a working battle music implementation

src/battle.js

@@ -177,7 +177,9 @@ battle.action.skill = function(skill) {
     actions.showText(skill)
 }
 
-battle.start = function(monsterlist) {
+battle.start = function(monsterlist, musicBattle, musicHuzzah) {
+    battle.musicHuzzah = musicHuzzah
+    battle.musicBattle = musicBattle
     battle.holdAtomStack = engine.atomStack
     engine.atomStack = new Array();
     battle.monster = [];
@@ -204,6 +206,7 @@ battle.start = function(monsterlist) {
     battle.skills = resources.hms.Skills
 
     battle.setOrderStack();
+    bgmusic.play(battle.musicBattle)
     actions.fadeIn('blackFadeIn;doNotKeep')
 
 }
@@ -265,6 +268,7 @@ battle.resolveIfSideDead = function() {
             battle.order.pop();
         }
         battle.ended = true
+        bgmusic.play(battle.musicHuzzah)
         actions.showText("You win!")
         battle.end("win")
         return true
@@ -541,6 +545,10 @@ battle.end = function(battleresult) {
     engine.atomStack.push([function() {
         engine.atomStack = battle.holdAtomStack
     }, ''])
+    battle.holdAtomStack.push([function() {
+        bgmusic.popSong()
+    }, ''])
+
 }
 
 battle.isPartyAlive = function() {

src/bgmusic.js

@@ -2,17 +2,32 @@
 
 bgmusic = {
   setup: function(){
+    this.songStack = [];
     this.playing = '';
   },
-  play: function(song) {
-     if(this.playing != song){
-       if(this.playing in resources.music){
-         resources.music[this.playing].pause();
-       }
-       this.playing = song;
-       resources.music[song].volume = 0.7
-       resources.music[song].currentTime = 0;
-       resources.music[song].play();
-     }
+  play: function(song, volume, currentTime) {
+    volume = (typeof volume === "undefined") ? 0.7 : volume;
+    currentTime = (typeof currentTime === "undefined") ? 0 : currentTime;
+    if(this.playing != song){
+      if(this.playing in resources.music){
+        resources.music[this.playing].pause();
+      }
+
+      this.playing = song;
+      resources.music[song].volume = volume;
+      resources.music[song].currentTime = currentTime;
+      resources.music[song].play();
+    }
+  },
+  pushSong: function(){
+    var song = this.playing;
+    this.songStack.push({ song: song,
+                          volume: resources.music[song].volume,
+                          currentTime: resources.music[song].currentTime,
+                        });
+  },
+  popSong: function(){
+    var sp = this.songStack.pop();
+    this.play(sp.song, sp.volume, sp.currentTime)
   }
 }

src/descriptors/init.json

@@ -35,7 +35,9 @@
     },
     "World": {
         "initLevel": "playerhouse",
-        "initMusic": "opening"
+        "initMusic": "opening",
+        "battleMusic": "battle_1",
+        "battleVictoryMusic": "battle_win"
     },
     "itemsFile": "items.json"
 }

src/engine.js

@@ -480,7 +480,20 @@ engine.actions.subtractItem = function(param) {
 }
 
 engine.actions.battle = function(param) {
-    battle.start(param)
+    var monsterlist = [];
+    var musicBattle = resources.init['World']['battleMusic'];
+    var musicHuzzah = resources.init['World']['battleVictoryMusic'];
+    for(var i=0; i<param.length; i++){
+      if(param[i].indexOf("music:") == 0){
+        musicBattle = value.split('music:')[1];
+      } else if (param[i].indexOf("musicwin:") == 0) {
+        musicHuzzah = value.split('musicwin:')[1];
+      } else {
+        monsterlist.push(param[i]);
+      }
+    }
+    bgmusic.pushSong()
+    battle.start(monsterlist, musicBattle, musicHuzzah)
 }
 
 engine.actions.changeState = function(param) {

src/resources.js

@@ -211,7 +211,8 @@ resources.harvest = function(callback) {
            }, true);
           resources[resDict.to[0]][resDict.to[1]].addEventListener('loadeddata',loadeddata);
           resources[resDict.to[0]][resDict.to[1]].src = resDict.from;
-          resources[resDict.to[0]][resDict.to[1]].load();
+          resources[resDict.to[0]][resDict.to[1]].preload = 'auto';
+          resources[resDict.to[0]][resDict.to[1]].load(); //triggers download for browsers that don't detect change of src
           resDict.isScheduled = true;
         }
     };