net.bplaced.therefactory.voraciousviper.input.gamescreen.JoystickInputProcessor.java Source code

Introduction

Here is the source code for net.bplaced.therefactory.voraciousviper.input.gamescreen.JoystickInputProcessor.java

Source

/*
 * Copyright (C) 2016  Christian DeTamble
 *
 * This file is part of Voracious Viper.
 *
 * Voracious Viper is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Voracious Viper is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Voracious Viper.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.bplaced.therefactory.voraciousviper.input.gamescreen;

import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureAtlas;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.ui.Touchpad;
import com.badlogic.gdx.scenes.scene2d.ui.Touchpad.TouchpadStyle;
import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;
import com.badlogic.gdx.scenes.scene2d.utils.Drawable;
import com.badlogic.gdx.utils.viewport.FitViewport;

import net.bplaced.therefactory.voraciousviper.input.IRenderableInputProcessor;
import net.bplaced.therefactory.voraciousviper.misc.Utils;
import net.bplaced.therefactory.voraciousviper.screens.GameScreen;
import net.bplaced.therefactory.voraciousviper.screens.GameScreen.GameState;

public class JoystickInputProcessor extends AbstractGameScreenInputProcessor implements IRenderableInputProcessor {

    private final Touchpad touchpad;
    private final float circleX;
    private final float circleY;

    public JoystickInputProcessor(final GameScreen gameScreen, FitViewport viewport, TextureAtlas textureAtlas,
            ShapeRenderer shapeRenderer, BitmapFont font) {
        super(gameScreen, viewport, textureAtlas, shapeRenderer);

        //Create a touchpad skin   
        Skin touchpadSkin = new Skin();
        //Set background image
        //Set knob image
        touchpadSkin.add("touchKnob", new Texture("touchKnob.png"));
        //Create TouchPad Style
        TouchpadStyle touchpadStyle = new TouchpadStyle();
        //Create Drawable's from TouchPad skin
        Drawable touchKnob = touchpadSkin.getDrawable("touchKnob");
        //Apply the Drawables to the TouchPad Style
        //touchpadStyle.background = touchBackground;
        touchpadStyle.knob = touchKnob;
        //Create new TouchPad with the created style
        touchpad = new Touchpad(10, touchpadStyle);
        //setBounds(x,y,width,height)
        touchpad.setBounds(viewport.getWorldWidth() - 15 - 200, 15, 200, 200);
        circleX = touchpad.getX() + touchpad.getWidth() / 2;
        circleY = touchpad.getY() + touchpad.getHeight() / 2;
        touchpad.addListener(new ClickListener() {
            @Override
            public void clicked(InputEvent event, float x, float y) {
                super.clicked(event, x, y);
                if (gameScreen.getState() == GameState.GameIsBeginning) {
                    gameScreen.setState(GameState.GameIsRunning);
                }
            }
        });
        stage.addActor(touchpad);
    }

    @Override
    public void update() {
        if (Utils.within(touchpad.getKnobPercentX(), -.5f, .5f) && touchpad.getKnobPercentY() > 0) {
            gameScreen.getViper().moveUp();
        } else if (Utils.within(touchpad.getKnobPercentX(), -.5f, .5f) && touchpad.getKnobPercentY() < 0) {
            gameScreen.getViper().moveDown();
        } else if (Utils.within(touchpad.getKnobPercentY(), -.5f, .5f) && touchpad.getKnobPercentX() < 0) {
            gameScreen.getViper().moveLeft();
        } else if (Utils.within(touchpad.getKnobPercentY(), -.5f, .5f) && touchpad.getKnobPercentX() > 0) {
            gameScreen.getViper().moveRight();
        }
    }

    @Override
    public void render(SpriteBatch batch, BitmapFont font) {
        super.render(batch, font);
        if (gameScreen.getState().equals(GameState.GameIsRunning)
                || gameScreen.getState().equals(GameState.GameIsBeginning)) {
            touchpad.draw(batch, 1);
            touchpad.setVisible(true);
        } else {
            touchpad.setVisible(false);
        }
    }

    @Override
    public void render(ShapeRenderer shapeRenderer) {
        super.render(shapeRenderer);
        shapeRenderer.set(ShapeType.Filled);
        shapeRenderer.setColor(buttonTransparentColor);
        shapeRenderer.circle(circleX, circleY, 100);
    }

    @Override
    public void dispose() {
        stage.getActors().removeValue(touchpad, true);
    }

}