root / trunk / code / projects / colonet / ColonetGUI / Colonet.java @ 172
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// Colonet.java
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//
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import javax.swing.*; |
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import javax.swing.event.*; |
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import java.awt.*; |
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import java.awt.image.*; |
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import java.awt.event.*; |
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import java.net.*; |
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import java.io.*; |
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import java.util.Random; |
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import java.applet.*; |
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public class Colonet extends JApplet implements ActionListener, MouseInputListener, Runnable { |
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|
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final int CANVAS_SIZE = 500; //the applet may be slow if the canvas gets too large |
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final int BUFFER = 50; |
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final int RADIUS = 30; |
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// Connection
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JTextField txtHost;
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JTextField txtPort;
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JButton btnConnect;
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JButton btnGraph;
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JLabel lblConnectionStatus;
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JTextArea txtMatrix;
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JTextArea txtInfo;
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JPanel panelConnect;
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JPanel panelServerInterface;
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// Stats
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JLabel lblBattery;
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JLabel lblTokenPasses;
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JLabel lblHastToken;
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JPanel panelStats;
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// South
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JPanel panelSouth;
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JTextArea log;
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JScrollPane spLog;
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// Control
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JPanel panelControl;
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JTabbedPane tabPaneControl;
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JPanel panelRobotControl;
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JPanel panelRobotDirection;
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JPanel panelRobotDirectionButtons;
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JPanel panelRobotCommands;
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JButton btnF, btnB, btnL, btnR, btnActivate;
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JComboBox cmbRobotNum;
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VectorController vectorController; |
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BufferedImage imageVectorControl;
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JButton btnCommand_StopTask;
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JButton btnCommand_ResumeTask;
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JButton btnCommand_ChargeNow;
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JButton btnCommand_StopCharging;
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// Task Manager
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JPanel panelTaskManager;
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JScrollPane spTaskManager;
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JPanel panelTaskManagerControls;
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JPanel panelTaskManagerControlsPriority;
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DefaultListModel taskListModel;
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JList taskList;
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JButton btnAddTask;
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JButton btnRemoveTask;
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JButton btnMoveTaskUp;
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JButton btnMoveTaskDown;
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JButton btnUpdateTasks;
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TaskAddWindow taskAddWindow; |
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// Graphics
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ImagePanel panel; |
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GraphicsConfiguration gc;
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volatile BufferedImage image; |
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volatile Graphics2D canvas; |
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int cx, cy;
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Socket socket;
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OutputStreamWriter out;
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DataUpdater dataUpdater; |
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Font botFont;
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Random random = new Random(); |
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volatile int tokenLoc; //the token is currently here |
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volatile int numBots; |
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volatile int selectedBot; //the user has selected this bot |
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volatile Rectangle[] botRect; //contains boundary shapes around bots for click detection |
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volatile int[] xbeeID; |
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|
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Thread drawThread;
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Simulator simulator; |
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SelectionIndicator indicator; |
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PacketMonitor packetMonitor; |
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ColonetServerInterface csi; |
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public void init () { |
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// set the default look and feel - choose one
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//String laf = UIManager.getSystemLookAndFeelClassName();
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String laf = UIManager.getCrossPlatformLookAndFeelClassName(); |
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//String laf = "com.sun.java.swing.plaf.motif.MotifLookAndFeel";
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try {
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UIManager.setLookAndFeel(laf);
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} catch (UnsupportedLookAndFeelException exc) { |
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System.err.println ("Warning: UnsupportedLookAndFeel: " + laf); |
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} catch (Exception exc) { |
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System.err.println ("Error loading " + laf + ": " + exc); |
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} |
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// We should invoke and wait to avoid browser display difficulties
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Runnable r = new Runnable() { |
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public void run() { |
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createAndShowGUI(); |
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} |
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}; |
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try {
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SwingUtilities.invokeAndWait(r);
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} catch (InterruptedException e) { |
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//Not really sure why we would be in this situation
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System.out.println(e);
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} catch (java.lang.reflect.InvocationTargetException e) {
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//This could happen for various reasons if there is a problem in createAndShowGUI
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e.printStackTrace(); |
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} |
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} |
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public void destroy () { |
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try { drawThread.interrupt(); } catch (Exception e) { } |
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try { indicator.interrupt(); } catch (Exception e) { } |
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try { packetMonitor.interrupt(); } catch (Exception e) { } |
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} |
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private synchronized void createAndShowGUI () { |
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// init graphical elements
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// Get the graphics configuration of the screen to create a buffer
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gc = GraphicsEnvironment.getLocalGraphicsEnvironment()
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.getDefaultScreenDevice().getDefaultConfiguration(); |
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image = gc.createCompatibleImage(CANVAS_SIZE,CANVAS_SIZE); |
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canvas = image.createGraphics(); |
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canvas.setStroke(new BasicStroke(2)); //set pen width |
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panel = new ImagePanel(false, image); //set automatic double-buffering to false. we are doing it manually. |
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// Calculate center of canvas
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cx = image.getWidth() / 2;
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cy = image.getHeight() / 2;
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botFont = new Font("Arial", Font.PLAIN, 14); |
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tokenLoc = 0;
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numBots = 0;
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selectedBot = 0;
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// Connection area
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txtMatrix = new JTextArea(); |
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txtMatrix.setBorder(BorderFactory.createTitledBorder("Input Matrix")); |
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txtInfo = new JTextArea(); |
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txtInfo.setBorder(BorderFactory.createTitledBorder("Info")); |
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txtInfo.setEditable(false);
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btnGraph = new JButton("Run"); |
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txtHost = new JTextField("roboclub9.frc.ri.cmu.edu"); |
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txtHost.setBorder(BorderFactory.createTitledBorder("Host")); |
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txtPort = new JTextField("10123"); |
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txtPort.setBorder(BorderFactory.createTitledBorder("Port")); |
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btnConnect = new JButton("Connect"); |
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lblConnectionStatus = new JLabel("Status: Offline"); |
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panelConnect = new JPanel(); |
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panelConnect.setLayout(new GridLayout(6,1)); |
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panelConnect.add(lblConnectionStatus); |
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panelConnect.add(txtHost); |
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panelConnect.add(txtPort); |
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panelConnect.add(btnConnect); |
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panelConnect.add(txtInfo); |
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panelConnect.add(btnGraph); |
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panelServerInterface = new JPanel(); |
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panelServerInterface.setLayout(new GridLayout(2,1)); |
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panelServerInterface.add(panelConnect); |
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panelServerInterface.add(txtMatrix); |
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// Status Elements
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lblTokenPasses = new JLabel(); |
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lblBattery = new JLabel("???"); |
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panelStats = new JPanel(); |
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panelStats.setLayout(new GridLayout(4,2)); |
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panelStats.add(new JLabel("Token Passes / sec ")); |
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panelStats.add(lblTokenPasses); |
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panelStats.add(new JLabel("Battery ")); |
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panelStats.add(lblBattery); |
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panelStats.add(new JLabel("Token Passes / sec ")); |
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panelStats.add(lblTokenPasses); |
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//TODO: add panelStats somewhere?
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// Robot direction panel
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panelRobotDirection = new JPanel(); |
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panelRobotDirectionButtons = new JPanel(); |
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btnF = new JButton("^"); |
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btnB = new JButton("v"); |
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btnL = new JButton("<"); |
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btnR = new JButton(">"); |
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btnActivate = new JButton("o"); |
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panelRobotDirectionButtons.setLayout(new GridLayout(1,5)); |
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panelRobotDirectionButtons.add(btnActivate); |
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panelRobotDirectionButtons.add(btnF); |
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panelRobotDirectionButtons.add(btnB); |
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panelRobotDirectionButtons.add(btnL); |
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panelRobotDirectionButtons.add(btnR); |
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imageVectorControl = gc.createCompatibleImage(395, 220); |
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vectorController = new VectorController(imageVectorControl);
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panelRobotDirection.setLayout(new BorderLayout()); |
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panelRobotDirection.add(vectorController, BorderLayout.CENTER);
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panelRobotDirection.add(panelRobotDirectionButtons, BorderLayout.SOUTH);
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// Robot Control and Commands
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panelRobotCommands = new JPanel(); |
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panelRobotCommands.setLayout(new GridLayout(5,2)); |
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cmbRobotNum = new JComboBox(); |
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btnCommand_StopTask = new JButton("Stop Current Task"); |
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btnCommand_ResumeTask = new JButton("Resume Current Task"); |
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btnCommand_ChargeNow = new JButton("Recharge Now"); |
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btnCommand_StopCharging = new JButton("Stop Recharging"); |
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panelRobotCommands.add(new JLabel("Select Robot to Control: ")); |
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panelRobotCommands.add(cmbRobotNum); |
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panelRobotCommands.add(btnCommand_StopTask); |
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panelRobotCommands.add(btnCommand_ResumeTask); |
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panelRobotCommands.add(btnCommand_ChargeNow); |
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panelRobotCommands.add(btnCommand_StopCharging); |
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panelRobotControl = new JPanel(); |
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panelRobotControl.setLayout(new GridLayout(2,1)); |
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panelRobotControl.add(panelRobotDirection); |
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panelRobotControl.add(panelRobotCommands); |
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// Task Manager
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panelTaskManager = new JPanel(); |
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panelTaskManager.setLayout(new BorderLayout()); |
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taskListModel = new DefaultListModel(); |
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taskList = new JList(taskListModel); |
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taskList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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taskList.setSelectedIndex(0);
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spTaskManager = new JScrollPane(taskList); |
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panelTaskManagerControls = new JPanel(); |
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panelTaskManagerControls.setLayout(new GridLayout(1,4)); |
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panelTaskManagerControlsPriority = new JPanel(); |
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panelTaskManagerControlsPriority.setLayout(new GridLayout(1,2)); |
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btnAddTask = new JButton("Add..."); |
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btnRemoveTask = new JButton("Remove"); |
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btnMoveTaskUp = new JButton("^"); |
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btnMoveTaskDown = new JButton("v"); |
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btnUpdateTasks = new JButton("Update"); |
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panelTaskManagerControlsPriority.add(btnMoveTaskUp); |
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panelTaskManagerControlsPriority.add(btnMoveTaskDown); |
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panelTaskManagerControls.add(btnAddTask); |
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panelTaskManagerControls.add(btnRemoveTask); |
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panelTaskManagerControls.add(btnUpdateTasks); |
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panelTaskManagerControls.add(panelTaskManagerControlsPriority); |
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panelTaskManager.add(spTaskManager, BorderLayout.CENTER);
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panelTaskManager.add(panelTaskManagerControls, BorderLayout.SOUTH);
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panelTaskManager.add(new JLabel("Current Task Queue"), BorderLayout.NORTH); |
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// Task Manager Add Window
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taskAddWindow = new TaskAddWindow();
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// Message log
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log = new JTextArea(); |
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spLog = new JScrollPane(log, |
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ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
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ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
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spLog.setBorder(BorderFactory.createTitledBorder("Log")); |
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spLog.setPreferredSize(new Dimension(0, 150)); |
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log.setEditable(false);
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// Main control mechanism
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panelControl = new JPanel(); |
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panelControl.setLayout(new GridLayout(1,1)); |
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tabPaneControl = new JTabbedPane(JTabbedPane.TOP); |
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tabPaneControl.setPreferredSize(new Dimension(400, 0)); |
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tabPaneControl.addTab("Connection", panelServerInterface);
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tabPaneControl.addTab("Robots", panelRobotControl);
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tabPaneControl.addTab("Tasks", panelTaskManager);
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panelControl.add(tabPaneControl); |
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// Set up elements in the south
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panelSouth = new JPanel(); |
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panelSouth.setLayout(new GridLayout(1,2)); |
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panelSouth.add(spLog); |
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this.getContentPane().setLayout(new BorderLayout()); |
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this.getContentPane().add(panel, BorderLayout.CENTER); |
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this.getContentPane().add(panelSouth, BorderLayout.SOUTH); |
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this.getContentPane().add(panelControl, BorderLayout.EAST); |
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this.setVisible(true); |
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/* Add all listeners here */
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// Task Management
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btnAddTask.addActionListener(this);
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btnRemoveTask.addActionListener(this);
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btnMoveTaskUp.addActionListener(this);
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btnMoveTaskDown.addActionListener(this);
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btnUpdateTasks.addActionListener(this);
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// Robot Control
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btnF.addActionListener(this);
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btnB.addActionListener(this);
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btnL.addActionListener(this);
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btnR.addActionListener(this);
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btnActivate.addActionListener(this);
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vectorController.addMouseMotionListener(this);
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vectorController.addMouseListener(this);
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btnCommand_StopTask.addActionListener(this);
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btnCommand_ResumeTask.addActionListener(this);
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btnCommand_ChargeNow.addActionListener(this);
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btnCommand_StopCharging.addActionListener(this);
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// Other
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btnGraph.addActionListener(this);
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btnConnect.addActionListener(this);
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panel.addMouseListener(this);
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this.addMouseMotionListener(this); |
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// Set up dependent threads
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indicator = new SelectionIndicator(canvas);
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indicator.setRadius(RADIUS+3, 15); //a tad more than the bot radius |
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packetMonitor = new PacketMonitor();
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simulator = new Simulator();
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csi = new ColonetServerInterface(this); |
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} |
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public synchronized void paint (Graphics g) { |
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/* Redraw the graphical components in the applet.
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This paint method overrides the built-in paint of the
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JApplet, and we don't want to deal with redrawing the
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components manually. Fuck that shit. */
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step(); |
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super.paint(g);
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} |
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public synchronized void update (Graphics g) { |
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paint(g); |
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} |
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public void actionPerformed (ActionEvent e) { |
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Object source = e.getSource();
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if (source == btnGraph) {
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btnGraph.setEnabled(false);
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//Start dependent threads
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drawThread = new Thread(this, "drawThread"); |
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drawThread.start(); |
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indicator.start(); |
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packetMonitor.start(); |
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simulator.start(); |
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} else if (source == btnConnect) { |
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csi.connect(txtHost.getText(), txtPort.getText()); |
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dataUpdater = new DataUpdater();
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dataUpdater.start(); |
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} |
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// Robot Movement Controls
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else if (source == btnF) { |
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vectorController.setMaxForward(); |
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vectorController.sendToServer(); |
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} else if (source == btnB) { |
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vectorController.setMaxReverse(); |
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vectorController.sendToServer(); |
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} else if (source == btnL) { |
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vectorController.setMaxLeft(); |
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vectorController.sendToServer(); |
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} else if (source == btnR) { |
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vectorController.setMaxRight(); |
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vectorController.sendToServer(); |
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} else if (source == btnActivate) { |
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vectorController.setZero(); |
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vectorController.sendToServer(); |
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} |
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// Robot Commands (non-movement)
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else if (source == btnCommand_StopTask) { |
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} else if (source == btnCommand_ResumeTask) { |
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} else if (source == btnCommand_ChargeNow) { |
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} else if (source == btnCommand_StopCharging) { |
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} |
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// Queue Management
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else if (source == btnAddTask) { |
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taskAddWindow.prompt(); |
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} else if (source == btnRemoveTask) { |
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if (taskList.getSelectedIndex() >= 0); |
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csi.sendQueueRemove(taskList.getSelectedIndex()); |
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csi.sendQueueUpdate(); |
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} else if (source == btnMoveTaskUp) { |
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csi.sendQueueReorder(taskList.getSelectedIndex(), taskList.getSelectedIndex() - 1);
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csi.sendQueueUpdate(); |
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} else if (source == btnMoveTaskDown) { |
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csi.sendQueueReorder(taskList.getSelectedIndex(), taskList.getSelectedIndex() + 1);
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csi.sendQueueUpdate(); |
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} else if (source == btnUpdateTasks) { |
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csi.sendQueueUpdate(); |
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} |
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} |
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|
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private void randomize () { |
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Random r = new Random(); |
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StringBuilder s = new StringBuilder(); |
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int count = r.nextInt(8) + 1; |
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for (int i = 0; i < count; i++) { |
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for (int j = 0; j < count; j++) { |
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if (r.nextBoolean())
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s.append("" + (r.nextInt(16) + 1)); |
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else
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s.append("-");
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if (j != count-1) |
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s.append(" ");
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} |
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if (i != count-1) s.append("\n"); |
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} |
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txtMatrix.setText(s.toString()); |
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} |
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|
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public void drawRobot (int id, int x, int y) { |
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//save the bot in memory, so we can tell if we click on it later
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botRect[id] = new Rectangle(x-RADIUS, y-RADIUS, 2*RADIUS, 2*RADIUS); |
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|
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//draw the bot on the canvas
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canvas.setColor(Color.BLACK);
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canvas.drawOval(x-RADIUS, y-RADIUS, RADIUS*2, RADIUS*2); |
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|
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//draw the label
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canvas.setFont(botFont); |
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try {
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canvas.drawString("" + xbeeID[id], x-20, y+2); |
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} catch (Exception e) { |
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canvas.drawString("???", x-22, y+2); |
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} |
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} |
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|
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public void drawConnection (int start, int end, int radius, Color color) { |
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final int ARROW_LENGTH = 18; |
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|
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double angle = 2.0 * Math.PI / numBots; |
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int startx, starty, endx, endy;
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startx = cx - (int)(radius * Math.cos(start * angle)); |
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starty = cy - (int)(radius * Math.sin(start * angle)); |
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endx = cx - (int)(radius * Math.cos(end * angle)); |
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endy = cy - (int)(radius * Math.sin(end * angle)); |
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canvas.setColor(color); |
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canvas.drawLine(startx, starty, endx, endy); |
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|
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//create arrow
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if (color.equals(Color.BLACK)) return; |
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int big_dy = starty - endy;
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int big_dx = endx - startx;
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double theta = 0; |
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if (big_dx == 0 && starty > endy) //pointing up |
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theta = Math.PI/2; |
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else if (big_dx == 0 && starty < endy) //pointing down |
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theta = 3*Math.PI/2; |
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else if (big_dy == 0 && startx > endx) //pointing left |
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theta = Math.PI;
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else if (big_dy == 0 && startx < endx) //pointing right |
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theta = 0;
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else
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theta = Math.atan(1.0 * big_dy / big_dx); |
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|
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//create ploygon
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Polygon poly = new Polygon(); |
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int dx_arrow = Math.abs((int)(ARROW_LENGTH * Math.cos(theta))); |
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int dy_arrow = Math.abs((int)(ARROW_LENGTH * Math.sin(theta))); |
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int dy_half = (int)(ARROW_LENGTH/2 * Math.cos(theta)); |
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int dx_half = (int)(ARROW_LENGTH/2 * Math.sin(theta)); |
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int rx = (big_dx > 0) ? endx - dx_arrow : endx + dx_arrow; |
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int ry = (big_dy > 0) ? endy + dy_arrow : endy - dy_arrow; |
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poly.addPoint(endx, endy); |
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poly.addPoint(rx - dx_half, ry - dy_half); |
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poly.addPoint(rx + dx_half, ry + dy_half); |
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canvas.fillPolygon(poly); |
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} |
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|
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public void run () { |
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while (true) { |
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repaint(); |
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try {
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Thread.sleep(90); |
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} catch (InterruptedException e) { |
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return;
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} |
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} |
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} |
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|
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public void step () { |
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final int DIAMETER = image.getWidth() - 2*BUFFER; |
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final int BIGRADIUS = DIAMETER / 2; |
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final int TOKENRADIUS = 40; |
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boolean valid;
|
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|
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// clear image
|
500 |
canvas.setColor(Color.WHITE);
|
501 |
canvas.fillRect(0, 0, image.getWidth(), image.getHeight()); |
502 |
|
503 |
// parse the matrix, to see what robots exist
|
504 |
String [] rows = txtMatrix.getText().split("\n"); |
505 |
numBots = rows.length; |
506 |
String [][] entries = new String[numBots][numBots]; |
507 |
valid = true;
|
508 |
for (int i = 0; i < numBots; i++) { |
509 |
entries[i] = rows[i].split(" ");
|
510 |
if (entries[i].length != rows.length) valid = false; |
511 |
} |
512 |
|
513 |
if (valid) {
|
514 |
this.showStatus("Running"); |
515 |
|
516 |
// draw robots and find which one is seleced
|
517 |
double angle = 2.0 * Math.PI / numBots; |
518 |
canvas.setColor(Color.BLACK);
|
519 |
botRect = new Rectangle[numBots]; |
520 |
int x, y;
|
521 |
if (selectedBot >= numBots) selectedBot = 0; |
522 |
for (int i = 0; i < numBots; i++) { |
523 |
x = cx - (int)(BIGRADIUS * Math.cos(i * angle)); |
524 |
y = cy - (int)(BIGRADIUS * Math.sin(i * angle)); |
525 |
drawRobot(i, x, y); |
526 |
if (i == selectedBot) indicator.setCenter(x, y);
|
527 |
} |
528 |
|
529 |
// draw token marker
|
530 |
int tokenx, tokeny;
|
531 |
int tokenNum = tokenLoc;
|
532 |
tokenx = cx - (int)(BIGRADIUS * Math.cos(tokenNum * angle)); |
533 |
tokeny = cy - (int)(BIGRADIUS * Math.sin(tokenNum * angle)); |
534 |
canvas.setColor(Color.RED);
|
535 |
canvas.drawOval(tokenx-TOKENRADIUS, tokeny-TOKENRADIUS, 2*TOKENRADIUS, 2*TOKENRADIUS); |
536 |
|
537 |
// create an inner circle along which the connections are made.
|
538 |
// let the diameter of this circle be 2*RADIUS less than the outerDiameter.
|
539 |
// see what connections exist
|
540 |
for (int row = 0; row < numBots; row++) { |
541 |
for(int col = 0; col < numBots; col++) { |
542 |
if (!entries[row][col].equals("-") && entries[col][row].equals("-") && row != col) { |
543 |
//TODO: Make a standard gray
|
544 |
drawConnection(row, col, BIGRADIUS-RADIUS, new Color(200,200,200)); |
545 |
} else if (!entries[row][col].equals("-") && ! entries[col][row].equals("-") && row != col) { |
546 |
drawConnection(row, col, BIGRADIUS-RADIUS, Color.BLACK);
|
547 |
} |
548 |
} |
549 |
} |
550 |
|
551 |
// draw the selection indicator
|
552 |
indicator.draw(); |
553 |
|
554 |
} else {// if matrix is not valid |
555 |
this.showStatus("Error: Invalid matrix"); |
556 |
} |
557 |
|
558 |
} |
559 |
|
560 |
/* At this point, moveToken is only called by the simulator.
|
561 |
* In the future, it can be rewritten to account for non-standard
|
562 |
* token passing or deleted if the information can be retrieved
|
563 |
* directly from the Colonet server instead.
|
564 |
*/
|
565 |
public void moveToken () { |
566 |
try {
|
567 |
tokenLoc = (tokenLoc+1)%numBots;
|
568 |
} catch (ArithmeticException e) { // in case numRobots is zero |
569 |
} |
570 |
|
571 |
packetMonitor.addTokenPass(); |
572 |
} |
573 |
|
574 |
public JTextArea getLog () { |
575 |
return log;
|
576 |
} |
577 |
|
578 |
public JTextArea getMatrixInput () { |
579 |
return txtMatrix;
|
580 |
} |
581 |
|
582 |
public void parseMatrix (String line) { |
583 |
txtMatrix.setText("");
|
584 |
String [] str = line.split(" "); |
585 |
int num = Integer.parseInt(str[2]); |
586 |
for (int i = 0; i < num; i++) { |
587 |
for (int j = 0; j < num; j++) { |
588 |
String next = str[3 + i*num + j]; |
589 |
if (next.equals("-1")) |
590 |
txtMatrix.append("-");
|
591 |
else
|
592 |
txtMatrix.append(next); |
593 |
if (j < num - 1) |
594 |
txtMatrix.append(" ");
|
595 |
} |
596 |
if (i < num - 1) |
597 |
txtMatrix.append("\n");
|
598 |
} |
599 |
|
600 |
} |
601 |
|
602 |
public void parseQueue (String line) { |
603 |
log.append("Got queue update\n");
|
604 |
|
605 |
} |
606 |
|
607 |
public void parseXBeeIDs (String line) { |
608 |
String [] str = line.split(" "); |
609 |
int num = Integer.parseInt(str[2]); |
610 |
xbeeID = new int[num]; |
611 |
for (int i = 0; i < num; i++) |
612 |
xbeeID[i] = Integer.parseInt(str[i+3]); |
613 |
|
614 |
//update the list of robots to control
|
615 |
cmbRobotNum.removeAllItems(); |
616 |
cmbRobotNum.addItem(new String(" All ")); |
617 |
for (int i = 0; i < num; i++) |
618 |
cmbRobotNum.addItem(new String("" + xbeeID[i])); |
619 |
} |
620 |
|
621 |
//
|
622 |
// MouseEvent methods
|
623 |
//
|
624 |
public void mouseExited(MouseEvent e) { |
625 |
} |
626 |
public void mouseEntered(MouseEvent e) { |
627 |
} |
628 |
public void mouseReleased(MouseEvent e) { |
629 |
vectorController.sendToServer(); |
630 |
} |
631 |
public void mouseClicked(MouseEvent e) { |
632 |
mouseDragged(e); |
633 |
} |
634 |
public void mousePressed(MouseEvent e) { |
635 |
try {
|
636 |
for (int i = 0; i < numBots; i++) { |
637 |
if (botRect[i].contains(e.getPoint()))
|
638 |
selectedBot = i; |
639 |
} |
640 |
} catch (Exception ex) { |
641 |
System.out.println(e);
|
642 |
} |
643 |
|
644 |
} |
645 |
public void mouseDragged(MouseEvent e) { |
646 |
vectorController.setPoint(e.getX(), e.getY()); |
647 |
vectorController.repaint(); |
648 |
} |
649 |
public void mouseMoved(MouseEvent e) { |
650 |
} |
651 |
|
652 |
|
653 |
/*
|
654 |
* SelectionIndicator thread.
|
655 |
* Graphical representation of the selection marker
|
656 |
*
|
657 |
* step() and draw() are synchronized methods. step() is private and
|
658 |
* used to update the position of the crosshairs. draw() is called
|
659 |
* externally and should only run if all calculations in step() have
|
660 |
* been completed.
|
661 |
*/
|
662 |
private class SelectionIndicator extends Thread { |
663 |
|
664 |
final int INDICATOR_DELAY = 100; |
665 |
final double DTHETA = 0.4; //larger values make the marker rotate faster |
666 |
Graphics2D g; //canvas to draw on |
667 |
boolean running;
|
668 |
|
669 |
int sx, sy; //center |
670 |
int r, dr; //radius and width of marker |
671 |
double theta; //current angle |
672 |
|
673 |
volatile Polygon poly1, poly2, poly3, poly4; |
674 |
|
675 |
int px1, py1;
|
676 |
int rx1, ry1;
|
677 |
int px2, py2;
|
678 |
int rx2, ry2;
|
679 |
int px3, py3;
|
680 |
int rx3, ry3;
|
681 |
int px4, py4;
|
682 |
int rx4, ry4;
|
683 |
|
684 |
int steps;
|
685 |
|
686 |
public SelectionIndicator (Graphics2D g) { |
687 |
super("SelectionIndicator"); |
688 |
this.g = g;
|
689 |
running = false;
|
690 |
steps = 0;
|
691 |
|
692 |
theta = 0;
|
693 |
rx1 = 0; ry1 = 0; |
694 |
px1 = 0; py1 = 0; |
695 |
rx2 = 0; ry2 = 0; |
696 |
px2 = 0; py2 = 0; |
697 |
rx3 = 0; ry3 = 0; |
698 |
px3 = 0; py3 = 0; |
699 |
rx4 = 0; ry4 = 0; |
700 |
px4 = 0; py4 = 0; |
701 |
} |
702 |
|
703 |
public synchronized void setCenter (int sx, int sy) { |
704 |
if (sx == this.sx && sy == this.sy) return; |
705 |
this.sx = sx;
|
706 |
this.sy = sy;
|
707 |
steps = 0;
|
708 |
} |
709 |
|
710 |
public synchronized void setRadius (int r, int dr) { |
711 |
this.r = r;
|
712 |
this.dr = dr;
|
713 |
steps = 0;
|
714 |
} |
715 |
|
716 |
public void run () { |
717 |
running = true;
|
718 |
while (running) {
|
719 |
step(); |
720 |
try {
|
721 |
Thread.sleep(INDICATOR_DELAY);
|
722 |
} catch (InterruptedException e) { |
723 |
running = false;
|
724 |
return;
|
725 |
} |
726 |
} |
727 |
} |
728 |
|
729 |
private synchronized void step () { |
730 |
Polygon poly1_new = new Polygon(); |
731 |
Polygon poly2_new = new Polygon(); |
732 |
Polygon poly3_new = new Polygon(); |
733 |
Polygon poly4_new = new Polygon(); |
734 |
|
735 |
//the step
|
736 |
theta = (theta + DTHETA/Math.PI) % (Math.PI); |
737 |
|
738 |
//the calculation
|
739 |
//let p be the point of the pointy thing toward the center
|
740 |
//let r be the point at the opposite side
|
741 |
|
742 |
//recalculate radius, if it will look cool, lolz
|
743 |
int newr = r;
|
744 |
if (steps < 100) |
745 |
newr = (int)( r + 200/(steps+1) ); |
746 |
|
747 |
//precompute values for dx and dy
|
748 |
int dx_inner = (int)(newr * Math.cos(theta)); |
749 |
int dy_inner = (int)(newr * Math.sin(theta)); |
750 |
int dx_outer = (int)((newr+dr) * Math.cos(theta)); |
751 |
int dy_outer = (int)((newr+dr) * Math.sin(theta)); |
752 |
|
753 |
//calculate polygon constants
|
754 |
int dy_poly = (int)(dr/2 * Math.cos(theta)); |
755 |
int dx_poly = (int)(dr/2 * Math.sin(theta)); |
756 |
|
757 |
//determine critical points
|
758 |
//kansas city shuffle!
|
759 |
px1 = sx + dx_inner; |
760 |
py1 = sy - dy_inner; |
761 |
rx1 = sx + dx_outer; |
762 |
ry1 = sy - dy_outer; |
763 |
px2 = sx - dx_inner; |
764 |
py2 = sy + dy_inner; |
765 |
rx2 = sx - dx_outer; |
766 |
ry2 = sy + dy_outer; |
767 |
px3 = sx - dy_inner; |
768 |
py3 = sy - dx_inner; |
769 |
rx3 = sx - dy_outer; |
770 |
ry3 = sy - dx_outer; |
771 |
px4 = sx + dy_inner; |
772 |
py4 = sy + dx_inner; |
773 |
rx4 = sx + dy_outer; |
774 |
ry4 = sy + dx_outer; |
775 |
|
776 |
//create polygons
|
777 |
poly1_new.addPoint(px1, py1); |
778 |
poly1_new.addPoint(rx1+dx_poly, ry1+dy_poly); |
779 |
poly1_new.addPoint(rx1-dx_poly, ry1-dy_poly); |
780 |
poly2_new.addPoint(px2, py2); |
781 |
poly2_new.addPoint(rx2+dx_poly, ry2+dy_poly); |
782 |
poly2_new.addPoint(rx2-dx_poly, ry2-dy_poly); |
783 |
poly3_new.addPoint(px3, py3); |
784 |
poly3_new.addPoint(rx3-dy_poly, ry3+dx_poly); |
785 |
poly3_new.addPoint(rx3+dy_poly, ry3-dx_poly); |
786 |
poly4_new.addPoint(px4, py4); |
787 |
poly4_new.addPoint(rx4-dy_poly, ry4+dx_poly); |
788 |
poly4_new.addPoint(rx4+dy_poly, ry4-dx_poly); |
789 |
|
790 |
//reassign updated polygons
|
791 |
poly1 = poly1_new; |
792 |
poly2 = poly2_new; |
793 |
poly3 = poly3_new; |
794 |
poly4 = poly4_new; |
795 |
|
796 |
if (steps < 300) steps++; |
797 |
} |
798 |
|
799 |
public synchronized void draw () { |
800 |
if (!running) return; |
801 |
g.setColor(Color.GRAY);
|
802 |
//draw polygons
|
803 |
g.fillPolygon(poly1); |
804 |
g.fillPolygon(poly2); |
805 |
g.fillPolygon(poly3); |
806 |
g.fillPolygon(poly4); |
807 |
} |
808 |
|
809 |
} |
810 |
|
811 |
/*
|
812 |
* Simulator thread.
|
813 |
*
|
814 |
*/
|
815 |
private class Simulator extends Thread { |
816 |
final int SIMULATOR_DELAY = 300; |
817 |
boolean running;
|
818 |
|
819 |
public Simulator () {
|
820 |
super("Simulator"); |
821 |
running = false;
|
822 |
} |
823 |
|
824 |
public void run () { |
825 |
running = true;
|
826 |
while (running) {
|
827 |
step(); |
828 |
try {
|
829 |
Thread.sleep(SIMULATOR_DELAY);
|
830 |
} catch (InterruptedException e) { |
831 |
running = false;
|
832 |
return;
|
833 |
} |
834 |
} |
835 |
} |
836 |
|
837 |
private void step () { |
838 |
// don't do anything! the colonet should work on its own!
|
839 |
} |
840 |
|
841 |
} |
842 |
|
843 |
/*
|
844 |
* PacketMonitor thread.
|
845 |
*
|
846 |
* Currently, this counts the rate of token passes but will eventually
|
847 |
* be modified to keep more important statistics.
|
848 |
*/
|
849 |
private class PacketMonitor extends Thread { |
850 |
final int PACKETMONITOR_DELAY = 1000; |
851 |
|
852 |
boolean running;
|
853 |
int tokenPasses;
|
854 |
|
855 |
public PacketMonitor () {
|
856 |
super("PacketMonitor"); |
857 |
running = false;
|
858 |
tokenPasses = 0;
|
859 |
} |
860 |
|
861 |
public void run () { |
862 |
running = true;
|
863 |
while (running) {
|
864 |
displayTokenPasses(); |
865 |
try {
|
866 |
Thread.sleep(PACKETMONITOR_DELAY);
|
867 |
} catch (InterruptedException e) { |
868 |
running = false;
|
869 |
return;
|
870 |
} |
871 |
} |
872 |
} |
873 |
|
874 |
public synchronized void addTokenPass () { |
875 |
tokenPasses++; |
876 |
} |
877 |
|
878 |
public synchronized void displayTokenPasses () { |
879 |
lblTokenPasses.setText("" + tokenPasses);
|
880 |
tokenPasses = 0;
|
881 |
} |
882 |
|
883 |
} |
884 |
|
885 |
/*
|
886 |
* DataUpdater thread.
|
887 |
* The purpose of this thread is to request data from the server at regular intervals.
|
888 |
*
|
889 |
*/
|
890 |
class DataUpdater extends Thread { |
891 |
final int DATAUPDATER_DELAY = 5000; |
892 |
|
893 |
public DataUpdater () {
|
894 |
super("Colonet DataUpdater"); |
895 |
} |
896 |
|
897 |
public void run () { |
898 |
String line;
|
899 |
while (true) { |
900 |
try {
|
901 |
//request more data
|
902 |
if (csi.isReady()) {
|
903 |
csi.sendSensorDataRequest(); |
904 |
csi.sendXBeeIDRequest(); |
905 |
} |
906 |
Thread.sleep(DATAUPDATER_DELAY);
|
907 |
} catch (InterruptedException e) { |
908 |
return;
|
909 |
} |
910 |
} |
911 |
} |
912 |
|
913 |
} |
914 |
|
915 |
/*
|
916 |
* ImagePanel class
|
917 |
* Enables more efficient image handling in a component-controlled environment
|
918 |
*/
|
919 |
class ImagePanel extends JPanel { |
920 |
protected Image img; |
921 |
|
922 |
public ImagePanel (Image img) { |
923 |
super();
|
924 |
this.img = img;
|
925 |
} |
926 |
|
927 |
public ImagePanel (boolean isDoubleBuffered, Image img) { |
928 |
super(isDoubleBuffered);
|
929 |
this.img = img;
|
930 |
} |
931 |
|
932 |
public void paint (Graphics g) { |
933 |
// Place the buffered image on the screen, inside the panel
|
934 |
g.drawImage(img, 0, 0, Color.WHITE, this); |
935 |
} |
936 |
|
937 |
} |
938 |
|
939 |
/*
|
940 |
* VectorController class
|
941 |
* Manages robot motion control graphically
|
942 |
*/
|
943 |
class VectorController extends ImagePanel { |
944 |
int x, y, cx, cy;
|
945 |
int width, height;
|
946 |
int side;
|
947 |
|
948 |
public VectorController (Image img) { |
949 |
super (img);
|
950 |
width = img.getWidth(null);
|
951 |
height = img.getHeight(null);
|
952 |
cx = img.getWidth(null)/2; |
953 |
cy = img.getHeight(null)/2; |
954 |
x = cx; |
955 |
y = cy; |
956 |
if (width < height)
|
957 |
side = width; |
958 |
else
|
959 |
side = height; |
960 |
} |
961 |
|
962 |
public void setPoint (int x, int y) { |
963 |
if (!isValidPoint(x, y))
|
964 |
return;
|
965 |
this.x = x;
|
966 |
this.y = y;
|
967 |
repaint(); |
968 |
} |
969 |
|
970 |
public boolean isValidPoint (int x, int y) { |
971 |
double xterm = Math.pow(1.0*(x - cx)/(side/2), 2); |
972 |
double yterm = Math.pow(1.0*(y - cy)/(side/2), 2); |
973 |
return (xterm + yterm <= 1); |
974 |
} |
975 |
|
976 |
public int getVelocity () { |
977 |
int dx = x - cx;
|
978 |
int dy = y - cy;
|
979 |
int v = (int) Math.sqrt( Math.pow(dx, 2) + Math.pow(dy, 2) ); |
980 |
return v;
|
981 |
} |
982 |
|
983 |
public int getAngle () { |
984 |
int dx = x - cx;
|
985 |
int dy = cy - y;
|
986 |
double theta = Math.atan2(Math.abs(dx), Math.abs(dy)); |
987 |
theta = (int) (1.0 * theta * 180 / Math.PI); //transform to degrees |
988 |
if (dy < 0) |
989 |
theta = 180 - theta;
|
990 |
theta *= Math.signum(dx);
|
991 |
return (int) theta; |
992 |
} |
993 |
|
994 |
public void paint (Graphics g) { |
995 |
g.setColor(Color.BLACK);
|
996 |
g.fillRect(0, 0, width, height); |
997 |
((Graphics2D)g).setStroke(new BasicStroke(1)); |
998 |
g.setColor(Color.RED);
|
999 |
g.drawOval(cx-side/2, cy-side/2, side, side); |
1000 |
((Graphics2D)g).setStroke(new BasicStroke(2)); |
1001 |
g.setColor(Color.GREEN);
|
1002 |
g.drawLine(cx, cy, x, y); |
1003 |
g.fillOval(x-3, y-3, 6, 6); |
1004 |
} |
1005 |
|
1006 |
public void setMaxForward () { |
1007 |
setPoint(cx, cy - (side/2) + 1); |
1008 |
} |
1009 |
|
1010 |
public void setMaxReverse () { |
1011 |
setPoint(cx, cy + (side/2) - 1); |
1012 |
} |
1013 |
|
1014 |
public void setMaxLeft () { |
1015 |
setPoint(cx - (side/2) + 1, cy); |
1016 |
} |
1017 |
|
1018 |
public void setMaxRight () { |
1019 |
setPoint(cx + (side/2) - 1, cy); |
1020 |
} |
1021 |
|
1022 |
public void setZero () { |
1023 |
setPoint(cx, cy); |
1024 |
} |
1025 |
|
1026 |
public void sendToServer () { |
1027 |
if (csi != null) |
1028 |
csi.sendData(ColonetServerInterface.MOVE + " " +
|
1029 |
vectorController.getAngle() + " " +
|
1030 |
vectorController.getVelocity(), ColonetServerInterface.GLOBAL_DEST); |
1031 |
} |
1032 |
|
1033 |
} |
1034 |
|
1035 |
/*
|
1036 |
* TaskAddWindow class
|
1037 |
* makes it easy to add tasks to the queue
|
1038 |
*/
|
1039 |
class TaskAddWindow extends JFrame implements ActionListener, ListSelectionListener { |
1040 |
JPanel panelButtons;
|
1041 |
JPanel panelParameters;
|
1042 |
JPanel panelSouth;
|
1043 |
JPanel panelSelection;
|
1044 |
JButton btnSubmit;
|
1045 |
JButton btnCancel;
|
1046 |
DefaultListModel availableListModel;
|
1047 |
JList availableList;
|
1048 |
JScrollPane spAvailableTasks;
|
1049 |
JTextArea txtDescription;
|
1050 |
JTextField txtParameters;
|
1051 |
MouseListener mouseListener;
|
1052 |
|
1053 |
public TaskAddWindow () {
|
1054 |
super("Add a Task"); |
1055 |
super.setSize(500,500); |
1056 |
super.setLayout(new BorderLayout()); |
1057 |
|
1058 |
// set up buttons
|
1059 |
btnSubmit = new JButton("Submit"); |
1060 |
btnCancel = new JButton("Cancel"); |
1061 |
panelButtons = new JPanel(); |
1062 |
panelButtons.setLayout(new FlowLayout()); |
1063 |
panelButtons.add(btnSubmit); |
1064 |
panelButtons.add(btnCancel); |
1065 |
this.getRootPane().setDefaultButton(btnSubmit);
|
1066 |
|
1067 |
// set up task list
|
1068 |
availableListModel = new DefaultListModel(); |
1069 |
availableListModel.addElement("Map the Environment");
|
1070 |
availableListModel.addElement("Clean Up Chemical Spill");
|
1071 |
availableListModel.addElement("Grow Plants");
|
1072 |
availableListModel.addElement("Save the Cheerleader");
|
1073 |
availableListModel.addElement("Save the World");
|
1074 |
availableList = new JList(availableListModel); |
1075 |
availableList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
|
1076 |
availableList.setSelectedIndex(-1);
|
1077 |
spAvailableTasks = new JScrollPane(availableList); |
1078 |
spAvailableTasks.setBorder(BorderFactory.createTitledBorder("Select A Task")); |
1079 |
txtDescription = new JTextArea(); |
1080 |
txtDescription.setEditable(false);
|
1081 |
txtDescription.setLineWrap(true);
|
1082 |
txtDescription.setWrapStyleWord(true);
|
1083 |
txtDescription.setBorder(BorderFactory.createTitledBorder("Description")); |
1084 |
|
1085 |
//set up parameter area
|
1086 |
panelParameters = new JPanel(); |
1087 |
panelParameters.setLayout(new BorderLayout()); |
1088 |
txtParameters = new JTextField(); |
1089 |
panelParameters.add(new JLabel("Optional parameters for this task: "), BorderLayout.WEST); |
1090 |
panelParameters.add(txtParameters); |
1091 |
|
1092 |
// assemble objects
|
1093 |
panelSelection = new JPanel(); |
1094 |
panelSelection.setLayout(new GridLayout(1,2)); |
1095 |
panelSelection.add(spAvailableTasks); |
1096 |
panelSelection.add(txtDescription); |
1097 |
|
1098 |
panelSouth = new JPanel(); |
1099 |
panelSouth.setLayout(new GridLayout(2,1)); |
1100 |
panelSouth.add(panelParameters); |
1101 |
panelSouth.add(panelButtons); |
1102 |
|
1103 |
this.getContentPane().add(panelSouth, BorderLayout.SOUTH); |
1104 |
this.getContentPane().add(panelSelection, BorderLayout.CENTER); |
1105 |
this.setLocationRelativeTo(null); |
1106 |
|
1107 |
// add listeners here
|
1108 |
availableList.addListSelectionListener(this);
|
1109 |
btnSubmit.addActionListener(this);
|
1110 |
btnCancel.addActionListener(this);
|
1111 |
} |
1112 |
|
1113 |
public void prompt () { |
1114 |
this.setVisible(true); |
1115 |
} |
1116 |
|
1117 |
private String getDescription (int index) { |
1118 |
if (index < 0) |
1119 |
return ""; |
1120 |
switch (index) {
|
1121 |
case 0: return "SLAM and junk"; |
1122 |
case 1: return "I'm not sure this works"; |
1123 |
case 2: return "Push them into the light"; |
1124 |
case 3: return "Watch out for clock repair guys"; |
1125 |
case 4: return "But make sure he's dead, geez, why would you let him get away? I mean come on, " |
1126 |
+"he's just lying there and everyone's too busy looking at people flying through the sky to "
|
1127 |
+"notice? Oh yeah, that's a good transition to a new season, let's make the audience think "
|
1128 |
+"he's dead and then pull a fast one on them, they'll never see that coming.";
|
1129 |
|
1130 |
default: return "Task not recognized"; |
1131 |
} |
1132 |
} |
1133 |
|
1134 |
public void actionPerformed (ActionEvent e) { |
1135 |
Object source = e.getSource();
|
1136 |
if (source == btnSubmit) {
|
1137 |
txtParameters.setText(txtParameters.getText().trim()); |
1138 |
|
1139 |
|
1140 |
this.setVisible(false); |
1141 |
} else if (source == btnCancel) { |
1142 |
this.setVisible(false); |
1143 |
} |
1144 |
} |
1145 |
|
1146 |
public void valueChanged (ListSelectionEvent e) { |
1147 |
int index = availableList.getSelectedIndex();
|
1148 |
if (index >= 0) |
1149 |
txtDescription.setText(getDescription(index)); |
1150 |
} |
1151 |
|
1152 |
} |
1153 |
|
1154 |
} |