#!/usr/bin/env python3
"""\
-usage: make-graph.py [-a] [-m] [-s]
+usage: make-graph.py [-a] -d] [-m] [-s]
-Make a DOT graph of Colossal Cave
+Make a DOT graph of Colossal Cave.
-a = emit graph of entire dungeon
+-d = emit graoh of mazw all different
-m = emit graph of maze all alike
-s = emit graph of surface locations
"""
# Copyright (c) 2017 by Eric S. Raymond
# SPDX-License-Identifier: BSD-2-clause
-import sys, yaml, getopt
+import sys, getopt, yaml
def allalike(loc):
"Select out loci related to the Maze All Alike"
return ("ALIKE" in loc) or (loc == "LOC_PITBRINK") or ("MAZEEND" in loc) or ("STALACTITE" in loc)
-def surface(attrs):
+def alldifferent(loc):
+ "Select out loci related to the Maze All Alike"
+ return ("DIFFERENT" in loc) or (loc == "LOC_DEADEND13")
+
+def surface(loc):
"Select out surface locations"
+ attrs = location_lookup[loc]
if ("ABOVE" in attrs["conditions"]) and attrs["conditions"]["ABOVE"]:
return True
if ("FOREST" in attrs["conditions"]) and attrs["conditions"]["FOREST"]:
m = {"NORTH":"N", "EAST":"E", "SOUTH":"S", "WEST":"W", "UPWAR":"U", "DOWN":"D"}
return m.get(d, d)
+def roomlabel(loc):
+ "Generate a room label from the description, if possible"
+ loc_descriptions = location_lookup[loc]['description']
+ description = loc[4:]
+ longd = loc_descriptions["long"]
+ short = loc_descriptions["maptag"] or loc_descriptions["short"]
+ if short is None and longd is not None and len(longd) < 20:
+ short = loc_descriptions["long"]
+ if short is not None:
+ if short.startswith("You're "):
+ short = short[7:]
+ if short.startswith("You are "):
+ short = short[8 :]
+ if short.startswith("in ") or short.startswith("at ") or short.startswith("on "):
+ short = short[3:]
+ if short.startswith("the "):
+ short = short[4:]
+ if short[:3] in {"n/s", "e/w"}:
+ short = short[:3].upper() + short[3:]
+ elif short[:2] in {"ne", "sw", "se", "nw"}:
+ short = short[:2].upper() + short[2:]
+ else:
+ short = short[0].upper() + short[1:]
+ description += "\\n" + short
+ return description
+
+# A forwarder is a location that you can't actually stop in - when you go there
+# it ships some message (which is the point) then shifts you to a nexr location.
+# A forwarder has a zero-length array of notion verbs in its travel section.
+#
+# Here is an examoke forwarder kocation:
+#
+# - LOC_GRUESOME:
+# description:
+# long: 'There is now one more gruesome aspect to the spectacular vista.'
+# short: !!null
+# maptag: !!null
+# conditions: {DEEP: true}
+# travel: [
+# {verbs: [], action: [goto, LOC_NOWHERE]},
+# ]
+
+def is_forwarder(loc):
+ "Is a location a forwarder?"
+ travel = location_lookup[loc]['travel']
+ return len(travel) == 1 and len(travel[0]['verbs']) == 0
+
+def forward(loc):
+ "Chase a location through forwarding links."
+ while is_forwarder(loc):
+ loc = location_lookup[loc]["travel"][0]["action"][1]
+ return loc
+
if __name__ == "__main__":
with open("adventure.yaml", "r") as f:
db = yaml.safe_load(f)
+ location_lookup = dict(db["locations"])
+
try:
- (options, arguments) = getopt.getopt(sys.argv[1:], "ams")
+ (options, arguments) = getopt.getopt(sys.argv[1:], "adms")
except getopt.GetoptError as e:
print(e)
sys.exit(1)
- subset = "maze"
+ subset = allalike
for (switch, val) in options:
if switch == '-a':
- subset = "all"
+ subset = lambda loc: True
+ elif switch == '-d':
+ subset = alldifferent
elif switch == '-m':
- subset = "maze"
+ subset = allalike
elif switch == '-s':
- subset = "surface"
+ subset = surface
else:
sys.stderr.write(__doc__)
- raise SystemExit(1)
+ raise SystemExit(1)
startlocs = {}
for obj in db["objects"]:
startlocs[location] = [objname]
print("digraph G {")
-
- for (loc, attrs) in db["locations"]:
- if subset == "surface" and not surface(attrs):
+
+ for (loc, attrs) in db["locations"]:
+ if is_forwarder(loc):
+ continue
+ if not subset(loc):
continue
- if subset == "maze" and not allalike(loc):
- continue;
- node_label = loc[4:]
+ node_label = roomlabel(loc)
if loc in startlocs:
node_label += "\\n" + ",".join(startlocs[loc]).lower()
print(' %s [shape=box,label="%s"]' % (loc[4:], node_label))
-
- for (loc, attrs) in db["locations"]:
- if subset == "surface" and not surface(attrs):
- continue
+
+ for (loc, attrs) in db["locations"]:
travel = attrs["travel"]
if len(travel) > 0:
for dest in travel:
continue
action = dest["action"]
if action[0] == "goto":
- dest = action[1]
- if subset == "maze" and not (allalike(loc) or allalike(dest)):
- continue;
+ dest = forward(action[1])
+ if not (subset(loc) or subset(dest)):
+ continue
arc = "%s -> %s" % (loc[4:], dest[4:])
label=",".join(verbs).lower()
if len(label) > 0:
arc += ' [label="%s"]' % label
print(" " + arc)
print("}")
+
+# end
projects / open-adventure.git / blobdiff