def explodeGame(self):
"""
Make an explosion effect on the screen as the grid is destroyed.
"""
# obtain the size of the playing area
size = (self.gridContainer.get_allocated_width(),
self.gridContainer.get_allocated_height())
# make the explosion flashImage
flashImage = getImage('Explosion')
updateImage(flashImage, 'Explosion', size)
self.gridContainer.add_with_viewport(flashImage)
# flash the explosion 5 times
for i in range(5):
# display the explosion
updateImage(self.startImage, 'Click', TOOL_SIZE)
flashImage.show()
pause(100) # wait 200ms without blocking the Gtk event loop
# hide the explosion
updateImage(self.startImage, 'Lose', TOOL_SIZE)
flashImage.hide()
pause(100) # wait 200ms without blocking the Gtk event loop
# ... then destroy the explosion image
flashImage.destroy()
def leftMouse(self, widget):
"""
Left-Mouse handler. We use this to clear the area.
"""
# action exclusions
if self.flagged:
if widget == self and not self.parent.exploded:
self.set_active(False) # TODO: not sure why this works
updateImage(self.parent.parent.startImage, 'Start', TOOL_SIZE)
return False
if self.exposed or self.exploded:
return False
# disable the button and change its colour once it has been left-clicked
self.set_sensitive(False)
if not self.parent.exploded: self.set_active(True)
exposedNeighbours = 0
# end game - we hit a mine - lose
if self.mined:
self.exploded = True
# choose the image
if self.parent.exploded: # cleardown mode
self.imageKey = 'UXB'
else: # normal mode
self.set_active(True)
self.imageKey = 'Explosion' # lose
updateImage(self.image, self.imageKey, self.imageSize)
# short pause to let gtk events sort themselves out
if not self.parent.exploded:
pause(200)
self.parent.exploded = True # notify end-game
else: # expose the button, display the number of neighbour mines
self.exposed = True
# update the image
self.imageKey = 'Empty'
if self.neighbourMines > 0:
self.imageKey = str(self.neighbourMines)
updateImage(self.image, self.imageKey, self.imageSize)
# propagate exposure to the neighbours if mines = flags
if self.neighbourFlags == self.neighbourMines:
for neighbour in self.neighbourList:
exposedNeighbours += neighbour.leftMouse(widget)
# update count of exposed buttons - potential win end game
exposedNeighbours += 1 # add self to the count
if widget == self:
self.parent.incrementExposedCount(exposedNeighbours)
# reset the start button image
if not self.parent.gameOver:
updateImage(self.parent.parent.startImage, 'Start', TOOL_SIZE)
else: return exposedNeighbours