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package com.powersource.gdxtest;

import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input;
import com.badlogic.gdx.Input.Buttons;
import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.Texture.TextureFilter;
import com.badlogic.gdx.graphics.g2d.Gdx2DPixmap;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;

public class GdxTest implements ApplicationListener {
	private OrthographicCamera camera;
	private SpriteBatch batch;
	private Texture texture;
	private Sprite sprite;
	public float w = 0;
	public float h = 0;
	public float xpos;
	public float ypos;
	public float dirx = 0;
	public float diry = 0;
	public float diag = 0;
	public float xprevpos = 0;
	public float yprevpos = 0;
	public float mouseSetX = 0;
	public float mouseSetY = 0;

	@Override
	public void create() {
		w = Gdx.graphics.getWidth();
		h = Gdx.graphics.getHeight();

		camera = new OrthographicCamera(1, h / w);
		batch = new SpriteBatch();

		texture = new Texture(Gdx.files.internal("data/libgdx.png"));
		texture.setFilter(TextureFilter.Linear, TextureFilter.Linear);

		TextureRegion region = new TextureRegion(texture, 0, 0, 512, 275);

		sprite = new Sprite(region);
		sprite.setSize(0.9f, 0.9f * sprite.getHeight() / sprite.getWidth());
		//sprite.setSize(1f, 1f * sprite.getHeight() / sprite.getWidth());
		sprite.setOrigin(sprite.getWidth() / 2, sprite.getHeight() / 2);
		float xpos = -sprite.getWidth() / 2;
		float ypos = -sprite.getHeight() / 2;
		sprite.setPosition(xpos, ypos);
	}

	@Override
	public void dispose() {
		batch.dispose();
		texture.dispose();
	}

	@Override
	public void render() {
		Gdx.gl.glClearColor(1, 1, 1, 1);
		Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);

		batch.setProjectionMatrix(camera.combined);
		batch.begin();

		// egen
		w = Gdx.graphics.getWidth();
		h = Gdx.graphics.getHeight();

		if (Gdx.input.isKeyPressed(Keys.RIGHT)) {
			dirx += 1;
		}
		if (Gdx.input.isKeyPressed(Keys.LEFT)) {
			dirx -= 1;
		}
		if (Gdx.input.isKeyPressed(Keys.UP)) {
			diry += 1;
		}
		if (Gdx.input.isKeyPressed(Keys.DOWN)) {
			diry -= 1;
		}
		if ((dirx == 1 || dirx == -1) && (diry == 1 || diry == -1)) {
			diag = (float) Math.sqrt(0.5);
		} else {
			diag = 1;
		}
		xpos += diag * dirx * 1f / Gdx.graphics.getWidth();
		// p("delta-xpos: " + diag * dirx); // if you want percentage of window
		// add
		// / Gdx.graphics.getWidth()
		ypos += diag * diry * 1f / Gdx.graphics.getHeight();
		// p("delta-ypos: " + diag * diry);
		dirx = diry = 0;

		sprite.setPosition(xpos, ypos);

		if (Gdx.input.isButtonPressed(Buttons.LEFT)) {
			mouseSetX = (Gdx.input.getX() - (w / 2f)) / w;
			mouseSetY = ((h - Gdx.input.getY()) - (h / 2f)) / h;
			p("((h - Gdx.input.getY()) - (h / 2f)) / h");
			p("h: " + h);
			p("getY: " + Gdx.input.getY());
			p("width: " + Gdx.graphics.getWidth());
			p("height: " + Gdx.graphics.getHeight());
			p("mouseSetY * h: " + mouseSetY*h);
			sprite.setPosition(mouseSetX, mouseSetY);
		}

		sprite.draw(batch);
		batch.end();
	}

	public void p(String print) {
		System.out.println(print);
	}

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

	@Override
	public void pause() {
	}

	@Override
	public void resume() {
	}
}