1 | /* |
1 | /* |
2 | CrossFire, A Multiplayer game for X-windows |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | |
3 | * |
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4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
5 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
6 | |
7 | * |
7 | 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 |
8 | 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 |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
10 | (at your option) any later version. |
11 | * option) any later version. |
11 | |
12 | * |
12 | 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, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
16 | |
17 | * |
17 | 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 |
18 | 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 |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * <http://www.gnu.org/licenses/>. |
20 | |
21 | * |
21 | 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> |
22 | */ |
23 | */ |
23 | |
24 | |
24 | /* |
25 | /* |
25 | * General convenience functions for crossfire. |
26 | * General convenience functions for crossfire. |
26 | */ |
27 | */ |
27 | |
28 | |
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29 | #include <cstdlib> |
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30 | #include <sys/types.h> |
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31 | #include <unistd.h> |
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32 | #include <sys/time.h> |
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33 | #include <time.h> |
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34 | #include <signal.h> |
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35 | |
28 | #include <global.h> |
36 | #include <global.h> |
29 | #include <funcpoint.h> |
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30 | #include <material.h> |
37 | #include <material.h> |
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38 | #include <object.h> |
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39 | |
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40 | #include <sys/time.h> |
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41 | #include <sys/resource.h> |
31 | |
42 | |
32 | #include <glib.h> |
43 | #include <glib.h> |
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44 | |
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45 | refcnt_base::refcnt_t refcnt_dummy; |
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46 | ssize_t slice_alloc; |
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47 | rand_gen rndm, rmg_rndm; |
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48 | |
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49 | void |
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50 | tausworthe_random_generator::seed (uint32_t seed) |
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51 | { |
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52 | state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; |
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53 | state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; |
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54 | state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; |
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55 | state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U; |
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56 | |
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57 | for (int i = 11; --i; ) |
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58 | next (); |
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59 | } |
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60 | |
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61 | uint32_t |
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62 | tausworthe_random_generator::next () |
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63 | { |
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64 | state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U); |
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65 | state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U); |
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66 | state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U); |
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67 | state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); |
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68 | |
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69 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
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70 | } |
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71 | |
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72 | template<class generator> |
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73 | uint32_t |
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74 | random_number_generator<generator>::get_range (uint32_t num) |
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75 | { |
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76 | return (this->next () * (uint64_t)num) >> 32U; |
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77 | } |
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78 | |
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79 | // return a number within (min .. max) |
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80 | template<class generator> |
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81 | int |
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82 | random_number_generator<generator>::get_range (int r_min, int r_max) |
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83 | { |
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84 | return r_min + get_range (max (r_max - r_min + 1, 0)); |
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85 | } |
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86 | |
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87 | template struct random_number_generator<tausworthe_random_generator>; |
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88 | template struct random_number_generator<xorshift_random_generator>; |
33 | |
89 | |
34 | /* |
90 | /* |
35 | * The random functions here take luck into account when rolling random |
91 | * The random functions here take luck into account when rolling random |
36 | * 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 |
37 | * difference becomes in the random numbers. IE, the effect is lessened |
93 | * difference becomes in the random numbers. IE, the effect is lessened |
… | |
… | |
44 | * Roll a random number between min and max. Uses op to determine luck, |
100 | * Roll a random number between min and max. Uses op to determine luck, |
45 | * and if goodbad is non-zero, luck increases the roll, if zero, it decreases. |
101 | * and if goodbad is non-zero, luck increases the roll, if zero, it decreases. |
46 | * Generally, op should be the player/caster/hitter requesting the roll, |
102 | * Generally, op should be the player/caster/hitter requesting the roll, |
47 | * not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
103 | * not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
48 | */ |
104 | */ |
49 | |
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50 | int |
105 | int |
51 | random_roll (int min, int max, const object *op, int goodbad) |
106 | random_roll (int r_min, int r_max, const object *op, int goodbad) |
52 | { |
107 | { |
53 | int omin, diff, luck, base, ran; |
108 | r_max = max (r_min, r_max); |
54 | |
109 | |
55 | omin = min; |
110 | int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ |
56 | diff = max - min + 1; |
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57 | ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
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58 | |
111 | |
59 | if (max < 1 || diff < 1) |
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60 | { |
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61 | LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max); |
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62 | return (min); /* avoids a float exception */ |
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63 | } |
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64 | |
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65 | ran = RANDOM (); |
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66 | |
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67 | if (op->type != PLAYER) |
112 | if (op->type == PLAYER) |
68 | return ((ran % diff) + min); |
113 | { |
69 | |
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70 | luck = op->stats.luck; |
114 | int luck = op->stats.luck; |
71 | if (RANDOM () % base < MIN (10, abs (luck))) |
115 | |
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116 | if (rndm (base) < min (10, abs (luck))) |
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117 | { |
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118 | //TODO: take luck into account |
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119 | } |
72 | { |
120 | } |
73 | /* we have a winner */ |
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74 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
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75 | diff -= luck; |
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76 | if (diff < 1) |
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77 | return (omin); /*check again */ |
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78 | ((goodbad) ? (min += luck) : (diff)); |
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79 | |
121 | |
80 | return (MAX (omin, MIN (max, (ran % diff) + min))); |
122 | return rndm (r_min, r_max); |
81 | } |
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82 | return ((ran % diff) + min); |
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83 | } |
123 | } |
84 | |
124 | |
85 | /* |
125 | /* |
86 | * 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 |
87 | * for exp loss calculations for players changing religions. |
127 | * for exp loss calculations for players changing religions. |
88 | */ |
128 | */ |
89 | |
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90 | sint64 |
129 | sint64 |
91 | 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) |
92 | { |
131 | { |
93 | sint64 omin, diff, luck, ran; |
132 | sint64 omin = r_min; |
94 | int base; |
133 | sint64 range = max (0, r_max - r_min + 1); |
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134 | int base = range > 2 ? 20 : 50; /* d2 and d3 are corner cases */ |
95 | |
135 | |
96 | omin = min; |
136 | /* |
97 | diff = max - min + 1; |
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98 | ((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
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99 | |
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100 | if (max < 1 || diff < 1) |
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101 | { |
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102 | LOG (llevError, "Calling random_roll with min=%" I64_PFd " max=%" I64_PFd "\n", min, max); |
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103 | return (min); /* avoids a float exception */ |
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104 | } |
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105 | |
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106 | /* Don't know of a portable call to get 64 bit random values. |
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107 | * 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 |
108 | * a little byteshifting. Do make sure the first one is only |
138 | * a little bitshifting. |
109 | * 32 bit, so we don't get skewed results |
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110 | */ |
139 | */ |
111 | ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32); |
140 | sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31); |
112 | |
141 | |
113 | if (op->type != PLAYER) |
142 | if (op->type != PLAYER) |
114 | return ((ran % diff) + min); |
143 | return ((ran % range) + r_min); |
115 | |
144 | |
116 | luck = op->stats.luck; |
145 | int luck = op->stats.luck; |
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146 | |
117 | if (RANDOM () % base < MIN (10, abs (luck))) |
147 | if (rndm (base) < min (10, abs (luck))) |
118 | { |
148 | { |
119 | /* we have a winner */ |
149 | /* we have a winner */ |
120 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
150 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
121 | diff -= luck; |
151 | range -= luck; |
122 | if (diff < 1) |
152 | if (range < 1) |
123 | return (omin); /*check again */ |
153 | return (omin); /*check again */ |
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154 | |
124 | ((goodbad) ? (min += luck) : (diff)); |
155 | ((goodbad) ? (r_min += luck) : (range)); |
125 | |
156 | |
126 | return (MAX (omin, MIN (max, (ran % diff) + min))); |
157 | return (max (omin, min (r_max, (ran % range) + r_min))); |
127 | } |
158 | } |
128 | return ((ran % diff) + min); |
159 | |
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160 | return ran % range + r_min; |
129 | } |
161 | } |
130 | |
162 | |
131 | /* |
163 | /* |
132 | * 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, |
133 | * 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. |
134 | * Generally, op should be the player/caster/hitter requesting the roll, |
166 | * Generally, op should be the player/caster/hitter requesting the roll, |
135 | * not the recipient (ie, the poor slob getting hit). |
167 | * not the recipient (ie, the poor slob getting hit). |
136 | * The args are num D size (ie 4d6) [garbled 20010916] |
168 | * The args are num D size (ie 4d6) [garbled 20010916] |
137 | */ |
169 | */ |
138 | |
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139 | int |
170 | int |
140 | die_roll (int num, int size, const object *op, int goodbad) |
171 | die_roll (int num, int size, const object *op, int goodbad) |
141 | { |
172 | { |
142 | int min, diff, luck, total, i, gotlucky, base, ran; |
173 | int min, luck, total, i, gotlucky; |
143 | |
174 | |
144 | diff = size; |
175 | int diff = size; |
145 | min = 1; |
176 | min = 1; |
146 | luck = total = gotlucky = 0; |
177 | luck = total = gotlucky = 0; |
147 | ((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 */ |
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179 | |
148 | if (size < 2 || diff < 1) |
180 | if (size < 2 || diff < 1) |
149 | { |
181 | { |
150 | 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); |
151 | return (num); /* avoids a float exception */ |
183 | return num; /* avoids a float exception */ |
152 | } |
184 | } |
153 | |
185 | |
154 | if (op->type == PLAYER) |
186 | if (op->type == PLAYER) |
155 | luck = op->stats.luck; |
187 | luck = op->stats.luck; |
156 | |
188 | |
157 | for (i = 0; i < num; i++) |
189 | for (i = 0; i < num; i++) |
158 | { |
190 | { |
159 | if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) |
191 | if (rndm (base) < MIN (10, abs (luck)) && !gotlucky) |
160 | { |
192 | { |
161 | /* we have a winner */ |
193 | /* we have a winner */ |
162 | gotlucky++; |
194 | gotlucky++; |
163 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
195 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
164 | diff -= luck; |
196 | diff -= luck; |
165 | if (diff < 1) |
197 | if (diff < 1) |
166 | return (num); /*check again */ |
198 | return (num); /*check again */ |
167 | ((goodbad) ? (min += luck) : (diff)); |
199 | ((goodbad) ? (min += luck) : (diff)); |
168 | ran = RANDOM (); |
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169 | total += MAX (1, MIN (size, (ran % diff) + min)); |
200 | total += MAX (1, MIN (size, rndm (diff) + min)); |
170 | } |
201 | } |
171 | else |
202 | else |
172 | { |
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173 | total += RANDOM () % size + 1; |
203 | total += rndm (size) + 1; |
174 | } |
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175 | } |
204 | } |
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205 | |
176 | return (total); |
206 | return total; |
177 | } |
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178 | |
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179 | /* |
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180 | * Another convenience function. Returns a number between min and max. |
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181 | * It is suggested one use these functions rather than RANDOM()%, as it |
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182 | * would appear that a number of off-by-one-errors exist due to improper |
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183 | * use of %. This should also prevent SIGFPE. |
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184 | */ |
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185 | |
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186 | int |
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187 | rndm (int min, int max) |
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188 | { |
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189 | int diff; |
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190 | |
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191 | diff = max - min + 1; |
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192 | if (max < 1 || diff < 1) |
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193 | return (min); |
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194 | |
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195 | return (RANDOM () % diff + min); |
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196 | } |
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197 | |
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198 | /* decay and destroy persihable items in a map */ |
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199 | |
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200 | void |
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201 | decay_objects (maptile *m) |
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202 | { |
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203 | int x, y, destroy; |
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204 | object *op, *otmp; |
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205 | |
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206 | if (m->unique) |
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207 | return; |
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208 | |
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209 | for (x = 0; x < MAP_WIDTH (m); x++) |
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210 | for (y = 0; y < MAP_HEIGHT (m); y++) |
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211 | for (op = get_map_ob (m, x, y); op; op = otmp) |
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212 | { |
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213 | destroy = 0; |
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214 | otmp = op->above; |
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215 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
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216 | break; |
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217 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) || |
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218 | QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) || |
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219 | QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) || |
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220 | QUERY_FLAG (op, FLAG_UNIQUE) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) || QUERY_FLAG (op, FLAG_UNPAID) || IS_LIVE (op)) |
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221 | continue; |
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222 | /* otherwise, we decay and destroy */ |
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223 | if (IS_WEAPON (op)) |
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224 | { |
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225 | op->stats.dam--; |
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226 | if (op->stats.dam < 0) |
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227 | destroy = 1; |
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228 | } |
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229 | else if (IS_ARMOR (op)) |
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230 | { |
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231 | op->stats.ac--; |
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232 | if (op->stats.ac < 0) |
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233 | destroy = 1; |
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234 | } |
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235 | else if (op->type == FOOD) |
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236 | { |
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237 | op->stats.food -= rndm (5, 20); |
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238 | if (op->stats.food < 0) |
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239 | destroy = 1; |
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240 | } |
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241 | else |
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242 | { |
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243 | if (op->material & M_PAPER || op->material & M_LEATHER || |
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244 | op->material & M_WOOD || op->material & M_ORGANIC || op->material & M_CLOTH || op->material & M_LIQUID) |
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245 | destroy = 1; |
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246 | if (op->material & M_IRON && rndm (1, 5) == 1) |
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247 | destroy = 1; |
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248 | if (op->material & M_GLASS && rndm (1, 2) == 1) |
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249 | destroy = 1; |
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250 | if ((op->material & M_STONE || op->material & M_ADAMANT) && rndm (1, 10) == 1) |
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251 | destroy = 1; |
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252 | if ((op->material & M_SOFT_METAL || op->material & M_BONE) && rndm (1, 3) == 1) |
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253 | destroy = 1; |
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254 | if (op->material & M_ICE && MAP_TEMP (m) > 32) |
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255 | destroy = 1; |
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256 | } |
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257 | /* adjust overall chance below */ |
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258 | if (destroy && rndm (0, 1)) |
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259 | { |
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260 | remove_ob (op); |
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261 | free_object (op); |
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262 | } |
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263 | } |
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264 | } |
207 | } |
265 | |
208 | |
266 | /* convert materialname to materialtype_t */ |
209 | /* convert materialname to materialtype_t */ |
267 | |
210 | |
268 | materialtype_t * |
211 | materialtype_t * |
269 | name_to_material (const char *name) |
212 | name_to_material (const shstr_cmp name) |
270 | { |
213 | { |
271 | materialtype_t *mt, *nmt; |
214 | for (materialtype_t *mt = materialt; mt; mt = mt->next) |
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215 | if (name == mt->name) |
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216 | return mt; |
272 | |
217 | |
273 | mt = NULL; |
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274 | for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next) |
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275 | { |
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276 | if (strcmp (name, nmt->name) == 0) |
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277 | { |
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278 | mt = nmt; |
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279 | break; |
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280 | } |
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281 | } |
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282 | return mt; |
218 | return 0; |
283 | } |
219 | } |
284 | |
220 | |
285 | /* when doing transmutation of objects, we have to recheck the resistances, |
221 | /* when doing transmutation of objects, we have to recheck the resistances, |
286 | * as some that did not apply previously, may apply now. |
222 | * as some that did not apply previously, may apply now. |
287 | */ |
223 | */ |
288 | |
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289 | void |
224 | void |
290 | transmute_materialname (object *op, const object *change) |
225 | transmute_materialname (object *op, const object *change) |
291 | { |
226 | { |
292 | materialtype_t *mt; |
227 | materialtype_t *mt; |
293 | int j; |
228 | int j; |
294 | |
229 | |
295 | if (op->materialname == NULL) |
230 | if (!op->materialname) |
296 | return; |
231 | return; |
297 | |
232 | |
298 | if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
233 | if (op->materialname != change->materialname) |
299 | return; |
234 | return; |
300 | |
235 | |
301 | if (!IS_ARMOR (op)) |
236 | if (!op->is_armor ()) |
302 | return; |
237 | return; |
303 | |
238 | |
304 | mt = name_to_material (op->materialname); |
239 | mt = name_to_material (op->materialname); |
305 | if (!mt) |
240 | if (!mt) |
306 | { |
241 | { |
307 | 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); |
308 | return; |
243 | return; |
309 | } |
244 | } |
310 | |
245 | |
311 | for (j = 0; j < NROFATTACKS; j++) |
246 | for (j = 0; j < NROFATTACKS; j++) |
312 | if (op->resist[j] == 0 && change->resist[j] != 0) |
247 | if (op->resist[j] == 0 && change->resist[j] != 0) |
… | |
… | |
323 | void |
258 | void |
324 | set_materialname (object *op, int difficulty, materialtype_t *nmt) |
259 | set_materialname (object *op, int difficulty, materialtype_t *nmt) |
325 | { |
260 | { |
326 | materialtype_t *mt, *lmt; |
261 | materialtype_t *mt, *lmt; |
327 | |
262 | |
328 | #ifdef NEW_MATERIAL_CODE |
|
|
329 | int j; |
|
|
330 | #endif |
|
|
331 | |
|
|
332 | if (op->materialname != NULL) |
263 | if (!op->materialname) |
333 | return; |
264 | return; |
334 | |
265 | |
335 | |
266 | if (nmt) |
336 | |
267 | lmt = nmt; |
337 | if (nmt == NULL) |
268 | else |
338 | { |
269 | { |
339 | lmt = NULL; |
270 | lmt = 0; |
340 | #ifndef NEW_MATERIAL_CODE |
271 | |
341 | for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
272 | for (mt = materialt; mt; mt = mt->next) |
342 | { |
273 | if (op->materials & mt->material && rndm (1, 100) <= mt->chance && |
343 | if (op->material & mt->material) |
274 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
344 | { |
275 | { |
345 | lmt = mt; |
276 | lmt = mt; |
|
|
277 | if (!(op->is_weapon () || op->is_armor ())) |
346 | break; |
278 | break; |
347 | } |
279 | } |
348 | } |
|
|
349 | |
|
|
350 | #else |
|
|
351 | for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
|
|
352 | { |
|
|
353 | if (op->material & mt->material && rndm (1, 100) <= mt->chance && |
|
|
354 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
|
|
355 | { |
|
|
356 | lmt = mt; |
|
|
357 | if (!(IS_WEAPON (op) || IS_ARMOR (op))) |
|
|
358 | break; |
|
|
359 | } |
|
|
360 | } |
|
|
361 | #endif |
|
|
362 | } |
|
|
363 | else |
|
|
364 | { |
280 | } |
365 | lmt = nmt; |
281 | |
|
|
282 | if (lmt) |
366 | } |
283 | { |
367 | |
284 | if (op->stats.dam && op->is_weapon ()) |
368 | if (lmt != NULL) |
|
|
369 | { |
|
|
370 | #ifndef NEW_MATERIAL_CODE |
|
|
371 | op->materialname = lmt->name; |
|
|
372 | return; |
|
|
373 | #else |
|
|
374 | |
|
|
375 | if (op->stats.dam && IS_WEAPON (op)) |
|
|
376 | { |
285 | { |
377 | op->stats.dam += lmt->damage; |
286 | op->stats.dam += lmt->damage; |
378 | if (op->stats.dam < 1) |
287 | if (op->stats.dam < 1) |
379 | op->stats.dam = 1; |
288 | op->stats.dam = 1; |
380 | } |
289 | } |
|
|
290 | |
381 | if (op->stats.sp && op->type == BOW) |
291 | if (op->stats.sp && op->type == BOW) |
382 | op->stats.sp += lmt->sp; |
292 | op->stats.sp += lmt->sp; |
383 | if (op->stats.wc && IS_WEAPON (op)) |
293 | if (op->stats.wc && op->is_weapon ()) |
384 | op->stats.wc += lmt->wc; |
294 | op->stats.wc += lmt->wc; |
385 | if (IS_ARMOR (op)) |
295 | if (op->is_armor ()) |
386 | { |
296 | { |
387 | if (op->stats.ac) |
297 | if (op->stats.ac) |
388 | op->stats.ac += lmt->ac; |
298 | op->stats.ac += lmt->ac; |
|
|
299 | |
389 | for (j = 0; j < NROFATTACKS; j++) |
300 | for (int j = 0; j < NROFATTACKS; j++) |
390 | if (op->resist[j] != 0) |
301 | if (op->resist[j] != 0) |
391 | { |
302 | { |
392 | op->resist[j] += lmt->mod[j]; |
303 | op->resist[j] += lmt->mod[j]; |
393 | if (op->resist[j] > 100) |
304 | if (op->resist[j] > 100) |
394 | op->resist[j] = 100; |
305 | op->resist[j] = 100; |
395 | if (op->resist[j] < -100) |
306 | if (op->resist[j] < -100) |
396 | op->resist[j] = -100; |
307 | op->resist[j] = -100; |
397 | } |
308 | } |
398 | } |
309 | } |
|
|
310 | |
399 | op->materialname = add_string (lmt->name); |
311 | op->materialname = lmt->name; |
400 | /* dont make it unstackable if it doesn't need to be */ |
312 | /* dont make it unstackable if it doesn't need to be */ |
401 | if (IS_WEAPON (op) || IS_ARMOR (op)) |
313 | if (op->is_weapon () || op->is_armor ()) |
402 | { |
314 | { |
403 | op->weight = (op->weight * lmt->weight) / 100; |
315 | op->weight = (op->weight * lmt->weight) / 100; |
404 | op->value = (op->value * lmt->value) / 100; |
316 | op->value = (op->value * lmt->value) / 100; |
405 | } |
317 | } |
406 | #endif |
|
|
407 | } |
318 | } |
408 | } |
319 | } |
409 | |
320 | |
410 | /* |
321 | /* |
411 | * Strip out the media tags from a String. |
322 | * Strip out the media tags from a String. |
… | |
… | |
506 | * 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 |
507 | * 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. |
508 | * This function will also strip all trailing non alphanumeric characters. |
419 | * This function will also strip all trailing non alphanumeric characters. |
509 | * It does not insert an oxford comma. |
420 | * It does not insert an oxford comma. |
510 | */ |
421 | */ |
511 | |
|
|
512 | void |
422 | void |
513 | make_list_like (char *input) |
423 | make_list_like (char *input) |
514 | { |
424 | { |
515 | char *p, tmp[MAX_BUF]; |
425 | char *p, tmp[MAX_BUF]; |
516 | int i; |
426 | int i; |
… | |
… | |
539 | strcpy (input, tmp); |
449 | strcpy (input, tmp); |
540 | |
450 | |
541 | return; |
451 | return; |
542 | } |
452 | } |
543 | |
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 | |
544 | ///////////////////////////////////////////////////////////////////////////// |
476 | ///////////////////////////////////////////////////////////////////////////// |
545 | |
477 | |
546 | #if 0 |
478 | void |
547 | refcounted *refcounted::rc_first; |
479 | fork_abort (const char *msg) |
548 | |
|
|
549 | refcounted::refcounted () |
|
|
550 | { |
480 | { |
551 | refcnt = 0; |
481 | if (!fork ()) |
552 | rc_next = rc_first; |
482 | { |
553 | rc_first = this; |
483 | signal (SIGINT , SIG_IGN); |
554 | } |
484 | signal (SIGTERM, SIG_IGN); |
|
|
485 | signal (SIGABRT, SIG_IGN); |
555 | |
486 | |
556 | refcounted::~refcounted () |
487 | signal (SIGSEGV, SIG_DFL); |
557 | { |
488 | signal (SIGBUS , SIG_DFL); |
558 | assert (!rc_next); |
489 | signal (SIGILL , SIG_DFL); |
559 | assert (!refcnt); |
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); |
|
|
516 | abort (); |
|
|
517 | } |
|
|
518 | |
|
|
519 | LOG (llevError, "fork abort: %s\n", msg); |
560 | } |
520 | } |
|
|
521 | |
|
|
522 | void *salloc_ (int n) throw (std::bad_alloc) |
|
|
523 | { |
|
|
524 | void *ptr = g_slice_alloc (n); |
|
|
525 | |
|
|
526 | if (!ptr) |
|
|
527 | throw std::bad_alloc (); |
|
|
528 | |
|
|
529 | slice_alloc += n; |
|
|
530 | return ptr; |
|
|
531 | } |
|
|
532 | |
|
|
533 | void *salloc_ (int n, void *src) throw (std::bad_alloc) |
|
|
534 | { |
|
|
535 | void *ptr = salloc_ (n); |
|
|
536 | |
|
|
537 | if (src) |
|
|
538 | memcpy (ptr, src, n); |
|
|
539 | else |
|
|
540 | memset (ptr, 0, n); |
|
|
541 | |
|
|
542 | return ptr; |
|
|
543 | } |
|
|
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 | |
561 | #endif |
584 | #endif |
562 | |
585 | |
563 | void *alloc (int s) throw (std::bad_alloc) |
586 | /******************************************************************************/ |
564 | { |
|
|
565 | void *p = g_slice_alloc (s); |
|
|
566 | |
587 | |
567 | if (!p) |
588 | int |
568 | throw std::bad_alloc (); |
|
|
569 | |
|
|
570 | return p; |
|
|
571 | } |
|
|
572 | |
|
|
573 | void assign (char *dst, const char *src, int maxlen) |
589 | assign (char *dst, const char *src, int maxsize) |
574 | { |
590 | { |
575 | if (!src) |
591 | if (!src) |
576 | src = ""; |
592 | src = ""; |
577 | |
593 | |
578 | int len = strlen (src); |
594 | int len = strlen (src); |
579 | |
595 | |
580 | if (len >= maxlen - 1) |
596 | if (len >= maxsize) |
581 | { |
597 | { |
582 | if (maxlen <= 4) |
598 | if (maxsize <= 4) |
583 | { |
599 | { |
584 | memset (dst, '.', maxlen - 1); |
600 | memset (dst, '.', maxsize - 2); |
585 | dst [maxlen - 1] = 0; |
601 | dst [maxsize - 1] = 0; |
586 | } |
602 | } |
587 | else |
603 | else |
588 | { |
604 | { |
589 | memcpy (dst, src, maxlen - 4); |
605 | memcpy (dst, src, maxsize - 4); |
590 | memcpy (dst + maxlen - 4, "...", 4); |
606 | memcpy (dst + maxsize - 4, "...", 4); |
591 | } |
607 | } |
|
|
608 | |
|
|
609 | len = maxsize; |
592 | } |
610 | } |
593 | else |
611 | else |
594 | memcpy (dst, src, len + 1); |
612 | memcpy (dst, src, ++len); |
595 | } |
|
|
596 | |
613 | |
|
|
614 | return len; |
|
|
615 | } |
597 | |
616 | |
|
|
617 | const char * |
|
|
618 | format (const char *format, ...) |
|
|
619 | { |
|
|
620 | static dynbuf_text buf; |
|
|
621 | |
|
|
622 | buf.clear (); |
|
|
623 | |
|
|
624 | va_list ap; |
|
|
625 | va_start (ap, format); |
|
|
626 | buf.vprintf (format, ap); |
|
|
627 | va_end (ap); |
|
|
628 | |
|
|
629 | return buf; |
|
|
630 | } |
|
|
631 | |
|
|
632 | tstamp now () |
|
|
633 | { |
|
|
634 | struct timeval tv; |
|
|
635 | |
|
|
636 | gettimeofday (&tv, 0); |
|
|
637 | return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6); |
|
|
638 | } |
|
|
639 | |
|
|
640 | int |
|
|
641 | similar_direction (int a, int b) |
|
|
642 | { |
|
|
643 | if (!a || !b) |
|
|
644 | return 0; |
|
|
645 | |
|
|
646 | int diff = (b - a) & 7; |
|
|
647 | return diff <= 1 || diff >= 7; |
|
|
648 | } |
|
|
649 | |
|
|
650 | /* crc32 0xdebb20e3 table and supplementary functions. */ |
|
|
651 | extern const uint32_t crc_32_tab[256] = |
|
|
652 | { |
|
|
653 | 0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL, |
|
|
654 | 0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL, |
|
|
655 | 0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL, |
|
|
656 | 0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL, |
|
|
657 | 0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL, |
|
|
658 | 0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL, |
|
|
659 | 0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL, |
|
|
660 | 0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL, |
|
|
661 | 0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL, |
|
|
662 | 0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL, |
|
|
663 | 0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL, |
|
|
664 | 0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL, |
|
|
665 | 0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL, |
|
|
666 | 0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL, |
|
|
667 | 0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL, |
|
|
668 | 0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL, |
|
|
669 | 0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL, |
|
|
670 | 0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL, |
|
|
671 | 0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL, |
|
|
672 | 0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL, |
|
|
673 | 0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL, |
|
|
674 | 0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL, |
|
|
675 | 0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL, |
|
|
676 | 0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL, |
|
|
677 | 0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL, |
|
|
678 | 0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL, |
|
|
679 | 0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL, |
|
|
680 | 0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL, |
|
|
681 | 0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL, |
|
|
682 | 0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL, |
|
|
683 | 0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL, |
|
|
684 | 0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL, |
|
|
685 | 0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL, |
|
|
686 | 0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL, |
|
|
687 | 0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL, |
|
|
688 | 0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL, |
|
|
689 | 0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL, |
|
|
690 | 0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL, |
|
|
691 | 0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL, |
|
|
692 | 0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL, |
|
|
693 | 0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL, |
|
|
694 | 0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL, |
|
|
695 | 0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL, |
|
|
696 | 0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL, |
|
|
697 | 0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL, |
|
|
698 | 0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL, |
|
|
699 | 0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL, |
|
|
700 | 0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL, |
|
|
701 | 0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL, |
|
|
702 | 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
|
|
703 | 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
|
|
704 | 0x2d02ef8dL |
|
|
705 | }; |
|
|
706 | |
|
|
707 | void thread::start (void *(*start_routine)(void *), void *arg) |
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|
708 | { |
|
|
709 | pthread_attr_t attr; |
|
|
710 | |
|
|
711 | pthread_attr_init (&attr); |
|
|
712 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
713 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096 |
|
|
714 | ? sizeof (long) * 4096 : PTHREAD_STACK_MIN); |
|
|
715 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
716 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
717 | #endif |
|
|
718 | |
|
|
719 | sigset_t fullsigset, oldsigset; |
|
|
720 | sigfillset (&fullsigset); |
|
|
721 | |
|
|
722 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
723 | |
|
|
724 | if (pthread_create (&id, &attr, start_routine, arg)) |
|
|
725 | cleanup ("unable to create a new thread"); |
|
|
726 | |
|
|
727 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
|
|
728 | } |
|
|
729 | |