Add inventory system, with only Gold for now

behaviours/collectible.gd

@@ -3,11 +3,15 @@ extends Node
 class_name Collectible
 
 
-## Marker class that stores the value of a collectible item.
-
-
 ## How many of that item this [Collectible] represents.
 @export var quantity: int = 1
 
 ## What kind of item this [Collectible] represents.
-@export var kind: StringName = &""
+@export var kind: StringName = &""
+
+
+@onready var game: MainGame = MainGame.get_via_group(self)
+
+
+func apply():
+	game.inventory.get_counter(kind).increase(quantity)

entities/gold.gd

@@ -2,8 +2,10 @@ extends Node2D
 class_name Gold
 
 
-@onready var move_towards: MoveTowards = $"%MoveTowards"
-@onready var collect_sound_spawner: Spawner = $"%CollectSoundSpawner"
+@onready var game: MainGame = MainGame.get_via_group(self)
+@onready var move_towards: MoveTowards = %"MoveTowards"
+@onready var collect_sound_spawner: Spawner = %"CollectSoundSpawner"
+@onready var collectible: Collectible = %"Collectible"
 
 
 func magnetize(cursor: Cursor) -> void:
@@ -13,6 +15,7 @@ func demagnetize() -> void:
 	move_towards.target = null
 
 func collect() -> void:
+	collectible.apply()
 	collect_sound_spawner.spawn()
 	queue_free()
 

entities/gold.tscn

@@ -16,7 +16,8 @@ radius = 64.0
 [node name="Gold" type="Node2D"]
 script = ExtResource("1_lbls1")
 
-[node name="Collectable" parent="." instance=ExtResource("2_j75yq")]
+[node name="Collectible" parent="." instance=ExtResource("2_j75yq")]
+unique_name_in_owner = true
 kind = &"Gold"
 
 [node name="Sprite" type="Sprite2D" parent="."]

scenes/game/inventory.gd

@@ -0,0 +1,20 @@
+extends Node
+class_name Inventory
+
+
+signal new_counter_created(kind: StringName, counter: Counter)
+
+
+@export var counter_scene: PackedScene
+
+
+func get_counter(kind: StringName) -> Counter:
+	var path: NodePath = NodePath(kind)
+	var counter: Counter = get_node_or_null(path)
+	if counter != null:
+		return counter
+	counter = counter_scene.instantiate()
+	counter.name = kind 
+	add_child(counter)
+	new_counter_created.emit(kind, counter)
+	return counter

scenes/game/inventory.tscn

@@ -0,0 +1,9 @@
+[gd_scene load_steps=3 format=3 uid="uid://cu6mvnfa01nb6"]
+
+[ext_resource type="Script" path="res://scenes/game/inventory.gd" id="1_yji81"]
+[ext_resource type="PackedScene" uid="uid://brvbtvt4em32" path="res://behaviours/counter.tscn" id="2_vhog3"]
+
+[node name="Inventory" type="Node"]
+script = ExtResource("1_yji81")
+
+[node name="Gold" parent="." instance=ExtResource("2_vhog3")]

scenes/game/main_game.gd

@@ -2,9 +2,9 @@ extends Node2D
 class_name MainGame
 
 
-@onready var gold_counter: Counter = $"GoldCounter"
 @onready var camera: GameCamera = $"GameCamera"
 @onready var default_spawn_parent: Node2D = %"DefaultSpawnParent"
+@onready var inventory: Inventory = %"Inventory"
 
 
 static func get_via_group(node: Node) -> MainGame:

scenes/game/main_game.tscn

@@ -2,8 +2,8 @@
 
 [ext_resource type="Script" path="res://scenes/game/main_game.gd" id="1_wiglu"]
 [ext_resource type="PackedScene" uid="uid://dm068vaseh45n" path="res://scenes/game/game_camera.tscn" id="2_db5xs"]
+[ext_resource type="PackedScene" uid="uid://cu6mvnfa01nb6" path="res://scenes/game/inventory.tscn" id="2_jhbbf"]
 [ext_resource type="Texture2D" uid="uid://d13j4br4hxek6" path="res://scenes/game/tileset_grass.png" id="2_o7bg5"]
-[ext_resource type="PackedScene" uid="uid://brvbtvt4em32" path="res://behaviours/counter.tscn" id="3_p6jw3"]
 [ext_resource type="PackedScene" uid="uid://col1q3elvkfwk" path="res://scenes/game/cursor.tscn" id="5_g504x"]
 [ext_resource type="PackedScene" uid="uid://bc2bm8lbol18w" path="res://entities/sheep.tscn" id="6_j2kdp"]
 [ext_resource type="PackedScene" uid="uid://4d3ksr3171x4" path="res://entities/imp.tscn" id="7_7od2n"]
@@ -822,6 +822,9 @@ radius = 48.0
 [node name="MainGame" type="Node2D" groups=["game"]]
 script = ExtResource("1_wiglu")
 
+[node name="Inventory" parent="." instance=ExtResource("2_jhbbf")]
+unique_name_in_owner = true
+
 [node name="TileMap" type="TileMap" parent="."]
 scale = Vector2(2, 2)
 tile_set = SubResource("TileSet_g2dkm")
@@ -830,8 +833,6 @@ layer_0/tile_data = PackedInt32Array(720915, 262144, 4, 655379, 0, 8, 589843, 26
 
 [node name="GameCamera" parent="." instance=ExtResource("2_db5xs")]
 
-[node name="GoldCounter" parent="." instance=ExtResource("3_p6jw3")]
-
 [node name="DefaultSpawnParent" type="Node2D" parent="."]
 unique_name_in_owner = true