inis

source/funkin/system/CoolUtil.hx

@@ -1,5 +1,6 @@
 package funkin.system;
 
+import flixel.system.FlxSoundGroup;
 import animateatlas.AtlasFrameMaker;
 import haxe.Json;
 import funkin.menus.StoryMenuState.WeekData;
@@ -138,15 +139,29 @@ class CoolUtil
 	public static function playMenuSong(fadeIn:Bool = false) {
 		if (FlxG.sound.music == null || !FlxG.sound.music.playing)
 		{
-			Conductor.reset();
-
-			// TODO: bpm from config
-			Conductor.changeBPM(102);
-			FlxG.sound.playMusic(Paths.music('freakyMenu'), fadeIn ? 0 : 1);
+			playMusic(Paths.music('freakyMenu'), 102, fadeIn ? 0 : 1);
 			if (fadeIn)
 				FlxG.sound.music.fadeIn(4, 0, 0.7);
 		}
 	}
+
+	public static function playMusic(path:String, DefaultBPM:Int = 102, Volume:Int = 1, Looped:Bool = true, ?Group:FlxSoundGroup) {
+		Conductor.reset();
+		FlxG.sound.playMusic(path, Volume, Looped, Group);
+
+		var infoPath = '${Path.withoutExtension(path)}.ini';
+		if (Assets.exists(infoPath)) {
+			var musicInfo = IniUtils.parseAsset(infoPath, [
+				"BPM" => Std.string(DefaultBPM)
+			]);
+			var parsedBPM:Null<Float> = Std.parseFloat(musicInfo["BPM"]);
+			if (parsedBPM == null)
+				Conductor.changeBPM(102);
+			else
+				Conductor.changeBPM(parsedBPM);
+		} else
+			Conductor.changeBPM(102);
+	}
 	/**
 	 * Plays a specified Menu SFX.
 	 * @param menuSFX Menu SFX to play

source/funkin/system/IniUtils.hx

@@ -0,0 +1,41 @@
+package funkin.system;
+
+import openfl.utils.Assets;
+
+/**
+ * DOESNT SUPPORT CATEGORIES YET!!
+ */
+class IniUtils {
+    public static inline function parseAsset(assetPath:String, ?defaultVariables:Map<String, String>)
+        return parseString(Assets.getText(assetPath), defaultVariables);
+
+    public static function parseString(data:String, ?defaultVariables:Map<String, String>) {
+        var trimmed:String;
+        var splitContent = [for(e in data.split("\n")) if ((trimmed = e.trim()) != "") trimmed];
+        
+        var finalMap:Map<String, String> = [];
+        if (defaultVariables != null)
+            for(k=>e in defaultVariables)
+                finalMap[k] = e;
+
+        for(line in splitContent) {
+            // comment
+            if (line.startsWith(";")) continue;
+            // categories; not supported yet
+            if (line.startsWith("[") && line.endsWith("]")) continue;
+
+            var index = line.indexOf("=");
+            var name = line.substr(0, index).trim();
+            var value = line.substr(index+1).trim();
+
+            if (value.startsWith("\"") && value.endsWith("\""))
+                value = value.substr(1, value.length - 2);
+
+            if (value.length == 0 || name.length == 0)
+                continue;
+            
+            finalMap[name] = value;
+        }
+        return finalMap;
+    }
+}