private void run() {
int frames = 0;
double nsPerFrame = 1000000000.0 / 60.0;
double unProcessed = 0;
long lastFrameTime = System.nanoTime();
long currentFrameTime = System.currentTimeMillis();
while (running) {
long now = System.nanoTime();
unProcessed += (now - lastFrameTime) / nsPerFrame;
lastFrameTime = now;
if (Display.isCloseRequested()) running = false;
while (unProcessed > 1) {
unProcessed -= 1;
tick();
display.render();
}
frames++;
if (System.currentTimeMillis() - currentFrameTime > 1000) {
currentFrameTime += 1000;
// Print.line(frames + " fps");
Display.setTitle(frames + " fps");
frames = 0;
}
Display.sync(60);
Display.update();
}
Display.destroy();
}
private void initialise() {
DisplayMode mode = new DisplayMode(WIDTH, HEIGHT);
Display.setTitle(TITLE);
input = new InputHandler();
display = new CodeDisplay(input);
try {
Display.setDisplayMode(mode);
Display.setResizable(false);
Display.create();
if (!GLContext.getCapabilities().OpenGL33)
System.err.printf("You must have at least OpenGL 3.3 to run this program\n");
} catch (LWJGLException e) {
e.printStackTrace();
System.exit(-1);
}
// Set clear color
glShadeModel(GL_SMOOTH);
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL); // Less than or equal
glClearDepth(1.0);
establishProjectionMatrix();
// glEnable(GL_LIGHTING);
// glEnable(GL_LIGHT0);
}
private void submitFrame() {
if (!broadcastController.getIsBroadcasting() || broadcastController.getIsPaused()) {
return;
}
long curTime = System.nanoTime();
long nanoPerFrame = 1000000000 / broadcastFramesPerSecond;
// If you send frames too quickly to the SDK (based on the broadcast FPS you configured) it will
// not be able
// to make use of them all. In that case, it will simply release buffers without using them
// which means the
// game wasted time doing the capture. To mitigate this, the app should pace the captures to
// the broadcast FPS.
long captureDelta = curTime - lastCaptureTime;
boolean isTimeForNextCapture = captureDelta >= nanoPerFrame;
if (!isTimeForNextCapture) {
return;
}
FrameBuffer buffer = broadcastController.getNextFreeBuffer();
broadcastController.captureFrameBuffer_ReadPixels(buffer);
broadcastController.submitFrame(buffer);
lastCaptureTime = curTime;
}
static {
String system = System.getProperty("os.name").toLowerCase();
OSX = system.indexOf("mac") >= 0;
WIN = system.indexOf("win") >= 0;
LINUX = system.indexOf("nux") >= 0 | system.indexOf("nix") >= 0 | system.indexOf("aix") >= 0;
assert ((WIN && !OSX && !LINUX) || (!WIN && OSX && !LINUX) || (!WIN && !OSX && LINUX));
}
protected boolean insertCharacter(char charTyped) {
if (isAllowedCharacter(charTyped)) {
if (selectionStart != selectionEnd) {
if (caret == selectionStart) {
++caret;
}
text[selectionStart++] = charTyped;
return true;
}
if ((caretInsert && caret == text.length) || textLength == text.length) {
return false;
}
if (!caretInsert) {
if (caret < textLength) {
System.arraycopy(text, caret, text, caret + 1, textLength - caret);
}
++textLength;
}
text[caret++] = charTyped;
return true;
} else {
return true;
}
}
@Override
protected void init() {
initializeProgram();
try {
cylinderMesh = new Mesh("UnitCylinder.xml");
planeMesh = new Mesh("LargePlane.xml");
} catch (Exception exception) {
exception.printStackTrace();
System.exit(-1);
}
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glFrontFace(GL_CW);
glEnable(GL_DEPTH_TEST);
glDepthMask(true);
glDepthFunc(GL_LEQUAL);
glDepthRange(0.0f, 1.0f);
glEnable(GL_DEPTH_CLAMP);
projectionUniformBuffer = glGenBuffers();
glBindBuffer(GL_UNIFORM_BUFFER, projectionUniformBuffer);
glBufferData(GL_UNIFORM_BUFFER, ProjectionBlock.SIZE, GL_DYNAMIC_DRAW);
// Bind the static buffers.
glBindBufferRange(
GL_UNIFORM_BUFFER, projectionBlockIndex, projectionUniformBuffer, 0, ProjectionBlock.SIZE);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
}
public static void setParent(Canvas canvas) {
try {
Display.setParent(canvas);
} catch (LWJGLException e) {
e.printStackTrace();
System.exit(1);
}
}
public static void setSize(int width, int height) {
try {
displayMode = new DisplayMode(width, height);
Display.setDisplayMode(displayMode);
} catch (LWJGLException e) {
e.printStackTrace();
System.exit(1);
}
}
private void loop() {
long lastFrameTime = 0;
while (!Display.isCloseRequested()) {
long now = System.nanoTime();
long renderFps = 30;
long nanoPerFrame = 1000000000 / renderFps;
// update the animation
if (now - lastFrameTime >= nanoPerFrame) {
lastFrameTime = now;
angle += 2.0f;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef(view_rotx, 1.0f, 0.0f, 0.0f);
glRotatef(view_roty, 0.0f, 1.0f, 0.0f);
glRotatef(view_rotz, 0.0f, 0.0f, 1.0f);
glPushMatrix();
glTranslatef(-3.0f, -2.0f, 0.0f);
glRotatef(angle, 0.0f, 0.0f, 1.0f);
glCallList(gear1);
glPopMatrix();
glPushMatrix();
glTranslatef(3.1f, -2.0f, 0.0f);
glRotatef(-2.0f * angle - 9.0f, 0.0f, 0.0f, 1.0f);
glCallList(gear2);
glPopMatrix();
glPushMatrix();
glTranslatef(-3.1f, 4.2f, 0.0f);
glRotatef(-2.0f * angle - 25.0f, 0.0f, 0.0f, 1.0f);
glCallList(gear3);
glPopMatrix();
glPopMatrix();
Display.update();
}
handleInput();
if (broadcastController != null) {
submitFrame();
broadcastController.update();
}
if (chatController != null) {
chatController.update();
}
}
}
public ElementTextField setMaxLength(short limit) {
char[] oldText = text;
text = new char[limit];
textLength = Math.min(limit, textLength);
if (oldText != null) {
System.arraycopy(oldText, 0, text, 0, textLength);
}
findRenderStart();
return this;
}
public static void create() {
try {
Display.create();
Mouse.create();
Keyboard.create();
} catch (LWJGLException e) {
e.printStackTrace();
System.exit(1);
}
}
public Sprite(TextureLoader loader, String ref, int x, int y, int w, int h) {
try {
texture = loader.getTexture(ref, GL_TEXTURE_2D, GL_RGBA, GL_LINEAR, GL_LINEAR, x, y, w, h);
width = texture.getImageWidth();
height = texture.getImageHeight();
} catch (IOException ioe) {
ioe.printStackTrace();
System.exit(-1);
}
}
@Override
public void handleOutput(List<Entity> collection) {
if (getInputCloseSignal()) // read input
System.exit(0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
for (Entity e : collection) render(e);
Display.sync(FPS); // sync to fps
Display.update(); // update the view/screen
}
private static void killAll() {
// Kill any waiting threads
for (Thread t : Thread.getAllStackTraces().keySet()) {
if (t.getState() == Thread.State.WAITING && !t.getName().contains("Disposer")) {
t.interrupt();
}
}
System.exit(0); // Exit
}
/**
* Create a new sprite from a specified image.
*
* @param loader the texture loader to use
* @param ref A reference to the image on which this sprite should be based
*/
public Sprite(TextureLoader loader, String ref) {
try {
texture = loader.getTexture(ref);
width = texture.getImageWidth();
height = texture.getImageHeight();
} catch (IOException ioe) {
ioe.printStackTrace();
System.exit(-1);
}
}
public static void main(String[] args) {
try {
Display.setDisplayMode(new DisplayMode(640, 480));
Display.setTitle("Timer Demo");
Display.create();
} catch (LWJGLException e) {
e.printStackTrace();
Display.destroy();
System.exit(1);
}
int x = 100;
int y = 100;
int dx = 1;
int dy = 1;
// Initialization code OpenGL
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, 640, 480, 0, 1, -1);
glMatrixMode(GL_MODELVIEW);
lastFrame = getTime();
while (!Display.isCloseRequested()) {
// Render
glClear(GL_COLOR_BUFFER_BIT);
double delta = getDelta();
x += delta * dx * 0.1;
y += delta * dy * 0.1;
glRecti(x, y, x + 30, y + 30);
Display.update();
Display.sync(60);
}
Display.destroy();
System.exit(0);
}
/**
* The constructor that creates the font from the given file at the given height.
*
* @param filePath - The path to file including the file type
* @param fontHeight - The height (size) of the font
*/
public TrueTypeFont(String filePath, int fontHeight) {
this.fontHeight = fontHeight;
long startTime = 0L;
if (Debug.enabled) startTime = System.nanoTime();
textureID = glGenTextures();
cdata = STBTTBakedChar.mallocBuffer(96);
try {
ByteBuffer ttf = IOUtil.ioResourceToByteBuffer(filePath, 160 * 1024);
ByteBuffer bitmap = BufferUtils.createByteBuffer(BITMAP_W * BITMAP_H);
STBTruetype.stbtt_BakeFontBitmap(ttf, fontHeight, bitmap, BITMAP_W, BITMAP_H, 32, cdata);
glBindTexture(GL_TEXTURE_2D, textureID);
glTexImage2D(
GL_TEXTURE_2D, 0, GL_ALPHA, BITMAP_W, BITMAP_H, 0, GL_ALPHA, GL_UNSIGNED_BYTE, bitmap);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
} catch (IOException e) {
throw new RuntimeException(e);
}
xbuf = BufferUtils.createFloatBuffer(1);
ybuf = BufferUtils.createFloatBuffer(1);
quad = STBTTAlignedQuad.malloc();
if (Debug.enabled) {
long endTime = System.nanoTime();
Debug.println(
" Loaded font: "
+ filePath
+ "\n\tFont height: "
+ fontHeight
+ "px"
+ "\n\tLoad time: "
+ Debug.noNotation.format((endTime - startTime) / 1000000000.0)
+ "s",
Debug.ANSI_CYAN);
}
}
/**
* @param path Path of the .obj file
* @param index GLUint
*/
public static void name(String path, int index) {
int list = glGenLists(index);
glNewList(list, GL_COMPILE);
{
Model m = null;
try {
m = OBJLoader.loadModel(new File(path));
} catch (FileNotFoundException e) {
e.printStackTrace();
Display.destroy();
System.exit(1);
} catch (IOException e) {
e.printStackTrace();
Display.destroy();
System.exit(1);
}
float b;
// glColor3f(0.3f, 0.20f, 0.13f);
b = (float) Math.random();
glColor3f(b, 0, 0);
int count = 0;
glBegin(GL_TRIANGLES);
for (Face face : m.faces) {
count++;
Vector3f n1 = m.normals.get((int) face.normal.x - 1);
glNormal3f(n1.x, n1.y, n1.z);
Vector3f v1 = m.vertices.get((int) face.vertex.x - 1);
glVertex3f(v1.x, v1.y, v1.z);
Vector3f n2 = m.normals.get((int) face.normal.y - 1);
glNormal3f(n2.x, n2.y, n2.z);
Vector3f v2 = m.vertices.get((int) face.vertex.y - 1);
glVertex3f(v2.x, v2.y, v2.z);
Vector3f n3 = m.normals.get((int) face.normal.z - 1);
glNormal3f(n3.x, n3.y, n3.z);
Vector3f v3 = m.vertices.get((int) face.vertex.z - 1);
glVertex3f(v3.x, v3.y, v3.z);
}
glEnd();
System.out.println(count);
}
glEndList();
}
private static TextureResource loadTexture(String fileName) {
String[] splitArray = fileName.split("\\.");
String ext = splitArray[splitArray.length - 1];
try {
BufferedImage image = ImageIO.read(new File("./res/textures/" + fileName));
int[] pixels =
image.getRGB(0, 0, image.getWidth(), image.getHeight(), null, 0, image.getWidth());
ByteBuffer buffer = Util.createByteBuffer(image.getHeight() * image.getWidth() * 4);
boolean hasAlpha = image.getColorModel().hasAlpha();
for (int y = 0; y < image.getHeight(); y++) {
for (int x = 0; x < image.getWidth(); x++) {
int pixel = pixels[y * image.getWidth() + x];
buffer.put((byte) ((pixel >> 16) & 0xFF));
buffer.put((byte) ((pixel >> 8) & 0xFF));
buffer.put((byte) ((pixel) & 0xFF));
if (hasAlpha) buffer.put((byte) ((pixel >> 24) & 0xFF));
else buffer.put((byte) (0xFF));
}
}
buffer.flip();
TextureResource resource = new TextureResource();
glBindTexture(GL_TEXTURE_2D, resource.getId());
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(
GL_TEXTURE_2D,
0,
GL_RGBA8,
image.getWidth(),
image.getHeight(),
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
buffer);
return resource;
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
return null;
}
private static void setUpDisplay() {
try {
Display.setDisplayMode(new DisplayMode(640, 480));
Display.setVSyncEnabled(true);
Display.setTitle("Core Lighting Demo");
Display.create();
} catch (LWJGLException e) {
System.err.println("The display wasn't initialized correctly. :(");
Display.destroy();
System.exit(1);
}
}
protected void clearSelection() {
if (selectionStart != selectionEnd) {
if (selectionEnd < textLength) {
System.arraycopy(text, selectionEnd, text, selectionStart, textLength - selectionEnd);
}
textLength -= selectionEnd - selectionStart;
selectionEnd = caret = selectionStart;
findRenderStart();
}
}
@Override
protected void init() {
initializePrograms();
try {
realHallway = new Mesh("RealHallway.xml");
fauxHallway = new Mesh("FauxHallway.xml");
} catch (Exception exception) {
exception.printStackTrace();
System.exit(-1);
}
}
/**
* Application init
*
* @param args Commandline args
*/
public static void main(String[] args) {
try {
init(false);
run();
} catch (Exception e) {
e.printStackTrace(System.err);
Sys.alert(GAME_TITLE, "An error occured and the game will exit.");
} finally {
cleanup();
}
System.exit(0);
}
public void run() {
init();
engine = new Engine();
long lastTime = System.nanoTime();
double delta = 0.0;
// Amout of nanoseconds in 1/60th of a second
double ns = 1000000000.0 / 60.0;
long timer = System.currentTimeMillis();
int updates = 0;
int frames = 0;
while (running) {
long now = System.nanoTime();
delta += (now - lastTime) / ns;
lastTime = now;
// if delta >= than one then the amount of time >= 1/60th of a second
if (delta >= 1.0) {
update();
updates++;
delta--;
}
render();
frames++;
// If a second has passed, we print the stats
if (System.currentTimeMillis() - timer > 1000) {
timer += 1000;
System.out.println(updates + " ups, " + frames + " fps");
updates = 0;
frames = 0;
}
if (glfwWindowShouldClose(window) == GL_TRUE) running = false;
}
engine.CleanUp();
keyCallback.release();
sizeCallback.release();
mouseCallback.release();
focusCallback.release();
glfwDestroyWindow(window);
glfwTerminate();
}
public static void main(String[] args) {
try {
Display.setDisplayMode(new DisplayMode(640, 480));
Display.setTitle("Immediate Mode Demo");
Display.create();
} catch (LWJGLException e) {
e.printStackTrace();
Display.destroy();
System.exit(1);
}
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(1, 1, 1, 1, 1, -1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
while (!Display.isCloseRequested()) {
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_TRIANGLES);
{
glColor3f(1, 0, 0);
glVertex2f(-0.5f, -0.5f);
glColor3f(0, 1, 0);
glVertex2f(0.5f, -0.5f);
glColor3f(0, 0, 1);
glVertex2f(0.5f, 0.5f);
}
glEnd();
Display.update();
Display.sync(60);
}
Display.destroy();
System.exit(0);
}
public static void main(String[] args) {
setUpDisplay();
setUpDisplayLists();
setUpCamera();
setUpLighting();
while (!Display.isCloseRequested()) {
render();
checkInput();
Display.update();
Display.sync(60);
}
cleanUp();
System.exit(0);
}
public static void setFullscreen(boolean fullscreen) {
try {
if (fullscreen) {
displayMode = Display.getDisplayMode();
Display.setDisplayMode(Display.getDesktopDisplayMode());
} else {
Display.setDisplayMode(displayMode);
}
Display.setFullscreen(fullscreen);
} catch (LWJGLException e) {
e.printStackTrace();
System.exit(1);
}
}
private static void setUpVBOs() {
int[] vbos;
try {
model = OBJLoader.loadModel(new File(MODEL_LOCATION));
vbos = OBJLoader.createVBO(model);
vboVertexHandle = vbos[0];
vboNormalHandle = vbos[1];
} catch (FileNotFoundException e) {
e.printStackTrace();
cleanUp();
System.exit(1);
} catch (IOException e) {
e.printStackTrace();
cleanUp();
System.exit(1);
}
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, vboVertexHandle);
glVertexPointer(3, GL_FLOAT, 0, 0L);
glBindBuffer(GL_ARRAY_BUFFER, vboNormalHandle);
glNormalPointer(GL_FLOAT, 0, 0L);
}
public void addPoint(
System s,
int x,
int y,
int oX,
int oY,
float r,
float red,
float green,
float blue,
double force) {
Point p = new Point(x, y, oX, oY, r, red, green, blue, force);
s.addPoint(p);
}
@Override
protected void init() {
glClearColor(0, 0, 0, 0);
glPixelZoom(1, -1);
try {
for (int i = 0; i < fonts.length; ++i) {
fonts[i] = new Font(new File(FONT_NAMES[i]), FONT_MAPS[i], width, height);
}
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
}