Andrzej Kapolka
39ca0f4ed9
models. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4017 542714f4-19e9-0310-aa3c-eee0fc999fb1
388 lines
13 KiB
Java
388 lines
13 KiB
Java
//
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// $Id$
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//
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// Narya library - tools for developing networked games
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// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/narya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.jme.tools;
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import java.awt.BorderLayout;
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import java.awt.Dimension;
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import java.awt.Point;
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import java.awt.event.ActionEvent;
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import java.awt.event.KeyEvent;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseMotionListener;
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import java.awt.event.MouseWheelEvent;
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import java.awt.event.MouseWheelListener;
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import java.awt.event.WindowAdapter;
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import java.awt.event.WindowEvent;
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import java.io.File;
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import java.io.IOException;
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import java.util.logging.Level;
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import javax.swing.AbstractAction;
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import javax.swing.Action;
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import javax.swing.JFileChooser;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JMenu;
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import javax.swing.JMenuBar;
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import javax.swing.JMenuItem;
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import javax.swing.JPanel;
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import javax.swing.JPopupMenu;
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import javax.swing.KeyStroke;
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import javax.swing.filechooser.FileFilter;
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import com.jme.light.DirectionalLight;
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import com.jme.math.FastMath;
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import com.jme.math.Vector3f;
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import com.jme.renderer.ColorRGBA;
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import com.jme.scene.Line;
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import com.jme.scene.state.LightState;
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import com.jme.scene.state.MaterialState;
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import com.jme.util.LoggingSystem;
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import com.samskivert.swing.GroupLayout;
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import com.samskivert.util.Config;
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import com.threerings.util.MessageBundle;
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import com.threerings.util.MessageManager;
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import com.threerings.jme.JmeCanvasApp;
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import com.threerings.jme.model.Model;
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/**
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* A simple viewer application that allows users to examine models and their
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* animations by loading them from their uncompiled <code>.properties</code> /
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* <code>.xml</code> representations or their compiled <code>.dat</code>
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* representations.
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*/
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public class ModelViewer extends JmeCanvasApp
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{
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public static void main (String[] args)
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{
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new ModelViewer(args.length > 0 ? args[0] : null);
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}
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/**
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* Creates and initializes an instance of the model viewer application.
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*
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* @param path the path of the model to view, or <code>null</code> for
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* none
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*/
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public ModelViewer (String path)
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{
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super(1024, 768);
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_msg = new MessageManager("rsrc.i18n").getBundle("jme.viewer");
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_path = path;
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JPopupMenu.setDefaultLightWeightPopupEnabled(false);
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_frame = new JFrame(_msg.get("m.title"));
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_frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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JMenuBar menu = new JMenuBar();
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_frame.setJMenuBar(menu);
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JMenu file = new JMenu(_msg.get("m.file_menu"));
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menu.add(file);
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Action load = new AbstractAction(_msg.get("m.file_load")) {
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public void actionPerformed (ActionEvent e) {
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showLoadDialog();
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}
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};
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load.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_L);
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load.putValue(Action.ACCELERATOR_KEY,
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KeyStroke.getKeyStroke(KeyEvent.VK_L, KeyEvent.CTRL_MASK));
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file.add(load);
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file.addSeparator();
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Action quit = new AbstractAction(_msg.get("m.file_quit")) {
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public void actionPerformed (ActionEvent e) {
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System.exit(0);
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}
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};
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quit.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_Q);
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quit.putValue(Action.ACCELERATOR_KEY,
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KeyStroke.getKeyStroke(KeyEvent.VK_Q, KeyEvent.CTRL_MASK));
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file.add(quit);
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_frame.getContentPane().add(getCanvas(), BorderLayout.CENTER);
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_controls = GroupLayout.makeVBox(GroupLayout.NONE, GroupLayout.TOP);
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_controls.setPreferredSize(new Dimension(100, 100));
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_frame.getContentPane().add(_controls, BorderLayout.EAST);
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_status = new JLabel(" ");
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_status.setHorizontalAlignment(JLabel.LEFT);
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_frame.getContentPane().add(_status, BorderLayout.SOUTH);
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_frame.pack();
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_frame.setVisible(true);
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LoggingSystem.getLoggingSystem().setLevel(Level.WARNING);
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run();
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}
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@Override // documentation inherited
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public boolean init ()
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{
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if (!super.init()) {
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return false;
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}
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if (_path != null) {
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loadModel(new File(_path));
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}
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return true;
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}
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@Override // documentation inherited
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protected void initInput ()
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{
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super.initInput();
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_camhand.setTiltLimits(FastMath.PI / 16.0f, FastMath.PI * 7.0f / 16.0f);
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_camhand.setZoomLimits(1f, 100f);
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_camhand.tiltCamera(-FastMath.PI * 7.0f / 16.0f);
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MouseOrbiter orbiter = new MouseOrbiter();
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_canvas.addMouseListener(orbiter);
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_canvas.addMouseMotionListener(orbiter);
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_canvas.addMouseWheelListener(orbiter);
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}
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@Override // documentation inherited
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protected void initRoot ()
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{
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super.initRoot();
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// set a default material
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MaterialState mstate = _ctx.getRenderer().createMaterialState();
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mstate.getDiffuse().set(ColorRGBA.white);
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mstate.getAmbient().set(ColorRGBA.white);
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_ctx.getGeometry().setRenderState(mstate);
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// create a grid on the XY plane to provide some reference
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Vector3f[] points = new Vector3f[GRID_SIZE*2 + GRID_SIZE*2];
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float halfLength = (GRID_SIZE - 1) * GRID_SPACING / 2;
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int idx = 0;
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for (int xx = 0; xx < GRID_SIZE; xx++) {
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points[idx++] = new Vector3f(
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-halfLength + xx*GRID_SPACING, -halfLength, 0f);
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points[idx++] = new Vector3f(
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-halfLength + xx*GRID_SPACING, +halfLength, 0f);
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}
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for (int yy = 0; yy < GRID_SIZE; yy++) {
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points[idx++] = new Vector3f(
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-halfLength, -halfLength + yy*GRID_SPACING, 0f);
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points[idx++] = new Vector3f(
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+halfLength, -halfLength + yy*GRID_SPACING, 0f);
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}
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Line grid = new Line("grid", points, null, null, null);
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grid.getDefaultColor().set(0.25f, 0.25f, 0.25f, 1f);
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grid.setLightCombineMode(LightState.OFF);
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_ctx.getGeometry().attachChild(grid);
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grid.updateRenderState();
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}
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@Override // documentation inherited
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protected void initLighting ()
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{
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DirectionalLight dlight = new DirectionalLight();
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dlight.setEnabled(true);
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dlight.getDirection().set(-1f, 0f, -1f).normalizeLocal();
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dlight.getAmbient().set(0.25f, 0.25f, 0.25f, 1f);
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LightState lstate = _ctx.getRenderer().createLightState();
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lstate.attach(dlight);
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_ctx.getGeometry().setRenderState(lstate);
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_ctx.getGeometry().setLightCombineMode(LightState.REPLACE);
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}
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/**
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* Shows the load model dialog.
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*/
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protected void showLoadDialog ()
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{
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if (_chooser == null) {
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_chooser = new JFileChooser();
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_chooser.setDialogTitle(_msg.get("m.load_title"));
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_chooser.setFileFilter(new FileFilter() {
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public boolean accept (File file) {
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if (file.isDirectory()) {
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return true;
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}
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String path = file.toString();
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return path.endsWith(".properties") ||
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path.endsWith(".dat");
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}
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public String getDescription () {
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return _msg.get("m.load_filter");
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}
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});
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File dir = new File(_config.getValue("dir", "."));
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if (dir.exists()) {
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_chooser.setCurrentDirectory(dir);
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}
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}
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if (_chooser.showOpenDialog(_frame) == JFileChooser.APPROVE_OPTION) {
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loadModel(_chooser.getSelectedFile());
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}
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_config.setValue("dir", _chooser.getCurrentDirectory().toString());
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}
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/**
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* Attempts to load a model from the specified location.
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*/
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protected void loadModel (File file)
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{
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String fpath = file.toString();
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try {
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if (fpath.endsWith(".properties")) {
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compileModel(file);
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} else if (fpath.endsWith(".dat")) {
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loadCompiledModel(file);
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} else {
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throw new Exception(_msg.get("m.invalid_type"));
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}
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_status.setText(_msg.get("m.loaded_model", fpath));
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} catch (Exception e) {
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e.printStackTrace();
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_status.setText(_msg.get("m.load_error", fpath, e));
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}
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}
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/**
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* Attempts to compile and load a model.
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*/
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protected void compileModel (File file)
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throws Exception
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{
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_status.setText(_msg.get("m.compiling_model", file));
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Model model = CompileModelTask.compileModel(file);
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if (model != null) {
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setModel(model);
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return;
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}
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// if compileModel returned null, the .dat file is up-to-date
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String fpath = file.toString();
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int didx = fpath.lastIndexOf('.');
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fpath = (didx == -1) ? fpath : fpath.substring(0, didx);
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loadCompiledModel(new File(fpath + ".dat"));
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}
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/**
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* Attempts to load a model that has already been compiled.
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*/
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protected void loadCompiledModel (File file)
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throws IOException
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{
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_status.setText(_msg.get("m.loading_model", file));
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setModel(Model.readFromFile(file, false));
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}
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/**
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* Sets the model once it's been loaded.
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*/
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protected void setModel (Model model)
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{
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if (_model != null) {
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_ctx.getGeometry().detachChild(_model);
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}
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_ctx.getGeometry().attachChild(_model = model);
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_model.setLocalScale(0.04f);
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_model.updateRenderState();
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}
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/** The translation bundle. */
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protected MessageBundle _msg;
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/** The path of the initial model to load. */
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protected String _path;
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/** The viewer frame. */
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protected JFrame _frame;
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/** The control panel. */
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protected JPanel _controls;
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/** The status bar. */
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protected JLabel _status;
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/** The model file chooser. */
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protected JFileChooser _chooser;
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/** The currently loaded model. */
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protected Model _model;
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/** Moves the camera using mouse input. */
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protected class MouseOrbiter extends MouseAdapter
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implements MouseMotionListener, MouseWheelListener
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{
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@Override // documentation inherited
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public void mousePressed (MouseEvent e)
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{
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_mloc.setLocation(e.getX(), e.getY());
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}
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// documentation inherited from interface MouseMotionListener
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public void mouseMoved (MouseEvent e)
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{
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}
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// documentation inherited from interface MouseMotionListener
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public void mouseDragged (MouseEvent e)
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{
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int dx = e.getX() - _mloc.x, dy = e.getY() - _mloc.y;
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_mloc.setLocation(e.getX(), e.getY());
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if ((e.getModifiers() & MouseEvent.BUTTON1_MASK) != 0) {
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_camhand.tiltCamera(dy * FastMath.PI / 1000);
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_camhand.orbitCamera(-dx * FastMath.PI / 1000);
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} else {
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_camhand.zoomCamera(dy);
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}
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}
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// documentation inherited from interface MouseWheelListener
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public void mouseWheelMoved (MouseWheelEvent e)
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{
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_camhand.zoomCamera(e.getWheelRotation() * 10f);
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}
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/** The last recorded position of the mouse cursor. */
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protected Point _mloc = new Point();
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}
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/** The app configuration. */
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protected static Config _config =
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new Config("com/threerings/jme/tools/ModelViewer");
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/** The number of lines on the grid in each direction. */
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protected static final int GRID_SIZE = 32;
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/** The spacing between lines on the grid. */
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protected static final float GRID_SPACING = 2.5f;
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}
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