… | |
… | |
221 | if (x < dist.w - 1 && !dist [x + 1][y]) push_flood_fill (dist, seeds, x + 1, y); |
221 | if (x < dist.w - 1 && !dist [x + 1][y]) push_flood_fill (dist, seeds, x + 1, y); |
222 | } |
222 | } |
223 | } |
223 | } |
224 | |
224 | |
225 | static inline void |
225 | static inline void |
226 | make_tunnel (layout &dist, pointlist &seeds, int x, int y, U8 d) |
226 | make_tunnel (layout &dist, pointlist &seeds, int x, int y, U8 d, int perturb) |
227 | { |
227 | { |
228 | for (;;) |
228 | for (;;) |
229 | { |
229 | { |
230 | point neigh[4]; |
230 | point neigh[4]; |
231 | int ncnt = 0; |
231 | int ncnt = 0; |
232 | |
232 | |
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|
233 | d += perturb > 1; |
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|
234 | |
233 | if (x > 0 && U8 (dist [x - 1][y]) <= d && dist [x - 1][y] > 1) neigh [ncnt++] = point (x - 1, y); |
235 | if (x > 0 && U8 (dist [x - 1][y]) < d && dist [x - 1][y] > 1) neigh [ncnt++] = point (x - 1, y); |
234 | if (x < dist.w - 1 && U8 (dist [x + 1][y]) <= d && dist [x + 1][y] > 1) neigh [ncnt++] = point (x + 1, y); |
236 | if (x < dist.w - 1 && U8 (dist [x + 1][y]) < d && dist [x + 1][y] > 1) neigh [ncnt++] = point (x + 1, y); |
235 | if (y > 0 && U8 (dist [x][y - 1]) <= d && dist [x][y - 1] > 1) neigh [ncnt++] = point (x, y - 1); |
237 | if (y > 0 && U8 (dist [x][y - 1]) < d && dist [x][y - 1] > 1) neigh [ncnt++] = point (x, y - 1); |
236 | if (y < dist.h - 1 && U8 (dist [x][y + 1]) <= d && dist [x][y + 1] > 1) neigh [ncnt++] = point (x, y + 1); |
238 | if (y < dist.h - 1 && U8 (dist [x][y + 1]) < d && dist [x][y + 1] > 1) neigh [ncnt++] = point (x, y + 1); |
237 | |
239 | |
238 | if (!ncnt) |
240 | if (!ncnt) |
239 | return; |
241 | return; |
240 | |
242 | |
241 | point &p = neigh [rmg_rndm (ncnt)]; |
243 | point &p = neigh [perturb ? rmg_rndm (ncnt) : 0]; |
242 | |
244 | |
243 | seeds.push (p); |
245 | seeds.push (p); |
244 | |
246 | |
245 | x = p.x; |
247 | x = p.x; |
246 | y = p.y; |
248 | y = p.y; |
… | |
… | |
264 | } |
266 | } |
265 | |
267 | |
266 | // isolation remover, works on a "distance" map |
268 | // isolation remover, works on a "distance" map |
267 | // the map must be initialised with 0 == rooms, 255 = walls |
269 | // the map must be initialised with 0 == rooms, 255 = walls |
268 | static void noinline |
270 | static void noinline |
269 | isolation_remover (layout &dist) |
271 | isolation_remover (layout &dist, unsigned int perturb = 2) |
270 | { |
272 | { |
271 | // dist contains |
273 | // dist contains |
272 | // 0 == invisited rooms |
274 | // 0 == invisited rooms |
273 | // 1 == visited rooms |
275 | // 1 == visited rooms |
274 | // 2+ shortest distance to random near room |
276 | // 2+ shortest distance to random near room |
275 | |
277 | |
|
|
278 | max_it (perturb, 0); |
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|
279 | min_it (perturb, 2); |
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|
280 | |
276 | // phase 1, find seed |
281 | // phase 1, find seed |
277 | int cnt = 0; |
282 | int cnt = 0; |
278 | int x, y; |
283 | int x, y; |
279 | |
284 | |
280 | for (int i = 0; i < dist.w; ++i) |
285 | for (int i = 0; i < dist.w; ++i) |
… | |
… | |
311 | |
316 | |
312 | if (!dist [x][y]) |
317 | if (!dist [x][y]) |
313 | { |
318 | { |
314 | // found new isolated area, make tunnel |
319 | // found new isolated area, make tunnel |
315 | push_flood_fill (dist, seeds, x, y); |
320 | push_flood_fill (dist, seeds, x, y); |
316 | make_tunnel (dist, seeds, x, y, 255); |
321 | make_tunnel (dist, seeds, x, y, 254, perturb); |
317 | } |
322 | } |
318 | else |
323 | else |
319 | { |
324 | { |
320 | // nothing here, continue to expand |
325 | // nothing here, continue to expand |
321 | U8 d = U8 (dist [x][y]) + 1; |
326 | U8 d = U8 (dist [x][y]) + 1; |
… | |
… | |
327 | } |
332 | } |
328 | } |
333 | } |
329 | } |
334 | } |
330 | |
335 | |
331 | void |
336 | void |
332 | layout::isolation_remover () |
337 | layout::isolation_remover (int perturb) |
333 | { |
338 | { |
334 | layout dist (w - 2, h - 2); // map without border |
339 | layout dist (w - 2, h - 2); // map without border |
335 | |
340 | |
336 | for (int x = 1; x < w - 1; ++x) |
341 | for (int x = 1; x < w - 1; ++x) |
337 | for (int y = 1; y < h - 1; ++y) |
342 | for (int y = 1; y < h - 1; ++y) |
338 | dist [x - 1][y - 1] = data [x][y] == '#' ? U8 (255) : 0; |
343 | dist [x - 1][y - 1] = data [x][y] == '#' ? U8 (255) : 0; |
339 | |
344 | |
340 | ::isolation_remover (dist); |
345 | ::isolation_remover (dist, perturb); |
341 | |
346 | |
342 | // now copy the tunnels over |
347 | // now copy the tunnels over |
343 | for (int x = 1; x < w - 1; ++x) |
348 | for (int x = 1; x < w - 1; ++x) |
344 | for (int y = 1; y < h - 1; ++y) |
349 | for (int y = 1; y < h - 1; ++y) |
345 | if (data [x][y] == '#' && dist [x - 1][y - 1] == 1) |
350 | if (data [x][y] == '#' && dist [x - 1][y - 1] == 1) |
… | |
… | |
809 | break; |
814 | break; |
810 | } |
815 | } |
811 | |
816 | |
812 | border (); |
817 | border (); |
813 | isolation_remover (); |
818 | isolation_remover (); |
|
|
819 | } |
|
|
820 | |
|
|
821 | void |
|
|
822 | layout::gen_castle () |
|
|
823 | { |
|
|
824 | fill ('#'); |
|
|
825 | |
|
|
826 | for (int n = w * h / 30 + 1; n--; ) |
|
|
827 | { |
|
|
828 | int rw = rmg_rndm (6, 10); |
|
|
829 | int rh = rmg_rndm (6, 10); |
|
|
830 | |
|
|
831 | int rx = rmg_rndm (0, w - rw); |
|
|
832 | int ry = rmg_rndm (0, h - rh); |
|
|
833 | |
|
|
834 | rect (rx, ry, rx + rw, ry + rh, '#'); |
|
|
835 | fill_rect (rx + 1, ry + 1, rx + rw - 1, ry + rh - 1, 0); |
|
|
836 | } |
|
|
837 | |
|
|
838 | border (); |
|
|
839 | isolation_remover (0); |
814 | } |
840 | } |
815 | |
841 | |
816 | static void |
842 | static void |
817 | gen_mixed_ (layout &maze, random_map_params *RP, int dir) |
843 | gen_mixed_ (layout &maze, random_map_params *RP, int dir) |
818 | { |
844 | { |
… | |
… | |
922 | if (rmg_rndm (2)) |
948 | if (rmg_rndm (2)) |
923 | doorify (); |
949 | doorify (); |
924 | |
950 | |
925 | break; |
951 | break; |
926 | |
952 | |
|
|
953 | case LAYOUT_CASTLE: |
|
|
954 | gen_castle (); |
|
|
955 | |
|
|
956 | if (rmg_rndm (2)) |
|
|
957 | doorify (); |
|
|
958 | |
|
|
959 | break; |
|
|
960 | |
927 | case LAYOUT_MULTIPLE: |
961 | case LAYOUT_MULTIPLE: |
928 | gen_mixed (*this, RP); |
962 | gen_mixed (*this, RP); |
929 | break; |
963 | break; |
930 | |
964 | |
931 | default: |
965 | default: |
… | |
… | |
943 | rmg_rndm.seed (time (0)); |
977 | rmg_rndm.seed (time (0)); |
944 | |
978 | |
945 | for(int i=1;i<100;i++) |
979 | for(int i=1;i<100;i++) |
946 | { |
980 | { |
947 | layout maze (40, 25); |
981 | layout maze (40, 25); |
948 | maze.fill_rand (85); |
982 | maze.gen_castle (); |
949 | maze.border (); |
983 | maze.doorify (); |
950 | maze.isolation_remover (); |
|
|
951 | maze.print (); |
984 | maze.print (); |
|
|
985 | exit(0); |
952 | } |
986 | } |
953 | |
987 | |
954 | exit (1); |
988 | exit (1); |
955 | } |
989 | } |
956 | } demo; |
990 | } demo; |