1 |
/* |
2 |
* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 |
* |
4 |
* Copyright (©) 2005,2006,2007 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 |
9 |
* it under the terms of the GNU General Public License as published by |
10 |
* the Free Software Foundation, either version 3 of the License, or |
11 |
* (at your 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 GNU General Public License |
19 |
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
20 |
* |
21 |
* The authors can be reached via e-mail to <support@deliantra.net> |
22 |
*/ |
23 |
|
24 |
/* Specials in this file: |
25 |
included maps */ |
26 |
|
27 |
#include <global.h> |
28 |
#include <random_map.h> |
29 |
#include <rproto.h> |
30 |
|
31 |
#define NUM_OF_SPECIAL_TYPES 4 |
32 |
#define NO_SPECIAL 0 |
33 |
#define SPECIAL_SUBMAP 1 |
34 |
#define SPECIAL_FOUNTAIN 2 |
35 |
#define SPECIAL_EXIT 3 |
36 |
|
37 |
#define GLORY_HOLE 1 |
38 |
#define ORC_ZONE 2 |
39 |
#define MINING_ZONE 3 |
40 |
#define NR_OF_HOLE_TYPES 3 |
41 |
|
42 |
/* clear map completely of all objects: a rectangular area of xsize, ysize |
43 |
is cleared with the top left corner at xstart, ystart */ |
44 |
|
45 |
void |
46 |
nuke_map_region (maptile *map, int xstart, int ystart, int xsize, int ysize) |
47 |
{ |
48 |
int i, j; |
49 |
object *tmp; |
50 |
|
51 |
for (i = xstart; i < xstart + xsize; i++) |
52 |
for (j = ystart; j < ystart + ysize; j++) |
53 |
{ |
54 |
for (tmp = GET_MAP_OB (map, i, j); tmp != NULL; tmp = tmp->above) |
55 |
{ |
56 |
if (!QUERY_FLAG (tmp, FLAG_IS_FLOOR)) |
57 |
{ |
58 |
if (tmp->head) |
59 |
tmp = tmp->head; |
60 |
tmp->remove (); |
61 |
tmp->destroy (); |
62 |
tmp = GET_MAP_OB (map, i, j); |
63 |
} |
64 |
if (tmp == NULL) |
65 |
break; |
66 |
} |
67 |
} |
68 |
} |
69 |
|
70 |
|
71 |
|
72 |
/* copy in_map into dest_map at point x,y */ |
73 |
|
74 |
|
75 |
void |
76 |
include_map_in_map (maptile *dest_map, maptile *in_map, int x, int y) |
77 |
{ |
78 |
int i, j; |
79 |
object *tmp; |
80 |
object *new_ob; |
81 |
|
82 |
/* First, splatter everything in the dest map at the location */ |
83 |
nuke_map_region (dest_map, x, y, in_map->width, in_map->height); |
84 |
|
85 |
for (i = 0; i < in_map->width; i++) |
86 |
for (j = 0; j < in_map->height; j++) |
87 |
{ |
88 |
for (tmp = GET_MAP_OB (in_map, i, j); tmp != NULL; tmp = tmp->above) |
89 |
{ |
90 |
/* don't copy things with multiple squares: must be dealt with |
91 |
specially. */ |
92 |
if (tmp->head != NULL) |
93 |
continue; |
94 |
new_ob = arch_to_object (tmp->arch); |
95 |
copy_object_with_inv (tmp, new_ob); |
96 |
if (QUERY_FLAG (tmp, FLAG_IS_LINKED)) |
97 |
add_button_link (new_ob, dest_map, tmp->path_attuned); |
98 |
new_ob->x = i + x; |
99 |
new_ob->y = j + y; |
100 |
insert_multisquare_ob_in_map (new_ob, dest_map); |
101 |
} |
102 |
} |
103 |
} |
104 |
|
105 |
int |
106 |
find_spot_for_submap (maptile *map, char **layout, int *ix, int *iy, int xsize, int ysize) |
107 |
{ |
108 |
int tries; |
109 |
int i = 0, j = 0; /* initialization may not be needed but prevents compiler warnings */ |
110 |
int is_occupied = 0; |
111 |
int l, m; |
112 |
|
113 |
/* don't even try to place a submap into a map if the big map isn't |
114 |
sufficiently large. */ |
115 |
if (2 * xsize > map->width || 2 * ysize > map->height) |
116 |
return 0; |
117 |
|
118 |
/* search a bit for a completely free spot. */ |
119 |
for (tries = 0; tries < 20; tries++) |
120 |
{ |
121 |
/* pick a random location in the layout */ |
122 |
i = rndm (map->width - xsize - 2) + 1; |
123 |
j = rndm (map->height - ysize - 2) + 1; |
124 |
is_occupied = 0; |
125 |
for (l = i; l < i + xsize; l++) |
126 |
for (m = j; m < j + ysize; m++) |
127 |
is_occupied |= layout[l][m]; |
128 |
if (!is_occupied) |
129 |
break; |
130 |
} |
131 |
|
132 |
|
133 |
/* if we failed, relax the restrictions */ |
134 |
|
135 |
if (is_occupied) |
136 |
{ /* failure, try a relaxed placer. */ |
137 |
/* pick a random location in the layout */ |
138 |
for (tries = 0; tries < 10; tries++) |
139 |
{ |
140 |
i = rndm (map->width - xsize - 2) + 1; |
141 |
j = rndm (map->height - ysize - 2) + 1; |
142 |
is_occupied = 0; |
143 |
for (l = i; l < i + xsize; l++) |
144 |
for (m = j; m < j + ysize; m++) |
145 |
if (layout[l][m] == 'C' || layout[l][m] == '>' || layout[l][m] == '<') |
146 |
is_occupied |= 1; |
147 |
} |
148 |
} |
149 |
if (is_occupied) |
150 |
return 0; |
151 |
*ix = i; |
152 |
*iy = j; |
153 |
return 1; |
154 |
} |
155 |
|
156 |
|
157 |
void |
158 |
place_fountain_with_specials (maptile *map) |
159 |
{ |
160 |
int ix, iy, i = -1, tries = 0; |
161 |
maptile *fountain_style = find_style ("/styles/misc", "fountains", -1); |
162 |
|
163 |
if (!fountain_style) |
164 |
{ |
165 |
LOG (llevError, "unable to load stylemap /styles/misc fountains\n"); |
166 |
return; |
167 |
} |
168 |
|
169 |
object *fountain = get_archetype ("fountain"); |
170 |
object *potion = object::create (); |
171 |
|
172 |
fountain_style->pick_random_object ()->copy_to (potion); |
173 |
|
174 |
while (i < 0 && tries < 10) |
175 |
{ |
176 |
ix = rndm (map->width - 2) + 1; |
177 |
iy = rndm (map->height - 2) + 1; |
178 |
i = find_free_spot (fountain, map, ix, iy, 1, SIZEOFFREE1 + 1); |
179 |
tries++; |
180 |
} |
181 |
|
182 |
if (i == -1) |
183 |
{ /* can't place fountain */ |
184 |
fountain->destroy (); |
185 |
potion->destroy (); |
186 |
return; |
187 |
} |
188 |
|
189 |
ix += freearr_x[i]; |
190 |
iy += freearr_y[i]; |
191 |
potion->face = fountain->face; |
192 |
SET_FLAG (potion, FLAG_NO_PICK); |
193 |
SET_FLAG (potion, FLAG_IDENTIFIED); |
194 |
potion->name = potion->name_pl = "fountain"; |
195 |
potion->x = ix; |
196 |
potion->y = iy; |
197 |
potion->materialname = "adamantium"; |
198 |
fountain->x = ix; |
199 |
fountain->y = iy; |
200 |
insert_ob_in_map (fountain, map, NULL, 0); |
201 |
insert_ob_in_map (potion, map, NULL, 0); |
202 |
} |
203 |
|
204 |
void |
205 |
place_special_exit (maptile *map, int hole_type, random_map_params *RP) |
206 |
{ |
207 |
int ix, iy, i = -1; |
208 |
char buf[16384]; |
209 |
const char *style, *decor, *mon; |
210 |
maptile *exit_style = find_style ("/styles/misc", "obscure_exits", -1); |
211 |
int g_xsize, g_ysize; |
212 |
|
213 |
if (!exit_style) |
214 |
{ |
215 |
LOG (llevError, "unabel to load stylemap /styles/misc obscure_exits\n"); |
216 |
return; |
217 |
} |
218 |
|
219 |
object *the_exit = object::create (); |
220 |
|
221 |
if (!exit_style) |
222 |
return; |
223 |
|
224 |
exit_style->pick_random_object ()->copy_to (the_exit); |
225 |
|
226 |
// put an upper bound here, just in case |
227 |
for (int repeat = 8192; --repeat; ) |
228 |
{ |
229 |
ix = rndm (map->width - 2) + 1; |
230 |
iy = rndm (map->height - 2) + 1; |
231 |
|
232 |
i = find_free_spot (the_exit, map, ix, iy, 1, SIZEOFFREE1 + 1); |
233 |
if (i >= 0) |
234 |
{ |
235 |
ix += freearr_x[i]; |
236 |
iy += freearr_y[i]; |
237 |
break; |
238 |
} |
239 |
} |
240 |
|
241 |
the_exit->x = ix; |
242 |
the_exit->y = iy; |
243 |
|
244 |
if (!hole_type) |
245 |
hole_type = rndm (NR_OF_HOLE_TYPES) + 1; |
246 |
|
247 |
switch (hole_type) |
248 |
{ |
249 |
case GLORY_HOLE: /* treasures */ |
250 |
{ |
251 |
g_xsize = rndm (3) + 4 + RP->difficulty / 4; |
252 |
g_ysize = rndm (3) + 4 + RP->difficulty / 4; |
253 |
style = "onion"; |
254 |
decor = "wealth2"; |
255 |
mon = "none"; |
256 |
break; |
257 |
} |
258 |
|
259 |
case ORC_ZONE: /* hole with orcs in it. */ |
260 |
{ |
261 |
g_xsize = rndm (3) + 4 + RP->difficulty / 4; |
262 |
g_ysize = rndm (3) + 4 + RP->difficulty / 4; |
263 |
style = "onion"; |
264 |
decor = "wealth2"; |
265 |
mon = "orc"; |
266 |
break; |
267 |
} |
268 |
|
269 |
case MINING_ZONE: /* hole with orcs in it. */ |
270 |
{ |
271 |
g_xsize = rndm (9) + 4 + RP->difficulty / 4; |
272 |
g_ysize = rndm (9) + 4 + RP->difficulty / 4; |
273 |
style = "maze"; |
274 |
decor = "minerals2"; |
275 |
mon = "none"; |
276 |
break; |
277 |
} |
278 |
|
279 |
default: /* undefined */ |
280 |
LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type); |
281 |
return; |
282 |
break; |
283 |
} |
284 |
|
285 |
/* Need to be at least this size, otherwise the load |
286 |
* code will generate new size values which are too large. |
287 |
*/ |
288 |
if (g_xsize < MIN_RANDOM_MAP_SIZE) |
289 |
g_xsize = MIN_RANDOM_MAP_SIZE; |
290 |
if (g_ysize < MIN_RANDOM_MAP_SIZE) |
291 |
g_ysize = MIN_RANDOM_MAP_SIZE; |
292 |
|
293 |
write_parameters_to_string (buf, g_xsize, g_ysize, RP->wallstyle, RP->floorstyle, mon, |
294 |
"none", style, decor, "none", RP->exitstyle, 0, 0, 0, |
295 |
RMOPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level, |
296 |
RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase); |
297 |
the_exit->slaying = "/!"; |
298 |
the_exit->msg = buf; |
299 |
|
300 |
insert_ob_in_map (the_exit, map, NULL, 0); |
301 |
} |
302 |
|
303 |
|
304 |
void |
305 |
place_specials_in_map (maptile *map, char **layout, random_map_params *RP) |
306 |
{ |
307 |
maptile *special_map; |
308 |
int ix, iy; /* map insertion locatons */ |
309 |
int special_type; /* type of special to make */ |
310 |
|
311 |
special_type = rndm (NUM_OF_SPECIAL_TYPES); |
312 |
|
313 |
switch (special_type) |
314 |
{ |
315 |
case SPECIAL_SUBMAP: |
316 |
/* includes a special map into the random map being made. */ |
317 |
special_map = find_style ("/styles/specialmaps", 0, RP->difficulty); |
318 |
|
319 |
if (!special_map) |
320 |
return; |
321 |
|
322 |
if (find_spot_for_submap (map, layout, &ix, &iy, special_map->width, special_map->height)) |
323 |
include_map_in_map (map, special_map, ix, iy); |
324 |
|
325 |
break; |
326 |
|
327 |
case SPECIAL_FOUNTAIN: |
328 |
/* Make a special fountain: an unpickable potion disguised as |
329 |
a fountain, or rather, colocated with a fountain. */ |
330 |
place_fountain_with_specials (map); |
331 |
break; |
332 |
|
333 |
case SPECIAL_EXIT: |
334 |
/* Make an exit to another random map, e.g. a gloryhole. */ |
335 |
place_special_exit (map, 0, RP); |
336 |
break; |
337 |
} |
338 |
|
339 |
} |