Added water and bladder system

scenes/Grid/water_display.gd

@@ -0,0 +1,37 @@
+@tool
+extends Label
+class_name WaterDisplay
+
+@export var character_path: NodePath
+@export var show_bladder: bool = true
+@export var show_water: bool = true
+
+var _character: GridCharacterController = null
+
+func _ready() -> void:
+	set_process(true)
+	_resolve_character()
+	if _character:
+		_character.vitals_changed.connect(_on_vitals_changed)
+		_on_vitals_changed(_character.get_water_level(), _character.get_bladder_level(), _character.is_water_low(), _character.is_bladder_full())
+
+func _process(_delta: float) -> void:
+	if Engine.is_editor_hint():
+		_update_text(0.0, 0.0, false, false)
+
+func _resolve_character() -> void:
+	if character_path != NodePath():
+		_character = get_node_or_null(character_path) as GridCharacterController
+	else:
+		_character = get_parent() as GridCharacterController
+
+func _on_vitals_changed(water_level: float, bladder_level: float, needs_water: bool, needs_bathroom: bool) -> void:
+	_update_text(water_level, bladder_level, needs_water, needs_bathroom)
+
+func _update_text(water_level: float, bladder_level: float, needs_water: bool, needs_bathroom: bool) -> void:
+	var parts: Array[String] = []
+	if show_water:
+		parts.append("Water: %4d ml%s" % [int(water_level), " !" if needs_water else ""])
+	if show_bladder:
+		parts.append("Bladder: %4d ml%s" % [int(bladder_level), " !" if needs_bathroom else ""])
+	text = " | ".join(parts)