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    1   /*
    2    * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
    3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
    4    *
    5    * This code is free software; you can redistribute it and/or modify it
    6    * under the terms of the GNU General Public License version 2 only, as
    7    * published by the Free Software Foundation.  Oracle designates this
    8    * particular file as subject to the "Classpath" exception as provided
    9    * by Oracle in the LICENSE file that accompanied this code.
   10    *
   11    * This code is distributed in the hope that it will be useful, but WITHOUT
   12    * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   13    * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   14    * version 2 for more details (a copy is included in the LICENSE file that
   15    * accompanied this code).
   16    *
   17    * You should have received a copy of the GNU General Public License version
   18    * 2 along with this work; if not, write to the Free Software Foundation,
   19    * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   20    *
   21    * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   22    * or visit www.oracle.com if you need additional information or have any
   23    * questions.
   24    */
   25   package com.sun.media.sound;
   26   
   27   /**
   28    * A standard director who chooses performers
   29    * by there keyfrom,keyto,velfrom,velto properties.
   30    *
   31    * @author Karl Helgason
   32    */
   33   public class ModelStandardDirector implements ModelDirector {
   34   
   35       ModelPerformer[] performers;
   36       ModelDirectedPlayer player;
   37       boolean noteOnUsed = false;
   38       boolean noteOffUsed = false;
   39   
   40       public ModelStandardDirector(ModelPerformer[] performers,
   41               ModelDirectedPlayer player) {
   42           this.performers = performers;
   43           this.player = player;
   44           for (int i = 0; i < performers.length; i++) {
   45               ModelPerformer p = performers[i];
   46               if (p.isReleaseTriggered()) {
   47                   noteOffUsed = true;
   48               } else {
   49                   noteOnUsed = true;
   50               }
   51           }
   52       }
   53   
   54       public void close() {
   55       }
   56   
   57       public void noteOff(int noteNumber, int velocity) {
   58           if (!noteOffUsed)
   59               return;
   60           for (int i = 0; i < performers.length; i++) {
   61               ModelPerformer p = performers[i];
   62               if (p.getKeyFrom() <= noteNumber && p.getKeyTo() >= noteNumber) {
   63                   if (p.getVelFrom() <= velocity && p.getVelTo() >= velocity) {
   64                       if (p.isReleaseTriggered()) {
   65                           player.play(i, null);
   66                       }
   67                   }
   68               }
   69           }
   70       }
   71   
   72       public void noteOn(int noteNumber, int velocity) {
   73           if (!noteOnUsed)
   74               return;
   75           for (int i = 0; i < performers.length; i++) {
   76               ModelPerformer p = performers[i];
   77               if (p.getKeyFrom() <= noteNumber && p.getKeyTo() >= noteNumber) {
   78                   if (p.getVelFrom() <= velocity && p.getVelTo() >= velocity) {
   79                       if (!p.isReleaseTriggered()) {
   80                           player.play(i, null);
   81                       }
   82                   }
   83               }
   84           }
   85       }
   86   }

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