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screen.py
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screen.py
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# screen: Various Tron visualization utilities using Tkinter.
# Copyright (C) 2010 Corey Abshire
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os, sys, tron, tronutils
from Tkinter import *
colors = { "#": "gray",
"1": "red",
"2": "blue",
" ": "white" }
heat_colors = ((255, 255, 255), (255, 255, 0), (255, 128, 0), (255, 0, 0))
class EndOfGame():
def __init__(self, result):
self.result = result
def rgb((r, g, b)):
return "#%02x%02x%02x" % (r, g, b)
def gradient2(c1, c2, n):
r1,g1,b1 = c1
r2,g2,b2 = c2
rd,gd,bd = float(r2-r1), float(g2-g1), float(b2-b1)
ra,ga,ba = rd/n, gd/n, bd/n
r, g, b = r1, g1, b1
colors = []
for i in range(n):
colors.append(rgb((int(r), int(g), int(b))))
r, g, b = r + ra, g + ga, b + ba
return colors
def gradient(base, total):
spreads = len(base) - 1
colors = ['#000000' for i in range(total)]
perset = total / spreads
extra = total % spreads
sets = [perset for i in range(spreads)]
for i in range(extra):
sets[i] += 1
j = 0
for i in range(spreads):
for c in gradient2(base[i], base[i+1], sets[i]):
colors[j] = c
j += 1
colors[0] = rgb(base[0])
colors[len(colors)-1] = rgb(base[len(base)-1])
return colors
class Grid():
def make_cell(self, x, y, z, color):
return self.canvas.create_rectangle(x,y,x+z,y+z,fill=color)
def __init__(self, parent, height, width, cellsize, color):
h, w, z = height, width, cellsize
self.height = height
self.width = width
self.cellsize = cellsize
self.canvas = Canvas(parent, width=w*z, height=h*z)
self.cells = {}
for y in range(h):
for x in range(w):
self.cells[y,x] = self.make_cell(x*z, y*z, z, color)
def __setitem__(self, yx, color):
self.canvas.itemconfigure(self.cells[yx], fill=color)
def pack(self):
self.canvas.pack()
class TronGrid(Grid):
def __init__(self, parent, board, cellsize=15, colors=colors):
Grid.__init__(self, parent, board.height, board.width, \
cellsize, colors[' '])
self.colors = colors
self.me = board.me()
self.them = board.them()
self.centers = {}
self.draw(board)
self.last_me_line = None
self.last_them_line = None
def draw(self, board):
z = self.cellsize
for y in range(board.height):
for x in range(board.width):
self[y,x] = self.colors[board[y,x]]
self.centers[y,x] = y * z + (z / 2), x * z + z / 2
def draw_line(self, a, b, arrow='none', fill='black'):
y1,x1 = self.centers[a]
y2,x2 = self.centers[b]
return self.canvas.create_line(x1, y1, x2, y2, arrow=arrow, fill=fill)
def draw_lines(self, board, path, fill='black'):
if len(path) < 2:
return
for i in xrange(len(path)-2):
self.draw_line(path[i], path[i+1], 'none', fill)
self.draw_line(path[-2], path[-1], 'last', fill)
def update(self, board):
if self.last_me_line:
self.canvas.itemconfigure(self.last_me_line, arrow='none')
me = board.me()
self.last_me_line = self.draw_line(self.me, me, 'last', 'white')
self[board.me()] = self.colors[tron.ME]
if self.last_them_line:
self.canvas.itemconfigure(self.last_them_line, arrow='none')
them = board.them()
self.last_them_line = self.draw_line(self.them, them, 'last', 'white')
self[board.them()] = self.colors[tron.THEM]
self.me = me
self.them = them
class TronGridEditor(TronGrid):
def __init__(self, parent, board, cellsize=15, colors=colors):
TronGrid.__init__(self, parent, board, cellsize, colors)
self.char = tron.WALL
self.board = board
self.canvas.bind('<Button-1>', self.paint_tile)
self.canvas.bind('<B1-Motion>', self.paint_tile)
parent.bind('<Key>', self.change_brush)
def paint_tile(self, event):
canvas = event.widget
board = self.board.board
x = int(canvas.canvasx(event.x) / self.cellsize)
y = int(canvas.canvasy(event.y) / self.cellsize)
board[y] = tronutils.set_char(board[y], x, self.char)
self[y,x] = self.colors[self.char]
def change_brush(self, event):
if event.char in colors:
self.char = event.char
def edit_board(board, squaresize=15):
root = Tk()
root.bind("<Escape>", lambda e: root.destroy())
grid = TronGridEditor(root, board, squaresize, colors)
grid.draw(board)
grid.pack()
mainloop()
def derive_case(infile, outfile, squaresize=15):
root = Tk()
root.bind("<Escape>", lambda e: done())
board = tronutils.read_board(infile)
def done():
tronutils.write_board(board, outfile)
root.destroy()
grid = TronGridEditor(root, board, squaresize, colors)
grid.draw(board)
grid.pack()
mainloop()
def show_board(board, squaresize=15, title='My Map'):
root = Tk()
root.title(title)
root.bind("<Escape>", lambda e: root.destroy())
grid = TronGrid(root, board, squaresize, colors)
grid.draw(board)
grid.pack()
mainloop()
def show_map(filename, squaresize=15):
board = tronutils.read_board(filename)
show_board(board, squaresize, filename)
def show_path(board, path, fill='yellow', line_color='black'):
root = Tk()
root.bind("<Escape>", lambda e: root.destroy())
grid = TronGrid(root, board, 15, colors)
grid.draw(board)
for p in path:
if board[p] == tron.FLOOR:
grid[p] = fill
if line_color:
grid.draw_lines(board, path)
grid.pack()
mainloop()
def show_heat(board, heat):
max_heat = max(heat.values())
grad = gradient(heat_colors, max_heat + 1)
root = Tk()
root.bind("<Escape>", lambda e: root.destroy())
grid = TronGrid(root, board, 15, colors)
grid.draw(board)
for p in heat.keys():
if board[p] == tron.FLOOR:
grid[p] = grad[heat[p]]
grid.pack()
mainloop()
def read_board(stream=sys.stdin):
line1 = stream.readline().strip()
try:
height, width = [int(s) for s in line1.split(' ')]
lines = [stream.readline() for i in range(height)]
return tron.Board(width, height, lines)
except ValueError:
raise EndOfGame(line1)