def _do_save(self, savegame):
"""Actual save code.
@param savegame: absolute path"""
assert os.path.isabs(savegame)
self.log.debug("Session: Saving to %s", savegame)
try:
if os.path.exists(savegame):
os.unlink(savegame)
self.savecounter += 1
db = DbReader(savegame)
except IOError as e: # usually invalid filename
headline = _("Failed to create savegame file")
descr = _("There has been an error while creating your savegame file.")
advice = _("This usually means that the savegame name contains unsupported special characters.")
self.gui.show_error_popup(headline, descr, advice, unicode(e))
return self.save() # retry with new savegamename entered by the user
# this must not happen with quicksave/autosave
except ZeroDivisionError as err:
# TODO:
# this should say WindowsError, but that somehow now leads to a NameError
if err.winerror == 5:
self.gui.show_error_popup(_("Access is denied"), \
_("The savegame file is probably read-only."))
return self.save()
elif err.winerror == 32:
self.gui.show_error_popup(_("File used by another process"), \
_("The savegame file is currently used by another program."))
return self.save()
raise
try:
read_savegame_template(db)
db("BEGIN")
self.world.save(db)
#self.manager.save(db)
self.view.save(db)
self.ingame_gui.save(db)
self.scenario_eventhandler.save(db)
LastActivePlayerSettlementManager().save(db)
for instance in self.selected_instances:
db("INSERT INTO selected(`group`, id) VALUES(NULL, ?)", instance.worldid)
for group in xrange(len(self.selection_groups)):
for instance in self.selection_groups[group]:
db("INSERT INTO selected(`group`, id) VALUES(?, ?)", group, instance.worldid)
rng_state = json.dumps( self.random.getstate() )
SavegameManager.write_metadata(db, self.savecounter, rng_state)
# make sure everything get's written now
db("COMMIT")
db.close()
return True
except:
print "Save Exception"
traceback.print_exc()
db.close() # close db before delete
os.unlink(savegame) # remove invalid savegamefile
return False
def _create_map_db(self, savepath): """Returns a dbreader instance, that is connected to the main game data dbfiles.""" horizons.main.PATHS.SAVEGAME_TEMPLATE = os.path.join(util.getUHPath(), horizons.main.PATHS.SAVEGAME_TEMPLATE) db = UhDbAccessor(savepath) read_savegame_template(db) return db
def _do_save(self, savegame):
"""Actual save code.
@param savegame: absolute path"""
assert os.path.isabs(savegame)
self.log.debug("Session: Saving to %s", savegame)
try:
if os.path.exists(savegame):
os.unlink(savegame)
self.savecounter += 1
db = DbReader(savegame)
except IOError as e: # usually invalid filename
headline = T("Failed to create savegame file")
descr = T(
"There has been an error while creating your savegame file.")
advice = T(
"This usually means that the savegame name contains unsupported special characters."
)
self.ingame_gui.open_error_popup(headline, descr, advice,
unicode(e))
# retry with new savegamename entered by the user
# (this must not happen with quicksave/autosave)
return self.save()
except OSError as e:
if e.errno != errno.EACCES:
raise
self.ingame_gui.open_error_popup(
T("Access is denied"),
T("The savegame file could be read-only or locked by another process."
))
return self.save()
try:
read_savegame_template(db)
db("BEGIN")
self.world.save(db)
self.view.save(db)
self.ingame_gui.save(db)
self.scenario_eventhandler.save(db)
# Store RNG state
rng_state = json.dumps(self.random.getstate())
SavegameManager.write_metadata(db, self.savecounter, rng_state)
# Make sure everything gets written now
db("COMMIT")
db.close()
return True
except Exception:
self.log.error("Save Exception:")
traceback.print_exc()
# remove invalid savegamefile (but close db connection before deleting)
db.close()
os.unlink(savegame)
return False
def _do_save(self, savegame):
"""Actual save code.
@param savegame: absolute path"""
assert os.path.isabs(savegame)
self.log.debug("Session: Saving to %s", savegame)
try:
if os.path.exists(savegame):
os.unlink(savegame)
self.savecounter += 1
db = DbReader(savegame)
except IOError as e: # usually invalid filename
headline = _("Failed to create savegame file")
descr = _("There has been an error while creating your savegame file.")
advice = _("This usually means that the savegame name contains unsupported special characters.")
self.ingame_gui.show_error_popup(headline, descr, advice, unicode(e))
# retry with new savegamename entered by the user
# (this must not happen with quicksave/autosave)
return self.save()
except OSError as e:
if e.errno != errno.EACCES:
raise
self.ingame_gui.show_error_popup(
_("Access is denied"),
_("The savegame file could be read-only or locked by another process.")
)
return self.save()
try:
read_savegame_template(db)
db("BEGIN")
self.world.save(db)
self.view.save(db)
self.ingame_gui.save(db)
self.scenario_eventhandler.save(db)
# Store RNG state
rng_state = json.dumps(self.random.getstate())
SavegameManager.write_metadata(db, self.savecounter, rng_state)
# Make sure everything gets written now
db("COMMIT")
db.close()
return True
except Exception:
self.log.error("Save Exception:")
traceback.print_exc()
# remove invalid savegamefile (but close db connection before deleting)
db.close()
os.unlink(savegame)
return False
def save_map(world, path, prefix):
map_file = os.path.join(path, prefix + '.sqlite')
db = DbReader(map_file)
read_savegame_template(db)
db('BEGIN')
for island in world.islands:
island_name = '%s_island_%d_%d.sqlite' % (prefix, island.origin.x, island.origin.y)
island_db_path = os.path.join(path, island_name)
if os.path.exists(island_db_path):
os.unlink(island_db_path) # the process relies on having an empty file
db('INSERT INTO island (x, y, file) VALUES(?, ?, ?)', island.origin.x, island.origin.y, 'content/islands/' + island_name)
island_db = DbReader(island_db_path)
island.save_map(island_db)
island_db.close()
db('COMMIT')
db.close()
def save_map(world, path, prefix):
map_file = os.path.join(path, prefix + '.sqlite')
db = DbReader(map_file)
read_savegame_template(db)
db('BEGIN')
for island in world.islands:
island_name = '%s_island_%d_%d.sqlite' % (prefix, island.origin.x,
island.origin.y)
island_db_path = os.path.join(path, island_name)
if os.path.exists(island_db_path):
os.unlink(
island_db_path) # the process relies on having an empty file
db('INSERT INTO island (x, y, file) VALUES(?, ?, ?)', island.origin.x,
island.origin.y, 'content/islands/' + island_name)
island_db = DbReader(island_db_path)
island.save_map(island_db)
island_db.close()
db('COMMIT')
db.close()
def create_map():
"""
Create a map with a square island (20x20) at position (20, 20) and return the path
to the database file.
"""
# Create island.
fd, islandfile = tempfile.mkstemp()
os.close(fd)
db = DbReader(islandfile)
db("CREATE TABLE ground(x INTEGER NOT NULL, y INTEGER NOT NULL, ground_id INTEGER NOT NULL, action_id TEXT NOT NULL, rotation INTEGER NOT NULL)")
db("CREATE TABLE island_properties(name TEXT PRIMARY KEY NOT NULL, value TEXT NOT NULL)")
db("BEGIN TRANSACTION")
tiles = []
for x, y in Rect.init_from_topleft_and_size(0, 0, 20, 20).tuple_iter():
if (0 < x < 20) and (0 < y < 20):
ground = GROUND.DEFAULT_LAND
else:
# Add coastline at the borders.
ground = GROUND.SHALLOW_WATER
tiles.append([x, y] + list(ground))
db.execute_many("INSERT INTO ground VALUES(?, ?, ?, ?, ?)", tiles)
db("COMMIT")
# Create savegame with the island above.
fd, savegame = tempfile.mkstemp()
os.close(fd)
db = DbReader(savegame)
read_savegame_template(db)
db("BEGIN TRANSACTION")
db("INSERT INTO island (x, y, file) VALUES(?, ?, ?)", 20, 20, islandfile)
db("COMMIT")
return savegame
def generate_map(seed, map_size, water_percent, max_island_size, preferred_island_size, island_size_deviation):
"""
Generates a random map.
@param seed: random number generator seed
@param map_size: maximum map side length
@param water_percent: minimum percent of map covered with water
@param max_island_size: maximum island side length
@param preferred_island_size: mean of island side lengths
@param island_size_deviation: deviation of island side lengths
@return: filename of the SQLite database containing the map
"""
max_island_size = min(max_island_size, map_size)
rand = random.Random(_simplify_seed(seed))
min_island_size = 20 # minimum chosen island side length (the real size my be smaller)
min_island_separation = 3 + map_size / 100 # minimum distance between two islands
max_island_side_coefficient = 4 # maximum value of island's max(side length) / min(side length)
islands = []
estimated_land = 0
max_land_amount = map_size * map_size * (100 - water_percent) / 100
trial_number = 0
while trial_number < 100:
trial_number += 1
width = max(min_island_size, min(max_island_size, int(round(rand.gauss(preferred_island_size, island_size_deviation)))))
side_coefficient = min(1 + abs(rand.gauss(0, 0.2)), max_island_side_coefficient)
side_coefficient = side_coefficient if rand.randint(0, 1) else 1.0 / side_coefficient
height = max(min_island_size, min(max_island_size, int(round(width * side_coefficient))))
size = width * height
if estimated_land + size > max_land_amount:
continue
for _ in xrange(13):
x = rand.randint(0, map_size - width)
y = rand.randint(0, map_size - height)
rect = Rect.init_from_topleft_and_size(x, y, width, height)
blocked = False
for existing_island in islands:
if existing_island.distance_to_rect(rect) < min_island_separation:
blocked = True
break
if not blocked:
islands.append(rect)
estimated_land += size
trial_number = 0
break
handle, filename = tempfile.mkstemp()
os.close(handle)
db = DbReader(filename)
read_savegame_template(db)
# move some of the islands to stretch the map to the right size
if len(islands) > 1:
min_top = min(rect.top for rect in islands)
rect = rand.choice([rect for rect in islands if rect.top == min_top])
islands[islands.index(rect)] = Rect.init_from_borders(rect.left, rect.top - min_top, rect.right, rect.bottom - min_top)
max_bottom = max(rect.bottom for rect in islands)
rect = rand.choice([rect for rect in islands if rect.bottom == max_bottom])
shift = map_size - max_bottom - 1
islands[islands.index(rect)] = Rect.init_from_borders(rect.left, rect.top + shift, rect.right, rect.bottom + shift)
min_left = min(rect.left for rect in islands)
rect = rand.choice([rect for rect in islands if rect.left == min_left])
islands[islands.index(rect)] = Rect.init_from_borders(rect.left - min_left, rect.top, rect.right - min_left, rect.bottom)
max_right = max(rect.right for rect in islands)
rect = rand.choice([rect for rect in islands if rect.right == max_right])
shift = map_size - max_right - 1
islands[islands.index(rect)] = Rect.init_from_borders(rect.left + shift, rect.top, rect.right + shift, rect.bottom)
for rect in islands:
island_seed = rand.randint(-sys.maxint, sys.maxint)
island_params = {'creation_method': 2, 'seed': island_seed, 'width': rect.width, 'height': rect.height}
island_string = string.Template(_random_island_id_template).safe_substitute(island_params)
db("INSERT INTO island (x, y, file) VALUES(?, ?, ?)", rect.left, rect.top, island_string)
return filename
def _do_save(self, savegame):
"""Actual save code.
@param savegame: absolute path"""
assert os.path.isabs(savegame)
self.log.debug("Session: Saving to %s", savegame)
try:
if os.path.exists(savegame):
os.unlink(savegame)
self.savecounter += 1
db = DbReader(savegame)
except IOError as e: # usually invalid filename
headline = _("Failed to create savegame file")
descr = _(
"There has been an error while creating your savegame file.")
advice = _(
"This usually means that the savegame name contains unsupported special characters."
)
self.gui.show_error_popup(headline, descr, advice, unicode(e))
return self.save(
) # retry with new savegamename entered by the user
# this must not happen with quicksave/autosave
except OSError as e:
if e.errno == errno.EACCES:
self.gui.show_error_popup(
_("Access is denied"),
_("The savegame file could be read-only or locked by another process."
))
return self.save()
raise
try:
read_savegame_template(db)
db("BEGIN")
self.world.save(db)
#self.manager.save(db)
self.view.save(db)
self.ingame_gui.save(db)
self.scenario_eventhandler.save(db)
LastActivePlayerSettlementManager().save(db)
for instance in self.selected_instances:
db("INSERT INTO selected(`group`, id) VALUES(NULL, ?)",
instance.worldid)
for group in xrange(len(self.selection_groups)):
for instance in self.selection_groups[group]:
db("INSERT INTO selected(`group`, id) VALUES(?, ?)", group,
instance.worldid)
rng_state = json.dumps(self.random.getstate())
SavegameManager.write_metadata(db, self.savecounter, rng_state)
# make sure everything gets written now
db("COMMIT")
db.close()
return True
except:
print "Save Exception"
traceback.print_exc()
db.close() # close db before delete
os.unlink(savegame) # remove invalid savegamefile
return False
def _do_save(self, savegame):
"""Actual save code.
@param savegame: absolute path"""
assert os.path.isabs(savegame)
self.log.debug("Session: Saving to %s", savegame)
try:
if os.path.exists(savegame):
os.unlink(savegame)
self.savecounter += 1
db = DbReader(savegame)
except IOError as e: # usually invalid filename
headline = _("Failed to create savegame file")
descr = _("There has been an error while creating your savegame file.")
advice = _("This usually means that the savegame name contains unsupported special characters.")
self.ingame_gui.show_error_popup(headline, descr, advice, unicode(e))
# retry with new savegamename entered by the user
# (this must not happen with quicksave/autosave)
return self.save()
except OSError as e:
if e.errno != errno.EACCES:
raise
self.ingame_gui.show_error_popup(
_("Access is denied"), _("The savegame file could be read-only or locked by another process.")
)
return self.save()
try:
read_savegame_template(db)
db("BEGIN")
self.world.save(db)
self.view.save(db)
self.ingame_gui.save(db)
self.scenario_eventhandler.save(db)
# Store instances that are selected right now.
for instance in self.selected_instances:
db("INSERT INTO selected (`group`, id) VALUES (NULL, ?)", instance.worldid)
# If a single instance is selected, also store the currently displayed tab.
# (Else, upon restoring, we display a multi-selection tab.)
tabname = None
if len(self.selected_instances) == 1:
tabclass = self.ingame_gui.get_cur_menu().current_tab
tabname = tabclass.__class__.__name__
db("INSERT INTO metadata (name, value) VALUES (?, ?)", "selected_tab", tabname)
# Store user defined unit selection groups (Ctrl+number)
for (number, group) in enumerate(self.selection_groups):
for instance in group:
db("INSERT INTO selected (`group`, id) VALUES (?, ?)", number, instance.worldid)
# Store RNG state
rng_state = json.dumps(self.random.getstate())
SavegameManager.write_metadata(db, self.savecounter, rng_state)
# Make sure everything gets written now
db("COMMIT")
db.close()
return True
except Exception:
self.log.error("Save Exception:")
traceback.print_exc()
# remove invalid savegamefile (but close db connection before deleting)
db.close()
os.unlink(savegame)
return False
