#!/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
"""
"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 alldifferent(loc):
+ "Select out loci related to the Maze All Alike"
+ return ("DIFFERENT" in loc) or (loc == "LOC_DEADEND13")
+
def surface(attrs):
"Select out surface locations"
if ("ABOVE" in attrs["conditions"]) and attrs["conditions"]["ABOVE"]:
def roomlabel(loc):
"Generate a room label from the description, if possible"
- loc_descriptions = dict(db["locations"])[loc]['description']
+ loc_descriptions = location_lookup[loc]['description']
description = loc[4:]
short = loc_descriptions["short"]
maptag = loc_descriptions["maptag"]
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) == 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)
for (switch, val) in options:
if switch == '-a':
subset = "all"
+ elif switch == '-d':
+ subset = "different"
elif switch == '-m':
subset = "maze"
elif switch == '-s':
print("digraph G {")
- for (loc, attrs) in db["locations"]:
+ for (loc, attrs) in db["locations"]:
+ if is_forwarder(loc):
+ continue
if subset == "surface" and not surface(attrs):
continue
if subset == "maze" and not allalike(loc):
continue;
+ if subset == "different" and not alldifferent(loc):
+ continue;
node_label = roomlabel(loc)
if loc in startlocs:
node_label += "\\n" + ",".join(startlocs[loc]).lower()
continue
action = dest["action"]
if action[0] == "goto":
- dest = action[1]
+ dest = forward(action[1])
if subset == "maze" and not (allalike(loc) or allalike(dest)):
continue;
+ if subset == "different" and not (alldifferent(loc) or alldifferent(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