Audio renaming (still need to find sound effect audio)

Identified the probable cause of the display thread death HDToolKit.bufferSwap. There's an error that gets thrown when the user exits the client without going through the proper way to do so which is unacceptable. A band-aid has been applied.

Client/src/main/java/org/runite/client/SynthSound.java

@@ -0,0 +1,101 @@
+package org.runite.client;
+
+final class SynthSound {
+
+    private final SynthInstrument[] synthInstruments = new SynthInstrument[10];
+    private int end;
+    private int start;
+
+    private SynthSound(DataBuffer buffer) {
+        for (int var2 = 0; var2 < 10; ++var2) {
+            int waveTable = buffer.readUnsignedByte();
+            if (waveTable != 0) {
+                --buffer.index;
+                this.synthInstruments[var2] = new SynthInstrument();
+                this.synthInstruments[var2].decode(buffer);
+            }
+        }
+
+        this.start = buffer.readUnsignedShort();
+        this.end = buffer.readUnsignedShort();
+    }
+
+    static SynthSound create(CacheIndex var0, int var1, int var2) {
+        byte[] var3 = var0.getFile(var1, var2);
+        return var3 == null ? null : new SynthSound(new DataBuffer(var3));
+    }
+
+    private byte[] getSamples() {
+        int var1 = 0;
+
+        int var2;
+        for (var2 = 0; var2 < 10; ++var2) {
+            if (this.synthInstruments[var2] != null && this.synthInstruments[var2].duration + this.synthInstruments[var2].start > var1) {
+                var1 = this.synthInstruments[var2].duration + this.synthInstruments[var2].start;
+            }
+        }
+
+        if (var1 == 0) {
+            return new byte[0];
+        } else {
+            var2 = 22050 * var1 / 1000;
+            byte[] var3 = new byte[var2];
+
+            for (int var4 = 0; var4 < 10; ++var4) {
+                if (this.synthInstruments[var4] != null) {
+                    int var5 = this.synthInstruments[var4].duration * 22050 / 1000;
+                    int var6 = this.synthInstruments[var4].start * 22050 / 1000;
+                    int[] var7 = this.synthInstruments[var4].synthesize(var5, this.synthInstruments[var4].duration);
+
+                    for (int var8 = 0; var8 < var5; ++var8) {
+                        int var9 = var3[var8 + var6] + (var7[var8] >> 8);
+                        if ((var9 + 128 & -256) != 0) {
+                            var9 = var9 >> 31 ^ 127;
+                        }
+
+                        var3[var8 + var6] = (byte) var9;
+                    }
+                }
+            }
+
+            return var3;
+        }
+    }
+
+    final PcmSound toPCMSound() {
+        byte[] var1 = this.getSamples();
+        return new PcmSound(var1, 22050 * this.start / 1000, 22050 * this.end / 1000);
+    }
+
+    final int getStart() {
+        int start = 9999999;
+
+        for (int var2 = 0; var2 < 10; ++var2) {
+            if (this.synthInstruments[var2] != null && this.synthInstruments[var2].start / 20 < start) {
+                start = this.synthInstruments[var2].start / 20;
+            }
+        }
+
+        if (this.start < this.end && this.start / 20 < start) {
+            start = this.start / 20;
+        }
+
+        if (start == 9999999 || start == 0) {
+            return 0;
+        } else {
+            for (int var2 = 0; var2 < 10; ++var2) {
+                if (this.synthInstruments[var2] != null) {
+                    this.synthInstruments[var2].start -= start * 20;
+                }
+            }
+
+            if (this.start < this.end) {
+                this.start -= start * 20;
+                this.end -= start * 20;
+            }
+
+            return start;
+        }
+    }
+
+}