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elmex |
1.1 |
/* |
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root |
1.14 |
* This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. |
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pippijn |
1.10 |
* |
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root |
1.14 |
* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
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* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
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* Copyright (©) 1992,2007 Frank Tore Johansen |
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pippijn |
1.10 |
* |
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root |
1.14 |
* Crossfire TRT is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the Free |
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* Software Foundation; either version 2 of the License, or (at your option) |
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* any later version. |
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pippijn |
1.10 |
* |
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root |
1.14 |
* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* for more details. |
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pippijn |
1.10 |
* |
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root |
1.14 |
* You should have received a copy of the GNU General Public License along |
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* with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 |
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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* The authors can be reached via e-mail to <crossfire@schmorp.de> |
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pippijn |
1.10 |
*/ |
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elmex |
1.1 |
|
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#include <global.h> |
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/* |
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* Add a new friendly object to the linked list of friendly objects. |
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* No checking to see if the object is already in the linked list is done. |
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*/ |
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root |
1.5 |
void |
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add_friendly_object (object *op) |
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{ |
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root |
1.9 |
op->flag [FLAG_FRIENDLY] = 1; |
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|
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root |
1.5 |
objectlink *ol; |
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elmex |
1.1 |
|
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root |
1.5 |
/* Add some error checking. This shouldn't happen, but the friendly |
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* object list usually isn't very long, and remove_friendly_object |
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* won't remove it either. Plus, it is easier to put a breakpoint in |
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* the debugger here and see where the problem is happening. |
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*/ |
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root |
1.9 |
for (ol = first_friendly_object; ol; ol = ol->next) |
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root |
1.5 |
{ |
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if (ol->ob == op) |
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{ |
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root |
1.15 |
LOG (llevError | logBacktrace, "add_friendly_object: Trying to add object already on list (%s)\n", &op->name); |
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root |
1.5 |
return; |
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root |
1.2 |
} |
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elmex |
1.1 |
} |
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root |
1.5 |
ol = first_friendly_object; |
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first_friendly_object = get_objectlink (); |
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first_friendly_object->ob = op; |
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first_friendly_object->next = ol; |
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elmex |
1.1 |
} |
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/* |
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* Removes the specified object from the linked list of friendly objects. |
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*/ |
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root |
1.5 |
void |
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remove_friendly_object (object *op) |
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{ |
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objectlink *obj; |
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elmex |
1.1 |
|
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root |
1.5 |
CLEAR_FLAG (op, FLAG_FRIENDLY); |
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elmex |
1.1 |
|
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root |
1.11 |
if (op->type == GOLEM |
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&& op->owner |
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&& op->owner->contr |
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root |
1.12 |
&& op->owner->contr->golem == op) |
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op->owner->contr->golem = 0; |
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root |
1.11 |
|
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root |
1.5 |
if (!first_friendly_object) |
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{ |
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LOG (llevError, "remove_friendly_object called with empty friendly list, remove ob=%s\n", &op->name); |
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return; |
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} |
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root |
1.9 |
|
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root |
1.5 |
/* if the first object happens to be the one, processing is pretty |
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* easy. |
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*/ |
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if (first_friendly_object->ob == op) |
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{ |
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obj = first_friendly_object; |
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first_friendly_object = obj->next; |
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root |
1.7 |
delete obj; |
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elmex |
1.1 |
} |
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root |
1.5 |
else |
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{ |
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objectlink *prev = first_friendly_object; |
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root |
1.9 |
for (obj = first_friendly_object->next; obj; obj = obj->next) |
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root |
1.5 |
{ |
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if (obj->ob == op) |
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break; |
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root |
1.11 |
|
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root |
1.5 |
prev = obj; |
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root |
1.2 |
} |
100 |
root |
1.7 |
|
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root |
1.5 |
if (obj) |
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{ |
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prev->next = obj->next; |
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root |
1.7 |
delete obj; |
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root |
1.2 |
} |
106 |
elmex |
1.1 |
} |
107 |
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} |
108 |
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109 |
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/* |
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root |
1.9 |
* Dumps all friendly objects. |
111 |
elmex |
1.1 |
*/ |
112 |
root |
1.5 |
void |
113 |
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dump_friendly_objects (void) |
114 |
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{ |
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objectlink *ol; |
116 |
elmex |
1.1 |
|
117 |
root |
1.9 |
for (ol = first_friendly_object; ol; ol = ol->next) |
118 |
root |
1.5 |
LOG (llevError, "%s (%d)\n", &ol->ob->name, ol->ob->count); |
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elmex |
1.1 |
} |
120 |
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/* New function, MSW 2000-1-14 |
122 |
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* It traverses the friendly list removing objects that should not be here |
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* (ie, do not have friendly flag set, freed, etc) |
124 |
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*/ |
125 |
root |
1.5 |
void |
126 |
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clean_friendly_list (void) |
127 |
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{ |
128 |
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objectlink *obj, *prev = NULL, *next; |
129 |
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int count = 0; |
130 |
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131 |
root |
1.7 |
for (obj = first_friendly_object; obj; obj = next) |
132 |
root |
1.5 |
{ |
133 |
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next = obj->next; |
134 |
root |
1.7 |
if (QUERY_FLAG (obj->ob, FLAG_FREED) || !QUERY_FLAG (obj->ob, FLAG_FRIENDLY)) |
135 |
root |
1.5 |
{ |
136 |
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if (prev) |
137 |
root |
1.7 |
prev->next = obj->next; |
138 |
root |
1.5 |
else |
139 |
root |
1.7 |
first_friendly_object = obj->next; |
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|
141 |
root |
1.5 |
count++; |
142 |
root |
1.7 |
delete obj; |
143 |
root |
1.2 |
} |
144 |
root |
1.5 |
else |
145 |
root |
1.7 |
/* If we removed the object, then prev is still valid. */ |
146 |
root |
1.5 |
prev = obj; |
147 |
elmex |
1.1 |
} |
148 |
root |
1.7 |
|
149 |
root |
1.5 |
if (count) |
150 |
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LOG (llevDebug, "clean_friendly_list: Removed %d bogus links\n", count); |
151 |
elmex |
1.1 |
} |
152 |
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153 |
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/* Checks if the given object is already in the friendly list or not |
154 |
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* Lauwenmark - 31/07/05 |
155 |
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*/ |
156 |
root |
1.5 |
int |
157 |
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is_friendly (const object *op) |
158 |
elmex |
1.1 |
{ |
159 |
root |
1.5 |
objectlink *ol; |
160 |
elmex |
1.1 |
|
161 |
root |
1.9 |
for (ol = first_friendly_object; ol; ol = ol->next) |
162 |
root |
1.5 |
if (ol->ob == op) |
163 |
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return 1; |
164 |
elmex |
1.1 |
|
165 |
root |
1.5 |
return 0; |
166 |
elmex |
1.1 |
} |
167 |
root |
1.9 |
|