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 |
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* Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team |
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* Copyright (C) 1992 Frank Tore Johansen |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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* The authors can be reached via e-mail at <crossfire@schmorp.de> |
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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; |
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} |
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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 |
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* with the 'fallback' property set. |
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* if it can't find a matching name /or/ a fallback region it logs an info message |
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* message and returns NULL |
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* used by the map parsing code. |
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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: |
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* an exact match to region name (case insensitive) |
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* an exact match to longname (case insensitive) |
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* a substring that matches to the longname (eg Kingdom) |
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* a substring that matches to the region name (eg nav) |
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* if it can find none of these it returns the first parentless region |
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* (there should be only one of these - the top level one) |
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* If we got a NULL, then just return the top level region |
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* |
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*/ |
70 |
root |
1.4 |
region * |
71 |
root |
1.19 |
region::find_fuzzy (const char *name) |
72 |
root |
1.4 |
{ |
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region *reg; |
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char *substr; |
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char *p; |
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|
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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) |
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; |
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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'); |
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if (p) |
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*p = '\0'; |
88 |
root |
1.19 |
|
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for (reg = first_region; reg; reg = reg->next) |
90 |
root |
1.4 |
if (!strcasecmp (reg->name, name)) |
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return reg; |
92 |
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|
93 |
root |
1.19 |
for (reg = first_region; reg; reg = reg->next) |
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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 |
|
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substr = NULL; |
99 |
root |
1.19 |
for (reg = first_region; reg; reg = reg->next) |
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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 |
|
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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 |
root |
1.20 |
* Reads/parses the region file, and copies into a linked list |
221 |
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* of region structs. |
222 |
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*/ |
223 |
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static bool |
224 |
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parse_regions (object_thawer &fp) |
225 |
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{ |
226 |
|
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region *newreg; |
227 |
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region *reg; |
228 |
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|
229 |
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newreg = NULL; |
230 |
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for (;;) |
231 |
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{ |
232 |
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keyword kw = fp.get_kv (); |
233 |
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|
234 |
|
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switch (kw) |
235 |
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{ |
236 |
|
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case KW_EOF: |
237 |
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if (newreg) |
238 |
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{ |
239 |
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LOG (llevError, "%s: end of file while reading regions.\n", fp.name); |
240 |
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return false; |
241 |
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} |
242 |
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else |
243 |
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return true; |
244 |
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|
245 |
|
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case KW_end: |
246 |
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/* Place this new region last on the list, if the list is empty put it first */ |
247 |
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for (reg = first_region; reg && reg->next; reg = reg->next) |
248 |
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; |
249 |
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|
250 |
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if (!reg) |
251 |
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first_region = newreg; |
252 |
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else |
253 |
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reg->next = newreg; |
254 |
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|
255 |
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newreg = 0; |
256 |
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break; |
257 |
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|
258 |
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default: |
259 |
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case KW_ERROR: |
260 |
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LOG (llevError, "%s: skipping errornous line (%s) while reading regions.\n", fp.name, fp.last_keyword); |
261 |
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break; |
262 |
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|
263 |
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case KW_region: |
264 |
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newreg = new region; |
265 |
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fp.get (newreg->name); |
266 |
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break; |
267 |
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|
268 |
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case KW_parent: |
269 |
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/* |
270 |
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* Note that this is in the initialisation code, so we don't actually |
271 |
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* assign the pointer to the parent yet, because it might not have been |
272 |
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* parsed. |
273 |
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*/ |
274 |
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fp.get (newreg->parent_name); |
275 |
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break; |
276 |
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|
277 |
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case KW_longname: |
278 |
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newreg->longname = strdup (fp.get_str ()); |
279 |
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break; |
280 |
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|
281 |
|
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case KW_jail_map: |
282 |
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fp.get (newreg->jailmap); |
283 |
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break; |
284 |
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|
285 |
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case KW_jail_x: |
286 |
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fp.get (newreg->jailx); |
287 |
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break; |
288 |
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|
289 |
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case KW_jail_y: |
290 |
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fp.get (newreg->jaily); |
291 |
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break; |
292 |
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|
293 |
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case KW_msg: |
294 |
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fp.get_ml (KW_endmsg, newreg->msg); |
295 |
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break; |
296 |
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|
297 |
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case KW_fallback: |
298 |
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fp.get (newreg->fallback); |
299 |
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break; |
300 |
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|
301 |
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case KW_nomore: |
302 |
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/* we have reached the end of the region specs.... */ |
303 |
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return true; |
304 |
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} |
305 |
|
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} |
306 |
|
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} |
307 |
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|
308 |
|
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/* |
309 |
elmex |
1.1 |
* First initialises the archtype hash-table (init_archetable()). |
310 |
|
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* Reads and parses the archetype file (with the first and second-pass |
311 |
|
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* functions). |
312 |
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* Then initialises treasures by calling load_treasures(). |
313 |
|
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*/ |
314 |
root |
1.4 |
void |
315 |
|
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init_regions (void) |
316 |
|
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{ |
317 |
|
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char filename[MAX_BUF]; |
318 |
|
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int comp; |
319 |
|
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|
320 |
|
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if (first_region != NULL) /* Only do this once */ |
321 |
elmex |
1.1 |
return; |
322 |
|
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|
323 |
root |
1.19 |
// make sure one region is always available |
324 |
|
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first_region = new region; |
325 |
|
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first_region->name = "<builtin>"; |
326 |
|
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first_region->longname = strdup ("Built-in Region"); |
327 |
|
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|
328 |
root |
1.4 |
sprintf (filename, "%s/%s/%s", settings.datadir, settings.mapdir, settings.regions); |
329 |
|
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LOG (llevDebug, "Reading regions from %s...\n", filename); |
330 |
root |
1.20 |
|
331 |
|
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object_thawer fp (filename); |
332 |
|
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|
333 |
|
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if (!fp) |
334 |
root |
1.4 |
{ |
335 |
|
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LOG (llevError, " Can't open regions file %s in init_regions.\n", filename); |
336 |
|
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return; |
337 |
|
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} |
338 |
root |
1.19 |
|
339 |
root |
1.4 |
parse_regions (fp); |
340 |
root |
1.20 |
|
341 |
root |
1.4 |
assign_region_parents (); |
342 |
|
|
LOG (llevDebug, " done\n"); |
343 |
elmex |
1.1 |
} |