fourbyfour.java

java 3d编程的一些例子源代码

      // Let the positions object know about the transform group
      positions.setTransformGroup(transformGroup);

      // Create the mouse pick and drag behavior node
      PickDragBehavior behavior = new PickDragBehavior(canvas2D, canvas3D, positions, 
                                                       branchGroup, transformGroup);
      behavior.setSchedulingBounds(bounds);
      transformGroup.addChild(behavior);

      return branchGroup;
   }

   public void actionPerformed (ActionEvent event) {

      Object target = event.getSource();

      // Process the button events.
      if (target == skill_return_button) {
         skill_panel.setVisible(false);
         skill_return_button.setVisible(false);
         c_container.setVisible(true);
         b_container.setVisible(true);
         newGame();
      }
      else if (target == winner_return_button) {
         if (winner_flag) {
            String name = winner_name.getText();
            String tmp_name = new String("");
            int tmp_score = 0;
            boolean insert_flag = false;
            winner_flag = false;
            for (int i=0; i<20; i++) {
               if (insert_flag) {
                  name = names[i];
                  score = scores[i];
                  names[i] = tmp_name;
                  scores[i] = tmp_score;
                  tmp_name = name;
                  tmp_score = score;
               }
               if (!insert_flag && score > scores[i]) {
                  tmp_name = names[i];
                  tmp_score = scores[i];
                  scores[i] = score;
                  names[i] = name;
                  insert_flag = true;
               }
               high_names[i].setText(names[i]);
               high_scores[i].setText(Integer.toString(scores[i]));
            }
            scoresString = new String("");
            int place;
            for (int i=0; i<20; i++) {
               place = (int) places[i];
               scoresString += Integer.toString(place);
               scoresString += "\t";
               scoresString += names[i];
               scoresString += "   ";
               scoresString += Integer.toString(scores[i]);
               scoresString += "\n";
            }

            if(writeScoresFile) {
                if (appletFlag) {
                    try {
                        OutputStreamWriter outFile =
                                new OutputStreamWriter(new FileOutputStream("scores.txt"));
                        outFile.write(scoresString);
                        outFile.flush();
                        outFile.close();
                        outFile = null;
                    } catch (IOException ioe) {
                        System.out.println("Error: " + ioe.toString());
                    } catch (Exception e) {
                        System.out.println("Error: " + e.toString());
                    }
                    
                } else {
                    
                    try {
                        
                        OutputStreamWriter outFile =
                                new OutputStreamWriter(new FileOutputStream("scores.txt"));
                        outFile.write(scoresString);
                        outFile.flush();
                        outFile.close();
                        outFile = null;
                    } catch (IOException ioe) {
                        System.out.println("Error: " + ioe.toString());
                    }
                }
            }
         }
         winner_panel.setVisible(false);
         winner_return_button.setVisible(false);
         winner_label.setVisible(false);
         winner_score_label.setVisible(false);
         winner_name_label.setVisible(false);
         winner_top_label.setVisible(false);
         winner_name.setVisible(false);
         c_container.setVisible(true);
         b_container.setVisible(true);
      }
      else if (target == high_return_button) {
         high_return_button.setVisible(false);
         high_panel.setVisible(false);
         c_container.setVisible(true);
         b_container.setVisible(true);
      }
      else if (target == instruct_return_button) {
         instruct_text.setVisible(false);
         instruct_return_button.setVisible(false);
         instruct_text.repaint();
         c_container.setVisible(true);
         b_container.setVisible(true);
      }
      else if (target == undo_button) {
         board.undo_move();
         canvas2D.repaint();
      }
      else if (target == instruct_button) {
         c_container.setVisible(false);
         b_container.setVisible(false);
         instruct_text.setVisible(true);
         instruct_return_button.setVisible(true);
      }
      else if (target == new_button) {
         newGame();
      }
      else if (target == skill_button) {
         c_container.setVisible(false);
         b_container.setVisible(false);
         skill_panel.setVisible(true);
         skill_return_button.setVisible(true);
      }
      else if (target == high_button) {
         // Read the high scores file.
         if (appletFlag) {
            try {
               URL scoreURL = Resources.getResource("four_by_four/scores.txt");
               inStream = new BufferedInputStream(scoreURL.openStream(), 8192);
               Reader read = new BufferedReader(new InputStreamReader(inStream));
               StreamTokenizer st = new StreamTokenizer(read);
               st.whitespaceChars(32,44);
               st.eolIsSignificant(false);

               int count = 0;
               int token = st.nextToken();
               boolean scoreFlag = true;
               String string;
               while (count<20) {
                  places[count] = (int) st.nval;
                  string = new String("");
                  token = st.nextToken();
                  while (token == StreamTokenizer.TT_WORD) {
                     string += st.sval;
                     string += " ";
                     token = st.nextToken();
                  }
                  names[count] = string;
                  scores[count] = (int) st.nval;
                  token = st.nextToken();
                  count++;
               }
               inStream.close();
            }
            catch(Exception ioe) {
               System.out.println("Error: " + ioe.toString());
            }
         }
         else {
            try {
               URL scoreURL = Resources.getResource("four_by_four/scores.txt");
               inStream = new BufferedInputStream(scoreURL.openStream(), 8192);
               Reader read = new BufferedReader(new InputStreamReader(inStream));
               StreamTokenizer st = new StreamTokenizer(read);
               st.whitespaceChars(32,44);
               st.eolIsSignificant(false);

               int count = 0;
               int token = st.nextToken();
               boolean scoreFlag = true;
               String string;
               while (count<20) {
                  places[count] = (int) st.nval;
                  string = new String("");
                  token = st.nextToken();
                  while (token == StreamTokenizer.TT_WORD) {
                     string += st.sval;
                     string += " ";
                     token = st.nextToken();
                  }
                  names[count] = string;
                  scores[count] = (int) st.nval;
                  token = st.nextToken();
                  count++;
               }
               inStream.close();
            }
            catch(Exception ioe) {
               System.out.println("Error: " + ioe.toString());
            }
         }
         c_container.setVisible(false);
         b_container.setVisible(false);
         high_panel.setVisible(true);
         high_return_button.setVisible(true);
      }

      Checkbox box = group.getSelectedCheckbox(); 
      String label = box.getLabel();
      if (label.equals("Babe in the Woods        ")) {
         board.set_skill_level(0);
      }
      else if (label.equals("Walk and Chew Gum        ")) {
         board.set_skill_level(1);
      }
      else if (label.equals("Jeopardy Contestant      ")) {
         board.set_skill_level(2);
      }
      else if (label.equals("Rocket Scientist         ")) {
         board.set_skill_level(3);
      }
      else if (label.equals("Be afraid, be very afraid")) {
         board.set_skill_level(4);
      }
   }

   public void newGame() {
      board.newGame();         
      canvas2D.repaint();
   }

   public void start() {
      if (appletFlag) showStatus("FourByFour");
   }

   public void winner(int player, int level, int nmoves, long time) {

      if (player == 1) { 
         score = level *  level_weight + 
                 (66 - nmoves) * move_weight -
                 (int) Math.min(time * time_weight, 5000);
         winner_label.setText("Game over, you win!");
         winner_label.setLocation(290, 90);
         winner_score_label.setText("Score = " + score);
         winner_score_label.setVisible(true);
         winner_score_label.setLocation(315, 120);
         if (score > scores[19]) {
            winner_name_label.setVisible(true);
            winner_top_label.setVisible(true);
            winner_name.setVisible(true);
            winner_flag = true;
         }
      }
      else {
         winner_label.setText("Game over, the computer wins!");
         winner_label.setLocation(250, 150);
      }
      c_container.setVisible(false);
      b_container.setVisible(false);
      winner_panel.setVisible(true);
      winner_label.setVisible(true);
      winner_return_button.setVisible(true);
      repaint();
   }

   /**
    *  Inner class used to "kill" the window when running as
    *  an application.
    */
   static class killAdapter extends WindowAdapter {
      public void windowClosing(WindowEvent event) {
         System.exit(0);
      }
   }

  /**
   *  Main method, only used when running as an application.
   */
  public static void main(String[] args) {
    FourByFour.appletFlag = false;
    new MainFrame(new FourByFour(), 730, 450);
  }
  
}