1 | /* |
1 | /* |
2 | CrossFire, A Multiplayer game for X-windows |
2 | CrossFire, A Multiplayer game for X-windows |
3 | |
3 | |
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4 | Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | Copyright (C) 1992 Frank Tore Johansen |
6 | Copyright (C) 1992 Frank Tore Johansen |
6 | |
7 | |
7 | This program is free software; you can redistribute it and/or modify |
8 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by |
9 | it under the terms of the GNU General Public License as published by |
… | |
… | |
25 | |
26 | |
26 | /* |
27 | /* |
27 | * 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. |
28 | * 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. |
29 | */ |
30 | */ |
30 | |
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31 | void |
31 | void |
32 | add_friendly_object (object *op) |
32 | add_friendly_object (object *op) |
33 | { |
33 | { |
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34 | op->flag [FLAG_FRIENDLY] = 1; |
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35 | |
34 | objectlink *ol; |
36 | objectlink *ol; |
35 | |
37 | |
36 | /* Add some error checking. This shouldn't happen, but the friendly |
38 | /* Add some error checking. This shouldn't happen, but the friendly |
37 | * object list usually isn't very long, and remove_friendly_object |
39 | * object list usually isn't very long, and remove_friendly_object |
38 | * 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 |
39 | * the debugger here and see where the problem is happening. |
41 | * the debugger here and see where the problem is happening. |
40 | */ |
42 | */ |
41 | for (ol = first_friendly_object; ol != NULL; ol = ol->next) |
43 | for (ol = first_friendly_object; ol; ol = ol->next) |
42 | { |
44 | { |
43 | if (ol->ob == op) |
45 | if (ol->ob == op) |
44 | { |
46 | { |
45 | 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); |
46 | return; |
48 | return; |
… | |
… | |
48 | } |
50 | } |
49 | |
51 | |
50 | ol = first_friendly_object; |
52 | ol = first_friendly_object; |
51 | first_friendly_object = get_objectlink (); |
53 | first_friendly_object = get_objectlink (); |
52 | first_friendly_object->ob = op; |
54 | first_friendly_object->ob = op; |
53 | first_friendly_object->id = op->count; |
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54 | first_friendly_object->next = ol; |
55 | first_friendly_object->next = ol; |
55 | } |
56 | } |
56 | |
57 | |
57 | /* |
58 | /* |
58 | * Removes the specified object from the linked list of friendly objects. |
59 | * Removes the specified object from the linked list of friendly objects. |
59 | */ |
60 | */ |
60 | |
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61 | void |
61 | void |
62 | remove_friendly_object (object *op) |
62 | remove_friendly_object (object *op) |
63 | { |
63 | { |
64 | objectlink *obj; |
64 | objectlink *obj; |
65 | |
65 | |
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… | |
68 | if (!first_friendly_object) |
68 | if (!first_friendly_object) |
69 | { |
69 | { |
70 | 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); |
71 | return; |
71 | return; |
72 | } |
72 | } |
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73 | |
73 | /* 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 |
74 | * easy. |
75 | * easy. |
75 | */ |
76 | */ |
76 | if (first_friendly_object->ob == op) |
77 | if (first_friendly_object->ob == op) |
77 | { |
78 | { |
78 | obj = first_friendly_object; |
79 | obj = first_friendly_object; |
79 | first_friendly_object = obj->next; |
80 | first_friendly_object = obj->next; |
80 | free (obj); |
81 | delete obj; |
81 | } |
82 | } |
82 | else |
83 | else |
83 | { |
84 | { |
84 | objectlink *prev = first_friendly_object; |
85 | objectlink *prev = first_friendly_object; |
85 | |
86 | |
86 | for (obj = first_friendly_object->next; obj != NULL; obj = obj->next) |
87 | for (obj = first_friendly_object->next; obj; obj = obj->next) |
87 | { |
88 | { |
88 | if (obj->ob == op) |
89 | if (obj->ob == op) |
89 | break; |
90 | break; |
90 | prev = obj; |
91 | prev = obj; |
91 | } |
92 | } |
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93 | |
92 | if (obj) |
94 | if (obj) |
93 | { |
95 | { |
94 | /* This should not happen. But if it does, presumably the |
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95 | * call to remove it is still valid. |
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96 | */ |
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97 | if (obj->id != op->count) |
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98 | { |
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99 | LOG (llevError, "remove_friendly_object, tags do no match, %s, %d != %d\n", |
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100 | op->name ? (const char *) op->name : "none", op->count, obj->id); |
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101 | } |
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102 | prev->next = obj->next; |
96 | prev->next = obj->next; |
103 | free (obj); |
97 | delete obj; |
104 | } |
98 | } |
105 | } |
99 | } |
106 | } |
100 | } |
107 | |
101 | |
108 | /* |
102 | /* |
109 | * Dumps all friendly objects. Invoked in DM-mode with the G key. |
103 | * Dumps all friendly objects. |
110 | */ |
104 | */ |
111 | |
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112 | void |
105 | void |
113 | dump_friendly_objects (void) |
106 | dump_friendly_objects (void) |
114 | { |
107 | { |
115 | objectlink *ol; |
108 | objectlink *ol; |
116 | |
109 | |
117 | for (ol = first_friendly_object; ol != NULL; ol = ol->next) |
110 | for (ol = first_friendly_object; ol; ol = ol->next) |
118 | LOG (llevError, "%s (%d)\n", &ol->ob->name, ol->ob->count); |
111 | LOG (llevError, "%s (%d)\n", &ol->ob->name, ol->ob->count); |
119 | } |
112 | } |
120 | |
113 | |
121 | /* New function, MSW 2000-1-14 |
114 | /* New function, MSW 2000-1-14 |
122 | * 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 |
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126 | clean_friendly_list (void) |
119 | clean_friendly_list (void) |
127 | { |
120 | { |
128 | objectlink *obj, *prev = NULL, *next; |
121 | objectlink *obj, *prev = NULL, *next; |
129 | int count = 0; |
122 | int count = 0; |
130 | |
123 | |
131 | for (obj = first_friendly_object; obj != NULL; obj = next) |
124 | for (obj = first_friendly_object; obj; obj = next) |
132 | { |
125 | { |
133 | next = obj->next; |
126 | next = obj->next; |
134 | 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)) |
135 | { |
128 | { |
136 | if (prev) |
129 | if (prev) |
137 | { |
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138 | prev->next = obj->next; |
130 | prev->next = obj->next; |
139 | } |
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140 | else |
131 | else |
141 | { |
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142 | first_friendly_object = obj->next; |
132 | first_friendly_object = obj->next; |
143 | } |
133 | |
144 | count++; |
134 | count++; |
145 | free (obj); |
135 | delete obj; |
146 | } |
136 | } |
147 | /* If we removed the object, then prev is still valid. */ |
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148 | else |
137 | else |
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138 | /* If we removed the object, then prev is still valid. */ |
149 | prev = obj; |
139 | prev = obj; |
150 | } |
140 | } |
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141 | |
151 | if (count) |
142 | if (count) |
152 | LOG (llevDebug, "clean_friendly_list: Removed %d bogus links\n", count); |
143 | LOG (llevDebug, "clean_friendly_list: Removed %d bogus links\n", count); |
153 | } |
144 | } |
154 | |
145 | |
155 | /* 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 |
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158 | int |
149 | int |
159 | is_friendly (const object *op) |
150 | is_friendly (const object *op) |
160 | { |
151 | { |
161 | objectlink *ol; |
152 | objectlink *ol; |
162 | |
153 | |
163 | for (ol = first_friendly_object; ol != NULL; ol = ol->next) |
154 | for (ol = first_friendly_object; ol; ol = ol->next) |
164 | if (ol->ob == op) |
155 | if (ol->ob == op) |
165 | return 1; |
156 | return 1; |
166 | |
157 | |
167 | return 0; |
158 | return 0; |
168 | } |
159 | } |
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160 | |