/*
* Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.sun.media.sound;
import java.util.Arrays;
/**
* Connection blocks are used to connect source variable
* to a destination variable.
* For example Note On velocity can be connected to output gain.
* In DLS this is called articulator and in SoundFonts (SF2) a modulator.
*
* @author Karl Helgason
*/
public final class ModelConnectionBlock {
//
// source1 * source2 * scale -> destination
//
private final static ModelSource[] no_sources = new ModelSource[0];
private ModelSource[] sources = no_sources;
private double scale = 1;
private ModelDestination destination;
public ModelConnectionBlock() {
}
public ModelConnectionBlock(double scale, ModelDestination destination) {
this.scale = scale;
this.destination = destination;
}
public ModelConnectionBlock(ModelSource source,
ModelDestination destination) {
if (source != null) {
this.sources = new ModelSource[1];
this.sources[0] = source;
}
this.destination = destination;
}
public ModelConnectionBlock(ModelSource source, double scale,
ModelDestination destination) {
if (source != null) {
this.sources = new ModelSource[1];
this.sources[0] = source;
}
this.scale = scale;
this.destination = destination;
}
public ModelConnectionBlock(ModelSource source, ModelSource control,
ModelDestination destination) {
if (source != null) {
if (control == null) {
this.sources = new ModelSource[1];
this.sources[0] = source;
} else {
this.sources = new ModelSource[2];
this.sources[0] = source;
this.sources[1] = control;
}
}
this.destination = destination;
}
public ModelConnectionBlock(ModelSource source, ModelSource control,
double scale, ModelDestination destination) {
if (source != null) {
if (control == null) {
this.sources = new ModelSource[1];
this.sources[0] = source;
} else {
this.sources = new ModelSource[2];
this.sources[0] = source;
this.sources[1] = control;
}
}
this.scale = scale;
this.destination = destination;
}
public ModelDestination getDestination() {
return destination;
}
public void setDestination(ModelDestination destination) {
this.destination = destination;
}
public double getScale() {
return scale;
}
public void setScale(double scale) {
this.scale = scale;
}
public ModelSource[] getSources() {
return Arrays.copyOf(sources, sources.length);
}
public void setSources(ModelSource[] source) {
this.sources = source == null ? no_sources : Arrays.copyOf(source, source.length);
}
public void addSource(ModelSource source) {
ModelSource[] oldsources = sources;
sources = new ModelSource[oldsources.length + 1];
System.arraycopy(oldsources, 0, sources, 0, oldsources.length);
sources[sources.length - 1] = source;
}
}