From 4486bb67a903335acf46b576e7f2ce0110fbcd0a Mon Sep 17 00:00:00 2001
From: DaniTheSkunk <noreply@danitheskunk.com>
Date: Wed, 12 Oct 2022 06:23:19 +0000
Subject: [PATCH] testing audio stuffs

---
 .idea/artifacts/skunkworks_jar.xml         |  2 +
 .idea/libraries/lwjgl.xml                  |  3 +
 com/danitheskunk/skunkworks/TestSound.java | 76 ++++++++++++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 com/danitheskunk/skunkworks/TestSound.java

diff --git a/.idea/artifacts/skunkworks_jar.xml b/.idea/artifacts/skunkworks_jar.xml
index f4332cc..ce8ca44 100644
--- a/.idea/artifacts/skunkworks_jar.xml
+++ b/.idea/artifacts/skunkworks_jar.xml
@@ -13,6 +13,8 @@
       <element id="extracted-dir" path="$PROJECT_DIR$/lib/lwjgl/lwjgl.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/lib/jna/jna-5.12.1.jar" path-in-jar="/" />
       <element id="extracted-dir" path="$PROJECT_DIR$/lib/jna/jna-platform-5.12.1.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$PROJECT_DIR$/lib/lwjgl/lwjgl-openal-natives-windows.jar" path-in-jar="/" />
+      <element id="extracted-dir" path="$PROJECT_DIR$/lib/lwjgl/lwjgl-openal.jar" path-in-jar="/" />
     </root>
   </artifact>
 </component>
\ No newline at end of file
diff --git a/.idea/libraries/lwjgl.xml b/.idea/libraries/lwjgl.xml
index e577f96..5d1470d 100644
--- a/.idea/libraries/lwjgl.xml
+++ b/.idea/libraries/lwjgl.xml
@@ -9,12 +9,15 @@
       <root url="jar://$PROJECT_DIR$/lib/lwjgl/lwjgl-stb-natives-windows.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/lwjgl/lwjgl-stb.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/lwjgl/lwjgl.jar!/" />
+      <root url="jar://$PROJECT_DIR$/lib/lwjgl/lwjgl-openal-natives-windows.jar!/" />
+      <root url="jar://$PROJECT_DIR$/lib/lwjgl/lwjgl-openal.jar!/" />
     </CLASSES>
     <JAVADOC>
       <root url="jar://$PROJECT_DIR$/lib/lwjgl/lwjgl-glfw-javadoc.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/lwjgl/lwjgl-javadoc.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/lwjgl/lwjgl-opengl-javadoc.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/lwjgl/lwjgl-stb-javadoc.jar!/" />
+      <root url="jar://$PROJECT_DIR$/lib/lwjgl/lwjgl-openal-javadoc.jar!/" />
     </JAVADOC>
     <SOURCES />
   </library>
diff --git a/com/danitheskunk/skunkworks/TestSound.java b/com/danitheskunk/skunkworks/TestSound.java
new file mode 100644
index 0000000..da74d6e
--- /dev/null
+++ b/com/danitheskunk/skunkworks/TestSound.java
@@ -0,0 +1,76 @@
+package com.danitheskunk.skunkworks;
+
+import org.lwjgl.openal.AL;
+import org.lwjgl.openal.ALC;
+
+import javax.sound.sampled.*;
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.IntBuffer;
+
+import static org.lwjgl.openal.AL10.*;
+import static org.lwjgl.openal.ALC10.*;
+
+public class TestSound {
+	public static void main(String args[]) {
+		var device = alcOpenDevice((ByteBuffer) null);
+		if(device == 0) {
+			throw new RuntimeException("couldn't init openal device");
+		}
+		var deviceCaps = ALC.createCapabilities(device);
+		var context = alcCreateContext(device, (IntBuffer) null);
+		if(context == 0) {
+			throw new RuntimeException("couldn't create openal context");
+		}
+		alcMakeContextCurrent(context);
+		AL.createCapabilities(deviceCaps);
+
+		var buf = alGenBuffers();
+		int sampleRate = 44100;
+		var samples = new short[sampleRate * 2];
+		for(int i = 0; i < samples.length; ++i) {
+			var s = Math.sin(2 * Math.PI * 220 * i / (double) sampleRate);
+			var s2 = Math.sin(2 * Math.PI * 440 * i / (double) sampleRate +
+				s * 10 * (88200 - i) / 88200);
+			//s = s * s2 * i / 88200;
+			s = s2 * (88200 - i) / 88200;
+			samples[i] = (short) (s * 32760);
+		}
+
+		var bb = ByteBuffer.allocate(samples.length * 2);
+		for(int i = 0; i < samples.length; ++i) {
+			bb.putShort(samples[i]);
+		}
+
+		var bytes = bb.array();
+
+		AudioInputStream audio;
+		var format = new AudioFormat(sampleRate, 16, 1, true, true);
+		audio = new AudioInputStream(
+			new ByteArrayInputStream(bytes),
+			format,
+			bytes.length
+		);
+		try {
+			AudioSystem.write(audio,
+				AudioFileFormat.Type.WAVE,
+				new File("meow.wav")
+			);
+		} catch(IOException e) {
+			throw new RuntimeException(e);
+		}
+
+		alBufferData(buf, AL_FORMAT_MONO16, samples, sampleRate);
+
+		var src = alGenSources();
+		alSourcei(src, AL_BUFFER, buf);
+		alSourcePlay(src);
+		try {
+			Thread.sleep(3000);
+		} catch(InterruptedException e) {
+			throw new RuntimeException(e);
+		}
+	}
+}