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Diffstat (limited to 'src/GLSLShaderTest/ObjLoadGLSL.java')
| -rw-r--r-- | src/GLSLShaderTest/ObjLoadGLSL.java | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/src/GLSLShaderTest/ObjLoadGLSL.java b/src/GLSLShaderTest/ObjLoadGLSL.java new file mode 100644 index 0000000..3abfbae --- /dev/null +++ b/src/GLSLShaderTest/ObjLoadGLSL.java @@ -0,0 +1,343 @@ +/* + * $RCSfile$ + * + * 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, 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 ObjLoadGLSL 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.vert"); + fragmentProgram = StringIO.readFully("./simple.frag"); + } + catch (IOException e) { + e.printStackTrace(); + System.exit(1); + } + Shader[] shaders = new Shader[2]; + shaders[0] = new SourceCodeShader(Shader.SHADING_LANGUAGE_GLSL, + Shader.SHADER_TYPE_VERTEX, + vertexProgram); + shaders[1] = new SourceCodeShader(Shader.SHADING_LANGUAGE_GLSL, + Shader.SHADER_TYPE_FRAGMENT, + fragmentProgram); + ShaderProgram shaderProgram = new GLSLShaderProgram(); + 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 ObjLoadGLSL [-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 ObjLoadGLSL(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 ObjLoadGLSL() { + } + + public void destroy() { + u.cleanup(); + } + + + + // + // The following allows ObjLoadGLSL to be run as an application + // as well as an applet + // + public static void main(String[] args) { + new MainFrame(new ObjLoadGLSL(args), 700, 700); + } +} |