Proof of concept for dungeon graph maker.

diff --git a/make_graph.py b/make_graph.py
new file mode 100755 (executable)
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--- /dev/null
+++ b/make_graph.py
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+#!/usr/bin/env python3
+
+# Make a DOT graph of the dungeon
+#
+# Copyright (c) 2017 by Eric S. Raymond
+# SPDX-License-Identifier: BSD-2-clause
+
+import sys, yaml
+
+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)
+
+if __name__ == "__main__":
+    with open("adventure.yaml", "r") as f:
+        db = yaml.safe_load(f)
+
+    print("digraph G {")
+    for (loc, attrs) in db["locations"]:
+        if not allalike(loc):
+            continue
+        travel = attrs["travel"]
+        if len(travel) > 0:
+            for dest in travel:
+                verbs = dest["verbs"]
+                if len(verbs) == 0:
+                    continue
+                action = dest["action"]
+                if action[0] == "goto":
+                    arc = "%s -> %s" % (loc[4:], action[1][4:])
+                    label=",".join(verbs).lower()
+                    if len(label) > 0:
+                        arc += ' [label="%s"]' % label
+                    print("    " + arc)
+    print("}")
+
+