mobile support tweaks

controls_manager.gd

@@ -25,6 +25,36 @@ func _ready() -> void:
 	load_saved()
 
 
+# ── Web fullscreen + landscape lock ─────────────────────────────────────────────
+# Browsers only allow requestFullscreen / screen.orientation.lock from inside a user
+# gesture, so we piggyback on the first tap/click of the web build to go fullscreen and
+# lock to landscape. One-shot; input still flows to the menu/game normally (never consumed).
+var _fs_triggered: bool = false
+
+
+func _input(event: InputEvent) -> void:
+	if _fs_triggered or not OS.has_feature("web"):
+		return
+	var gesture := (event is InputEventScreenTouch and (event as InputEventScreenTouch).pressed) \
+		or (event is InputEventMouseButton and (event as InputEventMouseButton).pressed)
+	if gesture:
+		_fs_triggered = true
+		request_fullscreen_landscape()
+
+
+## Enter browser fullscreen and lock to landscape. Must be called from a user-gesture
+## context (first tap, or a button press). No-op off web. Android Chrome/Brave honour the
+## orientation lock; iOS Safari ignores it (unsupported), so the .catch() swallows the reject.
+func request_fullscreen_landscape() -> void:
+	if not OS.has_feature("web"):
+		return
+	DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_FULLSCREEN)
+	JavaScriptBridge.eval(
+		"(function(){function l(){try{if(screen.orientation&&screen.orientation.lock)"
+		+ "screen.orientation.lock('landscape').catch(function(){});}catch(e){}}"
+		+ "l();document.addEventListener('fullscreenchange',l,{once:true});})()", true)
+
+
 ## Whether to drive the game with the on-screen touch UI (joystick + buttons)
 ## instead of keyboard hints. Platform detection is cached (it can't change mid-run)
 ## so the per-frame/per-input callers don't repay the cost — but the DP force flag is