92 lines
2.5 KiB
Python
92 lines
2.5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of ROBOTGAME
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#
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# ROBOTGAME is free software: you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# ROBOTGAME is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# ROBOTGAME. If not, see <http://www.gnu.org/licenses/>.
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#
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# ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '
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#
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# colourboxes.py
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# --------------------
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# date created : Wed Aug 8 2012
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# copyright : (C) 2012 Niels G. W. Serup
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# maintained by : Niels G. W. Serup <ns@metanohi.name>
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"""
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Colour boxes.
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"""
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import random
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def generate_colour_boxes(nwells, nboxes):
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"""
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Generate colour boxes that can be used to make all wells white.
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Arguments:
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nwells -- number of wells
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nboxes -- maximum number of boxes needed to make all wells white.
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Return [[(r, g, b)]]
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where r : 0|1, g : 0|1, b : 0|1
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"""
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nbits = nwells * 3
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data = [[0 for _ in range(nboxes)] for _ in range(nbits)]
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def insert_1():
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t = random.randrange(0, nboxes)
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for y in range(t, nboxes) + range(0, t):
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if data[x][y] == 0:
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data[x][y] = 1
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break
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for x in range(len(data)):
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insert_1()
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for _ in range(random.randrange(0, (nboxes + 1) / 2)):
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insert_1()
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insert_1()
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boxes = []
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for y in range(nboxes):
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box = []
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boxes.append(box)
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for x in range(0, nbits, 3):
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r = data[x][y]
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g = data[x + 1][y]
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b = data[x + 2][y]
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box.append((r, g, b))
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return boxes
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def generate_random_box(nwells):
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r = lambda: random.choice((0, 1))
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return [(r(), r(), r()) for _ in range(nwells)]
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def makes_all_wells_white(boxes):
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"""
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Determine if the boxes make all wells white when XOR'ed together.
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"""
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total = 0
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for box in boxes:
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n = 0
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for r, g, b in box:
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n <<= 1
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n |= r
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n <<= 1
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n |= g
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n <<= 1
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n |= b
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total ^= n
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return total == 2**(len(boxes[0]) * 3) - 1
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