add the ALut class from joal only for the current webstart version

1 files changed, 111 insertions, 0 deletions

diff --git a/src/net/java/games/joal/util/ALut.java b/src/net/java/games/joal/util/ALut.java
new file mode 100644
index 0000000..4c10473
--- /dev/null
+++ b/src/net/java/games/joal/util/ALut.java
@@ -0,0 +1,111 @@
+package net.java.games.joal.util;
+
+
+import java.io.BufferedInputStream;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+
+import net.java.games.joal.*;
+
+/**
+ * @author Athomas Goldberg
+ *
+ */
+public final class ALut {
+
+  private static ALC alc;
+  private static ALCdevice device;
+  private static ALCcontext context;
+  private static Thread initializingThread;
+
+  private ALut() { }
+
+  /** Initializes the OpenAL Utility Toolkit, creates an OpenAL
+      context and makes it current on the current thread. The ALut may
+      only be initialized on one thread at any given time. */
+  public static synchronized void alutInit() throws ALException {
+    if (context != null) {
+      throw new ALException("Already initialized on thread " + initializingThread.getName());
+    }
+    if (alc == null) {
+      alc = ALFactory.getALC();
+    }
+    String deviceName = null;
+    ALCdevice d = alc.alcOpenDevice(deviceName);
+    if (d == null) {
+      throw new ALException("Error opening default OpenAL device");
+    }
+    ALCcontext c = alc.alcCreateContext(d, null);
+    if (c == null) {
+      alc.alcCloseDevice(d);
+      throw new ALException("Error creating OpenAL context");
+    }
+    alc.alcMakeContextCurrent(c);
+    if (alc.alcGetError(d) != 0) {
+      alc.alcDestroyContext(c);
+      alc.alcCloseDevice(d);
+      throw new ALException("Error making OpenAL context current");
+    }
+    // Fully initialized; finish setup
+    device = d;
+    context = c;
+    initializingThread = Thread.currentThread();
+  }
+
+  /** Shuts down the OpenAL Utility Toolkit; releases and destroys the
+      internal OpenAL context and closes the output device. Must be
+      called from the same thread as alutInit(). Most applications
+      should not need to call this; only those which wish to toggle
+      sound on / off at run time by initializing and un-initializing
+      OpenAL need to call it. */
+  public static synchronized void alutExit() throws ALException {
+    if (context == null) {
+      throw new ALException("Not initialized");
+    }
+    alc.alcMakeContextCurrent(null);
+    alc.alcDestroyContext(context);
+    alc.alcCloseDevice(device);
+    context = null;
+    device = null;
+    initializingThread = null;
+  }
+
+  public static void alutLoadWAVFile(String fileName,
+                                     int[] format,
+                                     ByteBuffer[] data,
+                                     int[] size,
+                                     int[] freq,
+                                     int[] loop) throws ALException {
+    try {
+      WAVData wd = WAVLoader.loadFromFile(fileName);
+      format[0] = wd.format;
+      data[0] = wd.data;
+      size[0] = wd.size;
+      freq[0] = wd.freq;
+      loop[0] = wd.loop ? AL.AL_TRUE : AL.AL_FALSE;
+    } catch (Exception e) {
+      throw new ALException(e);
+    }
+  }
+
+  public static void alutLoadWAVFile(InputStream stream,
+                                     int[] format,
+                                     ByteBuffer[] data,
+                                     int[] size,
+                                     int[] freq,
+                                     int[] loop) throws ALException {
+    try {
+      if (!(stream instanceof BufferedInputStream)) {
+        stream = new BufferedInputStream(stream);
+      }
+      WAVData wd = WAVLoader.loadFromStream(stream);
+      format[0] = wd.format;
+      data[0] = wd.data;
+      size[0] = wd.size;
+      freq[0] = wd.freq;
+      loop[0] = wd.loop ? AL.AL_TRUE : AL.AL_FALSE;
+    } catch (Exception e) {
+      throw new ALException(e);
+    }
+  }
+}