com.badlogic.gdx.graphics.g3d.attributes.TextureAttribute Java Examples

public static void init() {
	list = new Array<>();
	ModelBuilder mb = new ModelBuilder();
	Vector3 norm = new Vector3(0f, 1f, 0f);
	Texture texture = Assets.manager.get("textures/shadow.png", Texture.class);
	Material material = new Material(TextureAttribute.createDiffuse(texture));
	material.set(new BlendingAttribute(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA, 0.7f));
	//material.set(new DepthTestAttribute(0)); // disable depth testing
	long attr = Usage.Position | Usage.TextureCoordinates;
	float s = 1f;
	model = mb.createRect(
			-s, 0f, -s,// bl
			-s, 0f, s, // tl
			s, 0f, s,  // tr
			s, 0f, -s,  // br
			norm.x, norm.y, norm.z,
			material,
			attr
	);
}
 

public static void createSkyBox (Texture xpos, Texture xneg, Texture ypos, Texture yneg, Texture zpos, Texture zneg) {
	modelInstance = new ModelInstance(model, "Skycube");
	
	// Set material textures
	modelInstance.materials.get(0).set(TextureAttribute.createDiffuse(xpos));
	modelInstance.materials.get(1).set(TextureAttribute.createDiffuse(xneg));
	modelInstance.materials.get(2).set(TextureAttribute.createDiffuse(ypos));
	modelInstance.materials.get(3).set(TextureAttribute.createDiffuse(yneg));
	modelInstance.materials.get(5).set(TextureAttribute.createDiffuse(zpos));
	modelInstance.materials.get(4).set(TextureAttribute.createDiffuse(zneg));
	
	//Disable depth test
	modelInstance.materials.get(0).set(new DepthTestAttribute(0));
	modelInstance.materials.get(1).set(new DepthTestAttribute(0));
	modelInstance.materials.get(2).set(new DepthTestAttribute(0));
	modelInstance.materials.get(3).set(new DepthTestAttribute(0));
	modelInstance.materials.get(4).set(new DepthTestAttribute(0));
	modelInstance.materials.get(5).set(new DepthTestAttribute(0));
	
	enabled = true;
}
 

public void createBillboardTest() {
	ModelBuilder mb = new ModelBuilder();
	mb.begin();

	long attr = Usage.TextureCoordinates | Usage.Position | Usage.Normal;
	TextureRegion region = Assets.getAtlas().findRegion("sprites/test-guy");
	Material mat = new Material(TextureAttribute.createDiffuse(region.getTexture()));
	boolean blended = true;
	float opacity = 1f;
	mat.set(new BlendingAttribute(blended, GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA, opacity));
	MeshPartBuilder mpb = mb.part("rect", GL20.GL_TRIANGLES, attr, mat);
	mpb.setUVRange(region);
	// the coordinates are offset so that we can easily set the center position to align with the entity's body
	float sz = 2f; // size
	float b = -sz/2; // base
	float max = sz/2; // max
	Vector3 bl = new Vector3(b, b, 0f);
	Vector3 br = new Vector3(b, max, 0f);
	Vector3 tr = new Vector3(max, max, 0f);
	Vector3 tl = new Vector3(max, b, 0f);
	Vector3 norm = new Vector3(0f, 0f, 1f);
	mpb.rect(bl, tl, tr, br, norm);
	billboardTestModel = mb.end();
}
 

/**
 * Return a heightmap chunk
 * TODO NOT IMPLEMENTED! 
 * @param heightmap
 * @param tex
 * @param width
 * @param height
 * @return
 */
public static TerrainChunk CreateHeightMapChunk (FileHandle heightmap, Texture tex, int width, int height) {
	HeightMap hp = new HeightMap(heightmap, 10, 10, false, 3);
	
	HeightMapModel md = new HeightMapModel(hp);
	//Model model = md.ground;
	 md.ground.materials.get(0).set(TextureAttribute.createDiffuse(tex));
	 
	//btCollisionObject obj = new btCollisionObject();
	//btCollisionShape shape = new btBvhTriangleMeshShape(model.meshParts);
	//obj.setCollisionShape(shape);
	////Physics.applyStaticGeometryCollisionFlags(obj);
	//Physics.inst.addStaticGeometryToWorld(obj);
	TerrainChunk ch = new  TerrainChunk();
	ch.setModelInstance(md.ground);
	
	return ch;
}
 

public static Model buildBillboardModel(Texture texture, float width, float height) {
	TextureRegion textureRegion = new TextureRegion(texture, texture.getWidth(), texture.getHeight());
	Material material = new Material();
	material.set(new TextureAttribute(TextureAttribute.Diffuse, textureRegion));
	material.set(new ColorAttribute(ColorAttribute.AmbientLight, Color.WHITE));
	material.set(new BlendingAttribute());
	return ModelFactory.buildPlaneModel(width, height, material, 0, 0, 1, 1);
}
 

public static void createSkyBox (Texture skybox) {
	modelInstance = new ModelInstance(model, "Skybox");
	
	// Set material texutres and Disable depth test
	modelInstance.materials.get(0).set(TextureAttribute.createDiffuse(skybox));
	modelInstance.materials.get(0).set(new DepthTestAttribute(0));
	
	enabled = true;
}
 

/** create some boxes to fill the level with some test geometry */
public static void createBoxes(int count) {
	ModelBuilder main = new ModelBuilder();
	ModelBuilder mb = new ModelBuilder();
	Material material = new Material();
	if (Main.isClient()) {
		material.set(TextureAttribute.createDiffuse(Assets.manager.get("textures/marble.jpg", Texture.class)));
	}
	main.begin();
	//float x = GameWorld.WORLD_WIDTH;
	//float y = GameWorld.WORLD_DEPTH;
	for (int i = 0; i < count; i++) {
		//float w = MathUtils.random(minW, maxW);
		float w = 8f;
		float d = 8f;
		float h = (i+1)*5f;
		tmp.set(10f + (w+2) * i, 0f, 10f + (d+2) * i);
		if (Main.isClient()) {
			mb.begin();
			MeshPartBuilder mpb = mb.part("part-" + i, GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.TextureCoordinates, material);
			mpb.box(w, h, d);
			Model boxModel = mb.end();
			Node node = main.node("box-" + i, boxModel);
			node.translation.set(tmp);
			q.idt();
			node.rotation.set(q);
		}
		//node.translation.set(MathUtils.random(x), 0f, MathUtils.random(y));
		//q.set(Vector3.X, -90);
		mtx.set(q);
		mtx.setTranslation(tmp);
		btCollisionObject obj = Physics.inst.createBoxObject(tmp.set(w/2, h/2, d/2));
		obj.setWorldTransform(mtx);
		Physics.applyStaticGeometryCollisionFlags(obj);
		Physics.inst.addStaticGeometryToWorld(obj);
	}
	Model finalModel = main.end();
	instance = new ModelInstance(finalModel);
}
 

public HeightMapModel(HeightMap hm) {
	this.heightMap = hm;
	String groundTexName = "textures/hm_paint.png";
	groundTexture = new Texture(Gdx.files.internal(groundTexName), true);
	groundTexture.setWrap(Texture.TextureWrap.Repeat, Texture.TextureWrap.Repeat);
	groundTexture.setFilter(Texture.TextureFilter.MipMapLinearNearest, Texture.TextureFilter.Linear);
	groundMat = new Material(TextureAttribute.createDiffuse(groundTexture)
			, ColorAttribute.createSpecular(specular)
	);
	createGround();
}
 

@Override
public void begin(ShaderProgram program, Camera camera, RenderContext context) {
  TextureAttribute textureAttribute = AmbientOcclusion.getTextureAttribute();

  ao_unit = context.textureBinder.bind(textureAttribute.textureDescription);
  program.setUniformi(u_aoTexture, ao_unit);
  program.setUniformf(u_aoUVTransform, textureAttribute.offsetU, textureAttribute.offsetV, textureAttribute.scaleU, textureAttribute.scaleV);
  program.setUniformf(u_aoStrength, AmbientOcclusion.getStrength().strength);
}
 

private void setVColorBlendAttributes() {
	Array<String> modelsIdsInScene = assets.getPlaceholderIdsByType(BlenderModel.class);
	Array<BlenderModel> instancesWithId = new Array<BlenderModel>();
	for (String id : modelsIdsInScene) {
		instancesWithId.clear();
		assets.getPlaceholders(id, BlenderModel.class, instancesWithId);
		for (BlenderModel blenderModel : instancesWithId) {
			// Maybe check if
			// renderable.meshPart.mesh.getVertexAttribute(VertexAttributes.Usage.ColorUnpacked) != null
			if (blenderModel.custom_properties.containsKey("v_color_material_blend")) {
				Model model = assets.getAsset(id, Model.class);
				String redMaterialName = blenderModel.custom_properties.get("v_color_material_red");
				String greenMaterialName = blenderModel.custom_properties.get("v_color_material_green");
				String blueMaterialName = blenderModel.custom_properties.get("v_color_material_blue");

				TextureAttribute redTexAttr = (TextureAttribute)
						model.getMaterial(redMaterialName).get(TextureAttribute.Diffuse);
				TextureAttribute greenTexAttr = (TextureAttribute)
						model.getMaterial(greenMaterialName).get(TextureAttribute.Diffuse);
				TextureAttribute blueTexAttr = (TextureAttribute)
						model.getMaterial(blueMaterialName).get(TextureAttribute.Diffuse);
				VertexColorTextureBlend redAttribute =
						new VertexColorTextureBlend(VertexColorTextureBlend.Red,
								redTexAttr.textureDescription.texture);
				VertexColorTextureBlend greenAttribute =
						new VertexColorTextureBlend(VertexColorTextureBlend.Green,
								greenTexAttr.textureDescription.texture);
				VertexColorTextureBlend blueAttribute =
						new VertexColorTextureBlend(VertexColorTextureBlend.Blue,
								blueTexAttr.textureDescription.texture);
				for (Node node : model.nodes) {
					for (NodePart nodePart : node.parts) {
						nodePart.material.set(redAttribute, greenAttribute, blueAttribute);
					}
				}
				break;
			}
		}
	}
}
 

/**
 * Applies this material asset to the libGDX material.
 *
 * @param material
 * @return
 */
public Material applyToMaterial(Material material) {
    if (diffuseColor != null) {
        material.set(new ColorAttribute(ColorAttribute.Diffuse, diffuseColor));
    }
    if (diffuseTexture != null) {
        material.set(new TextureAttribute(TextureAttribute.Diffuse, diffuseTexture.getTexture()));
    } else {
        material.remove(TextureAttribute.Diffuse);
    }
    material.set(new FloatAttribute(FloatAttribute.Shininess, shininess));

    return material;
}
 

@Override
public void render(Renderable renderable) {
    final MundusEnvironment env = (MundusEnvironment) renderable.environment;

    setLights(env);
    set(UNIFORM_TRANS_MATRIX, renderable.worldTransform);

    // texture uniform
    TextureAttribute diffuseTexture = ((TextureAttribute) (renderable.material.get(TextureAttribute.Diffuse)));
    ColorAttribute diffuseColor = ((ColorAttribute) (renderable.material.get(ColorAttribute.Diffuse)));

    if (diffuseTexture != null) {
        set(UNIFORM_MATERIAL_DIFFUSE_TEXTURE, diffuseTexture.textureDescription.texture);
        set(UNIFORM_MATERIAL_DIFFUSE_USE_TEXTURE, 1);
    } else {
        set(UNIFORM_MATERIAL_DIFFUSE_COLOR, diffuseColor.color);
        set(UNIFORM_MATERIAL_DIFFUSE_USE_TEXTURE, 0);
    }

    // shininess
    float shininess = ((FloatAttribute)renderable.material.get(FloatAttribute.Shininess)).value;
    set(UNIFORM_MATERIAL_SHININESS, shininess);

    // Fog
    final Fog fog = env.getFog();
    if (fog == null) {
        set(UNIFORM_FOG_DENSITY, 0f);
        set(UNIFORM_FOG_GRADIENT, 0f);
    } else {
        set(UNIFORM_FOG_DENSITY, fog.density);
        set(UNIFORM_FOG_GRADIENT, fog.gradient);
        set(UNIFORM_FOG_COLOR, fog.color);
    }

    // bind attributes, bind mesh & render; then unbinds everything
    renderable.meshPart.render(program);
}
 

private void drawBlockSelection() {
    int curProgressInt = Math.round(RadixClient.getInstance().getPlayer().getBreakPercent() * 10) - 1;
    if ((blockBreakModel == null || blockBreakStage != curProgressInt) && curProgressInt >= 0) {
        if (blockBreakModel != null)
            blockBreakModel.dispose();

        blockBreakStage = curProgressInt;

        ModelBuilder builder = new ModelBuilder();
        blockBreakModel = builder.createBox(1f, 1f, 1f,
                new Material(TextureAttribute.createDiffuse(blockBreakStages[blockBreakStage]),
                        new BlendingAttribute(),
                        FloatAttribute.createAlphaTest(0.25f)),
                VertexAttributes.Usage.Position | VertexAttributes.Usage.TextureCoordinates);
        blockBreakModelInstance = new ModelInstance(blockBreakModel);
    }

    Vec3i curBlk = RadixClient.getInstance().getSelectedBlock();
    if (curBlk != null && curProgressInt >= 0) {
        Gdx.gl.glPolygonOffset(100000, 2000000);
        blockOverlayBatch.begin(RadixClient.getInstance().getCamera());
        blockBreakModelInstance.transform.translate(curBlk.x + 0.5f, curBlk.y + 0.5f, curBlk.z + 0.5f);
        blockOverlayBatch.render(blockBreakModelInstance);
        blockBreakModelInstance.transform.translate(-(curBlk.x + 0.5f), -(curBlk.y + 0.5f), -(curBlk.z + 0.5f));
        blockOverlayBatch.end();
        Gdx.gl.glPolygonOffset(100000, -2000000);
    }
}
 

private static ModelInstance getInstance(String objPath, String texturePath) {
    Model model = loader.loadModel(Gdx.files.internal(objPath), new ObjLoader.ObjLoaderParameters(true));
    ModelInstance instance = new ModelInstance(model);
    Texture texture = new Texture(Gdx.files.internal(texturePath));
    instance.materials.get(0).set(TextureAttribute.createDiffuse(texture));
    return instance;
}
 

public void render(ModelBatch batch) {
    if (model != null) {
        // TODO: support subtle action. need to create instance every time?
        ModelInstance instance = new ModelInstance(model);
        instance.materials.get(0).set(TextureAttribute.createDiffuse(texture));
        instance.transform.translate(position.getX(), position.getY(), position.getZ());
        batch.render(instance);
    }
}
 

@Override
public void set (BaseShader shader, int inputID, Renderable renderable, Attributes combinedAttributes) {
	final int unit = shader.context.textureBinder.bind(((TextureAttribute)(combinedAttributes
		.get(PBRTextureAttribute.BaseColorTexture))).textureDescription);
	shader.set(inputID, unit);
}
 

public static TextureAttribute getTextureAttribute() {
  if (!load()) return null;
  return loadedTextureAttribute;
}
 

/**
 * Creates a plane, used for testing
 * @param size the size of the plane
 * @return
 */
public static TerrainChunk CreatePlaneChunk (float size) {
	TerrainChunk chunk = new TerrainChunk();
	// graphical representation of the ground
	Log.debug("createLevel - create ground");
	if (Main.isClient()) {
		ModelBuilder mb = new ModelBuilder();
		mb.begin();
		Vector3 bl = new Vector3();
		Vector3 tl = new Vector3();
		Vector3 tr = new Vector3();
		Vector3 br = new Vector3();
		Vector3 norm = new Vector3(0f, 1f, 0f);
		// the size of each rect that makes up the ground
		Texture groundTex = Assets.manager.get("textures/ground1.jpg", Texture.class);
		Material groundMat = new Material(TextureAttribute.createDiffuse(groundTex));
		MeshPartBuilder mpb = mb.part("ground", GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.TextureCoordinates,
			groundMat);
		float u1 = 0f;
		float v1 = 0f;
		float u2 = size / 5f;
		float v2 = size / 5f;
		mpb.setUVRange(u1, v1, u2, v2);
		bl.set(0, 0, 0);
		tl.set(0, 0, size);
		tr.set(size, 0, size);
		br.set(size, 0, 0);
		// mpb.rect(bl, tl, tr, br, norm);
		int divisions = ((int)size) / 4;
		mpb.patch(bl, tl, tr, br, norm, divisions, divisions);
		Model groundModel = mb.end();
		chunk.modelInstance = new ModelInstance(groundModel);
	}

	// physical representation of the ground
	btCollisionObject groundObj = new btCollisionObject();
	btCollisionShape groundShape = new btStaticPlaneShape(Vector3.Y, 0f);
	groundObj.setCollisionShape(groundShape);
	Physics.applyStaticGeometryCollisionFlags(groundObj);
	Physics.inst.addStaticGeometryToWorld(groundObj);

	chunk.body = groundObj;
	return chunk;
}
 

public TerrainChunk setNormalMap(Texture normal) {
	modelInstance.materials.get(0).set(TextureAttribute.createNormal(normal));
	return this;
}
 

private void updateModelInstances() {
    if(opaqueFaces != null) {
        if(opaqueModel != null)
            opaqueModel.dispose();

        Mesh opaqueMesh = mesher.meshFaces(opaqueFaces, meshBuilder);
        modelBuilder.begin();
        modelBuilder.part(String.format("c-%d,%d", startPosition.x, startPosition.z), opaqueMesh, GL20.GL_TRIANGLES,
                new Material(TextureAttribute.createDiffuse(NormalBlockRenderer.getBlockMap())));
        opaqueModel = modelBuilder.end();

        opaqueModelInstance = new ModelInstance(opaqueModel) {
            @Override
            public Renderable getRenderable(final Renderable out, final Node node,
                                            final NodePart nodePart) {
                super.getRenderable(out, node, nodePart);
                if(RadixClient.getInstance().isWireframe()) {
                    out.primitiveType = GL20.GL_LINES;
                } else {
                    out.primitiveType = GL20.GL_TRIANGLES;
                }
                return out;
            }
        };

        opaqueFaces = null;
    }

    if(translucentFaces != null) {
        if(translucentModel != null)
            translucentModel.dispose();

        Mesh translucentMesh = mesher.meshFaces(translucentFaces, meshBuilder);
        modelBuilder.begin();
        modelBuilder.part(String.format("c-%d,%d-t", startPosition.x, startPosition.z), translucentMesh, GL20.GL_TRIANGLES,
                new Material(TextureAttribute.createDiffuse(NormalBlockRenderer.getBlockMap()),
                        new BlendingAttribute(),
                        FloatAttribute.createAlphaTest(0.25f)));
        translucentModel = modelBuilder.end();

        translucentModelInstance = new ModelInstance(translucentModel) {
            @Override
            public Renderable getRenderable(final Renderable out, final Node node,
                                            final NodePart nodePart) {
                super.getRenderable(out, node, nodePart);
                if(RadixClient.getInstance().isWireframe()) {
                    out.primitiveType = GL20.GL_LINES;
                } else {
                    out.primitiveType = GL20.GL_TRIANGLES;
                }
                return out;
            }
        };

        translucentFaces = null;
    }
}
 

@Override
public void set (BaseShader shader, int inputID, Renderable renderable, Attributes combinedAttributes) {
	final int unit = shader.context.textureBinder.bind(((TextureAttribute)(combinedAttributes
		.get(PBRTextureAttribute.OcclusionTexture))).textureDescription);
	shader.set(inputID, unit);
}
 

public static void createLevel() {
	// graphical representation of the ground
	Log.debug("createLevel - create ground");
	if (Main.isClient()) {
		ModelBuilder mb = new ModelBuilder();
		mb.begin();
		Vector3 bl = new Vector3();
		Vector3 tl = new Vector3();
		Vector3 tr = new Vector3();
		Vector3 br = new Vector3();
		Vector3 norm = new Vector3(0f, 1f, 0f);
		// the size of each rect that makes up the ground
		Texture groundTex = Assets.manager.get("textures/ground1.jpg", Texture.class);
		Material groundMat = new Material(TextureAttribute.createDiffuse(groundTex));
		MeshPartBuilder mpb = mb.part("ground", GL20.GL_TRIANGLES, Usage.Position | Usage.Normal | Usage.TextureCoordinates, groundMat);
		float u1 = 0f;
		float v1 = 0f;
		float u2 = groundPieceSize / 5f;
		float v2 = groundPieceSize / 5f;
		mpb.setUVRange(u1, v1, u2, v2);
		bl.set(0, 0, 0);
		tl.set(0, 0, groundPieceSize);
		tr.set(groundPieceSize, 0, groundPieceSize);
		br.set(groundPieceSize, 0, 0);
		//mpb.rect(bl, tl, tr, br, norm);
		int divisions = ((int) groundPieceSize) / 4;
		mpb.patch(bl, tl, tr, br, norm, divisions, divisions);
		Model groundModel = mb.end();
		models.add(groundModel);
		groundPieces.clear();
		int count = 0;
		for (int x = 0; x < GameWorld.WORLD_WIDTH; x += groundPieceSize) {
			for (int z = 0; z < GameWorld.WORLD_DEPTH; z += groundPieceSize) {
				count++;
				ModelInstance groundPiece = new ModelInstance(groundModel);
				groundPiece.transform.setToTranslation(x, 0f, z);
				groundPieces.add(groundPiece);
			}
		}
		Log.debug("createLevel - created " + count + " groundPieces");
	}

	// physical representation of the ground
	btCollisionObject groundObj = new btCollisionObject();
	btCollisionShape groundShape = new btStaticPlaneShape(Vector3.Y, 0f);
	groundObj.setCollisionShape(groundShape);
	Physics.applyStaticGeometryCollisionFlags(groundObj);
	Physics.inst.addStaticGeometryToWorld(groundObj);

	if (Main.isServer()) {
		Log.debug("createLevel - create static models");
		// server creates static models here, client will create the models when received from server upon connection
		createStaticModels(25);
	}

	Log.debug("createLevel - create boxes");
	Box.createBoxes(10);
}
 

@Override
public void set (BaseShader shader, int inputID, Renderable renderable, Attributes combinedAttributes) {
	final int unit = shader.context.textureBinder.bind(((TextureAttribute)(combinedAttributes
		.get(PBRTextureAttribute.MetallicRoughnessTexture))).textureDescription);
	shader.set(inputID, unit);
}
 

@Override
public void set (BaseShader shader, int inputID, Renderable renderable, Attributes combinedAttributes) {
	final int unit = shader.context.textureBinder.bind(((TextureAttribute)(combinedAttributes
		.get(PBRTextureAttribute.NormalTexture))).textureDescription);
	shader.set(inputID, unit);
}
 

@Override
public void set (BaseShader shader, int inputID, Renderable renderable, Attributes combinedAttributes) {
	final int unit = shader.context.textureBinder.bind(((TextureAttribute)(combinedAttributes
		.get(PBRTextureAttribute.EmissiveTexture))).textureDescription);
	shader.set(inputID, unit);
}