def test_set_weight_capacity_raises_an_exception_if_the_requested_capacity_is_less_than_or_equal_to_zero(self): # noqa bag = MixedCargoContainer() with self.assertRaises(CargoContainerException) as error_context: bag.set_weight_capacity(0) self.assertEqual( "Weight capacity must be greater than 0", error_context.exception.message, )
def test_unload_cargo_decreases_load_of_container_and_returns_all_available_cargo_up_to_the_requested_quantity(self): # noqa bag = MixedCargoContainer() bag.set_weight_capacity(Fish.weight * 10) bag.get_slot(Fish)['load'] = 3 load = bag.unload_cargo(Fish, 7) self.assertEqual(bag.current_load(Fish), 0) self.assertEqual(load, 3)
def test_load_cargo_returns_entire_load_if_slot_is_already_at_capacity(self): # noqa bag = MixedCargoContainer() bag.set_weight_capacity(Fish.weight * 3) bag.get_slot(Fish)['load'] = 3 remains = bag.load_cargo(Fish, 7) self.assertEqual(bag.current_load(Fish), 3) self.assertEqual(remains, 7)
def test_unload_cargo_decreases_load_of_container(self): bag = MixedCargoContainer() bag.set_weight_capacity(Fish.weight * 10) bag.get_slot(Fish)['load'] = 1 load = bag.unload_cargo(Fish, 1) self.assertEqual(bag.current_load(Fish), 0) self.assertEqual(load, 1)
def __init__(self):
self.container = MixedCargoContainer()
self.container.set_weight_capacity(self.strength)
self.tile_map = None
self.building_factories = {}
self.unit_id = uuid4()
self.action_queue = []
self.harvestable_resources = set()
self.carryable_resources = set()
self.pt = None
self.traversable_terrain_types = set()
self.target = None
def test_current_load_returns_the_current_number_of_resource_type_held_in_the_container(self): # noqa bag = MixedCargoContainer() bag.set_weight_capacity(100) slot = bag.get_slot(Fish) slot['load'] = 3 slot = bag.get_slot(Cabbage) slot['load'] = 5 self.assertEqual(bag.current_load(Fish), 3)
def test_remaining_capacity_computes_the_number_of_resource_type_that_can_still_be_held_in_the_container(self): # noqa bag = MixedCargoContainer() bag.set_weight_capacity(100) slot = bag.get_slot(Fish) slot['load'] = 3 slot = bag.get_slot(Cabbage) slot['load'] = 5 self.assertEqual( bag.remaining_capacity(Wood), (100 - 3 * Fish.weight - 5 * Cabbage.weight) / Wood.weight)
def test_get_current_weight_computes_the_total_weight_of_all_resource_items_in_the_container(self): # noqa bag = MixedCargoContainer() bag.set_weight_capacity(100) slot = bag.get_slot(Fish) slot['load'] = 3 slot = bag.get_slot(Cabbage) slot['load'] = 5 self.assertEqual( bag.get_current_weight(), 3 * Fish.weight + 5 * Cabbage.weight, )
def test_set_weight_capacity_raises_an_exception_if_the_requested_capacity_is_less_than_or_equal_to_the_current_weight_in_the_container(self): # noqa bag = MixedCargoContainer() bag.set_weight_capacity(Fish.weight * 3) slot = bag.get_slot(Fish) slot['load'] = 3 with self.assertRaises(CargoContainerException) as error_context: bag.set_weight_capacity(Fish.weight * 2) self.assertIn( "Capacity must be greater than or equal to the current weight", error_context.exception.message, )
def test_load_cargo_increases_load_of_slot_if_bag_can_hold_the_resource_and_returns_excess_that_could_not_be_loaded(self): # noqa bag = MixedCargoContainer() bag.set_weight_capacity(Fish.weight * 5 - 1) remains = bag.load_cargo(Fish, 7) self.assertEqual(bag.current_load(Fish), 4.5) self.assertEqual(remains, 2.5)
def test_load_cargo_increases_load_of_container(self): bag = MixedCargoContainer() bag.set_weight_capacity(Fish.weight * 10) remains = bag.load_cargo(Fish, 1) self.assertEqual(bag.current_load(Fish), 1) self.assertEqual(remains, 0)
def test_unload_cargo_returns_nothing_if_bag_has_no_resources_of_requested_type(self): # noqa bag = MixedCargoContainer() bag.set_weight_capacity(Fish.weight * 10) load = bag.unload_cargo(Fish, 7) self.assertEqual(bag.current_load(Fish), 0) self.assertEqual(load, 0)
class Unit:
# grid units per second
movement_speed = 0
name = ''
strength = 0
def __init__(self):
self.container = MixedCargoContainer()
self.container.set_weight_capacity(self.strength)
self.tile_map = None
self.building_factories = {}
self.unit_id = uuid4()
self.action_queue = []
self.harvestable_resources = set()
self.carryable_resources = set()
self.pt = None
self.traversable_terrain_types = set()
self.target = None
def __repr__(self):
return self.name
@property
def status(self):
return '\n'.join([
'unit type: {}'.format(self.name),
'movement speed: {}'.format(self.movement_speed),
'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]
@property
def tile(self):
return self.tile_map.get_tile(self.pt)
def add_harvestable_resource(self, resource):
self.harvestable_resources.add(resource)
def add_carryable_resource(self, resource):
self.carryable_resources.add(resource)
def can_harvest_resource(self, resource):
return resource in self.harvestable_resources
def move(self, v):
if self.tile_map is None:
raise UnitException("The unit is not yet placed on the map")
new_pt = self.pt + v
if new_pt not in self.tile_map:
raise UnitException("Unit may not move out of bounds")
tile = self.tile_map.get_tile(new_pt)
if tile.terrain.terrain_type not in self.traversable_terrain_types:
message = "This unit cannot traverse "
message += str(tile.terrain.terrain_type)
raise UnitException(message)
self.pt = new_pt
def add_building_factory(self, building_factory):
if building_factory.product.name in self.building_factories:
message = "A factory for that building has already been added"
raise UnitException(message)
factory_key = building_factory.product.name
self.building_factories[factory_key] = building_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 can_construct_building(self, building):
if self.tile_map is None:
return False
if building.name not in self.building_factories:
return False
factory = self.building_factories[building.name]
if not factory.can_consume(self.container):
return False
if (building.name == "iron mine" and
self.tile.terrain_improvement.name != "iron ore deposit"):
# TODO make this more generalizable
return False
return True
def construct_building(self, building):
if building.name not in self.building_factories:
raise UnitException("This unit cannot build that building")
return self.building_factories[building.name].digest(self.container)
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 = []
