1 | # -*- coding: utf-8 -*- |
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2 | #Copyright (c) 2011 Walter Bender |
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3 | |
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4 | # This program is free software; you can redistribute it and/or modify |
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5 | # it under the terms of the GNU General Public License as published by |
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6 | # the Free Software Foundation; either version 3 of the License, or |
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7 | # (at your option) any later version. |
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8 | # |
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9 | # You should have received a copy of the GNU General Public License |
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10 | # along with this library; if not, write to the Free Software |
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11 | # Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA |
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12 | |
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13 | from gi.repository import Gtk, GObject, GdkPixbuf, Gdk |
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14 | import cairo |
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15 | import os |
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16 | from random import uniform |
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17 | import easygui |
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18 | |
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19 | |
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20 | from gettext import gettext as _ |
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21 | |
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22 | import logging |
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23 | _logger = logging.getLogger('cookie-search-activity') |
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24 | |
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25 | try: |
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26 | from sugar3.graphics import style |
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27 | GRID_CELL_SIZE = style.GRID_CELL_SIZE |
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28 | except ImportError: |
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29 | GRID_CELL_SIZE = 0 |
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30 | |
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31 | from sprites import Sprites, Sprite |
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32 | |
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33 | # Grid dimensions must be even |
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34 | TEN = 10 |
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35 | SEVEN = 7 |
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36 | DOT_SIZE = 40 |
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37 | PATHS = [False, 'turtle-monster.jpg', 'cookie.jpg', 'cookie.jpg', |
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38 | 'bitten-cookie.jpg'] |
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39 | |
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40 | |
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41 | class Game(): |
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42 | |
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43 | def __init__(self, canvas, parent=None, path=None, |
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44 | colors=['#A0FFA0', '#FF8080']): |
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45 | self._canvas = canvas |
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46 | self._parent = parent |
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47 | self._parent.show_all() |
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48 | self._path = path |
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49 | |
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50 | self._colors = ['#FFFFFF'] |
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51 | self._colors.append(colors[0]) |
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52 | self._colors.append(colors[1]) |
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53 | self._colors.append(colors[0]) |
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54 | self._colors.append('#FF0000') |
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55 | |
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56 | self._canvas.add_events(Gdk.EventMask.BUTTON_PRESS_MASK) |
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57 | self._canvas.connect("draw", self.__draw_cb) |
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58 | self._canvas.connect("button-press-event", self._button_press_cb) |
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59 | |
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60 | self._width = Gdk.Screen.width() |
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61 | self._height = Gdk.Screen.height() - (GRID_CELL_SIZE * 1.5) |
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62 | self._scale = self._width / (10 * DOT_SIZE * 1.2) |
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63 | self._dot_size = int(DOT_SIZE * self._scale) |
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64 | self._space = int(self._dot_size / 5.) |
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65 | self.we_are_sharing = False |
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66 | |
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67 | self._start_time = 0 |
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68 | self._timeout_id = None |
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69 | |
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70 | # Generate the sprites we'll need... |
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71 | self._sprites = Sprites(self._canvas) |
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72 | self._dots = [] |
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73 | for y in range(SEVEN): |
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74 | for x in range(TEN): |
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75 | xoffset = int((self._width - TEN * self._dot_size - \ |
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76 | (TEN - 1) * self._space) / 2.) |
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77 | self._dots.append( |
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78 | Sprite(self._sprites, |
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79 | xoffset + x * (self._dot_size + self._space), |
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80 | y * (self._dot_size + self._space), |
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81 | self._new_dot(self._colors[0]))) |
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82 | self._dots[-1].type = 0 # not set |
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83 | self._dots[-1].set_label_attributes(40) |
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84 | |
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85 | self._all_clear() |
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86 | def __draw_cb(self, canvas, cr): |
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87 | self._sprites.redraw_sprites(cr=cr) |
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88 | def _all_clear(self): |
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89 | ''' Things to reinitialize when starting up a new game. ''' |
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90 | for dot in self._dots: |
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91 | if dot.type != 1: |
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92 | dot.type = 1 |
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93 | dot.set_shape(self._new_dot(self._colors[dot.type])) |
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94 | dot.set_label('') |
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95 | self._stop_timer() |
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96 | |
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97 | def new_game(self): |
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98 | ''' Start a new game. ''' |
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99 | self._all_clear() |
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100 | |
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101 | # Fill in a few dots to start |
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102 | for i in range(int(TEN)): |
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103 | n = int(uniform(0, TEN * SEVEN)) |
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104 | while True: |
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105 | if self._dots[n].type == 1: |
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106 | self._dots[n].type = 2 |
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107 | self._dots[n].set_shape(self._new_dot(self._colors[1])) |
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108 | break |
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109 | else: |
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110 | n = int(uniform(0, TEN * SEVEN)) |
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111 | |
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112 | if self.we_are_sharing: |
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113 | _logger.debug('sending a new game') |
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114 | self._parent.send_new_game() |
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115 | |
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116 | self._start_timer() |
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117 | |
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118 | def restore_game(self, dot_list): |
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119 | ''' Restore a game from the Journal or share ''' |
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120 | for i, dot in enumerate(dot_list): |
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121 | self._dots[i].type = dot |
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122 | self._dots[i].set_shape(self._new_dot( |
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123 | self._colors[self._dots[i].type])) |
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124 | |
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125 | def save_game(self): |
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126 | ''' Return dot list for saving to Journal or |
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127 | sharing ''' |
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128 | dot_list = [] |
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129 | for dot in self._dots: |
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130 | dot_list.append(dot.type) |
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131 | return dot_list |
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132 | |
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133 | def _set_label(self, string): |
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134 | ''' Set the label in the toolbar or the window frame. ''' |
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135 | self._parent.status.set_label(string) |
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136 | |
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137 | def _neighbors(self, spr): |
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138 | ''' Return the list of surrounding dots ''' |
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139 | neighbors = [] |
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140 | x, y = self._dot_to_grid(self._dots.index(spr)) |
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141 | if x > 0 and y > 0: |
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142 | neighbors.append(self._dots[self._grid_to_dot((x - 1, y - 1))]) |
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143 | if x > 0: |
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144 | neighbors.append(self._dots[self._grid_to_dot((x - 1, y))]) |
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145 | if x > 0 and y < SEVEN - 1: |
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146 | neighbors.append(self._dots[self._grid_to_dot((x - 1, y + 1))]) |
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147 | if y > 0: |
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148 | neighbors.append(self._dots[self._grid_to_dot((x, y - 1))]) |
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149 | if y < SEVEN - 1: |
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150 | neighbors.append(self._dots[self._grid_to_dot((x, y + 1))]) |
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151 | if x < TEN - 1 and y > 0: |
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152 | neighbors.append(self._dots[self._grid_to_dot((x + 1, y - 1))]) |
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153 | if x < TEN - 1: |
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154 | neighbors.append(self._dots[self._grid_to_dot((x + 1, y))]) |
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155 | if x < TEN - 1 and y < SEVEN - 1: |
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156 | neighbors.append(self._dots[self._grid_to_dot((x + 1, y + 1))]) |
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157 | return neighbors |
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158 | |
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159 | def _count(self, count_type, spr): |
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160 | ''' Count the number of surrounding dots of type count_type ''' |
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161 | counter = 0 |
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162 | for dot in self._neighbors(spr): |
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163 | if dot.type in count_type: |
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164 | counter += 1 |
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165 | return counter |
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166 | |
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167 | def _floodfill(self, old_type, spr): |
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168 | if spr.type not in old_type: |
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169 | return |
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170 | |
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171 | spr.type = 0 |
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172 | spr.set_shape(self._new_dot(self._colors[spr.type])) |
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173 | if self.we_are_sharing: |
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174 | _logger.debug('sending a click to the share') |
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175 | self._parent.send_dot_click(self._dots.index(spr), spr.type) |
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176 | |
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177 | counter = self._count([2, 4], spr) |
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178 | if counter > 0: |
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179 | spr.set_label(str(counter)) |
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180 | else: |
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181 | spr.set_label('') |
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182 | for dot in self._neighbors(spr): |
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183 | self._floodfill(old_type, dot) |
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184 | |
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185 | def _button_press_cb(self, win, event): |
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186 | win.grab_focus() |
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187 | x, y = map(int, event.get_coords()) |
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188 | |
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189 | spr = self._sprites.find_sprite((x, y)) |
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190 | if spr == None: |
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191 | return |
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192 | |
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193 | if event.button > 1: # right click |
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194 | if spr.type != 0: |
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195 | self._flip_the_cookie(spr) |
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196 | return True |
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197 | else: |
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198 | if spr.type != 0: |
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199 | red, green, blue, alpha = spr.get_pixel((x, y)) |
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200 | if red > 190 and red < 215: # clicked the cookie |
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201 | self._flip_the_cookie(spr) |
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202 | return True |
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203 | |
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204 | if spr.type in [2, 4]: |
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205 | spr.set_shape(self._new_dot(self._colors[4])) |
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206 | self._frown() |
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207 | return True |
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208 | |
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209 | if spr.type is not None: |
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210 | self._floodfill([1, 3], spr) |
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211 | self._test_game_over() |
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212 | |
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213 | return True |
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214 | |
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215 | def _flip_the_cookie(self, spr): |
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216 | if spr.type in [1, 2]: |
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217 | spr.set_shape(self._new_dot(self._colors[2])) |
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218 | spr.type += 2 |
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219 | else: # elif spr.type in [3, 4]: |
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220 | spr.set_shape(self._new_dot(self._colors[1])) |
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221 | spr.type -= 2 |
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222 | self._test_game_over() |
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223 | |
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224 | def remote_button_press(self, dot, color): |
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225 | ''' Receive a button press from a sharer ''' |
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226 | self._dots[dot].type = color |
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227 | self._dots[dot].set_shape(self._new_dot(self._colors[color])) |
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228 | |
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229 | def set_sharing(self, share=True): |
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230 | _logger.debug('enabling sharing') |
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231 | self.we_are_sharing = share |
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232 | |
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233 | def _counter(self): |
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234 | ''' Display of seconds since start_time. ''' |
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235 | self._set_label( |
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236 | str(int(GObject.get_current_time() - self._start_time))) |
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237 | self._timeout_id = GObject.timeout_add(1000, self._counter) |
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238 | |
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239 | def _start_timer(self): |
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240 | ''' Start/reset the timer ''' |
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241 | self._start_time = GObject.get_current_time() |
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242 | self._timeout_id = None |
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243 | self._counter() |
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244 | |
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245 | def _stop_timer(self): |
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246 | if self._timeout_id is not None: |
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247 | GObject.source_remove(self._timeout_id) |
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248 | |
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249 | def _smile(self): |
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250 | for dot in self._dots: |
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251 | if dot.type == 0: |
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252 | dot.set_label('â»') |
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253 | self._end_prompt() |
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254 | |
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255 | def _frown(self): |
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256 | for dot in self._dots: |
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257 | if dot.type == 0: |
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258 | dot.set_label('â¹') |
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259 | self._end_prompt() |
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260 | |
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261 | def _test_game_over(self): |
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262 | ''' Check to see if game is over ''' |
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263 | for dot in self._dots: |
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264 | if dot.type == 1 or dot.type == 2: |
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265 | return False |
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266 | self._parent.all_scores.append( |
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267 | str(int(GObject.get_current_time() - self._start_time))) |
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268 | _logger.debug(self._parent.all_scores) |
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269 | self._smile() |
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270 | self._stop_timer() |
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271 | return True |
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272 | |
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273 | def _end_prompt(self): |
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274 | title="End of Game" |
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275 | easygui.msgbox("The game is OVER!", title) |
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276 | msg = "Would you like to restart?" |
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277 | choices = ["New Game", "Exit"] |
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278 | choice = easygui.choicebox(msg, title, choices) |
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279 | |
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280 | if choice == "New Game": |
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281 | self.new_game() |
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282 | if choice == "Exit": |
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283 | Gtk.main_quit() |
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284 | |
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285 | def _grid_to_dot(self, pos): |
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286 | ''' calculate the dot index from a column and row in the grid ''' |
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287 | return pos[0] + pos[1] * TEN |
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288 | |
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289 | def _dot_to_grid(self, dot): |
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290 | ''' calculate the grid column and row for a dot ''' |
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291 | return [dot % TEN, int(dot / TEN)] |
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292 | |
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293 | def _expose_cb(self, win, event): |
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294 | self.do_expose_event(event) |
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295 | |
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296 | def do_expose_event(self, event): |
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297 | ''' Handle the expose-event by drawing ''' |
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298 | # Restrict Cairo to the exposed area |
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299 | cr = self._canvas.window.cairo_create() |
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300 | cr.rectangle(event.area.x, event.area.y, |
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301 | event.area.width, event.area.height) |
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302 | cr.clip() |
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303 | # Refresh sprite list |
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304 | self._sprites.redraw_sprites(cr=cr) |
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305 | |
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306 | def _destroy_cb(self, win, event): |
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307 | Gtk.main_quit() |
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308 | |
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309 | def _new_dot(self, color): |
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310 | ''' generate a dot of a color color ''' |
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311 | self._dot_cache = {} |
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312 | if not color in self._dot_cache: |
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313 | self._stroke = color |
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314 | self._fill = color |
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315 | self._svg_width = self._dot_size |
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316 | self._svg_height = self._dot_size |
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317 | |
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318 | i = self._colors.index(color) |
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319 | if PATHS[i] is False: |
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320 | pixbuf = svg_str_to_pixbuf( |
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321 | self._header() + \ |
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322 | self._circle(self._dot_size / 2., self._dot_size / 2., |
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323 | self._dot_size / 2.) + \ |
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324 | self._footer()) |
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325 | else: |
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326 | pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size( |
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327 | os.path.join(self._path, PATHS[i]), |
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328 | self._svg_width, self._svg_height) |
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329 | |
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330 | surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, |
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331 | self._svg_width, self._svg_height) |
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332 | context = cairo.Context(surface) |
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333 | Gdk.cairo_set_source_pixbuf(context, pixbuf, 0, 0) |
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334 | context.rectangle(0, 0, self._svg_width, self._svg_height) |
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335 | context.fill() |
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336 | self._dot_cache[color] = surface |
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337 | |
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338 | return self._dot_cache[color] |
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339 | |
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340 | def _line(self, vertical=True): |
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341 | ''' Generate a center line ''' |
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342 | if vertical: |
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343 | self._svg_width = 3 |
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344 | self._svg_height = self._height |
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345 | return svg_str_to_pixbuf( |
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346 | self._header() + \ |
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347 | self._rect(3, self._height, 0, 0) + \ |
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348 | self._footer()) |
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349 | else: |
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350 | self._svg_width = self._width |
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351 | self._svg_height = 3 |
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352 | return svg_str_to_pixbuf( |
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353 | self._header() + \ |
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354 | self._rect(self._width, 3, 0, 0) + \ |
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355 | self._footer()) |
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356 | |
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357 | def _header(self): |
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358 | return '<svg\n' + 'xmlns:svg="http://www.w3.org/2000/svg"\n' + \ |
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359 | 'xmlns="http://www.w3.org/2000/svg"\n' + \ |
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360 | 'xmlns:xlink="http://www.w3.org/1999/xlink"\n' + \ |
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361 | 'version="1.1"\n' + 'width="' + str(self._svg_width) + '"\n' + \ |
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362 | 'height="' + str(self._svg_height) + '">\n' |
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363 | |
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364 | def _rect(self, w, h, x, y): |
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365 | svg_string = ' <rect\n' |
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366 | svg_string += ' width="%f"\n' % (w) |
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367 | svg_string += ' height="%f"\n' % (h) |
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368 | svg_string += ' rx="%f"\n' % (0) |
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369 | svg_string += ' ry="%f"\n' % (0) |
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370 | svg_string += ' x="%f"\n' % (x) |
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371 | svg_string += ' y="%f"\n' % (y) |
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372 | svg_string += 'style="fill:#000000;stroke:#000000;"/>\n' |
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373 | return svg_string |
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374 | |
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375 | def _circle(self, r, cx, cy): |
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376 | return '<circle style="fill:' + str(self._fill) + ';stroke:' + \ |
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377 | str(self._stroke) + ';" r="' + str(r - 0.5) + '" cx="' + \ |
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378 | str(cx) + '" cy="' + str(cy) + '" />\n' |
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379 | |
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380 | def _footer(self): |
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381 | return '</svg>\n' |
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382 | |
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383 | |
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384 | def svg_str_to_pixbuf(svg_string): |
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385 | """ Load pixbuf from SVG string """ |
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386 | pl = GdkPixbuf.PixbufLoader.new_with_type('svg') |
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387 | pl.write(svg_string) |
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388 | pl.close() |
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389 | pixbuf = pl.get_pixbuf() |
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390 | return pixbuf |
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