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-rw-r--r--src/CgShaderTest/ObjLoadCg.java343
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diff --git a/src/CgShaderTest/ObjLoadCg.java b/src/CgShaderTest/ObjLoadCg.java
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--- a/src/CgShaderTest/ObjLoadCg.java
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-/*
- * $RCSfile$
- *
- * Copyright (c) 2006 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, licensed or
- * intended for use in the design, construction, operation or
- * maintenance of any nuclear facility.
- *
- * $Revision$
- * $Date$
- * $State$
- */
-
-import com.sun.j3d.loaders.objectfile.ObjectFile;
-import com.sun.j3d.loaders.ParsingErrorException;
-import com.sun.j3d.loaders.IncorrectFormatException;
-import com.sun.j3d.loaders.Scene;
-import com.sun.j3d.utils.shader.StringIO;
-import java.applet.Applet;
-import java.awt.*;
-import java.awt.event.*;
-import com.sun.j3d.utils.applet.MainFrame;
-import com.sun.j3d.utils.universe.*;
-import javax.media.j3d.*;
-import javax.vecmath.*;
-import java.util.Enumeration;
-import java.io.*;
-import com.sun.j3d.utils.behaviors.vp.*;
-import java.net.URL;
-import java.net.MalformedURLException;
-
-public class ObjLoadCg extends Applet {
-
- private boolean spin = false;
- private boolean noTriangulate = false;
- private boolean noStripify = false;
- private double creaseAngle = 60.0;
- private URL filename = null;
- private SimpleUniverse u;
- private BoundingSphere bounds;
-
- public BranchGroup createSceneGraph() {
- // Create the root of the branch graph
- BranchGroup objRoot = new BranchGroup();
-
- // Create a Transformgroup to scale all objects so they
- // appear in the scene.
- TransformGroup objScale = new TransformGroup();
- Transform3D t3d = new Transform3D();
- t3d.setScale(0.7);
- objScale.setTransform(t3d);
- objRoot.addChild(objScale);
-
- // Create the transform group node and initialize it to the
- // identity. Enable the TRANSFORM_WRITE capability so that
- // our behavior code can modify it at runtime. Add it to the
- // root of the subgraph.
- TransformGroup objTrans = new TransformGroup();
- objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
- objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
- objScale.addChild(objTrans);
-
- int flags = ObjectFile.RESIZE;
- if (!noTriangulate) flags |= ObjectFile.TRIANGULATE;
- if (!noStripify) flags |= ObjectFile.STRIPIFY;
- ObjectFile f = new ObjectFile(flags,
- (float)(creaseAngle * Math.PI / 180.0));
- Scene s = null;
- try {
- s = f.load(filename);
- }
- catch (FileNotFoundException e) {
- e.printStackTrace();
- System.exit(1);
- }
- catch (ParsingErrorException e) {
- e.printStackTrace();
- System.exit(1);
- }
- catch (IncorrectFormatException e) {
- e.printStackTrace();
- System.exit(1);
- }
-
- // Set vertex and fragment shader program for all Shape3D nodes in scene
- String vertexProgram = null;
- String fragmentProgram = null;
- try {
- vertexProgram = StringIO.readFully("./simple_vp.cg");
- fragmentProgram = StringIO.readFully("./simple_fp.cg");
- }
- catch (IOException e) {
- e.printStackTrace();
- System.exit(1);
- }
- Shader[] shaders = new Shader[2];
- shaders[0] = new SourceCodeShader(Shader.SHADING_LANGUAGE_CG,
- Shader.SHADER_TYPE_VERTEX,
- vertexProgram);
- shaders[1] = new SourceCodeShader(Shader.SHADING_LANGUAGE_CG,
- Shader.SHADER_TYPE_FRAGMENT,
- fragmentProgram);
- ShaderProgram shaderProgram = new CgShaderProgram();
- shaderProgram.setShaders(shaders);
- setShaderProgram(s.getSceneGroup(), shaderProgram);
-
- objTrans.addChild(s.getSceneGroup());
-
- bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
-
- if (spin) {
- Transform3D yAxis = new Transform3D();
- Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
- 0, 0,
- 4000, 0, 0,
- 0, 0, 0);
-
- RotationInterpolator rotator =
- new RotationInterpolator(rotationAlpha, objTrans, yAxis,
- 0.0f, (float) Math.PI*2.0f);
- rotator.setSchedulingBounds(bounds);
- objTrans.addChild(rotator);
- }
-
- // Set up the background
- Color3f bgColor = new Color3f(0.05f, 0.05f, 0.5f);
- Background bgNode = new Background(bgColor);
- bgNode.setApplicationBounds(bounds);
- objRoot.addChild(bgNode);
-
- return objRoot;
- }
-
- private void usage()
- {
- System.out.println(
- "Usage: java ObjLoadCg [-s] [-n] [-t] [-c degrees] <.obj file>");
- System.out.println(" -s Spin (no user interaction)");
- System.out.println(" -n No triangulation");
- System.out.println(" -t No stripification");
- System.out.println(
- " -c Set crease angle for normal generation (default is 60 without");
- System.out.println(
- " smoothing group info, otherwise 180 within smoothing groups)");
- System.exit(0);
- } // End of usage
-
-
-
- public void init() {
- if (filename == null) {
- // Applet
- try {
- URL path = getCodeBase();
- filename = new URL(path.toString() + "./galleon.obj");
- }
- catch (MalformedURLException e) {
- System.err.println(e);
- System.exit(1);
- }
- }
-
- setLayout(new BorderLayout());
- GraphicsConfiguration config =
- SimpleUniverse.getPreferredConfiguration();
-
- Canvas3D c = new Canvas3D(config);
- add("Center", c);
-
- // Create a simple scene and attach it to the virtual universe
- BranchGroup scene = createSceneGraph();
- u = new SimpleUniverse(c);
-
- // add mouse behaviors to the ViewingPlatform
- ViewingPlatform viewingPlatform = u.getViewingPlatform();
-
- PlatformGeometry pg = new PlatformGeometry();
-
- // Set up the ambient light
- Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f);
- AmbientLight ambientLightNode = new AmbientLight(ambientColor);
- ambientLightNode.setInfluencingBounds(bounds);
- pg.addChild(ambientLightNode);
-
- // Set up the directional lights
- Color3f light1Color = new Color3f(1.0f, 0.2f, 0.4f);
- Vector3f light1Direction = new Vector3f(-1.0f, -1.0f, -1.0f);
- Color3f light2Color = new Color3f(1.0f, 1.0f, 0.9f);
- Vector3f light2Direction = new Vector3f(1.0f, 1.0f, 1.0f);
-
- DirectionalLight light1
- = new DirectionalLight(light1Color, light1Direction);
- light1.setInfluencingBounds(bounds);
- pg.addChild(light1);
-
- DirectionalLight light2
- = new DirectionalLight(light2Color, light2Direction);
- light2.setInfluencingBounds(bounds);
- pg.addChild(light2);
-
- viewingPlatform.setPlatformGeometry( pg );
-
- // This will move the ViewPlatform back a bit so the
- // objects in the scene can be viewed.
- viewingPlatform.setNominalViewingTransform();
-
- if (!spin) {
- OrbitBehavior orbit = new OrbitBehavior(c,
- OrbitBehavior.REVERSE_ALL);
- BoundingSphere bounds =
- new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
- orbit.setSchedulingBounds(bounds);
- viewingPlatform.setViewPlatformBehavior(orbit);
- }
-
- /*
- // Limit the frame rate to 100 Hz
- u.getViewer().getView().setMinimumFrameCycleTime(10);
- */
-
- u.addBranchGraph(scene);
- }
-
- // Set shader program for all nodes in specified branch graph
- private void setShaderProgram(BranchGroup g, ShaderProgram shaderProgram) {
- ShaderAppearance myApp = new ShaderAppearance();
- Material mat = new Material();
- Texture2D tex2d = new Texture2D();
- myApp.setCapability(Appearance.ALLOW_TEXTURE_WRITE);
- myApp.setShaderProgram(shaderProgram);
- myApp.setMaterial(mat);
- myApp.setTexture(tex2d);
- setShaderProgram(g, myApp);
- }
-
- // Recursively set shader program for all children of specified group
- private void setShaderProgram(Group g,
- ShaderAppearance myApp) {
-
- Enumeration e = g.getAllChildren();
- while (e.hasMoreElements()) {
- Node n = (Node)(e.nextElement());
- if (n instanceof Group) {
- setShaderProgram((Group)n, myApp);
- }
- else if (n instanceof Shape3D) {
- Shape3D s = (Shape3D)n;
- s.setAppearance(myApp);
- }
- }
- }
-
- // Caled if running as a program
- public ObjLoadCg(String[] args) {
- if (args.length != 0) {
- for (int i = 0 ; i < args.length ; i++) {
- if (args[i].startsWith("-")) {
- if (args[i].equals("-s")) {
- spin = true;
- } else if (args[i].equals("-n")) {
- noTriangulate = true;
- } else if (args[i].equals("-t")) {
- noStripify = true;
- } else if (args[i].equals("-c")) {
- if (i < args.length - 1) {
- creaseAngle = (new Double(args[++i])).doubleValue();
- } else usage();
- } else {
- usage();
- }
- } else {
- try {
- if ((args[i].indexOf("file:") == 0) ||
- (args[i].indexOf("http") == 0)) {
- filename = new URL(args[i]);
- }
- else if (args[i].charAt(0) != '/') {
- filename = new URL("file:./" + args[i]);
- }
- else {
- filename = new URL("file:" + args[i]);
- }
- }
- catch (MalformedURLException e) {
- System.err.println(e);
- System.exit(1);
- }
- }
- }
- }
- }
-
-
-
- // Running as an applet
- public ObjLoadCg() {
- }
-
- public void destroy() {
- u.cleanup();
- }
-
-
-
- //
- // The following allows ObjLoadCg to be run as an application
- // as well as an applet
- //
- public static void main(String[] args) {
- new MainFrame(new ObjLoadCg(args), 700, 700);
- }
-}
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