Examples with FloatArray org.sunflow.util.FloatArray used on opensource projects

Example 1 with FloatArray

use of org.sunflow.util.FloatArray in project joons-renderer by joonhyublee.

the class ShaveRibParser method parseFloatArray.

private float[] parseFloatArray(Parser p) throws IOException {
    FloatArray array = new FloatArray();
    boolean done = false;
    do {
        String s = p.getNextToken();
        if (s.startsWith("[")) {
            s = s.substring(1);
        }
        if (s.endsWith("]")) {
            s = s.substring(0, s.length() - 1);
            done = true;
        }
        array.add(Float.parseFloat(s));
    } while (!done);
    return array.trim();
}

Example 2 with FloatArray

use of org.sunflow.util.FloatArray in project joons-renderer by joonhyublee.

the class Gumbo method parseFloatArray.

private static float[] parseFloatArray(Parser p) throws IOException {
    FloatArray array = new FloatArray();
    boolean done = false;
    do {
        String s = p.getNextToken();
        if (s.startsWith("[")) {
            s = s.substring(1);
        }
        if (s.endsWith("]")) {
            s = s.substring(0, s.length() - 1);
            done = true;
        }
        array.add(Float.parseFloat(s));
    } while (!done);
    return array.trim();
}

Example 3 with FloatArray

use of org.sunflow.util.FloatArray in project joons-renderer by joonhyublee.

the class FileMesh method tesselate.

public PrimitiveList tesselate() {
    if (filename.endsWith(".ra3")) {
        try {
            UI.printInfo(Module.GEOM, "RA3 - Reading geometry: \"%s\" ...", filename);
            File file = new File(filename);
            FileInputStream stream = new FileInputStream(filename);
            MappedByteBuffer map = stream.getChannel().map(FileChannel.MapMode.READ_ONLY, 0, file.length());
            map.order(ByteOrder.LITTLE_ENDIAN);
            IntBuffer ints = map.asIntBuffer();
            FloatBuffer buffer = map.asFloatBuffer();
            int numVerts = ints.get(0);
            int numTris = ints.get(1);
            UI.printInfo(Module.GEOM, "RA3 -   * Reading %d vertices ...", numVerts);
            float[] verts = new float[3 * numVerts];
            for (int i = 0; i < verts.length; i++) {
                verts[i] = buffer.get(2 + i);
            }
            UI.printInfo(Module.GEOM, "RA3 -   * Reading %d triangles ...", numTris);
            int[] tris = new int[3 * numTris];
            for (int i = 0; i < tris.length; i++) {
                tris[i] = ints.get(2 + verts.length + i);
            }
            stream.close();
            UI.printInfo(Module.GEOM, "RA3 -   * Creating mesh ...");
            return generate(tris, verts, smoothNormals);
        } catch (FileNotFoundException e) {
            Logger.getLogger(FileMesh.class.getName()).log(Level.SEVERE, null, e);
            UI.printError(Module.GEOM, "Unable to read mesh file \"%s\" - file not found", filename);
        } catch (IOException e) {
            Logger.getLogger(FileMesh.class.getName()).log(Level.SEVERE, null, e);
            UI.printError(Module.GEOM, "Unable to read mesh file \"%s\" - I/O error occured", filename);
        }
    } else if (filename.endsWith(".obj")) {
        int lineNumber = 1;
        try {
            UI.printInfo(Module.GEOM, "OBJ - Reading geometry: \"%s\" ...", filename);
            FloatArray verts = new FloatArray();
            IntArray tris = new IntArray();
            FileReader file = new FileReader(filename);
            BufferedReader bf = new BufferedReader(file);
            String line;
            while ((line = bf.readLine()) != null) {
                if (line.startsWith("v")) {
                    String[] v = line.split("\\s+");
                    verts.add(Float.parseFloat(v[1]));
                    verts.add(Float.parseFloat(v[2]));
                    verts.add(Float.parseFloat(v[3]));
                } else if (line.startsWith("f")) {
                    String[] f = line.split("\\s+");
                    if (f.length == 5) {
                        tris.add(Integer.parseInt(f[1]) - 1);
                        tris.add(Integer.parseInt(f[2]) - 1);
                        tris.add(Integer.parseInt(f[3]) - 1);
                        tris.add(Integer.parseInt(f[1]) - 1);
                        tris.add(Integer.parseInt(f[3]) - 1);
                        tris.add(Integer.parseInt(f[4]) - 1);
                    } else if (f.length == 4) {
                        tris.add(Integer.parseInt(f[1]) - 1);
                        tris.add(Integer.parseInt(f[2]) - 1);
                        tris.add(Integer.parseInt(f[3]) - 1);
                    }
                }
                if (lineNumber % 100000 == 0) {
                    UI.printInfo(Module.GEOM, "OBJ -   * Parsed %7d lines ...", lineNumber);
                }
                lineNumber++;
            }
            file.close();
            UI.printInfo(Module.GEOM, "OBJ -   * Creating mesh ...");
            return generate(tris.trim(), verts.trim(), smoothNormals);
        } catch (FileNotFoundException e) {
            Logger.getLogger(FileMesh.class.getName()).log(Level.SEVERE, null, e);
            UI.printError(Module.GEOM, "Unable to read mesh file \"%s\" - file not found", filename);
        } catch (NumberFormatException e) {
            Logger.getLogger(FileMesh.class.getName()).log(Level.SEVERE, null, e);
            UI.printError(Module.GEOM, "Unable to read mesh file \"%s\" - syntax error at line %d", lineNumber);
        } catch (IOException e) {
            Logger.getLogger(FileMesh.class.getName()).log(Level.SEVERE, null, e);
            UI.printError(Module.GEOM, "Unable to read mesh file \"%s\" - I/O error occured", filename);
        }
    } else if (filename.endsWith(".stl")) {
        try {
            UI.printInfo(Module.GEOM, "STL - Reading geometry: \"%s\" ...", filename);
            FileInputStream file = new FileInputStream(filename);
            DataInputStream stream = new DataInputStream(new BufferedInputStream(file));
            file.skip(80);
            int numTris = getLittleEndianInt(stream.readInt());
            UI.printInfo(Module.GEOM, "STL -   * Reading %d triangles ...", numTris);
            long filesize = new File(filename).length();
            if (filesize != (84 + 50 * numTris)) {
                UI.printWarning(Module.GEOM, "STL - Size of file mismatch (expecting %s, found %s)", Memory.bytesToString(84 + 14 * numTris), Memory.bytesToString(filesize));
                return null;
            }
            int[] tris = new int[3 * numTris];
            float[] verts = new float[9 * numTris];
            for (int i = 0, i3 = 0, index = 0; i < numTris; i++, i3 += 3) {
                // skip normal
                stream.readInt();
                stream.readInt();
                stream.readInt();
                for (int j = 0; j < 3; j++, index += 3) {
                    tris[i3 + j] = i3 + j;
                    // get xyz
                    verts[index + 0] = getLittleEndianFloat(stream.readInt());
                    verts[index + 1] = getLittleEndianFloat(stream.readInt());
                    verts[index + 2] = getLittleEndianFloat(stream.readInt());
                }
                stream.readShort();
                if ((i + 1) % 100000 == 0) {
                    UI.printInfo(Module.GEOM, "STL -   * Parsed %7d triangles ...", i + 1);
                }
            }
            file.close();
            // create geometry
            UI.printInfo(Module.GEOM, "STL -   * Creating mesh ...");
            if (smoothNormals) {
                UI.printWarning(Module.GEOM, "STL - format does not support shared vertices - normal smoothing disabled");
            }
            return generate(tris, verts, false);
        } catch (FileNotFoundException e) {
            Logger.getLogger(FileMesh.class.getName()).log(Level.SEVERE, null, e);
            UI.printError(Module.GEOM, "Unable to read mesh file \"%s\" - file not found", filename);
        } catch (IOException e) {
            Logger.getLogger(FileMesh.class.getName()).log(Level.SEVERE, null, e);
            UI.printError(Module.GEOM, "Unable to read mesh file \"%s\" - I/O error occured", filename);
        }
    } else {
        UI.printWarning(Module.GEOM, "Unable to read mesh file \"%s\" - unrecognized format", filename);
    }
    return null;
}