feat(studio,stacking,animations,collections): M16 ModBison Studio, object stacking, model animations, and poly collections for MVP 2

scripts/main_menu.gd

@@ -102,6 +102,11 @@ static func _update_sound_button(btn: Button) -> void:
 
 
 func _ready() -> void:
+	for arg in OS.get_cmdline_args():
+		if arg == "--studio" or arg == "-studio":
+			get_tree().change_scene_to_file("res://scenes/studio/studio_main.tscn")
+			return
+
 	var v := Label.new()
 	var bl := _build_label()
 	v.text = bl if bl.begins_with("MVP Build") or bl == "dev" else ("build %s" % bl)
@@ -235,6 +240,19 @@ func _ready() -> void:
 	_selling_button = $CenterContainer/VBoxContainer.get_node_or_null("SellingButton")
 	_quit_button = $CenterContainer/VBoxContainer/QuitButton
 
+	var studio_btn := Button.new()
+	studio_btn.name = "StudioButton"
+	studio_btn.text = "🦬 ModBison Studio"
+	studio_btn.add_theme_color_override("font_color", Color(1.0, 0.9, 0.35))
+	studio_btn.pressed.connect(func():
+		get_tree().change_scene_to_file("res://scenes/studio/studio_main.tscn")
+	)
+	var vb = $CenterContainer/VBoxContainer
+	if vb != null:
+		vb.add_child(studio_btn)
+		if _play_button != null:
+			vb.move_child(studio_btn, _play_button.get_index() + 1)
+
 	# Default to navigation being gated. When a token exists, the async session
 	# check below may take several frames (a real get_me() round-trip);
 	# keeping the button disabled until validation succeeds prevents a fast