P4 hazards: food spoilage with rot speed setting, smoking rack and salt, food poisoning, harsher blizzards, hard winters with lake ice, lightning on trees, snow on roofs (protocol 11)

scripts/ui/title_screen.gd

@@ -8,6 +8,9 @@ const WORLD_SCENE := "res://scenes/world.tscn"
 var _pages: Dictionary = {}     ## name -> Control
 var _name_edit: LineEdit
 var _seed_edit: LineEdit
+var _rot_pick: OptionButton
+## [setting, what the New World page calls it]
+const ROT_CHOICES := [["normal", "Normally (raw meat lasts 2 days)"], ["slow", "Slowly (twice as long)"], ["off", "Never"]]
 var _list: VBoxContainer
 var _armed_delete := ""
 
@@ -181,6 +184,7 @@ func _show(page: String) -> void:
 	elif page == "new":
 		_name_edit.text = _unique_name()
 		_seed_edit.text = ""
+		_rot_pick.select(0)
 		_name_edit.grab_focus()
 		_name_edit.select_all()
 
@@ -571,6 +575,12 @@ func _new_page() -> Control:
 	_seed_edit.custom_minimum_size = Vector2(360, 40)
 	_seed_edit.text_submitted.connect(func(_t): _create())
 	v.add_child(_seed_edit)
+	v.add_child(UITheme.label("Food spoils", 15, UITheme.TEXT_DIM))
+	_rot_pick = OptionButton.new()
+	for t in ROT_CHOICES:
+		_rot_pick.add_item(t[1])
+	_rot_pick.custom_minimum_size = Vector2(360, 36)
+	v.add_child(_rot_pick)
 	var h := HBoxContainer.new()
 	h.add_theme_constant_override("separation", 10)
 	h.add_child(_button("Create & Play", _create, 170))
@@ -660,7 +670,8 @@ func _create() -> void:
 		world_name = _unique_name()
 	var seed_text := _seed_edit.text.strip_edges()
 	var seed := int(seed_text) if seed_text.is_valid_int() else (seed_text.hash() if not seed_text.is_empty() else randi())
-	_play(Saves.create_world(world_name, seed))
+	var rot: String = ROT_CHOICES[maxi(_rot_pick.selected, 0)][0]
+	_play(Saves.create_world(world_name, seed, {"rot": rot}))
 
 func _play(id: String) -> void:
 	Saves.current_id = id