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/cvs/deliantra/server/common/friend.C
Revision: 1.18
Committed: Tue May 6 16:55:25 2008 UTC (16 years ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-2_6, rel-2_7, rel-2_72, rel-2_73, rel-2_71, rel-2_74, rel-2_54, rel-2_55, rel-2_56, rel-2_61
Changes since 1.17: +1 -1 lines
Log Message:
update copyright

File Contents

# Content
1 /*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */
23
24 #include <global.h>
25
26 /*
27 * Add a new friendly object to the linked list of friendly objects.
28 * No checking to see if the object is already in the linked list is done.
29 */
30 void
31 add_friendly_object (object *op)
32 {
33 op->flag [FLAG_FRIENDLY] = 1;
34
35 objectlink *ol;
36
37 /* Add some error checking. This shouldn't happen, but the friendly
38 * object list usually isn't very long, and remove_friendly_object
39 * won't remove it either. Plus, it is easier to put a breakpoint in
40 * the debugger here and see where the problem is happening.
41 */
42 for (ol = first_friendly_object; ol; ol = ol->next)
43 {
44 if (ol->ob == op)
45 {
46 LOG (llevError | logBacktrace, "add_friendly_object: Trying to add object already on list (%s)\n", &op->name);
47 return;
48 }
49 }
50
51 ol = first_friendly_object;
52 first_friendly_object = get_objectlink ();
53 first_friendly_object->ob = op;
54 first_friendly_object->next = ol;
55 }
56
57 /*
58 * Removes the specified object from the linked list of friendly objects.
59 */
60 void
61 remove_friendly_object (object *op)
62 {
63 objectlink *obj;
64
65 CLEAR_FLAG (op, FLAG_FRIENDLY);
66
67 if (op->type == GOLEM
68 && op->owner
69 && op->owner->contr
70 && op->owner->contr->golem == op)
71 op->owner->contr->golem = 0;
72
73 if (!first_friendly_object)
74 {
75 LOG (llevError, "remove_friendly_object called with empty friendly list, remove ob=%s\n", &op->name);
76 return;
77 }
78
79 /* if the first object happens to be the one, processing is pretty
80 * easy.
81 */
82 if (first_friendly_object->ob == op)
83 {
84 obj = first_friendly_object;
85 first_friendly_object = obj->next;
86 delete obj;
87 }
88 else
89 {
90 objectlink *prev = first_friendly_object;
91
92 for (obj = first_friendly_object->next; obj; obj = obj->next)
93 {
94 if (obj->ob == op)
95 break;
96
97 prev = obj;
98 }
99
100 if (obj)
101 {
102 prev->next = obj->next;
103 delete obj;
104 }
105 }
106 }
107
108 /*
109 * Dumps all friendly objects.
110 */
111 void
112 dump_friendly_objects (void)
113 {
114 objectlink *ol;
115
116 for (ol = first_friendly_object; ol; ol = ol->next)
117 LOG (llevError, "%s (%d)\n", &ol->ob->name, ol->ob->count);
118 }
119
120 /* New function, MSW 2000-1-14
121 * It traverses the friendly list removing objects that should not be here
122 * (ie, do not have friendly flag set, freed, etc)
123 */
124 void
125 clean_friendly_list (void)
126 {
127 objectlink *obj, *prev = NULL, *next;
128 int count = 0;
129
130 for (obj = first_friendly_object; obj; obj = next)
131 {
132 next = obj->next;
133 if (QUERY_FLAG (obj->ob, FLAG_FREED) || !QUERY_FLAG (obj->ob, FLAG_FRIENDLY))
134 {
135 if (prev)
136 prev->next = obj->next;
137 else
138 first_friendly_object = obj->next;
139
140 count++;
141 delete obj;
142 }
143 else
144 /* If we removed the object, then prev is still valid. */
145 prev = obj;
146 }
147
148 if (count)
149 LOG (llevDebug, "clean_friendly_list: Removed %d bogus links\n", count);
150 }
151
152 /* Checks if the given object is already in the friendly list or not
153 * Lauwenmark - 31/07/05
154 */
155 int
156 is_friendly (const object *op)
157 {
158 objectlink *ol;
159
160 for (ol = first_friendly_object; ol; ol = ol->next)
161 if (ol->ob == op)
162 return 1;
163
164 return 0;
165 }
166