Bring dev/scripted-game-modes

Author: NexIsDumb

assets/data/gamemodes/botplay.json

@@ -0,0 +1,4 @@
+{
+	"displayName": "Botplay Mode",
+	"modeID": "codename.botplay"
+}

assets/data/gamemodes/coop-switched.json

@@ -0,0 +1,5 @@
+{
+	"displayName": "Co-Op Mode (Switched)",
+	"modeID": "codename.coop-opponent",
+	"scripts": ["opponent", "coop"]
+}

assets/data/gamemodes/coop.json

@@ -0,0 +1,4 @@
+{
+	"displayName": "Co-Op Mode",
+	"modeID": "codename.coop"
+}

assets/data/gamemodes/list.txt

@@ -0,0 +1,5 @@
+solo
+opponent
+coop
+coop-switched
+botplay

assets/data/gamemodes/opponent.json

@@ -0,0 +1,4 @@
+{
+	"displayName": "Opponent Mode",
+	"modeID": "codename.opponent"
+}

assets/data/gamemodes/solo.json

@@ -0,0 +1,4 @@
+{
+	"displayName": "Solo Mode",
+	"modeID": "codename.solo"
+}

source/funkin/backend/chart/Chart.hx

@@ -97,6 +97,41 @@ class Chart {
 		data.setFieldDefault("vocalsSuffix", "");
 		data.setFieldDefault("needsVoices", true);
 		data.setFieldDefault("difficulties", []);
+
+		var songNameLower = songName.toLowerCase();
+		var metaPath = Paths.file('songs/${songNameLower}/meta.json');
+		var metaDiffPath = Paths.file('songs/${songNameLower}/meta-${difficulty.toLowerCase()}.json');
+
+		var blacklist:Array<String> = [];
+		var data:ChartMetaData = null;
+		var fromMods:Bool = fromMods;
+		for (path in [metaDiffPath, metaPath]) {
+			if (Assets.exists(path)) {
+				fromMods = Paths.assetsTree.existsSpecific(path, "TEXT", MODS);
+				try {
+					var temp = CoolUtil.parseJson(path);
+
+					// Backwards compatibility (they both can be null so != true)  - Nex
+					var coopExlc = false;
+					if (Reflect.hasField(temp, "coopAllowed") && Reflect.field(temp, "coopAllowed") != true) {
+						blacklist = blacklist.concat(["codename.coop", "codename.coop-opponent"]);
+						Reflect.deleteField(temp, "coopAllowed");
+						coopExlc = true;
+					}
+					if (Reflect.hasField(temp, "opponentModeAllowed") && Reflect.field(temp, "opponentModeAllowed") != true) {
+						if (!coopExlc) blacklist.push("codename.coop-opponent");
+						blacklist.push("codename.opponent");
+						Reflect.deleteField(temp, "opponentModeAllowed");
+					}
+
+					data = temp;
+				} catch(e) {
+					Logs.trace('Failed to load song metadata for ${songName} ($path): ${Std.string(e)}', ERROR);
+				}
+				if (data != null) break;
+			}
+		}
+		data.setFieldDefault("excludedGameModes", blacklist);
 		data.setFieldDefault("variants", []);
 		data.setFieldDefault("metas", []);
 

source/funkin/backend/chart/ChartData.hx

@@ -32,8 +32,7 @@ typedef ChartMetaData = {
 	public var ?icon:String;
 	public var ?color:FlxColor;
 
-	public var ?coopAllowed:Bool;
-	public var ?opponentModeAllowed:Bool;
+	public var ?excludedGameModes:Array<String>;
 
 	public var ?metas:Map<String, ChartMetaData>;
 	public var ?instSuffix:String;

source/funkin/backend/scripting/Script.hx

@@ -402,4 +402,4 @@ class Script extends FlxBasic implements IFlxDestroyable {
 	 * Called when the script is loaded.
 	 */
 	public function onLoad() {}
-}
+}

source/funkin/backend/scripting/events/menu/freeplay/FreeplaySongSelectEvent.hx

@@ -1,5 +1,7 @@
 package funkin.backend.scripting.events.menu.freeplay;
 
+import funkin.menus.FreeplayState.FreeplayGameMode;
+
 final class FreeplaySongSelectEvent extends CancellableEvent {
 	/**
 	 * Song name that is about to be played
@@ -14,11 +16,26 @@ final class FreeplaySongSelectEvent extends CancellableEvent {
 	 */
 	public var variant:String;
 	/**
-	 * Whenever opponent mode is enabled or not.
-	 */
-	public var opponentMode:Bool;
-	/**
-	 * Whenever coop mode is enabled.
+	 * Used game mode's data.
 	 */
-	public var coopMode:Bool;
+	public var gameMode:FreeplayGameMode;
+
+
+	// Backwards compat
+	@:noCompletion public var opponentMode(get, set):Bool;
+	@:noCompletion private function get_opponentMode() return gameMode.modeID == "codename.opponent" || gameMode.modeID == "codename.coop-opponent";
+	@:noCompletion private function set_opponentMode(val:Bool) {
+		gameMode = coopMode ?
+			(val ? new FreeplayGameMode("Co-Op Mode (Switched)", "codename.coop-opponent", ["coop-switched", "opponent", "coop"]) : new FreeplayGameMode("Opponent Mode", "codename.opponent", ["opponent"])) :
+			(val ? new FreeplayGameMode("Opponent Mode", "codename.opponent", ["opponent"]) : null);
+		return val;
+	}
+	@:noCompletion public var coopMode(get, set):Bool;
+	@:noCompletion private function get_coopMode() return gameMode.modeID == "codename.coop" || gameMode.modeID == "codename.coop-opponent";
+	@:noCompletion private function set_coopMode(val:Bool) {
+		gameMode = opponentMode ?
+			(val ? new FreeplayGameMode("Co-Op Mode (Switched)", "codename.coop-opponent", ["coop-switched", "opponent", "coop"]) : new FreeplayGameMode("Co-Op Mode", "codename.coop", ["coop"])) :
+			(val ? new FreeplayGameMode("Co-Op Mode", "codename.coop", ["coop"]) : null);
+		return val;
+	}
 }