weapon slots and loadout done

scripts/weapon.gd

@@ -0,0 +1,31 @@
+class_name Weapon
+extends Node3D
+
+@export var def: WeaponDef
+
+var shooter: PhysicsBody3D # Resolved in _ready(): nearest ancestor body
+
+var _cooldown := 0.0
+
+@onready var _muzzle: Marker3D = %Muzzle
+
+func _ready() -> void:
+	# Fallback: nearest ancestor body is the shooter (hand-placed weapons).
+	var n := get_parent()
+	while shooter == null and n != null:
+		shooter = n as PhysicsBody3D
+		n = n.get_parent()
+
+func _physics_process(delta: float) -> void:
+	_cooldown = maxf(_cooldown - delta, 0.0)
+
+func try_fire() -> bool:
+	if _cooldown > 0.0 or def == null or def.ammo == null:
+		return false
+	_cooldown = def.fire_interval
+	var p: Projectile = def.ammo.projectile_scene.instantiate()
+	get_tree().current_scene.add_child(p)
+	if shooter != null:
+		p.add_collision_exception_with(shooter)
+	p.launch(def.ammo, _muzzle.global_transform, def.muzzle_speed_scale)
+	return true