1 /*
2  * Copyright (c) 2002-2008 LWJGL Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met:
8  *
9  * * Redistributions of source code must retain the above copyright
10  *   notice, this list of conditions and the following disclaimer.
11  *
12  * * Redistributions in binary form must reproduce the above copyright
13  *   notice, this list of conditions and the following disclaimer in the
14  *   documentation and/or other materials provided with the distribution.
15  *
16  * * Neither the name of 'LWJGL' nor the names of
17  *   its contributors may be used to endorse or promote products derived
18  *   from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 package org.lwjgl.test.openal;
33 
34 import java.nio.FloatBuffer;
35 
36 import org.lwjgl.BufferUtils;
37 import org.lwjgl.openal.AL;
38 import org.lwjgl.openal.AL10;
39 import org.lwjgl.openal.ALC10;
40 import org.lwjgl.opengl.DisplayMode;
41 
42 /**
43  *
44  * This is a basic test, which contains the most used stuff
45  *
46  * @author Brian Matzon <brian@matzon.dk>
47  * @version $Revision$
48  * $Id$
49  */
50 public abstract class BasicTest {
51 
52   /**
53    * Creates an instance of PlayTest
54    */
BasicTest()55   protected BasicTest() {
56     try {
57     	AL.create();
58 
59     	System.out.println("Default device: " + ALC10.alcGetString(null, ALC10.ALC_DEFAULT_DEVICE_SPECIFIER));
60 
61     	if(ALC10.alcIsExtensionPresent(null, "ALC_ENUMERATION_EXT")) {
62     		String[] devices = ALC10.alcGetString(null, ALC10.ALC_DEVICE_SPECIFIER).split("\0");
63 			System.out.println("Available devices: ");
64     		for(int i=0; i<devices.length; i++) {
65     			System.out.println(i +": " + devices[i]);
66     		}
67     	}
68     } catch (Exception e) {
69     	System.out.println("Unable to create OpenAL.\nPlease make sure that OpenAL is available on this system. Exception: " + e);
70     	return;
71     }
72   }
73 
74   /**
75    * Shutdowns OpenAL
76    */
alExit()77   protected void alExit() {
78     if(AL.isCreated()) {
79       AL.destroy();
80     }
81   }
82 
83   /**
84    * Creates a float buffer to hold specified float array
85    * - strictly a utility method
86    *
87    * @param array to hold
88    * @return created FloatBuffer
89    */
createFloatBuffer(float[] data)90   protected FloatBuffer createFloatBuffer(float[] data) {
91     FloatBuffer temp = BufferUtils.createFloatBuffer(data.length).put(data);
92     temp.flip();
93     return temp;
94   }
95 
96   /**
97    * Pauses the invoking thread for specified milliseconds
98    *
99    * @param time Milliseconds to sleep
100    */
pause(long time)101   protected void pause(long time) {
102     try {
103       Thread.sleep(time);
104     } catch (InterruptedException inte) {
105     }
106   }
107 
108   /**
109    * Exits the test NOW, printing errorcode to stdout
110    *
111    * @param error Error code causing exit
112    */
exit(int error)113   protected void exit(int error) {
114     System.out.println("OpenAL Error: " + AL10.alGetString(error));
115     alExit();
116     System.exit(-1);
117   }
118 
119   /**
120    * Sets the display mode for fullscreen mode
121    */
setDisplayMode()122   protected boolean setDisplayMode() {
123     try {
124 		// get modes
125 		DisplayMode[] dm = org.lwjgl.util.Display.getAvailableDisplayModes(640, 480, -1, -1, -1, -1, 60, 60);
126 
127       org.lwjgl.util.Display.setDisplayMode(dm, new String[] {
128           "width=" + 640,
129           "height=" + 480,
130           "freq=" + 60,
131           "bpp=" + org.lwjgl.opengl.Display.getDisplayMode().getBitsPerPixel()
132          });
133       return true;
134     } catch (Exception e) {
135       e.printStackTrace();
136     }
137 
138     return false;
139   }
140 }
141