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#!/usr/bin/python
import gringo
import urwid
import sys
class Plan:
def __init__(self, field, stone, target, move):
mx = min([x for (x, y) in field])
my = min([y for (x, y) in field])
self.width = max([x for (x, y) in field]) - mx + 1
self.height = max([y for (x, y) in field]) - my + 1
self.field = [ (x - mx, y - my) for (x, y) in field ]
self.target = [ (s, x - mx, y - my) for (s, x, y) in target ]
self._stones = [ [ (s, d, x - mx, y - my, l) for (s, d, x, y, l) in stone ] ]
self._moves = [ ]
self._locs = [ ]
for t in sorted(move.keys()):
for (s, d, xy) in move[t]:
xy -= (mx if d == "x" else my)
self._moves.append((s, d, xy))
self._stones.append([])
for (ss, sd, sx, sy, sl) in self._stones[-2]:
if ss == s:
if d == "x": sx = xy
else : sy = xy
self._locs.append((sd, sx, sy, sl))
self._stones[-1].append((ss, sd, sx, sy, sl))
self._moves.append(None)
self._locs.append(None)
def loc(self, i):
return self._locs[i]
def move(self, i):
return self._moves[i]
def stones(self, i):
return self._stones[i]
def next(self, i):
return i + 1 if i + 1 < len(self._stones) else i
def prev(self, i):
return i - 1 if i - 1 >= 0 else i
def first(self):
return 0
class Board:
def __init__(self, plan):
self.display = urwid.Text("", align='center')
self.plan = plan
self.current = plan.first()
self.update()
def next(self, button):
self.current = self.plan.next(self.current)
self.update()
def prev(self, button):
self.current = self.plan.prev(self.current)
self.update()
def update(self):
brd = [[" "] * (self.plan.width * 2 + 1) for _ in range(0, (self.plan.height * 2 + 1))]
for (x, y) in self.plan.field:
brd[2 * y + 1][2 * x + 0] = "|"
brd[2 * y + 1][2 * x + 2] = "|"
for (x, y) in self.plan.field:
brd[2 * y + 0][2 * x + 0] = "-"
brd[2 * y + 0][2 * x + 1] = "-"
brd[2 * y + 0][2 * x + 2] = "-"
brd[2 * y + 2][2 * x + 0] = "-"
brd[2 * y + 2][2 * x + 1] = "-"
brd[2 * y + 2][2 * x + 2] = "-"
for (s, d, x, y, l) in self.plan.stones(self.current):
sx = 2 * x + 1
sy = 2 * y + 1
m = self.plan.move(self.current)
if m != None: m = m[0]
for sd in range(0, 2 * l - 1):
brd[sy + (sd if d == "y" else 0)][sx + (sd if d == "x" else 0)] = ('red', d) if s == m else d
loc = self.plan.loc(self.current)
if loc != None:
(d, x, y, l) = loc
x = 2 * x + 1
y = 2 * y + 1
for sd in range(0, 2 * l - 1):
sx = x + (sd if d == "x" else 0)
sy = y + (sd if d == "y" else 0)
if brd[sy][sx] in [" ", "|", "-"]: brd[sy][sx] = ('blue', brd[sy][sx])
for (s, x, y) in self.plan.target:
s = brd[2 * y + 1][2 * x + 1]
if isinstance(s, tuple): s = s[1]
brd[2 * y + 1][2 * x + 1] = ("green", s)
markup = []
for row in brd:
markup.extend(row)
markup.append("\n")
self.display.set_text(markup)
class MainWindow:
def __init__(self):
self.loop = None
def exit(self, button):
raise urwid.ExitMainLoop()
def run(self, plan):
c = Board(plan)
ba = urwid.Button("previous")
bb = urwid.Button("quit")
bc = urwid.Button("next")
urwid.connect_signal(bb, 'click', self.exit)
urwid.connect_signal(bc, 'click', c.next)
urwid.connect_signal(ba, 'click', c.prev)
sf = urwid.Text("")
b = urwid.Columns([sf, ('fixed', len(bc.label) + 4, bc), ('fixed', len(ba.label) + 4, ba), ('fixed', len(bb.label) + 4, bb), sf], 1)
f = urwid.Frame(urwid.Filler(c.display), None, b, 'footer')
palette = [
('red', 'black', 'light red'),
('green', 'black', 'light green'),
('blue', 'black', 'light blue'), ]
self.loop = urwid.MainLoop(f, palette)
self.loop.run()
c = gringo.Control()
for f in sys.argv[1:]: c.load(f)
def make_on_model(field, stone, move, target):
def on_model(m):
for atom in m.atoms(gringo.Model.ATOMS):
if atom.name() == "field" and len(atom.args()) == 2:
x, y = atom.args()
field.append((x, y))
elif atom.name() == "stone" and len(atom.args()) == 5:
s, d, x, y, l = atom.args()
stone.append((str(s), str(d), x, y, l))
elif atom.name() == "move" and len(atom.args()) == 4:
t, s, d, xy = atom.args()
move.setdefault(t, []).append((str(s), str(d), xy))
elif atom.name() == "target" and len(atom.args()) == 3:
s, x, y = atom.args()
target.append((str(s), x, y))
return False
return on_model
t, field, stone, move, target = 0, [], [], {}, []
on_model = make_on_model(field, stone, move, target)
c.ground([("base", [])])
while True:
t += 1
c.ground([("cumulative", [t])])
c.release_external(gringo.Fun("query", [t-1]))
c.assign_external(gringo.Fun("query", [t]), True)
if c.solve(None, on_model) == gringo.SolveResult.SAT:
break
MainWindow().run(Plan(field, stone, target, move))
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