Examples with ModelMaterial com.badlogic.gdx.graphics.g3d.model.data.ModelMaterial used on opensource projects

Example 6 with ModelMaterial

use of com.badlogic.gdx.graphics.g3d.model.data.ModelMaterial in project libgdx by libgdx.

the class MtlLoader method load.

/** loads .mtl file */
public void load(FileHandle file) {
    String line;
    String[] tokens;
    String curMatName = "default";
    Color difcolor = Color.WHITE;
    Color speccolor = Color.WHITE;
    float opacity = 1.f;
    float shininess = 0.f;
    String texFilename = null;
    if (file == null || file.exists() == false)
        return;
    BufferedReader reader = new BufferedReader(new InputStreamReader(file.read()), 4096);
    try {
        while ((line = reader.readLine()) != null) {
            if (line.length() > 0 && line.charAt(0) == '\t')
                line = line.substring(1).trim();
            tokens = line.split("\\s+");
            if (tokens[0].length() == 0) {
                continue;
            } else if (tokens[0].charAt(0) == '#')
                continue;
            else {
                final String key = tokens[0].toLowerCase();
                if (key.equals("newmtl")) {
                    ModelMaterial mat = new ModelMaterial();
                    mat.id = curMatName;
                    mat.diffuse = new Color(difcolor);
                    mat.specular = new Color(speccolor);
                    mat.opacity = opacity;
                    mat.shininess = shininess;
                    if (texFilename != null) {
                        ModelTexture tex = new ModelTexture();
                        tex.usage = ModelTexture.USAGE_DIFFUSE;
                        tex.fileName = new String(texFilename);
                        if (mat.textures == null)
                            mat.textures = new Array<ModelTexture>(1);
                        mat.textures.add(tex);
                    }
                    materials.add(mat);
                    if (tokens.length > 1) {
                        curMatName = tokens[1];
                        curMatName = curMatName.replace('.', '_');
                    } else
                        curMatName = "default";
                    difcolor = Color.WHITE;
                    speccolor = Color.WHITE;
                    opacity = 1.f;
                    shininess = 0.f;
                } else if (// diffuse or specular
                key.equals("kd") || key.equals("ks")) {
                    float r = Float.parseFloat(tokens[1]);
                    float g = Float.parseFloat(tokens[2]);
                    float b = Float.parseFloat(tokens[3]);
                    float a = 1;
                    if (tokens.length > 4)
                        a = Float.parseFloat(tokens[4]);
                    if (tokens[0].toLowerCase().equals("kd")) {
                        difcolor = new Color();
                        difcolor.set(r, g, b, a);
                    } else {
                        speccolor = new Color();
                        speccolor.set(r, g, b, a);
                    }
                } else if (key.equals("tr") || key.equals("d")) {
                    opacity = Float.parseFloat(tokens[1]);
                } else if (key.equals("ns")) {
                    shininess = Float.parseFloat(tokens[1]);
                } else if (key.equals("map_kd")) {
                    texFilename = file.parent().child(tokens[1]).path();
                }
            }
        }
        reader.close();
    } catch (IOException e) {
        return;
    }
    // last material
    ModelMaterial mat = new ModelMaterial();
    mat.id = curMatName;
    mat.diffuse = new Color(difcolor);
    mat.specular = new Color(speccolor);
    mat.opacity = opacity;
    mat.shininess = shininess;
    if (texFilename != null) {
        ModelTexture tex = new ModelTexture();
        tex.usage = ModelTexture.USAGE_DIFFUSE;
        tex.fileName = new String(texFilename);
        if (mat.textures == null)
            mat.textures = new Array<ModelTexture>(1);
        mat.textures.add(tex);
    }
    materials.add(mat);
    return;
}

Example 7 with ModelMaterial

use of com.badlogic.gdx.graphics.g3d.model.data.ModelMaterial in project libgdx by libgdx.

the class Model method convertMaterial.

protected Material convertMaterial(ModelMaterial mtl, TextureProvider textureProvider) {
    Material result = new Material();
    result.id = mtl.id;
    if (mtl.ambient != null)
        result.set(new ColorAttribute(ColorAttribute.Ambient, mtl.ambient));
    if (mtl.diffuse != null)
        result.set(new ColorAttribute(ColorAttribute.Diffuse, mtl.diffuse));
    if (mtl.specular != null)
        result.set(new ColorAttribute(ColorAttribute.Specular, mtl.specular));
    if (mtl.emissive != null)
        result.set(new ColorAttribute(ColorAttribute.Emissive, mtl.emissive));
    if (mtl.reflection != null)
        result.set(new ColorAttribute(ColorAttribute.Reflection, mtl.reflection));
    if (mtl.shininess > 0f)
        result.set(new FloatAttribute(FloatAttribute.Shininess, mtl.shininess));
    if (mtl.opacity != 1.f)
        result.set(new BlendingAttribute(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA, mtl.opacity));
    ObjectMap<String, Texture> textures = new ObjectMap<String, Texture>();
    // FIXME uvScaling/uvTranslation totally ignored
    if (mtl.textures != null) {
        for (ModelTexture tex : mtl.textures) {
            Texture texture;
            if (textures.containsKey(tex.fileName)) {
                texture = textures.get(tex.fileName);
            } else {
                texture = textureProvider.load(tex.fileName);
                textures.put(tex.fileName, texture);
                disposables.add(texture);
            }
            TextureDescriptor descriptor = new TextureDescriptor(texture);
            descriptor.minFilter = texture.getMinFilter();
            descriptor.magFilter = texture.getMagFilter();
            descriptor.uWrap = texture.getUWrap();
            descriptor.vWrap = texture.getVWrap();
            float offsetU = tex.uvTranslation == null ? 0f : tex.uvTranslation.x;
            float offsetV = tex.uvTranslation == null ? 0f : tex.uvTranslation.y;
            float scaleU = tex.uvScaling == null ? 1f : tex.uvScaling.x;
            float scaleV = tex.uvScaling == null ? 1f : tex.uvScaling.y;
            switch(tex.usage) {
                case ModelTexture.USAGE_DIFFUSE:
                    result.set(new TextureAttribute(TextureAttribute.Diffuse, descriptor, offsetU, offsetV, scaleU, scaleV));
                    break;
                case ModelTexture.USAGE_SPECULAR:
                    result.set(new TextureAttribute(TextureAttribute.Specular, descriptor, offsetU, offsetV, scaleU, scaleV));
                    break;
                case ModelTexture.USAGE_BUMP:
                    result.set(new TextureAttribute(TextureAttribute.Bump, descriptor, offsetU, offsetV, scaleU, scaleV));
                    break;
                case ModelTexture.USAGE_NORMAL:
                    result.set(new TextureAttribute(TextureAttribute.Normal, descriptor, offsetU, offsetV, scaleU, scaleV));
                    break;
                case ModelTexture.USAGE_AMBIENT:
                    result.set(new TextureAttribute(TextureAttribute.Ambient, descriptor, offsetU, offsetV, scaleU, scaleV));
                    break;
                case ModelTexture.USAGE_EMISSIVE:
                    result.set(new TextureAttribute(TextureAttribute.Emissive, descriptor, offsetU, offsetV, scaleU, scaleV));
                    break;
                case ModelTexture.USAGE_REFLECTION:
                    result.set(new TextureAttribute(TextureAttribute.Reflection, descriptor, offsetU, offsetV, scaleU, scaleV));
                    break;
            }
        }
    }
    return result;
}