spawn behavior

scripts/boat.gd

@@ -7,27 +7,41 @@ extends FloatingBody
 @export var throttle_response := 1.5    # how fast the engine spools up/down
 @export var rudder_strength := 2.5      # turning torque at speed
 @export var keel_grip := 3.0            # resistance to sliding sideways
-@export var loadout: Dictionary[StringName, WeaponDef] = {}
+@export var loadout: Dictionary[StringName, WeaponDef] = {} # WeaponSlot Name -> WeaponDef
+@export var weapon_groups: Dictionary[int, Array] = {}  # group id -> slot names; group 0 is auto-built (all slots), editor value ignored
 
 var desired_throttle := 0.0		# move_toward target for actual throttle
 var steer_input := 0.0
 var throttle := 0.0				# current throttle state of ship
 var _slots: Array[WeaponSlot] = []
+var _slots_by_name: Dictionary[StringName, WeaponSlot] = {}
+var fire_intents: Dictionary[int, bool] = {}  # written by controllers, like steer_input
 
 func _ready() -> void:
 	super()
+	add_to_group(&"boats")
 	for child in get_children():
 		if child is WeaponSlot:
 			_slots.append(child)
+			_slots_by_name[child.name] = child
 			var def: WeaponDef = loadout.get(child.name)
 			if def != null:
 				child.mount(def)
 
+	# Weapon group 0 should always be all weapons, regardless
+	# TODO: If ever weapon slots would dynamically be added during a scene, change
+	var all_names: Array = []
+	for slot in _slots:
+		all_names.append(slot.name)
+	weapon_groups[0] = all_names
+
 func _physics_process(delta: float) -> void:
 	super(delta)
 	
 	throttle = move_toward(throttle, desired_throttle, throttle_response * delta)
 
+	_process_fire()
+
 	if submerged_ratio <= 0.0:
 		return   # airborne: no thrust, no rudder, no keel
 
@@ -51,8 +65,12 @@ func _physics_process(delta: float) -> void:
 	right = right.normalized()
 	var lateral_speed := linear_velocity.dot(right)
 	apply_central_force(-right * lateral_speed * keel_grip * mass * submerged_ratio)
-	
-func fire_weapons() -> void:
-	for slot in _slots:
-		if slot.weapon != null:
-			slot.weapon.try_fire()
+
+func _process_fire() -> void:
+	for group_id in weapon_groups:
+		if not fire_intents.get(group_id, false):
+			continue
+		for slot_name in weapon_groups[group_id]:
+			var slot: WeaponSlot = _slots_by_name.get(slot_name)
+			if slot != null and slot.weapon != null:
+				slot.weapon.try_fire()