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from dreamcoder.program import *
class TowerState:
def __init__(self, hand=0, orientation=1, history=None):
# List of (State|Block)
self.history = history
self.hand = hand
self.orientation = orientation
def __str__(self): return f"S(h={self.hand},o={self.orientation})"
def __repr__(self): return str(self)
def left(self, n):
return TowerState(hand=self.hand - n, orientation=self.orientation,
history=self.history if self.history is None \
else self.history + [self])
def right(self, n): return TowerState(hand=self.hand + n, orientation=self.orientation,
history=self.history if self.history is None \
else self.history + [self])
def reverse(self): return TowerState(hand=self.hand, orientation=-1*self.orientation,
history=self.history if self.history is None \
else self.history + [self])
def move(self, n): return TowerState(hand=self.hand + n*self.orientation, orientation=self.orientation,
history=self.history if self.history is None \
else self.history + [self])
def recordBlock(self, b):
if self.history is None: return self
return TowerState(hand=self.hand,
orientation=self.orientation,
history=self.history + [b])
def _empty_tower(h): return (h,[])
def _left(d):
return lambda k: lambda s: k(s.left(d))
def _right(d):
return lambda k: lambda s: k(s.right(d))
def _loop(n):
def f(start, stop, body, state):
if start >= stop: return state,[]
state, thisIteration = body(start)(state)
state, laterIterations = f(start + 1, stop, body, state)
return state, thisIteration + laterIterations
def sequence(b,k,h):
h,bodyBlocks = f(0,n,b,h)
h,laterBlocks = k(h)
return h,bodyBlocks+laterBlocks
return lambda b: lambda k: lambda h: sequence(b,k,h)
def _simpleLoop(n):
def f(start, body, k):
if start >= n: return k
return body(start)(f(start + 1, body, k))
return lambda b: lambda k: f(0,b,k)
def _embed(body):
def f(k):
def g(hand):
bodyHand, bodyActions = body(_empty_tower)(hand)
# Record history if we are doing that
if hand.history is not None:
hand = TowerState(hand=hand.hand,
orientation=hand.orientation,
history=bodyHand.history)
hand, laterActions = k(hand)
return hand, bodyActions + laterActions
return g
return f
def _moveHand(n):
return lambda k: lambda s: k(s.move(n))
def _reverseHand(k):
return lambda s: k(s.reverse())
class TowerContinuation(object):
def __init__(self, x, w, h):
self.x = x
self.w = w*2
self.h = h*2
def __call__(self, k):
def f(hand):
thisAction = [(self.x + hand.hand,self.w,self.h)]
hand = hand.recordBlock(thisAction[0])
hand, rest = k(hand)
return hand, thisAction + rest
return f
# name, dimensions
blocks = {
# "1x1": (1.,1.),
# "2x1": (2.,1.),
# "1x2": (1.,2.),
"3x1": (3, 1),
"1x3": (1, 3),
# "4x1": (4.,1.),
# "1x4": (1.,4.)
}
ttower = baseType("tower")
common_primitives = [
Primitive("tower_loopM", arrow(tint, arrow(tint, ttower, ttower), ttower, ttower), _simpleLoop),
Primitive("tower_embed", arrow(arrow(ttower,ttower), ttower, ttower), _embed),
] + [Primitive(name, arrow(ttower,ttower), TowerContinuation(0, w, h))
for name, (w, h) in blocks.items()] + \
[Primitive(str(j), tint, j) for j in range(1,9) ]
primitives = common_primitives + [
Primitive("left", arrow(tint, ttower, ttower), _left),
Primitive("right", arrow(tint, ttower, ttower), _right)
]
new_primitives = common_primitives + [
Primitive("moveHand", arrow(tint, ttower, ttower), _moveHand),
Primitive("reverseHand", arrow(ttower, ttower), _reverseHand)
]
def executeTower(p, timeout=None):
try:
return runWithTimeout(lambda : p.evaluate([])(_empty_tower)(TowerState())[1],
timeout=timeout)
except RunWithTimeout: return None
except: return None
def animateTower(exportPrefix, p):
print(exportPrefix, p)
from dreamcoder.domains.tower.tower_common import renderPlan
state,actions = p.evaluate([])(_empty_tower)(TowerState(history=[]))
print(actions)
trajectory = state.history + [state]
print(trajectory)
print()
assert tuple(z for z in trajectory if not isinstance(z, TowerState) ) == tuple(actions)
def hd(n):
h = 0
for state in trajectory[:n]:
if isinstance(state, TowerState):
h = state.hand
return h
animation = [renderPlan([b for b in trajectory[:n] if not isinstance(b, TowerState)],
pretty=True, Lego=True,
drawHand=hd(n),
masterPlan=actions,
randomSeed=hash(exportPrefix))
for n in range(0,len(trajectory) + 1)]
import scipy.misc
import random
r = random.random()
paths = []
for n in range(len(animation)):
paths.append(f"{exportPrefix}_{n}.png")
scipy.misc.imsave(paths[-1], animation[n])
os.system(f"convert -delay 10 -loop 0 {' '.join(paths)} {exportPrefix}.gif")
# os.system(f"rm {' '.join(paths)}")
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