gd,refacto: added state chart addon and namespace cleanup

godot_state_charts_examples/cooldown/skill_button/skill_button.gd

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+## This is tool so we can show the selected texture immediately in the editor. 
+@tool
+extends MarginContainer
+
+signal pressed()
+
+@export var texture:Texture2D:
+	set(value):
+		texture = value
+		_apply_settings()
+
+## The progressbar we control
+@onready var _texture_progress_bar:TextureProgressBar = %TextureProgressBar
+
+## The label showing the cooldown in seconds
+@onready var _label:Label = %Label
+
+## The button that can be pressed
+@onready var _button:Button = %Button
+
+func _ready():
+	_apply_settings()
+	
+	
+func _apply_settings():
+	if _texture_progress_bar != null:
+		_texture_progress_bar.texture_under = texture
+
+## Called while cooldown transitions run. Will update the state of the 
+## cooldown in the UI elements and disable the button until clear_cooldown
+## is called.
+func set_cooldown(total:float, current:float):
+	_label.visible = true
+	_button.disabled = true
+	_texture_progress_bar.max_value = total
+	_texture_progress_bar.value = current
+	_label.text = "%.1f" % current
+	
+	
+## Called to clear the cooldown. Will enable the button and clear all cooldown
+## indicators.	
+func clear_cooldown():
+	_label.visible = false
+	_button.disabled = false
+	_texture_progress_bar.value = 0	
+	
+	_texture_progress_bar.max_value = 100
+
+## Signal relay for the inner button.
+func _on_button_pressed():
+	pressed.emit()

godot_state_charts_examples/cooldown/skill_button/skill_button.gd.uid

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+uid://cjlrmcmit4jhm

godot_state_charts_examples/cooldown/skill_button/skill_button.tscn

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+[gd_scene load_steps=3 format=3 uid="uid://ch1pukkyc07qo"]
+
+[ext_resource type="Script" path="res://godot_state_charts_examples/cooldown/skill_button/skill_button.gd" id="1_r0ivs"]
+[ext_resource type="Texture2D" uid="uid://tgsnqiq40n41" path="res://godot_state_charts_examples/cooldown/icons/cooldown_overlay.png" id="3_pgrfi"]
+
+[node name="SkillButton" type="MarginContainer"]
+offset_right = 32.0
+offset_bottom = 32.0
+script = ExtResource("1_r0ivs")
+
+[node name="Button" type="Button" parent="."]
+unique_name_in_owner = true
+layout_mode = 2
+
+[node name="TextureProgressBar" type="TextureProgressBar" parent="."]
+unique_name_in_owner = true
+layout_mode = 2
+mouse_filter = 2
+step = 0.0
+fill_mode = 4
+texture_progress = ExtResource("3_pgrfi")
+tint_progress = Color(0, 0, 0, 1)
+
+[node name="Label" type="Label" parent="."]
+unique_name_in_owner = true
+layout_mode = 2
+theme_override_colors/font_outline_color = Color(0, 0, 0, 1)
+theme_override_constants/outline_size = 8
+theme_override_font_sizes/font_size = 48
+text = "10"
+horizontal_alignment = 1
+vertical_alignment = 1
+
+[connection signal="pressed" from="Button" to="." method="_on_button_pressed"]