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.
6 from server.config.world_data import world_db
9 def get_dir_to_target(t, filter):
10 """Try to set T_COMMAND/T_ARGUMENT for move to "filter"-determined target.
12 The path-wise nearest target is chosen, via the shortest available path.
13 Target must not be t. On succcess, return positive value, else False.
15 "a": Thing in FOV is animate, but of ThingType, starts out weaker than t
16 is, and its corpse would be healthy food for t
17 "f": move away from an enemy – any visible actor whose thing type has more
18 TT_LIFEPOINTS than t LIFEPOINTS, and might find t's corpse healthy
19 food – if it is closer than n steps, where n will shrink as t's hunger
20 grows; if enemy is too close, move towards (attack) the enemy instead;
21 if no fleeing is possible, nor attacking useful, wait; don't tread on
22 non-enemies for fleeing
23 "c": Thing in memorized map is consumable of sufficient nutrition for t
24 "s": memory map cell with greatest-reachable degree of unexploredness
26 from server.utils import rand, libpr, c_pointer_to_bytearray
27 from server.config.world_data import symbols_passable
28 tt = world_db["ThingTypes"][t["T_TYPE"]]
30 def zero_score_map_where_char_on_memdepthmap(c):
31 # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
32 # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
33 # if t["T_MEMDEPTHMAP"][i] == mem_depth_c[0]]:
35 map = c_pointer_to_bytearray(t["T_MEMDEPTHMAP"])
36 if libpr.zero_score_map_where_char_on_memdepthmap(c, map):
37 raise RuntimeError("No score map allocated for "
38 "zero_score_map_where_char_on_memdepthmap().")
40 def set_map_score(pos, score):
41 test = libpr.set_map_score(pos, score)
43 raise RuntimeError("No score map allocated for set_map_score().")
45 def get_map_score(pos):
46 result = libpr.get_map_score(pos)
48 raise RuntimeError("No score map allocated for get_map_score().")
51 def animates_in_fov(maplength):
52 return [Thing for Thing in world_db["Things"].values()
53 if Thing["T_LIFEPOINTS"] and not Thing["carried"]
54 and 118 == t["fovmap"][Thing["pos"]] and not Thing == t]
56 def good_attack_target(v):
57 eat_cost = tt["eat_vs_hunger_threshold"]
58 ty = world_db["ThingTypes"][v["T_TYPE"]]
59 type_corpse = world_db["ThingTypes"][ty["TT_CORPSE_ID"]]
60 if t["T_LIFEPOINTS"] > ty["TT_LIFEPOINTS"] \
61 and type_corpse["TT_TOOL"] == "food" \
62 and type_corpse["TT_TOOLPOWER"] > eat_cost:
66 def good_flee_target(m):
67 corpse_type = world_db["ThingTypes"][tt["TT_CORPSE_ID"]]
68 targetness = 0 if corpse_type["TT_TOOL"] != "food" \
69 else corpse_type["TT_TOOLPOWER"]
70 type = world_db["ThingTypes"][m["T_TYPE"]]
71 if t["T_LIFEPOINTS"] < type["TT_LIFEPOINTS"] \
72 and targetness > type["eat_vs_hunger_threshold"]:
83 maplength = world_db["MAP_LENGTH"]
84 if t["fovmap"] and "a" == filter:
85 return exists(Thing for Thing in animates_in_fov(maplength)
86 if good_attack_target(Thing))
87 elif t["fovmap"] and "f" == filter:
88 return exists(Thing for Thing in animates_in_fov(maplength)
89 if good_flee_target(Thing))
90 elif t["T_MEMMAP"] and "c" == filter:
91 eat_cost = tt["eat_vs_hunger_threshold"]
93 map_len = world_db["MAP_LENGTH"]
94 return exists(mt for mt in t["T_MEMTHING"]
95 if ord_blank != t["T_MEMMAP"][mt[1] * map_len + mt[2]]
96 and world_db["ThingTypes"][mt[0]]["TT_TOOL"] == "food"
97 and world_db["ThingTypes"][mt[0]]["TT_TOOLPOWER"]
101 def set_cells_passable_on_memmap_to_65534_on_scoremap():
102 # OUTSOURCED FOR PERFORMANCE REASONS TO libplomrogue.so:
103 # memmap = t["T_MEMMAP"]
104 # for i in [i for i in range(world_db["MAP_LENGTH"] ** 2)
105 # if memmap[i] in symbols_passable]:
106 # set_map_score(i, 65534) # i.e. 65535-1
107 map = c_pointer_to_bytearray(t["T_MEMMAP"])
108 if libpr.set_cells_passable_on_memmap_to_65534_on_scoremap(map,
110 raise RuntimeError("No score map allocated for set_cells_passable"
111 "_on_memmap_to_65534_on_scoremap().")
113 def init_score_map():
114 test = libpr.init_score_map()
116 raise RuntimeError("Malloc error in init_score_map().")
119 set_cells_passable_on_memmap_to_65534_on_scoremap()
120 maplen = world_db["MAP_LENGTH"]
122 [set_map_score(Thing["pos"], 0) for
123 Thing in animates_in_fov(maplen) if good_attack_target(Thing)]
125 [set_map_score(Thing["pos"], 0) for
126 Thing in animates_in_fov(maplen) if good_flee_target(Thing)]
128 eat_cost = tt["eat_vs_hunger_threshold"]
130 [set_map_score(mt[1] * maplen + mt[2], 0)
131 for mt in t["T_MEMTHING"]
132 if ord_blank != t["T_MEMMAP"][mt[1] * maplen + mt[2]]
133 if world_db["ThingTypes"][mt[0]]["TT_TOOL"] == "food"
134 if world_db["ThingTypes"][mt[0]]["TT_TOOLPOWER"] > eat_cost]
136 zero_score_map_where_char_on_memdepthmap(mem_depth_c[0])
138 [set_map_score(Thing["pos"], 65535)
139 for Thing in animates_in_fov(maplen)
140 if get_map_score(Thing["pos"])]
142 [set_map_score(Thing["pos"], 65535)
143 for Thing in animates_in_fov(maplen)]
145 def rand_target_dir(neighbors, cmp, dirs):
148 for i in range(len(dirs)):
149 if cmp == neighbors[i]:
150 candidates.append(dirs[i])
152 return candidates[rand.next() % n_candidates] if n_candidates else 0
154 def get_neighbor_scores(dirs, eye_pos):
156 if libpr.ready_neighbor_scores(eye_pos):
157 raise RuntimeError("No score map allocated for " +
158 "ready_neighbor_scores.()")
159 for i in range(len(dirs)):
160 scores.append(libpr.get_neighbor_score(i))
163 def get_dir_from_neighbors():
165 dir_to_target = False
168 neighbors = get_neighbor_scores(dirs, eye_pos)
169 minmax_start = 0 if "f" == filter else 65535 - 1
170 minmax_neighbor = minmax_start
171 for i in range(len(dirs)):
172 if ("f" == filter and get_map_score(eye_pos) < neighbors[i] and
173 minmax_neighbor < neighbors[i] and 65535 != neighbors[i]) \
174 or ("f" != filter and minmax_neighbor > neighbors[i]):
175 minmax_neighbor = neighbors[i]
176 if minmax_neighbor != minmax_start:
177 dir_to_target = rand_target_dir(neighbors, minmax_neighbor, dirs)
179 distance = get_map_score(eye_pos)
180 fear_distance = world_db["MAP_LENGTH"]
181 if t["T_SATIATION"] < 0 and math.sqrt(-t["T_SATIATION"]) > 0:
182 fear_distance = fear_distance / math.sqrt(-t["T_SATIATION"])
184 if not dir_to_target:
185 if attack_distance >= distance:
186 dir_to_target = rand_target_dir(neighbors,
188 elif fear_distance >= distance:
189 t["T_COMMAND"] = [id for id in world_db["ThingActions"]
191 world_db["ThingActions"][id]["TA_NAME"]
194 elif dir_to_target and fear_distance < distance:
198 dir_to_target = False
200 run_i = 9 + 1 if "s" == filter else 1
201 while run_i and not dir_to_target and ("s" == filter or seeing_thing()):
204 mem_depth_c = b'9' if b' ' == mem_depth_c \
205 else bytes([mem_depth_c[0] - 1])
206 if libpr.dijkstra_map():
207 raise RuntimeError("No score map allocated for dijkstra_map().")
208 dir_to_target = get_dir_from_neighbors()
209 libpr.free_score_map()
210 if dir_to_target and str == type(dir_to_target):
211 t["T_COMMAND"] = [id for id in world_db["ThingActions"]
212 if world_db["ThingActions"][id]["TA_NAME"]
214 t["T_ARGUMENT"] = ord(dir_to_target)
218 def standing_on_food(t):
219 """Return True/False whether t is standing on healthy consumable."""
220 tt = world_db["ThingTypes"][t["T_TYPE"]]
221 eat_cost = tt["eat_vs_hunger_threshold"]
222 for id in [id for id in world_db["Things"] if world_db["Things"][id] != t
223 if not world_db["Things"][id]["carried"]
224 if world_db["Things"][id]["pos"] == t["pos"]
225 if world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]]
226 ["TT_TOOL"] == "food"
227 if world_db["ThingTypes"][world_db["Things"][id]["T_TYPE"]]
228 ["TT_TOOLPOWER"] > eat_cost]:
233 def get_inventory_slot_to_consume(t):
234 """Return invent. slot of healthiest consumable(if any healthy),else -1."""
238 tt = world_db["ThingTypes"][t["T_TYPE"]]
239 eat_cost = tt["eat_vs_hunger_threshold"]
240 for id in t["T_CARRIES"]:
241 type = world_db["Things"][id]["T_TYPE"]
242 if world_db["ThingTypes"][type]["TT_TOOL"] == "food" \
243 and world_db["ThingTypes"][type]["TT_TOOLPOWER"]:
244 nutvalue = world_db["ThingTypes"][type]["TT_TOOLPOWER"]
245 tmp_cmp = abs(t["T_SATIATION"] + nutvalue - eat_cost)
246 if (cmp_food < 0 and tmp_cmp < abs(t["T_SATIATION"])) \
247 or tmp_cmp < cmp_food:
255 """Determine next command/argment for actor t via AI algorithms."""
256 t["T_COMMAND"] = [id for id in world_db["ThingActions"]
257 if world_db["ThingActions"][id]["TA_NAME"] == "wait"][0]
258 eating = len([id for id in world_db["ThingActions"]
259 if world_db["ThingActions"][id]["TA_NAME"] == "use"]) > 0
260 picking = len([id for id in world_db["ThingActions"]
261 if world_db["ThingActions"][id]["TA_NAME"] == "pickup"]) > 0
262 if eating and picking:
263 if get_dir_to_target(t, "f"):
265 sel = get_inventory_slot_to_consume(t)
266 from server.config.ai import ai_hook_pickup_test
268 t["T_COMMAND"] = [id for id in world_db["ThingActions"]
269 if world_db["ThingActions"][id]["TA_NAME"]
271 t["T_ARGUMENT"] = sel
272 elif standing_on_food(t) and ai_hook_pickup_test(t):
273 t["T_COMMAND"] = [id for id in world_db["ThingActions"]
274 if world_db["ThingActions"][id]["TA_NAME"]
277 going_to_known_food_spot = get_dir_to_target(t, "c")
278 if not going_to_known_food_spot:
279 aiming_for_walking_food = get_dir_to_target(t, "a")
280 if not aiming_for_walking_food:
281 get_dir_to_target(t, "s")