1 | /* |
1 | /* |
2 | * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
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6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
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7 | * |
5 | * |
8 | * Crossfire TRT is free software; you can redistribute it and/or modify it |
6 | * Deliantra is free software: you can redistribute it and/or modify it under |
9 | * under the terms of the GNU General Public License as published by the Free |
7 | * the terms of the Affero GNU General Public License as published by the |
10 | * Software Foundation; either version 2 of the License, or (at your option) |
8 | * Free Software Foundation, either version 3 of the License, or (at your |
11 | * any later version. |
9 | * option) any later version. |
12 | * |
10 | * |
13 | * This program is distributed in the hope that it will be useful, but |
11 | * This program is distributed in the hope that it will be useful, |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * for more details. |
14 | * GNU General Public License for more details. |
17 | * |
15 | * |
18 | * You should have received a copy of the GNU General Public License along |
16 | * You should have received a copy of the Affero GNU General Public License |
19 | * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 |
17 | * and the GNU General Public License along with this program. If not, see |
20 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
18 | * <http://www.gnu.org/licenses/>. |
21 | * |
19 | * |
22 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
20 | * The authors can be reached via e-mail to <support@deliantra.net> |
23 | */ |
21 | */ |
24 | |
22 | |
25 | /* |
23 | /* |
26 | * General convenience functions for crossfire. |
24 | * General convenience functions for deliantra. |
27 | */ |
25 | */ |
28 | |
26 | |
29 | #include <cstdlib> |
27 | #include <cstdlib> |
30 | #include <sys/types.h> |
28 | #include <sys/types.h> |
31 | #include <unistd.h> |
29 | #include <unistd.h> |
32 | #include <sys/time.h> |
30 | #include <sys/time.h> |
33 | #include <time.h> |
31 | #include <time.h> |
34 | #include <signal.h> |
32 | #include <signal.h> |
35 | |
33 | |
36 | #include <global.h> |
34 | #include <global.h> |
37 | #include <funcpoint.h> |
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38 | #include <material.h> |
35 | #include <material.h> |
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36 | #include <object.h> |
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37 | |
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38 | #include <sys/time.h> |
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39 | #include <sys/resource.h> |
39 | |
40 | |
40 | #include <glib.h> |
41 | #include <glib.h> |
41 | |
42 | |
42 | rand_gen rndm; |
43 | refcnt_base::refcnt_t refcnt_dummy; |
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44 | ssize_t slice_alloc; |
43 | |
45 | |
44 | void |
46 | #if !GCC_VERSION(3,4) |
45 | tausworthe_random_generator::seed (uint32_t seed) |
47 | int least_significant_bit (uint32_t x) |
46 | { |
48 | { |
47 | state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; |
49 | x &= -x; // this isolates the lowest bit |
48 | state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; |
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49 | state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; |
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50 | state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U; |
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51 | |
50 | |
52 | for (int i = 11; --i; ) |
51 | int r = 0; |
53 | operator ()(); |
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54 | } |
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55 | |
52 | |
56 | uint32_t |
53 | if (x & 0xaaaaaaaa) r += 1; |
57 | tausworthe_random_generator::next () |
54 | if (x & 0xcccccccc) r += 2; |
58 | { |
55 | if (x & 0xf0f0f0f0) r += 4; |
59 | state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U); |
56 | if (x & 0xff00ff00) r += 8; |
60 | state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U); |
57 | if (x & 0xffff0000) r += 16; |
61 | state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U); |
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62 | state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); |
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63 | |
58 | |
64 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
59 | return r; |
65 | } |
60 | } |
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61 | #endif |
66 | |
62 | |
67 | uint32_t |
63 | /******************************************************************************/ |
68 | tausworthe_random_generator::get_range (uint32_t num) |
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69 | { |
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70 | return (next () * (uint64_t)num) >> 32U; |
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71 | } |
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72 | |
64 | |
73 | // return a number within (min .. max) |
65 | /* Checks a player-provided string which will become the msg property of |
74 | int |
66 | * an object for dangerous input. |
75 | tausworthe_random_generator::get_range (int r_min, int r_max) |
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76 | { |
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77 | return r_min + get_range (max (r_max - r_min + 1, 0)); |
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78 | } |
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79 | |
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80 | /* |
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81 | * The random functions here take luck into account when rolling random |
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82 | * dice or numbers. This function has less of an impact the larger the |
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83 | * difference becomes in the random numbers. IE, the effect is lessened |
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84 | * on a 1-1000 roll, vs a 1-6 roll. This can be used by crafty programmers, |
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85 | * to specifically disable luck in certain rolls, simply by making the |
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86 | * numbers larger (ie, 1d1000 > 500 vs 1d6 > 3) |
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87 | */ |
67 | */ |
88 | |
68 | bool |
89 | /* |
69 | msg_is_safe (const char *msg) |
90 | * Roll a random number between min and max. Uses op to determine luck, |
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91 | * and if goodbad is non-zero, luck increases the roll, if zero, it decreases. |
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92 | * Generally, op should be the player/caster/hitter requesting the roll, |
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93 | * not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
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94 | */ |
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95 | int |
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96 | random_roll (int r_min, int r_max, const object *op, int goodbad) |
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97 | { |
70 | { |
98 | int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ |
71 | bool safe = true; |
99 | |
72 | |
100 | if (r_max < r_min) |
73 | /* Trying to cheat by getting data into the object */ |
101 | { |
74 | if (!strncmp (msg, "endmsg", sizeof ("endmsg") - 1) |
102 | LOG (llevError | logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max); |
75 | || strstr (msg, "\nendmsg")) |
103 | return r_min; |
76 | safe = false; |
104 | } |
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105 | |
77 | |
106 | if (op->type == PLAYER) |
78 | /* Trying to make the object talk, and potentially access arbitrary code */ |
107 | { |
79 | if (object::msg_has_dialogue (msg)) |
108 | int luck = op->stats.luck; |
80 | safe = false; |
109 | |
81 | |
110 | if (rndm (base) < min (10, abs (luck))) |
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111 | { |
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112 | //TODO: take luck into account |
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113 | } |
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114 | } |
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115 | |
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116 | return rndm (r_min, r_max); |
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117 | } |
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118 | |
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119 | /* |
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120 | * This is a 64 bit version of random_roll above. This is needed |
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121 | * for exp loss calculations for players changing religions. |
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122 | */ |
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123 | sint64 |
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124 | random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) |
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125 | { |
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126 | sint64 omin = min; |
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127 | sint64 diff = max - min + 1; |
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128 | int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */ |
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129 | |
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130 | if (diff < 0) |
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131 | { |
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132 | LOG (llevError | logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max); |
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133 | return (min); /* avoids a float exception */ |
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134 | } |
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135 | |
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136 | /* |
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137 | * Make a call to get two 32 bit unsigned random numbers, and just to |
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138 | * a little bitshifting. |
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139 | */ |
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140 | sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31); |
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141 | |
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142 | if (op->type != PLAYER) |
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143 | return ((ran % diff) + min); |
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144 | |
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145 | int luck = op->stats.luck; |
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146 | |
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147 | if (rndm (base) < MIN (10, abs (luck))) |
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148 | { |
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149 | /* we have a winner */ |
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150 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
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151 | diff -= luck; |
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152 | if (diff < 1) |
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153 | return (omin); /*check again */ |
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154 | |
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155 | ((goodbad) ? (min += luck) : (diff)); |
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156 | |
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157 | return (MAX (omin, MIN (max, (ran % diff) + min))); |
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158 | } |
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159 | |
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160 | return ran % diff + min; |
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161 | } |
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162 | |
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163 | /* |
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164 | * Roll a number of dice (2d3, 4d6). Uses op to determine luck, |
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165 | * If goodbad is non-zero, luck increases the roll, if zero, it decreases. |
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166 | * Generally, op should be the player/caster/hitter requesting the roll, |
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167 | * not the recipient (ie, the poor slob getting hit). |
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168 | * The args are num D size (ie 4d6) [garbled 20010916] |
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169 | */ |
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170 | int |
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171 | die_roll (int num, int size, const object *op, int goodbad) |
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172 | { |
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173 | int min, luck, total, i, gotlucky; |
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174 | |
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175 | int diff = size; |
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176 | min = 1; |
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177 | luck = total = gotlucky = 0; |
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178 | int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */ |
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179 | |
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180 | if (size < 2 || diff < 1) |
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181 | { |
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182 | LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); |
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183 | return num; /* avoids a float exception */ |
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184 | } |
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185 | |
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186 | if (op->type == PLAYER) |
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187 | luck = op->stats.luck; |
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188 | |
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189 | for (i = 0; i < num; i++) |
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190 | { |
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191 | if (rndm (base) < MIN (10, abs (luck)) && !gotlucky) |
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192 | { |
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193 | /* we have a winner */ |
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194 | gotlucky++; |
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195 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
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196 | diff -= luck; |
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197 | if (diff < 1) |
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198 | return (num); /*check again */ |
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199 | ((goodbad) ? (min += luck) : (diff)); |
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200 | total += MAX (1, MIN (size, rndm (diff) + min)); |
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201 | } |
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202 | else |
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203 | total += rndm (size) + 1; |
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204 | } |
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205 | |
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206 | return total; |
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207 | } |
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208 | |
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209 | /* decay and destroy perishable items in a map */ |
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210 | void |
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211 | maptile::decay_objects () |
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212 | { |
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213 | if (!spaces) |
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214 | return; |
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215 | |
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216 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
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217 | for (object *above, *op = ms->bot; op; op = above) |
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218 | { |
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219 | above = op->above; |
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220 | |
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221 | bool destroy = 0; |
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222 | |
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223 | // do not decay anything above unique floor tiles (yet :) |
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224 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
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225 | break; |
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226 | |
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227 | if (QUERY_FLAG (op, FLAG_IS_FLOOR) |
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228 | || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) |
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229 | || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) |
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230 | || QUERY_FLAG (op, FLAG_UNIQUE) |
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231 | || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) |
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232 | || QUERY_FLAG (op, FLAG_UNPAID) |
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233 | || op->is_alive ()) |
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234 | ; // do not decay |
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235 | else if (op->is_weapon ()) |
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236 | { |
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237 | op->stats.dam--; |
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238 | if (op->stats.dam < 0) |
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239 | destroy = 1; |
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240 | } |
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241 | else if (op->is_armor ()) |
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242 | { |
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243 | op->stats.ac--; |
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244 | if (op->stats.ac < 0) |
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245 | destroy = 1; |
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246 | } |
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247 | else if (op->type == FOOD) |
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248 | { |
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249 | op->stats.food -= rndm (5, 20); |
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250 | if (op->stats.food < 0) |
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251 | destroy = 1; |
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252 | } |
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253 | else |
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254 | { |
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255 | int mat = op->materials; |
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256 | |
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257 | if (mat & M_PAPER |
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258 | || mat & M_LEATHER |
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259 | || mat & M_WOOD |
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260 | || mat & M_ORGANIC |
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261 | || mat & M_CLOTH |
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262 | || mat & M_LIQUID |
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263 | || (mat & M_IRON && rndm (1, 5) == 1) |
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264 | || (mat & M_GLASS && rndm (1, 2) == 1) |
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265 | || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1) |
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266 | || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1) |
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267 | || (mat & M_ICE && temp > 32)) |
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268 | destroy = 1; |
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269 | } |
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270 | |
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271 | /* adjust overall chance below */ |
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272 | if (destroy && rndm (0, 1)) |
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273 | op->destroy (); |
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274 | } |
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275 | } |
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276 | |
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277 | /* convert materialname to materialtype_t */ |
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278 | |
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279 | materialtype_t * |
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280 | name_to_material (const shstr &name) |
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281 | { |
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282 | for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next) |
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283 | if (name == mt->name) |
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284 | return mt; |
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285 | |
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286 | return materialt; |
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287 | } |
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288 | |
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289 | /* when doing transmutation of objects, we have to recheck the resistances, |
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290 | * as some that did not apply previously, may apply now. |
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291 | */ |
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292 | |
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293 | void |
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294 | transmute_materialname (object *op, const object *change) |
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295 | { |
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296 | materialtype_t *mt; |
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297 | int j; |
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298 | |
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299 | if (op->materialname == NULL) |
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300 | return; |
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301 | |
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302 | if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
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303 | return; |
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304 | |
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305 | if (!op->is_armor ()) |
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306 | return; |
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307 | |
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308 | mt = name_to_material (op->materialname); |
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309 | if (!mt) |
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310 | { |
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311 | LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); |
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312 | return; |
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313 | } |
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314 | |
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315 | for (j = 0; j < NROFATTACKS; j++) |
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316 | if (op->resist[j] == 0 && change->resist[j] != 0) |
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317 | { |
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318 | op->resist[j] += mt->mod[j]; |
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319 | if (op->resist[j] > 100) |
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320 | op->resist[j] = 100; |
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321 | if (op->resist[j] < -100) |
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322 | op->resist[j] = -100; |
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323 | } |
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324 | } |
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325 | |
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326 | /* set the materialname and type for an item */ |
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327 | void |
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328 | set_materialname (object *op, int difficulty, materialtype_t *nmt) |
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329 | { |
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330 | materialtype_t *mt, *lmt; |
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331 | |
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332 | #ifdef NEW_MATERIAL_CODE |
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333 | int j; |
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334 | #endif |
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335 | |
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336 | if (op->materialname != NULL) |
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337 | return; |
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338 | |
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339 | |
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340 | |
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341 | if (nmt == NULL) |
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342 | { |
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343 | lmt = NULL; |
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344 | #ifndef NEW_MATERIAL_CODE |
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345 | for (mt = materialt; mt && mt->next; mt = mt->next) |
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346 | { |
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347 | if (op->materials & mt->material) |
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348 | { |
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349 | lmt = mt; |
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350 | break; |
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351 | } |
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352 | } |
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353 | |
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354 | #else |
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355 | for (mt = materialt; mt && mt->next; mt = mt->next) |
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356 | { |
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357 | if (op->materials & mt->material && rndm (1, 100) <= mt->chance && |
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358 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
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359 | { |
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360 | lmt = mt; |
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361 | if (!(op->is_weapon () || op->is_armor ())) |
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362 | break; |
|
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363 | } |
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364 | } |
|
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365 | #endif |
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366 | } |
|
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367 | else |
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368 | { |
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369 | lmt = nmt; |
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370 | } |
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371 | |
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372 | if (lmt != NULL) |
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373 | { |
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374 | #ifndef NEW_MATERIAL_CODE |
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375 | op->materialname = lmt->name; |
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376 | return; |
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377 | #else |
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378 | |
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379 | if (op->stats.dam && op->is_weapon ()) |
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380 | { |
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381 | op->stats.dam += lmt->damage; |
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382 | if (op->stats.dam < 1) |
|
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383 | op->stats.dam = 1; |
|
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384 | } |
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385 | |
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386 | if (op->stats.sp && op->type == BOW) |
|
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387 | op->stats.sp += lmt->sp; |
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388 | if (op->stats.wc && op->is_weapon ()) |
|
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389 | op->stats.wc += lmt->wc; |
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390 | if (op->is_armor ()) |
|
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391 | { |
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392 | if (op->stats.ac) |
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393 | op->stats.ac += lmt->ac; |
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394 | for (j = 0; j < NROFATTACKS; j++) |
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395 | if (op->resist[j] != 0) |
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396 | { |
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397 | op->resist[j] += lmt->mod[j]; |
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398 | if (op->resist[j] > 100) |
|
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399 | op->resist[j] = 100; |
|
|
400 | if (op->resist[j] < -100) |
|
|
401 | op->resist[j] = -100; |
|
|
402 | } |
|
|
403 | } |
|
|
404 | op->materialname = lmt->name; |
|
|
405 | /* dont make it unstackable if it doesn't need to be */ |
|
|
406 | if (op->is_weapon () || op->is_armor ()) |
|
|
407 | { |
|
|
408 | op->weight = (op->weight * lmt->weight) / 100; |
|
|
409 | op->value = (op->value * lmt->value) / 100; |
|
|
410 | } |
|
|
411 | #endif |
|
|
412 | } |
|
|
413 | } |
|
|
414 | |
|
|
415 | /* |
|
|
416 | * Strip out the media tags from a String. |
|
|
417 | * Warning the input string will contain the result string |
|
|
418 | */ |
|
|
419 | void |
|
|
420 | strip_media_tag (char *message) |
|
|
421 | { |
|
|
422 | int in_tag = 0; |
|
|
423 | char *dest; |
|
|
424 | char *src; |
|
|
425 | |
|
|
426 | src = dest = message; |
|
|
427 | while (*src != '\0') |
|
|
428 | { |
|
|
429 | if (*src == '[') |
|
|
430 | { |
|
|
431 | in_tag = 1; |
|
|
432 | } |
|
|
433 | else if (in_tag && (*src == ']')) |
|
|
434 | in_tag = 0; |
|
|
435 | else if (!in_tag) |
|
|
436 | { |
|
|
437 | *dest = *src; |
|
|
438 | dest++; |
|
|
439 | } |
|
|
440 | src++; |
|
|
441 | } |
|
|
442 | *dest = '\0'; |
|
|
443 | } |
|
|
444 | |
|
|
445 | const char * |
|
|
446 | strrstr (const char *haystack, const char *needle) |
|
|
447 | { |
|
|
448 | const char *lastneedle; |
|
|
449 | |
|
|
450 | lastneedle = NULL; |
|
|
451 | while ((haystack = strstr (haystack, needle)) != NULL) |
|
|
452 | { |
|
|
453 | lastneedle = haystack; |
|
|
454 | haystack++; |
|
|
455 | } |
|
|
456 | return lastneedle; |
|
|
457 | |
|
|
458 | } |
|
|
459 | |
|
|
460 | #define EOL_SIZE (sizeof("\n")-1) |
|
|
461 | void |
|
|
462 | strip_endline (char *buf) |
|
|
463 | { |
|
|
464 | if (strlen (buf) < sizeof ("\n")) |
|
|
465 | { |
|
|
466 | return; |
|
|
467 | } |
|
|
468 | if (!strcmp (buf + strlen (buf) - EOL_SIZE, "\n")) |
|
|
469 | buf[strlen (buf) - EOL_SIZE] = '\0'; |
|
|
470 | } |
|
|
471 | |
|
|
472 | /** |
|
|
473 | * Replace in string src all occurrences of key by replacement. The resulting |
|
|
474 | * string is put into result; at most resultsize characters (including the |
|
|
475 | * terminating null character) will be written to result. |
|
|
476 | */ |
|
|
477 | void |
|
|
478 | replace (const char *src, const char *key, const char *replacement, char *result, size_t resultsize) |
|
|
479 | { |
|
|
480 | size_t resultlen; |
|
|
481 | size_t keylen; |
|
|
482 | |
|
|
483 | /* special case to prevent infinite loop if key==replacement=="" */ |
|
|
484 | if (strcmp (key, replacement) == 0) |
|
|
485 | { |
|
|
486 | snprintf (result, resultsize, "%s", src); |
|
|
487 | return; |
|
|
488 | } |
|
|
489 | |
|
|
490 | keylen = strlen (key); |
|
|
491 | |
|
|
492 | resultlen = 0; |
|
|
493 | while (*src != '\0' && resultlen + 1 < resultsize) |
|
|
494 | { |
|
|
495 | if (strncmp (src, key, keylen) == 0) |
|
|
496 | { |
|
|
497 | snprintf (result + resultlen, resultsize - resultlen, "%s", replacement); |
|
|
498 | resultlen += strlen (result + resultlen); |
|
|
499 | src += keylen; |
|
|
500 | } |
|
|
501 | else |
|
|
502 | { |
|
|
503 | result[resultlen++] = *src++; |
|
|
504 | } |
|
|
505 | } |
|
|
506 | result[resultlen] = '\0'; |
|
|
507 | } |
|
|
508 | |
|
|
509 | /** |
|
|
510 | * Taking a string as an argument, mutate it into a string that looks like a list. |
|
|
511 | * a 'list' for the purposes here, is a string of items, seperated by commas, except |
|
|
512 | * for the last entry, which has an 'and' before it, and a full stop (period) after it. |
|
|
513 | * This function will also strip all trailing non alphanumeric characters. |
|
|
514 | * It does not insert an oxford comma. |
|
|
515 | */ |
|
|
516 | |
|
|
517 | void |
|
|
518 | make_list_like (char *input) |
|
|
519 | { |
|
|
520 | char *p, tmp[MAX_BUF]; |
|
|
521 | int i; |
|
|
522 | |
|
|
523 | if (!input || strlen (input) > MAX_BUF - 5) |
|
|
524 | return; |
|
|
525 | /* bad stuff would happen if we continued here, the -5 is to make space for ' and ' */ |
|
|
526 | |
|
|
527 | strncpy (tmp, input, MAX_BUF - 5); |
|
|
528 | /*trim all trailing commas, spaces etc. */ |
|
|
529 | for (i = strlen (tmp); !isalnum (tmp[i]) && i >= 0; i--) |
|
|
530 | tmp[i] = '\0'; |
|
|
531 | |
|
|
532 | strcat (tmp, "."); |
|
|
533 | |
|
|
534 | p = strrchr (tmp, ','); |
|
|
535 | if (p) |
|
|
536 | { |
|
|
537 | *p = '\0'; |
|
|
538 | strcpy (input, tmp); |
|
|
539 | p++; |
|
|
540 | strcat (input, " and"); |
|
|
541 | strcat (input, p); |
|
|
542 | } |
|
|
543 | else |
|
|
544 | strcpy (input, tmp); |
|
|
545 | |
|
|
546 | return; |
82 | return safe; |
547 | } |
83 | } |
548 | |
84 | |
549 | ///////////////////////////////////////////////////////////////////////////// |
85 | ///////////////////////////////////////////////////////////////////////////// |
550 | |
86 | |
551 | void |
87 | void |
552 | fork_abort (const char *msg) |
88 | fork_abort (const char *msg) |
553 | { |
89 | { |
554 | if (!fork ()) |
90 | if (!fork ()) |
555 | { |
91 | { |
|
|
92 | signal (SIGINT , SIG_IGN); |
|
|
93 | signal (SIGTERM, SIG_IGN); |
556 | signal (SIGABRT, SIG_DFL); |
94 | signal (SIGABRT, SIG_IGN); |
|
|
95 | |
|
|
96 | signal (SIGSEGV, SIG_DFL); |
|
|
97 | signal (SIGFPE , SIG_DFL); |
|
|
98 | #ifdef SIGBUS |
|
|
99 | signal (SIGBUS , SIG_DFL); |
|
|
100 | #endif |
|
|
101 | signal (SIGILL , SIG_DFL); |
|
|
102 | signal (SIGTRAP, SIG_DFL); |
|
|
103 | |
557 | // try to put corefiles into a subdirectory, if existing, to allow |
104 | // try to put corefiles into a subdirectory, if existing, to allow |
558 | // an administrator to reduce the I/O load. |
105 | // an administrator to reduce the I/O load. |
559 | chdir ("cores"); |
106 | chdir ("cores"); |
|
|
107 | |
|
|
108 | // try to detach us from as many external dependencies as possible |
|
|
109 | // as coredumping can take time by closing all fd's. |
|
|
110 | { |
|
|
111 | struct rlimit lim; |
|
|
112 | |
|
|
113 | if (getrlimit (RLIMIT_NOFILE, &lim)) |
|
|
114 | lim.rlim_cur = 1024; |
|
|
115 | |
|
|
116 | for (int i = 0; i < lim.rlim_cur; ++i) |
|
|
117 | close (i); |
|
|
118 | } |
|
|
119 | |
|
|
120 | { |
|
|
121 | sigset_t empty; |
|
|
122 | sigemptyset (&empty); |
|
|
123 | sigprocmask (SIG_SETMASK, &empty, 0); |
|
|
124 | } |
|
|
125 | |
|
|
126 | // try to coredump with SIGTRAP |
|
|
127 | kill (getpid (), SIGTRAP); |
560 | abort (); |
128 | abort (); |
561 | } |
129 | } |
562 | |
130 | |
563 | LOG (llevError, "fork abort: %s\n", msg); |
131 | LOG (llevError, "fork abort: %s\n", msg); |
564 | } |
132 | } |
565 | |
133 | |
|
|
134 | void * |
566 | void *salloc_ (int n) throw (std::bad_alloc) |
135 | salloc_ (int n) throw (std::bad_alloc) |
567 | { |
136 | { |
568 | #ifdef PREFER_MALLOC |
|
|
569 | void *ptr = malloc (n); |
|
|
570 | #else |
|
|
571 | void *ptr = g_slice_alloc (n); |
137 | void *ptr = g_slice_alloc (n); |
572 | #endif |
|
|
573 | |
138 | |
574 | if (!ptr) |
139 | if (!ptr) |
575 | throw std::bad_alloc (); |
140 | throw std::bad_alloc (); |
576 | |
141 | |
|
|
142 | slice_alloc += n; |
577 | return ptr; |
143 | return ptr; |
578 | } |
144 | } |
579 | |
145 | |
|
|
146 | void * |
580 | void *salloc_ (int n, void *src) throw (std::bad_alloc) |
147 | salloc_ (int n, void *src) throw (std::bad_alloc) |
581 | { |
148 | { |
582 | void *ptr = salloc_ (n); |
149 | void *ptr = salloc_ (n); |
583 | |
150 | |
584 | if (src) |
151 | if (src) |
585 | memcpy (ptr, src, n); |
152 | memcpy (ptr, src, n); |
… | |
… | |
587 | memset (ptr, 0, n); |
154 | memset (ptr, 0, n); |
588 | |
155 | |
589 | return ptr; |
156 | return ptr; |
590 | } |
157 | } |
591 | |
158 | |
|
|
159 | /******************************************************************************/ |
|
|
160 | |
|
|
161 | #if DEBUG_SALLOC |
|
|
162 | |
|
|
163 | #define MAGIC 0xa1b2c35543deadLL |
|
|
164 | |
|
|
165 | void * |
|
|
166 | g_slice_alloc (unsigned long size) |
|
|
167 | { |
|
|
168 | unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long)); |
|
|
169 | *p++ = size ^ MAGIC; |
|
|
170 | //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D |
|
|
171 | return (void *)p; |
|
|
172 | } |
|
|
173 | |
|
|
174 | void * |
|
|
175 | g_slice_alloc0 (unsigned long size) |
|
|
176 | { |
|
|
177 | return memset (g_slice_alloc (size), 0, size); |
|
|
178 | } |
|
|
179 | |
|
|
180 | void |
|
|
181 | g_slice_free1 (unsigned long size, void *ptr) |
|
|
182 | { |
|
|
183 | //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D |
|
|
184 | if (expect_true (ptr)) |
|
|
185 | { |
|
|
186 | unsigned long *p = (unsigned long *)ptr; |
|
|
187 | unsigned long s = *--p ^ MAGIC; |
|
|
188 | |
|
|
189 | if (size != (unsigned long)(*p ^ MAGIC)) |
|
|
190 | { |
|
|
191 | LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s); |
|
|
192 | abort (); |
|
|
193 | } |
|
|
194 | |
|
|
195 | *p = MAGIC; |
|
|
196 | |
|
|
197 | (g_slice_free1)(s + sizeof (unsigned long), p); |
|
|
198 | } |
|
|
199 | } |
|
|
200 | |
|
|
201 | #endif |
|
|
202 | |
|
|
203 | /******************************************************************************/ |
|
|
204 | |
|
|
205 | refcnt_buf::refcnt_buf (size_t size) |
|
|
206 | { |
|
|
207 | static uint32_t empty_buf [2] = { 0, 1 }; // 2 == never deallocated |
|
|
208 | data = (char *)empty_buf + overhead; |
|
|
209 | assert (overhead == sizeof (empty_buf)); |
|
|
210 | inc (); |
|
|
211 | } |
|
|
212 | |
|
|
213 | refcnt_buf::refcnt_buf (void *data, size_t size) |
|
|
214 | { |
|
|
215 | _alloc (size); |
|
|
216 | memcpy (this->data, data, size); |
|
|
217 | } |
|
|
218 | |
|
|
219 | refcnt_buf::~refcnt_buf () |
|
|
220 | { |
|
|
221 | dec (); |
|
|
222 | } |
|
|
223 | |
|
|
224 | void |
|
|
225 | refcnt_buf::_dealloc () |
|
|
226 | { |
|
|
227 | sfree<char> (data - overhead, size () + overhead); |
|
|
228 | } |
|
|
229 | |
|
|
230 | refcnt_buf & |
|
|
231 | refcnt_buf::operator =(const refcnt_buf &src) |
|
|
232 | { |
|
|
233 | dec (); |
|
|
234 | data = src.data; |
|
|
235 | inc (); |
|
|
236 | return *this; |
|
|
237 | } |
|
|
238 | |
|
|
239 | /******************************************************************************/ |
|
|
240 | |
|
|
241 | int |
592 | void assign (char *dst, const char *src, int maxlen) |
242 | assign (char *dst, const char *src, int maxsize) |
593 | { |
243 | { |
594 | if (!src) |
244 | if (!src) |
595 | src = ""; |
245 | src = ""; |
596 | |
246 | |
597 | int len = strlen (src); |
247 | int len = strlen (src); |
598 | |
248 | |
599 | if (len >= maxlen - 1) |
249 | if (len >= maxsize) |
600 | { |
250 | { |
601 | if (maxlen <= 4) |
251 | if (maxsize <= 4) |
602 | { |
252 | { |
603 | memset (dst, '.', maxlen - 1); |
253 | memset (dst, '.', maxsize - 2); |
604 | dst [maxlen - 1] = 0; |
254 | dst [maxsize - 1] = 0; |
605 | } |
255 | } |
606 | else |
256 | else |
607 | { |
257 | { |
608 | memcpy (dst, src, maxlen - 4); |
258 | memcpy (dst, src, maxsize - 4); |
609 | memcpy (dst + maxlen - 4, "...", 4); |
259 | memcpy (dst + maxsize - 4, "...", 4); |
610 | } |
260 | } |
|
|
261 | |
|
|
262 | len = maxsize; |
611 | } |
263 | } |
612 | else |
264 | else |
613 | memcpy (dst, src, len + 1); |
265 | memcpy (dst, src, ++len); |
614 | } |
|
|
615 | |
266 | |
616 | const std::string |
267 | return len; |
|
|
268 | } |
|
|
269 | |
|
|
270 | char * |
|
|
271 | vformat (const char *format, va_list ap) |
|
|
272 | { |
|
|
273 | static dynbuf_text bufs[8]; |
|
|
274 | static int bufidx; |
|
|
275 | |
|
|
276 | dynbuf_text &buf = bufs [++bufidx & 7]; |
|
|
277 | |
|
|
278 | buf.clear (); |
|
|
279 | buf.vprintf (format, ap); |
|
|
280 | return buf; |
|
|
281 | } |
|
|
282 | |
|
|
283 | char * |
617 | format (const char *format, ...) |
284 | format (const char *format, ...) |
618 | { |
285 | { |
619 | int len; |
|
|
620 | |
|
|
621 | { |
|
|
622 | char buf[128]; |
|
|
623 | |
|
|
624 | va_list ap; |
286 | va_list ap; |
625 | va_start (ap, format); |
287 | va_start (ap, format); |
626 | len = vsnprintf (buf, sizeof (buf), format, ap); |
288 | char *buf = vformat (format, ap); |
627 | va_end (ap); |
289 | va_end (ap); |
628 | |
290 | |
629 | assert (len >= 0); // shield againstz broken vsnprintf's |
|
|
630 | |
|
|
631 | // was our static buffer short enough? |
|
|
632 | if (len < sizeof (buf)) |
|
|
633 | return std::string (buf, len); |
|
|
634 | } |
|
|
635 | |
|
|
636 | { |
|
|
637 | // longer, try harder |
|
|
638 | char *buf = salloc<char> (len + 1); |
|
|
639 | |
|
|
640 | va_list ap; |
|
|
641 | va_start (ap, format); |
|
|
642 | vsnprintf (buf, len + 1, format, ap); |
|
|
643 | va_end (ap); |
|
|
644 | |
|
|
645 | const std::string s (buf, len); |
|
|
646 | sfree<char> (buf, len + 1); |
|
|
647 | |
|
|
648 | return buf; |
291 | return buf; |
649 | } |
|
|
650 | } |
292 | } |
651 | |
293 | |
652 | tstamp now () |
294 | tstamp |
|
|
295 | now () |
653 | { |
296 | { |
654 | struct timeval tv; |
297 | struct timeval tv; |
655 | |
298 | |
656 | gettimeofday (&tv, 0); |
299 | gettimeofday (&tv, 0); |
657 | return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6); |
300 | return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6); |
… | |
… | |
722 | 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
365 | 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
723 | 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
366 | 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
724 | 0x2d02ef8dL |
367 | 0x2d02ef8dL |
725 | }; |
368 | }; |
726 | |
369 | |
|
|
370 | void |
|
|
371 | thread::start (void *(*start_routine)(void *), void *arg) |
|
|
372 | { |
|
|
373 | pthread_attr_t attr; |
727 | |
374 | |
|
|
375 | pthread_attr_init (&attr); |
|
|
376 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
377 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096 |
|
|
378 | ? sizeof (long) * 4096 : PTHREAD_STACK_MIN); |
|
|
379 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
380 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
381 | #endif |
|
|
382 | |
|
|
383 | sigset_t fullsigset, oldsigset; |
|
|
384 | sigfillset (&fullsigset); |
|
|
385 | |
|
|
386 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
387 | |
|
|
388 | if (pthread_create (&id, &attr, start_routine, arg)) |
|
|
389 | cleanup ("unable to create a new thread"); |
|
|
390 | |
|
|
391 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
|
|
392 | } |
|
|
393 | |