feat: implement plasma gun and rocket swarm mechanics along with various 3D asset imports

weapons/rocket_launcher.gd

@@ -17,34 +17,16 @@ func _init() -> void:
 	projectile_gravity = 0.0 # Flies straight
 
 func _build_model() -> void:
-	position = Vector3(0.4, -0.4, -0.6)
-	
-	var mat_grey = StandardMaterial3D.new()
-	mat_grey.albedo_color = Color(0.3, 0.3, 0.3)
-	
-	# Main Tube
-	var body = MeshInstance3D.new()
-	var b_mesh = CylinderMesh.new()
-	b_mesh.top_radius = 0.08
-	b_mesh.bottom_radius = 0.08
-	b_mesh.height = 0.8
-	b_mesh.material = mat_grey
-	body.mesh = b_mesh
-	body.rotation.x = deg_to_rad(90)
-	model_root.add_child(body)
-	
-	# Back cone
-	var cone = MeshInstance3D.new()
-	var c_mesh = CylinderMesh.new()
-	c_mesh.top_radius = 0.08
-	c_mesh.bottom_radius = 0.04
-	c_mesh.height = 0.2
-	c_mesh.material = mat_grey
-	cone.mesh = c_mesh
-	cone.rotation.x = deg_to_rad(90)
-	cone.position = Vector3(0, 0, 0.5)
-	model_root.add_child(cone)
-	
+	position = Vector3(0.4, -0.4, -0.945)
+
+	var model_scene = load("res://assets/weapons/rocket launcher/source/Law72.fbx")
+	if model_scene:
+		var model = model_scene.instantiate()
+		model_root.add_child(model)
+		model.scale = Vector3(0.25, 0.25, 0.25)
+		model.rotation_degrees.y = 90
+		for light in model.find_children("*", "Light3D", true, false):
+			light.queue_free()
 	# Muzzle Flash
 	muzzle_flash = OmniLight3D.new()
 	muzzle_flash.light_color = Color(1.0, 0.6, 0.2)