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/cvs/deliantra/server/common/friend.C
Revision: 1.30
Committed: Wed Nov 16 23:41:59 2016 UTC (7 years, 6 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.29: +1 -1 lines
Log Message:
copyright update 2016

File Contents

# Content
1 /*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * the terms of the Affero GNU General Public License as published by the
10 * Free Software Foundation, either version 3 of the License, or (at your
11 * 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 Affero GNU General Public License
19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
21 *
22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */
24
25 #include <global.h>
26
27 /*
28 * Add a new friendly object to the linked list of friendly objects.
29 * No checking to see if the object is already in the linked list is done.
30 */
31 void
32 add_friendly_object (object *op)
33 {
34 op->flag [FLAG_FRIENDLY] = 1;
35
36 objectlink *ol;
37
38 /* Add some error checking. This shouldn't happen, but the friendly
39 * object list usually isn't very long, and remove_friendly_object
40 * won't remove it either. Plus, it is easier to put a breakpoint in
41 * the debugger here and see where the problem is happening.
42 */
43 for (ol = first_friendly_object; ol; ol = ol->next)
44 {
45 if (ol->ob == op)
46 {
47 LOG (llevError | logBacktrace, "add_friendly_object: Trying to add object already on list (%s)\n", &op->name);
48 return;
49 }
50 }
51
52 ol = first_friendly_object;
53 first_friendly_object = get_objectlink ();
54 first_friendly_object->ob = op;
55 first_friendly_object->next = ol;
56 }
57
58 /*
59 * Removes the specified object from the linked list of friendly objects.
60 */
61 void
62 remove_friendly_object (object *op)
63 {
64 objectlink *obj;
65
66 op->clr_flag (FLAG_FRIENDLY);
67
68 if (op->type == GOLEM
69 && op->owner
70 && op->owner->contr
71 && op->owner->contr->golem == op)
72 op->owner->contr->golem = 0;
73
74 if (!first_friendly_object)
75 {
76 LOG (llevError, "remove_friendly_object called with empty friendly list, remove ob=%s\n", &op->name);
77 return;
78 }
79
80 /* if the first object happens to be the one, processing is pretty
81 * easy.
82 */
83 if (first_friendly_object->ob == op)
84 {
85 obj = first_friendly_object;
86 first_friendly_object = obj->next;
87 delete obj;
88 }
89 else
90 {
91 objectlink *prev = first_friendly_object;
92
93 for (obj = first_friendly_object->next; obj; obj = obj->next)
94 {
95 if (obj->ob == op)
96 break;
97
98 prev = obj;
99 }
100
101 if (obj)
102 {
103 prev->next = obj->next;
104 delete obj;
105 }
106 }
107 }
108
109 /* New function, MSW 2000-1-14
110 * It traverses the friendly list removing objects that should not be here
111 * (ie, do not have friendly flag set, freed, etc)
112 */
113 void
114 clean_friendly_list ()
115 {
116 objectlink *obj, *prev = NULL, *next;
117 int count = 0;
118
119 for (obj = first_friendly_object; obj; obj = next)
120 {
121 next = obj->next;
122 if (obj->ob->flag [FLAG_FREED] || !obj->ob->flag [FLAG_FRIENDLY])
123 {
124 if (prev)
125 prev->next = obj->next;
126 else
127 first_friendly_object = obj->next;
128
129 count++;
130 delete obj;
131 }
132 else
133 /* If we removed the object, then prev is still valid. */
134 prev = obj;
135 }
136
137 if (count)
138 LOG (llevDebug, "clean_friendly_list: Removed %d bogus links\n", count);
139 }
140