Add modcharting features (using FunkinModchart)

FEATURES.md

@@ -79,4 +79,5 @@ _**QOL = Quality of Life**_
 		- Features not found in other editors!
     - Every single state & substate can be modified via HScript (`data/states/StateName.hx`)
 - **Instances launched via `lime test windows` will automatically use assets from source.**
-</details>
+- Modcharting features powered by [FunkinModchart](https://lib.haxe.org/p/funkin-modchart/).
+</details>

README.md

@@ -86,4 +86,5 @@ In the future (when the engine won't be a WIP anymore) we're gonna also publish
 - Credits to the [FlxAnimate](https://github.com/Dot-Stuff/flxanimate) team for the Animate Atlas support
 - Credits to Smokey555 for the backup Animate Atlas to spritesheet code
 - Credits to MAJigsaw77 for [hxvlc](https://github.com/MAJigsaw77/hxvlc) (video cutscene/mp4 support) and [hxdiscord_rpc](https://github.com/MAJigsaw77/hxdiscord_rpc) (discord rpc integration)
+- Credits to [TheoDev](https://github.com/TheoDevelops) for [FunkinModchart](https://lib.haxe.org/p/funkin-modchart/). ***(library used for modcharting features)***
 </details>

libs.xml

@@ -13,6 +13,7 @@
 	<git name="flxanimate" url="https://github.com/CodenameCrew/cne-flxanimate" />
 	<git name="hxdiscord_rpc" url="https://github.com/CodenameCrew/cne-hxdiscord_rpc" />
 	<lib name="hxvlc" version="1.9.3" skipDeps="true" />
+	<lib name="funkin-modchart" />
 
 	<!-- Documentation and other features -->
 	<git name="away3d" url="https://github.com/CodenameCrew/away3d" />

project.xml

@@ -150,6 +150,9 @@
 	<!-- Comment this out to disable dark mode windows -->
 	<define name="DARK_MODE_WINDOW"/>
 
+	<!-- Comment this out to disable modcharting features -->
+	<define name="MODCHARTING_FEATURES"/>
+
 	<haxedef name="VIDEO_CUTSCENES" if="VIDEO_CUTSCENES" />
 	<haxedef name="UPDATE_CHECKING" if="UPDATE_CHECKING" />
 	<haxedef name="DISCORD_RPC" if="DISCORD_RPC" />
@@ -182,6 +185,14 @@
 
 	<!-- _________________________________ Additional stuff _______________________________ -->
 
+	<section if="MODCHARTING_FEATURES">
+		<haxedef name="FM_ENGINE" value="CODENAME"/>
+		<haxedef name="FM_ENGINE_VERSION" value="1.0"/>
+
+		<haxelib name="funkin-modchart" />
+		<haxeflag name="--macro" value="modchart.core.macros.Macro.includeFiles()"/>
+	</section>
+
 	<section if="COMPILE_ALL_CLASSES">
 		<haxeflag name="-dce" value="no" />
 		<haxeflag name="--macro" value="funkin.backend.system.macros.Macros.addAdditionalClasses()" />

source/funkin/options/Options.hx

@@ -35,6 +35,9 @@ class Options
 	public static var songOffset:Float = 0;
 	public static var framerate:Int = 120;
 	public static var gpuOnlyBitmaps:Bool = #if (mac || web) false #else true #end; // causes issues on mac and web
+	#if MODCHARTING_FEATURES
+	public static var hold_subs:Int = 4;
+	#end
 
 	public static var lastLoadedMod:String = null;
 

source/funkin/options/OptionsMenu.hx

@@ -24,6 +24,13 @@ class OptionsMenu extends TreeMenu {
 			desc: 'Change Appearance options such as Flashing menus...',
 			state: AppearanceOptions
 		},
+		#if MODCHARTING_FEATURES
+		{
+			name: 'Modchart Settings >',
+			desc: 'Customize your modcharting experience...',
+			state: ModchartingOptions
+		},
+		#end
 		{
 			name: 'Miscellaneous >',
 			desc: 'Use this menu to reset save data or engine settings.',

source/funkin/options/categories/AppearanceOptions.hx

@@ -56,4 +56,4 @@ class AppearanceOptions extends OptionsScreen {
 		else
 			FlxG.updateFramerate = FlxG.drawFramerate = Std.int(change);
 	}
-}
+}

source/funkin/options/categories/ModchartingOptions.hx

@@ -0,0 +1,17 @@
+package funkin.options.categories;
+
+#if MODCHARTING_FEATURES
+class ModchartingOptions extends OptionsScreen {
+	public override function new() {
+		super("Modcharting Options", "Customize your modcharting experience.");
+		add(new NumOption(
+			"Hold Subdivisions",
+			"Softens the tail/hold/sustain of the arrows by subdividing it, giving them greater quality. By higher the subdivisions number is, performance will be affected.",
+			1, // minimum
+			128, // maximum
+			1, // change
+			"hold_subs" // save name
+			)); // callback
+	}
+}
+#end