ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/random_maps/wall.C
Revision: 1.29
Committed: Mon Oct 12 14:00:58 2009 UTC (14 years, 8 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: rel-2_82, rel-2_81
Changes since 1.28: +7 -6 lines
Log Message:
clarify license

File Contents

# Content
1 /*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * the terms of the Affero GNU General Public License as published by the
10 * Free Software Foundation, either version 3 of the License, or (at your
11 * option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the Affero GNU General Public License
19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
21 *
22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */
24
25 #include <global.h>
26 #include <random_map.h>
27 #include <rproto.h>
28
29 /* Put in the walls and autojoin them. */
30
31 /* given a layout and a coordinate, tell me which squares up/down/right/left
32 are occupied. */
33 int
34 surround_flag (char **layout, int i, int j, random_map_params *RP)
35 {
36 /* 1 = wall to left,
37 2 = wall to right,
38 4 = wall above
39 8 = wall below */
40 int surround_index = 0;
41
42 if ((i > 0) && layout[i - 1][j] != 0)
43 surround_index |= 1;
44 if ((i < RP->Xsize - 1) && layout[i + 1][j] != 0)
45 surround_index |= 2;
46 if ((j > 0) && layout[i][j - 1] != 0)
47 surround_index |= 4;
48 if ((j < RP->Ysize - 1) && layout[i][j + 1] != 0)
49 surround_index |= 8;
50 return surround_index;
51 }
52
53
54 /* like surround_flag, but only walls count.
55 */
56
57 int
58 surround_flag2 (char **layout, int i, int j, random_map_params *RP)
59 {
60 /* 1 = wall to left,
61 2 = wall to right,
62 4 = wall above
63 8 = wall below */
64 int surround_index = 0;
65
66 if ((i > 0) && layout[i - 1][j] == '#')
67 surround_index |= 1;
68 if ((i < RP->Xsize - 1) && layout[i + 1][j] == '#')
69 surround_index |= 2;
70 if ((j > 0) && layout[i][j - 1] == '#')
71 surround_index |= 4;
72 if ((j < RP->Ysize - 1) && layout[i][j + 1] == '#')
73 surround_index |= 8;
74 return surround_index;
75 }
76
77
78 /* like surround_flag, except it checks a map, not a layout.
79 * Since this is part of the random map code, presumption
80 * is that this is not a tiled map.
81 * What is considered blocking and not is somewhat hard coded.
82 */
83 int
84 surround_flag3 (maptile *map, sint16 i, sint16 j, random_map_params *RP)
85 {
86 /*
87 * 1 = blocked to left,
88 * 2 = blocked to right,
89 * 4 = blocked above
90 * 8 = blocked below
91 */
92
93 int surround_index = 0;
94
95 // don't forget to update the mapspace!
96 if (i > 0) map->at (i - 1, j ).update ();
97 if (i < RP->Xsize - 1) map->at (i + 1, j ).update ();
98 if (j > 0) map->at (i , j - 1).update ();
99 if (j < RP->Ysize - 1) map->at (i , j + 1).update ();
100
101 if ((i > 0) && (GET_MAP_MOVE_BLOCK (map, i - 1, j) & MOVE_WALK))
102 surround_index |= 1;
103 if ((i < RP->Xsize - 1) && (GET_MAP_MOVE_BLOCK (map, i + 1, j) & MOVE_WALK))
104 surround_index |= 2;
105 if ((j > 0) && (GET_MAP_MOVE_BLOCK (map, i, j - 1) & MOVE_WALK))
106 surround_index |= 4;
107 if ((j < RP->Ysize - 1) && (GET_MAP_MOVE_BLOCK (map, i, j + 1) & MOVE_WALK))
108 surround_index |= 8;
109
110 return surround_index;
111 }
112
113 /* like surround_flag2, except it checks a map, not a layout. */
114
115 int
116 surround_flag4 (maptile *map, int i, int j, random_map_params *RP)
117 {
118 /* 1 = blocked to left,
119 2 = blocked to right,
120 4 = blocked above
121 8 = blocked below */
122 int surround_index = 0;
123
124 if ((i > 0) && wall_blocked (map, i - 1, j))
125 surround_index |= 1;
126 if ((i < RP->Xsize - 1) && wall_blocked (map, i + 1, j))
127 surround_index |= 2;
128 if ((j > 0) && wall_blocked (map, i, j - 1))
129 surround_index |= 4;
130 if ((j < RP->Ysize - 1) && wall_blocked (map, i, j + 1))
131 surround_index |= 8;
132
133 return surround_index;
134 }
135
136 /* takes a map and a layout, and puts walls in the map (picked from
137 w_style) at '#' marks. */
138
139 void
140 make_map_walls (maptile *map, char **layout, char *w_style, random_map_params *RP)
141 {
142 char styledirname[1024];
143 char stylefilepath[1024];
144 maptile *style_map = 0;
145 object *the_wall;
146
147 /* get the style map */
148 if (!strcmp (w_style, "none"))
149 return;
150 sprintf (styledirname, "%s", "/styles/wallstyles");
151 sprintf (stylefilepath, "%s/%s", styledirname, w_style);
152 style_map = find_style (styledirname, w_style, -1);
153 if (!style_map)
154 return;
155
156 /* fill up the map with the given floor style */
157 if ((the_wall = style_map->pick_random_object (rmg_rndm)))
158 {
159 int i, j;
160 char *cp;
161 int joinedwalls = 0;
162 object *thiswall;
163
164 sprintf (RP->wall_name, "%s", &the_wall->arch->archname);
165 if ((cp = strchr (RP->wall_name, '_')) != NULL)
166 {
167 *cp = 0;
168 joinedwalls = 1;
169 }
170
171 for (i = 0; i < RP->Xsize; i++)
172 for (j = 0; j < RP->Ysize; j++)
173 {
174 if (layout[i][j] == '#')
175 {
176 if (joinedwalls)
177 thiswall = pick_joined_wall (the_wall, layout, i, j, RP);
178 else
179 thiswall = arch_to_object (the_wall->arch);
180 thiswall->x = i;
181 thiswall->y = j;
182 thiswall->move_block = MOVE_ALL;
183 insert_ob_in_map (thiswall, map, thiswall, INS_NO_MERGE | INS_NO_WALK_ON);
184 }
185 }
186 }
187 }
188
189
190 /* picks the right wall type for this square, to make it look nice,
191 and have everything nicely joined. It uses the layout. */
192
193 object *
194 pick_joined_wall (object *the_wall, char **layout, int i, int j, random_map_params *RP)
195 {
196 /* 1 = wall to left,
197 2 = wall to right,
198 4 = wall above
199 8 = wall below */
200 int surround_index = 0;
201 int l;
202 char wall_name[1024];
203 archetype *wall_arch = 0;
204
205 assign (wall_name, the_wall->arch->archname);
206
207 /* conventionally, walls are named like this:
208 wallname_wallcode, where wallcode indicates
209 a joinedness, and wallname is the wall.
210 this code depends on the convention for
211 finding the right wall. */
212
213 /* extract the wall name, which is the text up to the leading _ */
214 for (l = 0; l < 64; l++)
215 {
216 if (wall_name[l] == '_')
217 {
218 wall_name[l] = 0;
219 break;
220 }
221 }
222
223 surround_index = surround_flag2 (layout, i, j, RP);
224
225 switch (surround_index)
226 {
227 case 0:
228 strcat (wall_name, "_0");
229 break;
230 case 1:
231 strcat (wall_name, "_1_3");
232 break;
233 case 2:
234 strcat (wall_name, "_1_4");
235 break;
236 case 3:
237 strcat (wall_name, "_2_1_2");
238 break;
239 case 4:
240 strcat (wall_name, "_1_2");
241 break;
242 case 5:
243 strcat (wall_name, "_2_2_4");
244 break;
245 case 6:
246 strcat (wall_name, "_2_2_1");
247 break;
248 case 7:
249 strcat (wall_name, "_3_1");
250 break;
251 case 8:
252 strcat (wall_name, "_1_1");
253 break;
254 case 9:
255 strcat (wall_name, "_2_2_3");
256 break;
257 case 10:
258 strcat (wall_name, "_2_2_2");
259 break;
260 case 11:
261 strcat (wall_name, "_3_3");
262 break;
263 case 12:
264 strcat (wall_name, "_2_1_1");
265 break;
266 case 13:
267 strcat (wall_name, "_3_4");
268 break;
269 case 14:
270 strcat (wall_name, "_3_2");
271 break;
272 case 15:
273 strcat (wall_name, "_4");
274 break;
275 }
276 wall_arch = archetype::find (wall_name);
277
278 return wall_arch ? arch_to_object (wall_arch) : arch_to_object (the_wall->arch);
279 }
280
281
282 /* this takes a map, and changes an existing wall to match what's blocked
283 * around it, counting only doors and walls as blocked. If insert_flag is
284 * 1, it will go ahead and insert the wall into the map. If not, it
285 * will only return the wall which would belong there, and doesn't
286 * remove anything. It depends on the
287 * global, previously-set variable, "wall_name"
288 */
289
290 object *
291 retrofit_joined_wall (maptile *the_map, int i, int j, int insert_flag, random_map_params *RP)
292 {
293 /* 1 = wall to left,
294 * 2 = wall to right,
295 * 4 = wall above
296 * 8 = wall below
297 */
298 int surround_index = 0;
299 int l;
300 object *the_wall = 0;
301 object *new_wall = 0;
302 archetype *wall_arch = 0;
303
304 /* first find the wall */
305 for (the_wall = GET_MAP_OB (the_map, i, j); the_wall != NULL; the_wall = the_wall->above)
306 if ((the_wall->move_type & MOVE_WALK) && the_wall->type != EXIT && the_wall->type != TELEPORTER)
307 break;
308
309
310 /* if what we found is a door, don't remove it, set the_wall to NULL to
311 * signal that later.
312 */
313 if (the_wall && (the_wall->type == DOOR || the_wall->type == LOCKED_DOOR))
314 {
315 the_wall = NULL;
316 /* if we're not supposed to insert a new wall where there wasn't one,
317 * we've gotta leave.
318 */
319 if (insert_flag == 0)
320 return 0;
321 }
322 else if (the_wall == NULL)
323 return NULL;
324
325 /* canonicalize the wall name */
326 for (l = 0; l < 64; l++)
327 {
328 if (RP->wall_name[l] == '_')
329 {
330 RP->wall_name[l] = 0;
331 break;
332 }
333 }
334
335 surround_index = surround_flag4 (the_map, i, j, RP);
336 /* This would be a lot cleaner to just us a lookup table,
337 * eg, wall_suffix[surround_index]
338 */
339 switch (surround_index)
340 {
341 case 0:
342 strcat (RP->wall_name, "_0");
343 break;
344 case 1:
345 strcat (RP->wall_name, "_1_3");
346 break;
347 case 2:
348 strcat (RP->wall_name, "_1_4");
349 break;
350 case 3:
351 strcat (RP->wall_name, "_2_1_2");
352 break;
353 case 4:
354 strcat (RP->wall_name, "_1_2");
355 break;
356 case 5:
357 strcat (RP->wall_name, "_2_2_4");
358 break;
359 case 6:
360 strcat (RP->wall_name, "_2_2_1");
361 break;
362 case 7:
363 strcat (RP->wall_name, "_3_1");
364 break;
365 case 8:
366 strcat (RP->wall_name, "_1_1");
367 break;
368 case 9:
369 strcat (RP->wall_name, "_2_2_3");
370 break;
371 case 10:
372 strcat (RP->wall_name, "_2_2_2");
373 break;
374 case 11:
375 strcat (RP->wall_name, "_3_3");
376 break;
377 case 12:
378 strcat (RP->wall_name, "_2_1_1");
379 break;
380 case 13:
381 strcat (RP->wall_name, "_3_4");
382 break;
383 case 14:
384 strcat (RP->wall_name, "_3_2");
385 break;
386 case 15:
387 strcat (RP->wall_name, "_4");
388 break;
389 }
390
391 wall_arch = archetype::find (RP->wall_name);
392
393 if (!wall_arch)
394 {
395 new_wall = arch_to_object (wall_arch);
396 new_wall->x = i;
397 new_wall->y = j;
398
399 if (the_wall && the_wall->map)
400 the_wall->destroy ();
401
402 the_wall->move_block = MOVE_ALL;
403 insert_ob_in_map (new_wall, the_map, new_wall, INS_NO_MERGE | INS_NO_WALK_ON);
404 }
405
406 return new_wall;
407 }