106 lines
3.0 KiB
Java
106 lines
3.0 KiB
Java
/*
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* Copyright (c) 2002 Lightweight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'Light Weight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.openal;
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/**
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* $Id$
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*
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* The base AL functionality (no actual AL methods).
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*
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* This has been provided as a base class that we can use for either the
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* full AL 1.0 specification or as a cut-down OpenAL embedded spec. (aka
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* a mini-driver).
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*
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* @author Brian Matzon <brian@matzon.dk>
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* @version $Revision$
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*/
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public abstract class BaseAL {
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/** Has the ALC object been created? */
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protected static boolean created;
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static {
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initialize();
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}
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/**
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* Override to provide any initialization code after creation.
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*/
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protected void init() {
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}
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/**
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* Static initialization
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*/
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private static void initialize() {
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System.loadLibrary(org.lwjgl.Sys.getLibraryName());
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}
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/**
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* Creates the AL instance
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*
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* @throws Exception if a failiure occured in the AL creation process
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*/
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public void create() throws Exception {
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if (created) {
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return;
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}
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if (!nCreate()) {
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throw new Exception("AL instance could not be created.");
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}
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created = true;
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init();
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}
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/**
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* Native method to create AL instance
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*
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* @return true if the AL creation process succeeded
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*/
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protected native boolean nCreate();
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/**
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* Calls whatever destruction rutines that are needed
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*/
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public void destroy() {
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if (!created) {
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return;
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}
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created = false;
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nDestroy();
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}
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/**
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* Native method the destroy the AL
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*/
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protected native void nDestroy();
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} |