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| 2 | /* |
1 | /* |
| 3 | * static char *rcsid_friend_c = |
2 | * CrossFire, A Multiplayer game for X-windows |
| 4 | * "$Id: friend.C,v 1.5 2006/09/10 16:00:23 root Exp $"; |
3 | * |
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4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
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5 | * Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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6 | * Copyright (C) 1992 Frank Tore Johansen |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or modify |
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9 | * it under the terms of the GNU General Public License as published by |
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10 | * the Free Software Foundation; either version 2 of the License, or |
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11 | * (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 | * |
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22 | * The authors can be reached via e-mail at <crossfire@schmorp.de> |
| 5 | */ |
23 | */ |
| 6 | |
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| 7 | /* |
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| 8 | CrossFire, A Multiplayer game for X-windows |
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| 9 | |
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| 10 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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| 11 | Copyright (C) 1992 Frank Tore Johansen |
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| 12 | |
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| 13 | This program is free software; you can redistribute it and/or modify |
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| 14 | it under the terms of the GNU General Public License as published by |
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| 15 | the Free Software Foundation; either version 2 of the License, or |
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| 16 | (at your option) any later version. |
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| 17 | |
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| 18 | This program is distributed in the hope that it will be useful, |
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| 19 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 20 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 21 | GNU General Public License for more details. |
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| 22 | |
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| 23 | You should have received a copy of the GNU General Public License |
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| 24 | along with this program; if not, write to the Free Software |
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| 25 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 26 | |
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| 27 | The authors can be reached via e-mail at crossfire-devel@real-time.com |
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| 28 | */ |
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| 29 | |
24 | |
| 30 | #include <global.h> |
25 | #include <global.h> |
| 31 | |
26 | |
| 32 | /* |
27 | /* |
| 33 | * Add a new friendly object to the linked list of friendly objects. |
28 | * Add a new friendly object to the linked list of friendly objects. |
| 34 | * No checking to see if the object is already in the linked list is done. |
29 | * No checking to see if the object is already in the linked list is done. |
| 35 | */ |
30 | */ |
| 36 | |
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| 37 | void |
31 | void |
| 38 | add_friendly_object (object *op) |
32 | add_friendly_object (object *op) |
| 39 | { |
33 | { |
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34 | op->flag [FLAG_FRIENDLY] = 1; |
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35 | |
| 40 | objectlink *ol; |
36 | objectlink *ol; |
| 41 | |
37 | |
| 42 | /* Add some error checking. This shouldn't happen, but the friendly |
38 | /* Add some error checking. This shouldn't happen, but the friendly |
| 43 | * object list usually isn't very long, and remove_friendly_object |
39 | * object list usually isn't very long, and remove_friendly_object |
| 44 | * won't remove it either. Plus, it is easier to put a breakpoint in |
40 | * won't remove it either. Plus, it is easier to put a breakpoint in |
| 45 | * the debugger here and see where the problem is happening. |
41 | * the debugger here and see where the problem is happening. |
| 46 | */ |
42 | */ |
| 47 | for (ol = first_friendly_object; ol != NULL; ol = ol->next) |
43 | for (ol = first_friendly_object; ol; ol = ol->next) |
| 48 | { |
44 | { |
| 49 | if (ol->ob == op) |
45 | if (ol->ob == op) |
| 50 | { |
46 | { |
| 51 | LOG (llevError, "add_friendly_object: Trying to add object already on list (%s)\n", &op->name); |
47 | LOG (llevError, "add_friendly_object: Trying to add object already on list (%s)\n", &op->name); |
| 52 | return; |
48 | return; |
| … | |
… | |
| 54 | } |
50 | } |
| 55 | |
51 | |
| 56 | ol = first_friendly_object; |
52 | ol = first_friendly_object; |
| 57 | first_friendly_object = get_objectlink (); |
53 | first_friendly_object = get_objectlink (); |
| 58 | first_friendly_object->ob = op; |
54 | first_friendly_object->ob = op; |
| 59 | first_friendly_object->id = op->count; |
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| 60 | first_friendly_object->next = ol; |
55 | first_friendly_object->next = ol; |
| 61 | } |
56 | } |
| 62 | |
57 | |
| 63 | /* |
58 | /* |
| 64 | * Removes the specified object from the linked list of friendly objects. |
59 | * Removes the specified object from the linked list of friendly objects. |
| 65 | */ |
60 | */ |
| 66 | |
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| 67 | void |
61 | void |
| 68 | remove_friendly_object (object *op) |
62 | remove_friendly_object (object *op) |
| 69 | { |
63 | { |
| 70 | objectlink *obj; |
64 | objectlink *obj; |
| 71 | |
65 | |
| … | |
… | |
| 74 | if (!first_friendly_object) |
68 | if (!first_friendly_object) |
| 75 | { |
69 | { |
| 76 | LOG (llevError, "remove_friendly_object called with empty friendly list, remove ob=%s\n", &op->name); |
70 | LOG (llevError, "remove_friendly_object called with empty friendly list, remove ob=%s\n", &op->name); |
| 77 | return; |
71 | return; |
| 78 | } |
72 | } |
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73 | |
| 79 | /* if the first object happens to be the one, processing is pretty |
74 | /* if the first object happens to be the one, processing is pretty |
| 80 | * easy. |
75 | * easy. |
| 81 | */ |
76 | */ |
| 82 | if (first_friendly_object->ob == op) |
77 | if (first_friendly_object->ob == op) |
| 83 | { |
78 | { |
| 84 | obj = first_friendly_object; |
79 | obj = first_friendly_object; |
| 85 | first_friendly_object = obj->next; |
80 | first_friendly_object = obj->next; |
| 86 | free (obj); |
81 | delete obj; |
| 87 | } |
82 | } |
| 88 | else |
83 | else |
| 89 | { |
84 | { |
| 90 | objectlink *prev = first_friendly_object; |
85 | objectlink *prev = first_friendly_object; |
| 91 | |
86 | |
| 92 | for (obj = first_friendly_object->next; obj != NULL; obj = obj->next) |
87 | for (obj = first_friendly_object->next; obj; obj = obj->next) |
| 93 | { |
88 | { |
| 94 | if (obj->ob == op) |
89 | if (obj->ob == op) |
| 95 | break; |
90 | break; |
| 96 | prev = obj; |
91 | prev = obj; |
| 97 | } |
92 | } |
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93 | |
| 98 | if (obj) |
94 | if (obj) |
| 99 | { |
95 | { |
| 100 | /* This should not happen. But if it does, presumably the |
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| 101 | * call to remove it is still valid. |
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| 102 | */ |
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| 103 | if (obj->id != op->count) |
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| 104 | { |
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| 105 | LOG (llevError, "remove_friendly_object, tags do no match, %s, %d != %d\n", |
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| 106 | op->name ? (const char *) op->name : "none", op->count, obj->id); |
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| 107 | } |
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| 108 | prev->next = obj->next; |
96 | prev->next = obj->next; |
| 109 | free (obj); |
97 | delete obj; |
| 110 | } |
98 | } |
| 111 | } |
99 | } |
| 112 | } |
100 | } |
| 113 | |
101 | |
| 114 | /* |
102 | /* |
| 115 | * Dumps all friendly objects. Invoked in DM-mode with the G key. |
103 | * Dumps all friendly objects. |
| 116 | */ |
104 | */ |
| 117 | |
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| 118 | void |
105 | void |
| 119 | dump_friendly_objects (void) |
106 | dump_friendly_objects (void) |
| 120 | { |
107 | { |
| 121 | objectlink *ol; |
108 | objectlink *ol; |
| 122 | |
109 | |
| 123 | for (ol = first_friendly_object; ol != NULL; ol = ol->next) |
110 | for (ol = first_friendly_object; ol; ol = ol->next) |
| 124 | LOG (llevError, "%s (%d)\n", &ol->ob->name, ol->ob->count); |
111 | LOG (llevError, "%s (%d)\n", &ol->ob->name, ol->ob->count); |
| 125 | } |
112 | } |
| 126 | |
113 | |
| 127 | /* New function, MSW 2000-1-14 |
114 | /* New function, MSW 2000-1-14 |
| 128 | * It traverses the friendly list removing objects that should not be here |
115 | * It traverses the friendly list removing objects that should not be here |
| … | |
… | |
| 132 | clean_friendly_list (void) |
119 | clean_friendly_list (void) |
| 133 | { |
120 | { |
| 134 | objectlink *obj, *prev = NULL, *next; |
121 | objectlink *obj, *prev = NULL, *next; |
| 135 | int count = 0; |
122 | int count = 0; |
| 136 | |
123 | |
| 137 | for (obj = first_friendly_object; obj != NULL; obj = next) |
124 | for (obj = first_friendly_object; obj; obj = next) |
| 138 | { |
125 | { |
| 139 | next = obj->next; |
126 | next = obj->next; |
| 140 | if (QUERY_FLAG (obj->ob, FLAG_FREED) || !QUERY_FLAG (obj->ob, FLAG_FRIENDLY) || (obj->id != obj->ob->count)) |
127 | if (QUERY_FLAG (obj->ob, FLAG_FREED) || !QUERY_FLAG (obj->ob, FLAG_FRIENDLY)) |
| 141 | { |
128 | { |
| 142 | if (prev) |
129 | if (prev) |
| 143 | { |
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| 144 | prev->next = obj->next; |
130 | prev->next = obj->next; |
| 145 | } |
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| 146 | else |
131 | else |
| 147 | { |
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| 148 | first_friendly_object = obj->next; |
132 | first_friendly_object = obj->next; |
| 149 | } |
133 | |
| 150 | count++; |
134 | count++; |
| 151 | free (obj); |
135 | delete obj; |
| 152 | } |
136 | } |
| 153 | /* If we removed the object, then prev is still valid. */ |
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| 154 | else |
137 | else |
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138 | /* If we removed the object, then prev is still valid. */ |
| 155 | prev = obj; |
139 | prev = obj; |
| 156 | } |
140 | } |
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141 | |
| 157 | if (count) |
142 | if (count) |
| 158 | LOG (llevDebug, "clean_friendly_list: Removed %d bogus links\n", count); |
143 | LOG (llevDebug, "clean_friendly_list: Removed %d bogus links\n", count); |
| 159 | } |
144 | } |
| 160 | |
145 | |
| 161 | /* Checks if the given object is already in the friendly list or not |
146 | /* Checks if the given object is already in the friendly list or not |
| … | |
… | |
| 164 | int |
149 | int |
| 165 | is_friendly (const object *op) |
150 | is_friendly (const object *op) |
| 166 | { |
151 | { |
| 167 | objectlink *ol; |
152 | objectlink *ol; |
| 168 | |
153 | |
| 169 | for (ol = first_friendly_object; ol != NULL; ol = ol->next) |
154 | for (ol = first_friendly_object; ol; ol = ol->next) |
| 170 | if (ol->ob == op) |
155 | if (ol->ob == op) |
| 171 | return 1; |
156 | return 1; |
| 172 | |
157 | |
| 173 | return 0; |
158 | return 0; |
| 174 | } |
159 | } |
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160 | |
