feat: implement weapon system, loadout manager, and specialized projectile behaviors with associated assets

movement/player_movement_controller.gd

@@ -139,6 +139,17 @@ func spawn_damage_number(amount: float, hit_pos: Vector3) -> void:
 		_hit_marker_tween = create_tween()
 		_hit_marker_tween.tween_property(hit_marker, "modulate:a", 0.0, 0.4)
 
+func apply_impulse(force: Vector3) -> void:
+	velocity += force
+	# Force an upward launch to break ground contact
+	if force.y > 0.1:
+		# Tiny upward bump helps move_and_slide detach from the floor
+		global_position.y += 0.1
+
+func take_damage(amount: float, hit_pos: Vector3, source: Node = null) -> void:
+	# Show damage number for self-damage
+	spawn_damage_number(amount, hit_pos)
+
 func _ensure_machine() -> MovementStateMachine:
 	if is_instance_valid(_machine):
 		return _machine