#!/usr/bin/env python3
+"""\
+usage: make-graph.py [-a] [-m] [-s]
-# Make a DOT graph of the dungeon
-#
+Make a DOT graph of Colossal Cave
+
+-a = emit graph of entire dungeon
+-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
+import sys, yaml, getopt
def allalike(loc):
"Select out loci related to the Maze All Alike"
- return (loc == "LOC_MISTWEST") or ("ALIKE" in loc) or ("DEADEND" in loc) or ("STALACTITE" in loc)
+ return ("ALIKE" in loc) or (loc == "LOC_PITBRINK") or ("MAZEEND" in loc) or ("STALACTITE" in loc)
+
+def surface(attrs):
+ "Select out surface locations"
+ if ("ABOVE" in attrs["conditions"]) and attrs["conditions"]["ABOVE"]:
+ return True
+ if ("FOREST" in attrs["conditions"]) and attrs["conditions"]["FOREST"]:
+ return True
+ return False
+
+def abbreviate(d):
+ 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:]
+ short = loc_descriptions["short"]
+ maptag = loc_descriptions["maptag"]
+ 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[: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:]
+ elif loc_descriptions["maptag"] is not None:
+ short = loc_descriptions["maptag"]
+ elif loc_descriptions["long"] is not None and len(loc_descriptions["long"]) < 20:
+ short = loc_descriptions["long"]
+ if short is not None:
+ description += "\\n" + short
+ return description
+
+# A forwarder is a location tat 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) ==h 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")
+ except getopt.GetoptError as e:
+ print(e)
+ sys.exit(1)
+
+ subset = "maze"
+ for (switch, val) in options:
+ if switch == '-a':
+ subset = "all"
+ elif switch == '-m':
+ subset = "maze"
+ elif switch == '-s':
+ subset = "surface"
+ else:
+ sys.stderr.write(__doc__)
+ raise SystemExit(1)
+
+ startlocs = {}
+ for obj in db["objects"]:
+ objname = obj[0]
+ location = obj[1].get("locations")
+ if "OBJ" not in objname and location != "LOC_NOWHERE" and ("immovable" not in obj[1] or not obj[1]["immovable"]):
+ if location in startlocs:
+ startlocs[location].append(objname)
+ else:
+ startlocs[location] = [objname]
+
+ startlocs = {}
+ for obj in db["objects"]:
+ objname = obj[0]
+ location = obj[1].get("locations")
+ if "OBJ" not in objname and location != "LOC_NOWHERE" and ("immovable" not in obj[1] or not obj[1]["immovable"]):
+ if location in startlocs:
+ startlocs[location].append(objname)
+ else:
+ startlocs[location] = [objname]
+
print("digraph G {")
+
for (loc, attrs) in db["locations"]:
- if not allalike(loc):
+ if is_forwarder(loc):
+ continue
+ if subset == "surface" and not surface(attrs):
+ continue
+ if subset == "maze" and not allalike(loc):
+ continue;
+ 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
travel = attrs["travel"]
if len(travel) > 0:
for dest in travel:
- verbs = dest["verbs"]
+ verbs = [abbreviate(x) for x in dest["verbs"]]
if len(verbs) == 0:
continue
action = dest["action"]
if action[0] == "goto":
- arc = "%s -> %s" % (loc[4:], action[1][4:])
+ dest = forward(action[1])
+ if subset == "maze" and not (allalike(loc) or allalike(dest)):
+ continue;
+ arc = "%s -> %s" % (loc[4:], dest[4:])
label=",".join(verbs).lower()
if len(label) > 0:
arc += ' [label="%s"]' % label
print(" " + arc)
print("}")
-
-
projects / open-adventure.git / blobdiff