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Improve try_healing() chance.
[plomrogue] / roguelike-server
index 4944701fa2ba4630b9ec06112c4239eaa3202871..462a3428331d01a1f58f7f23659e0e1e371c8eab 100755 (executable)
@@ -12,6 +12,7 @@ import shlex
 import shutil
 import time
 import ctypes
+import math
 
 
 class RandomnessIO:
@@ -64,7 +65,7 @@ def setup_server_io():
         path_tmp = path + tmp_suffix
         msg = "Found file '" + path_tmp + "' that may be a leftover from an " \
               "aborted previous attempt to write '" + path + "'. Aborting " \
-             "until matter is resolved by removing it from its current path."
+              "until matter is resolved by removing it from its current path."
         if os.access(path_tmp, os.F_OK):
             raise SystemExit(msg)
     io_db["teststring"] = str(os.getpid()) + " " + str(time.time())
@@ -109,7 +110,8 @@ def obey(command, prefix, replay=False, do_record=False):
     is called (and io_db["record_chunk"] written) if 15 seconds have passed
     since the last time it was called. The prefix string is inserted into the
     server's input message between its beginning 'input ' and ':'. All activity
-    is preceded by a server_test() call.
+    is preceded by a server_test() call. Commands that start with a lowercase
+    letter are ignored when world_db["WORLD_ACTIVE"] is False/0.
     """
     server_test()
     if io_db["verbose"]:
@@ -123,6 +125,8 @@ def obey(command, prefix, replay=False, do_record=False):
        and len(tokens) == commands_db[tokens[0]][0] + 1:
         if commands_db[tokens[0]][1]:
             commands_db[tokens[0]][2](*tokens[1:])
+        elif tokens[0][0].islower() and not world_db["WORLD_ACTIVE"]:
+            print("Ignoring lowercase-starting commands when world inactive.")
         elif replay:
             print("Due to replay mode, reading command as 'go on in record'.")
             line = io_db["file_record"].readline()
@@ -139,7 +143,8 @@ def obey(command, prefix, replay=False, do_record=False):
                 if time.time() > io_db["save_wait"] + 15:
                     atomic_write(io_db["path_record"], io_db["record_chunk"],
                                  do_append=True)
-                    save_world()
+                    if world_db["WORLD_ACTIVE"]:
+                        save_world()
                     io_db["record_chunk"] = ""
                     io_db["save_wait"] = time.time()
             io_db["worldstate_updateable"] = world_db["WORLD_ACTIVE"]
@@ -171,15 +176,16 @@ def save_world():
         return '"' + string.replace('"', '\u005C"') + '"'
 
     def mapsetter(key):
-        def helper(id):
+        def helper(id=None):
             string = ""
-            if world_db["Things"][id][key]:
-                map = world_db["Things"][id][key]
+            if key == "MAP" or world_db["Things"][id][key]:
+                map = world_db["MAP"] if key == "MAP" \
+                                      else world_db["Things"][id][key]
                 length = world_db["MAP_LENGTH"]
                 for i in range(length):
                     line = map[i * length:(i * length) + length].decode()
                     string = string + key + " " + str(i) + " " + quote(line) \
-                             + "\n"
+                        + "\n"
             return string
         return helper
 
@@ -187,7 +193,7 @@ def save_world():
         string = ""
         for memthing in world_db["Things"][id]["T_MEMTHING"]:
             string = string + "T_MEMTHING " + str(memthing[0]) + " " + \
-                     str(memthing[1]) + " " + str(memthing[2]) + "\n"
+                str(memthing[1]) + " " + str(memthing[2]) + "\n"
         return string
 
     def helper(category, id_string, special_keys={}):
@@ -205,15 +211,15 @@ def save_world():
 
     string = ""
     for key in sorted(world_db.keys()):
-        if dict != type(world_db[key]) and key != "MAP" and \
-           key != "WORLD_ACTIVE" and key != "SEED_MAP":
+        if (not isinstance(world_db[key], dict)) and key != "MAP" and \
+           key != "WORLD_ACTIVE":
             string = string + key + " " + str(world_db[key]) + "\n"
-    string = string + "SEED_MAP " + str(world_db["SEED_MAP"]) + "\n"
+    string = string + mapsetter("MAP")()
     string = string + helper("ThingActions", "TA_ID")
     string = string + helper("ThingTypes", "TT_ID", {"TT_CORPSE_ID": False})
     for id in sorted(world_db["ThingTypes"].keys()):
         string = string + "TT_ID " + str(id) + "\n" + "TT_CORPSE_ID " + \
-                 str(world_db["ThingTypes"][id]["TT_CORPSE_ID"]) + "\n"
+            str(world_db["ThingTypes"][id]["TT_CORPSE_ID"]) + "\n"
     string = string + helper("Things", "T_ID",
                              {"T_CARRIES": False, "carried": False,
                               "T_MEMMAP": mapsetter("T_MEMMAP"),
@@ -222,10 +228,10 @@ def save_world():
     for id in sorted(world_db["Things"].keys()):
         if [] != world_db["Things"][id]["T_CARRIES"]:
             string = string + "T_ID " + str(id) + "\n"
-            for carried in sorted(world_db["Things"][id]["T_CARRIES"].keys()):
+            for carried in sorted(world_db["Things"][id]["T_CARRIES"]):
                 string = string + "T_CARRIES " + str(carried) + "\n"
     string = string + "SEED_RANDOMNESS " + str(rand.seed) + "\n" + \
-             "WORLD_ACTIVE " + str(world_db["WORLD_ACTIVE"])
+        "WORLD_ACTIVE " + str(world_db["WORLD_ACTIVE"])
     atomic_write(io_db["path_save"], string)
 
 
@@ -301,21 +307,6 @@ def try_worldstate_update():
     """Write worldstate file if io_db["worldstate_updateable"] is set."""
     if io_db["worldstate_updateable"]:
 
-        def draw_visible_Things(map, run):
-            for id in world_db["Things"]:
-                type = world_db["Things"][id]["T_TYPE"]
-                consumable = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
-                alive = world_db["ThingTypes"][type]["TT_LIFEPOINTS"]
-                if (0 == run and not consumable and not alive) \
-                   or (1 == run and consumable and not alive) \
-                   or (2 == run and alive):
-                    y = world_db["Things"][id]["T_POSY"]
-                    x = world_db["Things"][id]["T_POSX"]
-                    fovflag = world_db["Things"][0]["fovmap"][(y * length) + x]
-                    if 'v' == chr(fovflag):
-                        c = world_db["ThingTypes"][type]["TT_SYMBOL"]
-                        map[(y * length) + x] = ord(c)
-
         def write_map(string, map):
             for i in range(length):
                 line = map[i * length:(i * length) + length].decode()
@@ -331,27 +322,37 @@ def try_worldstate_update():
                 name = world_db["ThingTypes"][type_id]["TT_NAME"]
                 inventory = inventory + name + "\n"
         string = str(world_db["TURN"]) + "\n" + \
-                 str(world_db["Things"][0]["T_LIFEPOINTS"]) + "\n" + \
-                 str(world_db["Things"][0]["T_SATIATION"]) + "\n" + \
-                 inventory + "%\n" + \
-                 str(world_db["Things"][0]["T_POSY"]) + "\n" + \
-                 str(world_db["Things"][0]["T_POSX"]) + "\n" + \
-                 str(world_db["MAP_LENGTH"]) + "\n"
+            str(world_db["Things"][0]["T_LIFEPOINTS"]) + "\n" + \
+            str(world_db["Things"][0]["T_SATIATION"]) + "\n" + \
+            inventory + "%\n" + \
+            str(world_db["Things"][0]["T_POSY"]) + "\n" + \
+            str(world_db["Things"][0]["T_POSX"]) + "\n" + \
+            str(world_db["MAP_LENGTH"]) + "\n"
         length = world_db["MAP_LENGTH"]
         fov = bytearray(b' ' * (length ** 2))
-        for pos in range(length ** 2):
-            if 'v' == chr(world_db["Things"][0]["fovmap"][pos]):
-                fov[pos] = world_db["MAP"][pos]
-        for i in range(3):
-            draw_visible_Things(fov, i)
+        ord_v = ord("v")
+        for pos in [pos for pos in range(length ** 2)
+                        if ord_v == world_db["Things"][0]["fovmap"][pos]]:
+            fov[pos] = world_db["MAP"][pos]
+        length = world_db["MAP_LENGTH"]
+        for id in [id for tid in reversed(sorted(list(world_db["ThingTypes"])))
+                      for id in world_db["Things"]
+                      if not world_db["Things"][id]["carried"]
+                      if world_db["Things"][id]["T_TYPE"] == tid
+                      if world_db["Things"][0]["fovmap"][
+                           world_db["Things"][id]["T_POSY"] * length
+                           + world_db["Things"][id]["T_POSX"]] == ord_v]:
+            type = world_db["Things"][id]["T_TYPE"]
+            c = ord(world_db["ThingTypes"][type]["TT_SYMBOL"])
+            fov[world_db["Things"][id]["T_POSY"] * length
+                + world_db["Things"][id]["T_POSX"]] = c
         string = write_map(string, fov)
         mem = world_db["Things"][0]["T_MEMMAP"][:]
-        for i in range(2):
-            for mt in world_db["Things"][0]["T_MEMTHING"]:
-                consumable = world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]
-                if (i == 0 and not consumable) or (i == 1 and consumable):
-                    c = world_db["ThingTypes"][mt[0]]["TT_SYMBOL"]
-                    mem[(mt[1] * length) + mt[2]] = ord(c)
+        for mt in [mt for tid in reversed(sorted(list(world_db["ThingTypes"])))
+                      for mt in world_db["Things"][0]["T_MEMTHING"]
+                      if mt[0] == tid]:
+             c = world_db["ThingTypes"][mt[0]]["TT_SYMBOL"]
+             mem[(mt[1] * length) + mt[2]] = ord(c)
         string = write_map(string, mem)
         atomic_write(io_db["path_worldstate"], string, delete=False)
         strong_write(io_db["file_out"], "WORLD_UPDATED\n")
@@ -409,7 +410,7 @@ def play_game():
         obey(read_command(), "in file", do_record=True)
 
 
-def remake_map():
+def make_map():
     """(Re-)make island map.
 
     Let "~" represent water, "." land, "X" trees: Build island shape randomly,
@@ -418,6 +419,7 @@ def remake_map():
     to land. The cycle ends when a land cell is due to be created at the map's
     border. Then put some trees on the map (TODO: more precise algorithm desc).
     """
+
     def is_neighbor(coordinates, type):
         y = coordinates[0]
         x = coordinates[1]
@@ -440,8 +442,7 @@ def remake_map():
                and type == chr(world_db["MAP"][pos + length - (not ind)])):
             return True
         return False
-    store_seed = rand.seed
-    rand.seed = world_db["SEED_MAP"]
+
     world_db["MAP"] = bytearray(b'~' * (world_db["MAP_LENGTH"] ** 2))
     length = world_db["MAP_LENGTH"]
     add_half_width = (not (length % 2)) * int(length / 2)
@@ -462,43 +463,53 @@ def remake_map():
         x = rand.next() % length
         pos = (y * length) + x
         if "." == chr(world_db["MAP"][pos]) \
-          and ((not single_allowed) or is_neighbor((y, x), "X")):
+                and ((not single_allowed) or is_neighbor((y, x), "X")):
             world_db["MAP"][pos] = ord("X")
             i_trees += 1
-    rand.seed = store_seed
     # This all-too-precise replica of the original C code misses iter_limit().
 
 
 def update_map_memory(t, age_map=True):
     """Update t's T_MEMMAP with what's in its FOV now,age its T_MEMMEPTHMAP."""
+
+    def age_some_memdepthmap_on_nonfov_cells():
+        # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
+        # ord_v = ord("v")
+        # ord_0 = ord("0")
+        # ord_9 = ord("9")
+        # for pos in [pos for pos in range(world_db["MAP_LENGTH"] ** 2)
+        #             if not ord_v == t["fovmap"][pos]
+        #             if ord_0 <= t["T_MEMDEPTHMAP"][pos]
+        #             if ord_9 > t["T_MEMDEPTHMAP"][pos]
+        #             if not rand.next() % (2 **
+        #                                   (t["T_MEMDEPTHMAP"][pos] - 48))]:
+        #     t["T_MEMDEPTHMAP"][pos] += 1
+        memdepthmap = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"])
+        fovmap = c_pointer_to_bytearray(t["fovmap"])
+        libpr.age_some_memdepthmap_on_nonfov_cells(memdepthmap, fovmap)
+
     if not t["T_MEMMAP"]:
         t["T_MEMMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
     if not t["T_MEMDEPTHMAP"]:
         t["T_MEMDEPTHMAP"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
     ord_v = ord("v")
     ord_0 = ord("0")
-    ord_space = ord(" ")
     for pos in [pos for pos in range(world_db["MAP_LENGTH"] ** 2)
                 if ord_v == t["fovmap"][pos]]:
         t["T_MEMDEPTHMAP"][pos] = ord_0
-        if ord_space == t["T_MEMMAP"][pos]:
-            t["T_MEMMAP"][pos] = world_db["MAP"][pos]
+        t["T_MEMMAP"][pos] = world_db["MAP"][pos]
     if age_map:
-        maptype = ctypes.c_char * len(t["T_MEMDEPTHMAP"])
-        memdepthmap = maptype.from_buffer(t["T_MEMDEPTHMAP"])
-        fovmap = maptype.from_buffer(t["fovmap"])
-        libpr.age_some_memdepthmap_on_nonfov_cells(memdepthmap, fovmap)
-    for mt in [mt for mt in t["T_MEMTHING"]
-               if "v" == chr(t["fovmap"][(mt[1] * world_db["MAP_LENGTH"])
-                                         + mt[2]])]:
-         t["T_MEMTHING"].remove(mt)
+        age_some_memdepthmap_on_nonfov_cells()
+    t["T_MEMTHING"] = [mt for mt in t["T_MEMTHING"]
+                       if ord_v != t["fovmap"][(mt[1] * world_db["MAP_LENGTH"])
+                                               + mt[2]]]
     for id in [id for id in world_db["Things"]
                if not world_db["Things"][id]["carried"]]:
         type = world_db["Things"][id]["T_TYPE"]
         if not world_db["ThingTypes"][type]["TT_LIFEPOINTS"]:
             y = world_db["Things"][id]["T_POSY"]
             x = world_db["Things"][id]["T_POSX"]
-            if "v" == chr(t["fovmap"][(y * world_db["MAP_LENGTH"]) + x]):
+            if ord_v == t["fovmap"][(y * world_db["MAP_LENGTH"]) + x]:
                 t["T_MEMTHING"].append((type, y, x))
 
 
@@ -514,12 +525,12 @@ def integer_test(val_string, min, max=None):
     """Return val_string if integer >= min & (if max set) <= max, else None."""
     try:
         val = int(val_string)
-        if val < min or (max != None and val > max):
+        if val < min or (max is not None and val > max):
             raise ValueError
         return val
     except ValueError:
         msg = "Ignoring: Please use integer >= " + str(min)
-        if max != None:
+        if max is not None:
             msg += " and <= " + str(max)
         msg += "."
         print(msg)
@@ -555,32 +566,42 @@ def setter(category, key, min, max=None):
 def build_fov_map(t):
     """Build Thing's FOV map."""
     t["fovmap"] = bytearray(b'v' * (world_db["MAP_LENGTH"] ** 2))
-    maptype = ctypes.c_char * len(world_db["MAP"])
-    test = libpr.build_fov_map(t["T_POSY"], t["T_POSX"],
-                               maptype.from_buffer(t["fovmap"]),
-                               maptype.from_buffer(world_db["MAP"]))
-    if test:
+    fovmap = c_pointer_to_bytearray(t["fovmap"])
+    map = c_pointer_to_bytearray(world_db["MAP"])
+    if libpr.build_fov_map(t["T_POSY"], t["T_POSX"], fovmap, map):
         raise RuntimeError("Malloc error in build_fov_Map().")
 
 
+def log_help():
+    """Send quick usage info to log."""
+    strong_write(io_db["file_out"], "LOG See README file for help.\n")
+
+
 def decrement_lifepoints(t):
     """Decrement t's lifepoints by 1, and if to zero, corpse it.
 
     If t is the player avatar, only blank its fovmap, so that the client may
     still display memory data. On non-player things, erase fovmap and memory.
+    Dying actors drop all their things.
     """
     t["T_LIFEPOINTS"] -= 1
     if 0 == t["T_LIFEPOINTS"]:
+        for id in t["T_CARRIES"]:
+            t["T_CARRIES"].remove(id)
+            world_db["Things"][id]["T_POSY"] = t["T_POSY"]
+            world_db["Things"][id]["T_POSX"] = t["T_POSX"]
+            world_db["Things"][id]["carried"] = False
         t["T_TYPE"] = world_db["ThingTypes"][t["T_TYPE"]]["TT_CORPSE_ID"]
         if world_db["Things"][0] == t:
             t["fovmap"] = bytearray(b' ' * (world_db["MAP_LENGTH"] ** 2))
             strong_write(io_db["file_out"], "LOG You die.\n")
+            strong_write(io_db["file_out"],
+                         "LOG See README on how to start over.\n")
         else:
             t["fovmap"] = False
             t["T_MEMMAP"] = False
             t["T_MEMDEPTHMAP"] = False
             t["T_MEMTHING"] = []
-            strong_write(io_db["file_out"], "LOG It dies.\n")
 
 
 def mv_yx_in_dir_legal(dir, y, x):
@@ -605,7 +626,6 @@ def actor_move(t):
                                      t["T_POSY"], t["T_POSX"])
     if 1 == move_result[0]:
         pos = (move_result[1] * world_db["MAP_LENGTH"]) + move_result[2]
-        passable = "." == chr(world_db["MAP"][pos])
         hitted = [id for id in world_db["Things"]
                   if world_db["Things"][id] != t
                   if world_db["Things"][id]["T_LIFEPOINTS"]
@@ -613,16 +633,18 @@ def actor_move(t):
                   if world_db["Things"][id]["T_POSX"] == move_result[2]]
         if len(hitted):
             hit_id = hitted[0]
-            hitter_name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
-            hitter = "You" if t == world_db["Things"][0] else hitter_name
-            hitted_type = world_db["Things"][hit_id]["T_TYPE"]
-            hitted_name = world_db["ThingTypes"][hitted_type]["TT_NAME"]
-            hitted = "you" if hit_id == 0 else hitted_name
-            verb = " wound " if hitter == "You" else " wounds "
-            strong_write(io_db["file_out"], "LOG " + hitter + verb + hitted +
-                                            ".\n")
+            if t == world_db["Things"][0]:
+                hitted_type = world_db["Things"][hit_id]["T_TYPE"]
+                hitted_name = world_db["ThingTypes"][hitted_type]["TT_NAME"]
+                strong_write(io_db["file_out"], "LOG You wound "
+                                                + hitted_name + ".\n")
+            elif 0 == hit_id:
+                hitter_name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
+                strong_write(io_db["file_out"], "LOG " + hitter_name +
+                                                " wounds you.\n")
             decrement_lifepoints(world_db["Things"][hit_id])
             return
+        passable = "." == chr(world_db["MAP"][pos])
     dir = [dir for dir in directions_db
            if directions_db[dir] == chr(t["T_ARGUMENT"])][0]
     if passable:
@@ -639,19 +661,23 @@ def actor_move(t):
 
 
 def actor_pick_up(t):
-    """Make t pick up (topmost?) Thing from ground into inventory."""
-    # Topmostness is actually not defined so far. Picks Thing with highest ID.
+    """Make t pick up (topmost?) Thing from ground into inventory.
+
+    Define topmostness by how low the thing's type ID is.
+    """
     ids = [id for id in world_db["Things"] if world_db["Things"][id] != t
            if not world_db["Things"][id]["carried"]
            if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
            if world_db["Things"][id]["T_POSX"] == t["T_POSX"]]
     if len(ids):
-        highest_id = 0
-        for id in ids:
-            if id > highest_id:
-                highest_id = id
-        world_db["Things"][highest_id]["carried"] = True
-        t["T_CARRIES"].append(highest_id)
+        lowest_tid = -1
+        for iid in ids:
+            tid = world_db["Things"][iid]["T_TYPE"]
+            if lowest_tid == -1 or tid < lowest_tid:
+                id = iid
+                lowest_tid = tid
+        world_db["Things"][id]["carried"] = True
+        t["T_CARRIES"].append(id)
         if t == world_db["Things"][0]:
             strong_write(io_db["file_out"], "LOG You pick up an object.\n")
     elif t == world_db["Things"][0]:
@@ -679,10 +705,10 @@ def actor_use(t):
     if len(t["T_CARRIES"]):
         id = t["T_CARRIES"][t["T_ARGUMENT"]]
         type = world_db["Things"][id]["T_TYPE"]
-        if world_db["ThingTypes"][type]["TT_CONSUMABLE"]:
+        if world_db["ThingTypes"][type]["TT_TOOL"] == "food":
             t["T_CARRIES"].remove(id)
             del world_db["Things"][id]
-            t["T_SATIATION"] += world_db["ThingTypes"][type]["TT_CONSUMABLE"]
+            t["T_SATIATION"] += world_db["ThingTypes"][type]["TT_TOOLPOWER"]
             if t == world_db["Things"][0]:
                 strong_write(io_db["file_out"],
                              "LOG You consume this object.\n")
@@ -694,31 +720,21 @@ def actor_use(t):
                      "LOG You try to use an object, but you own none.\n")
 
 
-def thingproliferation(t):
-    """To chance of 1/TT_PROLIFERATE, create t offspring in neighbor cell.
+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
-    passable and not be inhabited by a Thing of the same type, or, if Thing is
-    animate, any other animate Thing. If there are several map cell candidates,
-    one is selected randomly.
+    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.
     """
-    def test_cell(t, y, x):
-        if "." == chr(world_db["MAP"][(y * world_db["MAP_LENGTH"]) + x]):
-            for id in [id for id in world_db["Things"]
-                       if y == world_db["Things"][id]["T_POSY"]
-                       if x == world_db["Things"][id]["T_POSX"]
-                       if (t["T_TYPE"] == world_db["Things"][id]["T_TYPE"])
-                       or (t["T_LIFEPOINTS"] and
-                           world_db["Things"][id]["T_LIFEPOINTS"])]:
-                return False
-            return True
-        return False
     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 directions_db]:
+        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"])
-            if mv_result[0] and test_cell(t, mv_result[1], mv_result[2]):
+            if mv_result[0] and  ord('.') == prol_map[mv_result[1]
+                                                      * world_db["MAP_LENGTH"]
+                                                      + mv_result[2]]:
                 candidates.append((mv_result[1], mv_result[2]))
         if len(candidates):
             i = rand.next() % len(candidates)
@@ -728,41 +744,30 @@ def thingproliferation(t):
 
 
 def try_healing(t):
-    """Grow t's HP to a 1/32 chance if < HP max, satiation > 0, and waiting.
-
-    On success, decrease satiation score by 32.
-    """
-    if t["T_SATIATION"] > 0 \
-       and t["T_LIFEPOINTS"] < \
-           world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"] \
-       and 0 == (rand.next() % 31) \
-       and t["T_COMMAND"] == [id for id in world_db["ThingActions"]
-                              if world_db["ThingActions"][id]["TA_NAME"] ==
-                                 "wait"][0]:
-        t["T_LIFEPOINTS"] += 1
-        t["T_SATIATION"] -= 32
-        if t == world_db["Things"][0]:
-            strong_write(io_db["file_out"], "LOG You heal.\n")
-        else:
-            name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
-            strong_write(io_db["file_out"], "LOG " + name + "heals.\n")
-
+    """If t's HP < max, increment them if well-nourished, maybe waiting."""
+    if t["T_LIFEPOINTS"] < \
+       world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"]:
+        wait_id = [id for id in world_db["ThingActions"]
+                      if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0]
+        wait_divider = 8 if t["T_COMMAND"] == wait_id else 1
+        testval = int(abs(t["T_SATIATION"]) / wait_divider)
+        if (testval <= 1 or 1 == (rand.next() % testval)):
+            t["T_LIFEPOINTS"] += 1
+            if t == world_db["Things"][0]:
+                strong_write(io_db["file_out"], "LOG You heal.\n")
 
 def hunger(t):
     """Decrement t's satiation,dependent on it trigger lifepoint dec chance."""
     if t["T_SATIATION"] > -32768:
-        t["T_SATIATION"] -= 1
-    testbase = t["T_SATIATION"] if t["T_SATIATION"] >= 0 else -t["T_SATIATION"]
-    if not world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"]:
-        raise RuntimeError("A thing that should not hunger is hungering.")
-    stomach = int(32767 / world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"])
-    if int(int(testbase / stomach) / ((rand.next() % stomach) + 1)):
+        max_hp = world_db["ThingTypes"][t["T_TYPE"]]["TT_LIFEPOINTS"]
+        t["T_SATIATION"] -= int(math.sqrt(max_hp))
+    if 0 != t["T_SATIATION"] and 0 == int(rand.next() / abs(t["T_SATIATION"])):
         if t == world_db["Things"][0]:
-            strong_write(io_db["file_out"], "LOG You suffer from hunger.\n")
-        else:
-            name = world_db["ThingTypes"][t["T_TYPE"]]["TT_NAME"]
-            strong_write(io_db["file_out"], "LOG " + name +
-                                            " suffers from hunger.\n")
+            if t["T_SATIATION"] < 0:
+                strong_write(io_db["file_out"], "LOG You suffer from hunger.\n")
+            else:
+                strong_write(io_db["file_out"],
+                             "LOG You suffer from over-eating.\n")
         decrement_lifepoints(t)
 
 
@@ -786,10 +791,12 @@ def get_dir_to_target(t, filter):
     """
 
     def zero_score_map_where_char_on_memdepthmap(c):
-        maptype = ctypes.c_char * len(t["T_MEMDEPTHMAP"])
-        map = maptype.from_buffer(t["T_MEMDEPTHMAP"])
-        test = libpr.zero_score_map_where_char_on_memdepthmap(c, map)
-        if test:
+        # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
+        # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
+        #           if t["T_MEMDEPTHMAP"][i] == mem_depth_c[0]]:
+        #     set_map_score(i, 0)
+        map = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"])
+        if libpr.zero_score_map_where_char_on_memdepthmap(c, map):
             raise RuntimeError("No score map allocated for "
                                "zero_score_map_where_char_on_memdepthmap().")
 
@@ -815,34 +822,34 @@ def get_dir_to_target(t, filter):
                                           + Thing["T_POSX"]]):
                     ThingType = world_db["ThingTypes"][Thing["T_TYPE"]]
                     if ("f" == filter and ThingType["TT_LIFEPOINTS"] >=
-                                          t["T_LIFEPOINTS"]) \
+                        t["T_LIFEPOINTS"]) \
                        or ("a" == filter and ThingType["TT_LIFEPOINTS"] <
-                                             t["T_LIFEPOINTS"]):
+                            t["T_LIFEPOINTS"]):
                         return True
         elif t["T_MEMMAP"] and "c" == filter:
             for mt in t["T_MEMTHING"]:
                 if ' ' != chr(t["T_MEMMAP"][(mt[1] * world_db["MAP_LENGTH"])
-                                         + mt[2]]) \
-                   and world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]:
+                                            + mt[2]]) \
+                   and world_db["ThingTypes"][mt[0]]["TT_TOOL"] == "food":
                     return True
         return False
 
     def set_cells_passable_on_memmap_to_65534_on_scoremap():
-        # OUTSOURCED TO libplomrogue.so:
+        # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
+        # ord_dot = ord(".")
         # memmap = t["T_MEMMAP"]
         # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
         #            if ord_dot == memmap[i]]:
         #     set_map_score(i, 65534) # i.e. 65535-1
         map = c_pointer_to_bytearray(t["T_MEMMAP"])
         if libpr.set_cells_passable_on_memmap_to_65534_on_scoremap(map):
-            raise RuntimeError("No score map allocated for "
-                         "set_cells_passable_on_memmap_to_65534_on_scoremap().")
+            raise RuntimeError("No score map allocated for set_cells_passable"
+                               "_on_memmap_to_65534_on_scoremap().")
 
     def init_score_map():
         test = libpr.init_score_map()
         if test:
             raise RuntimeError("Malloc error in init_score_map().")
-        ord_dot = ord(".")
         ord_v = ord("v")
         ord_blank = ord(" ")
         set_cells_passable_on_memmap_to_65534_on_scoremap()
@@ -850,7 +857,7 @@ def get_dir_to_target(t, filter):
             for id in world_db["Things"]:
                 Thing = world_db["Things"][id]
                 pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] \
-                      + Thing["T_POSX"]
+                    + Thing["T_POSX"]
                 if t != Thing and Thing["T_LIFEPOINTS"] and \
                    t["T_TYPE"] != Thing["T_TYPE"] and \
                    ord_v == t["fovmap"][pos] and \
@@ -864,7 +871,7 @@ def get_dir_to_target(t, filter):
                        if world_db["Things"][id]["T_LIFEPOINTS"]]:
                 Thing = world_db["Things"][id]
                 pos = Thing["T_POSY"] * world_db["MAP_LENGTH"] \
-                      + Thing["T_POSX"]
+                    + Thing["T_POSX"]
                 if t["T_TYPE"] != Thing["T_TYPE"] and \
                    ord_v == t["fovmap"][pos] and \
                    t["T_LIFEPOINTS"] <= \
@@ -873,9 +880,9 @@ def get_dir_to_target(t, filter):
         elif "c" == filter:
             for mt in [mt for mt in t["T_MEMTHING"]
                        if ord_blank != t["T_MEMMAP"][mt[1]
-                                                    * world_db["MAP_LENGTH"]
-                                                    + mt[2]]
-                       if world_db["ThingTypes"][mt[0]]["TT_CONSUMABLE"]]:
+                                                     * world_db["MAP_LENGTH"]
+                                                     + mt[2]]
+                       if world_db["ThingTypes"][mt[0]]["TT_TOOL"] == "food"]:
                 set_map_score(mt[1] * world_db["MAP_LENGTH"] + mt[2], 0)
         elif "s" == filter:
             zero_score_map_where_char_on_memdepthmap(mem_depth_c[0])
@@ -912,7 +919,7 @@ def get_dir_to_target(t, filter):
             for i in range(len(dirs)):
                 mv_yx_in_dir_legal(dirs[i], t["T_POSY"], t["T_POSX"])
                 pos_cmp = libpr.result_y() * world_db["MAP_LENGTH"] \
-                          + libpr.result_x()
+                    + libpr.result_x()
                 for pos in [pos for pos in inhabited if pos == pos_cmp]:
                     neighbors[i] = 65535
                     break
@@ -933,7 +940,7 @@ def get_dir_to_target(t, filter):
                     t["T_COMMAND"] = [id for id in world_db["ThingActions"]
                                       if
                                       world_db["ThingActions"][id]["TA_NAME"]
-                                         == "wait"][0]
+                                      == "wait"][0]
                     return 1
             elif dir_to_target and 3 < get_map_score(eye_pos):
                 dir_to_target = 0
@@ -948,7 +955,7 @@ def get_dir_to_target(t, filter):
         run_i -= 1
         init_score_map()
         mem_depth_c = b'9' if b' ' == mem_depth_c \
-                           else bytes([mem_depth_c[0] - 1])
+            else bytes([mem_depth_c[0] - 1])
         if libpr.dijkstra_map():
             raise RuntimeError("No score map allocated for dijkstra_map().")
         dir_to_target = get_dir_from_neighbors()
@@ -956,31 +963,32 @@ def get_dir_to_target(t, filter):
         if dir_to_target and str == type(dir_to_target):
             t["T_COMMAND"] = [id for id in world_db["ThingActions"]
                               if world_db["ThingActions"][id]["TA_NAME"]
-                                 == "move"][0]
+                              == "move"][0]
             t["T_ARGUMENT"] = ord(dir_to_target)
     return dir_to_target
 
 
-def standing_on_consumable(t):
+def standing_on_food(t):
     """Return True/False whether t is standing on a consumable."""
     for id in [id for id in world_db["Things"] if world_db["Things"][id] != t
                if world_db["Things"][id]["T_POSY"] == t["T_POSY"]
                if world_db["Things"][id]["T_POSX"] == t["T_POSX"]
                if world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]]
-                          ["TT_CONSUMABLE"]]:
+                          ["TT_TOOL"] == "food"]:
         return True
     return False
 
 
 def get_inventory_slot_to_consume(t):
     """Return slot Id of strongest consumable in t's inventory, else -1."""
-    cmp_consumability = 0
+    cmp_food = 0
     selection = -1
     i = 0
     for id in t["T_CARRIES"]:
         type = world_db["Things"][id]["T_TYPE"]
-        if world_db["ThingTypes"][type]["TT_CONSUMABLE"] > cmp_consumability:
-            cmp_consumability = world_db["ThingTypes"][type]["TT_CONSUMABLE"]
+        if world_db["ThingTypes"][type]["TT_TOOL"] == "food" \
+           and world_db["ThingTypes"][type]["TT_TOOLPOWER"] > cmp_food:
+            cmp_food = world_db["ThingTypes"][type]["TT_TOOLPOWER"]
             selection = i
         i += 1
     return selection
@@ -1004,12 +1012,12 @@ def ai(t):
         if -1 != sel:
             t["T_COMMAND"] = [id for id in world_db["ThingActions"]
                               if world_db["ThingActions"][id]["TA_NAME"]
-                                 == "use"][0]
+                              == "use"][0]
             t["T_ARGUMENT"] = sel
-        elif standing_on_consumable(t):
+        elif standing_on_food(t):
             t["T_COMMAND"] = [id for id in world_db["ThingActions"]
                               if world_db["ThingActions"][id]["TA_NAME"]
-                                 == "pick_up"][0]
+                              == "pick_up"][0]
         elif (not get_dir_to_target(t, "c")) and \
              (not get_dir_to_target(t, "a")):
             get_dir_to_target(t, "s")
@@ -1020,6 +1028,12 @@ def turn_over():
     id = 0
     whilebreaker = False
     while world_db["Things"][0]["T_LIFEPOINTS"]:
+        proliferable_map = world_db["MAP"][:]
+        for id in [id for id in world_db["Things"]
+                   if not world_db["Things"][id]["carried"]]:
+            y = world_db["Things"][id]["T_POSY"]
+            x = world_db["Things"][id]["T_POSX"]
+            proliferable_map[y * world_db["MAP_LENGTH"] + x] = ord('X')
         for id in [id for id in world_db["Things"]]:  # Only what's from start!
             if not id in world_db["Things"] or \
                world_db["Things"][id]["carried"]:   # May have been consumed or
@@ -1033,16 +1047,17 @@ def turn_over():
                         break
                     ai(Thing)
                 try_healing(Thing)
-                Thing["T_PROGRESS"] += 1
-                taid = [a for a in world_db["ThingActions"]
-                          if a == Thing["T_COMMAND"]][0]
-                ThingAction = world_db["ThingActions"][taid]
-                if Thing["T_PROGRESS"] == ThingAction["TA_EFFORT"]:
-                    eval("actor_" + ThingAction["TA_NAME"])(Thing)
-                    Thing["T_COMMAND"] = 0
-                    Thing["T_PROGRESS"] = 0
                 hunger(Thing)
-            thingproliferation(Thing)
+                if Thing["T_LIFEPOINTS"]:
+                    Thing["T_PROGRESS"] += 1
+                    taid = [a for a in world_db["ThingActions"]
+                              if a == Thing["T_COMMAND"]][0]
+                    ThingAction = world_db["ThingActions"][taid]
+                    if Thing["T_PROGRESS"] == ThingAction["TA_EFFORT"]:
+                        eval("actor_" + ThingAction["TA_NAME"])(Thing)
+                        Thing["T_COMMAND"] = 0
+                        Thing["T_PROGRESS"] = 0
+            thingproliferation(Thing, proliferable_map)
         if whilebreaker:
             break
         world_db["TURN"] += 1
@@ -1106,8 +1121,10 @@ def command_ping():
 
 def command_quit():
     """Abort server process."""
-    save_world()
-    atomic_write(io_db["path_record"], io_db["record_chunk"], do_append=True)
+    if None == opts.replay:
+        if world_db["WORLD_ACTIVE"]:
+            save_world()
+        atomic_write(io_db["path_record"], io_db["record_chunk"], do_append=True)
     raise SystemExit("received QUIT command")
 
 
@@ -1121,18 +1138,21 @@ def command_thingshere(str_y, str_x):
             pos = (y * world_db["MAP_LENGTH"]) + x
             strong_write(io_db["file_out"], "THINGS_HERE START\n")
             if "v" == chr(world_db["Things"][0]["fovmap"][pos]):
-                for id in world_db["Things"]:
-                    if y == world_db["Things"][id]["T_POSY"] \
-                       and x == world_db["Things"][id]["T_POSX"] \
-                       and not world_db["Things"][id]["carried"]:
-                        type = world_db["Things"][id]["T_TYPE"]
-                        name = world_db["ThingTypes"][type]["TT_NAME"]
-                        strong_write(io_db["file_out"], name + "\n")
+                for id in [id for tid in sorted(list(world_db["ThingTypes"]))
+                              for id in world_db["Things"]
+                              if not world_db["Things"][id]["carried"]
+                              if world_db["Things"][id]["T_TYPE"] == tid
+                              if y == world_db["Things"][id]["T_POSY"]
+                              if x == world_db["Things"][id]["T_POSX"]]:
+                    type = world_db["Things"][id]["T_TYPE"]
+                    name = world_db["ThingTypes"][type]["TT_NAME"]
+                    strong_write(io_db["file_out"], name + "\n")
             else:
-                for mt in world_db["Things"][0]["T_MEMTHING"]:
-                    if y == mt[1] and x == mt[2]:
-                        name = world_db["ThingTypes"][mt[0]]["TT_NAME"]
-                        strong_write(io_db["file_out"], name + "\n")
+                for mt in [mt for tid in sorted(list(world_db["ThingTypes"]))
+                              for mt in world_db["Things"][0]["T_MEMTHING"]
+                              if mt[0] == tid if y == mt[1] if x == mt[2]]:
+                    name = world_db["ThingTypes"][mt[0]]["TT_NAME"]
+                    strong_write(io_db["file_out"], name + "\n")
             strong_write(io_db["file_out"], "THINGS_HERE END\n")
         else:
             print("Ignoring: Invalid map coordinates.")
@@ -1148,7 +1168,7 @@ def play_commander(action, args=False):
 
     def set_command():
         id = [x for x in world_db["ThingActions"]
-                if world_db["ThingActions"][x]["TA_NAME"] == action][0]
+              if world_db["ThingActions"][x]["TA_NAME"] == action][0]
         world_db["Things"][0]["T_COMMAND"] = id
         turn_over()
 
@@ -1180,22 +1200,17 @@ def command_seedrandomness(seed_string):
         rand.seed = val
 
 
-def command_seedmap(seed_string):
-    """Set world_db["SEED_MAP"] to int(seed_string), then (re-)make map."""
-    setter(None, "SEED_MAP", 0, 4294967295)(seed_string)
-    remake_map()
-
-
 def command_makeworld(seed_string):
     """(Re-)build game world, i.e. map, things, to a new turn 1 from seed.
 
-    Seed rand with seed, fill it into world_db["SEED_MAP"]. Do more only with a
-    "wait" ThingAction and world["PLAYER_TYPE"] matching ThingType of
-    TT_START_NUMBER > 0. Then, world_db["Things"] emptied, call remake_map()
-    and set world_db["WORLD_ACTIVE"], world_db["TURN"] to 1. Build new Things
+    Seed rand with seed. Do more only with a "wait" ThingAction and
+    world["PLAYER_TYPE"] matching ThingType of TT_START_NUMBER > 0. Then,
+    world_db["Things"] emptied, call make_map() and set
+    world_db["WORLD_ACTIVE"], world_db["TURN"] to 1. Build new Things
     according to ThingTypes' TT_START_NUMBERS, with Thing of ID 0 to ThingType
     of ID = world["PLAYER_TYPE"]. Place Things randomly, and actors not on each
     other. Init player's memory map. Write "NEW_WORLD" line to out file.
+    Call log_help().
     """
 
     def free_pos():
@@ -1223,7 +1238,6 @@ def command_makeworld(seed_string):
     if None == val:
         return
     rand.seed = val
-    world_db["SEED_MAP"] = val
     player_will_be_generated = False
     playertype = world_db["PLAYER_TYPE"]
     for ThingType in world_db["ThingTypes"]:
@@ -1232,8 +1246,7 @@ def command_makeworld(seed_string):
                 player_will_be_generated = True
             break
     if not player_will_be_generated:
-        print("Ignoring beyond SEED_MAP: " +
-              "No player type with start number >0 defined.")
+        print("Ignoring: No player type with start number >0 defined.")
         return
     wait_action = False
     for ThingAction in world_db["ThingActions"]:
@@ -1244,12 +1257,15 @@ def command_makeworld(seed_string):
               "No thing action with name 'wait' defined.")
         return
     world_db["Things"] = {}
-    remake_map()
+    make_map()
     world_db["WORLD_ACTIVE"] = 1
     world_db["TURN"] = 1
     for i in range(world_db["ThingTypes"][playertype]["TT_START_NUMBER"]):
         id = id_setter(-1, "Things")
         world_db["Things"][id] = new_Thing(playertype, free_pos())
+    if not world_db["Things"][0]["fovmap"]:
+        empty_fovmap = bytearray(b" " * world_db["MAP_LENGTH"] ** 2)
+        world_db["Things"][0]["fovmap"] = empty_fovmap
     update_map_memory(world_db["Things"][0])
     for type in world_db["ThingTypes"]:
         for i in range(world_db["ThingTypes"][type]["TT_START_NUMBER"]):
@@ -1257,6 +1273,7 @@ def command_makeworld(seed_string):
                 id = id_setter(-1, "Things")
                 world_db["Things"][id] = new_Thing(type, free_pos())
     strong_write(io_db["file_out"], "NEW_WORLD\n")
+    log_help()
 
 
 def command_maplength(maplength_string):
@@ -1264,6 +1281,7 @@ def command_maplength(maplength_string):
     val = integer_test(maplength_string, 1, 256)
     if None != val:
         world_db["MAP_LENGTH"] = val
+        world_db["MAP"] = False
         set_world_inactive()
         world_db["Things"] = {}
         libpr.set_maplength(val)
@@ -1273,12 +1291,12 @@ def command_worldactive(worldactive_string):
     """Toggle world_db["WORLD_ACTIVE"] if possible.
 
     An active world can always be set inactive. An inactive world can only be
-    set active with a "wait" ThingAction, and a player Thing (of ID 0). On
-    activation, rebuild all Things' FOVs, and the player's map memory.
+    set active with a "wait" ThingAction, and a player Thing (of ID 0), and a
+    map. On activation, rebuild all Things' FOVs, and the player's map memory.
+    Also call log_help().
     """
-    # In original version, map existence was also tested (unnecessarily?).
     val = integer_test(worldactive_string, 0, 1)
-    if val:
+    if None != val:
         if 0 != world_db["WORLD_ACTIVE"]:
             if 0 == val:
                 set_world_inactive()
@@ -1295,13 +1313,19 @@ def command_worldactive(worldactive_string):
                 if 0 == Thing:
                     player_exists = True
                     break
-            if wait_exists and player_exists:
+            if wait_exists and player_exists and world_db["MAP"]:
                 for id in world_db["Things"]:
                     if world_db["Things"][id]["T_LIFEPOINTS"]:
                         build_fov_map(world_db["Things"][id])
                         if 0 == id:
                             update_map_memory(world_db["Things"][id], False)
+                if not world_db["Things"][0]["T_LIFEPOINTS"]:
+                    empty_fovmap = bytearray(b" " * world_db["MAP_LENGTH"] ** 2)
+                    world_db["Things"][0]["fovmap"] = empty_fovmap
                 world_db["WORLD_ACTIVE"] = 1
+                log_help()
+            else:
+                print("Ignoring: Not all conditions for world activation met.")
 
 
 def test_for_id_maker(object, category):
@@ -1368,7 +1392,7 @@ def command_tcarries(str_int):
         if val == command_tid.id:
             print("Ignoring: Thing cannot carry itself.")
         elif val in world_db["Things"] \
-             and not world_db["Things"][val]["carried"]:
+                and not world_db["Things"][val]["carried"]:
             world_db["Things"][command_tid.id]["T_CARRIES"].append(val)
             world_db["Things"][val]["carried"] = True
         else:
@@ -1397,12 +1421,12 @@ def command_tmemthing(str_t, str_y, str_x):
 
 
 def setter_map(maptype):
-    """Set selected Thing's map of maptype's int(str_int)-th line to mapline.
+    """Set (world or Thing's) map of maptype's int(str_int)-th line to mapline.
 
-    If Thing has no map of maptype yet, initialize it with ' ' bytes first.
+    If no map of maptype exists yet, initialize it with ' ' bytes first.
     """
-    @test_Thing_id
-    def helper(str_int, mapline):
+
+    def valid_map_line(str_int, mapline):
         val = integer_test(str_int, 0, 255)
         if None != val:
             if val >= world_db["MAP_LENGTH"]:
@@ -1410,15 +1434,36 @@ def setter_map(maptype):
             elif len(mapline) != world_db["MAP_LENGTH"]:
                 print("Map line length is unequal map width.")
             else:
-                length = world_db["MAP_LENGTH"]
-                map = None
-                if not world_db["Things"][command_tid.id][maptype]:
-                    map = bytearray(b' ' * (length ** 2))
-                else:
-                    map = world_db["Things"][command_tid.id][maptype]
-                map[val * length:(val * length) + length] = mapline.encode()
+                return val
+        return None
+
+    def nonThingMap_helper(str_int, mapline):
+        val = valid_map_line(str_int, mapline)
+        if None != val:
+            length = world_db["MAP_LENGTH"]
+            if not world_db["MAP"]:
+                map = bytearray(b' ' * (length ** 2))
+            else:
+                map = world_db["MAP"]
+            map[val * length:(val * length) + length] = mapline.encode()
+            if not world_db["MAP"]:
+                world_db["MAP"] = map
+
+    @test_Thing_id
+    def ThingMap_helper(str_int, mapline):
+        val = valid_map_line(str_int, mapline)
+        if None != val:
+            length = world_db["MAP_LENGTH"]
+            if not world_db["Things"][command_tid.id][maptype]:
+                map = bytearray(b' ' * (length ** 2))
+            else:
+                map = world_db["Things"][command_tid.id][maptype]
+            map[val * length:(val * length) + length] = mapline.encode()
+            if not world_db["Things"][command_tid.id][maptype]:
                 world_db["Things"][command_tid.id][maptype] = map
-    return helper
+
+    return nonThingMap_helper if maptype == "MAP" else ThingMap_helper
+
 
 
 def setter_tpos(axis):
@@ -1445,18 +1490,20 @@ def setter_tpos(axis):
 def command_ttid(id_string):
     """Set ID of ThingType to manipulate. ID unused? Create new one.
 
-    Default new ThingType's TT_SYMBOL to "?", TT_CORPSE_ID to self, others: 0.
+    Default new ThingType's TT_SYMBOL to "?", TT_CORPSE_ID to self, TT_TOOL to
+    "", others: 0. 
     """
     id = id_setter(id_string, "ThingTypes", command_ttid)
     if None != id:
         world_db["ThingTypes"][id] = {
             "TT_NAME": "(none)",
-            "TT_CONSUMABLE": 0,
+            "TT_TOOLPOWER": 0,
             "TT_LIFEPOINTS": 0,
             "TT_PROLIFERATE": 0,
             "TT_START_NUMBER": 0,
             "TT_SYMBOL": "?",
-            "TT_CORPSE_ID": id
+            "TT_CORPSE_ID": id,
+            "TT_TOOL": ""
         }
 
 
@@ -1469,6 +1516,12 @@ def command_ttname(name):
     world_db["ThingTypes"][command_ttid.id]["TT_NAME"] = name
 
 
+@test_ThingType_id
+def command_tttool(name):
+    """Set TT_TOOL of selected ThingType."""
+    world_db["ThingTypes"][command_ttid.id]["TT_TOOL"] = name
+
+
 @test_ThingType_id
 def command_ttsymbol(char):
     """Set TT_SYMBOL of selected ThingType. """
@@ -1546,25 +1599,25 @@ commands_db = {
     "PING": (0, True, command_ping),
     "THINGS_HERE": (2, True, command_thingshere),
     "MAKE_WORLD": (1, False, command_makeworld),
-    "SEED_MAP": (1, False, command_seedmap),
     "SEED_RANDOMNESS": (1, False, command_seedrandomness),
     "TURN": (1, False, setter(None, "TURN", 0, 65535)),
     "PLAYER_TYPE": (1, False, setter(None, "PLAYER_TYPE", 0)),
     "MAP_LENGTH": (1, False, command_maplength),
     "WORLD_ACTIVE": (1, False, command_worldactive),
+    "MAP": (2, False, setter_map("MAP")),
     "TA_ID": (1, False, command_taid),
     "TA_EFFORT": (1, False, setter("ThingAction", "TA_EFFORT", 0, 255)),
     "TA_NAME": (1, False, command_taname),
     "TT_ID": (1, False, command_ttid),
     "TT_NAME": (1, False, command_ttname),
+    "TT_TOOL": (1, False, command_tttool),
     "TT_SYMBOL": (1, False, command_ttsymbol),
     "TT_CORPSE_ID": (1, False, command_ttcorpseid),
-    "TT_CONSUMABLE": (1, False, setter("ThingType", "TT_CONSUMABLE",
-                                       0, 65535)),
+    "TT_TOOLPOWER": (1, False, setter("ThingType", "TT_TOOLPOWER", 0, 65535)),
     "TT_START_NUMBER": (1, False, setter("ThingType", "TT_START_NUMBER",
                                          0, 255)),
     "TT_PROLIFERATE": (1, False, setter("ThingType", "TT_PROLIFERATE",
-                                        0, 255)),
+                                        0, 65535)),
     "TT_LIFEPOINTS": (1, False, setter("ThingType", "TT_LIFEPOINTS", 0, 255)),
     "T_ID": (1, False, command_tid),
     "T_ARGUMENT": (1, False, setter("Thing", "T_ARGUMENT", 0, 255)),
@@ -1586,15 +1639,16 @@ commands_db = {
     "use": (1, False, play_commander("use", True)),
     "ai": (0, False, command_ai)
 }
+# TODO: Unhandled cases: (Un-)killing animates (esp. player!) with T_LIFEPOINTS.
 
 
 """World state database. With sane default values. (Randomness is in rand.)"""
 world_db = {
     "TURN": 0,
     "MAP_LENGTH": 64,
-    "SEED_MAP": 0,
     "PLAYER_TYPE": 0,
     "WORLD_ACTIVE": 0,
+    "MAP": False,
     "ThingActions": {},
     "ThingTypes": {},
     "Things": {}