root / branches / lib_additions / code / projects / colonet / ColonetGUI / Colonet.java @ 79
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//
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// Colonet.java
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//
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import javax.swing.*; |
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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, MouseListener, Runnable { |
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final int CANVAS_SIZE = 500; //don't make this too large, or the applet will be slow. |
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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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|
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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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|
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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 panelRobotCommands;
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JButton btnF, btnB, btnL, btnR, btnActivate;
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JComboBox cmbRobotNum;
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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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|
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// Graphics
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JPanel 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; //TODO: add a BufferedWriter |
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DataUpdater dataUpdater; |
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|
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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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|
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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
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String laf = UIManager.getSystemLookAndFeelClassName(); |
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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 should never happen. Seriously.
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System.out.println(e);
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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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panel = new JPanel(false); //set automatic double-buffering to false. we are doing it manually. |
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|
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// Connection area
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txtMatrix = new JTextArea("- 9 3 - 1\n- - - 5 -\n4 - - - 2\n- - - - -\n1 - - 3 -"); |
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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("roboclub1.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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|
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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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|
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//TODO: add panelStats somewhere?
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|
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// Robot direction panel
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panelRobotDirection = 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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panelRobotDirection = new JPanel(); |
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panelRobotDirection.setLayout(new GridLayout(3,3)); |
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panelRobotDirection.add(new JLabel("")); |
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panelRobotDirection.add(btnF); |
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panelRobotDirection.add(new JLabel("")); |
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panelRobotDirection.add(btnL); |
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panelRobotDirection.add(btnActivate); |
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panelRobotDirection.add(btnR); |
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panelRobotDirection.add(new JLabel("")); |
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panelRobotDirection.add(btnB); |
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panelRobotDirection.add(new JLabel("")); |
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// Robot Control and Commands
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panelRobotCommands = new JPanel(); |
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panelRobotCommands.setLayout(new FlowLayout()); |
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cmbRobotNum = new JComboBox(); |
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panelRobotCommands.add(cmbRobotNum); |
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panelRobotCommands.add(new JLabel("Commands go here")); |
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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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taskListModel.addElement("Map the Environment");
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taskListModel.addElement("Clean Up Chemical Spill");
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taskListModel.addElement("Grow Plants");
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taskListModel.addElement("Save the Cheerleader");
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taskListModel.addElement("Save the World");
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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(1,3)); |
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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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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(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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// 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(300, 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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|
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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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// 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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// 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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// 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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// 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, 30); |
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tokenLoc = 0;
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numBots = 0;
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selectedBot = 0;
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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(log, txtMatrix);
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} |
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public synchronized void paint (Graphics g) { |
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/* First, 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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super.paint(g);
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// Place the buffered image on the screen, inside the panel
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panel.getGraphics().drawImage(image, 0, 0, Color.WHITE, this); |
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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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lblConnectionStatus.setText("Simulating");
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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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doSocket(); |
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dataUpdater = new DataUpdater();
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dataUpdater.start(); |
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} else if (source == btnRemoveTask) { |
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try {
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taskListModel.remove(taskList.getSelectedIndex()); |
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} catch (ArrayIndexOutOfBoundsException ex) { |
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} |
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// Robot controls
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} else if (source == btnF) { |
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csi.sendData(ColonetServerInterface.MOTOR1_SET + " 0 200", ColonetServerInterface.GLOBAL_DEST);
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csi.sendData(ColonetServerInterface.MOTOR2_SET + " 0 200", ColonetServerInterface.GLOBAL_DEST);
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} else if (source == btnB) { |
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csi.sendData(ColonetServerInterface.MOTOR1_SET + " 1 200", ColonetServerInterface.GLOBAL_DEST);
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csi.sendData(ColonetServerInterface.MOTOR2_SET + " 1 200", ColonetServerInterface.GLOBAL_DEST);
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} else if (source == btnL) { |
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csi.sendData(ColonetServerInterface.MOTOR1_SET + " 1 200", ColonetServerInterface.GLOBAL_DEST);
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csi.sendData(ColonetServerInterface.MOTOR2_SET + " 0 200", ColonetServerInterface.GLOBAL_DEST);
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} else if (source == btnR) { |
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csi.sendData(ColonetServerInterface.MOTOR1_SET + " 0 200", ColonetServerInterface.GLOBAL_DEST);
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csi.sendData(ColonetServerInterface.MOTOR2_SET + " 1 200", ColonetServerInterface.GLOBAL_DEST);
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} else if (source == btnActivate) { |
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csi.sendData(ColonetServerInterface.MOTOR1_SET + " 0 0", ColonetServerInterface.GLOBAL_DEST);
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csi.sendData(ColonetServerInterface.MOTOR2_SET + " 0 0", ColonetServerInterface.GLOBAL_DEST);
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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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private void doSocket () { |
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csi.connect(txtHost.getText(), txtPort.getText()); |
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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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canvas.drawString("" + id, x-10, y+10); |
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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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step(); |
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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
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canvas.setColor(Color.WHITE);
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canvas.fillRect(0, 0, image.getWidth(), image.getHeight()); |
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|
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// parse the matrix, to see what robots exist
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String [] rows = txtMatrix.getText().split("\n"); |
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numBots = rows.length; |
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String [][] entries = new String[numBots][numBots]; |
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valid = true;
|
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for (int i = 0; i < numBots; i++) { |
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entries[i] = rows[i].split(" ");
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if (entries[i].length != rows.length) valid = false; |
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} |
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|
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if (valid) {
|
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this.showStatus("Running"); |
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|
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// draw robots and find which one is seleced
|
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double angle = 2.0 * Math.PI / numBots; |
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canvas.setColor(Color.BLACK);
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botRect = new Rectangle[numBots]; |
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int x, y;
|
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if (selectedBot >= numBots) selectedBot = 0; |
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for (int i = 0; i < numBots; i++) { |
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x = cx - (int)(BIGRADIUS * Math.cos(i * angle)); |
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y = cy - (int)(BIGRADIUS * Math.sin(i * angle)); |
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drawRobot(i, x, y); |
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if (i == selectedBot) indicator.setCenter(x, y);
|
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} |
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|
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// draw token marker
|
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int tokenx, tokeny;
|
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int tokenNum = tokenLoc;
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486 |
tokenx = cx - (int)(BIGRADIUS * Math.cos(tokenNum * angle)); |
487 |
tokeny = cy - (int)(BIGRADIUS * Math.sin(tokenNum * angle)); |
488 |
canvas.setColor(Color.RED);
|
489 |
canvas.drawOval(tokenx-TOKENRADIUS, tokeny-TOKENRADIUS, 2*TOKENRADIUS, 2*TOKENRADIUS); |
490 |
|
491 |
// create an inner circle along which the connections are made.
|
492 |
// let the diameter of this circle be 2*RADIUS less than the outerDiameter.
|
493 |
// see what connections exist
|
494 |
for (int row = 0; row < numBots; row++) { |
495 |
for(int col = 0; col < numBots; col++) { |
496 |
if (!entries[row][col].equals("-") && entries[col][row].equals("-") && row != col) { |
497 |
//TODO: Make a standard gray
|
498 |
drawConnection(row, col, BIGRADIUS-RADIUS, new Color(200,200,200)); |
499 |
} else if (!entries[row][col].equals("-") && ! entries[col][row].equals("-") && row != col) { |
500 |
drawConnection(row, col, BIGRADIUS-RADIUS, Color.BLACK);
|
501 |
} |
502 |
} |
503 |
} |
504 |
|
505 |
// draw the selection indicator
|
506 |
indicator.draw(); |
507 |
|
508 |
} else {// if matrix is not valid |
509 |
this.showStatus("Error: Invalid matrix"); |
510 |
} |
511 |
|
512 |
} |
513 |
|
514 |
/* At this point, moveToken is only called by the simulator.
|
515 |
* In the future, it can be rewritten to account for non-standard
|
516 |
* token passing or deleted if the information can be retrieved
|
517 |
* directly from the Colonet server instead.
|
518 |
*/
|
519 |
public void moveToken () { |
520 |
try {
|
521 |
tokenLoc = (tokenLoc+1)%numBots;
|
522 |
} catch (ArithmeticException e) { // in case numRobots is zero |
523 |
} |
524 |
|
525 |
packetMonitor.addTokenPass(); |
526 |
} |
527 |
|
528 |
//
|
529 |
// MouseEvent methods
|
530 |
//
|
531 |
public void mouseExited(MouseEvent e) {} |
532 |
public void mouseEntered(MouseEvent e) {} |
533 |
public void mouseReleased(MouseEvent e) {} |
534 |
public void mouseClicked(MouseEvent e) {} |
535 |
public void mousePressed(MouseEvent e) { |
536 |
try {
|
537 |
for (int i = 0; i < numBots; i++) { |
538 |
if (botRect[i].contains(e.getPoint()))
|
539 |
selectedBot = i; |
540 |
} |
541 |
} catch (Exception ex) { |
542 |
System.out.println(e);
|
543 |
} |
544 |
|
545 |
} |
546 |
|
547 |
/*
|
548 |
* SelectionIndicator thread.
|
549 |
* Graphical representation of the selection marker
|
550 |
*
|
551 |
* step() and draw() are synchronized methods. step() is private and
|
552 |
* used to update the position of the crosshairs. draw() is called
|
553 |
* externally and should only run if all calculations in step() have
|
554 |
* been completed.
|
555 |
*/
|
556 |
private class SelectionIndicator extends Thread { |
557 |
|
558 |
final int INDICATOR_DELAY = 100; |
559 |
final double DTHETA = 0.3; //larger values make the marker rotate faster |
560 |
Graphics2D g; //canvas to draw on |
561 |
boolean running;
|
562 |
|
563 |
int sx, sy; //center |
564 |
int r, dr; //radius and width of marker |
565 |
double theta; //current angle |
566 |
|
567 |
volatile Polygon poly1, poly2, poly3, poly4; |
568 |
|
569 |
int px1, py1;
|
570 |
int rx1, ry1;
|
571 |
int px2, py2;
|
572 |
int rx2, ry2;
|
573 |
int px3, py3;
|
574 |
int rx3, ry3;
|
575 |
int px4, py4;
|
576 |
int rx4, ry4;
|
577 |
|
578 |
int steps;
|
579 |
|
580 |
public SelectionIndicator (Graphics2D g) { |
581 |
super("SelectionIndicator"); |
582 |
this.g = g;
|
583 |
running = false;
|
584 |
steps = 0;
|
585 |
|
586 |
theta = 0;
|
587 |
rx1 = 0; ry1 = 0; |
588 |
px1 = 0; py1 = 0; |
589 |
rx2 = 0; ry2 = 0; |
590 |
px2 = 0; py2 = 0; |
591 |
rx3 = 0; ry3 = 0; |
592 |
px3 = 0; py3 = 0; |
593 |
rx4 = 0; ry4 = 0; |
594 |
px4 = 0; py4 = 0; |
595 |
} |
596 |
|
597 |
public synchronized void setCenter (int sx, int sy) { |
598 |
if (sx == this.sx && sy == this.sy) return; |
599 |
this.sx = sx;
|
600 |
this.sy = sy;
|
601 |
steps = 0;
|
602 |
} |
603 |
|
604 |
public synchronized void setRadius (int r, int dr) { |
605 |
this.r = r;
|
606 |
this.dr = dr;
|
607 |
steps = 0;
|
608 |
} |
609 |
|
610 |
public void run () { |
611 |
running = true;
|
612 |
while (running) {
|
613 |
step(); |
614 |
try {
|
615 |
Thread.sleep(INDICATOR_DELAY);
|
616 |
} catch (InterruptedException e) { |
617 |
running = false;
|
618 |
return;
|
619 |
} |
620 |
} |
621 |
} |
622 |
|
623 |
private synchronized void step () { |
624 |
Polygon poly1_new = new Polygon(); |
625 |
Polygon poly2_new = new Polygon(); |
626 |
Polygon poly3_new = new Polygon(); |
627 |
Polygon poly4_new = new Polygon(); |
628 |
|
629 |
//the step
|
630 |
theta = (theta + DTHETA/Math.PI) % (Math.PI); |
631 |
|
632 |
//the calculation
|
633 |
//let p be the point of the pointy thing toward the center
|
634 |
//let r be the point at the opposite side
|
635 |
|
636 |
//recalculate radius, if it will look cool, lolz
|
637 |
int newr = r;
|
638 |
if (steps < 100) |
639 |
newr = (int)( r + 200/(steps+1) ); |
640 |
|
641 |
//precompute values for dx and dy
|
642 |
int dx_inner = (int)(newr * Math.cos(theta)); |
643 |
int dy_inner = (int)(newr * Math.sin(theta)); |
644 |
int dx_outer = (int)((newr+dr) * Math.cos(theta)); |
645 |
int dy_outer = (int)((newr+dr) * Math.sin(theta)); |
646 |
|
647 |
//calculate polygon constants
|
648 |
int dy_poly = (int)(dr/2 * Math.cos(theta)); |
649 |
int dx_poly = (int)(dr/2 * Math.sin(theta)); |
650 |
|
651 |
//determine critical points
|
652 |
//kansas city shuffle!
|
653 |
px1 = sx + dx_inner; |
654 |
py1 = sy - dy_inner; |
655 |
rx1 = sx + dx_outer; |
656 |
ry1 = sy - dy_outer; |
657 |
px2 = sx - dx_inner; |
658 |
py2 = sy + dy_inner; |
659 |
rx2 = sx - dx_outer; |
660 |
ry2 = sy + dy_outer; |
661 |
px3 = sx - dy_inner; |
662 |
py3 = sy - dx_inner; |
663 |
rx3 = sx - dy_outer; |
664 |
ry3 = sy - dx_outer; |
665 |
px4 = sx + dy_inner; |
666 |
py4 = sy + dx_inner; |
667 |
rx4 = sx + dy_outer; |
668 |
ry4 = sy + dx_outer; |
669 |
|
670 |
//create polygons
|
671 |
poly1_new.addPoint(px1, py1); |
672 |
poly1_new.addPoint(rx1+dx_poly, ry1+dy_poly); |
673 |
poly1_new.addPoint(rx1-dx_poly, ry1-dy_poly); |
674 |
poly2_new.addPoint(px2, py2); |
675 |
poly2_new.addPoint(rx2+dx_poly, ry2+dy_poly); |
676 |
poly2_new.addPoint(rx2-dx_poly, ry2-dy_poly); |
677 |
poly3_new.addPoint(px3, py3); |
678 |
poly3_new.addPoint(rx3-dy_poly, ry3+dx_poly); |
679 |
poly3_new.addPoint(rx3+dy_poly, ry3-dx_poly); |
680 |
poly4_new.addPoint(px4, py4); |
681 |
poly4_new.addPoint(rx4-dy_poly, ry4+dx_poly); |
682 |
poly4_new.addPoint(rx4+dy_poly, ry4-dx_poly); |
683 |
|
684 |
//reassign updated polygons
|
685 |
poly1 = poly1_new; |
686 |
poly2 = poly2_new; |
687 |
poly3 = poly3_new; |
688 |
poly4 = poly4_new; |
689 |
|
690 |
if (steps < 300) steps++; |
691 |
} |
692 |
|
693 |
public synchronized void draw () { |
694 |
if (!running) return; |
695 |
g.setColor(Color.GRAY);
|
696 |
//draw polygons
|
697 |
g.fillPolygon(poly1); |
698 |
g.fillPolygon(poly2); |
699 |
g.fillPolygon(poly3); |
700 |
g.fillPolygon(poly4); |
701 |
} |
702 |
|
703 |
} |
704 |
|
705 |
/*
|
706 |
* Simulator thread.
|
707 |
*
|
708 |
*/
|
709 |
private class Simulator extends Thread { |
710 |
final int SIMULATOR_DELAY = 300; |
711 |
boolean running;
|
712 |
|
713 |
public Simulator () {
|
714 |
super("Simulator"); |
715 |
running = false;
|
716 |
} |
717 |
|
718 |
public void run () { |
719 |
running = true;
|
720 |
while (running) {
|
721 |
step(); |
722 |
try {
|
723 |
Thread.sleep(SIMULATOR_DELAY);
|
724 |
} catch (InterruptedException e) { |
725 |
running = false;
|
726 |
return;
|
727 |
} |
728 |
} |
729 |
} |
730 |
|
731 |
private void step () { |
732 |
// simulate passing the token
|
733 |
moveToken(); |
734 |
} |
735 |
|
736 |
} |
737 |
|
738 |
/*
|
739 |
* PacketMonitor thread.
|
740 |
*
|
741 |
* Currently, this counts the rate of token passes but will eventually
|
742 |
* be modified to keep more important statistics.
|
743 |
*/
|
744 |
private class PacketMonitor extends Thread { |
745 |
final int PACKETMONITOR_DELAY = 1000; |
746 |
|
747 |
boolean running;
|
748 |
int tokenPasses;
|
749 |
|
750 |
public PacketMonitor () {
|
751 |
super("PacketMonitor"); |
752 |
running = false;
|
753 |
tokenPasses = 0;
|
754 |
} |
755 |
|
756 |
public void run () { |
757 |
running = true;
|
758 |
while (running) {
|
759 |
displayTokenPasses(); |
760 |
try {
|
761 |
Thread.sleep(PACKETMONITOR_DELAY);
|
762 |
} catch (InterruptedException e) { |
763 |
running = false;
|
764 |
return;
|
765 |
} |
766 |
} |
767 |
} |
768 |
|
769 |
public synchronized void addTokenPass () { |
770 |
tokenPasses++; |
771 |
} |
772 |
|
773 |
public synchronized void displayTokenPasses () { |
774 |
lblTokenPasses.setText("" + tokenPasses);
|
775 |
tokenPasses = 0;
|
776 |
} |
777 |
|
778 |
} |
779 |
|
780 |
/*
|
781 |
* DataUpdater thread.
|
782 |
* The purpose of this thread is to request data from the server at regular intervals.
|
783 |
*
|
784 |
*/
|
785 |
class DataUpdater extends Thread { |
786 |
final int DATAUPDATER_DELAY = 1100; |
787 |
|
788 |
public DataUpdater () {
|
789 |
super("Colonet DataUpdater"); |
790 |
} |
791 |
|
792 |
public void run () { |
793 |
String line;
|
794 |
while (true) { |
795 |
try {
|
796 |
//request more data
|
797 |
if (csi.isReady())
|
798 |
csi.sendRequest(ColonetServerInterface.REQUEST_BOM_MATRIX, "");
|
799 |
Thread.sleep(DATAUPDATER_DELAY);
|
800 |
} catch (InterruptedException e) { |
801 |
return;
|
802 |
} |
803 |
} |
804 |
} |
805 |
|
806 |
} |
807 |
|
808 |
} |