def getDict():
"""Return a dictionary mapping flag abbreviations to flag classes"""
import BZFlag.Flag.List
return Util.getSubclassDict(BZFlag.Flag.List, FlagBase, 'abbreviation')
def getMessageDict(module):
"""Return a dictionary mapping message IDs to message classes,
given a module containing Message subclasses.
"""
return Util.getSubclassDict(module, Message, 'messageId')
def Text(name,
size = Scale.WorldSize,
wallHeight = Scale.WallHeight,
):
"""
Load a world from a text file. This is the default world format.
Positional arguments:
name : File or URI containing the world
Keyword arguments:
size : Default distance along each side of the generated square world
wallHeight : Height of the world's walls
"""
import re
f = Util.autoFile(name)
w = World()
section = None
sectionDict = Util.getSubclassDict(WorldObjects, WorldObjects.WorldObject,
'textName', 'textSectionDict')
# We won't actually add the objects to the world until later,
# since we need to start the world out with walls and a game style
# block, but we might get the information needed for those at any
# point in the file.
w.erase()
blocks = []
for line in f:
# If this is a kludge used by map editors to store extra
# attributes. Don't process any comments on the line.
if not line.startswith("#!"):
line = re.sub("#.*", "", line)
line = line.strip()
if line:
if section:
# We're inside a section. Accumulate lines until 'end'
sectionLines.append(line)
if line == 'end':
# Done with this section, process it.
if section == 'world':
# World information
for line in sectionLines:
tokens = re.split("\s+", line)
keyword = tokens[0].lower()
args = tokens[1:]
if keyword == 'size':
size = int(args[0])
else:
# Assume all other sections are world objects
try:
cls = sectionDict[section]
except KeyError:
raise Errors.ProtocolError(
"World file contains unknown section type '%s'" % section)
inst = cls()
inst.textRead(sectionLines)
blocks.append(inst)
section = None
elif not line.startswith("#!"):
# We're beginning a section
section = line.lower()
if section.find(" ") >= 0:
raise Errors.ProtocolError("Unexpected whitespace within section name")
sectionLines = []
if section:
raise Errors.ProtocolError("World file has unterminated '%s' section" % section)
# Now store all the blocks in our world
w.storeSkeletonHeader(size, wallHeight)
for block in blocks:
w.storeBlock(block)
w.storeSkeletonFooter()
w.postprocess()
return w
