1 |
root |
1.9 |
|
2 |
elmex |
1.1 |
/* |
3 |
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* static char *rcsid_utils_c = |
4 |
root |
1.12 |
* "$Id: utils.C,v 1.11 2006-09-12 19:20:06 root Exp $"; |
5 |
elmex |
1.1 |
*/ |
6 |
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7 |
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/* |
8 |
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CrossFire, A Multiplayer game for X-windows |
9 |
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10 |
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Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
11 |
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Copyright (C) 1992 Frank Tore Johansen |
12 |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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The authors can be reached via e-mail at crossfire-devel@real-time.com |
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*/ |
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30 |
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/* |
31 |
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* General convenience functions for crossfire. |
32 |
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*/ |
33 |
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34 |
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#include <global.h> |
35 |
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#include <funcpoint.h> |
36 |
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#include <material.h> |
37 |
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38 |
root |
1.4 |
#include <glib.h> |
39 |
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|
40 |
elmex |
1.1 |
/* |
41 |
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* The random functions here take luck into account when rolling random |
42 |
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* dice or numbers. This function has less of an impact the larger the |
43 |
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* difference becomes in the random numbers. IE, the effect is lessened |
44 |
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* on a 1-1000 roll, vs a 1-6 roll. This can be used by crafty programmers, |
45 |
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* to specifically disable luck in certain rolls, simply by making the |
46 |
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* numbers larger (ie, 1d1000 > 500 vs 1d6 > 3) |
47 |
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*/ |
48 |
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49 |
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/* |
50 |
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* Roll a random number between min and max. Uses op to determine luck, |
51 |
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* and if goodbad is non-zero, luck increases the roll, if zero, it decreases. |
52 |
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* Generally, op should be the player/caster/hitter requesting the roll, |
53 |
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* not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
54 |
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*/ |
55 |
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56 |
root |
1.9 |
int |
57 |
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random_roll (int min, int max, const object *op, int goodbad) |
58 |
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{ |
59 |
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int omin, diff, luck, base, ran; |
60 |
elmex |
1.1 |
|
61 |
root |
1.9 |
omin = min; |
62 |
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diff = max - min + 1; |
63 |
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((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
64 |
elmex |
1.1 |
|
65 |
root |
1.9 |
if (max < 1 || diff < 1) |
66 |
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{ |
67 |
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LOG (llevError, "Calling random_roll with min=%d max=%d\n", min, max); |
68 |
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return (min); /* avoids a float exception */ |
69 |
elmex |
1.1 |
} |
70 |
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|
71 |
root |
1.9 |
ran = RANDOM (); |
72 |
elmex |
1.1 |
|
73 |
root |
1.9 |
if (op->type != PLAYER) |
74 |
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return ((ran % diff) + min); |
75 |
elmex |
1.1 |
|
76 |
root |
1.9 |
luck = op->stats.luck; |
77 |
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if (RANDOM () % base < MIN (10, abs (luck))) |
78 |
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{ |
79 |
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/* we have a winner */ |
80 |
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((luck > 0) ? (luck = 1) : (luck = -1)); |
81 |
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diff -= luck; |
82 |
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if (diff < 1) |
83 |
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return (omin); /*check again */ |
84 |
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((goodbad) ? (min += luck) : (diff)); |
85 |
elmex |
1.1 |
|
86 |
root |
1.9 |
return (MAX (omin, MIN (max, (ran % diff) + min))); |
87 |
elmex |
1.1 |
} |
88 |
root |
1.9 |
return ((ran % diff) + min); |
89 |
elmex |
1.1 |
} |
90 |
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91 |
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/* |
92 |
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* This is a 64 bit version of random_roll above. This is needed |
93 |
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* for exp loss calculations for players changing religions. |
94 |
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*/ |
95 |
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96 |
root |
1.9 |
sint64 |
97 |
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random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) |
98 |
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{ |
99 |
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sint64 omin, diff, luck, ran; |
100 |
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int base; |
101 |
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102 |
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omin = min; |
103 |
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diff = max - min + 1; |
104 |
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((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
105 |
elmex |
1.1 |
|
106 |
root |
1.9 |
if (max < 1 || diff < 1) |
107 |
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{ |
108 |
elmex |
1.1 |
#ifndef WIN32 |
109 |
root |
1.9 |
LOG (llevError, "Calling random_roll with min=%lld max=%lld\n", min, max); |
110 |
elmex |
1.1 |
#else |
111 |
root |
1.9 |
LOG (llevError, "Calling random_roll with min=%I64d max=%I64d\n", min, max); |
112 |
elmex |
1.1 |
#endif |
113 |
root |
1.9 |
return (min); /* avoids a float exception */ |
114 |
elmex |
1.1 |
} |
115 |
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|
116 |
root |
1.9 |
/* Don't know of a portable call to get 64 bit random values. |
117 |
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* So make a call to get two 32 bit random numbers, and just to |
118 |
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* a little byteshifting. Do make sure the first one is only |
119 |
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* 32 bit, so we don't get skewed results |
120 |
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*/ |
121 |
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ran = (RANDOM () & 0xffffffff) | ((sint64) RANDOM () << 32); |
122 |
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123 |
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if (op->type != PLAYER) |
124 |
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return ((ran % diff) + min); |
125 |
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126 |
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luck = op->stats.luck; |
127 |
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if (RANDOM () % base < MIN (10, abs (luck))) |
128 |
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{ |
129 |
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/* we have a winner */ |
130 |
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((luck > 0) ? (luck = 1) : (luck = -1)); |
131 |
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diff -= luck; |
132 |
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if (diff < 1) |
133 |
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return (omin); /*check again */ |
134 |
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((goodbad) ? (min += luck) : (diff)); |
135 |
elmex |
1.1 |
|
136 |
root |
1.9 |
return (MAX (omin, MIN (max, (ran % diff) + min))); |
137 |
elmex |
1.1 |
} |
138 |
root |
1.9 |
return ((ran % diff) + min); |
139 |
elmex |
1.1 |
} |
140 |
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|
141 |
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/* |
142 |
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* Roll a number of dice (2d3, 4d6). Uses op to determine luck, |
143 |
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* If goodbad is non-zero, luck increases the roll, if zero, it decreases. |
144 |
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* Generally, op should be the player/caster/hitter requesting the roll, |
145 |
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* not the recipient (ie, the poor slob getting hit). |
146 |
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* The args are num D size (ie 4d6) [garbled 20010916] |
147 |
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*/ |
148 |
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|
149 |
root |
1.9 |
int |
150 |
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die_roll (int num, int size, const object *op, int goodbad) |
151 |
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{ |
152 |
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int min, diff, luck, total, i, gotlucky, base, ran; |
153 |
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154 |
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diff = size; |
155 |
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min = 1; |
156 |
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luck = total = gotlucky = 0; |
157 |
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((diff > 2) ? (base = 20) : (base = 50)); /* d2 and d3 are corner cases */ |
158 |
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if (size < 2 || diff < 1) |
159 |
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{ |
160 |
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LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size); |
161 |
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return (num); /* avoids a float exception */ |
162 |
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} |
163 |
elmex |
1.1 |
|
164 |
root |
1.9 |
if (op->type == PLAYER) |
165 |
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luck = op->stats.luck; |
166 |
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167 |
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for (i = 0; i < num; i++) |
168 |
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{ |
169 |
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if (RANDOM () % base < MIN (10, abs (luck)) && !gotlucky) |
170 |
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{ |
171 |
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/* we have a winner */ |
172 |
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gotlucky++; |
173 |
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((luck > 0) ? (luck = 1) : (luck = -1)); |
174 |
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diff -= luck; |
175 |
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if (diff < 1) |
176 |
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return (num); /*check again */ |
177 |
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((goodbad) ? (min += luck) : (diff)); |
178 |
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ran = RANDOM (); |
179 |
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total += MAX (1, MIN (size, (ran % diff) + min)); |
180 |
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} |
181 |
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else |
182 |
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{ |
183 |
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total += RANDOM () % size + 1; |
184 |
root |
1.2 |
} |
185 |
elmex |
1.1 |
} |
186 |
root |
1.9 |
return (total); |
187 |
elmex |
1.1 |
} |
188 |
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189 |
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/* |
190 |
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* Another convenience function. Returns a number between min and max. |
191 |
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* It is suggested one use these functions rather than RANDOM()%, as it |
192 |
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* would appear that a number of off-by-one-errors exist due to improper |
193 |
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* use of %. This should also prevent SIGFPE. |
194 |
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*/ |
195 |
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|
196 |
root |
1.9 |
int |
197 |
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rndm (int min, int max) |
198 |
elmex |
1.1 |
{ |
199 |
|
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int diff; |
200 |
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|
201 |
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diff = max - min + 1; |
202 |
|
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if (max < 1 || diff < 1) |
203 |
root |
1.9 |
return (min); |
204 |
elmex |
1.1 |
|
205 |
root |
1.9 |
return (RANDOM () % diff + min); |
206 |
elmex |
1.1 |
} |
207 |
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208 |
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/* decay and destroy persihable items in a map */ |
209 |
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|
210 |
root |
1.9 |
void |
211 |
|
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decay_objects (mapstruct *m) |
212 |
elmex |
1.1 |
{ |
213 |
root |
1.9 |
int x, y, destroy; |
214 |
|
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object *op, *otmp; |
215 |
elmex |
1.1 |
|
216 |
root |
1.9 |
if (m->unique) |
217 |
|
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return; |
218 |
elmex |
1.1 |
|
219 |
root |
1.9 |
for (x = 0; x < MAP_WIDTH (m); x++) |
220 |
|
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for (y = 0; y < MAP_HEIGHT (m); y++) |
221 |
|
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for (op = get_map_ob (m, x, y); op; op = otmp) |
222 |
|
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{ |
223 |
|
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destroy = 0; |
224 |
|
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otmp = op->above; |
225 |
|
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if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) |
226 |
|
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break; |
227 |
|
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if (QUERY_FLAG (op, FLAG_IS_FLOOR) || |
228 |
|
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QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) || |
229 |
|
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QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL) || |
230 |
|
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QUERY_FLAG (op, FLAG_UNIQUE) || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) || QUERY_FLAG (op, FLAG_UNPAID) || IS_LIVE (op)) |
231 |
|
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continue; |
232 |
|
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/* otherwise, we decay and destroy */ |
233 |
|
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if (IS_WEAPON (op)) |
234 |
|
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{ |
235 |
|
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op->stats.dam--; |
236 |
|
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if (op->stats.dam < 0) |
237 |
|
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destroy = 1; |
238 |
root |
1.2 |
} |
239 |
root |
1.9 |
else if (IS_ARMOR (op)) |
240 |
|
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{ |
241 |
|
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op->stats.ac--; |
242 |
|
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if (op->stats.ac < 0) |
243 |
|
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destroy = 1; |
244 |
|
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} |
245 |
|
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else if (op->type == FOOD) |
246 |
|
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{ |
247 |
|
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op->stats.food -= rndm (5, 20); |
248 |
|
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if (op->stats.food < 0) |
249 |
|
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destroy = 1; |
250 |
|
|
} |
251 |
|
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else |
252 |
|
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{ |
253 |
|
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if (op->material & M_PAPER || op->material & M_LEATHER || |
254 |
|
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op->material & M_WOOD || op->material & M_ORGANIC || op->material & M_CLOTH || op->material & M_LIQUID) |
255 |
|
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destroy = 1; |
256 |
|
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if (op->material & M_IRON && rndm (1, 5) == 1) |
257 |
|
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destroy = 1; |
258 |
|
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if (op->material & M_GLASS && rndm (1, 2) == 1) |
259 |
|
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destroy = 1; |
260 |
|
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if ((op->material & M_STONE || op->material & M_ADAMANT) && rndm (1, 10) == 1) |
261 |
|
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destroy = 1; |
262 |
|
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if ((op->material & M_SOFT_METAL || op->material & M_BONE) && rndm (1, 3) == 1) |
263 |
|
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destroy = 1; |
264 |
|
|
if (op->material & M_ICE && MAP_TEMP (m) > 32) |
265 |
|
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destroy = 1; |
266 |
|
|
} |
267 |
|
|
/* adjust overall chance below */ |
268 |
|
|
if (destroy && rndm (0, 1)) |
269 |
|
|
{ |
270 |
|
|
remove_ob (op); |
271 |
|
|
free_object (op); |
272 |
|
|
} |
273 |
|
|
} |
274 |
elmex |
1.1 |
} |
275 |
|
|
|
276 |
|
|
/* convert materialname to materialtype_t */ |
277 |
|
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|
278 |
root |
1.9 |
materialtype_t * |
279 |
|
|
name_to_material (const char *name) |
280 |
elmex |
1.1 |
{ |
281 |
root |
1.9 |
materialtype_t *mt, *nmt; |
282 |
elmex |
1.1 |
|
283 |
root |
1.9 |
mt = NULL; |
284 |
|
|
for (nmt = materialt; nmt != NULL && nmt->next != NULL; nmt = nmt->next) |
285 |
|
|
{ |
286 |
|
|
if (strcmp (name, nmt->name) == 0) |
287 |
|
|
{ |
288 |
|
|
mt = nmt; |
289 |
|
|
break; |
290 |
root |
1.2 |
} |
291 |
elmex |
1.1 |
} |
292 |
root |
1.9 |
return mt; |
293 |
elmex |
1.1 |
} |
294 |
|
|
|
295 |
|
|
/* when doing transmutation of objects, we have to recheck the resistances, |
296 |
|
|
* as some that did not apply previously, may apply now. |
297 |
|
|
*/ |
298 |
|
|
|
299 |
root |
1.9 |
void |
300 |
|
|
transmute_materialname (object *op, const object *change) |
301 |
elmex |
1.1 |
{ |
302 |
root |
1.9 |
materialtype_t *mt; |
303 |
|
|
int j; |
304 |
elmex |
1.1 |
|
305 |
root |
1.9 |
if (op->materialname == NULL) |
306 |
|
|
return; |
307 |
elmex |
1.1 |
|
308 |
root |
1.9 |
if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
309 |
|
|
return; |
310 |
|
|
|
311 |
|
|
if (!IS_ARMOR (op)) |
312 |
|
|
return; |
313 |
|
|
|
314 |
|
|
mt = name_to_material (op->materialname); |
315 |
|
|
if (!mt) |
316 |
|
|
{ |
317 |
|
|
LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname); |
318 |
|
|
return; |
319 |
|
|
} |
320 |
|
|
|
321 |
|
|
for (j = 0; j < NROFATTACKS; j++) |
322 |
|
|
if (op->resist[j] == 0 && change->resist[j] != 0) |
323 |
|
|
{ |
324 |
|
|
op->resist[j] += mt->mod[j]; |
325 |
|
|
if (op->resist[j] > 100) |
326 |
|
|
op->resist[j] = 100; |
327 |
|
|
if (op->resist[j] < -100) |
328 |
|
|
op->resist[j] = -100; |
329 |
|
|
} |
330 |
elmex |
1.1 |
} |
331 |
|
|
|
332 |
|
|
/* set the materialname and type for an item */ |
333 |
root |
1.9 |
void |
334 |
|
|
set_materialname (object *op, int difficulty, materialtype_t *nmt) |
335 |
elmex |
1.1 |
{ |
336 |
root |
1.9 |
materialtype_t *mt, *lmt; |
337 |
|
|
|
338 |
pippijn |
1.5 |
#ifdef NEW_MATERIAL_CODE |
339 |
root |
1.9 |
int j; |
340 |
pippijn |
1.5 |
#endif |
341 |
elmex |
1.1 |
|
342 |
root |
1.9 |
if (op->materialname != NULL) |
343 |
|
|
return; |
344 |
elmex |
1.1 |
|
345 |
|
|
|
346 |
|
|
|
347 |
root |
1.9 |
if (nmt == NULL) |
348 |
|
|
{ |
349 |
|
|
lmt = NULL; |
350 |
elmex |
1.1 |
#ifndef NEW_MATERIAL_CODE |
351 |
root |
1.9 |
for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
352 |
|
|
{ |
353 |
|
|
if (op->material & mt->material) |
354 |
|
|
{ |
355 |
|
|
lmt = mt; |
356 |
|
|
break; |
357 |
root |
1.2 |
} |
358 |
|
|
} |
359 |
elmex |
1.1 |
|
360 |
|
|
#else |
361 |
root |
1.9 |
for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next) |
362 |
|
|
{ |
363 |
|
|
if (op->material & mt->material && rndm (1, 100) <= mt->chance && |
364 |
|
|
difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
365 |
|
|
{ |
366 |
|
|
lmt = mt; |
367 |
|
|
if (!(IS_WEAPON (op) || IS_ARMOR (op))) |
368 |
|
|
break; |
369 |
root |
1.2 |
} |
370 |
|
|
} |
371 |
elmex |
1.1 |
#endif |
372 |
root |
1.9 |
} |
373 |
|
|
else |
374 |
|
|
{ |
375 |
|
|
lmt = nmt; |
376 |
elmex |
1.1 |
} |
377 |
|
|
|
378 |
root |
1.9 |
if (lmt != NULL) |
379 |
|
|
{ |
380 |
elmex |
1.1 |
#ifndef NEW_MATERIAL_CODE |
381 |
root |
1.9 |
op->materialname = lmt->name; |
382 |
|
|
return; |
383 |
elmex |
1.1 |
#else |
384 |
|
|
|
385 |
root |
1.9 |
if (op->stats.dam && IS_WEAPON (op)) |
386 |
|
|
{ |
387 |
|
|
op->stats.dam += lmt->damage; |
388 |
|
|
if (op->stats.dam < 1) |
389 |
|
|
op->stats.dam = 1; |
390 |
|
|
} |
391 |
|
|
if (op->stats.sp && op->type == BOW) |
392 |
|
|
op->stats.sp += lmt->sp; |
393 |
|
|
if (op->stats.wc && IS_WEAPON (op)) |
394 |
|
|
op->stats.wc += lmt->wc; |
395 |
|
|
if (IS_ARMOR (op)) |
396 |
|
|
{ |
397 |
|
|
if (op->stats.ac) |
398 |
|
|
op->stats.ac += lmt->ac; |
399 |
|
|
for (j = 0; j < NROFATTACKS; j++) |
400 |
|
|
if (op->resist[j] != 0) |
401 |
|
|
{ |
402 |
|
|
op->resist[j] += lmt->mod[j]; |
403 |
|
|
if (op->resist[j] > 100) |
404 |
|
|
op->resist[j] = 100; |
405 |
|
|
if (op->resist[j] < -100) |
406 |
|
|
op->resist[j] = -100; |
407 |
|
|
} |
408 |
|
|
} |
409 |
|
|
op->materialname = add_string (lmt->name); |
410 |
|
|
/* dont make it unstackable if it doesn't need to be */ |
411 |
|
|
if (IS_WEAPON (op) || IS_ARMOR (op)) |
412 |
|
|
{ |
413 |
|
|
op->weight = (op->weight * lmt->weight) / 100; |
414 |
|
|
op->value = (op->value * lmt->value) / 100; |
415 |
root |
1.2 |
} |
416 |
elmex |
1.1 |
#endif |
417 |
|
|
} |
418 |
|
|
} |
419 |
|
|
|
420 |
|
|
/* |
421 |
|
|
* Strip out the media tags from a String. |
422 |
|
|
* Warning the input string will contain the result string |
423 |
|
|
*/ |
424 |
root |
1.9 |
void |
425 |
|
|
strip_media_tag (char *message) |
426 |
|
|
{ |
427 |
|
|
int in_tag = 0; |
428 |
|
|
char *dest; |
429 |
|
|
char *src; |
430 |
|
|
|
431 |
|
|
src = dest = message; |
432 |
|
|
while (*src != '\0') |
433 |
|
|
{ |
434 |
|
|
if (*src == '[') |
435 |
|
|
{ |
436 |
|
|
in_tag = 1; |
437 |
|
|
} |
438 |
|
|
else if (in_tag && (*src == ']')) |
439 |
|
|
in_tag = 0; |
440 |
|
|
else if (!in_tag) |
441 |
|
|
{ |
442 |
|
|
*dest = *src; |
443 |
|
|
dest++; |
444 |
|
|
} |
445 |
|
|
src++; |
446 |
|
|
} |
447 |
|
|
*dest = '\0'; |
448 |
|
|
} |
449 |
|
|
|
450 |
|
|
const char * |
451 |
|
|
strrstr (const char *haystack, const char *needle) |
452 |
|
|
{ |
453 |
|
|
const char *lastneedle; |
454 |
|
|
|
455 |
|
|
lastneedle = NULL; |
456 |
|
|
while ((haystack = strstr (haystack, needle)) != NULL) |
457 |
|
|
{ |
458 |
|
|
lastneedle = haystack; |
459 |
|
|
haystack++; |
460 |
elmex |
1.1 |
} |
461 |
root |
1.9 |
return lastneedle; |
462 |
|
|
|
463 |
elmex |
1.1 |
} |
464 |
root |
1.9 |
|
465 |
elmex |
1.1 |
#define EOL_SIZE (sizeof("\n")-1) |
466 |
root |
1.9 |
void |
467 |
|
|
strip_endline (char *buf) |
468 |
|
|
{ |
469 |
|
|
if (strlen (buf) < sizeof ("\n")) |
470 |
|
|
{ |
471 |
|
|
return; |
472 |
elmex |
1.1 |
} |
473 |
root |
1.9 |
if (!strcmp (buf + strlen (buf) - EOL_SIZE, "\n")) |
474 |
|
|
buf[strlen (buf) - EOL_SIZE] = '\0'; |
475 |
elmex |
1.1 |
} |
476 |
|
|
|
477 |
|
|
/** |
478 |
|
|
* Replace in string src all occurrences of key by replacement. The resulting |
479 |
|
|
* string is put into result; at most resultsize characters (including the |
480 |
|
|
* terminating null character) will be written to result. |
481 |
|
|
*/ |
482 |
root |
1.9 |
void |
483 |
|
|
replace (const char *src, const char *key, const char *replacement, char *result, size_t resultsize) |
484 |
elmex |
1.1 |
{ |
485 |
root |
1.9 |
size_t resultlen; |
486 |
|
|
size_t keylen; |
487 |
elmex |
1.1 |
|
488 |
root |
1.9 |
/* special case to prevent infinite loop if key==replacement=="" */ |
489 |
|
|
if (strcmp (key, replacement) == 0) |
490 |
|
|
{ |
491 |
|
|
snprintf (result, resultsize, "%s", src); |
492 |
|
|
return; |
493 |
|
|
} |
494 |
|
|
|
495 |
|
|
keylen = strlen (key); |
496 |
|
|
|
497 |
|
|
resultlen = 0; |
498 |
|
|
while (*src != '\0' && resultlen + 1 < resultsize) |
499 |
|
|
{ |
500 |
|
|
if (strncmp (src, key, keylen) == 0) |
501 |
root |
1.2 |
{ |
502 |
root |
1.9 |
snprintf (result + resultlen, resultsize - resultlen, "%s", replacement); |
503 |
|
|
resultlen += strlen (result + resultlen); |
504 |
|
|
src += keylen; |
505 |
root |
1.2 |
} |
506 |
root |
1.9 |
else |
507 |
root |
1.2 |
{ |
508 |
root |
1.9 |
result[resultlen++] = *src++; |
509 |
root |
1.2 |
} |
510 |
root |
1.9 |
} |
511 |
|
|
result[resultlen] = '\0'; |
512 |
elmex |
1.1 |
} |
513 |
|
|
|
514 |
|
|
/** |
515 |
|
|
* Taking a string as an argument, mutate it into a string that looks like a list. |
516 |
|
|
* a 'list' for the purposes here, is a string of items, seperated by commas, except |
517 |
|
|
* for the last entry, which has an 'and' before it, and a full stop (period) after it. |
518 |
|
|
* This function will also strip all trailing non alphanumeric characters. |
519 |
|
|
* It does not insert an oxford comma. |
520 |
|
|
*/ |
521 |
|
|
|
522 |
root |
1.9 |
void |
523 |
|
|
make_list_like (char *input) |
524 |
|
|
{ |
525 |
|
|
char *p, tmp[MAX_BUF]; |
526 |
|
|
int i; |
527 |
|
|
|
528 |
|
|
if (!input || strlen (input) > MAX_BUF - 5) |
529 |
elmex |
1.1 |
return; |
530 |
root |
1.9 |
/* bad stuff would happen if we continued here, the -5 is to make space for ' and ' */ |
531 |
|
|
|
532 |
|
|
strncpy (tmp, input, MAX_BUF - 5); |
533 |
|
|
/*trim all trailing commas, spaces etc. */ |
534 |
|
|
for (i = strlen (tmp); !isalnum (tmp[i]) && i >= 0; i--) |
535 |
|
|
tmp[i] = '\0'; |
536 |
root |
1.11 |
|
537 |
root |
1.9 |
strcat (tmp, "."); |
538 |
|
|
|
539 |
|
|
p = strrchr (tmp, ','); |
540 |
|
|
if (p) |
541 |
|
|
{ |
542 |
|
|
*p = '\0'; |
543 |
|
|
strcpy (input, tmp); |
544 |
|
|
p++; |
545 |
|
|
strcat (input, " and"); |
546 |
|
|
strcat (input, p); |
547 |
|
|
} |
548 |
|
|
else |
549 |
|
|
strcpy (input, tmp); |
550 |
root |
1.11 |
|
551 |
root |
1.9 |
return; |
552 |
elmex |
1.1 |
} |
553 |
root |
1.3 |
|
554 |
root |
1.12 |
void *alloc (int s) throw (std::bad_alloc) |
555 |
root |
1.10 |
{ |
556 |
root |
1.12 |
if (s) |
557 |
|
|
return g_slice_alloc (s); |
558 |
|
|
else |
559 |
|
|
return 0; |
560 |
root |
1.4 |
} |
561 |
|
|
|
562 |
root |
1.12 |
void dealloc (void *p, int s) throw () |
563 |
root |
1.4 |
{ |
564 |
root |
1.12 |
if (s) |
565 |
|
|
g_slice_free1 (s, p); |
566 |
root |
1.3 |
} |
567 |
root |
1.11 |
|
568 |
|
|
void assign (char *dst, const char *src, int maxlen) |
569 |
|
|
{ |
570 |
|
|
if (!src) |
571 |
|
|
src = ""; |
572 |
|
|
|
573 |
|
|
int len = strlen (src); |
574 |
|
|
|
575 |
|
|
if (len >= maxlen - 1) |
576 |
|
|
{ |
577 |
|
|
if (maxlen <= 4) |
578 |
|
|
{ |
579 |
|
|
memset (dst, '.', maxlen - 1); |
580 |
|
|
dst [maxlen - 1] = 0; |
581 |
|
|
} |
582 |
|
|
else |
583 |
|
|
{ |
584 |
|
|
memcpy (dst, src, maxlen - 4); |
585 |
|
|
memcpy (dst + maxlen - 4, "...", 4); |
586 |
|
|
} |
587 |
|
|
} |
588 |
|
|
else |
589 |
|
|
memcpy (dst, src, len + 1); |
590 |
|
|
} |
591 |
|
|
|