gcompris-data 14.12-1 / usr / share / gcompris / python / ballcatch.py

This file is indexed.

/usr/share/gcompris/python/ballcatch.py is in gcompris-data 14.12-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

  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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
#  gcompris - ballcatch.py
#
# Copyright (C) 2003, 2008 Bruno Coudoin
#
#   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/>.
#
# Ballcatch Board module
import gobject
import goocanvas
import cairo
import gcompris
import gcompris.utils
import gcompris.skin
import gcompris.bonus
import gcompris.sound
import gtk
import gtk.gdk
import pango
from gcompris import gcompris_gettext as _

# ----------------------------------------
# Hit left shift and right shift together to send the ball straight

class Gcompris_ballcatch:
  """catch the ball"""


  def __init__(self, gcomprisBoard):
    self.gcomprisBoard = gcomprisBoard

    self.gcomprisBoard.disable_im_context = True

    # These are used to let us restart only after the bonus is displayed.
    # When the bonus is displayed, it call us first with pause(1) and then with pause(0)
    self.board_paused  = 0;
    self.gamewon       = 0;


  def start(self):
    self.gcomprisBoard.level=1
    self.gcomprisBoard.maxlevel=9
    self.gcomprisBoard.sublevel=1
    self.gcomprisBoard.number_of_sublevel=1
    gcompris.bar_set(gcompris.BAR_LEVEL)
    gcompris.set_background(self.gcomprisBoard.canvas.get_root_item(),
                            "ballcatch/beach1.svgz")
    gcompris.bar_set_level(self.gcomprisBoard)
    gcompris.bar_location(gcompris.BOARD_WIDTH - 190, -1, 0.7)


    self.ballinc    = 20        # Event loop timer for the ball move
    self.timer_diff = 0         # Store the time diff between left and right key

    # Create our rootitem. We put each canvas item in it so at the end we
    # only have to kill it. The canvas deletes all the items it contains automaticaly.
    self.rootitem = goocanvas.Group(parent =  self.gcomprisBoard.canvas.get_root_item())

    # The instructions
    self.instruction = goocanvas.Text(
      parent = self.rootitem,
      x = 600.0,
      y = 300.0,
      width = 250,
      text = _("Press the two shift keys at the same time,"
               " to make the ball go in a straight line."),
      fill_color = "black",
      font = gcompris.skin.get_font("gcompris/board/medium"),
      anchor = gtk.ANCHOR_CENTER,
      alignment = pango.ALIGN_CENTER
      )


    # Tux
    goocanvas.Image(
      parent = self.rootitem,
      pixbuf = gcompris.utils.load_pixmap("ballcatch/tux.svg"),
      x=gcompris.BOARD_WIDTH/2 - 60,
      y=135.0
      )

    # Balloon
    self.balloon_item =goocanvas.Ellipse(
      parent = self.rootitem,
      )
    self.init_balloon()

    # The Left Hand
    goocanvas.Image(
      parent = self.rootitem,
      pixbuf = gcompris.utils.load_pixmap("ballcatch/hand.svg"),
      x = gcompris.BOARD_WIDTH/2 - 150.0,
      y = gcompris.BOARD_HEIGHT - 150
      )

    # The Right Hand (invert the left hand)
    item = goocanvas.Image(
      parent = self.rootitem,
      pixbuf = gcompris.utils.load_pixmap("ballcatch/hand.svg"),
      )
    item.set_transform(cairo.Matrix( -1, 0, 0, 1,
                                      gcompris.BOARD_WIDTH/2 + 100.0,
                                      gcompris.BOARD_HEIGHT - 150))

    # The Left Shift KEY
    self.leftkey =goocanvas.Image(
      parent = self.rootitem,
      pixbuf = gcompris.utils.load_pixmap("ballcatch/shift_key.svg"),
      x=gcompris.BOARD_WIDTH/2-240.0,
      y=gcompris.BOARD_HEIGHT - 80
      )

    # The Right Shift KEY
    self.rightkey =goocanvas.Image(
      parent = self.rootitem,
      pixbuf = gcompris.utils.load_pixmap("ballcatch/shift_key.svg"),
      x=gcompris.BOARD_WIDTH/2+100.0,
      y=gcompris.BOARD_HEIGHT - 80
      )

    # The basic tick for object moves
    self.timerinc = 1000

    self.left_continue  = True
    self.right_continue = True

    self.counter_left  = 0
    self.counter_right = 0

    self.timer_inc  = gobject.timeout_add(self.timerinc,
                                          self.timer_inc_display)

  def end(self):

    if self.timer_inc:
      gobject.source_remove(self.timer_inc)

    # Remove the root item removes all the others inside it
    self.rootitem.remove()

  def ok(self):
    pass


  def repeat(self):
    pass


  def config(self):
    pass


  def key_press(self, keyval, commit_str, preedit_str):

    if (keyval == gtk.keysyms.Shift_L):
      self.left_continue  = False

    if (keyval == gtk.keysyms.Shift_R):
      self.right_continue = False

    if (not self.left_continue and not self.right_continue):
      self.instruction.props.visibility = goocanvas.ITEM_INVISIBLE

    return False

  # Called by gcompris core
  def pause(self, pause):

    self.board_paused = pause

    # When the bonus is displayed, it call us first with pause(1) and then with pause(0)
    # the game is won
    if(pause == 0):
      self.next_level()
      self.gamewon = 0

    return


  # Called by gcompris when the user click on the level icon
  def set_level(self, level):
    self.gcomprisBoard.level=level
    self.gcomprisBoard.sublevel=1
    self.next_level()

  # End of Initialisation
  # ---------------------

  def next_level(self):

    # Set the level in the control bar
    gcompris.bar_set_level(self.gcomprisBoard);
    self.init_balloon()
    self.left_continue  = True
    self.right_continue = True
    self.counter_left  = 0
    self.counter_right = 0
    if self.timer_inc:
      gobject.source_remove(self.timer_inc)
    self.timer_inc = 0

    if(self.gcomprisBoard.level == 1):
      self.timerinc = 900
      gcompris.set_background(self.gcomprisBoard.canvas.get_root_item(),"ballcatch/beach1.svgz")
    elif(self.gcomprisBoard.level == 2):
      self.timerinc = 350
    elif(self.gcomprisBoard.level == 3):
      self.timerinc = 300
      gcompris.set_background(self.gcomprisBoard.canvas.get_root_item(),"ballcatch/beach2.svgz")
    elif(self.gcomprisBoard.level == 4):
      self.timerinc = 200
    elif(self.gcomprisBoard.level == 5):
      self.timerinc = 150
      gcompris.set_background(self.gcomprisBoard.canvas.get_root_item(),"ballcatch/beach3.svgz")
    elif(self.gcomprisBoard.level == 6):
      self.timerinc = 100
    elif(self.gcomprisBoard.level == 7):
      self.timerinc = 60
      gcompris.set_background(self.gcomprisBoard.canvas.get_root_item(),"ballcatch/beach4.svgz")
    elif(self.gcomprisBoard.level == 8):
      self.timerinc = 30
    elif(self.gcomprisBoard.level == 9):
      gcompris.set_background(self.gcomprisBoard.canvas.get_root_item(),"ballcatch/beach4.svgz")
      self.timerinc = 15

    if(self.timerinc<1):
      self.timerinc = 1

    # Restart the timer
    self.timer_inc  = gobject.timeout_add(self.timerinc,
                                          self.timer_inc_display)


  def timer_inc_display(self):

    if(self.left_continue):
      self.counter_left += self.timer_inc

    if(self.right_continue):
      self.counter_right += self.timer_inc

    if(self.left_continue or self.right_continue):
      self.timer_inc  = gobject.timeout_add(self.timerinc,
                                            self.timer_inc_display)
    else:
      gcompris.sound.play_ogg("sounds/brick.wav")
      # Send the ball now
      self.timer_diff = self.counter_right/1000 - self.counter_left/1000
      # Make some adjustment so that it cannot be too or too far close from the target
      # In between, the calculated value stay proportional to the error.
      if(self.timer_diff < -6):
        self.timer_diff = -6
      elif(self.timer_diff > 6):
        self.timer_diff = 6
      elif(self.timer_diff > -1.5 and self.timer_diff < 0 ):
        self.timer_diff = -1.5
      elif(self.timer_diff < 1.5 and self.timer_diff > 0 ):
        self.timer_diff = 1.5

      self.timer_inc = gobject.timeout_add(self.ballinc, self.ball_move)

  def ball_move(self):

    # The move simulation
    self.balloon_size -= 3
    self.balloon_x    += self.timer_diff
    self.balloon_y    -= 5

    if(self.balloon_line_width>1.0):
      self.balloon_line_width -= 0.5

    self.balloon_item.props.center_x = self.balloon_x
    self.balloon_item.props.center_y = self.balloon_y
    self.balloon_item.props.radius_x = self.balloon_size/2
    self.balloon_item.props.radius_y = self.balloon_size/2
    self.balloon_item.props.line_width = self.balloon_line_width


    if(self.balloon_size>48):
      self.timer_inc  = gobject.timeout_add(self.ballinc,
                                            self.ball_move)
    else:
      # We are done with the ballon move
      if(self.counter_left == self.counter_right):
        # This is a win
        if (self.increment_level() == 1):
          gcompris.sound.play_ogg("sounds/tuxok.wav")
          self.gamewon = 1
          gcompris.bonus.display(gcompris.bonus.WIN, gcompris.bonus.TUX)
      else:
        # This is a loose
        gcompris.sound.play_ogg("sounds/youcannot.wav")
        self.gamewon = 0
        gcompris.bonus.display(gcompris.bonus.LOOSE, gcompris.bonus.TUX)

  def get_bounds(self, item):
    if gobject.type_name(item) == "GooCanvasImage":
      x1 = item.get_property("x")
      y1 = item.get_property("y")
      x2 = item.get_property("x")+item.get_property("width")
      y2 = item.get_property("y")+item.get_property("height")
      return (min(x1,x2),min(y1,y2),max(x1,x2),max(y1,y2))
    return(None)

  def init_balloon(self):
    self.balloon_size = 160
    self.balloon_line_width = 5.0
    self.balloon_x    = gcompris.BOARD_WIDTH/2-20
    self.balloon_y    = gcompris.BOARD_HEIGHT - 130

    self.balloon_item.props.center_x = self.balloon_x
    self.balloon_item.props.center_y = self.balloon_y
    self.balloon_item.props.radius_x = self.balloon_size/2
    self.balloon_item.props.radius_y = self.balloon_size/2
    self.balloon_item.props.fill_color_rgba = 0xFF1212FFL
    self.balloon_item.props.stroke_color_rgba = 0x000000FFL
    self.balloon_item.props.line_width = self.balloon_line_width


  # Code that increments the sublevel and level
  # And bail out if no more levels are available
  # return 1 if continue, 0 if bail out
  def increment_level(self):
    self.gcomprisBoard.sublevel += 1

    if(self.gcomprisBoard.sublevel>self.gcomprisBoard.number_of_sublevel):
      # Try the next level
      self.gcomprisBoard.sublevel=1
      self.gcomprisBoard.level += 1
      if(self.gcomprisBoard.level > self.gcomprisBoard.maxlevel):
        self.gcomprisBoard.level = self.gcomprisBoard.maxlevel

    return 1

APT Browse - Built by Thomas Orozco.