| 1 | /* |
1 | /* |
| 2 | * CrossFire, A Multiplayer game for X-windows |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
| 3 | * |
3 | * |
| 4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 | * Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
| 6 | * Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
| 7 | * |
7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
| 9 | * it under the terms of the GNU General Public License as published by |
9 | * the terms of the Affero GNU General Public License as published by the |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
| 11 | * (at your option) any later version. |
11 | * option) any later version. |
| 12 | * |
12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
| 17 | * |
17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the Affero GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
19 | * and the GNU General Public License along with this program. If not, see |
| 20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * <http://www.gnu.org/licenses/>. |
| 21 | * |
21 | * |
| 22 | * The authors can be reached via e-mail at <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
| 23 | */ |
23 | */ |
| 24 | |
24 | |
| 25 | /* |
25 | /* |
| 26 | * General convenience functions for crossfire. |
26 | * General convenience functions for crossfire. |
| 27 | */ |
27 | */ |
| … | |
… | |
| 32 | #include <sys/time.h> |
32 | #include <sys/time.h> |
| 33 | #include <time.h> |
33 | #include <time.h> |
| 34 | #include <signal.h> |
34 | #include <signal.h> |
| 35 | |
35 | |
| 36 | #include <global.h> |
36 | #include <global.h> |
| 37 | #include <funcpoint.h> |
|
|
| 38 | #include <material.h> |
37 | #include <material.h> |
|
|
38 | #include <object.h> |
|
|
39 | |
|
|
40 | #include <sys/time.h> |
|
|
41 | #include <sys/resource.h> |
| 39 | |
42 | |
| 40 | #include <glib.h> |
43 | #include <glib.h> |
| 41 | |
44 | |
| 42 | rand_gen rndm; |
45 | refcnt_base::refcnt_t refcnt_dummy; |
|
|
46 | ssize_t slice_alloc; |
|
|
47 | rand_gen rndm, rmg_rndm; |
| 43 | |
48 | |
| 44 | void |
49 | void |
| 45 | tausworthe_random_generator::seed (uint32_t seed) |
50 | tausworthe_random_generator::seed (uint32_t seed) |
| 46 | { |
51 | { |
| 47 | state [0] = max ( 2, seed * 69069U); |
52 | state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; |
| 48 | state [1] = max ( 8, state [0] * 69069U); |
53 | state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; |
| 49 | state [2] = max ( 16, state [1] * 69069U); |
54 | state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; |
| 50 | state [3] = max (128, state [2] * 69069U); |
55 | state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U; |
| 51 | |
56 | |
| 52 | for (int i = 11; --i; ) |
57 | for (int i = 11; --i; ) |
| 53 | operator ()(); |
58 | next (); |
| 54 | } |
59 | } |
| 55 | |
60 | |
| 56 | uint32_t |
61 | uint32_t |
| 57 | tausworthe_random_generator::next () |
62 | tausworthe_random_generator::next () |
| 58 | { |
63 | { |
| … | |
… | |
| 62 | state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); |
67 | state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); |
| 63 | |
68 | |
| 64 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
69 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
| 65 | } |
70 | } |
| 66 | |
71 | |
|
|
72 | template<class generator> |
| 67 | uint32_t |
73 | uint32_t |
| 68 | tausworthe_random_generator::get_range (uint32_t r_max) |
74 | random_number_generator<generator>::get_range (uint32_t num) |
| 69 | { |
75 | { |
| 70 | return next () % r_max; |
76 | return (this->next () * (uint64_t)num) >> 32U; |
| 71 | } |
77 | } |
| 72 | |
78 | |
| 73 | // return a number within (min .. max) |
79 | // return a number within (min .. max) |
|
|
80 | template<class generator> |
| 74 | int |
81 | int |
| 75 | tausworthe_random_generator::get_range (int r_min, int r_max) |
82 | random_number_generator<generator>::get_range (int r_min, int r_max) |
| 76 | { |
83 | { |
| 77 | return r_min + (*this) (max (r_max - r_min + 1, 1)); |
84 | return r_min + get_range (max (r_max - r_min + 1, 0)); |
| 78 | } |
85 | } |
|
|
86 | |
|
|
87 | template struct random_number_generator<tausworthe_random_generator>; |
|
|
88 | template struct random_number_generator<xorshift_random_generator>; |
| 79 | |
89 | |
| 80 | /* |
90 | /* |
| 81 | * The random functions here take luck into account when rolling random |
91 | * The random functions here take luck into account when rolling random |
| 82 | * dice or numbers. This function has less of an impact the larger the |
92 | * dice or numbers. This function has less of an impact the larger the |
| 83 | * difference becomes in the random numbers. IE, the effect is lessened |
93 | * difference becomes in the random numbers. IE, the effect is lessened |
| … | |
… | |
| 93 | * not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
103 | * not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
| 94 | */ |
104 | */ |
| 95 | int |
105 | int |
| 96 | random_roll (int r_min, int r_max, const object *op, int goodbad) |
106 | random_roll (int r_min, int r_max, const object *op, int goodbad) |
| 97 | { |
107 | { |
|
|
108 | r_max = max (r_min, r_max); |
|
|
109 | |
| 98 | int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ |
110 | int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ |
| 99 | |
|
|
| 100 | if (r_max < 1 || r_max < r_min) |
|
|
| 101 | { |
|
|
| 102 | LOG (llevError, "Calling random_roll with min=%d max=%d\n", r_min, r_max); |
|
|
| 103 | return r_min; |
|
|
| 104 | } |
|
|
| 105 | |
111 | |
| 106 | if (op->type == PLAYER) |
112 | if (op->type == PLAYER) |
| 107 | { |
113 | { |
| 108 | int luck = op->stats.luck; |
114 | int luck = op->stats.luck; |
| 109 | |
115 | |
| … | |
… | |
| 118 | |
124 | |
| 119 | /* |
125 | /* |
| 120 | * This is a 64 bit version of random_roll above. This is needed |
126 | * This is a 64 bit version of random_roll above. This is needed |
| 121 | * for exp loss calculations for players changing religions. |
127 | * for exp loss calculations for players changing religions. |
| 122 | */ |
128 | */ |
| 123 | |
|
|
| 124 | sint64 |
129 | sint64 |
| 125 | random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) |
130 | random_roll64 (sint64 r_min, sint64 r_max, const object *op, int goodbad) |
| 126 | { |
131 | { |
| 127 | sint64 omin, diff, luck, ran; |
132 | sint64 omin = r_min; |
| 128 | int base; |
133 | sint64 range = max (0, r_max - r_min + 1); |
|
|
134 | int base = range > 2 ? 20 : 50; /* d2 and d3 are corner cases */ |
| 129 | |
135 | |
| 130 | omin = min; |
136 | /* |
| 131 | diff = max - min + 1; |
|
|
| 132 | ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
|
|
| 133 | |
|
|
| 134 | if (max < 1 || diff < 1) |
|
|
| 135 | { |
|
|
| 136 | LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max); |
|
|
| 137 | return (min); /* avoids a float exception */ |
|
|
| 138 | } |
|
|
| 139 | |
|
|
| 140 | /* Don't know of a portable call to get 64 bit random values. |
|
|
| 141 | * So make a call to get two 32 bit random numbers, and just to |
137 | * Make a call to get two 32 bit unsigned random numbers, and just to |
| 142 | * a little byteshifting. Do make sure the first one is only |
138 | * a little bitshifting. |
| 143 | * 32 bit, so we don't get skewed results |
|
|
| 144 | */ |
139 | */ |
| 145 | ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32); |
140 | sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31); |
| 146 | |
141 | |
| 147 | if (op->type != PLAYER) |
142 | if (op->type != PLAYER) |
| 148 | return ((ran % diff) + min); |
143 | return ((ran % range) + r_min); |
| 149 | |
144 | |
| 150 | luck = op->stats.luck; |
145 | int luck = op->stats.luck; |
|
|
146 | |
| 151 | if (RANDOM () % base < MIN (10, abs (luck))) |
147 | if (rndm (base) < min (10, abs (luck))) |
| 152 | { |
148 | { |
| 153 | /* we have a winner */ |
149 | /* we have a winner */ |
| 154 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
150 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
| 155 | diff -= luck; |
151 | range -= luck; |
| 156 | if (diff < 1) |
152 | if (range < 1) |
| 157 | return (omin); /*check again */ |
153 | return (omin); /*check again */ |
|
|
154 | |
| 158 | ((goodbad) ? (min += luck) : (diff)); |
155 | ((goodbad) ? (r_min += luck) : (range)); |
| 159 | |
156 | |
| 160 | return (MAX (omin, MIN (max, (ran % diff) + min))); |
157 | return (max (omin, min (r_max, (ran % range) + r_min))); |
| 161 | } |
158 | } |
| 162 | return ((ran % diff) + min); |
159 | |
|
|
160 | return ran % range + r_min; |
| 163 | } |
161 | } |
| 164 | |
162 | |
| 165 | /* |
163 | /* |
| 166 | * Roll a number of dice (2d3, 4d6). Uses op to determine luck, |
164 | * Roll a number of dice (2d3, 4d6). Uses op to determine luck, |
| 167 | * If goodbad is non-zero, luck increases the roll, if zero, it decreases. |
165 | * If goodbad is non-zero, luck increases the roll, if zero, it decreases. |
| 168 | * Generally, op should be the player/caster/hitter requesting the roll, |
166 | * Generally, op should be the player/caster/hitter requesting the roll, |
| 169 | * not the recipient (ie, the poor slob getting hit). |
167 | * not the recipient (ie, the poor slob getting hit). |
| 170 | * The args are num D size (ie 4d6) [garbled 20010916] |
168 | * The args are num D size (ie 4d6) [garbled 20010916] |
| 171 | */ |
169 | */ |
| 172 | |
|
|
| 173 | int |
170 | int |
| 174 | die_roll (int num, int size, const object *op, int goodbad) |
171 | die_roll (int num, int size, const object *op, int goodbad) |
| 175 | { |
172 | { |
| 176 | int min, diff, luck, total, i, gotlucky, base, ran; |
173 | int min, luck, total, i, gotlucky; |
| 177 | |
174 | |
| 178 | diff = size; |
175 | int diff = size; |
| 179 | min = 1; |
176 | min = 1; |
| 180 | luck = total = gotlucky = 0; |
177 | luck = total = gotlucky = 0; |
| 181 | ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
178 | int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */ |
|
|
179 | |
| 182 | if (size < 2 || diff < 1) |
180 | if (size < 2 || diff < 1) |
| 183 | { |
181 | { |
| 184 | LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); |
182 | LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); |
| 185 | return (num); /* avoids a float exception */ |
183 | return num; /* avoids a float exception */ |
| 186 | } |
184 | } |
| 187 | |
185 | |
| 188 | if (op->type == PLAYER) |
186 | if (op->type == PLAYER) |
| 189 | luck = op->stats.luck; |
187 | luck = op->stats.luck; |
| 190 | |
188 | |
| 191 | for (i = 0; i < num; i++) |
189 | for (i = 0; i < num; i++) |
| 192 | { |
190 | { |
| 193 | if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) |
191 | if (rndm (base) < MIN (10, abs (luck)) && !gotlucky) |
| 194 | { |
192 | { |
| 195 | /* we have a winner */ |
193 | /* we have a winner */ |
| 196 | gotlucky++; |
194 | gotlucky++; |
| 197 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
195 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
| 198 | diff -= luck; |
196 | diff -= luck; |
| 199 | if (diff < 1) |
197 | if (diff < 1) |
| 200 | return (num); /*check again */ |
198 | return (num); /*check again */ |
| 201 | ((goodbad) ? (min += luck) : (diff)); |
199 | ((goodbad) ? (min += luck) : (diff)); |
| 202 | ran = RANDOM (); |
|
|
| 203 | total += MAX (1, MIN (size, (ran % diff) + min)); |
200 | total += MAX (1, MIN (size, rndm (diff) + min)); |
| 204 | } |
201 | } |
| 205 | else |
202 | else |
| 206 | { |
|
|
| 207 | total += RANDOM () % size + 1; |
203 | total += rndm (size) + 1; |
| 208 | } |
|
|
| 209 | } |
204 | } |
|
|
205 | |
| 210 | return (total); |
206 | return total; |
| 211 | } |
|
|
| 212 | |
|
|
| 213 | /* decay and destroy perishable items in a map */ |
|
|
| 214 | void |
|
|
| 215 | maptile::decay_objects () |
|
|
| 216 | { |
|
|
| 217 | if (!spaces) |
|
|
| 218 | return; |
|
|
| 219 | |
|
|
| 220 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
|
|
| 221 | for (object *above, *op = ms->bot; op; op = above) |
|
|
| 222 | { |
|
|
| 223 | above = op->above; |
|
|
| 224 | |
|
|
| 225 | bool destroy = 0; |
|
|
| 226 | |
|
|
| 227 | // do not decay anything above unique floor tiles (yet :) |
|
|
| 228 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
|
|
| 229 | break; |
|
|
| 230 | |
|
|
| 231 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) |
|
|
| 232 | || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) |
|
|
| 233 | || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) |
|
|
| 234 | || QUERY_FLAG (op, FLAG_UNIQUE) |
|
|
| 235 | || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) |
|
|
| 236 | || QUERY_FLAG (op, FLAG_UNPAID) |
|
|
| 237 | || op->is_alive ()) |
|
|
| 238 | ; // do not decay |
|
|
| 239 | else if (op->is_weapon ()) |
|
|
| 240 | { |
|
|
| 241 | op->stats.dam--; |
|
|
| 242 | if (op->stats.dam < 0) |
|
|
| 243 | destroy = 1; |
|
|
| 244 | } |
|
|
| 245 | else if (op->is_armor ()) |
|
|
| 246 | { |
|
|
| 247 | op->stats.ac--; |
|
|
| 248 | if (op->stats.ac < 0) |
|
|
| 249 | destroy = 1; |
|
|
| 250 | } |
|
|
| 251 | else if (op->type == FOOD) |
|
|
| 252 | { |
|
|
| 253 | op->stats.food -= rndm (5, 20); |
|
|
| 254 | if (op->stats.food < 0) |
|
|
| 255 | destroy = 1; |
|
|
| 256 | } |
|
|
| 257 | else |
|
|
| 258 | { |
|
|
| 259 | int mat = op->material; |
|
|
| 260 | |
|
|
| 261 | if (mat & M_PAPER |
|
|
| 262 | || mat & M_LEATHER |
|
|
| 263 | || mat & M_WOOD |
|
|
| 264 | || mat & M_ORGANIC |
|
|
| 265 | || mat & M_CLOTH |
|
|
| 266 | || mat & M_LIQUID |
|
|
| 267 | || (mat & M_IRON && rndm (1, 5) == 1) |
|
|
| 268 | || (mat & M_GLASS && rndm (1, 2) == 1) |
|
|
| 269 | || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1) |
|
|
| 270 | || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1) |
|
|
| 271 | || (mat & M_ICE && temp > 32)) |
|
|
| 272 | destroy = 1; |
|
|
| 273 | } |
|
|
| 274 | |
|
|
| 275 | /* adjust overall chance below */ |
|
|
| 276 | if (destroy && rndm (0, 1)) |
|
|
| 277 | op->destroy (); |
|
|
| 278 | } |
|
|
| 279 | } |
207 | } |
| 280 | |
208 | |
| 281 | /* convert materialname to materialtype_t */ |
209 | /* convert materialname to materialtype_t */ |
| 282 | |
210 | |
| 283 | materialtype_t * |
211 | materialtype_t * |
| 284 | name_to_material (const char *name) |
212 | name_to_material (const shstr_cmp name) |
| 285 | { |
213 | { |
| 286 | materialtype_t *mt, *nmt; |
214 | for (materialtype_t *mt = materialt; mt; mt = mt->next) |
|
|
215 | if (name == mt->name) |
|
|
216 | return mt; |
| 287 | |
217 | |
| 288 | mt = NULL; |
|
|
| 289 | for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next) |
|
|
| 290 | { |
|
|
| 291 | if (strcmp (name, nmt->name) == 0) |
|
|
| 292 | { |
|
|
| 293 | mt = nmt; |
|
|
| 294 | break; |
|
|
| 295 | } |
|
|
| 296 | } |
|
|
| 297 | return mt; |
218 | return 0; |
| 298 | } |
219 | } |
| 299 | |
220 | |
| 300 | /* when doing transmutation of objects, we have to recheck the resistances, |
221 | /* when doing transmutation of objects, we have to recheck the resistances, |
| 301 | * as some that did not apply previously, may apply now. |
222 | * as some that did not apply previously, may apply now. |
| 302 | */ |
223 | */ |
| 303 | |
|
|
| 304 | void |
224 | void |
| 305 | transmute_materialname (object *op, const object *change) |
225 | transmute_materialname (object *op, const object *change) |
| 306 | { |
226 | { |
| 307 | materialtype_t *mt; |
227 | materialtype_t *mt; |
| 308 | int j; |
228 | int j; |
| 309 | |
229 | |
| 310 | if (op->materialname == NULL) |
230 | if (!op->materialname) |
| 311 | return; |
231 | return; |
| 312 | |
232 | |
| 313 | if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
233 | if (op->materialname != change->materialname) |
| 314 | return; |
234 | return; |
| 315 | |
235 | |
| 316 | if (!op->is_armor ()) |
236 | if (!op->is_armor ()) |
| 317 | return; |
237 | return; |
| 318 | |
238 | |
| 319 | mt = name_to_material (op->materialname); |
239 | mt = name_to_material (op->materialname); |
| 320 | if (!mt) |
240 | if (!mt) |
| 321 | { |
241 | { |
| 322 | LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); |
242 | LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname); |
| 323 | return; |
243 | return; |
| 324 | } |
244 | } |
| 325 | |
245 | |
| 326 | for (j = 0; j < NROFATTACKS; j++) |
246 | for (j = 0; j < NROFATTACKS; j++) |
| 327 | if (op->resist[j] == 0 && change->resist[j] != 0) |
247 | if (op->resist[j] == 0 && change->resist[j] != 0) |
| … | |
… | |
| 338 | void |
258 | void |
| 339 | set_materialname (object *op, int difficulty, materialtype_t *nmt) |
259 | set_materialname (object *op, int difficulty, materialtype_t *nmt) |
| 340 | { |
260 | { |
| 341 | materialtype_t *mt, *lmt; |
261 | materialtype_t *mt, *lmt; |
| 342 | |
262 | |
| 343 | #ifdef NEW_MATERIAL_CODE |
|
|
| 344 | int j; |
|
|
| 345 | #endif |
|
|
| 346 | |
|
|
| 347 | if (op->materialname != NULL) |
263 | if (!op->materialname) |
| 348 | return; |
264 | return; |
| 349 | |
265 | |
| 350 | |
266 | if (nmt) |
| 351 | |
267 | lmt = nmt; |
| 352 | if (nmt == NULL) |
268 | else |
| 353 | { |
269 | { |
| 354 | lmt = NULL; |
270 | lmt = 0; |
| 355 | #ifndef NEW_MATERIAL_CODE |
271 | |
| 356 | for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
272 | for (mt = materialt; mt; mt = mt->next) |
| 357 | { |
273 | if (op->materials & mt->material && rndm (1, 100) <= mt->chance && |
| 358 | if (op->material & mt->material) |
274 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
| 359 | { |
275 | { |
| 360 | lmt = mt; |
276 | lmt = mt; |
|
|
277 | if (!(op->is_weapon () || op->is_armor ())) |
| 361 | break; |
278 | break; |
| 362 | } |
279 | } |
| 363 | } |
|
|
| 364 | |
|
|
| 365 | #else |
|
|
| 366 | for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
|
|
| 367 | { |
|
|
| 368 | if (op->material & mt->material && rndm (1, 100) <= mt->chance && |
|
|
| 369 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
|
|
| 370 | { |
|
|
| 371 | lmt = mt; |
|
|
| 372 | if (!(op->is_weapon () || op->is_armor ())) |
|
|
| 373 | break; |
|
|
| 374 | } |
|
|
| 375 | } |
|
|
| 376 | #endif |
|
|
| 377 | } |
|
|
| 378 | else |
|
|
| 379 | { |
280 | } |
| 380 | lmt = nmt; |
281 | |
|
|
282 | if (lmt) |
| 381 | } |
283 | { |
| 382 | |
|
|
| 383 | if (lmt != NULL) |
|
|
| 384 | { |
|
|
| 385 | #ifndef NEW_MATERIAL_CODE |
|
|
| 386 | op->materialname = lmt->name; |
|
|
| 387 | return; |
|
|
| 388 | #else |
|
|
| 389 | |
|
|
| 390 | if (op->stats.dam && op->is_weapon ()) |
284 | if (op->stats.dam && op->is_weapon ()) |
| 391 | { |
285 | { |
| 392 | op->stats.dam += lmt->damage; |
286 | op->stats.dam += lmt->damage; |
| 393 | if (op->stats.dam < 1) |
287 | if (op->stats.dam < 1) |
| 394 | op->stats.dam = 1; |
288 | op->stats.dam = 1; |
| 395 | } |
289 | } |
|
|
290 | |
| 396 | if (op->stats.sp && op->type == BOW) |
291 | if (op->stats.sp && op->type == BOW) |
| 397 | op->stats.sp += lmt->sp; |
292 | op->stats.sp += lmt->sp; |
| 398 | if (op->stats.wc && op->is_weapon ()) |
293 | if (op->stats.wc && op->is_weapon ()) |
| 399 | op->stats.wc += lmt->wc; |
294 | op->stats.wc += lmt->wc; |
| 400 | if (op->is_armor ()) |
295 | if (op->is_armor ()) |
| 401 | { |
296 | { |
| 402 | if (op->stats.ac) |
297 | if (op->stats.ac) |
| 403 | op->stats.ac += lmt->ac; |
298 | op->stats.ac += lmt->ac; |
|
|
299 | |
| 404 | for (j = 0; j < NROFATTACKS; j++) |
300 | for (int j = 0; j < NROFATTACKS; j++) |
| 405 | if (op->resist[j] != 0) |
301 | if (op->resist[j] != 0) |
| 406 | { |
302 | { |
| 407 | op->resist[j] += lmt->mod[j]; |
303 | op->resist[j] += lmt->mod[j]; |
| 408 | if (op->resist[j] > 100) |
304 | if (op->resist[j] > 100) |
| 409 | op->resist[j] = 100; |
305 | op->resist[j] = 100; |
| 410 | if (op->resist[j] < -100) |
306 | if (op->resist[j] < -100) |
| 411 | op->resist[j] = -100; |
307 | op->resist[j] = -100; |
| 412 | } |
308 | } |
| 413 | } |
309 | } |
|
|
310 | |
| 414 | op->materialname = add_string (lmt->name); |
311 | op->materialname = lmt->name; |
| 415 | /* dont make it unstackable if it doesn't need to be */ |
312 | /* dont make it unstackable if it doesn't need to be */ |
| 416 | if (op->is_weapon () || op->is_armor ()) |
313 | if (op->is_weapon () || op->is_armor ()) |
| 417 | { |
314 | { |
| 418 | op->weight = (op->weight * lmt->weight) / 100; |
315 | op->weight = (op->weight * lmt->weight) / 100; |
| 419 | op->value = (op->value * lmt->value) / 100; |
316 | op->value = (op->value * lmt->value) / 100; |
| 420 | } |
317 | } |
| 421 | #endif |
|
|
| 422 | } |
318 | } |
| 423 | } |
319 | } |
| 424 | |
320 | |
| 425 | /* |
321 | /* |
| 426 | * Strip out the media tags from a String. |
322 | * Strip out the media tags from a String. |
| … | |
… | |
| 521 | * a 'list' for the purposes here, is a string of items, seperated by commas, except |
417 | * a 'list' for the purposes here, is a string of items, seperated by commas, except |
| 522 | * for the last entry, which has an 'and' before it, and a full stop (period) after it. |
418 | * for the last entry, which has an 'and' before it, and a full stop (period) after it. |
| 523 | * This function will also strip all trailing non alphanumeric characters. |
419 | * This function will also strip all trailing non alphanumeric characters. |
| 524 | * It does not insert an oxford comma. |
420 | * It does not insert an oxford comma. |
| 525 | */ |
421 | */ |
| 526 | |
|
|
| 527 | void |
422 | void |
| 528 | make_list_like (char *input) |
423 | make_list_like (char *input) |
| 529 | { |
424 | { |
| 530 | char *p, tmp[MAX_BUF]; |
425 | char *p, tmp[MAX_BUF]; |
| 531 | int i; |
426 | int i; |
| … | |
… | |
| 554 | strcpy (input, tmp); |
449 | strcpy (input, tmp); |
| 555 | |
450 | |
| 556 | return; |
451 | return; |
| 557 | } |
452 | } |
| 558 | |
453 | |
|
|
454 | /******************************************************************************/ |
|
|
455 | |
|
|
456 | /* Checks a player-provided string which will become the msg property of |
|
|
457 | * an object for dangerous input. |
|
|
458 | */ |
|
|
459 | bool |
|
|
460 | msg_is_safe (const char *msg) |
|
|
461 | { |
|
|
462 | bool safe = true; |
|
|
463 | |
|
|
464 | /* Trying to cheat by getting data into the object */ |
|
|
465 | if (!strncmp (msg, "endmsg", sizeof ("endmsg") - 1) |
|
|
466 | || strstr (msg, "\nendmsg")) |
|
|
467 | safe = false; |
|
|
468 | |
|
|
469 | /* Trying to make the object talk, and potentially access arbitrary code */ |
|
|
470 | if (object::msg_has_dialogue (msg)) |
|
|
471 | safe = false; |
|
|
472 | |
|
|
473 | return safe; |
|
|
474 | } |
|
|
475 | |
| 559 | ///////////////////////////////////////////////////////////////////////////// |
476 | ///////////////////////////////////////////////////////////////////////////// |
| 560 | |
477 | |
| 561 | void |
478 | void |
| 562 | fork_abort (const char *msg) |
479 | fork_abort (const char *msg) |
| 563 | { |
480 | { |
| 564 | if (!fork ()) |
481 | if (!fork ()) |
| 565 | { |
482 | { |
|
|
483 | signal (SIGINT , SIG_IGN); |
|
|
484 | signal (SIGTERM, SIG_IGN); |
| 566 | signal (SIGABRT, SIG_DFL); |
485 | signal (SIGABRT, SIG_IGN); |
|
|
486 | |
|
|
487 | signal (SIGSEGV, SIG_DFL); |
|
|
488 | signal (SIGBUS , SIG_DFL); |
|
|
489 | signal (SIGILL , SIG_DFL); |
|
|
490 | signal (SIGTRAP, SIG_DFL); |
|
|
491 | |
|
|
492 | // try to put corefiles into a subdirectory, if existing, to allow |
|
|
493 | // an administrator to reduce the I/O load. |
|
|
494 | chdir ("cores"); |
|
|
495 | |
|
|
496 | // try to detach us from as many external dependencies as possible |
|
|
497 | // as coredumping can take time by closing all fd's. |
|
|
498 | { |
|
|
499 | struct rlimit lim; |
|
|
500 | |
|
|
501 | if (getrlimit (RLIMIT_NOFILE, &lim)) |
|
|
502 | lim.rlim_cur = 1024; |
|
|
503 | |
|
|
504 | for (int i = 0; i < lim.rlim_cur; ++i) |
|
|
505 | close (i); |
|
|
506 | } |
|
|
507 | |
|
|
508 | { |
|
|
509 | sigset_t empty; |
|
|
510 | sigemptyset (&empty); |
|
|
511 | sigprocmask (SIG_SETMASK, &empty, 0); |
|
|
512 | } |
|
|
513 | |
|
|
514 | // try to coredump with SIGTRAP |
|
|
515 | kill (getpid (), SIGTRAP); |
| 567 | abort (); |
516 | abort (); |
| 568 | } |
517 | } |
| 569 | |
518 | |
| 570 | LOG (llevError, "fork abort: %s\n", msg); |
519 | LOG (llevError, "fork abort: %s\n", msg); |
| 571 | } |
520 | } |
| … | |
… | |
| 575 | void *ptr = g_slice_alloc (n); |
524 | void *ptr = g_slice_alloc (n); |
| 576 | |
525 | |
| 577 | if (!ptr) |
526 | if (!ptr) |
| 578 | throw std::bad_alloc (); |
527 | throw std::bad_alloc (); |
| 579 | |
528 | |
|
|
529 | slice_alloc += n; |
| 580 | return ptr; |
530 | return ptr; |
| 581 | } |
531 | } |
| 582 | |
532 | |
| 583 | void *salloc_ (int n, void *src) throw (std::bad_alloc) |
533 | void *salloc_ (int n, void *src) throw (std::bad_alloc) |
| 584 | { |
534 | { |
| … | |
… | |
| 590 | memset (ptr, 0, n); |
540 | memset (ptr, 0, n); |
| 591 | |
541 | |
| 592 | return ptr; |
542 | return ptr; |
| 593 | } |
543 | } |
| 594 | |
544 | |
|
|
545 | /******************************************************************************/ |
|
|
546 | |
|
|
547 | #if DEBUG_SALLOC |
|
|
548 | |
|
|
549 | #define MAGIC 0xa1b2c35543deadLL |
|
|
550 | |
|
|
551 | void *g_slice_alloc (unsigned long size) |
|
|
552 | { |
|
|
553 | unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long)); |
|
|
554 | *p++ = size ^ MAGIC; |
|
|
555 | //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D |
|
|
556 | return (void *)p; |
|
|
557 | } |
|
|
558 | |
|
|
559 | void *g_slice_alloc0 (unsigned long size) |
|
|
560 | { |
|
|
561 | return memset (g_slice_alloc (size), 0, size); |
|
|
562 | } |
|
|
563 | |
|
|
564 | void g_slice_free1 (unsigned long size, void *ptr) |
|
|
565 | { |
|
|
566 | //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D |
|
|
567 | if (expect_true (ptr)) |
|
|
568 | { |
|
|
569 | unsigned long *p = (unsigned long *)ptr; |
|
|
570 | unsigned long s = *--p ^ MAGIC; |
|
|
571 | |
|
|
572 | if (size != (unsigned long)(*p ^ MAGIC)) |
|
|
573 | { |
|
|
574 | LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s); |
|
|
575 | abort (); |
|
|
576 | } |
|
|
577 | |
|
|
578 | *p = MAGIC; |
|
|
579 | |
|
|
580 | (g_slice_free1)(s + sizeof (unsigned long), p); |
|
|
581 | } |
|
|
582 | } |
|
|
583 | |
|
|
584 | #endif |
|
|
585 | |
|
|
586 | /******************************************************************************/ |
|
|
587 | |
|
|
588 | int |
| 595 | void assign (char *dst, const char *src, int maxlen) |
589 | assign (char *dst, const char *src, int maxsize) |
| 596 | { |
590 | { |
| 597 | if (!src) |
591 | if (!src) |
| 598 | src = ""; |
592 | src = ""; |
| 599 | |
593 | |
| 600 | int len = strlen (src); |
594 | int len = strlen (src); |
| 601 | |
595 | |
| 602 | if (len >= maxlen - 1) |
596 | if (len >= maxsize) |
| 603 | { |
597 | { |
| 604 | if (maxlen <= 4) |
598 | if (maxsize <= 4) |
| 605 | { |
599 | { |
| 606 | memset (dst, '.', maxlen - 1); |
600 | memset (dst, '.', maxsize - 2); |
| 607 | dst [maxlen - 1] = 0; |
601 | dst [maxsize - 1] = 0; |
| 608 | } |
602 | } |
| 609 | else |
603 | else |
| 610 | { |
604 | { |
| 611 | memcpy (dst, src, maxlen - 4); |
605 | memcpy (dst, src, maxsize - 4); |
| 612 | memcpy (dst + maxlen - 4, "...", 4); |
606 | memcpy (dst + maxsize - 4, "...", 4); |
| 613 | } |
607 | } |
|
|
608 | |
|
|
609 | len = maxsize; |
| 614 | } |
610 | } |
| 615 | else |
611 | else |
| 616 | memcpy (dst, src, len + 1); |
612 | memcpy (dst, src, ++len); |
|
|
613 | |
|
|
614 | return len; |
|
|
615 | } |
|
|
616 | |
|
|
617 | char * |
|
|
618 | vformat (const char *format, va_list ap) |
|
|
619 | { |
|
|
620 | static dynbuf_text buf; buf.clear (); |
|
|
621 | buf.vprintf (format, ap); |
|
|
622 | return buf; |
|
|
623 | } |
|
|
624 | |
|
|
625 | char * |
|
|
626 | format (const char *format, ...) |
|
|
627 | { |
|
|
628 | va_list ap; |
|
|
629 | va_start (ap, format); |
|
|
630 | char *buf = vformat (format, ap); |
|
|
631 | va_end (ap); |
|
|
632 | |
|
|
633 | return buf; |
| 617 | } |
634 | } |
| 618 | |
635 | |
| 619 | tstamp now () |
636 | tstamp now () |
| 620 | { |
637 | { |
| 621 | struct timeval tv; |
638 | struct timeval tv; |
| … | |
… | |
| 632 | |
649 | |
| 633 | int diff = (b - a) & 7; |
650 | int diff = (b - a) & 7; |
| 634 | return diff <= 1 || diff >= 7; |
651 | return diff <= 1 || diff >= 7; |
| 635 | } |
652 | } |
| 636 | |
653 | |
|
|
654 | /* crc32 0xdebb20e3 table and supplementary functions. */ |
|
|
655 | extern const uint32_t crc_32_tab[256] = |
|
|
656 | { |
|
|
657 | 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL, |
|
|
658 | 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL, |
|
|
659 | 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL, |
|
|
660 | 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL, |
|
|
661 | 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL, |
|
|
662 | 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL, |
|
|
663 | 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL, |
|
|
664 | 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL, |
|
|
665 | 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL, |
|
|
666 | 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL, |
|
|
667 | 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL, |
|
|
668 | 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL, |
|
|
669 | 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL, |
|
|
670 | 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL, |
|
|
671 | 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL, |
|
|
672 | 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL, |
|
|
673 | 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL, |
|
|
674 | 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL, |
|
|
675 | 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL, |
|
|
676 | 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL, |
|
|
677 | 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL, |
|
|
678 | 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL, |
|
|
679 | 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL, |
|
|
680 | 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL, |
|
|
681 | 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL, |
|
|
682 | 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL, |
|
|
683 | 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL, |
|
|
684 | 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL, |
|
|
685 | 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL, |
|
|
686 | 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL, |
|
|
687 | 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL, |
|
|
688 | 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL, |
|
|
689 | 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL, |
|
|
690 | 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL, |
|
|
691 | 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL, |
|
|
692 | 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL, |
|
|
693 | 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL, |
|
|
694 | 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL, |
|
|
695 | 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL, |
|
|
696 | 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL, |
|
|
697 | 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL, |
|
|
698 | 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL, |
|
|
699 | 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL, |
|
|
700 | 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL, |
|
|
701 | 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL, |
|
|
702 | 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL, |
|
|
703 | 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL, |
|
|
704 | 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL, |
|
|
705 | 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL, |
|
|
706 | 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
|
|
707 | 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
|
|
708 | 0x2d02ef8dL |
|
|
709 | }; |
|
|
710 | |
|
|
711 | void thread::start (void *(*start_routine)(void *), void *arg) |
|
|
712 | { |
|
|
713 | pthread_attr_t attr; |
|
|
714 | |
|
|
715 | pthread_attr_init (&attr); |
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|
716 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
717 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096 |
|
|
718 | ? sizeof (long) * 4096 : PTHREAD_STACK_MIN); |
|
|
719 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
720 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
721 | #endif |
|
|
722 | |
|
|
723 | sigset_t fullsigset, oldsigset; |
|
|
724 | sigfillset (&fullsigset); |
|
|
725 | |
|
|
726 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
727 | |
|
|
728 | if (pthread_create (&id, &attr, start_routine, arg)) |
|
|
729 | cleanup ("unable to create a new thread"); |
|
|
730 | |
|
|
731 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
|
|
732 | } |
|
|
733 | |
