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/cvs/deliantra/server/random_maps/wall.C
Revision: 1.35
Committed: Sun Mar 28 22:29:50 2010 UTC (14 years, 2 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.34: +12 -11 lines
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# Content
1 /*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992 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 static int
115 surround_flag4 (maptile *map, int i, int j, random_map_params *RP)
116 {
117 /* 1 = blocked to left,
118 2 = blocked to right,
119 4 = blocked above
120 8 = blocked below */
121 int surround_index = 0;
122
123 if ((i > 0) && wall_blocked (map, i - 1, j))
124 surround_index |= 1;
125 if ((i < RP->Xsize - 1) && wall_blocked (map, i + 1, j))
126 surround_index |= 2;
127 if ((j > 0) && wall_blocked (map, i, j - 1))
128 surround_index |= 4;
129 if ((j < RP->Ysize - 1) && wall_blocked (map, i, j + 1))
130 surround_index |= 8;
131
132 return surround_index;
133 }
134
135 /* picks the right wall type for this square, to make it look nice,
136 and have everything nicely joined. It uses the layout. */
137 static object *
138 pick_joined_wall (object *the_wall, char **layout, int i, int j, random_map_params *RP)
139 {
140 /* 1 = wall to left,
141 2 = wall to right,
142 4 = wall above
143 8 = wall below */
144 int surround_index = 0;
145 int l;
146 char wall_name[1024];
147 archetype *wall_arch = 0;
148
149 assign (wall_name, the_wall->arch->archname);
150
151 /* conventionally, walls are named like this:
152 wallname_wallcode, where wallcode indicates
153 a joinedness, and wallname is the wall.
154 this code depends on the convention for
155 finding the right wall. */
156
157 /* extract the wall name, which is the text up to the leading _ */
158 for (l = 0; l < 64; l++)
159 {
160 if (wall_name[l] == '_')
161 {
162 wall_name[l] = 0;
163 break;
164 }
165 }
166
167 surround_index = surround_flag2 (layout, i, j, RP);
168
169 switch (surround_index)
170 {
171 case 0:
172 strcat (wall_name, "_0");
173 break;
174 case 1:
175 strcat (wall_name, "_1_3");
176 break;
177 case 2:
178 strcat (wall_name, "_1_4");
179 break;
180 case 3:
181 strcat (wall_name, "_2_1_2");
182 break;
183 case 4:
184 strcat (wall_name, "_1_2");
185 break;
186 case 5:
187 strcat (wall_name, "_2_2_4");
188 break;
189 case 6:
190 strcat (wall_name, "_2_2_1");
191 break;
192 case 7:
193 strcat (wall_name, "_3_1");
194 break;
195 case 8:
196 strcat (wall_name, "_1_1");
197 break;
198 case 9:
199 strcat (wall_name, "_2_2_3");
200 break;
201 case 10:
202 strcat (wall_name, "_2_2_2");
203 break;
204 case 11:
205 strcat (wall_name, "_3_3");
206 break;
207 case 12:
208 strcat (wall_name, "_2_1_1");
209 break;
210 case 13:
211 strcat (wall_name, "_3_4");
212 break;
213 case 14:
214 strcat (wall_name, "_3_2");
215 break;
216 case 15:
217 strcat (wall_name, "_4");
218 break;
219 }
220 wall_arch = archetype::find (wall_name);
221
222 return wall_arch ? wall_arch->instance () : the_wall->arch->instance ();
223 }
224
225 /* takes a map and a layout, and puts walls in the map (picked from
226 w_style) at '#' marks. */
227 void
228 make_map_walls (maptile *map, char **layout, const char *w_style, const char *m_style, random_map_params *RP)
229 {
230 object *the_wall;
231
232 /* get the style map */
233 if (!strcmp (w_style, "none"))
234 return;
235
236 maptile *style_map = find_style ("/styles/wallstyles", w_style, -1);
237 if (!style_map)
238 return;
239
240 maptile *mining_map = m_style && *m_style
241 ? find_style ("/styles/miningstyles", m_style, -1)
242 : 0;
243
244 if ((the_wall = style_map->pick_random_object (rmg_rndm)))
245 {
246 int i, j;
247 char *cp;
248 int joinedwalls = 0;
249 object *thiswall;
250
251 sprintf (RP->wall_name, "%s", &the_wall->arch->archname);
252 if ((cp = strchr (RP->wall_name, '_')) != NULL)
253 {
254 *cp = 0;
255 joinedwalls = 1;
256 }
257
258 for (i = 0; i < RP->Xsize; i++)
259 for (j = 0; j < RP->Ysize; j++)
260 {
261 if (layout[i][j] == '#')
262 {
263 if (joinedwalls)
264 thiswall = pick_joined_wall (the_wall, layout, i, j, RP);
265 else
266 thiswall = the_wall->arch->instance ();
267
268 thiswall->move_block = MOVE_ALL;
269 map->insert (thiswall, i, j, thiswall, INS_NO_MERGE | INS_NO_WALK_ON);
270
271 if (mining_map)
272 if (object *vein = mining_map->at (rmg_rndm (mining_map->width), rmg_rndm (mining_map->height)).bot)
273 map->insert (vein->clone (), i, j, thiswall, INS_NO_MERGE | INS_NO_WALK_ON);
274 }
275 }
276 }
277 }
278
279 /* this takes a map, and changes an existing wall to match what's blocked
280 * around it, counting only doors and walls as blocked. If insert_flag is
281 * 1, it will go ahead and insert the wall into the map. If not, it
282 * will only return the wall which would belong there, and doesn't
283 * remove anything. It depends on the
284 * global, previously-set variable, "wall_name"
285 */
286 object *
287 retrofit_joined_wall (maptile *the_map, int i, int j, int insert_flag, random_map_params *RP)
288 {
289 /* 1 = wall to left,
290 * 2 = wall to right,
291 * 4 = wall above
292 * 8 = wall below
293 */
294 int surround_index = 0;
295 int l;
296 object *the_wall = 0;
297 object *new_wall = 0;
298 archetype *wall_arch = 0;
299
300 /* first find the wall */
301 for (the_wall = GET_MAP_OB (the_map, i, j); the_wall != NULL; the_wall = the_wall->above)
302 if ((the_wall->move_type & MOVE_WALK) && the_wall->type != EXIT && the_wall->type != TELEPORTER)
303 break;
304
305
306 /* if what we found is a door, don't remove it, set the_wall to NULL to
307 * signal that later.
308 */
309 if (the_wall && (the_wall->type == DOOR || the_wall->type == LOCKED_DOOR))
310 {
311 the_wall = NULL;
312 /* if we're not supposed to insert a new wall where there wasn't one,
313 * we've gotta leave.
314 */
315 if (insert_flag == 0)
316 return 0;
317 }
318 else if (the_wall == NULL)
319 return NULL;
320
321 /* canonicalize the wall name */
322 for (l = 0; l < 64; l++)
323 {
324 if (RP->wall_name[l] == '_')
325 {
326 RP->wall_name[l] = 0;
327 break;
328 }
329 }
330
331 surround_index = surround_flag4 (the_map, i, j, RP);
332 /* This would be a lot cleaner to just us a lookup table,
333 * eg, wall_suffix[surround_index]
334 */
335 switch (surround_index)
336 {
337 case 0:
338 strcat (RP->wall_name, "_0");
339 break;
340 case 1:
341 strcat (RP->wall_name, "_1_3");
342 break;
343 case 2:
344 strcat (RP->wall_name, "_1_4");
345 break;
346 case 3:
347 strcat (RP->wall_name, "_2_1_2");
348 break;
349 case 4:
350 strcat (RP->wall_name, "_1_2");
351 break;
352 case 5:
353 strcat (RP->wall_name, "_2_2_4");
354 break;
355 case 6:
356 strcat (RP->wall_name, "_2_2_1");
357 break;
358 case 7:
359 strcat (RP->wall_name, "_3_1");
360 break;
361 case 8:
362 strcat (RP->wall_name, "_1_1");
363 break;
364 case 9:
365 strcat (RP->wall_name, "_2_2_3");
366 break;
367 case 10:
368 strcat (RP->wall_name, "_2_2_2");
369 break;
370 case 11:
371 strcat (RP->wall_name, "_3_3");
372 break;
373 case 12:
374 strcat (RP->wall_name, "_2_1_1");
375 break;
376 case 13:
377 strcat (RP->wall_name, "_3_4");
378 break;
379 case 14:
380 strcat (RP->wall_name, "_3_2");
381 break;
382 case 15:
383 strcat (RP->wall_name, "_4");
384 break;
385 }
386
387 wall_arch = archetype::find (RP->wall_name);
388
389 if (!wall_arch)
390 {
391 new_wall = wall_arch->instance ();
392 new_wall->x = i;
393 new_wall->y = j;
394
395 if (the_wall && the_wall->map)
396 the_wall->destroy ();
397
398 the_wall->move_block = MOVE_ALL;
399 insert_ob_in_map (new_wall, the_map, new_wall, INS_NO_MERGE | INS_NO_WALK_ON);
400 }
401
402 return new_wall;
403 }