/**
 * Copyright (c) 2003 Sun Microsystems, Inc. All  Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * -Redistribution of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * -Redistribution in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of Sun Microsystems, Inc. or the names of contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * This software is provided "AS IS," without a warranty of any kind.
 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS
 * LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A
 * RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 * IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT
 * OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
 * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
 * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS
 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 *
 * You acknowledge that this software is not designed or intended for use in the
 * design, construction, operation or maintenance of any nuclear facility.
 */
package com.jogamp.openal.eax;

import java.nio.Buffer;

/**
 * @author Athomas Goldberg
 *
 */
public class EAX implements EAXConstants {

    public static final int SOURCE = 0;
    public static final int LISTENER = 1;

    private final int sourceGUID;
    private final int listenerGUID;

    /**
     * @param sourceGUID
     * @param listenerGUID
     */
    EAX(final int sourceGUID, final int listenerGUID) {
         this.sourceGUID = sourceGUID;
         this.listenerGUID = listenerGUID;
    }

    /**
     * This method sets an EAX property value. <br>
     * <br>
     * <b>Interface to C Language function:</b>
     * <pre>ALenum EAXSet(const struct _GUID *propertySetID, ALuint property, ALuint source, ALvoid *value, ALuint size)</pre>
     *
     * @param objectFlag a flag indicating a LISTENER or a SOURCE
     * @param pname the property being set
     * @param source the ID of the source, or 0 for Listener properties
     * @param value a direct Buffer to hold the value retrieved
     * @param size the size of the Buffer
     */
    public native void EAXSet(int objectFlag, int pname, int source, Buffer value, int size);

    /**
     * This method retrieves an EAX property value. <br>
     * <br>
     * <b>Interface to C Language function:</b>
     * <pre>ALenum EAXGet(const struct _GUID *propertySetID, ALuint property, ALuint source, ALvoid *value, ALuint size)</pre>
     *
     * @param objectFlag a flag indicating a LISTENER or a SOURCE
     * @param pname the property being queried
     * @param source the ID of the source, or 0 for Listener properties
     * @param value a direct Buffer to hold the value retrieved
     * @param size the size of the Buffer
     */
    public native void EAXGet(int objectFlag, int pname, int source, Buffer value, int size);

    /**
     * This method sets a source property.
     * @param sourceID the ID of the source whose property is being set.
     * @param pname the name of the property being set
     * @param value a direct Buffer containing the value to be set
     */
    public void setSourceProperty(final int sourceID, final int pname, final Buffer value) {
        EAXSet(sourceGUID, pname, sourceID, value, value.capacity());
    }

    /**
     * This method retrieves a source property.
     * @param sourceID the ID of the source whose property is being retrieved.
     * @param pname the name of the property being retrieved
     * @param value a direct Buffer to hold the value to be retrieved
     */
    public void getSourceProperty(final int pname, final int sourceID, final Buffer value) {
        EAXGet(sourceGUID, pname, sourceID, value, value.capacity());
    }

    /**
     * This method sets a Listener property.
     * @param pname the name of the property being set
     * @param value a direct Buffer containing the value to be set
     */
    public void setListenerProperty(final int pname, final Buffer value) {
        EAXSet(listenerGUID, pname, 0, value, value.capacity());
    }

    /**
     * This method retrieves a Listener property.
     * @param pname the name of the property being retrieved
     * @param value a direct Buffer to hold the value to be retrieved
     */
    public void getListenerProperty(final int pname, final Buffer value) {
        EAXGet(listenerGUID, pname, 0, value, value.capacity());
    }
}