plomlompom.com Git - plomrogue/blob - server/commands.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
   7 from server.config.io import io_db
   8 from server.io import log, strong_write
   9 from server.utils import integer_test, id_setter
  10 from server.world import set_world_inactive, turn_over
  11 from server.update_map_memory import update_map_memory
  12 from server.build_fov_map import build_fov_map
  13
  14
  15 def command_plugin(str_plugin):
  16     """Run code in plugins/[str_plugin]."""
  17     import os
  18     if (str_plugin.replace("_", "").isalnum()
  19         and os.access("plugins/server/" + str_plugin + ".py", os.F_OK)):
  20         exec(open("plugins/server/" + str_plugin + ".py").read())
  21         world_db["PLUGIN"] += [str_plugin]
  22         return
  23     print("Bad plugin name:", str_plugin)
  24
  25
  26 def command_ping():
  27     """Send PONG line to server output file."""
  28     strong_write(io_db["file_out"], "PONG\n")
  29
  30
  31 def command_quit():
  32     """Abort server process."""
  33     from server.io import save_world, atomic_write
  34     from server.utils import opts
  35     if None == opts.replay:
  36         if world_db["WORLD_ACTIVE"]:
  37             save_world()
  38         atomic_write(io_db["path_record"], io_db["record_chunk"],
  39             do_append=True)
  40     raise SystemExit("received QUIT command")
  41
  42
  43 def command_thingshere(str_y, str_x):
  44     """Write to out file list of Things known to player at coordinate y, x."""
  45     if world_db["WORLD_ACTIVE"]:
  46         y = integer_test(str_y, 0, 255)
  47         x = integer_test(str_x, 0, 255)
  48         length = world_db["MAP_LENGTH"]
  49         if None != y and None != x and y < length and x < length:
  50             pos = (y * world_db["MAP_LENGTH"]) + x
  51             strong_write(io_db["file_out"], "THINGS_HERE START\n")
  52             terrain = chr(world_db["Things"][0]["T_MEMMAP"][pos])
  53             terrain_name = world_db["terrain_names"][terrain]
  54             strong_write(io_db["file_out"], "terrain: " + terrain_name + "\n")
  55             if "v" == chr(world_db["Things"][0]["fovmap"][pos]):
  56                 for id in [id for tid in sorted(list(world_db["ThingTypes"]))
  57                               for id in world_db["Things"]
  58                               if not world_db["Things"][id]["carried"]
  59                               if world_db["Things"][id]["T_TYPE"] == tid
  60                               if y == world_db["Things"][id]["T_POSY"]
  61                               if x == world_db["Things"][id]["T_POSX"]]:
  62                     type = world_db["Things"][id]["T_TYPE"]
  63                     name = world_db["ThingTypes"][type]["TT_NAME"]
  64                     strong_write(io_db["file_out"], name + "\n")
  65             else:
  66                 for mt in [mt for tid in sorted(list(world_db["ThingTypes"]))
  67                               for mt in world_db["Things"][0]["T_MEMTHING"]
  68                               if mt[0] == tid if y == mt[1] if x == mt[2]]:
  69                     name = world_db["ThingTypes"][mt[0]]["TT_NAME"]
  70                     strong_write(io_db["file_out"], name + "\n")
  71             strong_write(io_db["file_out"], "THINGS_HERE END\n")
  72         else:
  73             print("Ignoring: Invalid map coordinates.")
  74     else:
  75         print("Ignoring: Command only works on existing worlds.")
  76
  77
  78 def command_seedrandomness(seed_string):
  79     """Set rand seed to int(seed_string)."""
  80     from server.utils import rand
  81     val = integer_test(seed_string, 0, 4294967295)
  82     if None != val:
  83         rand.seed = val
  84
  85
  86 def command_makeworld(seed_string):
  87     """Call make_world()."""
  88     val = integer_test(seed_string, 0, 4294967295)
  89     if None != val:
  90         from server.make_world import make_world
  91         make_world(val)
  92
  93
  94 def command_maplength(maplength_string):
  95     """Redefine map length. Invalidate map, therefore lose all things on it."""
  96     val = integer_test(maplength_string, 1, 256)
  97     if None != val:
  98         from server.utils import libpr
  99         world_db["MAP_LENGTH"] = val
 100         world_db["MAP"] = False
 101         set_world_inactive()
 102         world_db["Things"] = {}
 103         libpr.set_maplength(val)
 104
 105
 106 def command_worldactive(worldactive_string):
 107     """Toggle world_db["WORLD_ACTIVE"] if possible.
 108
 109     An active world can always be set inactive. An inactive world can only be
 110     set active with a "wait" ThingAction, and a player Thing (of ID 0), and a
 111     map. On activation, rebuild all Things' FOVs, and the player's map memory.
 112     """
 113     val = integer_test(worldactive_string, 0, 1)
 114     if None != val:
 115         if 0 != world_db["WORLD_ACTIVE"]:
 116             if 0 == val:
 117                 set_world_inactive()
 118             else:
 119                 print("World already active.")
 120         elif 0 == world_db["WORLD_ACTIVE"]:
 121             for ThingAction in world_db["ThingActions"]:
 122                 if "wait" == world_db["ThingActions"][ThingAction]["TA_NAME"]:
 123                     break
 124             else:
 125                 print("Ignored: No wait action defined for world to activate.")
 126                 return
 127             for Thing in world_db["Things"]:
 128                 if 0 == Thing:
 129                     break
 130             else:
 131                 print("Ignored: No player defined for world to activate.")
 132                 return
 133             if not world_db["MAP"]:
 134                 print("Ignoring: No map defined for world to activate.")
 135                 return
 136             from server.config.commands import command_worldactive_test_hook
 137             if not command_worldactive_test_hook():
 138                 return
 139             for tid in world_db["Things"]:
 140                 if world_db["Things"][tid]["T_LIFEPOINTS"]:
 141                     build_fov_map(world_db["Things"][tid])
 142                     if 0 == tid:
 143                         update_map_memory(world_db["Things"][tid], False)
 144             if not world_db["Things"][0]["T_LIFEPOINTS"]:
 145                 empty_fovmap = bytearray(b" " * world_db["MAP_LENGTH"] ** 2)
 146                 world_db["Things"][0]["fovmap"] = empty_fovmap
 147             world_db["WORLD_ACTIVE"] = 1
 148
 149
 150 def command_tid(id_string):
 151     """Set ID of Thing to manipulate. ID unused? Create new one.
 152
 153     Default new Thing's type to the first available ThingType, others: zero.
 154     """
 155     tid = id_setter(id_string, "Things", command_tid)
 156     if None != tid:
 157         if world_db["ThingTypes"] == {}:
 158             print("Ignoring: No ThingType to settle new Thing in.")
 159             return
 160         ty = list(world_db["ThingTypes"].keys())[0]
 161         from server.new_thing import new_Thing
 162         world_db["Things"][tid] = new_Thing(ty)
 163
 164
 165 def command_ttid(id_string):
 166     """Set ID of ThingType to manipulate. ID unused? Create new one.
 167
 168     Set new type's TT_CORPSE_ID to self, other fields to thingtype_defaults.
 169     """
 170     ttid = id_setter(id_string, "ThingTypes", command_ttid)
 171     if None != ttid:
 172         from server.config.world_data import thingtype_defaults
 173         world_db["ThingTypes"][ttid] = {}
 174         for key in thingtype_defaults:
 175             world_db["ThingTypes"][ttid][key] = thingtype_defaults[key]
 176         world_db["ThingTypes"][ttid]["TT_CORPSE_ID"] = ttid
 177
 178
 179 def command_taid(id_string):
 180     """Set ID of ThingAction to manipulate. ID unused? Create new one.
 181
 182     Default new ThingAction's TA_EFFORT to 1, its TA_NAME to "wait".
 183     """
 184     taid = id_setter(id_string, "ThingActions", command_taid, True)
 185     if None != taid:
 186         world_db["ThingActions"][taid] = {
 187             "TA_EFFORT": 1,
 188             "TA_NAME": "wait"
 189         }
 190
 191
 192 def test_for_id_maker(object, category):
 193     """Return decorator testing for object having "id" attribute."""
 194     def decorator(f):
 195         def helper(*args):
 196             if hasattr(object, "id"):
 197                 f(*args)
 198             else:
 199                 print("Ignoring: No " + category +
 200                       " defined to manipulate yet.")
 201         return helper
 202     return decorator
 203
 204
 205 test_Thing_id = test_for_id_maker(command_tid, "Thing")
 206 test_ThingType_id = test_for_id_maker(command_ttid, "ThingType")
 207 test_ThingAction_id = test_for_id_maker(command_taid, "ThingAction")
 208
 209
 210 @test_Thing_id
 211 def command_tcommand(str_int):
 212     """Set T_COMMAND of selected Thing."""
 213     val = integer_test(str_int, 0)
 214     if None != val:
 215         if 0 == val or val in world_db["ThingActions"]:
 216             world_db["Things"][command_tid.id]["T_COMMAND"] = val
 217         else:
 218             print("Ignoring: ThingAction ID belongs to no known ThingAction.")
 219
 220
 221 @test_Thing_id
 222 def command_ttype(str_int):
 223     """Set T_TYPE of selected Thing."""
 224     val = integer_test(str_int, 0)
 225     if None != val:
 226         if val in world_db["ThingTypes"]:
 227             world_db["Things"][command_tid.id]["T_TYPE"] = val
 228         else:
 229             print("Ignoring: ThingType ID belongs to no known ThingType.")
 230
 231
 232 @test_Thing_id
 233 def command_tcarries(str_int):
 234     """Append int(str_int) to T_CARRIES of selected Thing.
 235
 236     The ID int(str_int) must not be of the selected Thing, and must belong to a
 237     Thing with unset "carried" flag. Its "carried" flag will be set on owning.
 238     """
 239     val = integer_test(str_int, 0)
 240     if None != val:
 241         if val == command_tid.id:
 242             print("Ignoring: Thing cannot carry itself.")
 243         elif val in world_db["Things"] \
 244                 and not world_db["Things"][val]["carried"]:
 245             world_db["Things"][command_tid.id]["T_CARRIES"].append(val)
 246             world_db["Things"][val]["carried"] = True
 247         else:
 248             print("Ignoring: Thing not available for carrying.")
 249     # Note that the whole carrying structure is different from the C version:
 250     # Carried-ness is marked by a "carried" flag, not by Things containing
 251     # Things internally.
 252
 253
 254 @test_Thing_id
 255 def command_tmemthing(str_t, str_y, str_x):
 256     """Add (int(str_t), int(str_y), int(str_x)) to selected Thing's T_MEMTHING.
 257
 258     The type must fit to an existing ThingType, and the position into the map.
 259     """
 260     type = integer_test(str_t, 0)
 261     posy = integer_test(str_y, 0, 255)
 262     posx = integer_test(str_x, 0, 255)
 263     if None != type and None != posy and None != posx:
 264         if type not in world_db["ThingTypes"] \
 265            or posy >= world_db["MAP_LENGTH"] or posx >= world_db["MAP_LENGTH"]:
 266             print("Ignoring: Illegal value for thing type or position.")
 267         else:
 268             memthing = (type, posy, posx)
 269             world_db["Things"][command_tid.id]["T_MEMTHING"].append(memthing)
 270
 271
 272 @test_ThingType_id
 273 def command_ttname(name):
 274     """Set TT_NAME of selected ThingType."""
 275     world_db["ThingTypes"][command_ttid.id]["TT_NAME"] = name
 276
 277
 278 @test_ThingType_id
 279 def command_tttool(name):
 280     """Set TT_TOOL of selected ThingType."""
 281     world_db["ThingTypes"][command_ttid.id]["TT_TOOL"] = name
 282
 283
 284 @test_ThingType_id
 285 def command_ttsymbol(char):
 286     """Set TT_SYMBOL of selected ThingType. """
 287     if 1 == len(char):
 288         world_db["ThingTypes"][command_ttid.id]["TT_SYMBOL"] = char
 289     else:
 290         print("Ignoring: Argument must be single character.")
 291
 292
 293 @test_ThingType_id
 294 def command_ttcorpseid(str_int):
 295     """Set TT_CORPSE_ID of selected ThingType."""
 296     val = integer_test(str_int, 0)
 297     if None != val:
 298         if val in world_db["ThingTypes"]:
 299             world_db["ThingTypes"][command_ttid.id]["TT_CORPSE_ID"] = val
 300         else:
 301             print("Ignoring: Corpse ID belongs to no known ThignType.")
 302
 303
 304 @test_ThingAction_id
 305 def command_taname(name):
 306     """Set TA_NAME of selected ThingAction.
 307
 308     The name must match a valid thing action function. If after the name
 309     setting no ThingAction with name "wait" remains, call set_world_inactive().
 310     """
 311     if name == "wait" or name == "move" or name == "use" or name == "drop" \
 312        or name == "pickup":
 313         world_db["ThingActions"][command_taid.id]["TA_NAME"] = name
 314         if 1 == world_db["WORLD_ACTIVE"]:
 315             for id in world_db["ThingActions"]:
 316                 if "wait" == world_db["ThingActions"][id]["TA_NAME"]:
 317                     break
 318             else:
 319                 set_world_inactive()
 320     else:
 321         print("Ignoring: Invalid action name.")
 322
 323
 324 def setter(category, key, min, max=None):
 325     """Build setter for world_db([category + "s"][id])[key] to >=min/<=max."""
 326     if category is None:
 327         def f(val_string):
 328             val = integer_test(val_string, min, max)
 329             if None != val:
 330                 world_db[key] = val
 331     else:
 332         if category == "Thing":
 333             id_store = command_tid
 334             decorator = test_Thing_id
 335         elif category == "ThingType":
 336             id_store = command_ttid
 337             decorator = test_ThingType_id
 338         elif category == "ThingAction":
 339             id_store = command_taid
 340             decorator = test_ThingAction_id
 341
 342         @decorator
 343         def f(val_string):
 344             val = integer_test(val_string, min, max)
 345             if None != val:
 346                 world_db[category + "s"][id_store.id][key] = val
 347     return f
 348
 349
 350 def setter_map(maptype):
 351     """Set (world or Thing's) map of maptype's int(str_int)-th line to mapline.
 352
 353     If no map of maptype exists yet, initialize it with ' ' bytes first.
 354     """
 355
 356     def valid_map_line(str_int, mapline):
 357         val = integer_test(str_int, 0, 255)
 358         if None != val:
 359             if val >= world_db["MAP_LENGTH"]:
 360                 print("Illegal value for map line number.")
 361             elif len(mapline) != world_db["MAP_LENGTH"]:
 362                 print("Map line length is unequal map width.")
 363             else:
 364                 return val
 365         return None
 366
 367     def nonThingMap_helper(str_int, mapline):
 368         val = valid_map_line(str_int, mapline)
 369         if None != val:
 370             length = world_db["MAP_LENGTH"]
 371             if not world_db["MAP"]:
 372                 map = bytearray(b' ' * (length ** 2))
 373             else:
 374                 map = world_db["MAP"]
 375             map[val * length:(val * length) + length] = mapline.encode()
 376             if not world_db["MAP"]:
 377                 world_db["MAP"] = map
 378
 379     @test_Thing_id
 380     def ThingMap_helper(str_int, mapline):
 381         val = valid_map_line(str_int, mapline)
 382         if None != val:
 383             length = world_db["MAP_LENGTH"]
 384             if not world_db["Things"][command_tid.id][maptype]:
 385                 map = bytearray(b' ' * (length ** 2))
 386             else:
 387                 map = world_db["Things"][command_tid.id][maptype]
 388             map[val * length:(val * length) + length] = mapline.encode()
 389             if not world_db["Things"][command_tid.id][maptype]:
 390                 world_db["Things"][command_tid.id][maptype] = map
 391
 392     return nonThingMap_helper if maptype == "MAP" else ThingMap_helper
 393
 394
 395
 396 def setter_tpos(axis):
 397     """Generate setter for T_POSX or  T_POSY of selected Thing.
 398
 399     If world is active, rebuilds animate things' fovmap, player's memory map.
 400     """
 401     @test_Thing_id
 402     def helper(str_int):
 403         val = integer_test(str_int, 0, 255)
 404         if None != val:
 405             if val < world_db["MAP_LENGTH"]:
 406                 world_db["Things"][command_tid.id]["T_POS" + axis] = val
 407                 if world_db["WORLD_ACTIVE"] \
 408                    and world_db["Things"][command_tid.id]["T_LIFEPOINTS"]:
 409                     build_fov_map(world_db["Things"][command_tid.id])
 410                     if 0 == command_tid.id:
 411                         update_map_memory(world_db["Things"][command_tid.id])
 412             else:
 413                 print("Ignoring: Position is outside of map.")
 414     return helper
 415
 416
 417 def set_command(action):
 418     """Set player's T_COMMAND, then call turn_over()."""
 419     id = [x for x in world_db["ThingActions"]
 420           if world_db["ThingActions"][x]["TA_NAME"] == action][0]
 421     world_db["Things"][0]["T_COMMAND"] = id
 422     turn_over()
 423
 424
 425 def play_wait():
 426     """Try "wait" as player's T_COMMAND."""
 427     set_command("wait")
 428
 429
 430 def action_exists(action):
 431     matching_actions = [x for x in world_db["ThingActions"]
 432                         if world_db["ThingActions"][x]["TA_NAME"] == action]
 433     if len(matching_actions) >= 1:
 434         return True
 435     print("No appropriate ThingAction defined.")
 436     return False
 437
 438
 439 def play_pickup():
 440     """Try "pickup" as player's T_COMMAND"."""
 441     if action_exists("pickup"):
 442         t = world_db["Things"][0]
 443         ids = [id for id in world_db["Things"] if id
 444                if not world_db["Things"][id]["carried"]
 445                if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
 446                if world_db["Things"][id]["T_POSX"] == t["T_POSX"]]
 447         if not len(ids):
 448              log("NOTHING to pick up.")
 449         else:
 450             set_command("pickup")
 451
 452
 453 def play_drop(str_arg):
 454     """Try "drop" as player's T_COMMAND, int(str_arg) as T_ARGUMENT / slot."""
 455     if action_exists("drop"):
 456         t = world_db["Things"][0]
 457         if 0 == len(t["T_CARRIES"]):
 458             log("You have NOTHING to drop in your inventory.")
 459         else:
 460             val = integer_test(str_arg, 0, 255)
 461             if None != val and val < len(t["T_CARRIES"]):
 462                 world_db["Things"][0]["T_ARGUMENT"] = val
 463                 set_command("drop")
 464             else:
 465                 print("Illegal inventory index.")
 466
 467
 468 def play_use(str_arg):
 469     """Try "use" as player's T_COMMAND, int(str_arg) as T_ARGUMENT / slot."""
 470     if action_exists("use"):
 471         t = world_db["Things"][0]
 472         if 0 == len(t["T_CARRIES"]):
 473             log("You have NOTHING to use in your inventory.")
 474         else:
 475             val = integer_test(str_arg, 0, 255)
 476             if None != val and val < len(t["T_CARRIES"]):
 477                 tid = t["T_CARRIES"][val]
 478                 tt = world_db["ThingTypes"][world_db["Things"][tid]["T_TYPE"]]
 479                 from server.config.commands import play_use_attempt_hook
 480                 hook_test = play_use_attempt_hook(t, tt)
 481                 if not (tt["TT_TOOL"] == "food" or hook_test):
 482                     if hook_test != False:
 483                         log("You CAN'T use this thing.")
 484                     return
 485                 world_db["Things"][0]["T_ARGUMENT"] = val
 486                 set_command("use")
 487             else:
 488                 print("Illegal inventory index.")
 489
 490
 491 def play_move(str_arg):
 492     """Try "move" as player's T_COMMAND, str_arg as T_ARGUMENT / direction."""
 493     if action_exists("move"):
 494         from server.config.world_data import directions_db, symbols_passable
 495         t = world_db["Things"][0]
 496         if not str_arg in directions_db:
 497             print("Illegal move direction string.")
 498             return
 499         d = ord(directions_db[str_arg])
 500         from server.utils import mv_yx_in_dir_legal
 501         move_result = mv_yx_in_dir_legal(chr(d), t["T_POSY"], t["T_POSX"])
 502         if 1 == move_result[0]:
 503             pos = (move_result[1] * world_db["MAP_LENGTH"]) + move_result[2]
 504             if ord("~") == world_db["MAP"][pos]:
 505                 log("You can't SWIM.")
 506                 return
 507             from server.config.commands import play_move_attempt_hook
 508             if play_move_attempt_hook(t, d, pos):
 509                 return
 510             if chr(world_db["MAP"][pos]) in symbols_passable:
 511                 world_db["Things"][0]["T_ARGUMENT"] = d
 512                 set_command("move")
 513                 return
 514         log("You CAN'T move there.")
 515
 516
 517 def command_ai():
 518     """Call ai() on player Thing, then turn_over()."""
 519     from server.ai import ai
 520     ai(world_db["Things"][0])
 521     turn_over()