+# This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
+# or any later version. For details on its copyright, license, and warranties,
+# see the file NOTICE in the root directory of the PlomRogue source package.
+
+
+def thingproliferation(t, prol_map):
+ """To chance of 1/TT_PROLIFERATE, create t offspring in open neighbor cell.
+
+ Naturally only works with TT_PROLIFERATE > 0. The neighbor cell must be be
+ marked "." in prol_map. If there are several map cell candidates, one is
+ selected randomly.
+ """
+ from server.config.world_data import directions_db, symbols_passable,\
+ world_db
+ from server.utils import mv_yx_in_dir_legal, rand
+ from server.new_thing import new_Thing
+ prolscore = world_db["ThingTypes"][t["T_TYPE"]]["TT_PROLIFERATE"]
+ if prolscore and (1 == prolscore or 1 == (rand.next() % prolscore)):
+ candidates = []
+ for dir in [directions_db[key] for key in sorted(directions_db.keys())]:
+ mv_result = mv_yx_in_dir_legal(dir, t["T_POSY"], t["T_POSX"])
+ c = prol_map[mv_result[1] + world_db["MAP_LENGTH"] + mv_result[2]]
+ if mv_result[0] and str(c) in symbols_passable:
+ candidates.append((mv_result[1], mv_result[2]))
+ if len(candidates):
+ i = rand.next() % len(candidates)
+ id = id_setter(-1, "Things")
+ newT = new_Thing(t["T_TYPE"], (candidates[i][0], candidates[i][1]))
+ world_db["Things"][id] = newT