--- howler.orig.js	Fri May 23 11:52:20 2025
+++ howler.js	Sun May 25 12:46:31 2025
@@ -1,11 +1,12 @@
-/*!
- *  howler.js v2.2.3
- *  howlerjs.com
+/*! 
+ *  @file howler.js v2.2.3 | howlerjs.com
+ *  @version 2.2.3-planeptune
+ *  @author James Simpson
+ *  @copyright 2013-2020, James Simpson of GoldFire Studios | goldfirestudios.com
+ *  @license MIT
  *
- *  (c) 2013-2020, James Simpson of GoldFire Studios
- *  goldfirestudios.com
- *
- *  MIT License
+ *  This version of howler has been modified by zefie, for the Planeptune Loop Player ("Planeptune Edition"), and minified using uglify-js v3.x
+ *  See https://loops.planeptune.org/geshi/source/js/howler.diff.txt for modifications to "Planeptune Edition"
  */
 
 (function() {
@@ -29,6 +30,7 @@
      */
     init: function() {
       var self = this || Howler;
+      console.log('howler v2.2.3-planeptune initialized');
 
       // Create a global ID counter.
       self._counter = 1000;
@@ -61,6 +63,37 @@
       return self;
     },
 
+   /**
+    * Check if this browser is Internet Explorer.
+    * Returns the version if so, otherwise returns false
+    */
+
+  detectIE: function () {
+    var ua = window.navigator.userAgent;
+
+    var msie = ua.indexOf('MSIE ');
+    if (msie > 0) {
+      // IE 10 or older => return version number
+      return parseInt(ua.substring(msie + 5, ua.indexOf('.', msie)), 10);
+    }
+
+    var trident = ua.indexOf('Trident/');
+    if (trident > 0) {
+      // IE 11 => return version number
+      var rv = ua.indexOf('rv:');
+      return parseInt(ua.substring(rv + 3, ua.indexOf('.', rv)), 10);
+    }
+
+    var edge = ua.indexOf('Edge/');
+    if (edge > 0) {
+       // Edge (IE 12+) => return version number
+       return parseInt(ua.substring(edge + 5, ua.indexOf('.', edge)), 10);
+    }
+
+    // other browser
+    return false;
+  },
+
     /**
      * Get/set the global volume for all sounds.
      * @param  {Float} vol Volume from 0.0 to 1.0.
@@ -84,7 +117,7 @@
         }
 
         // When using Web Audio, we just need to adjust the master gain.
-        if (self.usingWebAudio) {
+        if (self._webAudio && !self._html5) {
           self.masterGain.gain.setValueAtTime(vol, Howler.ctx.currentTime);
         }
 
@@ -126,7 +159,7 @@
       self._muted = muted;
 
       // With Web Audio, we just need to mute the master gain.
-      if (self.usingWebAudio) {
+      if (self._webAudio) {
         self.masterGain.gain.setValueAtTime(muted ? 0 : self._volume, Howler.ctx.currentTime);
       }
 
@@ -176,7 +209,7 @@
       }
 
       // Create a new AudioContext to make sure it is fully reset.
-      if (self.usingWebAudio && self.ctx && typeof self.ctx.close !== 'undefined') {
+      if (self._webAudio && self.ctx && typeof self.ctx.close !== 'undefined') {
         self.ctx.close();
         self.ctx = null;
         setupAudioContext();
@@ -208,7 +241,7 @@
       self._autoSuspend();
 
       // Check if audio is available.
-      if (!self.usingWebAudio) {
+      if (!self._webAudio) {
         // No audio is available on this system if noAudio is set to true.
         if (typeof Audio !== 'undefined') {
           try {
@@ -557,8 +590,8 @@
     var self = this;
 
     // Throw an error if no source is provided.
-    if (!o.src || o.src.length === 0) {
-      console.error('An array of source files must be passed with any new Howl.');
+    if (((!o.src || o.src.length === 0) && (!o.arraybuffer || !(o.arraybuffer instanceof ArrayBuffer) || !o.contenttype)) || (o.html5 && !o.src)) {
+      console.error('An array of source files, or an ArrayBuffer+ContentType, must be passed with any new Howl. Also, ArrayBuffer+ContentType are incompatible with html5 mode.');
       return;
     }
 
@@ -588,7 +621,11 @@
       self._preload = (typeof o.preload === 'boolean' || o.preload === 'metadata') ? o.preload : true;
       self._rate = o.rate || 1;
       self._sprite = o.sprite || {};
+      self._buffer = o.arraybuffer || null;
+      self._contenttype = o.contenttype || null;	  
       self._src = (typeof o.src !== 'string') ? o.src : [o.src];
+      self._nextsprite = o.nextsprite || null;
+      self._timeroffset = o.timeroffset || 30;	  
       self._volume = o.volume !== undefined ? o.volume : 1;
       self._xhr = {
         method: o.xhr && o.xhr.method ? o.xhr.method : 'GET',
@@ -598,6 +635,8 @@
 
       // Setup all other default properties.
       self._duration = 0;
+      self._decoded = null;
+      self._hires = null;		  
       self._state = 'unloaded';
       self._sounds = [];
       self._endTimers = {};
@@ -610,6 +649,7 @@
       self._onload = o.onload ? [{fn: o.onload}] : [];
       self._onloaderror = o.onloaderror ? [{fn: o.onloaderror}] : [];
       self._onplayerror = o.onplayerror ? [{fn: o.onplayerror}] : [];
+      self._onspritechange = o.onspritechange ? [{fn: o.onspritechange}] : [];	    
       self._onpause = o.onpause ? [{fn: o.onpause}] : [];
       self._onplay = o.onplay ? [{fn: o.onplay}] : [];
       self._onstop = o.onstop ? [{fn: o.onstop}] : [];
@@ -662,7 +702,14 @@
         self._emit('loaderror', null, 'No audio support.');
         return;
       }
-
+    
+      if (self._buffer instanceof ArrayBuffer && !self._html5) {
+        if (!self._src) {
+          url = ['internal_buffer'];
+          self._src = url;
+        }
+      }
+    
       // Make sure our source is in an array.
       if (typeof self._src === 'string') {
         self._src = [self._src];
@@ -684,7 +731,11 @@
           }
 
           // Extract the file extension from the URL or base64 data URI.
-          ext = /^data:audio\/([^;,]+);/i.exec(str);
+          if (self._contenttype) {
+            ext = self._contenttype.split("/")[1];        
+          } else {
+            ext = /^data:audio\/([^;,]+);/i.exec(str);
+          }
           if (!ext) {
             ext = /\.([^.]+)$/.exec(str.split('?', 1)[0]);
           }
@@ -869,10 +920,15 @@
           } else {
             sound._loop ? node.bufferSource.start(0, seek, 86400) : node.bufferSource.start(0, seek, duration);
           }
+		  
+		  if (Howler.detectIE() == 11) {
+			// IE11 Workaround where rate gets reset
+			node.playbackRate = sound._rate;
+		  }		  
 
           // Start a new timer if none is present.
           if (timeout !== Infinity) {
-            self._endTimers[sound._id] = setTimeout(self._ended.bind(self, sound), timeout);
+            self._endTimers[sound._id] = setTimeout(self._ended.bind(self, sound), (timeout - self._timeroffset));
           }
 
           if (!internal) {
@@ -1563,6 +1619,10 @@
             var seek = self.seek(id[i]);
             var duration = ((self._sprite[sound._sprite][0] + self._sprite[sound._sprite][1]) / 1000) - seek;
             var timeout = (duration * 1000) / Math.abs(sound._rate);
+      
+            if (self._webAudio) {
+               timeout = timeout - self._timeroffset;
+            }
 
             // Start a new end timer if sound is already playing.
             if (self._endTimers[id[i]] || !sound._paused) {
@@ -1639,14 +1699,44 @@
         if (typeof seek === 'number' && seek >= 0) {
           // Pause the sound and update position for restarting playback.
           var playing = self.playing(id);
-          if (playing) {
-            self.pause(id, true);
+          var sprite = sound._sprite;
+          sound._rateSeek = 0;
+
+          var soundDuration = ((self._sprite[sprite][0] + self._sprite[sprite][1]) / 1000);
+          if (seek > soundDuration) {
+            seek = 0;
+          }
+
+          if (playing && !self._webAudio) {
+            self.pause(id, true);    
           }
 
           // Move the position of the track and cancel timer.
           sound._seek = seek;
           sound._ended = false;
           self._clearTimer(id);
+		  
+   
+          // Restart the playback if the sound was playing.
+          if (playing && self._webAudio) {
+            var oldbuffer = sound._node.bufferSource;
+            self._refreshBuffer(sound);
+            sound._playStart = Howler.ctx.currentTime;
+            if (typeof sound._node.bufferSource.start === 'undefined') {
+              sound._node.bufferSource.noteGrainOn(0, seek);
+            } else {
+              sound._node.bufferSource.start(0, seek);
+            }
+            if (oldbuffer) {
+              oldbuffer.stop();
+              oldbuffer = null;
+            }
+            var duration = soundDuration - seek;
+            var timeout = (duration * 1000) / Math.abs(sound._rate);
+            if (timeout !== Infinity) {
+              self._endTimers[id] = setTimeout(self._ended.bind(self, sound), (timeout - self._timeroffset));
+            }      
+          }
 
           // Update the seek position for HTML5 Audio.
           if (!self._webAudio && sound._node && !isNaN(sound._node.duration)) {
@@ -1683,6 +1773,10 @@
             return sound._seek + (rateSeek + realTime * Math.abs(sound._rate));
           } else {
             return sound._node.currentTime;
+            // Workaround for IE11 reseting the rate
+            if (Howler.detectIE() == 11) {
+              self.rate(sound._rate,id);
+            }			
           }
         }
       }
@@ -1944,6 +2038,17 @@
     },
 
     /**
+     * Fired when playback is switched to another sprite with nextsprite
+     * @param  {Sound} sound The sound object to work with.
+     * @return {Howl}
+     */  
+   
+    _onspritechange: function (sound) {
+      var self = this;
+      return self;
+    },
+  
+    /**
      * Fired when playback ends at the end of the duration.
      * @param  {Sound} sound The sound object to work with.
      * @return {Howl}
@@ -1968,18 +2073,57 @@
 
       // Restart the playback for HTML5 Audio loop.
       if (!self._webAudio && loop) {
-        self.stop(sound._id, true).play(sound._id);
+        if (self._nextsprite && sound._sprite != self._nextsprite) {
+          sprite = self._nextsprite;
+          self._nextsprite = null;
+          sound._sprite = sprite; // this line may be redundant
+          self.stop(sound._id, true).play(sprite);
+          self._emit('spritechange',sound);
+        } else {
+          self.stop(sound._id, true).play(sound._id);
+        }
       }
 
       // Restart this timer if on a Web Audio loop.
       if (self._webAudio && loop) {
-        self._emit('play', sound._id);
-        sound._seek = sound._start || 0;
-        sound._rateSeek = 0;
-        sound._playStart = Howler.ctx.currentTime;
-
-        var timeout = ((sound._stop - sound._start) * 1000) / Math.abs(sound._rate);
-        self._endTimers[sound._id] = setTimeout(self._ended.bind(self, sound), timeout);
+        var currpos = Math.round(self.seek() * 1000);
+        var wanted = self._sprite[sprite][0] + self._sprite[sprite][1];
+        var offset = (currpos - wanted);
+        self._clearTimer(sound._id);
+        if (offset < -6) {
+          // "hi-res" mode
+          if (!self._hires) {
+            console.log("entering hi-res emulation mode");
+            self._hires = setInterval(self._ended.bind(self, sound), 1);
+          }
+          return false;
+        }
+
+        if (self._hires) {
+          console.log("exiting hi-res emulation mode");
+          clearInterval(self._hires)
+          self._hires = null;
+        }
+        console.log("howler: end timer fired. playtime was "+currpos+"ms, expected "+wanted+"ms ("+offset+"ms off)");    
+        sound._rateSeek = 0;    
+        sound._playStart = Howler.ctx.currentTime;  
+        if (self._nextsprite && sound._sprite != self._nextsprite) {
+          // manually change sprite
+          sprite = self._nextsprite;
+          self._nextsprite = null;
+          sound._sprite = sprite;      
+          self._emit('spritechange',sound);      
+          sound._start = self._sprite[sprite][0] / 1000;
+          sound._stop = (self._sprite[sprite][0] + self._sprite[sprite][1]) / 1000;
+          sound._loop = loop;
+          sound._seek = sound._start || 0;
+          self.seek(sound._seek,sound._id);
+        } else {
+          self._emit('play', sound._id);
+          sound._seek = sound._start || 0;
+          var timeout = ((sound._stop - sound._start) * 1000) / Math.abs(sound._rate);
+          self._endTimers[sound._id] = setTimeout(self._ended.bind(self, sound), (timeout - self._timeroffset));      
+        }
       }
 
       // Mark the node as paused.
@@ -2378,6 +2522,11 @@
    */
   var loadBuffer = function(self) {
     var url = self._src;
+  
+    if (self._buffer instanceof ArrayBuffer && !self._html5) {
+      decodeAudioData(self._buffer, self);
+      return;
+    }
 
     // Check if the buffer has already been cached and use it instead.
     if (cache[url]) {
@@ -2472,9 +2621,9 @@
 
     // Decode the buffer into an audio source.
     if (typeof Promise !== 'undefined' && Howler.ctx.decodeAudioData.length === 1) {
-      Howler.ctx.decodeAudioData(arraybuffer).then(success).catch(error);
+      Howler.ctx.decodeAudioData(arraybuffer.slice(0)).then(success).catch(error);
     } else {
-      Howler.ctx.decodeAudioData(arraybuffer, success, error);
+      Howler.ctx.decodeAudioData(arraybuffer.slice(0), success, error);
     }
   }
 
@@ -2496,6 +2645,7 @@
 
     // Fire the loaded event.
     if (self._state !== 'loaded') {
+      self._decoded = buffer;
       self._state = 'loaded';
       self._emit('load');
       self._loadQueue();