game: add debug stats panel

scenes/managers/debug_ui.gd

@@ -1,8 +1,18 @@
 class_name DebugUI
 extends Control
 
+@onready var stats_container: PanelContainer = $StatsContainer
+@onready var panel_container: PanelContainer = $PanelContainer
+
+var debug_stats: Dictionary = {}
+
+func _ready() -> void:
+	stats_container.visible = false
+	panel_container.visible = false
+	GlobalConst.sig_debug_stats_set.connect(set_debug_stat)
+
 func toggle():
-	visible = !visible
+	panel_container.visible = !panel_container.visible
 
 func _on_zoom_check_toggled(toggled_on: bool) -> void:
 	GlobalConst.sig_debug_camera_zoom.emit(toggled_on)
@@ -10,6 +20,45 @@ func _on_zoom_check_toggled(toggled_on: bool) -> void:
 func _on_god_mode_check_toggled(toggled_on: bool) -> void:
 	GlobalConst.sig_debug_god_mode.emit(toggled_on)
 
-
 func _on_enemy_god_mode_check_toggled(toggled_on: bool) -> void:
 	GlobalConst.sig_debug_enemy_god_mode.emit(toggled_on)
+
+func _on_stats_check_toggled(toggled_on: bool) -> void:
+	stats_container.visible = toggled_on
+
+func set_debug_stat(key: String, value: String):
+	if key == "":
+		debug_stats.erase(key)
+	debug_stats[key] = value
+	update_debug_stats()
+
+func update_debug_stats() -> void:
+	for child in stats_container.get_children():
+		child.queue_free()
+	for stat in debug_stats:
+		# Create margin container
+		var mc: MarginContainer = MarginContainer.new()
+		mc.add_theme_constant_override("margin_top", 10)
+		mc.add_theme_constant_override("margin_left", 20)
+		mc.add_theme_constant_override("margin_bottom", 10)
+		mc.add_theme_constant_override("margin_right", 20)
+		stats_container.add_child(mc)
+
+		# Create the grid container
+		var gc: GridContainer = GridContainer.new()
+		gc.columns = 2
+		mc.add_child(gc)
+
+		# Create label for key
+		var key_label: Label = Label.new()
+		key_label.text = stat
+		key_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_LEFT
+		key_label.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+
+		# Create label for value
+		var value_label: Label = Label.new()
+		value_label.text = debug_stats[stat]
+		value_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_RIGHT
+		value_label.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+		gc.add_child(key_label)
+		gc.add_child(value_label)