Android Open Source - GravityShip Game World Render G L2

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Back to project page GravityShip.
License

The source code is released under:
GNU General Public License
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Java Source Code

package com.hajnar.GravityShip;
//from   w w w .j a  v a  2 s.  c  om
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.FPSLogger;
import com.badlogic.gdx.graphics.Mesh;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.Pixmap.Format;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.graphics.glutils.FrameBuffer;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.badlogic.gdx.math.Matrix4;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.math.collision.BoundingBox;
import com.badlogic.gdx.physics.box2d.Box2DDebugRenderer;
import com.hajnar.GravityShip.GameObjects.*;

public class GameWorldRenderGL2 {
    public static final int FBO_SIZE = 256;
    private GameWorld world;
    private GameCamera camera;
    private OrthographicCamera parallaxCamera;
    private OrthographicCamera parallaxCamera2;
    private OrthographicCamera staticCamera;
    private SpriteBatch batch;
    private Sprite starsParticle;
    protected Sprite thrustParticle;
    protected Sprite explosionParticle;
    protected Sprite smokeParticle;
    protected Sprite sparkParticle;
    protected ScrollingBackground gasTexture;
    protected ScrollingBackground gasTexture2;
    protected Box2DDebugRenderer debugRenderer;
    protected Matrix4 debugMatrix;
    protected FPSLogger fpsLogger;
    protected Vector3 tmpVector;
    protected boolean debugEnabled;
    private FrameBuffer fbo1;
    private FrameBuffer fbo2;
    private FrameBuffer fbo3;
    private TextureRegion fboRegion;
    private ShaderProgram terrainShader;
    private ShaderProgram hiPassShader;
    private ShaderProgram blurShader;

    public GameWorldRenderGL2(GameWorld world, SpriteBatch batch) {
        this.world = world;
        this.batch = batch;
        this.debugEnabled = false;
        this.camera = new GameCamera(Helper.FRUSTUM_WIDTH, Helper.FRUSTUM_HEIGHT);
        this.parallaxCamera = new GameCamera(Helper.FRUSTUM_WIDTH, Helper.FRUSTUM_HEIGHT);
        this.parallaxCamera2 = new GameCamera(Helper.FRUSTUM_WIDTH, Helper.FRUSTUM_HEIGHT);
        this.staticCamera = new OrthographicCamera(Helper.FRUSTUM_WIDTH, Helper.FRUSTUM_HEIGHT);
        this.staticCamera.position.set(Helper.FRUSTUM_WIDTH / 2, Helper.FRUSTUM_HEIGHT / 2, 0);
        this.gasTexture = new ScrollingBackground(parallaxCamera, Assets.gasRegion1, batch);
        this.gasTexture2 = new ScrollingBackground(parallaxCamera2, Assets.gasRegion2, batch);
        this.debugRenderer = new Box2DDebugRenderer();
        this.debugRenderer.setDrawVelocities(true);
        this.fpsLogger = new FPSLogger();
        this.tmpVector = new Vector3();
        this.starsParticle = new Sprite(Assets.starRegion);
        this.smokeParticle = new Sprite(Assets.smokeParticleRegion);
        this.sparkParticle = new Sprite(Assets.sparkParticleRegion);
        world.getThrustParticleEmitters().get(0).setSprite(smokeParticle);
        world.getExplosionParticleEmitters().get(0).setSprite(sparkParticle);
        world.getExplosionParticleEmitters().get(1).setSprite(smokeParticle);
        world.getStarsParticleEmitters().get(0).setSprite(starsParticle);

        ShaderProgram.pedantic = false;

        fbo1 = new FrameBuffer(Format.RGBA8888, 1200, (int) Helper.WINDOW_HEIGHT, false);
        fbo2 = new FrameBuffer(Format.RGBA8888, FBO_SIZE, FBO_SIZE, false);
        fbo3 = new FrameBuffer(Format.RGBA8888, FBO_SIZE, FBO_SIZE, false);
        fboRegion = new TextureRegion(fbo1.getColorBufferTexture());
        fboRegion.flip(false, true);

        terrainShader = new ShaderProgram(Assets.terrainVertexShader, Assets.terrainFragmentShader);
        hiPassShader = new ShaderProgram(Assets.hiPassVertexShader, Assets.hiPassFragmentShader);
        blurShader = new ShaderProgram(Assets.hiPassVertexShader, Assets.blurFragmentShader);
        if (terrainShader.getLog().length() != 0)
            System.out.println("terrainShader: " + terrainShader.getLog());
        if (hiPassShader.getLog().length() != 0)
            System.out.println("hiPassShader: " + hiPassShader.getLog());
        if (blurShader.getLog().length() != 0) {
            System.out.println("blurShader: " + terrainShader.getLog());
        }

        blurShader.setUniformf("dir", 0.0f, 0.0f);
        blurShader.setUniformf("resolution", FBO_SIZE);
        blurShader.setUniformf("radius", 1.0f);
    }

    public GameWorldRenderGL2(GameWorld world, SpriteBatch batch, boolean debug) {
        this.world = world;
        this.batch = batch;
        this.debugEnabled = false;
        this.camera = new GameCamera(Helper.FRUSTUM_WIDTH, Helper.FRUSTUM_HEIGHT);
        this.parallaxCamera = new GameCamera(Helper.FRUSTUM_WIDTH, Helper.FRUSTUM_HEIGHT);
        this.parallaxCamera2 = new GameCamera(Helper.FRUSTUM_WIDTH, Helper.FRUSTUM_HEIGHT);
        this.staticCamera = new OrthographicCamera(Helper.FRUSTUM_WIDTH, Helper.FRUSTUM_HEIGHT);
        this.staticCamera.position.set(Helper.FRUSTUM_WIDTH / 2, Helper.FRUSTUM_HEIGHT / 2, 0);
        this.gasTexture = new ScrollingBackground(parallaxCamera, Assets.gasRegion1, batch);
        this.gasTexture2 = new ScrollingBackground(parallaxCamera2, Assets.gasRegion2, batch);
        this.debugRenderer = new Box2DDebugRenderer();
        this.debugRenderer.setDrawVelocities(true);
        this.fpsLogger = new FPSLogger();
        this.tmpVector = new Vector3();
        this.starsParticle = new Sprite(Assets.starRegion);
        this.smokeParticle = new Sprite(Assets.smokeParticleRegion);
        this.sparkParticle = new Sprite(Assets.sparkParticleRegion);
        world.getThrustParticleEmitters().get(0).setSprite(smokeParticle);
        world.getExplosionParticleEmitters().get(0).setSprite(sparkParticle);
        world.getExplosionParticleEmitters().get(1).setSprite(smokeParticle);
        world.getStarsParticleEmitters().get(0).setSprite(starsParticle);

        ShaderProgram.pedantic = false;

        fbo1 = new FrameBuffer(Format.RGBA8888, 1200, (int) Helper.WINDOW_HEIGHT, false);
        fbo2 = new FrameBuffer(Format.RGBA8888, FBO_SIZE, FBO_SIZE, false);
        fbo3 = new FrameBuffer(Format.RGBA8888, FBO_SIZE, FBO_SIZE, false);
        fboRegion = new TextureRegion(fbo1.getColorBufferTexture());
        fboRegion.flip(false, true);

        terrainShader = new ShaderProgram(Assets.terrainVertexShader, Assets.terrainFragmentShader);
        hiPassShader = new ShaderProgram(Assets.hiPassVertexShader, Assets.hiPassFragmentShader);
        blurShader = new ShaderProgram(Assets.hiPassVertexShader, Assets.blurFragmentShader);
        if (terrainShader.getLog().length() != 0)
            System.out.println("terrainShader: " + terrainShader.getLog());
        if (hiPassShader.getLog().length() != 0)
            System.out.println("hiPassShader: " + hiPassShader.getLog());
        if (blurShader.getLog().length() != 0) {
            System.out.println("blurShader: " + terrainShader.getLog());
        }
        blurShader.setUniformf("dir", 0.0f, 0.0f);
        blurShader.setUniformf("resolution", FBO_SIZE);
        blurShader.setUniformf("radius", 1.0f);
    }

    public void renderAndroid(float delta) {
        if (world.getState() == GameWorld.WORLD_RUNNING) {
            Vector2 cameraTranslation;
            cameraTranslation = camera.follow(world.getPlayer());
            parallaxCamera.translate(cameraTranslation.mul(0.1f));
            parallaxCamera2.translate(cameraTranslation.mul(0.3f));
        }
        camera.update();
        parallaxCamera.update();
        parallaxCamera2.update();
        gasTexture.updateBackground();
        gasTexture2.updateBackground();

        batch.begin();
        Gdx.gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
        Gdx.gl.glClear(16384);
        batch.disableBlending();
        batch.setProjectionMatrix(staticCamera.combined);
        batch.draw(Assets.backgroundTexture, -Helper.FRUSTUM_WIDTH / 2, -Helper.FRUSTUM_HEIGHT / 2, Helper.FRUSTUM_WIDTH, Helper.FRUSTUM_WIDTH);
        batch.enableBlending();
        batch.setProjectionMatrix(parallaxCamera.combined);
        gasTexture.render();
        batch.setProjectionMatrix(parallaxCamera2.combined);
        gasTexture2.render();
        batch.setProjectionMatrix(camera.combined);
        renderBlackHoles();
        renderStars();
        renderParticles(delta);
        renderLandingZones();
        renderPlayer();
        renderBullets();
        batch.end();
        renderTerrain();
        batch.begin();
        renderCanons();
        batch.end();

        if (debugEnabled) {
            renderBox2DDebug();
        }
        fpsLogger.log();
    }

    public void renderDesktop(float delta) {
        if (world.getState() == GameWorld.WORLD_RUNNING) {
            Vector2 cameraTranslation;
            cameraTranslation = camera.followWithZooming(world.getPlayer(), delta);
            parallaxCamera.translate(cameraTranslation.mul(0.1f));
            parallaxCamera2.translate(cameraTranslation.mul(0.3f));
        }
        camera.update();
        parallaxCamera.update();
        parallaxCamera2.update();
        gasTexture.updateBackground();
        gasTexture2.updateBackground();

        batch.begin();
        fbo1.begin();
        Gdx.gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
        Gdx.gl.glClear(16384);
        batch.disableBlending();
        batch.setProjectionMatrix(staticCamera.combined);
        batch.draw(Assets.backgroundTexture, -Helper.FRUSTUM_WIDTH / 2, -Helper.FRUSTUM_HEIGHT / 2, Helper.FRUSTUM_WIDTH, Helper.FRUSTUM_WIDTH);
        batch.enableBlending();
        batch.setProjectionMatrix(parallaxCamera.combined);
        gasTexture.render();
        batch.setProjectionMatrix(parallaxCamera2.combined);
        gasTexture2.render();
        batch.setProjectionMatrix(camera.combined);
        renderBlackHoles();
        renderStars();
        renderParticles(delta);
        renderLandingZones();
        renderPlayer();
        renderBullets();
        batch.end();
        renderTerrain();
        batch.begin();
        renderCanons();
        batch.end();
        fbo1.end();

        if ((world.getState() == GameWorld.WORLD_RUNNING) || ((world.getState() == GameWorld.WORLD_GAME_OVER) && (GravityShip.gameScreen.getGameOverDuration() <= 1.5f))) {
            fboRegion.setTexture(fbo1.getColorBufferTexture());

            batch.begin();
            fbo2.begin();
            batch.setShader(hiPassShader);
            hiPassShader.setUniformf("brightPassThreshold", 0.47F);
            Gdx.gl.glClear(16384);
            batch.setProjectionMatrix(staticCamera.combined);
            batch.draw(fboRegion, -600.0F, -Helper.FRUSTUM_HEIGHT / 2.0F, 1200.0F, Helper.FRUSTUM_HEIGHT);
            batch.flush();
            fbo2.end();

            fboRegion.setTexture(fbo2.getColorBufferTexture());

            fbo3.begin();
            batch.setShader(blurShader);
            blurShader.setUniformf("dir", 1.0F, 0.0F);
            blurShader.setUniformf("resolution", 256.0F);
            blurShader.setUniformf("radius", 1.5F);
            Gdx.gl.glClear(16384);
            batch.setProjectionMatrix(staticCamera.combined);
            batch.draw(fboRegion, -600.0F, -Helper.FRUSTUM_HEIGHT / 2.0F, 1200.0F, Helper.FRUSTUM_HEIGHT);
            batch.flush();
            fbo3.end();

            batch.setShader(null);
            Gdx.gl.glClear(16384);
            batch.setBlendFunction(770, 1);

            fboRegion.setTexture(fbo1.getColorBufferTexture());
            batch.setProjectionMatrix(staticCamera.combined);
            batch.draw(fboRegion, -600.0F, -Helper.FRUSTUM_HEIGHT / 2.0F, 1200.0F, Helper.FRUSTUM_HEIGHT);
            batch.setColor(1.0F, 1.0F, 1.0F, 0.7F);
            fboRegion.setTexture(fbo3.getColorBufferTexture());
            batch.setShader(blurShader);
            blurShader.setUniformf("dir", 0.0F, 1.0F);
            blurShader.setUniformf("resolution", 256.0F);
            blurShader.setUniformf("radius", 1.5F);
            batch.draw(fboRegion, -600.0F, -Helper.FRUSTUM_HEIGHT / 2.0F, 1200.0F, Helper.FRUSTUM_HEIGHT);
            batch.setBlendFunction(770, 771);
            batch.setColor(1.0F, 1.0F, 1.0F, 1.0F);
            batch.setShader(null);
            batch.end();
        } else {
            fboRegion.setTexture(fbo1.getColorBufferTexture());

            batch.begin();
            fbo2.begin();
            Gdx.gl.glClear(16384);
            batch.setProjectionMatrix(staticCamera.combined);
            batch.draw(fboRegion, -600.0F, -Helper.FRUSTUM_HEIGHT / 2.0F, 1200.0F, Helper.FRUSTUM_HEIGHT);
            batch.flush();
            fbo2.end();

            fboRegion.setTexture(fbo2.getColorBufferTexture());
            fbo3.begin();
            batch.setShader(blurShader);
            blurShader.setUniformf("dir", 1.0F, 0.0F);
            blurShader.setUniformf("resolution", 256.0F);
            blurShader.setUniformf("radius", 1.7F);
            Gdx.gl.glClear(16384);
            batch.setProjectionMatrix(staticCamera.combined);
            batch.draw(fboRegion, -600.0F, -Helper.FRUSTUM_HEIGHT / 2.0F, 1200.0F, Helper.FRUSTUM_HEIGHT);
            batch.flush();
            fbo3.end();

            fboRegion.setTexture(fbo3.getColorBufferTexture());
            blurShader.setUniformf("dir", 0.0F, 1.0F);
            batch.setProjectionMatrix(staticCamera.combined);
            batch.draw(fboRegion, -600.0F, -Helper.FRUSTUM_HEIGHT / 2.0F, 1200.0F, Helper.FRUSTUM_HEIGHT);
            batch.setShader(null);
            batch.end();
        }


        if (debugEnabled) {
            renderBox2DDebug();
        }
        fpsLogger.log();
    }

    public void renderTerrain() {
        terrainShader.begin();
        terrainShader.setUniformi("u_texture", 0);
        terrainShader.setUniformMatrix("u_projectionViewMatrix", camera.combined);

        Assets.terrainTexture.bind();

        for (int i = 0; i < world.getTerrain().getMeshes().size(); i++) {
            if (camera.frustum.boundsInFrustum((BoundingBox) world.getTerrain().getBoundingBoxes().get(i)))
                ((Mesh) world.getTerrain().meshes.get(i)).render(terrainShader, 5);
        }
        terrainShader.end();
    }

    public void renderBox2DDebug() {
        debugMatrix.set(camera.combined);
        debugMatrix.scale(Helper.BOX_TO_WORLD, Helper.BOX_TO_WORLD, 1f);
        debugRenderer.render(world.getBox2dWorld(), debugMatrix);
    }

    public void renderPlayer() {
        if (world.getPlayer().getState() != Player.SHIP_STATE_DEAD)
            world.getPlayer().getSprite().draw(batch);
    }

    public void renderLandingZones() {
        int len = world.getLandingZones().size();
        LandingZone lz;
        Vector2 spriteCenter;
        for (int i = 0; i < len; i++) {
            lz = world.getLandingZones().get(i);
            spriteCenter = lz.getBody().getPosition();
            spriteCenter.mul(Helper.BOX_TO_WORLD);
            if (camera.frustum.sphereInFrustumWithoutNearFar(
                    tmpVector.set(spriteCenter.x, spriteCenter.y, 0),
                    lz.getSprite().getWidth() / 2)) {
                lz.getSprite().draw(batch);
            }
        }
    }

    public void renderCanons() {
        int len = world.getCanons().size();
        Canon canon;
        Vector2 spriteCenter;
        for (int i = 0; i < len; i++) {
            canon = world.getCanons().get(i);
            spriteCenter = canon.getBody().getPosition();
            spriteCenter.mul(Helper.BOX_TO_WORLD);
            if (camera.frustum.sphereInFrustumWithoutNearFar(
                    tmpVector.set(spriteCenter.x, spriteCenter.y, 0),
                    canon.getSprite().getWidth() / 2)) {
                canon.getSprite().draw(batch);
            }
        }
    }

    public void renderParticles(float delta) {
        world.getThrustParticleEffect().draw(batch, delta);
        world.getExplosionParticleEffect().draw(batch, delta);
        world.getStarsParticleEffect().draw(batch, delta);
    }

    public void renderBullets() {
        int len = world.getBullets().size();
        Bullet bullet;
        Vector2 spriteCenter;
        for (int i = 0; i < len; i++) {
            bullet = world.getBullets().get(i);
            spriteCenter = bullet.getBody().getPosition();
            spriteCenter.mul(Helper.BOX_TO_WORLD);
            if (camera.frustum.sphereInFrustumWithoutNearFar(
                    tmpVector.set(spriteCenter.x, spriteCenter.y, 0),
                    bullet.getSprite().getWidth() / 2)) {
                bullet.getSprite().draw(batch);
            }
        }
    }

    public void renderStars() {
        int len = world.getStars().size();
        Star star;
        Vector2 spriteCenter;
        for (int i = 0; i < len; i++) {
            star = world.getStars().get(i);
            spriteCenter = star.getBody().getPosition();
            spriteCenter.mul(Helper.BOX_TO_WORLD);
            if (camera.frustum.sphereInFrustumWithoutNearFar(
                    tmpVector.set(spriteCenter.x, spriteCenter.y, 0),
                    star.getSprite().getWidth() / 2) && !star.isPickedUp()) {
                star.getSprite().draw(batch);
            }
        }
    }

    public void renderBlackHoles() {
        int len = world.getBlackHoles().size();
        BlackHole hole;
        Vector2 spriteCenter;
        for (int i = 0; i < len; i++) {
            hole = world.getBlackHoles().get(i);
            spriteCenter = hole.getBody().getPosition();
            spriteCenter.mul(Helper.BOX_TO_WORLD);
            if (camera.frustum.sphereInFrustumWithoutNearFar(
                    tmpVector.set(spriteCenter.x, spriteCenter.y, 0),
                    hole.getSprite().getWidth() / 2)) {
                hole.getSprite().draw(batch);
            }
        }
    }

    public void dispose() {
        terrainShader.dispose();
        hiPassShader.dispose();
        blurShader.dispose();
        fbo1.dispose();
        fbo2.dispose();
    }
}
Java Source Code List
