Add marketplace button functionality and skill unlocker integration

scripts/components/skill_unlocker_component.gd

@@ -4,7 +4,7 @@ extends Node
 @export var skill_manager: SkillManager
 
 @onready var game_manager: GM = $"/root/GameManager"
-
+signal skill_unlocked(skill_data: SkillData)
 
 
 func has_enough_coins(amount: int) -> bool:
@@ -24,6 +24,7 @@ func try_unlock_skill(skill_data: SkillData) -> bool:
 	game_manager.remove_coins(skill_data.cost)
 	game_manager.current_session_state["skills_unlocked"].append(skill_data.name)
 	skill_manager.add_skill(skill_data)
+	skill_unlocked.emit(skill_data)
 	return true
 
 
@@ -33,6 +34,7 @@ func unlock_all_skills() -> void:
 
 	for skill in available_skills:
 		skills.append(skill.name)
+		skill_unlocked.emit(skill)
 
 	game_manager.unlock_skills(skills)
 	skill_manager.apply_unlocked_skills()

scripts/game_manager.gd

@@ -68,6 +68,14 @@ func get_kid_nodes() -> Array[CollectableComponent]:
 	return kid_nodes
 
 
+
+func get_player_node() -> Node:
+	for node in nodes_in_scene:
+		if node is PlayerController:
+			return node
+	return null
+
+
 func add_coins(amount: int) -> void:
 	player_state["coins"] += amount
 	player_state["coins"] = max(0, player_state["coins"])
@@ -213,7 +221,6 @@ func on_level_complete() -> void:
 	SaveSystem.save_game()
 
 
-
 func get_unlocked_skills() -> Array:
 	var skills_unlocked        = player_state.get("unlocked_skills", [])
 	var skills_current_session = current_session_state.get("skills_unlocked", [])

scripts/resources/skill_data.gd

@@ -12,4 +12,7 @@ enum SkillType {
 @export var config: Dictionary = {}
 @export var cost: int = 0
 @export var icon: Texture2D
-@export var type: SkillType = SkillType.ATTACK
+@export var type: SkillType = SkillType.ATTACK
+@export var is_active: bool = false
+@export var level: int = 1
+@export var max_level: int = 1

scripts/ui/marketplace.gd

@@ -46,9 +46,10 @@ func get_button_text(skill: SkillData) -> String:
 
 
 func create_upgrade_button(skill: SkillData):
-	var button := marketplace_button.instantiate() as Button
+	var button := marketplace_button.instantiate() as MarketplaceButton
 	button.text = get_button_text(skill)
 	button.icon = skill.icon
+	button.skill_data = skill
 
 	button.pressed.connect(func () -> void: _on_button_pressed(skill))
 

scripts/ui/marketplace_button.gd

@@ -0,0 +1,48 @@
+class_name MarketplaceButton
+extends Button
+
+@export var skill_data: SkillData
+@export var unlocked_skill_icon: Texture2D
+@export var locked_skill_icon: Texture2D
+@export var skill_level_container: Container
+
+@onready var gm: GM = $"/root/GameManager"
+
+
+func _ready() -> void:
+	if not skill_data:
+		printerr("MarketplaceButton: skill_data is not set.")
+	if not unlocked_skill_icon or not locked_skill_icon:
+		printerr("MarketplaceButton: unlocked_skill_icon or locked_skill_icon is not set.")
+		return
+	if not skill_level_container:
+		printerr("MarketplaceButton: skill_level_container is not set.")
+		return
+
+	setup()
+
+	var player                   := gm.get_player_node()
+	var skill_unlocker_component := player.get_node_or_null("SkillUnlockerComponent") as SkillUnlockerComponent
+	if skill_unlocker_component:
+		skill_unlocker_component.skill_unlocked.connect(_on_skill_unlock)
+
+
+func setup() -> void:
+	if not skill_data:
+		return
+
+	for i in range(skill_data.max_level):
+		var _icon := TextureRect.new()
+		_icon.texture = unlocked_skill_icon if i < skill_data.level else locked_skill_icon
+		skill_level_container.add_child(_icon)
+
+
+func _on_skill_unlock(skill: SkillData) -> void:
+	if skill.name == skill_data.name:
+		for i in range(skill_data.max_level):
+			var icon := skill_level_container.get_child(i) as TextureRect
+			if i < skill.level:
+				icon.texture = unlocked_skill_icon
+			else:
+				icon.texture = locked_skill_icon
+		disabled = skill.level >= skill_data.max_level

scripts/ui/marketplace_button.gd.uid

@@ -0,0 +1 @@
+uid://dx8lex40lotr5

scripts/ui/pause_menu.gd

@@ -45,7 +45,6 @@ func _ready() -> void:
 	Console.console_closed.connect(_on_console_close)
 
 
-
 func _unhandled_input(event: InputEvent) -> void:
 	if event.is_action_pressed("pause") and not is_console_open:
 		if UiManager.is_visible_on_stack(pause_menu_control):
@@ -78,6 +77,8 @@ func _on_exit_to_menu_button_pressed() -> void:
 		printerr("PauseMenu: Exit to menu scene not set.")
 		return
 
+	gm.resume_game()
+	gm.reset_current_session_state()
 	get_tree().change_scene_to_packed(exit_to_menu_scene)