1 |
/* |
2 |
CrossFire, A Multiplayer game for X-windows |
3 |
|
4 |
Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 |
Copyright (C) 1992 Frank Tore Johansen |
6 |
|
7 |
This program is free software; you can redistribute it and/or modify |
8 |
it under the terms of the GNU General Public License as published by |
9 |
the Free Software Foundation; either version 2 of the License, or |
10 |
(at your option) any later version. |
11 |
|
12 |
This program is distributed in the hope that it will be useful, |
13 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 |
GNU General Public License for more details. |
16 |
|
17 |
You should have received a copy of the GNU General Public License |
18 |
along with this program; if not, write to the Free Software |
19 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 |
|
21 |
The authors can be reached via e-mail at <crossfire@schmorp.de> |
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 (mapstruct *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 |
remove_ob (tmp); |
61 |
free_object (tmp); |
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 (mapstruct *dest_map, mapstruct *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, MAP_WIDTH (in_map), MAP_HEIGHT (in_map)); |
84 |
|
85 |
for (i = 0; i < MAP_WIDTH (in_map); i++) |
86 |
for (j = 0; j < MAP_HEIGHT (in_map); 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 (mapstruct *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 (map) || 2 * ysize > MAP_HEIGHT (map)) |
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 = RANDOM () % (MAP_WIDTH (map) - xsize - 2) + 1; |
123 |
j = RANDOM () % (MAP_HEIGHT (map) - 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 = RANDOM () % (MAP_WIDTH (map) - xsize - 2) + 1; |
141 |
j = RANDOM () % (MAP_HEIGHT (map) - 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 (mapstruct *map) |
159 |
{ |
160 |
int ix, iy, i = -1, tries = 0; |
161 |
mapstruct *fountain_style = find_style ("/styles/misc", "fountains", -1); |
162 |
object *fountain = get_archetype ("fountain"); |
163 |
object *potion = get_object (); |
164 |
|
165 |
copy_object (pick_random_object (fountain_style), potion); |
166 |
while (i < 0 && tries < 10) |
167 |
{ |
168 |
ix = RANDOM () % (MAP_WIDTH (map) - 2) + 1; |
169 |
iy = RANDOM () % (MAP_HEIGHT (map) - 2) + 1; |
170 |
i = find_first_free_spot (fountain, map, ix, iy); |
171 |
tries++; |
172 |
}; |
173 |
if (i == -1) |
174 |
{ /* can't place fountain */ |
175 |
free_object (fountain); |
176 |
free_object (potion); |
177 |
return; |
178 |
} |
179 |
ix += freearr_x[i]; |
180 |
iy += freearr_y[i]; |
181 |
potion->face = fountain->face; |
182 |
SET_FLAG (potion, FLAG_NO_PICK); |
183 |
SET_FLAG (potion, FLAG_IDENTIFIED); |
184 |
potion->name = potion->name_pl = "fountain"; |
185 |
potion->x = ix; |
186 |
potion->y = iy; |
187 |
potion->material = M_ADAMANT; |
188 |
fountain->x = ix; |
189 |
fountain->y = iy; |
190 |
insert_ob_in_map (fountain, map, NULL, 0); |
191 |
insert_ob_in_map (potion, map, NULL, 0); |
192 |
|
193 |
} |
194 |
|
195 |
void |
196 |
place_special_exit (mapstruct *map, int hole_type, RMParms * RP) |
197 |
{ |
198 |
int ix, iy, i = -1; |
199 |
char buf[HUGE_BUF], *style, *decor, *mon; |
200 |
mapstruct *exit_style = find_style ("/styles/misc", "obscure_exits", -1); |
201 |
int g_xsize, g_ysize; |
202 |
|
203 |
object *the_exit = get_object (); |
204 |
|
205 |
if (!exit_style) |
206 |
return; |
207 |
|
208 |
copy_object (pick_random_object (exit_style), the_exit); |
209 |
|
210 |
while (i < 0) |
211 |
{ |
212 |
ix = RANDOM () % (MAP_WIDTH (map) - 2) + 1; |
213 |
iy = RANDOM () % (MAP_HEIGHT (map) - 2) + 1; |
214 |
i = find_first_free_spot (the_exit, map, ix, iy); |
215 |
} |
216 |
|
217 |
ix += freearr_x[i]; |
218 |
iy += freearr_y[i]; |
219 |
the_exit->x = ix; |
220 |
the_exit->y = iy; |
221 |
|
222 |
if (!hole_type) |
223 |
hole_type = RANDOM () % NR_OF_HOLE_TYPES + 1; |
224 |
|
225 |
switch (hole_type) |
226 |
{ |
227 |
case GLORY_HOLE: /* treasures */ |
228 |
{ |
229 |
g_xsize = RANDOM () % 3 + 4 + RP->difficulty / 4; |
230 |
g_ysize = RANDOM () % 3 + 4 + RP->difficulty / 4; |
231 |
style = "onion"; |
232 |
decor = "wealth2"; |
233 |
mon = "none"; |
234 |
break; |
235 |
} |
236 |
|
237 |
case ORC_ZONE: /* hole with orcs in it. */ |
238 |
{ |
239 |
g_xsize = RANDOM () % 3 + 4 + RP->difficulty / 4; |
240 |
g_ysize = RANDOM () % 3 + 4 + RP->difficulty / 4; |
241 |
style = "onion"; |
242 |
decor = "wealth2"; |
243 |
mon = "orc"; |
244 |
break; |
245 |
} |
246 |
|
247 |
case MINING_ZONE: /* hole with orcs in it. */ |
248 |
{ |
249 |
g_xsize = RANDOM () % 9 + 4 + RP->difficulty / 4; |
250 |
g_ysize = RANDOM () % 9 + 4 + RP->difficulty / 4; |
251 |
style = "maze"; |
252 |
decor = "minerals2"; |
253 |
mon = "none"; |
254 |
break; |
255 |
} |
256 |
|
257 |
default: /* undefined */ |
258 |
LOG (llevError, "place_special_exit: undefined hole type %d\n", hole_type); |
259 |
return; |
260 |
break; |
261 |
} |
262 |
|
263 |
/* Need to be at least this size, otherwise the load |
264 |
* code will generate new size values which are too large. |
265 |
*/ |
266 |
if (g_xsize < MIN_RANDOM_MAP_SIZE) |
267 |
g_xsize = MIN_RANDOM_MAP_SIZE; |
268 |
if (g_ysize < MIN_RANDOM_MAP_SIZE) |
269 |
g_ysize = MIN_RANDOM_MAP_SIZE; |
270 |
|
271 |
write_parameters_to_string (buf, g_xsize, g_ysize, RP->wallstyle, RP->floorstyle, mon, |
272 |
"none", style, decor, "none", RP->exitstyle, 0, 0, 0, |
273 |
OPT_WALLS_ONLY, 0, 0, 1, RP->dungeon_level, RP->dungeon_level, |
274 |
RP->difficulty, RP->difficulty, -1, 1, 0, 0, 0, 0, RP->difficulty_increase); |
275 |
the_exit->slaying = "/!"; |
276 |
the_exit->msg = buf; |
277 |
|
278 |
insert_ob_in_map (the_exit, map, NULL, 0); |
279 |
} |
280 |
|
281 |
|
282 |
void |
283 |
place_specials_in_map (mapstruct *map, char **layout, RMParms * RP) |
284 |
{ |
285 |
mapstruct *special_map; |
286 |
int ix, iy; /* map insertion locatons */ |
287 |
int special_type; /* type of special to make */ |
288 |
|
289 |
|
290 |
special_type = RANDOM () % NUM_OF_SPECIAL_TYPES; |
291 |
switch (special_type) |
292 |
{ |
293 |
|
294 |
/* includes a special map into the random map being made. */ |
295 |
case SPECIAL_SUBMAP: |
296 |
{ |
297 |
special_map = find_style ("/styles/specialmaps", 0, RP->difficulty); |
298 |
if (special_map == NULL) |
299 |
return; |
300 |
|
301 |
if (find_spot_for_submap (map, layout, &ix, &iy, MAP_WIDTH (special_map), MAP_HEIGHT (special_map))) |
302 |
include_map_in_map (map, special_map, ix, iy); |
303 |
break; |
304 |
} |
305 |
|
306 |
/* Make a special fountain: an unpickable potion disguised as |
307 |
a fountain, or rather, colocated with a fountain. */ |
308 |
case SPECIAL_FOUNTAIN: |
309 |
{ |
310 |
place_fountain_with_specials (map); |
311 |
break; |
312 |
} |
313 |
|
314 |
/* Make an exit to another random map, e.g. a gloryhole. */ |
315 |
case SPECIAL_EXIT: |
316 |
{ |
317 |
place_special_exit (map, 0, RP); |
318 |
break; |
319 |
} |
320 |
} |
321 |
|
322 |
} |