/* * 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 com.jogamp.opengl.*; /** Renders a bunny.
This file was produced by 3D Exploration Plugin: CPP Export filter.
3D Exploration
Copyright (c) 1999-2000 X Dimension Software
WWW http://www.xdsoft.com/explorer/
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());
}
}
}