1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
# -*- coding: utf-8 -*-
# Maze.activity
# A simple multi-player maze game for the XO laptop.
# http://wiki.laptop.org/go/Maze
#
# Special thanks to Brendan Donohoe for the icon.
#
# Copyright (C) 2007 Joshua Minor
# This file is part of Maze.activity
#
# Maze.activity 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.
#
# Maze.activity 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 Maze.activity. If not, see <http://www.gnu.org/licenses/>.
import math
import unicodedata
from sugar3.graphics import style
from maze import Rectangle
class Player:
def __init__(self, buddy, shape='circle'):
self.buddy = buddy
name = buddy.props.nick.decode('utf-8')
self.nick = unicodedata.normalize('NFC', name)
colors = buddy.props.color.split(",")
self.fg = style.Color(colors[0])
self.bg = style.Color(colors[1])
# this field is None when the activity is not shared and when
# the user shared it this field will become to
# "olpcgames.mesh.my_handle()"
self.uid = None
self.shape = shape
self.hidden = False
self.bonusplayers = None
self.reset()
def draw(self, ctx, bounds, size):
line_width = size / 10.
rect = Rectangle(bounds.x + self.position[0] * size,
bounds.y + self.position[1] * size, size,
size)
ctx.save()
if self.shape == 'circle':
ctx.arc(rect.x + size / 2, rect.y + size / 2,
(size / 2 - line_width), 0, 2 * math.pi)
elif self.shape == 'square':
ctx.rectangle(rect.x + line_width, rect.y + line_width,
size - line_width * 2, size - line_width * 2)
elif self.shape == 'triangle':
ctx.new_path()
ctx.move_to(rect.x + line_width, rect.y + size - line_width)
ctx.line_to(rect.x + size / 2, rect.y + line_width)
ctx.line_to(rect.x + size - line_width, rect.y + size - line_width)
ctx.close_path()
ctx.set_source_rgba(*self.bg.get_rgba())
ctx.set_line_width(line_width)
ctx.fill_preserve()
ctx.set_source_rgba(*self.fg.get_rgba())
ctx.stroke()
ctx.restore()
def reset(self):
self.direction = (0, 0)
self.position = (1, 1)
self.previous = (1, 1)
self.elapsed = None
def animate(self, maze, change_direction=True):
# if the player finished the maze, then don't move
if maze.map[self.position[0]][self.position[1]] == maze.GOAL:
self.direction = (0, 0)
if self.direction == (0, 0):
return self.position
if self.canGo(self.direction, maze):
self.move(self.direction, maze)
if change_direction:
self.keepGoing(self.direction, maze)
else:
self.direction = (0, 0)
return self.position
def move(self, direction, maze):
"""Move the player in a given direction (deltax,deltay)"""
newposition = (self.position[0] + direction[0],
self.position[1] + direction[1])
self.previous = self.position
self.position = newposition
def canGo(self, direction, maze):
"""Can the player go in this direction without bumping into
something?
"""
newposition = (self.position[0] + direction[0],
self.position[1] + direction[1])
return maze.validMove(newposition[0], newposition[1])
def cameFrom(self, direction):
"""Note the position/direction that we just came from."""
return self.previous == (self.position[0] + direction[0],
self.position[1] + direction[1])
def keepGoing(self, curdir, maze):
"""Try to keep going if the direction is obvious.
This prevents the player from having to use the arrows to navigate
every single twist and turn of large mazes."""
# possible directions are fwd, turn left, turn right
directions = [curdir, (curdir[1], curdir[0]),
(- curdir[1], - curdir[0])]
# remove any that are blocked
for d in list(directions):
if not self.canGo(d, maze):
directions.remove(d)
# is there only one possible direction?
if len(directions) == 1:
self.direction = directions[0]
else:
self.direction = (0, 0)
def bonusPlayers(self):
if self.bonusplayers is None:
self.bonusplayers = []
self.bonusplayers.append(Player(self.buddy, 'square'))
self.bonusplayers.append(Player(self.buddy, 'triangle'))
count = 1
for player in self.bonusplayers:
player.nick = self.nick + "-%d" % count
if self.uid is not None:
player.uid = self.uid + "-%d" % count
player.hidden = True
count += 1
return self.bonusplayers
def bonusPlayer(self, uid):
if uid == self.uid:
return self
for bonusplayer in self.bonusPlayers():
if bonusplayer.uid == uid:
return bonusplayer
|