| 1 |
/* |
| 2 |
* This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
| 3 |
* |
| 4 |
* Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
| 5 |
* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
| 6 |
* Copyright (©) 1992,2007 Frank Tore Johansen |
| 7 |
* |
| 8 |
* Crossfire TRT 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 <crossfire@schmorp.de> |
| 22 |
*/ |
| 23 |
|
| 24 |
#include <global.h> |
| 25 |
#include <random_map.h> |
| 26 |
#include <rproto.h> |
| 27 |
|
| 28 |
/* Put in the walls and autojoin them. */ |
| 29 |
|
| 30 |
|
| 31 |
/* given a layout and a coordinate, tell me which squares up/down/right/left |
| 32 |
are occupied. */ |
| 33 |
|
| 34 |
int |
| 35 |
surround_flag (char **layout, int i, int j, random_map_params *RP) |
| 36 |
{ |
| 37 |
/* 1 = wall to left, |
| 38 |
2 = wall to right, |
| 39 |
4 = wall above |
| 40 |
8 = wall below */ |
| 41 |
int surround_index = 0; |
| 42 |
|
| 43 |
if ((i > 0) && layout[i - 1][j] != 0) |
| 44 |
surround_index |= 1; |
| 45 |
if ((i < RP->Xsize - 1) && layout[i + 1][j] != 0) |
| 46 |
surround_index |= 2; |
| 47 |
if ((j > 0) && layout[i][j - 1] != 0) |
| 48 |
surround_index |= 4; |
| 49 |
if ((j < RP->Ysize - 1) && layout[i][j + 1] != 0) |
| 50 |
surround_index |= 8; |
| 51 |
return surround_index; |
| 52 |
} |
| 53 |
|
| 54 |
|
| 55 |
/* like surround_flag, but only walls count. |
| 56 |
*/ |
| 57 |
|
| 58 |
int |
| 59 |
surround_flag2 (char **layout, int i, int j, random_map_params *RP) |
| 60 |
{ |
| 61 |
/* 1 = wall to left, |
| 62 |
2 = wall to right, |
| 63 |
4 = wall above |
| 64 |
8 = wall below */ |
| 65 |
int surround_index = 0; |
| 66 |
|
| 67 |
if ((i > 0) && layout[i - 1][j] == '#') |
| 68 |
surround_index |= 1; |
| 69 |
if ((i < RP->Xsize - 1) && layout[i + 1][j] == '#') |
| 70 |
surround_index |= 2; |
| 71 |
if ((j > 0) && layout[i][j - 1] == '#') |
| 72 |
surround_index |= 4; |
| 73 |
if ((j < RP->Ysize - 1) && layout[i][j + 1] == '#') |
| 74 |
surround_index |= 8; |
| 75 |
return surround_index; |
| 76 |
} |
| 77 |
|
| 78 |
|
| 79 |
/* like surround_flag, except it checks a map, not a layout. |
| 80 |
* Since this is part of the random map code, presumption |
| 81 |
* is that this is not a tiled map. |
| 82 |
* What is considered blocking and not is somewhat hard coded. |
| 83 |
*/ |
| 84 |
int |
| 85 |
surround_flag3 (maptile *map, sint16 i, sint16 j, random_map_params *RP) |
| 86 |
{ |
| 87 |
/* |
| 88 |
* 1 = blocked to left, |
| 89 |
* 2 = blocked to right, |
| 90 |
* 4 = blocked above |
| 91 |
* 8 = blocked below |
| 92 |
*/ |
| 93 |
|
| 94 |
int surround_index = 0; |
| 95 |
|
| 96 |
// don't forget to update the mapspace! |
| 97 |
if (i > 0) map->at (i - 1, j ).update (); |
| 98 |
if (i < RP->Xsize - 1) map->at (i + 1, j ).update (); |
| 99 |
if (j > 0) map->at (i , j - 1).update (); |
| 100 |
if (j < RP->Ysize - 1) map->at (i , j + 1).update (); |
| 101 |
|
| 102 |
if ((i > 0) && (GET_MAP_MOVE_BLOCK (map, i - 1, j) & MOVE_WALK)) |
| 103 |
surround_index |= 1; |
| 104 |
if ((i < RP->Xsize - 1) && (GET_MAP_MOVE_BLOCK (map, i + 1, j) & MOVE_WALK)) |
| 105 |
surround_index |= 2; |
| 106 |
if ((j > 0) && (GET_MAP_MOVE_BLOCK (map, i, j - 1) & MOVE_WALK)) |
| 107 |
surround_index |= 4; |
| 108 |
if ((j < RP->Ysize - 1) && (GET_MAP_MOVE_BLOCK (map, i, j + 1) & MOVE_WALK)) |
| 109 |
surround_index |= 8; |
| 110 |
|
| 111 |
return surround_index; |
| 112 |
} |
| 113 |
|
| 114 |
/* like surround_flag2, except it checks a map, not a layout. */ |
| 115 |
|
| 116 |
int |
| 117 |
surround_flag4 (maptile *map, int i, int j, random_map_params *RP) |
| 118 |
{ |
| 119 |
/* 1 = blocked to left, |
| 120 |
2 = blocked to right, |
| 121 |
4 = blocked above |
| 122 |
8 = blocked below */ |
| 123 |
int surround_index = 0; |
| 124 |
|
| 125 |
if ((i > 0) && wall_blocked (map, i - 1, j)) |
| 126 |
surround_index |= 1; |
| 127 |
if ((i < RP->Xsize - 1) && wall_blocked (map, i + 1, j)) |
| 128 |
surround_index |= 2; |
| 129 |
if ((j > 0) && wall_blocked (map, i, j - 1)) |
| 130 |
surround_index |= 4; |
| 131 |
if ((j < RP->Ysize - 1) && wall_blocked (map, i, j + 1)) |
| 132 |
surround_index |= 8; |
| 133 |
|
| 134 |
return surround_index; |
| 135 |
} |
| 136 |
|
| 137 |
/* takes a map and a layout, and puts walls in the map (picked from |
| 138 |
w_style) at '#' marks. */ |
| 139 |
|
| 140 |
void |
| 141 |
make_map_walls (maptile *map, char **layout, char *w_style, random_map_params *RP) |
| 142 |
{ |
| 143 |
char styledirname[1024]; |
| 144 |
char stylefilepath[1024]; |
| 145 |
maptile *style_map = 0; |
| 146 |
object *the_wall; |
| 147 |
|
| 148 |
/* get the style map */ |
| 149 |
if (!strcmp (w_style, "none")) |
| 150 |
return; |
| 151 |
sprintf (styledirname, "%s", "/styles/wallstyles"); |
| 152 |
sprintf (stylefilepath, "%s/%s", styledirname, w_style); |
| 153 |
style_map = find_style (styledirname, w_style, -1); |
| 154 |
if (!style_map) |
| 155 |
return; |
| 156 |
|
| 157 |
/* fill up the map with the given floor style */ |
| 158 |
if ((the_wall = style_map->pick_random_object ())) |
| 159 |
{ |
| 160 |
int i, j; |
| 161 |
char *cp; |
| 162 |
int joinedwalls = 0; |
| 163 |
object *thiswall; |
| 164 |
|
| 165 |
sprintf (RP->wall_name, "%s", &the_wall->arch->archname); |
| 166 |
if ((cp = strchr (RP->wall_name, '_')) != NULL) |
| 167 |
{ |
| 168 |
*cp = 0; |
| 169 |
joinedwalls = 1; |
| 170 |
} |
| 171 |
|
| 172 |
for (i = 0; i < RP->Xsize; i++) |
| 173 |
for (j = 0; j < RP->Ysize; j++) |
| 174 |
{ |
| 175 |
if (layout[i][j] == '#') |
| 176 |
{ |
| 177 |
if (joinedwalls) |
| 178 |
thiswall = pick_joined_wall (the_wall, layout, i, j, RP); |
| 179 |
else |
| 180 |
thiswall = arch_to_object (the_wall->arch); |
| 181 |
thiswall->x = i; |
| 182 |
thiswall->y = j; |
| 183 |
thiswall->move_block = MOVE_ALL; |
| 184 |
insert_ob_in_map (thiswall, map, thiswall, INS_NO_MERGE | INS_NO_WALK_ON); |
| 185 |
} |
| 186 |
} |
| 187 |
} |
| 188 |
} |
| 189 |
|
| 190 |
|
| 191 |
/* picks the right wall type for this square, to make it look nice, |
| 192 |
and have everything nicely joined. It uses the layout. */ |
| 193 |
|
| 194 |
object * |
| 195 |
pick_joined_wall (object *the_wall, char **layout, int i, int j, random_map_params *RP) |
| 196 |
{ |
| 197 |
/* 1 = wall to left, |
| 198 |
2 = wall to right, |
| 199 |
4 = wall above |
| 200 |
8 = wall below */ |
| 201 |
int surround_index = 0; |
| 202 |
int l; |
| 203 |
char wall_name[1024]; |
| 204 |
archetype *wall_arch = 0; |
| 205 |
|
| 206 |
assign (wall_name, the_wall->arch->archname); |
| 207 |
|
| 208 |
/* conventionally, walls are named like this: |
| 209 |
wallname_wallcode, where wallcode indicates |
| 210 |
a joinedness, and wallname is the wall. |
| 211 |
this code depends on the convention for |
| 212 |
finding the right wall. */ |
| 213 |
|
| 214 |
/* extract the wall name, which is the text up to the leading _ */ |
| 215 |
for (l = 0; l < 64; l++) |
| 216 |
{ |
| 217 |
if (wall_name[l] == '_') |
| 218 |
{ |
| 219 |
wall_name[l] = 0; |
| 220 |
break; |
| 221 |
} |
| 222 |
} |
| 223 |
|
| 224 |
surround_index = surround_flag2 (layout, i, j, RP); |
| 225 |
|
| 226 |
switch (surround_index) |
| 227 |
{ |
| 228 |
case 0: |
| 229 |
strcat (wall_name, "_0"); |
| 230 |
break; |
| 231 |
case 1: |
| 232 |
strcat (wall_name, "_1_3"); |
| 233 |
break; |
| 234 |
case 2: |
| 235 |
strcat (wall_name, "_1_4"); |
| 236 |
break; |
| 237 |
case 3: |
| 238 |
strcat (wall_name, "_2_1_2"); |
| 239 |
break; |
| 240 |
case 4: |
| 241 |
strcat (wall_name, "_1_2"); |
| 242 |
break; |
| 243 |
case 5: |
| 244 |
strcat (wall_name, "_2_2_4"); |
| 245 |
break; |
| 246 |
case 6: |
| 247 |
strcat (wall_name, "_2_2_1"); |
| 248 |
break; |
| 249 |
case 7: |
| 250 |
strcat (wall_name, "_3_1"); |
| 251 |
break; |
| 252 |
case 8: |
| 253 |
strcat (wall_name, "_1_1"); |
| 254 |
break; |
| 255 |
case 9: |
| 256 |
strcat (wall_name, "_2_2_3"); |
| 257 |
break; |
| 258 |
case 10: |
| 259 |
strcat (wall_name, "_2_2_2"); |
| 260 |
break; |
| 261 |
case 11: |
| 262 |
strcat (wall_name, "_3_3"); |
| 263 |
break; |
| 264 |
case 12: |
| 265 |
strcat (wall_name, "_2_1_1"); |
| 266 |
break; |
| 267 |
case 13: |
| 268 |
strcat (wall_name, "_3_4"); |
| 269 |
break; |
| 270 |
case 14: |
| 271 |
strcat (wall_name, "_3_2"); |
| 272 |
break; |
| 273 |
case 15: |
| 274 |
strcat (wall_name, "_4"); |
| 275 |
break; |
| 276 |
} |
| 277 |
wall_arch = archetype::find (wall_name); |
| 278 |
|
| 279 |
return wall_arch ? arch_to_object (wall_arch) : arch_to_object (the_wall->arch); |
| 280 |
} |
| 281 |
|
| 282 |
|
| 283 |
/* this takes a map, and changes an existing wall to match what's blocked |
| 284 |
* around it, counting only doors and walls as blocked. If insert_flag is |
| 285 |
* 1, it will go ahead and insert the wall into the map. If not, it |
| 286 |
* will only return the wall which would belong there, and doesn't |
| 287 |
* remove anything. It depends on the |
| 288 |
* global, previously-set variable, "wall_name" |
| 289 |
*/ |
| 290 |
|
| 291 |
object * |
| 292 |
retrofit_joined_wall (maptile *the_map, int i, int j, int insert_flag, random_map_params *RP) |
| 293 |
{ |
| 294 |
/* 1 = wall to left, |
| 295 |
* 2 = wall to right, |
| 296 |
* 4 = wall above |
| 297 |
* 8 = wall below |
| 298 |
*/ |
| 299 |
int surround_index = 0; |
| 300 |
int l; |
| 301 |
object *the_wall = 0; |
| 302 |
object *new_wall = 0; |
| 303 |
archetype *wall_arch = 0; |
| 304 |
|
| 305 |
/* first find the wall */ |
| 306 |
for (the_wall = GET_MAP_OB (the_map, i, j); the_wall != NULL; the_wall = the_wall->above) |
| 307 |
if ((the_wall->move_type & MOVE_WALK) && the_wall->type != EXIT && the_wall->type != TELEPORTER) |
| 308 |
break; |
| 309 |
|
| 310 |
|
| 311 |
/* if what we found is a door, don't remove it, set the_wall to NULL to |
| 312 |
* signal that later. |
| 313 |
*/ |
| 314 |
if (the_wall && (the_wall->type == DOOR || the_wall->type == LOCKED_DOOR)) |
| 315 |
{ |
| 316 |
the_wall = NULL; |
| 317 |
/* if we're not supposed to insert a new wall where there wasn't one, |
| 318 |
* we've gotta leave. |
| 319 |
*/ |
| 320 |
if (insert_flag == 0) |
| 321 |
return 0; |
| 322 |
} |
| 323 |
else if (the_wall == NULL) |
| 324 |
return NULL; |
| 325 |
|
| 326 |
/* canonicalize the wall name */ |
| 327 |
for (l = 0; l < 64; l++) |
| 328 |
{ |
| 329 |
if (RP->wall_name[l] == '_') |
| 330 |
{ |
| 331 |
RP->wall_name[l] = 0; |
| 332 |
break; |
| 333 |
} |
| 334 |
} |
| 335 |
|
| 336 |
surround_index = surround_flag4 (the_map, i, j, RP); |
| 337 |
/* This would be a lot cleaner to just us a lookup table, |
| 338 |
* eg, wall_suffix[surround_index] |
| 339 |
*/ |
| 340 |
switch (surround_index) |
| 341 |
{ |
| 342 |
case 0: |
| 343 |
strcat (RP->wall_name, "_0"); |
| 344 |
break; |
| 345 |
case 1: |
| 346 |
strcat (RP->wall_name, "_1_3"); |
| 347 |
break; |
| 348 |
case 2: |
| 349 |
strcat (RP->wall_name, "_1_4"); |
| 350 |
break; |
| 351 |
case 3: |
| 352 |
strcat (RP->wall_name, "_2_1_2"); |
| 353 |
break; |
| 354 |
case 4: |
| 355 |
strcat (RP->wall_name, "_1_2"); |
| 356 |
break; |
| 357 |
case 5: |
| 358 |
strcat (RP->wall_name, "_2_2_4"); |
| 359 |
break; |
| 360 |
case 6: |
| 361 |
strcat (RP->wall_name, "_2_2_1"); |
| 362 |
break; |
| 363 |
case 7: |
| 364 |
strcat (RP->wall_name, "_3_1"); |
| 365 |
break; |
| 366 |
case 8: |
| 367 |
strcat (RP->wall_name, "_1_1"); |
| 368 |
break; |
| 369 |
case 9: |
| 370 |
strcat (RP->wall_name, "_2_2_3"); |
| 371 |
break; |
| 372 |
case 10: |
| 373 |
strcat (RP->wall_name, "_2_2_2"); |
| 374 |
break; |
| 375 |
case 11: |
| 376 |
strcat (RP->wall_name, "_3_3"); |
| 377 |
break; |
| 378 |
case 12: |
| 379 |
strcat (RP->wall_name, "_2_1_1"); |
| 380 |
break; |
| 381 |
case 13: |
| 382 |
strcat (RP->wall_name, "_3_4"); |
| 383 |
break; |
| 384 |
case 14: |
| 385 |
strcat (RP->wall_name, "_3_2"); |
| 386 |
break; |
| 387 |
case 15: |
| 388 |
strcat (RP->wall_name, "_4"); |
| 389 |
break; |
| 390 |
} |
| 391 |
|
| 392 |
wall_arch = archetype::find (RP->wall_name); |
| 393 |
|
| 394 |
if (!wall_arch) |
| 395 |
{ |
| 396 |
new_wall = arch_to_object (wall_arch); |
| 397 |
new_wall->x = i; |
| 398 |
new_wall->y = j; |
| 399 |
|
| 400 |
if (the_wall && the_wall->map) |
| 401 |
{ |
| 402 |
the_wall->remove (); |
| 403 |
the_wall->destroy (); |
| 404 |
} |
| 405 |
|
| 406 |
the_wall->move_block = MOVE_ALL; |
| 407 |
insert_ob_in_map (new_wall, the_map, new_wall, INS_NO_MERGE | INS_NO_WALK_ON); |
| 408 |
} |
| 409 |
|
| 410 |
return new_wall; |
| 411 |
} |
