1 |
elmex |
1.1 |
/* |
2 |
pippijn |
1.16 |
* CrossFire, A Multiplayer game for X-windows |
3 |
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* |
4 |
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* Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
5 |
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* Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team |
6 |
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* Copyright (C) 1992 Frank Tore Johansen |
7 |
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* |
8 |
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* This program is free software; you can redistribute it and/or modify |
9 |
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* it under the terms of the GNU General Public License as published by |
10 |
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* the Free Software Foundation; either version 2 of the License, or |
11 |
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* (at your option) any later version. |
12 |
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* |
13 |
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* This program is distributed in the hope that it will be useful, |
14 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 |
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* GNU General Public License for more details. |
17 |
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* |
18 |
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* You should have received a copy of the GNU General Public License |
19 |
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* along with this program; if not, write to the Free Software |
20 |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 |
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* |
22 |
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* The authors can be reached via e-mail at <crossfire@schmorp.de> |
23 |
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*/ |
24 |
elmex |
1.1 |
|
25 |
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#include <global.h> |
26 |
pippijn |
1.8 |
#include <unistd.h> |
27 |
root |
1.4 |
|
28 |
root |
1.18 |
region * |
29 |
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region::default_region () |
30 |
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{ |
31 |
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for (region *reg = first_region; reg; reg = reg->next) |
32 |
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if (reg->fallback) |
33 |
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return reg; |
34 |
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|
35 |
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return first_region; |
36 |
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} |
37 |
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|
38 |
elmex |
1.1 |
/* |
39 |
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* Pass a char array, returns a pointer to the region of the same name. |
40 |
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* if it can't find a region of the same name it returns the first region |
41 |
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* with the 'fallback' property set. |
42 |
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* if it can't find a matching name /or/ a fallback region it logs an info message |
43 |
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* message and returns NULL |
44 |
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* used by the map parsing code. |
45 |
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*/ |
46 |
root |
1.4 |
region * |
47 |
root |
1.18 |
region::find (const char *name) |
48 |
root |
1.4 |
{ |
49 |
root |
1.18 |
for (region *reg = first_region; reg; reg = reg->next) |
50 |
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if (!strcmp (reg->name, name)) |
51 |
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return reg; |
52 |
root |
1.4 |
|
53 |
root |
1.18 |
LOG (llevError, "region called %s requested, but not found, using fallback.\n", name); |
54 |
root |
1.4 |
|
55 |
root |
1.18 |
return default_region (); |
56 |
elmex |
1.1 |
} |
57 |
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|
58 |
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/* |
59 |
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* Tries to find a region that 'name' corresponds to. |
60 |
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* It looks, in order, for: |
61 |
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* an exact match to region name (case insensitive) |
62 |
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* an exact match to longname (case insensitive) |
63 |
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* a substring that matches to the longname (eg Kingdom) |
64 |
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* a substring that matches to the region name (eg nav) |
65 |
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* if it can find none of these it returns the first parentless region |
66 |
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* (there should be only one of these - the top level one) |
67 |
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* If we got a NULL, then just return the top level region |
68 |
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* |
69 |
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*/ |
70 |
root |
1.4 |
region * |
71 |
root |
1.19 |
region::find_fuzzy (const char *name) |
72 |
root |
1.4 |
{ |
73 |
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region *reg; |
74 |
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char *substr; |
75 |
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char *p; |
76 |
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|
77 |
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if (name == NULL) |
78 |
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{ |
79 |
root |
1.19 |
for (reg = first_region; reg->parent; reg = reg->parent) |
80 |
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; |
81 |
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|
82 |
root |
1.4 |
return reg; |
83 |
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} |
84 |
root |
1.19 |
|
85 |
root |
1.4 |
p = strchr (name, '\n'); |
86 |
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if (p) |
87 |
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*p = '\0'; |
88 |
root |
1.19 |
|
89 |
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for (reg = first_region; reg; reg = reg->next) |
90 |
root |
1.4 |
if (!strcasecmp (reg->name, name)) |
91 |
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return reg; |
92 |
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|
93 |
root |
1.19 |
for (reg = first_region; reg; reg = reg->next) |
94 |
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if (reg->longname) |
95 |
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if (!strcasecmp (reg->longname, name)) |
96 |
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return reg; |
97 |
root |
1.4 |
|
98 |
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substr = NULL; |
99 |
root |
1.19 |
for (reg = first_region; reg; reg = reg->next) |
100 |
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if (reg->longname) |
101 |
root |
1.4 |
{ |
102 |
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substr = strstr (reg->longname, name); |
103 |
root |
1.19 |
if (substr) |
104 |
root |
1.4 |
return reg; |
105 |
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} |
106 |
root |
1.19 |
|
107 |
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for (reg = first_region; reg; reg = reg->next) |
108 |
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if (reg->longname) |
109 |
root |
1.4 |
{ |
110 |
root |
1.2 |
/* |
111 |
root |
1.19 |
* This is not a bug, we want the region that is most identifiably a discrete |
112 |
root |
1.2 |
* area in the game, eg if we have 'scor', we want to return 'scorn' and not |
113 |
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* 'scornarena', regardless of their order on the list so we only look at those |
114 |
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* regions with a longname set. |
115 |
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*/ |
116 |
root |
1.4 |
substr = strstr (reg->name, name); |
117 |
root |
1.19 |
if (substr) |
118 |
root |
1.4 |
return reg; |
119 |
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} |
120 |
root |
1.19 |
|
121 |
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for (reg = first_region; reg; reg = reg->next) |
122 |
root |
1.4 |
{ |
123 |
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substr = strstr (reg->name, name); |
124 |
root |
1.19 |
if (substr) |
125 |
root |
1.4 |
return reg; |
126 |
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} |
127 |
root |
1.19 |
|
128 |
root |
1.4 |
/* if we are still here, we are going to have to give up, and give the top level region */ |
129 |
root |
1.19 |
for (reg = first_region; reg->parent; reg = reg->parent) |
130 |
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; |
131 |
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|
132 |
root |
1.4 |
return reg; |
133 |
elmex |
1.1 |
} |
134 |
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|
135 |
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/* |
136 |
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* returns 1 if the player is in the region reg, or a child region thereof |
137 |
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* otherwise returns 0 |
138 |
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* if passed a NULL region returns -1 |
139 |
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*/ |
140 |
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|
141 |
root |
1.19 |
static int |
142 |
root |
1.4 |
region_is_child_of_region (const region * child, const region * r) |
143 |
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{ |
144 |
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|
145 |
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if (r == NULL) |
146 |
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return -1; |
147 |
root |
1.19 |
|
148 |
root |
1.4 |
if (child == NULL) |
149 |
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return 0; |
150 |
root |
1.19 |
|
151 |
root |
1.4 |
if (!strcmp (child->name, r->name)) |
152 |
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return 1; |
153 |
root |
1.19 |
|
154 |
root |
1.4 |
else if (child->parent != NULL) |
155 |
|
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return region_is_child_of_region (child->parent, r); |
156 |
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else |
157 |
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return 0; |
158 |
elmex |
1.1 |
} |
159 |
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|
160 |
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/** Returns an object which is an exit through which the player represented by op should be |
161 |
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* sent in order to be imprisoned. If there is no suitable place to which an exit can be |
162 |
|
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* constructed, then NULL will be returned. The caller is responsible for freeing the object |
163 |
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* created by this function. |
164 |
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*/ |
165 |
root |
1.4 |
object * |
166 |
|
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get_jail_exit (object *op) |
167 |
|
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{ |
168 |
|
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region *reg; |
169 |
|
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object *exit; |
170 |
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|
171 |
|
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if (op->type != PLAYER) |
172 |
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{ |
173 |
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LOG (llevError, "region.c: get_jail_exit called against non-player object.\n"); |
174 |
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return NULL; |
175 |
|
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} |
176 |
root |
1.19 |
|
177 |
|
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reg = op->region (); |
178 |
|
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while (reg) |
179 |
root |
1.4 |
{ |
180 |
|
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if (reg->jailmap) |
181 |
|
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{ |
182 |
root |
1.9 |
exit = object::create (); |
183 |
root |
1.4 |
EXIT_PATH (exit) = reg->jailmap; |
184 |
|
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/* damned exits reset savebed and remove teleports, so the prisoner can't escape */ |
185 |
|
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SET_FLAG (exit, FLAG_DAMNED); |
186 |
|
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EXIT_X (exit) = reg->jailx; |
187 |
|
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EXIT_Y (exit) = reg->jaily; |
188 |
|
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return exit; |
189 |
root |
1.2 |
} |
190 |
root |
1.4 |
else |
191 |
|
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reg = reg->parent; |
192 |
elmex |
1.1 |
} |
193 |
root |
1.19 |
|
194 |
|
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LOG (llevDebug, "No suitable jailmap for region %s was found.\n", ®->name); |
195 |
root |
1.4 |
return NULL; |
196 |
elmex |
1.1 |
} |
197 |
|
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|
198 |
root |
1.19 |
static void |
199 |
|
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assign_region_parents (void) |
200 |
|
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{ |
201 |
|
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region *reg; |
202 |
|
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uint32 parent_count = 0; |
203 |
|
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uint32 region_count = 0; |
204 |
|
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|
205 |
|
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for (reg = first_region; reg && reg->next; reg = reg->next) |
206 |
|
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{ |
207 |
|
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if (reg->parent_name) |
208 |
|
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{ |
209 |
|
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reg->parent = region::find (reg->parent_name); |
210 |
|
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parent_count++; |
211 |
|
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} |
212 |
|
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|
213 |
|
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region_count++; |
214 |
|
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} |
215 |
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|
216 |
|
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LOG (llevDebug, "Assigned %u regions with %u parents.\n", region_count, parent_count); |
217 |
|
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} |
218 |
|
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|
219 |
elmex |
1.1 |
/* |
220 |
|
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* First initialises the archtype hash-table (init_archetable()). |
221 |
|
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* Reads and parses the archetype file (with the first and second-pass |
222 |
|
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* functions). |
223 |
|
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* Then initialises treasures by calling load_treasures(). |
224 |
|
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*/ |
225 |
root |
1.4 |
void |
226 |
|
|
init_regions (void) |
227 |
|
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{ |
228 |
|
|
FILE *fp; |
229 |
|
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char filename[MAX_BUF]; |
230 |
|
|
int comp; |
231 |
|
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|
232 |
|
|
if (first_region != NULL) /* Only do this once */ |
233 |
elmex |
1.1 |
return; |
234 |
|
|
|
235 |
root |
1.19 |
// make sure one region is always available |
236 |
|
|
first_region = new region; |
237 |
|
|
first_region->name = "<builtin>"; |
238 |
|
|
first_region->longname = strdup ("Built-in Region"); |
239 |
|
|
|
240 |
root |
1.4 |
sprintf (filename, "%s/%s/%s", settings.datadir, settings.mapdir, settings.regions); |
241 |
|
|
LOG (llevDebug, "Reading regions from %s...\n", filename); |
242 |
|
|
if ((fp = open_and_uncompress (filename, 0, &comp)) == NULL) |
243 |
|
|
{ |
244 |
|
|
LOG (llevError, " Can't open regions file %s in init_regions.\n", filename); |
245 |
|
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return; |
246 |
|
|
} |
247 |
root |
1.19 |
|
248 |
root |
1.4 |
parse_regions (fp); |
249 |
|
|
assign_region_parents (); |
250 |
|
|
LOG (llevDebug, " done\n"); |
251 |
|
|
|
252 |
|
|
close_and_delete (fp, comp); |
253 |
elmex |
1.1 |
} |
254 |
|
|
|
255 |
|
|
/* |
256 |
|
|
* Reads/parses the region file, and copies into a linked list |
257 |
|
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* of region structs. |
258 |
|
|
*/ |
259 |
root |
1.4 |
void |
260 |
|
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parse_regions (FILE * fp) |
261 |
|
|
{ |
262 |
|
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region *newreg; |
263 |
|
|
region *reg; |
264 |
|
|
|
265 |
|
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char buf[HUGE_BUF], msgbuf[HUGE_BUF], *key = NULL, *value, *end; |
266 |
|
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int msgpos = 0; |
267 |
|
|
|
268 |
|
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newreg = NULL; |
269 |
|
|
while (fgets (buf, HUGE_BUF - 1, fp) != NULL) |
270 |
|
|
{ |
271 |
|
|
buf[HUGE_BUF - 1] = 0; |
272 |
|
|
key = buf; |
273 |
|
|
while (isspace (*key)) |
274 |
|
|
key++; |
275 |
|
|
if (*key == 0) |
276 |
|
|
continue; /* empty line */ |
277 |
|
|
value = strchr (key, ' '); |
278 |
|
|
if (!value) |
279 |
|
|
{ |
280 |
|
|
end = strchr (key, '\n'); |
281 |
|
|
*end = 0; |
282 |
|
|
} |
283 |
|
|
else |
284 |
|
|
{ |
285 |
|
|
*value = 0; |
286 |
|
|
value++; |
287 |
|
|
while (isspace (*value)) |
288 |
root |
1.2 |
value++; |
289 |
root |
1.4 |
end = strchr (value, '\n'); |
290 |
root |
1.2 |
} |
291 |
root |
1.4 |
|
292 |
|
|
/* |
293 |
|
|
* This is a bizzare mutated form of the map and archetype parser |
294 |
|
|
* rolled into one. Key is the field name, value is what it should |
295 |
|
|
* be set to. |
296 |
|
|
* We've already done the work to null terminate key, |
297 |
|
|
* and strip off any leading spaces for both of these. |
298 |
|
|
* We have not touched the newline at the end of the line - |
299 |
|
|
* these might be needed for some values. the end pointer |
300 |
|
|
* points to the first of the newlines. |
301 |
|
|
* value could be NULL! It would be easy enough to just point |
302 |
|
|
* this to "" to prevent cores, but that would let more errors slide |
303 |
|
|
* through. |
304 |
|
|
*/ |
305 |
|
|
if (!strcmp (key, "region")) |
306 |
|
|
{ |
307 |
|
|
*end = 0; |
308 |
root |
1.19 |
newreg = new region; |
309 |
|
|
newreg->name = value; |
310 |
root |
1.4 |
} |
311 |
|
|
else if (!strcmp (key, "parent")) |
312 |
|
|
{ |
313 |
|
|
/* |
314 |
|
|
* Note that this is in the initialisation code, so we don't actually |
315 |
|
|
* assign the pointer to the parent yet, because it might not have been |
316 |
|
|
* parsed. |
317 |
|
|
*/ |
318 |
|
|
*end = 0; |
319 |
root |
1.19 |
newreg->parent_name = value; |
320 |
root |
1.4 |
} |
321 |
|
|
else if (!strcmp (key, "longname")) |
322 |
|
|
{ |
323 |
|
|
*end = 0; |
324 |
root |
1.11 |
newreg->longname = strdup (value); |
325 |
root |
1.4 |
} |
326 |
|
|
else if (!strcmp (key, "jail")) |
327 |
|
|
{ |
328 |
|
|
/* jail entries are of the form: /path/to/map x y */ |
329 |
|
|
char path[MAX_BUF]; |
330 |
|
|
int x, y; |
331 |
|
|
|
332 |
|
|
if (sscanf (value, "%[^ ] %d %d\n", path, &x, &y) != 3) |
333 |
|
|
{ |
334 |
|
|
LOG (llevError, "region.c: malformated regions entry: jail %s\n", value); |
335 |
|
|
continue; |
336 |
root |
1.2 |
} |
337 |
root |
1.11 |
newreg->jailmap = strdup (path); |
338 |
root |
1.4 |
newreg->jailx = x; |
339 |
|
|
newreg->jaily = y; |
340 |
|
|
} |
341 |
|
|
else if (!strcmp (key, "msg")) |
342 |
|
|
{ |
343 |
|
|
while (fgets (buf, HUGE_BUF - 1, fp) != NULL) |
344 |
|
|
{ |
345 |
|
|
if (!strcmp (buf, "endmsg\n")) |
346 |
|
|
break; |
347 |
|
|
else |
348 |
|
|
{ |
349 |
|
|
strcpy (msgbuf + msgpos, buf); |
350 |
|
|
msgpos += strlen (buf); |
351 |
root |
1.2 |
} |
352 |
|
|
} |
353 |
root |
1.4 |
/* |
354 |
|
|
* There may be regions with empty messages (eg, msg/endmsg |
355 |
|
|
* with nothing between). When maps are loaded, this is done |
356 |
|
|
* so better do it here too... |
357 |
|
|
*/ |
358 |
|
|
if (msgpos != 0) |
359 |
root |
1.11 |
newreg->msg = strdup (msgbuf); |
360 |
root |
1.4 |
|
361 |
|
|
/* we have to reset msgpos, or the next region will store both msg blocks. */ |
362 |
|
|
msgpos = 0; |
363 |
|
|
} |
364 |
|
|
else if (!strcmp (key, "fallback")) |
365 |
|
|
{ |
366 |
|
|
*end = 0; |
367 |
|
|
newreg->fallback = atoi (value); |
368 |
|
|
} |
369 |
|
|
else if (!strcmp (key, "end")) |
370 |
|
|
{ |
371 |
|
|
/* Place this new region last on the list, if the list is empty put it first */ |
372 |
|
|
for (reg = first_region; reg != NULL && reg->next != NULL; reg = reg->next); |
373 |
|
|
|
374 |
|
|
if (reg == NULL) |
375 |
|
|
first_region = newreg; |
376 |
|
|
else |
377 |
|
|
reg->next = newreg; |
378 |
|
|
newreg = NULL; |
379 |
|
|
} |
380 |
|
|
else if (!strcmp (key, "nomore")) |
381 |
|
|
{ |
382 |
|
|
/* we have reached the end of the region specs.... */ |
383 |
|
|
break; |
384 |
|
|
} |
385 |
|
|
else |
386 |
|
|
{ |
387 |
|
|
/* we should never get here, if we have, then something is wrong */ |
388 |
|
|
LOG (llevError, "Got unknown value in region file: %s %s\n", key, value); |
389 |
|
|
} |
390 |
|
|
} |
391 |
|
|
if (!key || strcmp (key, "nomore")) |
392 |
|
|
LOG (llevError, "Got premature eof on regions file!\n"); |
393 |
|
|
} |
394 |
|
|
|