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

   1 from server.config.world_data import world_db
   2 from server.io import log
   3 from server.utils import rand, libpr, c_pointer_to_bytearray
   4 from server.utils import id_setter
   5
   6
   7 def thingproliferation(t, prol_map):
   8     """To chance of 1/TT_PROLIFERATE, create t offspring in open neighbor cell.
   9
  10     Naturally only works with TT_PROLIFERATE > 0. The neighbor cell must be be
  11     marked '.' in prol_map. If there are several map cell candidates, one is
  12     selected randomly.
  13     """
  14     from server.config.world_data import directions_db
  15     from server.utils import mv_yx_in_dir_legal
  16     prolscore = world_db["ThingTypes"][t["T_TYPE"]]["TT_PROLIFERATE"]
  17     if prolscore and (1 == prolscore or 1 == (rand.next() % prolscore)):
  18         candidates = []
  19         for dir in [directions_db[key] for key in sorted(directions_db.keys())]:
  20             mv_result = mv_yx_in_dir_legal(dir, t["T_POSY"], t["T_POSX"])
  21             if mv_result[0] and  ord('.') == prol_map[mv_result[1]
  22                                                       * world_db["MAP_LENGTH"]
  23                                                       + mv_result[2]]:
  24                 candidates.append((mv_result[1], mv_result[2]))
  25         if len(candidates):
  26             i = rand.next() % len(candidates)
  27             id = id_setter(-1, "Things")
  28             newT = new_Thing(t["T_TYPE"], (candidates[i][0], candidates[i][1]))
  29             world_db["Things"][id] = newT
  30
  31
  32 def update_map_memory(t, age_map=True):
  33     """Update t's T_MEMMAP with what's in its FOV now,age its T_MEMMEPTHMAP."""
  34
  35     def age_some_memdepthmap_on_nonfov_cells():
  36         # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
  37         # ord_v = ord("v")
  38         # ord_0 = ord("0")
  39         # ord_9 = ord("9")
  40         # for pos in [pos for pos in range(world_db["MAP_LENGTH"] ** 2)
  41         #             if not ord_v == t["fovmap"][pos]
  42         #             if ord_0 <= t["T_MEMDEPTHMAP"][pos]
  43         #             if ord_9 > t["T_MEMDEPTHMAP"][pos]
  44         #             if not rand.next() % (2 **
  45         #                                   (t["T_MEMDEPTHMAP"][pos] - 48))]:
  46         #     t["T_MEMDEPTHMAP"][pos] += 1
  47         memdepthmap = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"])
  48         fovmap = c_pointer_to_bytearray(t["fovmap"])
  49         libpr.age_some_memdepthmap_on_nonfov_cells(memdepthmap, fovmap)
  50
  51     if not t["T_MEMMAP"]:
  52         t["T_MEMMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
  53     if not t["T_MEMDEPTHMAP"]:
  54         t["T_MEMDEPTHMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
  55     ord_v = ord("v")
  56     ord_0 = ord("0")
  57     for pos in [pos for pos in range(world_db["MAP_LENGTH"] ** 2)
  58                 if ord_v == t["fovmap"][pos]]:
  59         t["T_MEMDEPTHMAP"][pos] = ord_0
  60         t["T_MEMMAP"][pos] = world_db["MAP"][pos]
  61     if age_map:
  62         age_some_memdepthmap_on_nonfov_cells()
  63     t["T_MEMTHING"] = [mt for mt in t["T_MEMTHING"]
  64                        if ord_v != t["fovmap"][(mt[1] * world_db["MAP_LENGTH"])
  65                                                + mt[2]]]
  66     for id in [id for id in world_db["Things"]
  67                if not world_db["Things"][id]["carried"]]:
  68         type = world_db["Things"][id]["T_TYPE"]
  69         if not world_db["ThingTypes"][type]["TT_LIFEPOINTS"]:
  70             y = world_db["Things"][id]["T_POSY"]
  71             x = world_db["Things"][id]["T_POSX"]
  72             if ord_v == t["fovmap"][(y * world_db["MAP_LENGTH"]) + x]:
  73                 t["T_MEMTHING"].append((type, y, x))
  74
  75
  76 def build_fov_map(t):
  77     """Build Thing's FOV map."""
  78     t["fovmap"] = bytearray(b'v' * (world_db["MAP_LENGTH"] ** 2))
  79     fovmap = c_pointer_to_bytearray(t["fovmap"])
  80     map = c_pointer_to_bytearray(world_db["MAP"])
  81     if libpr.build_fov_map(t["T_POSY"], t["T_POSX"], fovmap, map):
  82         raise RuntimeError("Malloc error in build_fov_Map().")
  83
  84
  85 def new_Thing(type, pos=(0, 0)):
  86     """Return Thing of type T_TYPE, with fovmap if alive and world active."""
  87     thing = {
  88         "T_LIFEPOINTS": world_db["ThingTypes"][type]["TT_LIFEPOINTS"],
  89         "T_ARGUMENT": 0,
  90         "T_PROGRESS": 0,
  91         "T_SATIATION": 0,
  92         "T_COMMAND": 0,
  93         "T_TYPE": type,
  94         "T_POSY": pos[0],
  95         "T_POSX": pos[1],
  96         "T_CARRIES": [],
  97         "carried": False,
  98         "T_MEMTHING": [],
  99         "T_MEMMAP": False,
 100         "T_MEMDEPTHMAP": False,
 101         "fovmap": False
 102     }
 103     if world_db["WORLD_ACTIVE"] and thing["T_LIFEPOINTS"]:
 104         build_fov_map(thing)
 105     return thing
 106
 107
 108 def decrement_lifepoints(t):
 109     """Decrement t's lifepoints by 1, and if to zero, corpse it.
 110
 111     If t is the player avatar, only blank its fovmap, so that the client may
 112     still display memory data. On non-player things, erase fovmap and memory.
 113     Dying actors drop all their things.
 114     """
 115     t["T_LIFEPOINTS"] -= 1
 116     if 0 == t["T_LIFEPOINTS"]:
 117         for id in t["T_CARRIES"]:
 118             t["T_CARRIES"].remove(id)
 119             world_db["Things"][id]["T_POSY"] = t["T_POSY"]
 120             world_db["Things"][id]["T_POSX"] = t["T_POSX"]
 121             world_db["Things"][id]["carried"] = False
 122         t["T_TYPE"] = world_db["ThingTypes"][t["T_TYPE"]]["TT_CORPSE_ID"]
 123         if world_db["Things"][0] == t:
 124             t["fovmap"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
 125             log("You die.")
 126             log("See README on how to start over.")
 127         else:
 128             t["fovmap"] = False
 129             t["T_MEMMAP"] = False
 130             t["T_MEMDEPTHMAP"] = False
 131             t["T_MEMTHING"] = []
 132
 133
 134 def try_healing(t):
 135     """If t's HP < max, increment them if well-nourished, maybe waiting."""
 136     if t["T_LIFEPOINTS"] < \
 137        world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"]:
 138         wait_id = [id for id in world_db["ThingActions"]
 139                       if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0]
 140         wait_divider = 8 if t["T_COMMAND"] == wait_id else 1
 141         testval = int(abs(t["T_SATIATION"]) / wait_divider)
 142         if (testval <= 1 or 1 == (rand.next() % testval)):
 143             t["T_LIFEPOINTS"] += 1
 144             if t == world_db["Things"][0]:
 145                 log("You HEAL.")
 146
 147
 148 def hunger_per_turn(type_id):
 149     """The amount of satiation score lost per turn for things of given type."""
 150     import math
 151     return int(math.sqrt(world_db["ThingTypes"][type_id]["TT_LIFEPOINTS"]))
 152
 153
 154 def hunger(t):
 155     """Decrement t's satiation,dependent on it trigger lifepoint dec chance."""
 156     if t["T_SATIATION"] > -32768:
 157         t["T_SATIATION"] -= hunger_per_turn(t["T_TYPE"])
 158     if 0 != t["T_SATIATION"] and 0 == int(rand.next() / abs(t["T_SATIATION"])):
 159         if t == world_db["Things"][0]:
 160             if t["T_SATIATION"] < 0:
 161                 log("You SUFFER from hunger.")
 162             else:
 163                 log("You SUFFER from over-eating.")
 164         decrement_lifepoints(t)
 165
 166
 167 def set_world_inactive():
 168     """Set world_db["WORLD_ACTIVE"] to 0 and remove worldstate file."""
 169     from server.io import safely_remove_worldstate_file
 170     safely_remove_worldstate_file()
 171     world_db["WORLD_ACTIVE"] = 0
 172
 173
 174 def make_map():
 175     """(Re-)make island map.
 176
 177     Let "~" represent water, "." land, "X" trees: Build island shape randomly,
 178     start with one land cell in the middle, then go into cycle of repeatedly
 179     selecting a random sea cell and transforming it into land if it is neighbor
 180     to land. The cycle ends when a land cell is due to be created at the map's
 181     border. Then put some trees on the map (TODO: more precise algorithm desc).
 182     """
 183
 184     def is_neighbor(coordinates, type):
 185         y = coordinates[0]
 186         x = coordinates[1]
 187         length = world_db["MAP_LENGTH"]
 188         ind = y % 2
 189         diag_west = x + (ind > 0)
 190         diag_east = x + (ind < (length - 1))
 191         pos = (y * length) + x
 192         if (y > 0 and diag_east
 193             and type == chr(world_db["MAP"][pos - length + ind])) \
 194            or (x < (length - 1)
 195                and type == chr(world_db["MAP"][pos + 1])) \
 196            or (y < (length - 1) and diag_east
 197                and type == chr(world_db["MAP"][pos + length + ind])) \
 198            or (y > 0 and diag_west
 199                and type == chr(world_db["MAP"][pos - length - (not ind)])) \
 200            or (x > 0
 201                and type == chr(world_db["MAP"][pos - 1])) \
 202            or (y < (length - 1) and diag_west
 203                and type == chr(world_db["MAP"][pos + length - (not ind)])):
 204             return True
 205         return False
 206
 207     world_db["MAP"] = bytearray(b'~' * (world_db["MAP_LENGTH"] ** 2))
 208     length = world_db["MAP_LENGTH"]
 209     add_half_width = (not (length % 2)) * int(length / 2)
 210     world_db["MAP"][int((length ** 2) / 2) + add_half_width] = ord(".")
 211     while (1):
 212         y = rand.next() % length
 213         x = rand.next() % length
 214         pos = (y * length) + x
 215         if "~" == chr(world_db["MAP"][pos]) and is_neighbor((y, x), "."):
 216             if y == 0 or y == (length - 1) or x == 0 or x == (length - 1):
 217                 break
 218             world_db["MAP"][pos] = ord(".")
 219     n_trees = int((length ** 2) / 16)
 220     i_trees = 0
 221     while (i_trees <= n_trees):
 222         single_allowed = rand.next() % 32
 223         y = rand.next() % length
 224         x = rand.next() % length
 225         pos = (y * length) + x
 226         if "." == chr(world_db["MAP"][pos]) \
 227                 and ((not single_allowed) or is_neighbor((y, x), "X")):
 228             world_db["MAP"][pos] = ord("X")
 229             i_trees += 1
 230     # This all-too-precise replica of the original C code misses iter_limit().
 231
 232
 233 def make_world(seed):
 234     """(Re-)build game world, i.e. map, things, to a new turn 1 from seed.
 235
 236     Seed rand with seed. Do more only with a "wait" ThingAction and
 237     world["PLAYER_TYPE"] matching ThingType of TT_START_NUMBER > 0. Then,
 238     world_db["Things"] emptied, call make_map() and set
 239     world_db["WORLD_ACTIVE"], world_db["TURN"] to 1. Build new Things
 240     according to ThingTypes' TT_START_NUMBERS, with Thing of ID 0 to ThingType
 241     of ID = world["PLAYER_TYPE"]. Place Things randomly, and actors not on each
 242     other. Init player's memory map. Write "NEW_WORLD" line to out file.
 243     """
 244
 245     def free_pos():
 246         i = 0
 247         while 1:
 248             err = "Space to put thing on too hard to find. Map too small?"
 249             while 1:
 250                 y = rand.next() % world_db["MAP_LENGTH"]
 251                 x = rand.next() % world_db["MAP_LENGTH"]
 252                 if "." == chr(world_db["MAP"][y * world_db["MAP_LENGTH"] + x]):
 253                     break
 254                 i += 1
 255                 if i == 65535:
 256                     raise SystemExit(err)
 257             # Replica of C code, wrongly ignores animatedness of new Thing.
 258             pos_clear = (0 == len([id for id in world_db["Things"]
 259                                    if world_db["Things"][id]["T_LIFEPOINTS"]
 260                                    if world_db["Things"][id]["T_POSY"] == y
 261                                    if world_db["Things"][id]["T_POSX"] == x]))
 262             if pos_clear:
 263                 break
 264         return (y, x)
 265
 266     rand.seed = seed
 267     if world_db["MAP_LENGTH"] < 1:
 268         print("Ignoring: No map length >= 1 defined.")
 269         return
 270     libpr.set_maplength(world_db["MAP_LENGTH"])
 271     player_will_be_generated = False
 272     playertype = world_db["PLAYER_TYPE"]
 273     for ThingType in world_db["ThingTypes"]:
 274         if playertype == ThingType:
 275             if 0 < world_db["ThingTypes"][ThingType]["TT_START_NUMBER"]:
 276                 player_will_be_generated = True
 277             break
 278     if not player_will_be_generated:
 279         print("Ignoring: No player type with start number >0 defined.")
 280         return
 281     wait_action = False
 282     for ThingAction in world_db["ThingActions"]:
 283         if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
 284             wait_action = True
 285     if not wait_action:
 286         print("Ignoring beyond SEED_MAP: " +
 287               "No thing action with name 'wait' defined.")
 288         return
 289     world_db["Things"] = {}
 290     make_map()
 291     world_db["WORLD_ACTIVE"] = 1
 292     world_db["TURN"] = 1
 293     for i in range(world_db["ThingTypes"][playertype]["TT_START_NUMBER"]):
 294         id = id_setter(-1, "Things")
 295         world_db["Things"][id] = new_Thing(playertype, free_pos())
 296     if not world_db["Things"][0]["fovmap"]:
 297         empty_fovmap = bytearray(b" " * world_db["MAP_LENGTH"] ** 2)
 298         world_db["Things"][0]["fovmap"] = empty_fovmap
 299     update_map_memory(world_db["Things"][0])
 300     for type in world_db["ThingTypes"]:
 301         for i in range(world_db["ThingTypes"][type]["TT_START_NUMBER"]):
 302             if type != playertype:
 303                 id = id_setter(-1, "Things")
 304                 world_db["Things"][id] = new_Thing(type, free_pos())
 305     from server.config.io import io_db
 306     from server.io import strong_write
 307     strong_write(io_db["file_out"], "NEW_WORLD\n")
 308
 309
 310 def turn_over():
 311     """Run game world and its inhabitants until new player input expected."""
 312     from server.config.actions import action_db, ai_func
 313     id = 0
 314     whilebreaker = False
 315     while world_db["Things"][0]["T_LIFEPOINTS"]:
 316         proliferable_map = world_db["MAP"][:]
 317         for id in [id for id in world_db["Things"]
 318                    if not world_db["Things"][id]["carried"]]:
 319             y = world_db["Things"][id]["T_POSY"]
 320             x = world_db["Things"][id]["T_POSX"]
 321             proliferable_map[y * world_db["MAP_LENGTH"] + x] = ord('X')
 322         for id in [id for id in world_db["Things"]]:  # Only what's from start!
 323             if not id in world_db["Things"] or \
 324                world_db["Things"][id]["carried"]:   # May have been consumed or
 325                 continue                            # picked up during turn …
 326             Thing = world_db["Things"][id]
 327             if Thing["T_LIFEPOINTS"]:
 328                 if not Thing["T_COMMAND"]:
 329                     update_map_memory(Thing)
 330                     if 0 == id:
 331                         whilebreaker = True
 332                         break
 333                     ai_func(Thing)
 334                 try_healing(Thing)
 335                 hunger(Thing)
 336                 if Thing["T_LIFEPOINTS"]:
 337                     Thing["T_PROGRESS"] += 1
 338                     taid = [a for a in world_db["ThingActions"]
 339                               if a == Thing["T_COMMAND"]][0]
 340                     ThingAction = world_db["ThingActions"][taid]
 341                     if Thing["T_PROGRESS"] == ThingAction["TA_EFFORT"]:
 342                         action = action_db["actor_" + ThingAction["TA_NAME"]]
 343                         action(Thing)
 344                         Thing["T_COMMAND"] = 0
 345                         Thing["T_PROGRESS"] = 0
 346             thingproliferation(Thing, proliferable_map)
 347         if whilebreaker:
 348             break
 349         world_db["TURN"] += 1