Add marketplace button functionality and skill unlocker integration

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)