Mapping improvements.

make_graph.py

@@ -1,15 +1,29 @@
 #!/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, dest):
+def allalike(loc):
     "Select out loci related to the Maze All Alike"
-    return ("ALIKE" in loc) or ("MAZEEND" in loc) or ("STALACTITE" in loc) or (loc == "LOC_MISTWEST" and "ALIKE" in dest) 
+    return ("ALIKE" in loc) or (loc == "LOC_PITBRINK") or ("MAZEEND" in loc) or ("STALACTITE" in loc) or (loc == "LOC_MISTWEST")
+
+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"}
@@ -19,8 +33,59 @@ if __name__ == "__main__":
     with open("adventure.yaml", "r") as f:
         db = yaml.safe_load(f)
 
+    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"]:
+    
+    for (loc, attrs) in db["locations"]:        
+        if subset == "surface" and not surface(attrs):
+            continue
+        if subset == "maze" and not allalike(loc):
+            continue;
+        node_label = loc[4:]
+        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:
@@ -30,7 +95,7 @@ if __name__ == "__main__":
                 action = dest["action"]
                 if action[0] == "goto":
                     dest = action[1]
-                    if not allalike(loc, dest):
+                    if subset == "maze" and not (allalike(loc) or allalike(dest)):
                         continue;
                     arc = "%s -> %s" % (loc[4:], dest[4:])
                     label=",".join(verbs).lower()
@@ -38,5 +103,3 @@ if __name__ == "__main__":
                         arc += ' [label="%s"]' % label
                     print("    " + arc)
     print("}")
-
-