def test_union_requirements_multiplication(self):
# arrange
ur1 = UnionRequirements("a", [has("a"), has("b")])
ur2 = UnionRequirements("b", [has("c"), has("b")])
# act
t = ur1 * ur1 * ur2
# assert
self.assertEqual(t.tuple, (ur1, ur1, ur2))
def test_has_and_has(self):
# arrange
h1 = has("a")
h2 = has("b")
h3 = has("c")
h = h1 & h2 & h3
# assert
self.assertIs(h.name, None)
self.assertListEqual(h.requirements, [h1, h2, h3])
def test_union_requirements_ror(self):
# arrange
h1 = has("a")
h = "B" | h1
# assert
self.assertRaises(UnionRequirements.Error, lambda: "C" | h)
self.assertEqual(h.name, "B")
self.assertListEqual(h.requirements, [h1])
def test_union_requirement_match_works(self):
# arrange
class A:
def a(self):
pass
def b(self):
pass
class B:
def a(self):
pass
h1 = has("a")
h2 = has("b")
h = "u" | h1 & h2
# assert
self.assertTrue(h.match(A()))
self.assertIsInstance(h.match(A())["u"], A)
self.assertFalse(h.match(B()))
self.assertRaises(UnionRequirements.Error, lambda:
(h1 & h2).match(A()))
def test_match_checks_attribute_existence(self):
# arrange
class A:
def __init__(self):
self.a = 1
def t(self):
pass
class B:
def a(self):
pass
h = has("t")
# assert
self.assertTrue(h.match(A()))
self.assertFalse(h.match(B()))
from src.ecs.clocks import delta_time
from src.ecs.requirements.has import has
def are_mounted(first, second):
return (hasattr(first, 'mounting_object') and first.mounting_object is second) \
or (hasattr(second, 'mounting_object') and second.mounting_object is first)
def mount(mounted):
if not mounted.mounting_object:
return
parent = mounted.mounting_object
# if mounted.mounting_force < abs(mounted.velocity - parent.velocity) * mounted.mass / delta_time():
# print('Mounting break with force', abs(mounted.velocity - parent.velocity) * mounted.mass / delta_time())
# mounted.mounting_object = None
# return
if hasattr(parent, "velocity") and hasattr(mounted, "velocity"):
mounted.velocity = parent.velocity
rotation = parent.rotation if hasattr(parent, "rotation") else 0
mounted.position = parent.position + mounted.mounting_offset.rotated(
rotation)
mounting = (
("mounted" | has('mounting_object') & has('mounting_force')) >> mount, )
ending_loop_index / len(self.sprites) * length \
if ending_loop_index else len(self.sprites)
self.time = Limited(0, max_value=length, min_value=0)
def animate(animated):
for condition, animation_ in animated._Animated__dict.items():
if condition(animated):
if animation_.time.value >= animation_.ending_loop_starts:
animation_.time.min_value = animation_.ending_loop_starts
animation_.time.cycled_step(delta_time())
animation_.time.min_value = 0
else:
animation_.time.step(delta_time())
else:
animation_.time.min_value = 0
animation_.time.step(-delta_time())
animated.sprite = animation_.sprites[
min(
floor((animation_.time.to_proportion()) * len(animation_.sprites)),
len(animation_.sprites) - 1
)
]
animation = (
("animated" | has("_Animated__dict") & has("sprite")) >> animate,
)
from src.ecs.requirements.has import has
def shoot_them_all(ai, enemy):
if ai is enemy or enemy.radius <= 10:
return
delta = enemy.position - ai.position
if delta and delta.squared_magnitude() <= ai.aggressive_range ** 2:
ai.rotation = delta.angle()
ai.shooting_enabled = True
ai = (
("ai" | has("flag_ai")) * ("enemy" | has("position", "solid")) >> shoot_them_all,
)
from src.ecs.requirements.has import has
from src.ecs.union import Union
data_types = Union(
vector="vector",
text="text",
)
def display(container):
if container.display_type == data_types.vector:
container.size = container.display_func()
elif container.display_type == data_types.text:
container.text = container.display_func()
else:
raise NotImplementedError
ui = (("container" | has("display_func")) >> display, )
from src.ecs.clocks import delta_time
from src.ecs.requirements.has import has
def clean(temporal, destructor):
temporal.living_time.step(-delta_time())
if temporal.living_time.value <= 0:
destructor.clocks_destruction_list.append(temporal)
cleaning = (
("temporal" | has("living_time")) * ("destructor" | has("clocks_destruction_list")) >> clean,
)
from _tkinter import TclError
import src.game
from src.ecs.clocks import Clocks
from src.ecs.requirements.has import has
from src.systems.graphics.animation import animation
from src.systems.graphics.ui import ui
displayable = ("displayable" | has("visible"))
display = ("display" | has("put"))
def clear(display):
display.canvas.delete("all")
display.camera.position = display.camera.target.position - display.size / 2
def put(displayable, display):
if displayable.visible:
display.put(displayable)
def update(display):
display.canvas.update()
try:
display.canvas.update_idletasks()
except TclError:
raise Clocks.EndGameError
graphics = (
def test_execution_pair_subjects_addition(self):
# arrange
class A:
def a(self):
pass
class B:
def b(self):
pass
class C(A, B):
pass
pair = ExecutionPair(("f" | has("a")) * ("s" | has("b")),
lambda f, s: None)
a1 = A()
a2 = A()
b1 = B()
pair.subjects = [
{
"f": a1,
"s": b1
},
{
"f": a2,
"s": b1
},
]
pair.subjects = (
_Cache("f", [a1, a2]),
_Cache("s", [b1]),
)
a3 = A()
c = C()
# act
pair.try_add_subject(a3)
pair.try_add_subject(c)
# assert
self.assertListEqual(pair.subjects, [
{
"f": a1,
"s": b1
},
{
"f": a2,
"s": b1
},
{
"f": a3,
"s": b1
},
{
"f": c,
"s": b1
},
{
"f": a1,
"s": c
},
{
"f": a2,
"s": c
},
{
"f": a3,
"s": c
},
{
"f": c,
"s": c
},
])
from src.ecs.clocks import delta_time
from src.ecs.requirements.has import has
def apply_force(tractor):
if tractor.traction_enabled:
print('Traction enabled')
tractor.velocity += \
tractor.traction_direction.rotated(
tractor.rotation
if hasattr(tractor, "rotation") else 0) \
* tractor.traction_force \
* delta_time() \
/ tractor.mass
traction = (
("tractor" |
has("velocity") &
has("traction_force") &
has("traction_direction") &
has("mass")
) >> apply_force,
)
from src.ecs.clocks import delta_time
from src.ecs.requirements.has import has
def precalculate(self, constants):
self.squared_gravity_radius = self.mass / constants.g_min / constants.G
def accelerate(self, other, constants):
if self is other:
return
assert self.position != other.position
delta = other.position - self.position
if delta.squared_magnitude() > self.squared_gravity_radius:
return
self.velocity += delta ** 0 * other.mass / delta.squared_magnitude() * constants.G * delta_time()
massive = has("mass") & has("position") & has("velocity")
gravity = (
("self" | massive) * ("constants" | has("g_min") & has("G")) >> precalculate,
("self" | massive) * ("other" | massive) * ("constants" | has("G")) >> accelerate,
)
from src.ecs.requirements.has import has
solid = has("radius", "solid")
destructor_ = has("clocks_destruction_list")
def stop_collisions(self, other, destructor):
if self is other or not self.solid or not other.solid:
return
delta = other.position - self.position
d = self.radius + other.radius
if delta.x <= d \
and delta.y <= d \
and delta.squared_magnitude() <= d ** 2 \
and self.velocity.scalar_project(delta) > other.velocity.scalar_project(delta):
m1 = self.system_mass if hasattr(self, "system_mass") else self.mass if hasattr(self, "mass") else 0
m2 = other.system_mass if hasattr(other, "system_mass") else other.mass if hasattr(other, "mass") else 0
k = (1 + (self.resilience_k + other.resilience_k) / 2) / (m1 + m2)
v1 = self.velocity.project(delta)
v2 = other.velocity.project(delta)
# result_velocity = (m * self.velocity + M * other.velocity) / (m + M)
# self.velocity ==
#
# e_before = self.mass * self.velocity ** 2 / 2 + other.mass * other.velocity ** 2 / 2
# e_after = (self.mass + other.mass) * result_velocity ** 2 / 2
#
# de = (e_before - e_after) / 2
# print(f'energy is {de}')
from src.ecs.requirements.has import has
from src.tools import vector
def shoot(gun, creator):
if gun.shooting_enabled:
gun.shooting_enabled = False
bullet = gun.bullet_constructor()
dv = gun.shooting_velocity * vector.right.rotated(gun.rotation)
creator.clocks_creation_list.append(bullet.set(
position=gun.position + gun.shooting_offset.rotated(gun.rotation),
velocity=gun.velocity + dv,
rotation=gun.rotation,
))
gun.velocity -= bullet.mass * dv / gun.mass
shooting = (
("gun" | has("shooting_enabled")) * ("creator" | has("clocks_creation_list")) >> shoot,
)
from src.ecs.requirements.has import has
fps_monitor = (("label" | has("update_fps")) >>
(lambda label: label.update_fps()), )
from src.ecs.clocks import delta_time
from src.ecs.requirements.has import has
movable = "movable" | has("velocity") & has("position")
def apply_velocity(movable):
movable.position += movable.velocity * delta_time()
inertia = (movable >> apply_velocity, )
