88 lines
3.1 KiB
Java
88 lines
3.1 KiB
Java
/*
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* Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.media.sound;
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import java.util.Arrays;
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/**
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* A standard director who chooses performers
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* by there keyfrom,keyto,velfrom,velto properties.
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*
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* @author Karl Helgason
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*/
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public final class ModelStandardDirector implements ModelDirector {
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private final ModelPerformer[] performers;
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private final ModelDirectedPlayer player;
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private boolean noteOnUsed = false;
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private boolean noteOffUsed = false;
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public ModelStandardDirector(final ModelPerformer[] performers,
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final ModelDirectedPlayer player) {
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this.performers = Arrays.copyOf(performers, performers.length);
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this.player = player;
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for (final ModelPerformer p : this.performers) {
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if (p.isReleaseTriggered()) {
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noteOffUsed = true;
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} else {
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noteOnUsed = true;
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}
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}
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}
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public void close() {
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}
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public void noteOff(int noteNumber, int velocity) {
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if (!noteOffUsed)
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return;
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for (int i = 0; i < performers.length; i++) {
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ModelPerformer p = performers[i];
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if (p.getKeyFrom() <= noteNumber && p.getKeyTo() >= noteNumber) {
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if (p.getVelFrom() <= velocity && p.getVelTo() >= velocity) {
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if (p.isReleaseTriggered()) {
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player.play(i, null);
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}
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}
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}
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}
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}
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public void noteOn(int noteNumber, int velocity) {
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if (!noteOnUsed)
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return;
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for (int i = 0; i < performers.length; i++) {
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ModelPerformer p = performers[i];
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if (p.getKeyFrom() <= noteNumber && p.getKeyTo() >= noteNumber) {
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if (p.getVelFrom() <= velocity && p.getVelTo() >= velocity) {
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if (!p.isReleaseTriggered()) {
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player.play(i, null);
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}
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}
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}
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}
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}
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}
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