plomlompom.com Git - plomrogue/blob - server/make_world.py

   1 # This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
   2 # or any later version. For details on its copyright, license, and warranties,
   3 # see the file NOTICE in the root directory of the PlomRogue source package.
   4
   5
   6 from server.config.world_data import world_db, symbols_passable
   7 from server.config.make_world_helpers import make_map, world_makable, pos_test
   8 from server.config.io import io_db
   9 from server.utils import rand, libpr, id_setter
  10 from server.new_thing import new_Thing
  11 from server.io import strong_write
  12 from server.update_map_memory import update_map_memory
  13
  14
  15 def make_world(seed):
  16     """(Re-)build game world, i.e. map, things, to a new turn 1 from seed.
  17
  18     Seed rand with seed. Do more only with a "wait" ThingAction and
  19     world["PLAYER_TYPE"] matching ThingType of TT_START_NUMBER > 0. Then,
  20     world_db["Things"] emptied, call make_map() and set
  21     world_db["WORLD_ACTIVE"], world_db["TURN"] to 1. Build new Things
  22     according to ThingTypes' TT_START_NUMBERS, with Thing of ID 0 to ThingType
  23     of ID = world["PLAYER_TYPE"]. Place Things randomly, and actors not on each
  24     other. Init player's memory map. Write "NEW_WORLD" line to out file.
  25     """
  26     def free_pos(type):
  27         i = 0
  28         while 1:
  29             err = "Space to put thing on too hard to find. Map too small?"
  30             while 1:
  31                 y = rand.next() % world_db["MAP_LENGTH"]
  32                 x = rand.next() % world_db["MAP_LENGTH"]
  33                 if chr(world_db["MAP"][y * world_db["MAP_LENGTH"] + x]) in \
  34                     symbols_passable and pos_test(type, y, x):
  35                     break
  36                 i += 1
  37                 if i == 65535:
  38                     raise SystemExit(err)
  39             # Replica of C code, wrongly ignores animatedness of new Thing.
  40             pos_clear = (0 == len([id for id in world_db["Things"]
  41                                    if world_db["Things"][id]["T_LIFEPOINTS"]
  42                                    if world_db["Things"][id]["T_POSY"] == y
  43                                    if world_db["Things"][id]["T_POSX"] == x]))
  44             if pos_clear:
  45                 break
  46         return (y, x)
  47
  48     playertype = world_makable()
  49     if playertype < 0:
  50         return
  51     rand.seed = seed
  52     libpr.set_maplength(world_db["MAP_LENGTH"])
  53     world_db["Things"] = {}
  54     make_map()
  55     world_db["WORLD_ACTIVE"] = 1
  56     world_db["TURN"] = 1
  57     for i in range(world_db["ThingTypes"][playertype]["TT_START_NUMBER"]):
  58         id = id_setter(-1, "Things")
  59         world_db["Things"][id] = new_Thing(playertype, free_pos(playertype))
  60     if not world_db["Things"][0]["fovmap"]:
  61         empty_fovmap = bytearray(b" " * world_db["MAP_LENGTH"] ** 2)
  62         world_db["Things"][0]["fovmap"] = empty_fovmap
  63     update_map_memory(world_db["Things"][0])
  64     for type in world_db["ThingTypes"]:
  65         for i in range(world_db["ThingTypes"][type]["TT_START_NUMBER"]):
  66             if type != playertype:
  67                 id = id_setter(-1, "Things")
  68                 world_db["Things"][id] = new_Thing(type, free_pos(type))
  69     strong_write(io_db["file_out"], "NEW_WORLD\n")