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