def test_unload_cargo_raises_exception_if_tray_cannot_hold_the_resource(self): # noqa tray = SlottedCargoContainer() with self.assertRaises(CargoContainerException) as error_context: tray.unload_cargo(Fish, 1) self.assertIn( "A cargo slot of that type has not been added", error_context.exception.message, )
def test_unload_cargo_decreases_load_of_slot_if_tray_can_hold_the_resource_and_all_available_cargo_up_to_the_requested_quantity(self): # noqa tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 3) tray.get_slot(Fish)['load'] = 3 load = tray.unload_cargo(Fish, 7) self.assertEqual(tray.current_load(Fish), 0) self.assertEqual(load, 3)
def test_unload_cargo_returns_nothing_if_slot_is_empty(self): tray = SlottedCargoContainer() tray.add_resource_slot(Fish, 3) load = tray.unload_cargo(Fish, 7) self.assertEqual(tray.current_load(Fish), 0) self.assertEqual(load, 0)
class Building:
name = 'Unnamed'
build_time = 1.0
def __init__(self):
self.resource_plants = []
self.unit_factories = {}
self.container = SlottedCargoContainer()
self.building_id = uuid4()
self.harvestable_resources = set()
self.producable_resources = set()
self.pt = None
self.action_queue = []
@property
def status(self):
return '\n'.join([
'building type: {}'.format(self.name),
'current position: {}'.format(self.pt),
'current action: {}'.format(self.current_action),
'container:\n{}'.format(indent(str(self.container), ' '))
])
@property
def current_action(self):
if len(self.action_queue) == 0:
return None
else:
return self.action_queue[0]
def act(self, dt):
if len(self.action_queue) == 0:
return
action = self.action_queue.pop(0)
if not action.is_possible(self, dt):
return
action.execute(self, dt)
if action.is_complete(self, dt):
action.finish(self, dt)
else:
self.add_immediate_action(action.next_action(self, dt))
def add_action(self, action):
self.action_queue.append(action)
def add_immediate_action(self, action):
self.action_queue.insert(0, action)
def clear_actions(self):
self.action_queue = []
def add_producable_resource(self, resource):
self.producable_resources.add(resource)
def add_resource_plant(self, resource_plant):
self.resource_plants.append(resource_plant)
def add_unit_factory(self, unit_factory):
if unit_factory.product.name in self.unit_factories:
message = "A factory for that unit has already been added"
raise BuildingException(message)
self.unit_factories[unit_factory.product.name] = unit_factory
def receive_cargo(self, resource_type, quantity):
return self.container.load_cargo(resource_type, quantity)
def deliver_cargo(self, resource_type, quantity):
return self.container.unload_cargo(resource_type, quantity)
def produce_resources(self):
[d.digest(self.container) for d in self.resource_plants]
def build_unit(self, unit):
if unit.name not in self.unit_factories:
raise BuildingException("This building cannot build that unit")
return self.unit_factories[unit.name].digest(self.container)
def __repr__(self):
lines = [
'building_id: {}'.format(self.building_id),
'name: {}'.format(self.name),
'container: \n{}'.format(indent(str(self.container), ' '))
]
for (index, resource_plant) in enumerate(self.resource_plants):
lines.append('resource_plant {}:')
lines.append(indent(str(resource_plant), ' '))
for (index, unit_factory) in enumerate(self.unit_factories):
lines.append('unit_factory {}:')
lines.append(indent(str(unit_factory), ' '))
return '\n'.join(lines)
