float screenHeight = (float) Gdx.graphics.getHeight();

		halfHeight = screenHeight/2f;

		newWidth = Math.round(halfHeight /aspectRatio);
	}

	@Override
	public void dispose() {
		mTexture.dispose();
		spriteBatch.dispose();
	}

	@Override
	public void render() {

		Gdx.gl.glClearColor(1, 1, 1, 1);
		Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

		stateTime += Gdx.graphics.getDeltaTime();

		currentFrame = mAnimation.getKeyFrame(stateTime, true);

		spriteBatch.begin();
		spriteBatch.draw(currentFrame, 300, 300, newWidth, halfHeight);
		//, Gdx.graphics.getWidth()/8f, Gdx.graphics.getHeight()/4f
		spriteBatch.end();
	}
}