1 | /* |
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2 | * static char *rcsid_friend_c = |
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3 | * "$Id: friend.C,v 1.4 2006/09/03 00:18:39 root Exp $"; |
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4 | */ |
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5 | |
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6 | /* |
1 | /* |
7 | CrossFire, A Multiplayer game for X-windows |
2 | CrossFire, A Multiplayer game for X-windows |
8 | |
3 | |
9 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
4 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
10 | Copyright (C) 1992 Frank Tore Johansen |
5 | Copyright (C) 1992 Frank Tore Johansen |
… | |
… | |
21 | |
16 | |
22 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License |
23 | along with this program; if not, write to the Free Software |
18 | along with this program; if not, write to the Free Software |
24 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
25 | |
20 | |
26 | The authors can be reached via e-mail at crossfire-devel@real-time.com |
21 | The authors can be reached via e-mail at <crossfire@schmorp.de> |
27 | */ |
22 | */ |
28 | |
23 | |
29 | #include <global.h> |
24 | #include <global.h> |
30 | |
25 | |
31 | /* |
26 | /* |
32 | * Add a new friendly object to the linked list of friendly objects. |
27 | * Add a new friendly object to the linked list of friendly objects. |
33 | * No checking to see if the object is already in the linked list is done. |
28 | * No checking to see if the object is already in the linked list is done. |
34 | */ |
29 | */ |
35 | |
30 | |
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31 | void |
36 | void add_friendly_object(object *op) { |
32 | add_friendly_object (object *op) |
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33 | { |
37 | objectlink *ol; |
34 | objectlink *ol; |
38 | |
35 | |
39 | /* Add some error checking. This shouldn't happen, but the friendly |
36 | /* Add some error checking. This shouldn't happen, but the friendly |
40 | * object list usually isn't very long, and remove_friendly_object |
37 | * object list usually isn't very long, and remove_friendly_object |
41 | * won't remove it either. Plus, it is easier to put a breakpoint in |
38 | * won't remove it either. Plus, it is easier to put a breakpoint in |
42 | * the debugger here and see where the problem is happening. |
39 | * the debugger here and see where the problem is happening. |
43 | */ |
40 | */ |
44 | for (ol=first_friendly_object; ol!=NULL; ol=ol->next) { |
41 | for (ol = first_friendly_object; ol != NULL; ol = ol->next) |
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42 | { |
45 | if (ol->ob == op) { |
43 | if (ol->ob == op) |
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44 | { |
46 | LOG(llevError, "add_friendly_object: Trying to add object already on list (%s)\n", |
45 | LOG (llevError, "add_friendly_object: Trying to add object already on list (%s)\n", &op->name); |
47 | &op->name); |
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48 | return; |
46 | return; |
49 | } |
47 | } |
50 | } |
48 | } |
51 | |
49 | |
52 | ol=first_friendly_object; |
50 | ol = first_friendly_object; |
53 | first_friendly_object=get_objectlink(); |
51 | first_friendly_object = get_objectlink (); |
54 | first_friendly_object->ob = op; |
52 | first_friendly_object->ob = op; |
55 | first_friendly_object->id = op->count; |
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56 | first_friendly_object->next=ol; |
53 | first_friendly_object->next = ol; |
57 | } |
54 | } |
58 | |
55 | |
59 | /* |
56 | /* |
60 | * Removes the specified object from the linked list of friendly objects. |
57 | * Removes the specified object from the linked list of friendly objects. |
61 | */ |
58 | */ |
62 | |
59 | |
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60 | void |
63 | void remove_friendly_object(object *op) { |
61 | remove_friendly_object (object *op) |
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62 | { |
64 | objectlink *obj; |
63 | objectlink *obj; |
65 | |
64 | |
66 | CLEAR_FLAG(op,FLAG_FRIENDLY); |
65 | CLEAR_FLAG (op, FLAG_FRIENDLY); |
67 | |
66 | |
68 | if (!first_friendly_object) { |
67 | if (!first_friendly_object) |
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68 | { |
69 | LOG(llevError,"remove_friendly_object called with empty friendly list, remove ob=%s\n", &op->name); |
69 | LOG (llevError, "remove_friendly_object called with empty friendly list, remove ob=%s\n", &op->name); |
70 | return; |
70 | return; |
71 | } |
71 | } |
72 | /* if the first object happens to be the one, processing is pretty |
72 | /* if the first object happens to be the one, processing is pretty |
73 | * easy. |
73 | * easy. |
74 | */ |
74 | */ |
75 | if(first_friendly_object->ob==op) { |
75 | if (first_friendly_object->ob == op) |
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76 | { |
76 | obj=first_friendly_object; |
77 | obj = first_friendly_object; |
77 | first_friendly_object=obj->next; |
78 | first_friendly_object = obj->next; |
78 | free(obj); |
79 | delete obj; |
79 | } else { |
80 | } |
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81 | else |
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82 | { |
80 | objectlink *prev=first_friendly_object; |
83 | objectlink *prev = first_friendly_object; |
81 | |
84 | |
82 | for (obj=first_friendly_object->next; obj!=NULL; obj=obj->next) { |
85 | for (obj = first_friendly_object->next; obj != NULL; obj = obj->next) |
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86 | { |
83 | if (obj->ob == op) break; |
87 | if (obj->ob == op) |
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88 | break; |
84 | prev=obj; |
89 | prev = obj; |
85 | } |
90 | } |
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91 | |
86 | if (obj) { |
92 | if (obj) |
87 | /* This should not happen. But if it does, presumably the |
93 | { |
88 | * call to remove it is still valid. |
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89 | */ |
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90 | if (obj->id != op->count) { |
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91 | LOG(llevError,"remove_friendly_object, tags do no match, %s, %d != %d\n", |
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92 | op->name?(const char *)op->name:"none", op->count, obj->id); |
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93 | } |
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94 | prev->next = obj->next; |
94 | prev->next = obj->next; |
95 | free(obj); |
95 | delete obj; |
96 | } |
96 | } |
97 | } |
97 | } |
98 | } |
98 | } |
99 | |
99 | |
100 | /* |
100 | /* |
101 | * Dumps all friendly objects. Invoked in DM-mode with the G key. |
101 | * Dumps all friendly objects. Invoked in DM-mode with the G key. |
102 | */ |
102 | */ |
103 | |
103 | |
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104 | void |
104 | void dump_friendly_objects(void) { |
105 | dump_friendly_objects (void) |
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106 | { |
105 | objectlink *ol; |
107 | objectlink *ol; |
106 | |
108 | |
107 | for(ol=first_friendly_object;ol!=NULL;ol=ol->next) |
109 | for (ol = first_friendly_object; ol != NULL; ol = ol->next) |
108 | LOG(llevError, "%s (%d)\n", &ol->ob->name, ol->ob->count); |
110 | LOG (llevError, "%s (%d)\n", &ol->ob->name, ol->ob->count); |
109 | } |
111 | } |
110 | |
112 | |
111 | /* New function, MSW 2000-1-14 |
113 | /* New function, MSW 2000-1-14 |
112 | * It traverses the friendly list removing objects that should not be here |
114 | * It traverses the friendly list removing objects that should not be here |
113 | * (ie, do not have friendly flag set, freed, etc) |
115 | * (ie, do not have friendly flag set, freed, etc) |
114 | */ |
116 | */ |
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117 | void |
115 | void clean_friendly_list(void) { |
118 | clean_friendly_list (void) |
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119 | { |
116 | objectlink *obj, *prev=NULL, *next; |
120 | objectlink *obj, *prev = NULL, *next; |
117 | int count=0; |
121 | int count = 0; |
118 | |
122 | |
119 | for (obj=first_friendly_object; obj!=NULL; obj=next) { |
123 | for (obj = first_friendly_object; obj; obj = next) |
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124 | { |
120 | next=obj->next; |
125 | next = obj->next; |
121 | if (QUERY_FLAG(obj->ob, FLAG_FREED) || |
126 | if (QUERY_FLAG (obj->ob, FLAG_FREED) || !QUERY_FLAG (obj->ob, FLAG_FRIENDLY)) |
122 | !QUERY_FLAG(obj->ob, FLAG_FRIENDLY) || |
127 | { |
123 | (obj->id != obj->ob->count)) { |
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124 | if (prev) { |
128 | if (prev) |
125 | prev->next = obj->next; |
129 | prev->next = obj->next; |
126 | } |
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127 | else { |
130 | else |
128 | first_friendly_object = obj->next; |
131 | first_friendly_object = obj->next; |
129 | } |
132 | |
130 | count++; |
133 | count++; |
131 | free(obj); |
134 | delete obj; |
132 | } |
135 | } |
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136 | else |
133 | /* If we removed the object, then prev is still valid. */ |
137 | /* If we removed the object, then prev is still valid. */ |
134 | else prev=obj; |
138 | prev = obj; |
135 | } |
139 | } |
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140 | |
136 | if (count) |
141 | if (count) |
137 | LOG(llevDebug,"clean_friendly_list: Removed %d bogus links\n", count); |
142 | LOG (llevDebug, "clean_friendly_list: Removed %d bogus links\n", count); |
138 | } |
143 | } |
139 | |
144 | |
140 | /* Checks if the given object is already in the friendly list or not |
145 | /* Checks if the given object is already in the friendly list or not |
141 | * Lauwenmark - 31/07/05 |
146 | * Lauwenmark - 31/07/05 |
142 | */ |
147 | */ |
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148 | int |
143 | int is_friendly(const object* op) |
149 | is_friendly (const object *op) |
144 | { |
150 | { |
145 | objectlink *ol; |
151 | objectlink *ol; |
146 | |
152 | |
147 | for(ol=first_friendly_object;ol!=NULL;ol=ol->next) |
153 | for (ol = first_friendly_object; ol != NULL; ol = ol->next) |
148 | if (ol->ob == op) |
154 | if (ol->ob == op) |
149 | return 1; |
155 | return 1; |
150 | |
156 | |
151 | return 0; |
157 | return 0; |
152 | } |
158 | } |
153 | |
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