private static void setUpLighting() {
glShadeModel(GL_SMOOTH);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glLightModel(
GL_LIGHT_MODEL_AMBIENT,
BufferTools.asFlippedFloatBuffer(new float[] {0.05f, 0.05f, 0.05f, 1f}));
glLight(GL_LIGHT0, GL_POSITION, BufferTools.asFlippedFloatBuffer(new float[] {0, 0, 0, 1}));
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glEnable(GL_COLOR_MATERIAL);
glColorMaterial(GL_FRONT, GL_DIFFUSE);
}
protected void unpackFrameData(byte[] bytes) throws InvalidDataException {
int marker;
for (marker = 1; marker < bytes.length; marker++) {
if (bytes[marker] == 0) break;
}
mimeType = BufferTools.byteBufferToString(bytes, 1, marker - 1);
pictureType = bytes[marker + 1];
marker += 2;
int marker2;
for (marker2 = marker; marker2 < bytes.length; marker2++) {
if (bytes[marker2] == 0) break;
}
description =
new EncodedText(bytes[0], BufferTools.copyBuffer(bytes, marker, marker2 - marker));
imageData = BufferTools.copyBuffer(bytes, marker2 + 1, bytes.length - marker2 - 1);
}
public void packTag(byte[] bytes) {
Arrays.fill(bytes, (byte) 0);
BufferTools.stringIntoByteBuffer(TAG, 0, 3, bytes, 0);
packField(bytes, title, TITLE_LENGTH, TITLE_OFFSET);
packField(bytes, artist, ARTIST_LENGTH, ARTIST_OFFSET);
packField(bytes, album, ALBUM_LENGTH, ALBUM_OFFSET);
packField(bytes, year, YEAR_LENGTH, YEAR_OFFSET);
if (genre < 128) {
bytes[GENRE_OFFSET] = (byte) genre;
} else {
bytes[GENRE_OFFSET] = (byte) (genre - 256);
}
if (track == null) {
packField(bytes, comment, COMMENT_LENGTH_V1_0, COMMENT_OFFSET);
} else {
packField(bytes, comment, COMMENT_LENGTH_V1_1, COMMENT_OFFSET);
String trackTemp = numericsOnly(track);
if (trackTemp.length() > 0) {
int trackInt = Integer.parseInt(trackTemp.toString());
if (trackInt < 128) {
bytes[TRACK_OFFSET] = (byte) trackInt;
} else {
bytes[TRACK_OFFSET] = (byte) (trackInt - 256);
}
}
}
}
private void sanityCheckTag(byte[] bytes) throws NoSuchTagException {
if (bytes.length != TAG_LENGTH) {
throw new NoSuchTagException("Buffer length wrong");
}
if (!TAG.equals(BufferTools.byteBufferToStringIgnoringEncodingIssues(bytes, 0, TAG.length()))) {
throw new NoSuchTagException();
}
}
protected void unpackDataLength(byte[] buffer, int offset) {
dataLength =
BufferTools.unpackInteger(
(byte) 0,
buffer[offset + DATA_LENGTH_OFFSET],
buffer[offset + DATA_LENGTH_OFFSET + 1],
buffer[offset + DATA_LENGTH_OFFSET + 2]);
}
private static void checkInput() {
camera.processMouse(1, 80, -80);
camera.processKeyboard(16, 1, 1, 1);
glLight(GL_LIGHT0, GL_POSITION, BufferTools.asFlippedFloatBuffer(lightPosition));
if (Keyboard.isKeyDown(Keyboard.KEY_G)) {
lightPosition = new float[] {camera.x(), camera.y(), camera.z(), 1};
}
if (Mouse.isButtonDown(0)) Mouse.setGrabbed(true);
else if (Mouse.isButtonDown(1)) Mouse.setGrabbed(false);
}
private static void setUpStates() {
glShadeModel(GL_SMOOTH);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glLightModel(
GL_LIGHT_MODEL_AMBIENT,
BufferTools.asFlippedFloatBuffer(new float[] {0.05f, 0.05f, 0.05f, 1f}));
glLight(GL_LIGHT0, GL_POSITION, BufferTools.asFlippedFloatBuffer(new float[] {0, 0, 0, 1}));
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glEnable(GL_COLOR_MATERIAL);
glColorMaterial(GL_FRONT, GL_DIFFUSE);
glColor3f(0.4f, 0.27f, 0.17f);
glMaterialf(GL_FRONT, GL_SHININESS, 10f);
if (GLContext.getCapabilities().GL_ARB_depth_clamp) {
glEnable(ARBDepthClamp.GL_DEPTH_CLAMP);
}
}
private static void render() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
camera.applyTranslations();
glUseProgram(currentShaderProgram);
glLight(
GL_LIGHT0,
GL_POSITION,
BufferTools.asFlippedFloatBuffer(camera.x(), camera.y(), camera.z(), 1));
glDrawArrays(GL_TRIANGLES, 0, model.faces.size() * 3);
}
protected byte[] packFrameData() {
byte[] bytes = new byte[getLength()];
if (description != null) bytes[0] = description.getTextEncoding();
else bytes[0] = 0;
int mimeTypeLength = 0;
if (mimeType != null && mimeType.length() > 0) {
mimeTypeLength = mimeType.length();
BufferTools.stringIntoByteBuffer(mimeType, 0, mimeTypeLength, bytes, 1);
}
bytes[mimeTypeLength + 1] = 0;
bytes[mimeTypeLength + 2] = pictureType;
int descriptionLength = 0;
if (description != null && description.toBytes().length > 0) {
descriptionLength = description.toBytes().length;
BufferTools.copyIntoByteBuffer(
description.toBytes(), 0, descriptionLength, bytes, mimeTypeLength + 3);
}
bytes[mimeTypeLength + descriptionLength + 3] = 0;
if (imageData != null && imageData.length > 0) {
BufferTools.copyIntoByteBuffer(
imageData, 0, imageData.length, bytes, mimeTypeLength + descriptionLength + 4);
}
return bytes;
}
private static void setUpVBOs() {
int[] vbos;
try {
model = OBJLoader.loadModel(new File(MODEL_LOCATION));
int vboVertexHandle = glGenBuffers();
int vboNormalHandle = glGenBuffers();
FloatBuffer vertices = BufferTools.reserveData(model.faces.size() * 9);
FloatBuffer normals = BufferTools.reserveData(model.faces.size() * 9);
for (Face face : model.faces) {
vertices.put(BufferTools.asFloats(model.vertices.get((int) face.vertex.x - 1)));
vertices.put(BufferTools.asFloats(model.vertices.get((int) face.vertex.y - 1)));
vertices.put(BufferTools.asFloats(model.vertices.get((int) face.vertex.z - 1)));
normals.put(BufferTools.asFloats(model.normals.get((int) face.normal.x - 1)));
normals.put(BufferTools.asFloats(model.normals.get((int) face.normal.y - 1)));
normals.put(BufferTools.asFloats(model.normals.get((int) face.normal.z - 1)));
}
vertices.flip();
normals.flip();
glBindBuffer(GL_ARRAY_BUFFER, vboVertexHandle);
glBufferData(GL_ARRAY_BUFFER, vertices, GL_STATIC_DRAW);
glEnableVertexAttribArray(attributeVertex);
glVertexAttribPointer(attributeVertex, 3, false, 0, vertices);
glBindBuffer(GL_ARRAY_BUFFER, vboNormalHandle);
glEnableVertexAttribArray(attributeNormal);
glBufferData(GL_ARRAY_BUFFER, normals, GL_STATIC_DRAW);
glNormalPointer(GL_FLOAT, 0, 0L);
// TODO: This really isn't finished yet. :-(
} catch (FileNotFoundException e) {
e.printStackTrace();
cleanUp();
System.exit(1);
} catch (IOException e) {
e.printStackTrace();
cleanUp();
System.exit(1);
}
}
protected void packFlags(byte[] bytes, int offset) {
bytes[offset + FLAGS_OFFSET] =
BufferTools.setBit(bytes[offset + FLAGS_OFFSET], UNSYNCHRONISATION_BIT, unsynchronisation);
bytes[offset + FLAGS_OFFSET] =
BufferTools.setBit(bytes[offset + FLAGS_OFFSET], COMPRESSION_BIT, compression);
}
protected void unpackFlags(byte[] bytes) {
unsynchronisation = BufferTools.checkBit(bytes[FLAGS_OFFSET], UNSYNCHRONISATION_BIT);
compression = BufferTools.checkBit(bytes[FLAGS_OFFSET], COMPRESSION_BIT);
}
private void unpackTag(byte[] bytes) throws NoSuchTagException {
sanityCheckTag(bytes);
title =
BufferTools.trimStringRight(
BufferTools.byteBufferToStringIgnoringEncodingIssues(
bytes, TITLE_OFFSET, TITLE_LENGTH));
artist =
BufferTools.trimStringRight(
BufferTools.byteBufferToStringIgnoringEncodingIssues(
bytes, ARTIST_OFFSET, ARTIST_LENGTH));
album =
BufferTools.trimStringRight(
BufferTools.byteBufferToStringIgnoringEncodingIssues(
bytes, ALBUM_OFFSET, ALBUM_LENGTH));
year =
BufferTools.trimStringRight(
BufferTools.byteBufferToStringIgnoringEncodingIssues(bytes, YEAR_OFFSET, YEAR_LENGTH));
genre = bytes[GENRE_OFFSET] & 0xFF;
if (genre == 0xFF) {
genre = -1;
}
if (bytes[TRACK_MARKER_OFFSET] != 0) {
comment =
BufferTools.trimStringRight(
BufferTools.byteBufferToStringIgnoringEncodingIssues(
bytes, COMMENT_OFFSET, COMMENT_LENGTH_V1_0));
track = null;
} else {
comment =
BufferTools.trimStringRight(
BufferTools.byteBufferToStringIgnoringEncodingIssues(
bytes, COMMENT_OFFSET, COMMENT_LENGTH_V1_1));
int trackInt = bytes[TRACK_OFFSET];
if (trackInt == 0) {
track = "";
} else {
track = Integer.toString(trackInt);
}
}
}
private void packField(byte[] bytes, String value, int maxLength, int offset) {
if (value != null) {
BufferTools.stringIntoByteBuffer(
value, 0, Math.min(value.length(), maxLength), bytes, offset);
}
}
protected int unpackHeader(byte[] buffer, int offset) {
id =
BufferTools.byteBufferToStringIgnoringEncodingIssues(buffer, offset + ID_OFFSET, ID_LENGTH);
unpackDataLength(buffer, offset);
return offset + HEADER_LENGTH;
}
