From 41cd6c47b23975098cd155517790e018670785e7 Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Mon, 15 Jun 2009 23:12:27 +0000
Subject: Copied JOGL_2_SANDBOX r350 on to trunk; JOGL_2_SANDBOX branch is now
closed
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/jogl-demos/trunk@352 3298f667-5e0e-4b4a-8ed4-a3559d26a5f4
---
src/demos/util/Bunny.java | 141 +++++++
src/demos/util/Cubemap.java | 83 ++++
src/demos/util/DurationTimer.java | 68 ++++
src/demos/util/DxTex.java | 376 ++++++++++++++++++
src/demos/util/FPSCounter.java | 228 +++++++++++
src/demos/util/FileUtils.java | 68 ++++
src/demos/util/FloatList.java | 100 +++++
src/demos/util/IntList.java | 100 +++++
src/demos/util/MD2.java | 702 ++++++++++++++++++++++++++++++++++
src/demos/util/ObjReader.java | 368 ++++++++++++++++++
src/demos/util/ScreenResSelector.java | 241 ++++++++++++
src/demos/util/SystemTime.java | 110 ++++++
src/demos/util/Time.java | 52 +++
src/demos/util/Triceratops.java | 144 +++++++
14 files changed, 2781 insertions(+)
create mode 100644 src/demos/util/Bunny.java
create mode 100755 src/demos/util/Cubemap.java
create mode 100644 src/demos/util/DurationTimer.java
create mode 100644 src/demos/util/DxTex.java
create mode 100755 src/demos/util/FPSCounter.java
create mode 100755 src/demos/util/FileUtils.java
create mode 100644 src/demos/util/FloatList.java
create mode 100644 src/demos/util/IntList.java
create mode 100644 src/demos/util/MD2.java
create mode 100644 src/demos/util/ObjReader.java
create mode 100755 src/demos/util/ScreenResSelector.java
create mode 100644 src/demos/util/SystemTime.java
create mode 100644 src/demos/util/Time.java
create mode 100644 src/demos/util/Triceratops.java
(limited to 'src/demos/util')
diff --git a/src/demos/util/Bunny.java b/src/demos/util/Bunny.java
new file mode 100644
index 0000000..c4afd0c
--- /dev/null
+++ b/src/demos/util/Bunny.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+import java.io.*;
+
+import javax.media.opengl.*;
+
+/** Renders a bunny.
+
+ <P> This file was produced by 3D Exploration Plugin: CPP Export filter.
+
+ <P> 3D Exploration
+
+ <P> Copyright (c) 1999-2000 X Dimension Software
+
+ <P>WWW http://www.xdsoft.com/explorer/ <BR>
+ eMail info@xdsoft.com
+*/
+public class Bunny {
+
+ /** Generates and returns a display list for the bunny model. */
+ public static int gen3DObjectList(GL2 gl) throws IOException {
+ StreamTokenizer tok = new StreamTokenizer(new BufferedReader(new InputStreamReader(
+ Bunny.class.getClassLoader().getResourceAsStream("demos/data/models/bunny.txt"))));
+ // Reset tokenizer's syntax so numbers are not parsed
+ tok.resetSyntax();
+ tok.wordChars('a', 'z');
+ tok.wordChars('A', 'Z');
+ tok.wordChars('0', '9');
+ tok.wordChars('-', '-');
+ tok.wordChars('.', '.');
+ tok.wordChars(128 + 32, 255);
+ tok.whitespaceChars(0, ' ');
+ tok.whitespaceChars(',', ',');
+ tok.whitespaceChars('{', '{');
+ tok.whitespaceChars('}', '}');
+ tok.commentChar('/');
+ tok.quoteChar('"');
+ tok.quoteChar('\'');
+ tok.slashSlashComments(true);
+ tok.slashStarComments(true);
+
+ // Read in file
+ int numFaceIndices = nextInt(tok, "number of face indices");
+ short[] faceIndices = new short[numFaceIndices * 6];
+ for (int i = 0; i < numFaceIndices * 6; i++) {
+ faceIndices[i] = (short) nextInt(tok, "face index");
+ }
+ int numVertices = nextInt(tok, "number of vertices");
+ float[] vertices = new float[numVertices * 3];
+ for (int i = 0; i < numVertices * 3; i++) {
+ vertices[i] = nextFloat(tok, "vertex");
+ }
+ int numNormals = nextInt(tok, "number of normals");
+ float[] normals = new float[numNormals * 3];
+ for (int i = 0; i < numNormals * 3; i++) {
+ normals[i] = nextFloat(tok, "normal");
+ }
+
+ int lid = gl.glGenLists(1);
+ gl.glNewList(lid, GL2.GL_COMPILE);
+
+ gl.glBegin(GL.GL_TRIANGLES);
+ for (int i = 0; i < faceIndices.length; i += 6) {
+ for (int j = 0; j < 3; j++) {
+ int vi = faceIndices[i + j];
+ int ni = faceIndices[i + j + 3];
+ gl.glNormal3f(normals[3 * ni],
+ normals[3 * ni + 1],
+ normals[3 * ni + 2]);
+ gl.glVertex3f(vertices[3 * vi],
+ vertices[3 * vi + 1],
+ vertices[3 * vi + 2]);
+ }
+ }
+ gl.glEnd();
+
+ gl.glEndList();
+ return lid;
+ }
+
+ private static int nextInt(StreamTokenizer tok, String error) throws IOException {
+ if (tok.nextToken() != StreamTokenizer.TT_WORD) {
+ throw new IOException("Parse error reading " + error + " at line " + tok.lineno());
+ }
+ try {
+ return Integer.parseInt(tok.sval);
+ } catch (NumberFormatException e) {
+ throw new IOException("Parse error reading " + error + " at line " + tok.lineno());
+ }
+ }
+
+ private static float nextFloat(StreamTokenizer tok, String error) throws IOException {
+ if (tok.nextToken() != StreamTokenizer.TT_WORD) {
+ throw new IOException("Parse error reading " + error + " at line " + tok.lineno());
+ }
+ try {
+ return Float.parseFloat(tok.sval);
+ } catch (NumberFormatException e) {
+ throw new IOException("Parse error reading " + error + " at line " + tok.lineno());
+ }
+ }
+}
diff --git a/src/demos/util/Cubemap.java b/src/demos/util/Cubemap.java
new file mode 100755
index 0000000..405fc38
--- /dev/null
+++ b/src/demos/util/Cubemap.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+import com.sun.opengl.util.FileUtil;
+import com.sun.opengl.util.texture.Texture;
+import com.sun.opengl.util.texture.TextureData;
+import com.sun.opengl.util.texture.TextureIO;
+import java.io.IOException;
+import javax.media.opengl.GL;
+import javax.media.opengl.GLException;
+
+
+
+/** Helper class for loading cubemaps from a set of textures. */
+
+public class Cubemap {
+
+ private static final String[] suffixes = { "posx", "negx", "posy", "negy", "posz", "negz" };
+ private static final int[] targets = { GL.GL_TEXTURE_CUBE_MAP_POSITIVE_X,
+ GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
+ GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
+ GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
+ GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
+ GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z };
+
+ public static Texture loadFromStreams(ClassLoader scope,
+ String basename,
+ String suffix,
+ boolean mipmapped) throws IOException, GLException {
+ Texture cubemap = TextureIO.newTexture(GL.GL_TEXTURE_CUBE_MAP);
+
+ for (int i = 0; i < suffixes.length; i++) {
+ String resourceName = basename + suffixes[i] + "." + suffix;
+ TextureData data = TextureIO.newTextureData(scope.getResourceAsStream(resourceName),
+ mipmapped,
+ FileUtil.getFileSuffix(resourceName));
+ if (data == null) {
+ throw new IOException("Unable to load texture " + resourceName);
+ }
+ cubemap.updateImage(data, targets[i]);
+ }
+
+ return cubemap;
+ }
+}
diff --git a/src/demos/util/DurationTimer.java b/src/demos/util/DurationTimer.java
new file mode 100644
index 0000000..c0f88e7
--- /dev/null
+++ b/src/demos/util/DurationTimer.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+/** Simple class for helping measure frames-per-second. */
+
+public class DurationTimer {
+ private long startTime;
+ private long accumulatedTime;
+
+ public void reset() {
+ accumulatedTime = 0;
+ }
+
+ public void start() {
+ startTime = System.currentTimeMillis();
+ }
+
+ public void stop() {
+ long curTime = System.currentTimeMillis();
+ accumulatedTime += (curTime - startTime);
+ }
+
+ public long getDuration() {
+ return accumulatedTime;
+ }
+
+ public float getDurationAsSeconds() {
+ return (float) accumulatedTime / 1000.0f;
+ }
+}
diff --git a/src/demos/util/DxTex.java b/src/demos/util/DxTex.java
new file mode 100644
index 0000000..fbe1963
--- /dev/null
+++ b/src/demos/util/DxTex.java
@@ -0,0 +1,376 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+import java.io.*;
+import java.nio.*;
+import java.awt.image.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.swing.event.*;
+import javax.swing.filechooser.*;
+
+import com.sun.opengl.util.texture.spi.*;
+
+/** Simplified clone of DxTex tool from the DirectX SDK, written in
+ Java using the DDSImage; tests fetching of texture data */
+
+public class DxTex {
+ private InternalFrameListener frameListener;
+ private File defaultDirectory;
+ private JDesktopPane desktop;
+ private static String endl = System.getProperty("line.separator");
+ private JMenu mipMapMenu;
+
+ public static void main(String[] args) {
+ new DxTex().run(args);
+ }
+
+ private void run(String[] args) {
+ defaultDirectory = new File(System.getProperty("user.dir"));
+ JFrame frame = new JFrame("DirectX Texture Tool");
+ frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+ JMenuBar menuBar = new JMenuBar();
+ JMenu menu = createMenu("File", 'F', 0);
+ JMenuItem item =
+ createMenuItem("Open...",
+ new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ openFile();
+ }
+ },
+ KeyEvent.VK_O, InputEvent.CTRL_MASK,
+ 'O', 0);
+ menu.add(item);
+ item =
+ createMenuItem("Exit",
+ new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ System.exit(0);
+ }
+ },
+ KeyEvent.VK_Q, InputEvent.CTRL_MASK,
+ 'x', 1);
+ menu.add(item);
+ menuBar.add(menu);
+
+ menu = createMenu("MipMap", 'M', 0);
+ menu.setEnabled(false);
+ mipMapMenu = menu;
+ menuBar.add(menu);
+
+ frame.setJMenuBar(menuBar);
+
+ desktop = new JDesktopPane();
+ frame.getContentPane().add(desktop);
+ frame.setSize(640, 480);
+ frame.setVisible(true);
+
+ frameListener = new InternalFrameAdapter() {
+ public void internalFrameActivated(InternalFrameEvent e) {
+ JInternalFrame ifr = e.getInternalFrame();
+ if (ifr instanceof ImageFrame) {
+ // Recompute entries in mip map menu
+ final ImageFrame frame = (ImageFrame) ifr;
+ if (frame.getNumMipMaps() > 0) {
+ mipMapMenu.removeAll();
+ // Add entries
+ for (int i = 0; i < frame.getNumMipMaps(); i++) {
+ final int map = i;
+ JMenuItem item;
+ String title = "Level " + (i + 1);
+ ActionListener listener = new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ SwingUtilities.invokeLater(new Runnable() {
+ public void run() {
+ frame.setMipMapLevel(map);
+ }
+ });
+ }
+ };
+ if (i < 9) {
+ char c = (char) ('0' + i + 1);
+ item = createMenuItem(title, listener, c, 6);
+ } else {
+ item = createMenuItem(title, listener);
+ }
+ mipMapMenu.add(item);
+ }
+ mipMapMenu.setEnabled(true);
+ } else {
+ mipMapMenu.setEnabled(false);
+ }
+ } else {
+ mipMapMenu.setEnabled(false);
+ }
+ }
+
+ public void internalFrameClosing(InternalFrameEvent e) {
+ desktop.remove(e.getInternalFrame());
+ desktop.invalidate();
+ desktop.validate();
+ desktop.repaint();
+ // THIS SHOULD NOT BE NECESSARY
+ desktop.requestFocus();
+ }
+
+ public void internalFrameClosed(InternalFrameEvent e) {
+ JInternalFrame ifr = e.getInternalFrame();
+ if (ifr instanceof ImageFrame) {
+ ((ImageFrame) ifr).close();
+ }
+ }
+ };
+
+ for (int i = 0; i < args.length; i++) {
+ final File file = new File(args[i]);
+ SwingUtilities.invokeLater(new Runnable() {
+ public void run() {
+ openFile(file);
+ }
+ });
+ }
+ }
+
+ //----------------------------------------------------------------------
+ // Actions
+ //
+
+ private void openFile() {
+ JFileChooser chooser = new JFileChooser(defaultDirectory);
+ chooser.setMultiSelectionEnabled(false);
+ chooser.addChoosableFileFilter(new javax.swing.filechooser.FileFilter() {
+ public boolean accept(File f) {
+ return (f.isDirectory() ||
+ f.getName().endsWith(".dds"));
+ }
+
+ public String getDescription() {
+ return "Texture files (*.dds)";
+ }
+ });
+
+ int res = chooser.showOpenDialog(null);
+ if (res == JFileChooser.APPROVE_OPTION) {
+ final File file = chooser.getSelectedFile();
+ defaultDirectory = file.getParentFile();
+ SwingUtilities.invokeLater(new Runnable() {
+ public void run() {
+ openFile(file);
+ }
+ });
+ }
+ }
+
+ private void openFile(File file) {
+ try {
+ DDSImage image = DDSImage.read(file);
+ showImage(file.getName(), image, 0);
+ } catch (IOException e) {
+ showMessageDialog("Error while opening file:" + endl +
+ exceptionToString(e),
+ "Error opening file",
+ JOptionPane.WARNING_MESSAGE);
+ }
+ }
+
+ //----------------------------------------------------------------------
+ // Image display
+ //
+
+ private void showImage(String filename, DDSImage image, int mipMapLevel) {
+ try {
+ ImageFrame fr = new ImageFrame(filename, image, mipMapLevel);
+ desktop.add(fr);
+ fr.setVisible(true);
+ } catch (Exception e) {
+ showMessageDialog("Error while loading file:" + endl +
+ exceptionToString(e),
+ "Error loading file",
+ JOptionPane.WARNING_MESSAGE);
+ }
+ }
+
+ class ImageFrame extends JInternalFrame {
+ private String filename;
+ private DDSImage image;
+ private int mipMapLevel;
+ private int curWidth;
+ private int curHeight;
+ private JLabel label;
+
+ ImageFrame(String filename, DDSImage image, int mipMapLevel) {
+ super();
+ this.filename = filename;
+ this.image = image;
+
+ addInternalFrameListener(frameListener);
+ label = new JLabel();
+ JScrollPane scroller = new JScrollPane(label);
+ getContentPane().add(scroller);
+ setSize(400, 400);
+ setResizable(true);
+ setIconifiable(true);
+ setClosable(true);
+ setMipMapLevel(mipMapLevel);
+ }
+
+ int getNumMipMaps() {
+ return image.getNumMipMaps();
+ }
+
+ void setMipMapLevel(int level) {
+ mipMapLevel = level;
+ computeImage();
+ resetTitle();
+ }
+
+ void close() {
+ System.err.println("Closing files");
+ image.close();
+ }
+
+ private void computeImage() {
+ // Get image data
+ image.getNumMipMaps();
+ DDSImage.ImageInfo info = image.getMipMap(mipMapLevel);
+ int width = info.getWidth();
+ int height = info.getHeight();
+ curWidth = width;
+ curHeight = height;
+ ByteBuffer data = info.getData();
+
+ // Build ImageIcon out of image data
+ BufferedImage img = new BufferedImage(width, height,
+ BufferedImage.TYPE_3BYTE_BGR);
+ WritableRaster dst = img.getRaster();
+
+ int skipSize;
+ if (image.getPixelFormat() == DDSImage.D3DFMT_A8R8G8B8) {
+ skipSize = 4;
+ } else if (image.getPixelFormat() == DDSImage.D3DFMT_R8G8B8) {
+ skipSize = 3;
+ } else {
+ image.close();
+ throw new RuntimeException("Unsupported pixel format " + image.getPixelFormat());
+ }
+
+ for (int y = 0; y < height; y++) {
+ for (int x = 0; x < width; x++) {
+ // NOTE: highly suspicious that A comes fourth in
+ // A8R8G8B8...not really ARGB, but RGBA (like OpenGL)
+ dst.setSample(x, y, 0, data.get(skipSize * (width * y + x) + 2) & 0xFF);
+ dst.setSample(x, y, 1, data.get(skipSize * (width * y + x) + 1) & 0xFF);
+ dst.setSample(x, y, 2, data.get(skipSize * (width * y + x) + 0) & 0xFF);
+ }
+ }
+
+ label.setIcon(new ImageIcon(img));
+ }
+
+ private void resetTitle() {
+ setTitle(filename + " (" + curWidth + "x" + curHeight +
+ ", mipmap " + (1 + mipMapLevel) + " of " +
+ image.getNumMipMaps() + ")");
+ }
+ }
+
+
+ //----------------------------------------------------------------------
+ // Menu and menu item creation
+ //
+
+ private static JMenu createMenu(String name, char mnemonic, int mnemonicPos) {
+ JMenu menu = new JMenu(name);
+ menu.setMnemonic(mnemonic);
+ menu.setDisplayedMnemonicIndex(mnemonicPos);
+ return menu;
+ }
+
+ private static JMenuItem createMenuItem(String name, ActionListener l) {
+ JMenuItem item = new JMenuItem(name);
+ item.addActionListener(l);
+ return item;
+ }
+
+ private static JMenuItem createMenuItemInternal(String name, ActionListener l, int accelerator, int modifiers) {
+ JMenuItem item = createMenuItem(name, l);
+ item.setAccelerator(KeyStroke.getKeyStroke(accelerator, modifiers));
+ return item;
+ }
+
+ private static JMenuItem createMenuItem(String name, ActionListener l, int accelerator) {
+ return createMenuItemInternal(name, l, accelerator, 0);
+ }
+
+ private static JMenuItem createMenuItem(String name, ActionListener l, char mnemonic, int mnemonicPos) {
+ JMenuItem item = createMenuItem(name, l);
+ item.setMnemonic(mnemonic);
+ item.setDisplayedMnemonicIndex(mnemonicPos);
+ return item;
+ }
+
+ private static JMenuItem createMenuItem(String name,
+ ActionListener l,
+ int accelerator,
+ int acceleratorMods,
+ char mnemonic,
+ int mnemonicPos) {
+ JMenuItem item = createMenuItemInternal(name, l, accelerator, acceleratorMods);
+ item.setMnemonic(mnemonic);
+ item.setDisplayedMnemonicIndex(mnemonicPos);
+ return item;
+ }
+
+ private void showMessageDialog(final String message, final String title, final int jOptionPaneKind) {
+ SwingUtilities.invokeLater(new Runnable() {
+ public void run() {
+ JOptionPane.showInternalMessageDialog(desktop, message, title, jOptionPaneKind);
+ }
+ });
+ }
+
+ private static String exceptionToString(Exception e) {
+ ByteArrayOutputStream bos = new ByteArrayOutputStream();
+ PrintStream s = new PrintStream(bos);
+ e.printStackTrace(s);
+ return bos.toString();
+ }
+}
diff --git a/src/demos/util/FPSCounter.java b/src/demos/util/FPSCounter.java
new file mode 100755
index 0000000..79ea38b
--- /dev/null
+++ b/src/demos/util/FPSCounter.java
@@ -0,0 +1,228 @@
+/*
+ * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+import com.sun.opengl.util.awt.TextRenderer;
+import com.sun.opengl.util.texture.Texture;
+import java.awt.Font;
+import java.awt.geom.Rectangle2D;
+import java.text.DecimalFormat;
+import javax.media.opengl.GLDrawable;
+import javax.media.opengl.GLException;
+
+
+
+/** A simple class which uses the TextRenderer to provide an FPS
+ counter overlaid on top of the scene. */
+
+public class FPSCounter {
+ // Placement constants
+ public static final int UPPER_LEFT = 1;
+ public static final int UPPER_RIGHT = 2;
+ public static final int LOWER_LEFT = 3;
+ public static final int LOWER_RIGHT = 4;
+
+ private int textLocation = LOWER_RIGHT;
+ private GLDrawable drawable;
+ private TextRenderer renderer;
+ private DecimalFormat format = new DecimalFormat("####.00");
+ private int frameCount;
+ private long startTime;
+ private String fpsText;
+ private int fpsMagnitude;
+ private int fpsWidth;
+ private int fpsHeight;
+ private int fpsOffset;
+
+ /** Creates a new FPSCounter with the given font size. An OpenGL
+ context must be current at the time the constructor is called.
+
+ @param drawable the drawable to render the text to
+ @param textSize the point size of the font to use
+ @throws GLException if an OpenGL context is not current when the constructor is called
+ */
+ public FPSCounter(GLDrawable drawable, int textSize) throws GLException {
+ this(drawable, new Font("SansSerif", Font.BOLD, textSize));
+ }
+
+ /** Creates a new FPSCounter with the given font. An OpenGL context
+ must be current at the time the constructor is called.
+
+ @param drawable the drawable to render the text to
+ @param font the font to use
+ @throws GLException if an OpenGL context is not current when the constructor is called
+ */
+ public FPSCounter(GLDrawable drawable, Font font) throws GLException {
+ this(drawable, font, true, true);
+ }
+
+ /** Creates a new FPSCounter with the given font and rendering
+ attributes. An OpenGL context must be current at the time the
+ constructor is called.
+
+ @param drawable the drawable to render the text to
+ @param font the font to use
+ @param antialiased whether to use antialiased fonts
+ @param useFractionalMetrics whether to use fractional font
+ @throws GLException if an OpenGL context is not current when the constructor is called
+ */
+ public FPSCounter(GLDrawable drawable,
+ Font font,
+ boolean antialiased,
+ boolean useFractionalMetrics) throws GLException {
+ this.drawable = drawable;
+ renderer = new TextRenderer(font, antialiased, useFractionalMetrics);
+ }
+
+ /** Gets the relative location where the text of this FPSCounter
+ will be drawn: one of UPPER_LEFT, UPPER_RIGHT, LOWER_LEFT, or
+ LOWER_RIGHT. Defaults to LOWER_RIGHT. */
+ public int getTextLocation() {
+ return textLocation;
+ }
+
+ /** Sets the relative location where the text of this FPSCounter
+ will be drawn: one of UPPER_LEFT, UPPER_RIGHT, LOWER_LEFT, or
+ LOWER_RIGHT. Defaults to LOWER_RIGHT. */
+ public void setTextLocation(int textLocation) {
+ if (textLocation < UPPER_LEFT || textLocation > LOWER_RIGHT) {
+ throw new IllegalArgumentException("textLocation");
+ }
+ this.textLocation = textLocation;
+ }
+
+ /** Changes the current color of this TextRenderer to the supplied
+ one, where each component ranges from 0.0f - 1.0f. The alpha
+ component, if used, does not need to be premultiplied into the
+ color channels as described in the documentation for {@link
+ Texture Texture}, although premultiplied colors are used
+ internally. The default color is opaque white.
+
+ @param r the red component of the new color
+ @param g the green component of the new color
+ @param b the blue component of the new color
+ @param alpha the alpha component of the new color, 0.0f =
+ completely transparent, 1.0f = completely opaque
+ @throws GLException If an OpenGL context is not current when this method is called
+ */
+ public void setColor(float r, float g, float b, float a) throws GLException {
+ renderer.setColor(r, g, b, a);
+ }
+
+ /** Updates the FPSCounter's internal timer and counter and draws
+ the computed FPS. It is assumed this method will be called only
+ once per frame.
+ */
+ public void draw() {
+ if (startTime == 0) {
+ startTime = System.currentTimeMillis();
+ }
+
+ if (++frameCount >= 100) {
+ long endTime = System.currentTimeMillis();
+ float fps = 100.0f / (float) (endTime - startTime) * 1000;
+ recomputeFPSSize(fps);
+ frameCount = 0;
+ startTime = System.currentTimeMillis();
+
+ fpsText = "FPS: " + format.format(fps);
+ }
+
+ if (fpsText != null) {
+ renderer.beginRendering(drawable.getWidth(), drawable.getHeight());
+ // Figure out the location at which to draw the text
+ int x = 0;
+ int y = 0;
+ switch (textLocation) {
+ case UPPER_LEFT:
+ x = fpsOffset;
+ y = drawable.getHeight() - fpsHeight - fpsOffset;
+ break;
+
+ case UPPER_RIGHT:
+ x = drawable.getWidth() - fpsWidth - fpsOffset;
+ y = drawable.getHeight() - fpsHeight - fpsOffset;
+ break;
+
+ case LOWER_LEFT:
+ x = fpsOffset;
+ y = fpsOffset;
+ break;
+
+ case LOWER_RIGHT:
+ x = drawable.getWidth() - fpsWidth - fpsOffset;
+ y = fpsOffset;
+ break;
+ }
+
+ renderer.draw(fpsText, x, y);
+ renderer.endRendering();
+ }
+ }
+
+ private void recomputeFPSSize(float fps) {
+ String fpsText;
+ int fpsMagnitude;
+ if (fps >= 10000) {
+ fpsText = "10000.00";
+ fpsMagnitude = 5;
+ } else if (fps >= 1000) {
+ fpsText = "1000.00";
+ fpsMagnitude = 4;
+ } else if (fps >= 100) {
+ fpsText = "100.00";
+ fpsMagnitude = 3;
+ } else if (fps >= 10) {
+ fpsText = "10.00";
+ fpsMagnitude = 2;
+ } else {
+ fpsText = "9.00";
+ fpsMagnitude = 1;
+ }
+
+ if (fpsMagnitude > this.fpsMagnitude) {
+ Rectangle2D bounds = renderer.getBounds("FPS: " + fpsText);
+ fpsWidth = (int) bounds.getWidth();
+ fpsHeight = (int) bounds.getHeight();
+ fpsOffset = (int) (fpsHeight * 0.5f);
+ this.fpsMagnitude = fpsMagnitude;
+ }
+ }
+}
diff --git a/src/demos/util/FileUtils.java b/src/demos/util/FileUtils.java
new file mode 100755
index 0000000..442485d
--- /dev/null
+++ b/src/demos/util/FileUtils.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+import java.io.*;
+
+public class FileUtils {
+ public static String loadStreamIntoString(InputStream stream) throws IOException {
+ if (stream == null) {
+ throw new java.io.IOException("null stream");
+ }
+ stream = new java.io.BufferedInputStream(stream);
+ int avail = stream.available();
+ byte[] data = new byte[avail];
+ int numRead = 0;
+ int pos = 0;
+ do {
+ if (pos + avail > data.length) {
+ byte[] newData = new byte[pos + avail];
+ System.arraycopy(data, 0, newData, 0, pos);
+ data = newData;
+ }
+ numRead = stream.read(data, pos, avail);
+ if (numRead >= 0) {
+ pos += numRead;
+ }
+ avail = stream.available();
+ } while (avail > 0 && numRead >= 0);
+ return new String(data, 0, pos, "US-ASCII");
+ }
+}
diff --git a/src/demos/util/FloatList.java b/src/demos/util/FloatList.java
new file mode 100644
index 0000000..fe06e2e
--- /dev/null
+++ b/src/demos/util/FloatList.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+/** Growable array of floats. */
+
+public class FloatList {
+ private static final int DEFAULT_SIZE = 10;
+
+ private float[] data = new float[DEFAULT_SIZE];
+ private int numElements;
+
+ public void add(float f) {
+ if (numElements == data.length) {
+ resize(1 + numElements);
+ }
+ data[numElements++] = f;
+ assert numElements <= data.length;
+ }
+
+ public int size() {
+ return numElements;
+ }
+
+ public float get(int index) {
+ if (index >= numElements) {
+ throw new ArrayIndexOutOfBoundsException(index);
+ }
+ return data[index];
+ }
+
+ public void put(int index, float val) {
+ if (index >= numElements) {
+ throw new ArrayIndexOutOfBoundsException(index);
+ }
+ data[index] = val;
+ }
+
+ public void trim() {
+ if (data.length > numElements) {
+ float[] newData = new float[numElements];
+ System.arraycopy(data, 0, newData, 0, numElements);
+ data = newData;
+ }
+ }
+
+ public float[] getData() {
+ return data;
+ }
+
+ private void resize(int minCapacity) {
+ int newCapacity = 2 * data.length;
+ if (newCapacity == 0) {
+ newCapacity = DEFAULT_SIZE;
+ }
+ if (newCapacity < minCapacity) {
+ newCapacity = minCapacity;
+ }
+ float[] newData = new float[newCapacity];
+ System.arraycopy(data, 0, newData, 0, data.length);
+ data = newData;
+ }
+}
diff --git a/src/demos/util/IntList.java b/src/demos/util/IntList.java
new file mode 100644
index 0000000..54a4745
--- /dev/null
+++ b/src/demos/util/IntList.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+/** Growable array of ints. */
+
+public class IntList {
+ private static final int DEFAULT_SIZE = 10;
+
+ private int[] data = new int[DEFAULT_SIZE];
+ private int numElements;
+
+ public void add(int f) {
+ if (numElements == data.length) {
+ resize(1 + numElements);
+ }
+ data[numElements++] = f;
+ assert numElements <= data.length;
+ }
+
+ public int size() {
+ return numElements;
+ }
+
+ public int get(int index) {
+ if (index >= numElements) {
+ throw new ArrayIndexOutOfBoundsException(index);
+ }
+ return data[index];
+ }
+
+ public void put(int index, int val) {
+ if (index >= numElements) {
+ throw new ArrayIndexOutOfBoundsException(index);
+ }
+ data[index] = val;
+ }
+
+ public void trim() {
+ if (data.length > numElements) {
+ int[] newData = new int[numElements];
+ System.arraycopy(data, 0, newData, 0, numElements);
+ data = newData;
+ }
+ }
+
+ public int[] getData() {
+ return data;
+ }
+
+ private void resize(int minCapacity) {
+ int newCapacity = 2 * data.length;
+ if (newCapacity == 0) {
+ newCapacity = DEFAULT_SIZE;
+ }
+ if (newCapacity < minCapacity) {
+ newCapacity = minCapacity;
+ }
+ int[] newData = new int[newCapacity];
+ System.arraycopy(data, 0, newData, 0, data.length);
+ data = newData;
+ }
+}
diff --git a/src/demos/util/MD2.java b/src/demos/util/MD2.java
new file mode 100644
index 0000000..8e43c79
--- /dev/null
+++ b/src/demos/util/MD2.java
@@ -0,0 +1,702 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+import java.io.*;
+import java.nio.*;
+import java.nio.channels.*;
+import java.util.*;
+
+/** Reader for MD2 models, used by Quake II. */
+
+public class MD2 {
+ public static Model loadMD2(String filename) throws IOException {
+ List/*<IFrame>*/ ifr = new ArrayList/*<IFrame>*/();
+ loadFrames(filename, ifr);
+ return computeModel(ifr);
+ }
+
+ public static Model loadMD2(InputStream in) throws IOException {
+ List/*<IFrame>*/ ifr = new ArrayList/*<IFrame>*/();
+ loadFrames(in, ifr);
+ return computeModel(ifr);
+ }
+
+ public static class FileHeader {
+ public int ident;
+ public int version;
+ public int skinwidth;
+ public int skinheight;
+ public int framesize; // byte size of each frame
+ public int num_skins;
+ public int num_xyz;
+ public int num_st; // greater than num_xyz for seams
+ public int num_tris;
+ public int num_glcmds; // dwords in strip/fan command list
+ public int num_frames;
+ public int ofs_skins; // each skin is a MAX_SKINNAME string
+ public int ofs_st; // byte offset from start for stverts
+ public int ofs_tris; // offset for dtriangles
+ public int ofs_frames; // offset for first frame
+ public int ofs_glcmds;
+ public int ofs_end; // end of file
+ };
+
+ public static class FileCompressedVertex {
+ public byte[] v = new byte[3]; // scaled byte to fit in frame mins/maxs
+ public byte lightnormalindex;
+ }
+
+ public static class FileFrame {
+ public float[] scale = new float[3]; // multiply byte verts by this
+ public float[] translate = new float[3]; // then add this
+ public String name; // frame name from grabbing
+ public FileCompressedVertex[] verts; // variable sized
+ }
+
+ public static class FileModel {
+ public int[] glcmds;
+ public FileFrame[] frames;
+ }
+
+ public static class PositionNormal implements Cloneable {
+ public float x, y, z;
+ public float nx, ny, nz;
+ public Object clone() {
+ try {
+ return super.clone();
+ } catch (CloneNotSupportedException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ public static class TexCoord {
+ public float s,t;
+ }
+
+ public static class Vertex {
+ public int pn_index;
+ public TexCoord tc = new TexCoord();
+ }
+
+ public static class Triangle {
+ public Vertex[] v = new Vertex[3];
+ public boolean kill;
+ }
+
+ public static class WingedEdge {
+ public int[] e = new int[2]; // vertex index
+ public int[] w = new int[2]; // triangle index: for "open" models, w[1] == -1 on open edges
+ }
+
+ public static class Plane implements Cloneable {
+ public float a,b,c,d;
+ public Object clone() {
+ try {
+ return super.clone();
+ } catch (CloneNotSupportedException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ public static class Frame implements Cloneable {
+ public PositionNormal[] pn; // [pn_index]
+ public Plane[] triplane; // [tri_num]
+
+ public Object clone() {
+ Frame res = new Frame();
+ res.pn = new PositionNormal[pn.length];
+ for (int i = 0; i < pn.length; i++) {
+ res.pn[i] = (PositionNormal) pn[i].clone();
+ }
+ res.triplane = new Plane[triplane.length];
+ for (int i = 0; i < triplane.length; i++) {
+ res.triplane[i] = (Plane) triplane[i].clone();
+ }
+ return res;
+ }
+ }
+
+ public static class Model {
+ public Frame[] f;
+ public Triangle[] tri; // [tri_num]
+ public WingedEdge[] edge; // [edge_num]
+ }
+
+ public static void computePlane(PositionNormal a, PositionNormal b, PositionNormal c, Plane p) {
+ float[] v0 = new float[3];
+ v0[0] = b.x - a.x;
+ v0[1] = b.y - a.y;
+ v0[2] = b.z - a.z;
+ float[] v1 = new float[3];
+ v1[0] = c.x - a.x;
+ v1[1] = c.y - a.y;
+ v1[2] = c.z - a.z;
+ float[] cr = new float[3];
+ cr[0] = v0[1] * v1[2] - v0[2] * v1[1];
+ cr[1] = v0[2] * v1[0] - v0[0] * v1[2];
+ cr[2] = v0[0] * v1[1] - v0[1] * v1[0];
+ float l = (float) Math.sqrt(cr[0] * cr[0] + cr[1] * cr[1] + cr[2] * cr[2]);
+ if (l == 0) {
+ // degenerate triangle
+ p.a = p.b = p.c = p.d = 0;
+ return;
+ }
+ p.a = cr[0] / l;
+ p.b = cr[1] / l;
+ p.c = cr[2] / l;
+
+ p.d = -(p.a * a.x + p.b * a.y + p.c * a.z); // signed distance of a point on the plane from the origin
+ }
+
+ //----------------------------------------------------------------------
+ // Internals only below this point
+ //
+
+ private static Model computeModel(List/*<IFrame>*/ ifr) throws IOException {
+ if (!compareFrames(ifr)) {
+ throw new IOException("unsuitable model -- frames aren't same");
+ }
+ Model m = new Model();
+ m.tri = ((IFrame) ifr.get(0)).tri;
+ m.f = new Frame[ifr.size()];
+ for (int i = 0; i < ifr.size(); i++) {
+ Frame f = new Frame();
+ m.f[i] = f;
+ IFrame it = (IFrame) ifr.get(i);
+ f.pn = it.pn;
+ computeFramePlanes(m.tri, f);
+ }
+ computeWingedEdges(m);
+ return m;
+ }
+
+ private static class IFrame {
+ PositionNormal[] pn;
+ Triangle[] tri;
+ }
+
+ // normal table lifted from Mark Kilgard's md2bump demo
+ private static final float[] normalTable = new float[] {
+ -0.525731f, 0.000000f, 0.850651f,
+ -0.442863f, 0.238856f, 0.864188f,
+ -0.295242f, 0.000000f, 0.955423f,
+ -0.309017f, 0.500000f, 0.809017f,
+ -0.162460f, 0.262866f, 0.951056f,
+ 0.000000f, 0.000000f, 1.000000f,
+ 0.000000f, 0.850651f, 0.525731f,
+ -0.147621f, 0.716567f, 0.681718f,
+ 0.147621f, 0.716567f, 0.681718f,
+ 0.000000f, 0.525731f, 0.850651f,
+ 0.309017f, 0.500000f, 0.809017f,
+ 0.525731f, 0.000000f, 0.850651f,
+ 0.295242f, 0.000000f, 0.955423f,
+ 0.442863f, 0.238856f, 0.864188f,
+ 0.162460f, 0.262866f, 0.951056f,
+ -0.681718f, 0.147621f, 0.716567f,
+ -0.809017f, 0.309017f, 0.500000f,
+ -0.587785f, 0.425325f, 0.688191f,
+ -0.850651f, 0.525731f, 0.000000f,
+ -0.864188f, 0.442863f, 0.238856f,
+ -0.716567f, 0.681718f, 0.147621f,
+ -0.688191f, 0.587785f, 0.425325f,
+ -0.500000f, 0.809017f, 0.309017f,
+ -0.238856f, 0.864188f, 0.442863f,
+ -0.425325f, 0.688191f, 0.587785f,
+ -0.716567f, 0.681718f, -0.147621f,
+ -0.500000f, 0.809017f, -0.309017f,
+ -0.525731f, 0.850651f, 0.000000f,
+ 0.000000f, 0.850651f, -0.525731f,
+ -0.238856f, 0.864188f, -0.442863f,
+ 0.000000f, 0.955423f, -0.295242f,
+ -0.262866f, 0.951056f, -0.162460f,
+ 0.000000f, 1.000000f, 0.000000f,
+ 0.000000f, 0.955423f, 0.295242f,
+ -0.262866f, 0.951056f, 0.162460f,
+ 0.238856f, 0.864188f, 0.442863f,
+ 0.262866f, 0.951056f, 0.162460f,
+ 0.500000f, 0.809017f, 0.309017f,
+ 0.238856f, 0.864188f, -0.442863f,
+ 0.262866f, 0.951056f, -0.162460f,
+ 0.500000f, 0.809017f, -0.309017f,
+ 0.850651f, 0.525731f, 0.000000f,
+ 0.716567f, 0.681718f, 0.147621f,
+ 0.716567f, 0.681718f, -0.147621f,
+ 0.525731f, 0.850651f, 0.000000f,
+ 0.425325f, 0.688191f, 0.587785f,
+ 0.864188f, 0.442863f, 0.238856f,
+ 0.688191f, 0.587785f, 0.425325f,
+ 0.809017f, 0.309017f, 0.500000f,
+ 0.681718f, 0.147621f, 0.716567f,
+ 0.587785f, 0.425325f, 0.688191f,
+ 0.955423f, 0.295242f, 0.000000f,
+ 1.000000f, 0.000000f, 0.000000f,
+ 0.951056f, 0.162460f, 0.262866f,
+ 0.850651f, -0.525731f, 0.000000f,
+ 0.955423f, -0.295242f, 0.000000f,
+ 0.864188f, -0.442863f, 0.238856f,
+ 0.951056f, -0.162460f, 0.262866f,
+ 0.809017f, -0.309017f, 0.500000f,
+ 0.681718f, -0.147621f, 0.716567f,
+ 0.850651f, 0.000000f, 0.525731f,
+ 0.864188f, 0.442863f, -0.238856f,
+ 0.809017f, 0.309017f, -0.500000f,
+ 0.951056f, 0.162460f, -0.262866f,
+ 0.525731f, 0.000000f, -0.850651f,
+ 0.681718f, 0.147621f, -0.716567f,
+ 0.681718f, -0.147621f, -0.716567f,
+ 0.850651f, 0.000000f, -0.525731f,
+ 0.809017f, -0.309017f, -0.500000f,
+ 0.864188f, -0.442863f, -0.238856f,
+ 0.951056f, -0.162460f, -0.262866f,
+ 0.147621f, 0.716567f, -0.681718f,
+ 0.309017f, 0.500000f, -0.809017f,
+ 0.425325f, 0.688191f, -0.587785f,
+ 0.442863f, 0.238856f, -0.864188f,
+ 0.587785f, 0.425325f, -0.688191f,
+ 0.688191f, 0.587785f, -0.425325f,
+ -0.147621f, 0.716567f, -0.681718f,
+ -0.309017f, 0.500000f, -0.809017f,
+ 0.000000f, 0.525731f, -0.850651f,
+ -0.525731f, 0.000000f, -0.850651f,
+ -0.442863f, 0.238856f, -0.864188f,
+ -0.295242f, 0.000000f, -0.955423f,
+ -0.162460f, 0.262866f, -0.951056f,
+ 0.000000f, 0.000000f, -1.000000f,
+ 0.295242f, 0.000000f, -0.955423f,
+ 0.162460f, 0.262866f, -0.951056f,
+ -0.442863f, -0.238856f, -0.864188f,
+ -0.309017f, -0.500000f, -0.809017f,
+ -0.162460f, -0.262866f, -0.951056f,
+ 0.000000f, -0.850651f, -0.525731f,
+ -0.147621f, -0.716567f, -0.681718f,
+ 0.147621f, -0.716567f, -0.681718f,
+ 0.000000f, -0.525731f, -0.850651f,
+ 0.309017f, -0.500000f, -0.809017f,
+ 0.442863f, -0.238856f, -0.864188f,
+ 0.162460f, -0.262866f, -0.951056f,
+ 0.238856f, -0.864188f, -0.442863f,
+ 0.500000f, -0.809017f, -0.309017f,
+ 0.425325f, -0.688191f, -0.587785f,
+ 0.716567f, -0.681718f, -0.147621f,
+ 0.688191f, -0.587785f, -0.425325f,
+ 0.587785f, -0.425325f, -0.688191f,
+ 0.000000f, -0.955423f, -0.295242f,
+ 0.000000f, -1.000000f, 0.000000f,
+ 0.262866f, -0.951056f, -0.162460f,
+ 0.000000f, -0.850651f, 0.525731f,
+ 0.000000f, -0.955423f, 0.295242f,
+ 0.238856f, -0.864188f, 0.442863f,
+ 0.262866f, -0.951056f, 0.162460f,
+ 0.500000f, -0.809017f, 0.309017f,
+ 0.716567f, -0.681718f, 0.147621f,
+ 0.525731f, -0.850651f, 0.000000f,
+ -0.238856f, -0.864188f, -0.442863f,
+ -0.500000f, -0.809017f, -0.309017f,
+ -0.262866f, -0.951056f, -0.162460f,
+ -0.850651f, -0.525731f, 0.000000f,
+ -0.716567f, -0.681718f, -0.147621f,
+ -0.716567f, -0.681718f, 0.147621f,
+ -0.525731f, -0.850651f, 0.000000f,
+ -0.500000f, -0.809017f, 0.309017f,
+ -0.238856f, -0.864188f, 0.442863f,
+ -0.262866f, -0.951056f, 0.162460f,
+ -0.864188f, -0.442863f, 0.238856f,
+ -0.809017f, -0.309017f, 0.500000f,
+ -0.688191f, -0.587785f, 0.425325f,
+ -0.681718f, -0.147621f, 0.716567f,
+ -0.442863f, -0.238856f, 0.864188f,
+ -0.587785f, -0.425325f, 0.688191f,
+ -0.309017f, -0.500000f, 0.809017f,
+ -0.147621f, -0.716567f, 0.681718f,
+ -0.425325f, -0.688191f, 0.587785f,
+ -0.162460f, -0.262866f, 0.951056f,
+ 0.442863f, -0.238856f, 0.864188f,
+ 0.162460f, -0.262866f, 0.951056f,
+ 0.309017f, -0.500000f, 0.809017f,
+ 0.147621f, -0.716567f, 0.681718f,
+ 0.000000f, -0.525731f, 0.850651f,
+ 0.425325f, -0.688191f, 0.587785f,
+ 0.587785f, -0.425325f, 0.688191f,
+ 0.688191f, -0.587785f, 0.425325f,
+ -0.955423f, 0.295242f, 0.000000f,
+ -0.951056f, 0.162460f, 0.262866f,
+ -1.000000f, 0.000000f, 0.000000f,
+ -0.850651f, 0.000000f, 0.525731f,
+ -0.955423f, -0.295242f, 0.000000f,
+ -0.951056f, -0.162460f, 0.262866f,
+ -0.864188f, 0.442863f, -0.238856f,
+ -0.951056f, 0.162460f, -0.262866f,
+ -0.809017f, 0.309017f, -0.500000f,
+ -0.864188f, -0.442863f, -0.238856f,
+ -0.951056f, -0.162460f, -0.262866f,
+ -0.809017f, -0.309017f, -0.500000f,
+ -0.681718f, 0.147621f, -0.716567f,
+ -0.681718f, -0.147621f, -0.716567f,
+ -0.850651f, 0.000000f, -0.525731f,
+ -0.688191f, 0.587785f, -0.425325f,
+ -0.587785f, 0.425325f, -0.688191f,
+ -0.425325f, 0.688191f, -0.587785f,
+ -0.425325f, -0.688191f, -0.587785f,
+ -0.587785f, -0.425325f, -0.688191f,
+ -0.688191f, -0.587785f, -0.425325f
+ };
+
+ private static void loadFrames(String filename, List/*<IFrame>*/ md2p) throws IOException {
+ FileModel mf = loadMD2File(filename);
+ computeFrames(mf, md2p);
+ }
+
+ private static void loadFrames(InputStream in, List/*<IFrame>*/ md2p) throws IOException {
+ FileModel mf = loadMD2File(in);
+ computeFrames(mf, md2p);
+ }
+
+ private static void computeFrames(FileModel mf, List/*<IFrame>*/ md2p) throws IOException {
+ for (int i = 0; i < mf.frames.length; i++) {
+ IFrame f = new IFrame();
+ md2p.add(f);
+ FileFrame curframe = mf.frames[i];
+ f.pn = new PositionNormal[curframe.verts.length];
+ for (int j = 0; j < curframe.verts.length; j++) {
+ PositionNormal pn = new PositionNormal();
+ pn.x = (((curframe.verts[j].v[0] & 0xFF) * curframe.scale[0]) + curframe.translate[0]) * .025f;
+ pn.y = (((curframe.verts[j].v[1] & 0xFF) * curframe.scale[1]) + curframe.translate[1]) * .025f;
+ pn.z = (((curframe.verts[j].v[2] & 0xFF) * curframe.scale[2]) + curframe.translate[2]) * .025f;
+ int normal_index = curframe.verts[j].lightnormalindex & 0xFF;
+ pn.nx = normalTable[3 * normal_index + 0];
+ pn.ny = normalTable[3 * normal_index + 1];
+ pn.nz = normalTable[3 * normal_index + 2];
+ f.pn[j] = pn;
+ }
+
+ List/*<Triangle>*/ tris = new ArrayList();
+ int[] idx = new int[1];
+ while (mf.glcmds[idx[0]] != 0) {
+ int vertnum;
+ boolean is_strip;
+ if (mf.glcmds[idx[0]] > 0) {
+ vertnum = mf.glcmds[idx[0]++]; is_strip = true; // triangle strip
+ } else {
+ vertnum = -mf.glcmds[idx[0]++]; is_strip = false; // triangle fan
+ }
+
+ if (is_strip) {
+ Vertex[] prev = new Vertex[2];
+ prev[0] = extractVertex(mf.glcmds, idx);
+ prev[1] = extractVertex(mf.glcmds, idx);
+ for (int j = 2; j < vertnum; j++) {
+ Triangle tri = new Triangle();
+ if ((j % 2) == 0) {
+ tri.v[0] = prev[0];
+ tri.v[1] = prev[1];
+ tri.v[2] = extractVertex(mf.glcmds, idx);
+ prev[0] = tri.v[2];
+ } else {
+ tri.v[0] = prev[1];
+ tri.v[1] = extractVertex(mf.glcmds, idx);
+ tri.v[2] = prev[0];
+ prev[1] = tri.v[1];
+ }
+ // swap v[1] and v[2] to fix triangle winding
+ Vertex hold = tri.v[1];
+ tri.v[1] = tri.v[2];
+ tri.v[2] = hold;
+ tris.add(tri);
+ }
+ } else {
+ // is fan
+ Vertex ctr = extractVertex(mf.glcmds, idx);
+ Vertex prev = extractVertex(mf.glcmds, idx);
+ for (int j = 2; j < vertnum; j++) {
+ Triangle tri = new Triangle();
+ tri.v[0] = ctr;
+ tri.v[1] = prev;
+ tri.v[2] = extractVertex(mf.glcmds, idx);
+ prev = tri.v[2];
+ // swap v[1] and v[2] to fix triangle winding
+ Vertex hold = tri.v[1];
+ tri.v[1] = tri.v[2];
+ tri.v[2] = hold;
+ tris.add(tri);
+ }
+ }
+ }
+ f.tri = (Triangle[]) tris.toArray(new Triangle[0]);
+ }
+ }
+
+ private static FileModel loadMD2File(ByteBuffer buf) throws IOException {
+ buf.order(ByteOrder.LITTLE_ENDIAN);
+ FileModel md2p = new FileModel();
+ FileHeader header = readHeader(buf);
+ buf.position(header.ofs_frames);
+ readFrames(buf, header, md2p);
+ buf.position(header.ofs_glcmds);
+ readGLCommands(buf, header, md2p);
+ return md2p;
+ }
+
+ private static FileModel loadMD2File(InputStream in) throws IOException {
+ in = new BufferedInputStream(in);
+ int avail = in.available();
+ byte[] data = new byte[avail];
+ int numRead = 0;
+ int pos = 0;
+ do {
+ if (pos + avail > data.length) {
+ byte[] newData = new byte[pos + avail];
+ System.arraycopy(data, 0, newData, 0, pos);
+ data = newData;
+ }
+ numRead = in.read(data, pos, avail);
+ if (numRead >= 0) {
+ pos += numRead;
+ }
+ avail = in.available();
+ } while (avail > 0 && numRead >= 0);
+ ByteBuffer buf = ByteBuffer.allocateDirect(pos);
+ buf.put(data, 0, pos);
+ buf.rewind();
+ return loadMD2File(buf);
+ }
+
+ private static FileModel loadMD2File(String filename) throws IOException {
+ FileInputStream fis = new FileInputStream(filename);
+ FileChannel chan = fis.getChannel();
+ ByteBuffer buf = chan.map(FileChannel.MapMode.READ_ONLY, 0, fis.available());
+ FileModel md2p = loadMD2File(buf);
+ chan.close();
+ fis.close();
+ return md2p;
+ }
+
+ private static FileHeader readHeader(ByteBuffer buf) {
+ FileHeader header = new FileHeader();
+ header.ident = buf.getInt();
+ header.version = buf.getInt();
+ header.skinwidth = buf.getInt();
+ header.skinheight = buf.getInt();
+ header.framesize = buf.getInt();
+ header.num_skins = buf.getInt();
+ header.num_xyz = buf.getInt();
+ header.num_st = buf.getInt();
+ header.num_tris = buf.getInt();
+ header.num_glcmds = buf.getInt();
+ header.num_frames = buf.getInt();
+ header.ofs_skins = buf.getInt();
+ header.ofs_st = buf.getInt();
+ header.ofs_tris = buf.getInt();
+ header.ofs_frames = buf.getInt();
+ header.ofs_glcmds = buf.getInt();
+ header.ofs_end = buf.getInt();
+ return header;
+ }
+
+ private static int numVerts(int framesize) {
+ return (framesize >> 2) - 10;
+ }
+
+ private static void readFrames(ByteBuffer buf, FileHeader header, FileModel md2p) throws IOException {
+ int numframes = header.num_frames;
+ int framesize = header.framesize;
+ int numVerts = numVerts(framesize);
+ FileFrame[] frames = new FileFrame[numframes];
+ byte[] name = new byte[16];
+ for (int i = 0; i < numframes; i++) {
+ FileFrame frame = new FileFrame();
+ frame.scale[0] = buf.getFloat();
+ frame.scale[1] = buf.getFloat();
+ frame.scale[2] = buf.getFloat();
+ frame.translate[0] = buf.getFloat();
+ frame.translate[1] = buf.getFloat();
+ frame.translate[2] = buf.getFloat();
+ buf.get(name);
+ try {
+ frame.name = new String(name, "US-ASCII");
+ } catch (UnsupportedEncodingException e) {
+ throw new IOException(e.toString());
+ }
+ frame.verts = new FileCompressedVertex[numVerts];
+ for (int j = 0; j < numVerts; j++) {
+ FileCompressedVertex vert = new FileCompressedVertex();
+ buf.get(vert.v);
+ vert.lightnormalindex = buf.get();
+ frame.verts[j] = vert;
+ }
+ frames[i] = frame;
+ }
+ md2p.frames = frames;
+ }
+
+ private static void readGLCommands(ByteBuffer buf, FileHeader header, FileModel md2p) {
+ int num_glcmds = header.num_glcmds;
+ int[] glcmds = new int[num_glcmds];
+ for (int i = 0; i < num_glcmds; i++) {
+ glcmds[i] = buf.getInt();
+ }
+ md2p.glcmds = glcmds;
+ }
+
+ private static Vertex extractVertex(int[] glcmds, int[] idx) {
+ Vertex v = new Vertex();
+ v.tc.s = Float.intBitsToFloat(glcmds[idx[0]++]);
+ v.tc.t = Float.intBitsToFloat(glcmds[idx[0]++]);
+ v.pn_index = glcmds[idx[0]++];
+ return v;
+ }
+
+ private static boolean compareFrames(List/*<IFrame>*/ m) {
+ IFrame f0 = (IFrame) m.get(0);
+ boolean same_topology = true;
+ boolean same_texcoords = true;
+
+ for (int i = 1; i < m.size(); i++) {
+ IFrame f = (IFrame) m.get(i);
+ if (f.pn.length != f0.pn.length) {
+ System.err.println("pn size different for iframe " + i + " : " + f0.pn.length + " != " + f.pn.length);
+ same_topology = false;
+ }
+ if (f.tri.length != f0.tri.length) {
+ System.err.println("tri size different for iframe " + i + " : " + f0.tri.length + " != " + f.tri.length);
+ same_topology = false;
+ }
+ if (same_topology) {
+ for (int j = 0; j < f.tri.length; j++) {
+ Triangle t0 = f0.tri[j];
+ Triangle t = f.tri[j];
+ for (int k = 0; k < 3; k++) {
+ if (t0.v[k].pn_index != t.v[k].pn_index) {
+ System.err.println("tri " + j + " triangle pn_index " + k + " different!");
+ same_topology = false;
+ }
+ if (t0.v[k].tc.s != t.v[k].tc.s || t0.v[k].tc.t != t.v[k].tc.t) {
+ System.err.println("tri " + j + " triangle tc " + k + " different!");
+ same_texcoords = false;
+ }
+ }
+ }
+ }
+ }
+
+ return same_topology && same_texcoords;
+ }
+
+ /**
+ Computes the plane equations for each polygon of a frame.
+ */
+ private static void computeFramePlanes(Triangle[] tri, Frame f) {
+ f.triplane = new Plane[tri.length];
+ for (int i = 0; i < tri.length; i++) {
+ Triangle t = tri[i];
+ int ia = t.v[0].pn_index;
+ int ib = t.v[1].pn_index;
+ int ic = t.v[2].pn_index;
+ Plane p = new Plane();
+ computePlane(f.pn[ia], f.pn[ib], f.pn[ic], p);
+ f.triplane[i] = p;
+ }
+ }
+
+ private static int computeWingedEdges(Model m) {
+ Triangle[] tri = m.tri;
+ List/*<WingedEdge>*/ edge = new ArrayList/*<WingedEdge>*/();
+
+ // for each triangle, try to add each edge to the winged_edge vector,
+ // but check first to see if it's already there
+ int tsize = tri.length;
+ for (int i = 0; i < tsize; i++) {
+ Triangle t = tri[i];
+ for (int j = 0; j < 3; j++) {
+ WingedEdge we = new WingedEdge();
+ we.e[0] = t.v[ j ].pn_index;
+ we.e[1] = t.v[(j+1)%3].pn_index;
+ we.w[0] = i;
+ we.w[1] = -1; // subsequent attempt to add this edge will replace w[1]
+ addEdge(edge, we);
+ }
+ }
+ int open_edge = 0;
+ for (int i = 0; i < edge.size(); i++) {
+ if (((WingedEdge) edge.get(i)).w[1] == -1)
+ open_edge++;
+ }
+ //fprintf(stderr, "out of % edges, there were %d open edges\n", edge.size(), open_edge);
+ m.edge = (WingedEdge[]) edge.toArray(new WingedEdge[0]);
+ return open_edge;
+ }
+
+ /**
+ add_edge will look to see if the current edge is already in the list.
+ If it is not, it will add it. If it is, it will replace the w[1] in
+ the existing table with w[0] from the edge being added.
+ */
+ private static void addEdge(List/*<WingedEdge>*/ edge, WingedEdge we) {
+ int esize = edge.size();
+ for (int i=0; i < esize; i++) {
+ WingedEdge we0 = (WingedEdge) edge.get(i);
+ if (we0.e[0] == we.e[0] && we0.e[1] == we.e[1]) {
+ System.err.println("facingness different between polys on edge!");
+ }
+ if(we0.e[0] == we.e[1] && we0.e[1] == we.e[0]) {
+ if(we0.w[1] != -1) {
+ System.err.println("triple edge! bad...");
+ }
+ we0.w[1] = we.w[0]; // pair the edge and return
+ return;
+ }
+ }
+ edge.add(we); // otherwise, add the new edge
+ }
+
+ public static void main(String[] args) {
+ for (int i = 0; i < args.length; i++) {
+ try {
+ MD2.Model model = loadMD2(args[i]);
+ System.err.println("Successfully parsed " + args[i]);
+ } catch (IOException e) {
+ System.err.println("Error parsing " + args[i] + ":");
+ e.printStackTrace();
+ }
+ }
+ }
+}
diff --git a/src/demos/util/ObjReader.java b/src/demos/util/ObjReader.java
new file mode 100644
index 0000000..75a2d08
--- /dev/null
+++ b/src/demos/util/ObjReader.java
@@ -0,0 +1,368 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.nio.FloatBuffer;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.StringTokenizer;
+import com.sun.opengl.util.BufferUtil;
+
+
+
+/** Simple parser for Wavefront .OBJ files. Does not support all file
+ options -- currently requires vertices and normals (only) to be
+ present. */
+
+public class ObjReader {
+ private int verticesPerFace = -1;
+ private FloatBuffer vertices;
+ private FloatBuffer normals;
+ private float[] aabbMin = new float[3];
+ private float[] aabbMax = new float[3];
+ private float[] center = new float[3];
+ private float radius;
+ // If we wanted this to be really general we'd have an array of
+ // FloatLists for the various kinds of vertices as well
+ private FloatList tmpVertices;
+ private FloatList tmpVertexNormals;
+ private IntList faceIndices;
+ private IntList[] tmpFaceIndices;
+
+ public ObjReader(String filename) throws IOException {
+ this(new File(filename));
+ }
+
+ public ObjReader(InputStream in) throws IOException {
+ this(new InputStreamReader(in));
+ }
+
+ public ObjReader(File file) throws IOException {
+ this (new FileReader(file));
+ }
+
+ public ObjReader(Reader r) throws IOException {
+ BufferedReader reader = new BufferedReader(r);
+ String line = null;
+ int lineNo = 0;
+ float[] floatTmp = new float[3];
+
+ while ((line = reader.readLine()) != null) {
+ ++lineNo;
+ if (line.length() > 0) {
+ char c = line.charAt(0);
+ // FIXME: support continuation of lines with trailing '\'
+ switch (c) {
+ case '#':
+ break;
+
+ case 'v':
+ if (Character.isWhitespace(line.charAt(1))) {
+ addVertex(parseFloats(line, 3, floatTmp, lineNo));
+ } else if (line.startsWith("vn")) {
+ addVertexNormal(parseFloats(line, 3, floatTmp, lineNo));
+ } else {
+ throw new IOException("Unsupported vertex command on line " + lineNo);
+ }
+ break;
+
+ case 'f':
+ parseIndices(line, lineNo);
+
+ default:
+ // For now we ignore all other lines
+ }
+ }
+ }
+
+ // Now have all vertex information.
+ // Make it possible to use same indices for both vertices and normals
+ condenseIndices();
+
+ // Compute axis-aligned bounding box and radius
+ computeBoundingBox();
+ }
+
+ public void rescale(float amount) {
+ for (int i = 0; i < vertices.capacity(); i++) {
+ vertices.put(i, vertices.get(i) * amount);
+ }
+ }
+
+ public FloatBuffer getVertices() {
+ return vertices;
+ }
+
+ public FloatBuffer getVertexNormals() {
+ return normals;
+ }
+
+ public int[] getFaceIndices() {
+ return faceIndices.getData();
+ }
+
+ public int getVerticesPerFace() {
+ return verticesPerFace;
+ }
+
+ public float[] getAABBMin() {
+ return aabbMin;
+ }
+
+ public float[] getAABBMax() {
+ return aabbMax;
+ }
+
+ public float[] getCenter() {
+ return center;
+ }
+
+ public float getRadius() {
+ return radius;
+ }
+
+ //----------------------------------------------------------------------
+ // Internals only below this point
+ //
+
+ private void addVertex(float[] tmp) {
+ if (tmpVertices == null) {
+ tmpVertices = new FloatList();
+ }
+ for (int i = 0; i < 3; i++) {
+ tmpVertices.add(tmp[i]);
+ }
+ }
+
+ private void addVertexNormal(float[] tmp) {
+ if (tmpVertexNormals == null) {
+ tmpVertexNormals = new FloatList();
+ }
+ for (int i = 0; i < 3; i++) {
+ tmpVertexNormals.add(tmp[i]);
+ }
+ }
+
+ private float[] parseFloats(String line, int num, float[] tmp, int lineNo) throws IOException {
+ StringTokenizer tok = new StringTokenizer(line);
+ tok.nextToken(); // skip command
+ int idx = 0;
+ while (tok.hasMoreTokens()) {
+ if (idx >= tmp.length) {
+ throw new IOException("Too many floating-point values on line " + lineNo);
+ }
+ tmp[idx++] = Float.parseFloat(tok.nextToken());
+ }
+ return tmp;
+ }
+
+ private void parseIndices(String line, int lineNo) throws IOException {
+ StringTokenizer tok = new StringTokenizer(line);
+ tok.nextToken(); // skip command
+ List tokens = new ArrayList();
+ while (tok.hasMoreTokens()) {
+ tokens.add(tok.nextToken());
+ }
+ // This is the number of vertices in this face.
+ // If we seem to have already found this, it had better match the
+ // previously read value (for now - don't want to add the
+ // complexity of supporting some faces with a certain number of
+ // vertices and some with a different number)
+ if (verticesPerFace < 0) {
+ verticesPerFace = tokens.size();
+ } else {
+ if (verticesPerFace != tokens.size()) {
+ throw new IOException("Face on line " + lineNo + " had " + tokens.size() +
+ " vertices, but had already previously set the number of vertices per face to " +
+ verticesPerFace);
+ }
+ }
+ // Now read the individual indices out of each token
+ for (Iterator iter = tokens.iterator(); iter.hasNext(); ) {
+ String indices = (String) iter.next();
+ if (tmpFaceIndices == null) {
+ StringTokenizer tmpTok = new StringTokenizer(indices, "/");
+ int numIndicesPerVertex = 0;
+ while (tmpTok.hasMoreTokens()) {
+ tmpTok.nextToken();
+ ++numIndicesPerVertex;
+ }
+ tmpFaceIndices = new IntList[numIndicesPerVertex];
+ for (int i = 0; i < numIndicesPerVertex; i++) {
+ tmpFaceIndices[i] = new IntList();
+ }
+ }
+
+ StringTokenizer tok2 = new StringTokenizer(indices, "/");
+ int which = 0;
+ while (tok2.hasMoreTokens()) {
+ if (which >= tmpFaceIndices.length) {
+ throw new IOException("Expected all vertices to have " + tmpFaceIndices.length +
+ " indices based on earlier input, but saw vertex with more on line " + lineNo);
+ }
+ String token = tok2.nextToken();
+ int index = Integer.parseInt(token);
+ tmpFaceIndices[which].add(index);
+ ++which;
+ }
+ }
+ }
+
+ // Don't know the hashing rules for arrays off the top of my head
+ static class Indices {
+ int[] data;
+ Indices(int[] data) {
+ this.data = data;
+ }
+
+ public boolean equals(Object obj) {
+ if ((obj == null) || (!(obj instanceof Indices))) {
+ return false;
+ }
+
+ Indices other = (Indices) obj;
+
+ if (data.length != other.data.length) {
+ return false;
+ }
+
+ for (int i = 0; i < data.length; i++) {
+ if (data[i] != other.data[i]) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ public int hashCode() {
+ int hash = 0;
+ for (int i = 0; i < data.length; i++) {
+ hash ^= data[i];
+ }
+ return hash;
+ }
+ }
+
+ private void condenseIndices() {
+ FloatList newVertices = new FloatList();
+ FloatList newVertexNormals = new FloatList();
+ IntList newIndices = new IntList();
+ int nextIndex = 0;
+ HashMap condensingMap = new HashMap();
+ for (int i = 0; i < tmpFaceIndices[0].size(); i++) {
+ Indices indices = getIndices(i);
+ Integer newIndex = (Integer) condensingMap.get(indices);
+ if (newIndex == null) {
+ // Fabricate new vertex and normal index for this one
+ // FIXME: generalize this by putting vertices and vertex
+ // normals in FloatList[] as well
+ condensingMap.put(indices, new Integer(nextIndex));
+ int vtxIdx = 3 * (indices.data[0] - 1);
+ int vtxNrmIdx = 3 * (indices.data[1] - 1);
+ newVertices.add(tmpVertices.get(vtxIdx + 0));
+ newVertices.add(tmpVertices.get(vtxIdx + 1));
+ newVertices.add(tmpVertices.get(vtxIdx + 2));
+ newVertexNormals.add(tmpVertexNormals.get(vtxNrmIdx + 0));
+ newVertexNormals.add(tmpVertexNormals.get(vtxNrmIdx + 1));
+ newVertexNormals.add(tmpVertexNormals.get(vtxNrmIdx + 2));
+ newIndices.add(nextIndex);
+ ++nextIndex;
+ } else {
+ newIndices.add(newIndex.intValue());
+ }
+ }
+ newVertices.trim();
+ newVertexNormals.trim();
+ newIndices.trim();
+ vertices = BufferUtil.newFloatBuffer(newVertices.size());
+ vertices.put(newVertices.getData());
+ vertices.rewind();
+ normals = BufferUtil.newFloatBuffer(newVertexNormals.size());
+ normals.put(newVertexNormals.getData());
+ normals.rewind();
+ faceIndices = newIndices;
+ tmpVertices = null;
+ tmpVertexNormals = null;
+ }
+
+ private void computeBoundingBox() {
+ for (int i = 0; i < vertices.capacity(); i += 3) {
+ if (i == 0) {
+ aabbMin[0] = vertices.get(i + 0);
+ aabbMin[1] = vertices.get(i + 1);
+ aabbMin[2] = vertices.get(i + 2);
+ aabbMax[0] = vertices.get(i + 0);
+ aabbMax[1] = vertices.get(i + 1);
+ aabbMax[2] = vertices.get(i + 2);
+ } else {
+ aabbMin[0] = Math.min(aabbMin[0], vertices.get(i + 0));
+ aabbMin[1] = Math.min(aabbMin[1], vertices.get(i + 1));
+ aabbMin[2] = Math.min(aabbMin[2], vertices.get(i + 2));
+ aabbMax[0] = Math.max(aabbMax[0], vertices.get(i + 0));
+ aabbMax[1] = Math.max(aabbMax[1], vertices.get(i + 1));
+ aabbMax[2] = Math.max(aabbMax[2], vertices.get(i + 2));
+ }
+ }
+ center[0] = 0.5f * (aabbMin[0] + aabbMax[0]);
+ center[1] = 0.5f * (aabbMin[1] + aabbMax[1]);
+ center[2] = 0.5f * (aabbMin[2] + aabbMax[2]);
+ radius = (float) Math.sqrt((aabbMax[0] - center[0]) * (aabbMax[0] - center[0]) +
+ (aabbMax[1] - center[1]) * (aabbMax[1] - center[1]) +
+ (aabbMax[2] - center[2]) * (aabbMax[2] - center[2]));
+ }
+
+ private Indices getIndices(int index) {
+ int[] indices = new int[tmpFaceIndices.length];
+ for (int i = 0; i < tmpFaceIndices.length; i++) {
+ indices[i] = tmpFaceIndices[i].get(index);
+ }
+ return new Indices(indices);
+ }
+}
diff --git a/src/demos/util/ScreenResSelector.java b/src/demos/util/ScreenResSelector.java
new file mode 100755
index 0000000..5b085de
--- /dev/null
+++ b/src/demos/util/ScreenResSelector.java
@@ -0,0 +1,241 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.util.*;
+import javax.swing.*;
+
+public class ScreenResSelector {
+ static interface DisplayModeFilter {
+ public boolean filter(DisplayMode mode);
+ }
+
+ public static java.util.List getAvailableDisplayModes() {
+ java.util.List modes = getDisplayModes();
+ final DisplayMode curMode = getCurrentDisplayMode();
+ // Filter everything which is higher frequency than the current
+ // display mode
+ modes = filterDisplayModes(modes, new DisplayModeFilter() {
+ public boolean filter(DisplayMode mode) {
+ return (mode.getRefreshRate() <= curMode.getRefreshRate());
+ }
+ });
+ // Filter everything that is not at least 24-bit
+ modes = filterDisplayModes(modes, new DisplayModeFilter() {
+ public boolean filter(DisplayMode mode) {
+ // Bit depth < 0 means "multi-depth" -- can't reason about it
+ return (mode.getBitDepth() < 0 || mode.getBitDepth() >= 24);
+ }
+ });
+ // Filter everything less than 640x480
+ modes = filterDisplayModes(modes, new DisplayModeFilter() {
+ public boolean filter(DisplayMode mode) {
+ return (mode.getWidth() >= 640 && mode.getHeight() >= 480);
+ }
+ });
+ if (modes.size() == 0) {
+ throw new RuntimeException("Couldn't find any valid display modes");
+ }
+ return modes;
+ }
+
+ /** Shows a modal dialog containing the available screen resolutions
+ and requests selection of one of them. Returns the selected one. */
+ public static DisplayMode showSelectionDialog() {
+ SelectionDialog dialog = new SelectionDialog();
+ dialog.setVisible(true);
+ dialog.waitFor();
+ return dialog.selected();
+ }
+
+ public static void main(String[] args) {
+ DisplayMode mode = showSelectionDialog();
+ if (mode != null) {
+ System.err.println("Selected display mode:");
+ System.err.println(modeToString(mode));
+ } else {
+ System.err.println("No display mode selected.");
+ }
+ System.exit(0);
+ }
+
+ //----------------------------------------------------------------------
+ // Internals only below this point
+ //
+
+ private static DisplayMode getCurrentDisplayMode() {
+ GraphicsDevice dev = getDefaultScreenDevice();
+ return dev.getDisplayMode();
+ }
+
+ private static java.util.List/*<DisplayMode>*/ getDisplayModes() {
+ GraphicsDevice dev = getDefaultScreenDevice();
+ DisplayMode[] modes = dev.getDisplayModes();
+ return toList(modes);
+ }
+
+ private static GraphicsDevice getDefaultScreenDevice() {
+ return GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
+ }
+
+ private static java.util.List/*<DisplayMode>*/ toList(DisplayMode[] modes) {
+ java.util.List res = new ArrayList();
+ for (int i = 0; i < modes.length; i++) {
+ res.add(modes[i]);
+ }
+ return res;
+ }
+
+ private static String modeToString(DisplayMode mode) {
+ return (((mode.getBitDepth() > 0) ? (mode.getBitDepth() + " bits, ") : "") +
+ mode.getWidth() + "x" + mode.getHeight() + ", " +
+ mode.getRefreshRate() + " Hz");
+ }
+
+ private static String[] modesToString(java.util.List/*<DisplayMode>*/ modes) {
+ String[] res = new String[modes.size()];
+ int i = 0;
+ for (Iterator iter = modes.iterator(); iter.hasNext(); ) {
+ res[i++] = modeToString((DisplayMode) iter.next());
+ }
+ return res;
+ }
+
+ private static java.util.List/*<DisplayMode>*/ filterDisplayModes(java.util.List/*<DisplayMode>*/ modes,
+ DisplayModeFilter filter) {
+ java.util.List res = new ArrayList();
+ for (Iterator iter = modes.iterator(); iter.hasNext(); ) {
+ DisplayMode mode = (DisplayMode) iter.next();
+ if (filter.filter(mode)) {
+ res.add(mode);
+ }
+ }
+ return res;
+ }
+
+ static class SelectionDialog extends JFrame {
+ private Object monitor = new Object();
+ private java.util.List modes;
+ private volatile boolean done = false;
+ private volatile int selectedIndex;
+
+ public SelectionDialog() {
+ super();
+
+ setTitle("Display Modes");
+ modes = getAvailableDisplayModes();
+ String[] strings = modesToString(modes);
+ final JList modeList = new JList(strings);
+ modeList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+ modeList.setSelectedIndex(0);
+ JScrollPane scroller = new JScrollPane(modeList);
+ getContentPane().setLayout(new BorderLayout());
+ JPanel panel = new JPanel();
+ panel.setLayout(new BorderLayout());
+ panel.add(new JLabel("Select full-screen display mode,"), BorderLayout.NORTH);
+ panel.add(new JLabel("or Cancel for windowed mode:"), BorderLayout.CENTER);
+ getContentPane().add(BorderLayout.NORTH, panel);
+ getContentPane().add(BorderLayout.CENTER, scroller);
+ JPanel buttonPanel = new JPanel();
+ buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.X_AXIS));
+ buttonPanel.add(Box.createGlue());
+ JButton button = new JButton("OK");
+ button.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ selectedIndex = modeList.getSelectedIndex();
+ done = true;
+ synchronized(monitor) {
+ monitor.notify();
+ }
+ setVisible(false);
+ dispose();
+ }
+ });
+ buttonPanel.add(button);
+ buttonPanel.add(Box.createHorizontalStrut(10));
+ button = new JButton("Cancel");
+ button.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ selectedIndex = -1;
+ done = true;
+ synchronized(monitor) {
+ monitor.notify();
+ }
+ setVisible(false);
+ dispose();
+ }
+ });
+ buttonPanel.add(button);
+ buttonPanel.add(Box.createGlue());
+ getContentPane().add(BorderLayout.SOUTH, buttonPanel);
+ setSize(300, 200);
+ center(this, Toolkit.getDefaultToolkit().getScreenSize());
+ }
+
+ public void waitFor() {
+ synchronized(monitor) {
+ while (!done) {
+ try {
+ monitor.wait();
+ } catch (InterruptedException e) {
+ }
+ }
+ }
+ }
+
+ public DisplayMode selected() {
+ if (selectedIndex < 0) {
+ return null;
+ } else {
+ return (DisplayMode) modes.get(selectedIndex);
+ }
+ }
+ }
+
+ private static void center(Component component,
+ Dimension containerDimension) {
+ Dimension sz = component.getSize();
+ int x = ((containerDimension.width - sz.width) / 2);
+ int y = ((containerDimension.height - sz.height) / 2);
+ component.setLocation(x, y);
+ }
+}
diff --git a/src/demos/util/SystemTime.java b/src/demos/util/SystemTime.java
new file mode 100644
index 0000000..b6a154b
--- /dev/null
+++ b/src/demos/util/SystemTime.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+/** Implementation of {@link demos.util.Time} interface based
+ on {@link java.lang.System.currentTimeMillis}. Performs smoothing
+ internally to avoid effects of poor granularity of
+ currentTimeMillis on Windows platform in particular. */
+
+public class SystemTime implements Time {
+ private static final int DEFAULT_NUM_SMOOTHING_SAMPLES = 10;
+ private long[] samples = new long[DEFAULT_NUM_SMOOTHING_SAMPLES];
+ private int numSmoothingSamples;
+ private int curSmoothingSample; // Index of current sample to be replaced
+ private long baseTime = System.currentTimeMillis();
+ private boolean hasCurTime;
+ private double curTime;
+ private double deltaT;
+
+ /** Sets number of smoothing samples. Defaults to 10. Note that
+ there may be a discontinuity in the reported time after a call
+ to this method. */
+ public void setNumSmoothingSamples(int num) {
+ samples = new long[num];
+ numSmoothingSamples = 0;
+ curSmoothingSample = 0;
+ hasCurTime = false;
+ }
+
+ /** Returns number of smoothing samples; default is 10. */
+ public int getNumSmoothingSamples() {
+ return samples.length;
+ }
+
+ /** Rebases this timer. After very long periods of time the
+ resolution of this timer may decrease; the application can call
+ this to restore higher resolution. Note that there may be a
+ discontinuity in the reported time after a call to this
+ method. */
+ public void rebase() {
+ baseTime = System.currentTimeMillis();
+ setNumSmoothingSamples(samples.length);
+ }
+
+ public void update() {
+ long tmpTime = System.currentTimeMillis();
+ long diffSinceBase = tmpTime - baseTime;
+ samples[curSmoothingSample] = diffSinceBase;
+ curSmoothingSample = (curSmoothingSample + 1) % samples.length;
+ numSmoothingSamples = Math.min(1 + numSmoothingSamples, samples.length);
+ // Average of samples is current time
+ double newCurTime = 0.0;
+ for (int i = 0; i < numSmoothingSamples; i++) {
+ newCurTime += samples[i];
+ }
+ newCurTime /= (1000.0f * numSmoothingSamples);
+ double lastTime = curTime;
+ if (!hasCurTime) {
+ lastTime = newCurTime;
+ hasCurTime = true;
+ }
+ deltaT = newCurTime - lastTime;
+ curTime = newCurTime;
+ }
+
+ public double time() {
+ return curTime;
+ }
+
+ public double deltaT() {
+ return deltaT;
+ }
+}
diff --git a/src/demos/util/Time.java b/src/demos/util/Time.java
new file mode 100644
index 0000000..f3ede1f
--- /dev/null
+++ b/src/demos/util/Time.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+/** Interface abstracting concept of time from applications. */
+
+public interface Time {
+ /** Updates this Time object. Call update() each frame before
+ calling the accessor routines. */
+ public void update();
+ /** Time in seconds since beginning of application. */
+ public double time();
+ /** Time in seconds since last update. */
+ public double deltaT();
+}
diff --git a/src/demos/util/Triceratops.java b/src/demos/util/Triceratops.java
new file mode 100644
index 0000000..ca0221d
--- /dev/null
+++ b/src/demos/util/Triceratops.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package demos.util;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.io.StreamTokenizer;
+import javax.media.opengl.GL;
+import javax.media.opengl.GL2ES1;
+import javax.media.opengl.GL2;
+
+
+
+/** Renders a triceratops. <P>
+
+ Copyright by Thomas Baier (thomas.baier@stmuc.com)<br>
+ Created by OpenGL Export Plugin 1.0 at Fri Oct 27 22:04:55 2000<br>
+ OpenGL-Structure <br><p>
+
+ Ported to Java by Kenneth Russell
+*/
+public class Triceratops {
+
+ /** Draws the triceratops object. Callers should capture the result
+ in a display list. */
+ public static void drawObject(GL2 gl) throws IOException {
+ Reader reader = new BufferedReader(new InputStreamReader(
+ Triceratops.class.getClassLoader().getResourceAsStream("demos/data/models/triceratops.txt")));
+ StreamTokenizer tok = new StreamTokenizer(reader);
+ // Reset tokenizer's syntax so numbers are not parsed
+ tok.resetSyntax();
+ tok.wordChars('a', 'z');
+ tok.wordChars('A', 'Z');
+ tok.wordChars('0', '9');
+ tok.wordChars('-', '-');
+ tok.wordChars('.', '.');
+ tok.wordChars(128 + 32, 255);
+ tok.whitespaceChars(0, ' ');
+ tok.whitespaceChars(',', ',');
+ tok.whitespaceChars('{', '{');
+ tok.whitespaceChars('}', '}');
+ tok.commentChar('/');
+ tok.quoteChar('"');
+ tok.quoteChar('\'');
+ tok.slashSlashComments(true);
+ tok.slashStarComments(true);
+
+ // Read in file
+ int numVertices = nextInt(tok, "number of vertices");
+ float[] vertices = new float[numVertices * 3];
+ for (int i = 0; i < numVertices * 3; i++) {
+ vertices[i] = nextFloat(tok, "vertex");
+ }
+ int numNormals = nextInt(tok, "number of normals");
+ float[] normals = new float[numNormals * 3];
+ for (int i = 0; i < numNormals * 3; i++) {
+ normals[i] = nextFloat(tok, "normal");
+ }
+ int numFaceIndices = nextInt(tok, "number of face indices");
+ short[] faceIndices = new short[numFaceIndices * 9];
+ for (int i = 0; i < numFaceIndices * 9; i++) {
+ faceIndices[i] = (short) nextInt(tok, "face index");
+ }
+
+ reader.close();
+
+ float sf = 0.1f;
+ gl.glBegin(GL2.GL_TRIANGLES);
+ for (int i = 0; i < faceIndices.length; i += 9) {
+ for (int j = 0; j < 3; j++) {
+ int vi = faceIndices[i + j ] & 0xFFFF;
+ int ni = faceIndices[i + j + 3] & 0xFFFF;
+ gl.glNormal3f(normals[3 * ni],
+ normals[3 * ni + 1],
+ normals[3 * ni + 2]);
+ gl.glVertex3f(sf * vertices[3 * vi],
+ sf * vertices[3 * vi + 1],
+ sf * vertices[3 * vi + 2]);
+ }
+ }
+ gl.glEnd();
+ }
+
+ private static int nextInt(StreamTokenizer tok, String error) throws IOException {
+ if (tok.nextToken() != StreamTokenizer.TT_WORD) {
+ throw new IOException("Parse error reading " + error + " at line " + tok.lineno());
+ }
+ try {
+ return Integer.parseInt(tok.sval);
+ } catch (NumberFormatException e) {
+ throw new IOException("Parse error reading " + error + " at line " + tok.lineno());
+ }
+ }
+
+ private static float nextFloat(StreamTokenizer tok, String error) throws IOException {
+ if (tok.nextToken() != StreamTokenizer.TT_WORD) {
+ throw new IOException("Parse error reading " + error + " at line " + tok.lineno());
+ }
+ try {
+ return Float.parseFloat(tok.sval);
+ } catch (NumberFormatException e) {
+ throw new IOException("Parse error reading " + error + " at line " + tok.lineno());
+ }
+ }
+}
--
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