Adds a limit to the amount of boxes and a way to upgrade the limit

src/Box Number.gd

@@ -0,0 +1,29 @@
+extends Control
+onready var button = $Buy
+onready var text = $Popup/Earnings
+onready var popup = $Popup
+
+var level: int = 1
+var ball: bool = false
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	Data.connect("update_game_interface", self, "update_interface")
+	update_interface()
+
+func update_interface() -> void: # Updates the buttons data
+	button.text = "Purchase 10 more boxes for %s" % Data.beautify(Data.box_number_cost())
+	text.text = "You have %s of %s boxes" % [Data.box_number(), Data.box_limit]
+	button.disabled = Data.box_number_cost() > Data.money
+
+func _on_Buy_button_up() -> void: # Used to pruchase
+	var _cost = Data.box_number_cost()
+	if _cost <= Data.money:
+		Data.box_limit += 10
+		Data.money -= _cost
+
+func _on_Buy_mouse_entered() -> void:
+	popup.show()
+
+func _on_Buy_mouse_exited() -> void:
+	popup.hide()

src/Data.gd

@@ -16,6 +16,7 @@ var balls = [[200.0, 10.0]]
 var multiplier = 1
 var speed_multiplier = 1
 var duplicaters_duplicate = false
+var box_limit = 10
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
@@ -35,6 +36,7 @@ func _ready() -> void:
 			balls = _data["balls"]
 			money = _data["money"]
 			cost = _data["cost"]
+			box_limit = _data["box_limit"]
 			ball_upgrades = _data["ball_upgrades"]
 			for x in _data["boxes"]: # Loads every box available
 				var _instance = load("res://src/box.tscn")
@@ -69,6 +71,7 @@ func save() -> void: # Used to save the game
 	var _save_data = to_json({
 		"money" : floor(money),
 		"boxes" : boxes,
+		"box_limit" : box_limit,
 		"cost" : cost,
 		"ball_upgrades" : ball_upgrades,
 		"balls" : balls,
@@ -102,11 +105,14 @@ func spawn_ball(level: int) -> void: # Used to spawn a new ball
 	_instance.level = level
 	get_node("/root/Main/Game Field").call_deferred("add_child", _instance)
 
-func box_number(level: int) -> int: # Returns the number of boxes that are at that level. You can also put in 0 to get the number of boxes
+func box_number(level: int = 0) -> int: # Returns the number of boxes that are at that level. You can also put in 0 to get the number of boxes
 	if level == 0:
 		return len(boxes)
 	var _count = 0
 	for x in boxes:
 		if x[1] == level:
 			_count += 1
 	return _count
+
+func box_number_cost() -> float: # Returns the current cost for a new box
+	return floor(pow(10, box_limit / 10)) 

src/Main.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=10 format=2]
+[gd_scene load_steps=11 format=2]
 
 [ext_resource path="res://assets/black.png" type="Texture" id=1]
 [ext_resource path="res://src/Main.gd" type="Script" id=2]
+[ext_resource path="res://src/Box Number.gd" type="Script" id=3]
 [ext_resource path="res://src/MPS Calculator.gd" type="Script" id=4]
 [ext_resource path="res://assets/main_theme.tres" type="Theme" id=5]
 [ext_resource path="res://src/spinner.tscn" type="PackedScene" id=6]
@@ -67,15 +68,55 @@ __meta__ = {
 }
 
 [node name="VBoxContainer" type="VBoxContainer" parent="ScrollContainer"]
-margin_right = 105.0
-margin_bottom = 31.0
+margin_right = 422.0
+margin_bottom = 92.0
 
 [node name="Label" type="Label" parent="ScrollContainer/VBoxContainer"]
-margin_right = 105.0
+margin_right = 422.0
 margin_bottom = 31.0
 theme = ExtResource( 5 )
 text = "Box Shop"
 
+[node name="Box Number" type="Control" parent="ScrollContainer/VBoxContainer"]
+margin_top = 35.0
+margin_right = 422.0
+margin_bottom = 92.0
+rect_min_size = Vector2( 422, 57 )
+theme = ExtResource( 5 )
+script = ExtResource( 3 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Buy" type="Button" parent="ScrollContainer/VBoxContainer/Box Number"]
+margin_right = 418.0
+margin_bottom = 51.0
+rect_min_size = Vector2( 0, 51 )
+theme = ExtResource( 5 )
+text = "Purchase 10 more boxes for %s"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Popup" type="PopupDialog" parent="ScrollContainer/VBoxContainer/Box Number"]
+anchor_left = 1.0
+anchor_right = 1.0
+margin_left = -366.0
+margin_bottom = 51.0
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Earnings" type="Label" parent="ScrollContainer/VBoxContainer/Box Number/Popup"]
+margin_left = 12.0
+margin_top = 11.0
+margin_right = 363.0
+margin_bottom = 45.0
+text = "You have %s of %s boxes"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
 [node name="Ball" type="ScrollContainer" parent="."]
 visible = false
 margin_top = 431.0
@@ -162,6 +203,9 @@ wait_time = 0.25
 autostart = true
 script = ExtResource( 4 )
 
+[connection signal="button_up" from="ScrollContainer/VBoxContainer/Box Number/Buy" to="ScrollContainer/VBoxContainer/Box Number" method="_on_Buy_button_up"]
+[connection signal="mouse_entered" from="ScrollContainer/VBoxContainer/Box Number/Buy" to="ScrollContainer/VBoxContainer/Box Number" method="_on_Buy_mouse_entered"]
+[connection signal="mouse_exited" from="ScrollContainer/VBoxContainer/Box Number/Buy" to="ScrollContainer/VBoxContainer/Box Number" method="_on_Buy_mouse_exited"]
 [connection signal="button_up" from="Save Button" to="." method="_on_Save_Button_button_up"]
 [connection signal="button_up" from="Reset" to="." method="_on_Reset_button_up"]
 [connection signal="timeout" from="Save" to="." method="_on_Save_timeout"]

src/box.gd

@@ -15,6 +15,7 @@ func _ready() -> void:
 			Data.first_animation = startAnimation
 		id = [animation.current_animation_position - Data.first.current_animation_position + Data.first_animation, level]
 		Data.boxes.append(id)
+		Data.money += 0
 		var _sprite: Sprite = $Node2D/Sprite
 		_sprite.set_modulate(Color.from_hsv((120+20*level)/360.0, 0.9, 1, 1))
 
@@ -35,4 +36,5 @@ func delete() -> void:
 				Data.first = x.animation
 				Data.first_animation = x.startAnimation
 				break
+	Data.money += 0
 	self.queue_free()

src/purchase.gd

@@ -48,7 +48,7 @@ func update_interface() -> void: # Updates the buttons data
 		button.text = "Buy Level %s for %s" % [level, Data.beautify(Data.cost[level])]
 		earnings.text = "%s money per hit" % [Data.beautify(Data.earnings[level])]
 		number.text = "You have %s" % Data.box_number(level)
-		if Data.cost[level] <= Data.money:
+		if Data.cost[level] <= Data.money and Data.box_number() < Data.box_limit:
 			button.disabled = false
 		else:
 			button.disabled = true
@@ -66,7 +66,7 @@ func _on_Buy_button_up() -> void: # Used to pruchase and then increases the pric
 				Data.spawn_ball(level)
 		update_interface()
 	else:
-		if Data.cost[level] <= Data.money:
+		if Data.cost[level] <= Data.money and Data.box_number() < Data.box_limit:
 			var _cost = Data.cost[level]
 			Data.cost[level] = floor(1.15* Data.cost[level])
 			Data.money -= _cost
@@ -92,5 +92,3 @@ func _on_Sell_button_up() -> void:
 				if x.level == level:
 					x.delete()
 					return
-		if Data.box_number(level) == 1:
-			sell.disabled = true