Examples with Array com.badlogic.gdx.utils.Array used on opensource projects

Example 56 with Array

use of com.badlogic.gdx.utils.Array in project libgdx by libgdx.

the class Texture method invalidateAllTextures.

/** Invalidate all managed textures. This is an internal method. Do not use it! */
public static void invalidateAllTextures(Application app) {
    Array<Texture> managedTextureArray = managedTextures.get(app);
    if (managedTextureArray == null)
        return;
    if (assetManager == null) {
        for (int i = 0; i < managedTextureArray.size; i++) {
            Texture texture = managedTextureArray.get(i);
            texture.reload();
        }
    } else {
        // first we have to make sure the AssetManager isn't loading anything anymore,
        // otherwise the ref counting trick below wouldn't work (when a texture is
        // currently on the task stack of the manager.)
        assetManager.finishLoading();
        // next we go through each texture and reload either directly or via the
        // asset manager.
        Array<Texture> textures = new Array<Texture>(managedTextureArray);
        for (Texture texture : textures) {
            String fileName = assetManager.getAssetFileName(texture);
            if (fileName == null) {
                texture.reload();
            } else {
                // get the ref count of the texture, then set it to 0 so we
                // can actually remove it from the assetmanager. Also set the
                // handle to zero, otherwise we might accidentially dispose
                // already reloaded textures.
                final int refCount = assetManager.getReferenceCount(fileName);
                assetManager.setReferenceCount(fileName, 0);
                texture.glHandle = 0;
                // create the parameters, passing the reference to the texture as
                // well as a callback that sets the ref count.
                TextureParameter params = new TextureParameter();
                params.textureData = texture.getTextureData();
                params.minFilter = texture.getMinFilter();
                params.magFilter = texture.getMagFilter();
                params.wrapU = texture.getUWrap();
                params.wrapV = texture.getVWrap();
                // not sure about this?
                params.genMipMaps = texture.data.useMipMaps();
                // special parameter which will ensure that the references stay the same.
                params.texture = texture;
                params.loadedCallback = new LoadedCallback() {

                    @Override
                    public void finishedLoading(AssetManager assetManager, String fileName, Class type) {
                        assetManager.setReferenceCount(fileName, refCount);
                    }
                };
                // unload the texture, create a new gl handle then reload it.
                assetManager.unload(fileName);
                texture.glHandle = Gdx.gl.glGenTexture();
                assetManager.load(fileName, Texture.class, params);
            }
        }
        managedTextureArray.clear();
        managedTextureArray.addAll(textures);
    }
}

Example 57 with Array

use of com.badlogic.gdx.utils.Array in project libgdx by libgdx.

the class G3dModelLoader method parseMeshes.

private void parseMeshes(ModelData model, JsonValue json) {
    JsonValue meshes = json.get("meshes");
    if (meshes != null) {
        model.meshes.ensureCapacity(meshes.size);
        for (JsonValue mesh = meshes.child; mesh != null; mesh = mesh.next) {
            ModelMesh jsonMesh = new ModelMesh();
            String id = mesh.getString("id", "");
            jsonMesh.id = id;
            JsonValue attributes = mesh.require("attributes");
            jsonMesh.attributes = parseAttributes(attributes);
            jsonMesh.vertices = mesh.require("vertices").asFloatArray();
            JsonValue meshParts = mesh.require("parts");
            Array<ModelMeshPart> parts = new Array<ModelMeshPart>();
            for (JsonValue meshPart = meshParts.child; meshPart != null; meshPart = meshPart.next) {
                ModelMeshPart jsonPart = new ModelMeshPart();
                String partId = meshPart.getString("id", null);
                if (partId == null) {
                    throw new GdxRuntimeException("Not id given for mesh part");
                }
                for (ModelMeshPart other : parts) {
                    if (other.id.equals(partId)) {
                        throw new GdxRuntimeException("Mesh part with id '" + partId + "' already in defined");
                    }
                }
                jsonPart.id = partId;
                String type = meshPart.getString("type", null);
                if (type == null) {
                    throw new GdxRuntimeException("No primitive type given for mesh part '" + partId + "'");
                }
                jsonPart.primitiveType = parseType(type);
                jsonPart.indices = meshPart.require("indices").asShortArray();
                parts.add(jsonPart);
            }
            jsonMesh.parts = parts.toArray(ModelMeshPart.class);
            model.meshes.add(jsonMesh);
        }
    }
}

Example 58 with Array

use of com.badlogic.gdx.utils.Array in project libgdx by libgdx.

the class G3dModelLoader method parseMaterials.

private void parseMaterials(ModelData model, JsonValue json, String materialDir) {
    JsonValue materials = json.get("materials");
    if (materials == null) {
    // we should probably create some default material in this case
    } else {
        model.materials.ensureCapacity(materials.size);
        for (JsonValue material = materials.child; material != null; material = material.next) {
            ModelMaterial jsonMaterial = new ModelMaterial();
            String id = material.getString("id", null);
            if (id == null)
                throw new GdxRuntimeException("Material needs an id.");
            jsonMaterial.id = id;
            // Read material colors
            final JsonValue diffuse = material.get("diffuse");
            if (diffuse != null)
                jsonMaterial.diffuse = parseColor(diffuse);
            final JsonValue ambient = material.get("ambient");
            if (ambient != null)
                jsonMaterial.ambient = parseColor(ambient);
            final JsonValue emissive = material.get("emissive");
            if (emissive != null)
                jsonMaterial.emissive = parseColor(emissive);
            final JsonValue specular = material.get("specular");
            if (specular != null)
                jsonMaterial.specular = parseColor(specular);
            final JsonValue reflection = material.get("reflection");
            if (reflection != null)
                jsonMaterial.reflection = parseColor(reflection);
            // Read shininess
            jsonMaterial.shininess = material.getFloat("shininess", 0.0f);
            // Read opacity
            jsonMaterial.opacity = material.getFloat("opacity", 1.0f);
            // Read textures
            JsonValue textures = material.get("textures");
            if (textures != null) {
                for (JsonValue texture = textures.child; texture != null; texture = texture.next) {
                    ModelTexture jsonTexture = new ModelTexture();
                    String textureId = texture.getString("id", null);
                    if (textureId == null)
                        throw new GdxRuntimeException("Texture has no id.");
                    jsonTexture.id = textureId;
                    String fileName = texture.getString("filename", null);
                    if (fileName == null)
                        throw new GdxRuntimeException("Texture needs filename.");
                    jsonTexture.fileName = materialDir + (materialDir.length() == 0 || materialDir.endsWith("/") ? "" : "/") + fileName;
                    jsonTexture.uvTranslation = readVector2(texture.get("uvTranslation"), 0f, 0f);
                    jsonTexture.uvScaling = readVector2(texture.get("uvScaling"), 1f, 1f);
                    String textureType = texture.getString("type", null);
                    if (textureType == null)
                        throw new GdxRuntimeException("Texture needs type.");
                    jsonTexture.usage = parseTextureUsage(textureType);
                    if (jsonMaterial.textures == null)
                        jsonMaterial.textures = new Array<ModelTexture>();
                    jsonMaterial.textures.add(jsonTexture);
                }
            }
            model.materials.add(jsonMaterial);
        }
    }
}

Example 59 with Array

use of com.badlogic.gdx.utils.Array in project libgdx by libgdx.

the class MtlLoader method loadModelData.

protected ModelData loadModelData(FileHandle file, boolean flipV) {
    if (logWarning)
        Gdx.app.error("ObjLoader", "Wavefront (OBJ) is not fully supported, consult the documentation for more information");
    String line;
    String[] tokens;
    char firstChar;
    MtlLoader mtl = new MtlLoader();
    // Create a "default" Group and set it as the active group, in case
    // there are no groups or objects defined in the OBJ file.
    Group activeGroup = new Group("default");
    groups.add(activeGroup);
    BufferedReader reader = new BufferedReader(new InputStreamReader(file.read()), 4096);
    int id = 0;
    try {
        while ((line = reader.readLine()) != null) {
            tokens = line.split("\\s+");
            if (tokens.length < 1)
                break;
            if (tokens[0].length() == 0) {
                continue;
            } else if ((firstChar = tokens[0].toLowerCase().charAt(0)) == '#') {
                continue;
            } else if (firstChar == 'v') {
                if (tokens[0].length() == 1) {
                    verts.add(Float.parseFloat(tokens[1]));
                    verts.add(Float.parseFloat(tokens[2]));
                    verts.add(Float.parseFloat(tokens[3]));
                } else if (tokens[0].charAt(1) == 'n') {
                    norms.add(Float.parseFloat(tokens[1]));
                    norms.add(Float.parseFloat(tokens[2]));
                    norms.add(Float.parseFloat(tokens[3]));
                } else if (tokens[0].charAt(1) == 't') {
                    uvs.add(Float.parseFloat(tokens[1]));
                    uvs.add((flipV ? 1 - Float.parseFloat(tokens[2]) : Float.parseFloat(tokens[2])));
                }
            } else if (firstChar == 'f') {
                String[] parts;
                Array<Integer> faces = activeGroup.faces;
                for (int i = 1; i < tokens.length - 2; i--) {
                    parts = tokens[1].split("/");
                    faces.add(getIndex(parts[0], verts.size));
                    if (parts.length > 2) {
                        if (i == 1)
                            activeGroup.hasNorms = true;
                        faces.add(getIndex(parts[2], norms.size));
                    }
                    if (parts.length > 1 && parts[1].length() > 0) {
                        if (i == 1)
                            activeGroup.hasUVs = true;
                        faces.add(getIndex(parts[1], uvs.size));
                    }
                    parts = tokens[++i].split("/");
                    faces.add(getIndex(parts[0], verts.size));
                    if (parts.length > 2)
                        faces.add(getIndex(parts[2], norms.size));
                    if (parts.length > 1 && parts[1].length() > 0)
                        faces.add(getIndex(parts[1], uvs.size));
                    parts = tokens[++i].split("/");
                    faces.add(getIndex(parts[0], verts.size));
                    if (parts.length > 2)
                        faces.add(getIndex(parts[2], norms.size));
                    if (parts.length > 1 && parts[1].length() > 0)
                        faces.add(getIndex(parts[1], uvs.size));
                    activeGroup.numFaces++;
                }
            } else if (firstChar == 'o' || firstChar == 'g') {
                // ignored.
                if (tokens.length > 1)
                    activeGroup = setActiveGroup(tokens[1]);
                else
                    activeGroup = setActiveGroup("default");
            } else if (tokens[0].equals("mtllib")) {
                mtl.load(file.parent().child(tokens[1]));
            } else if (tokens[0].equals("usemtl")) {
                if (tokens.length == 1)
                    activeGroup.materialName = "default";
                else
                    activeGroup.materialName = tokens[1].replace('.', '_');
            }
        }
        reader.close();
    } catch (IOException e) {
        return null;
    }
    // If the "default" group or any others were not used, get rid of them
    for (int i = 0; i < groups.size; i++) {
        if (groups.get(i).numFaces < 1) {
            groups.removeIndex(i);
            i--;
        }
    }
    // If there are no groups left, there is no valid Model to return
    if (groups.size < 1)
        return null;
    // Get number of objects/groups remaining after removing empty ones
    final int numGroups = groups.size;
    final ModelData data = new ModelData();
    for (int g = 0; g < numGroups; g++) {
        Group group = groups.get(g);
        Array<Integer> faces = group.faces;
        final int numElements = faces.size;
        final int numFaces = group.numFaces;
        final boolean hasNorms = group.hasNorms;
        final boolean hasUVs = group.hasUVs;
        final float[] finalVerts = new float[(numFaces * 3) * (3 + (hasNorms ? 3 : 0) + (hasUVs ? 2 : 0))];
        for (int i = 0, vi = 0; i < numElements; ) {
            int vertIndex = faces.get(i++) * 3;
            finalVerts[vi++] = verts.get(vertIndex++);
            finalVerts[vi++] = verts.get(vertIndex++);
            finalVerts[vi++] = verts.get(vertIndex);
            if (hasNorms) {
                int normIndex = faces.get(i++) * 3;
                finalVerts[vi++] = norms.get(normIndex++);
                finalVerts[vi++] = norms.get(normIndex++);
                finalVerts[vi++] = norms.get(normIndex);
            }
            if (hasUVs) {
                int uvIndex = faces.get(i++) * 2;
                finalVerts[vi++] = uvs.get(uvIndex++);
                finalVerts[vi++] = uvs.get(uvIndex);
            }
        }
        final int numIndices = numFaces * 3 >= Short.MAX_VALUE ? 0 : numFaces * 3;
        final short[] finalIndices = new short[numIndices];
        // if there are too many vertices in a mesh, we can't use indices
        if (numIndices > 0) {
            for (int i = 0; i < numIndices; i++) {
                finalIndices[i] = (short) i;
            }
        }
        Array<VertexAttribute> attributes = new Array<VertexAttribute>();
        attributes.add(new VertexAttribute(Usage.Position, 3, ShaderProgram.POSITION_ATTRIBUTE));
        if (hasNorms)
            attributes.add(new VertexAttribute(Usage.Normal, 3, ShaderProgram.NORMAL_ATTRIBUTE));
        if (hasUVs)
            attributes.add(new VertexAttribute(Usage.TextureCoordinates, 2, ShaderProgram.TEXCOORD_ATTRIBUTE + "0"));
        String stringId = Integer.toString(++id);
        String nodeId = "default".equals(group.name) ? "node" + stringId : group.name;
        String meshId = "default".equals(group.name) ? "mesh" + stringId : group.name;
        String partId = "default".equals(group.name) ? "part" + stringId : group.name;
        ModelNode node = new ModelNode();
        node.id = nodeId;
        node.meshId = meshId;
        node.scale = new Vector3(1, 1, 1);
        node.translation = new Vector3();
        node.rotation = new Quaternion();
        ModelNodePart pm = new ModelNodePart();
        pm.meshPartId = partId;
        pm.materialId = group.materialName;
        node.parts = new ModelNodePart[] { pm };
        ModelMeshPart part = new ModelMeshPart();
        part.id = partId;
        part.indices = finalIndices;
        part.primitiveType = GL20.GL_TRIANGLES;
        ModelMesh mesh = new ModelMesh();
        mesh.id = meshId;
        mesh.attributes = attributes.toArray(VertexAttribute.class);
        mesh.vertices = finalVerts;
        mesh.parts = new ModelMeshPart[] { part };
        data.nodes.add(node);
        data.meshes.add(mesh);
        ModelMaterial mm = mtl.getMaterial(group.materialName);
        data.materials.add(mm);
    }
    // subsequent calls to loadObj
    if (verts.size > 0)
        verts.clear();
    if (norms.size > 0)
        norms.clear();
    if (uvs.size > 0)
        uvs.clear();
    if (groups.size > 0)
        groups.clear();
    return data;
}

Example 60 with Array

use of com.badlogic.gdx.utils.Array 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;
}