| … | |
… | |
| 23 | |
23 | |
| 24 | #include <global.h> |
24 | #include <global.h> |
| 25 | #include <random_map.h> |
25 | #include <random_map.h> |
| 26 | #include <rproto.h> |
26 | #include <rproto.h> |
| 27 | |
27 | |
|
|
28 | void noinline |
| 28 | layout::layout (int w, int h) |
29 | layout::alloc (int w, int h) |
| 29 | : w(w), h(h) |
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|
| 30 | { |
30 | { |
| 31 | assert (sizeof (cell) == 1); |
31 | assert (sizeof (cell) == 1); |
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32 | |
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33 | this->w = w; |
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34 | this->h = h; |
| 32 | |
35 | |
| 33 | // we store the layout in a single contiguous memory layout |
36 | // we store the layout in a single contiguous memory layout |
| 34 | // first part consists of pointers to each column, followed |
37 | // first part consists of pointers to each column, followed |
| 35 | // by the actual columns (not rows!) |
38 | // by the actual columns (not rows!) |
| 36 | int size = (sizeof (cell *) + sizeof (cell) * h) * w; |
39 | size = (sizeof (cell *) + sizeof (cell) * h) * w; |
| 37 | |
|
|
| 38 | data = (cell **)salloc<char> (size); |
40 | data = (cell **)salloc<char> (size); |
| 39 | |
41 | |
| 40 | cell *p = (cell *)(data + w); |
42 | cell *p = (cell *)(data + w); |
| 41 | |
43 | |
| 42 | for (int x = w; x--; ) |
44 | for (int x = 0; x < w; ++x) |
| 43 | data [x] = p + x * h; |
45 | data [x] = p + x * h; |
| 44 | } |
46 | } |
| 45 | |
47 | |
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48 | layout::layout (int w, int h) |
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49 | { |
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50 | alloc (w, h); |
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51 | } |
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52 | |
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53 | layout::layout (layout ©) |
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54 | { |
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55 | alloc (copy.w, copy.h); |
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56 | |
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57 | memcpy (data [0], copy.data [0], sizeof (cell) * h * w); |
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58 | } |
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59 | |
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60 | layout::layout (layout &orig, int x1, int y1, int x2, int y2) |
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61 | { |
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62 | w = x2 - x1; |
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63 | h = y2 - y1; |
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64 | |
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65 | // we only allocate space for the pointers |
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66 | size = sizeof (cell *) * w; |
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67 | data = (cell **)salloc<char> (size); |
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68 | |
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69 | // and now we point back into the original layout |
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70 | for (int x = 0; x < w; ++x) |
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71 | data [x] = orig.data [x + x1] + y1; |
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72 | } |
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73 | |
| 46 | layout::~layout () |
74 | layout::~layout () |
| 47 | { |
75 | { |
| 48 | int size = (sizeof (cell *) + sizeof (cell) * h) * w; |
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| 49 | |
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| 50 | sfree ((char *)data, size); |
76 | sfree ((char *)data, size); |
| 51 | } |
77 | } |
| 52 | |
78 | |
| 53 | void |
79 | void noinline |
| 54 | layout::fill (char fill) |
80 | layout::fill (char fill) |
| 55 | { |
81 | { |
| 56 | memset (data [0], fill, w * h); |
82 | //memset (data [0], fill, w * h); // only when contiguous :/ |
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83 | fill_rect (0, 0, w, h, fill); |
| 57 | } |
84 | } |
| 58 | |
85 | |
| 59 | void |
86 | void noinline |
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87 | layout::replace (char from, char to) |
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88 | { |
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89 | for (int x = 0; x < w; ++x) |
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90 | for (int y = 0; y < h; ++y) |
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91 | if (data [x][y] == from) |
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92 | data [x][y] = to; |
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93 | } |
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94 | |
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95 | void noinline |
| 60 | layout::rect (int x1, int y1, int x2, int y2, char fill) |
96 | layout::rect (int x1, int y1, int x2, int y2, char fill) |
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97 | { |
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98 | --x2; |
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99 | |
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100 | memset (data [x1] + y1, fill, y2 - y1); |
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101 | memset (data [x2] + y1, fill, y2 - y1); |
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102 | |
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103 | while (++x1 < x2) |
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104 | data [x1][y1] = data [x1][y2 - 1] = fill; |
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105 | } |
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106 | |
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107 | void noinline |
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108 | layout::fill_rect (int x1, int y1, int x2, int y2, char fill) |
| 61 | { |
109 | { |
| 62 | for (; x1 < x2; ++x1) |
110 | for (; x1 < x2; ++x1) |
| 63 | memset (data [x1] + y1, fill, y2 - y1); |
111 | memset (data [x1] + y1, fill, y2 - y1); |
| 64 | } |
112 | } |
| 65 | |
113 | |
| 66 | void layout::border (char fill) |
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| 67 | { |
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| 68 | for (int i = 0; i < w; i++) data [i][0] = data [i][h - 1] = fill; |
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| 69 | for (int j = 0; j < h; j++) data [0][j] = data [w - 1][j] = fill; |
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| 70 | } |
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| 71 | |
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| 72 | void |
114 | void |
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115 | layout::border (char fill) |
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116 | { |
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117 | rect (0, 0, w, h, fill); |
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118 | } |
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119 | |
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120 | void noinline |
| 73 | layout::fill_rand (int percent) |
121 | layout::fill_rand (int percent) |
| 74 | { |
122 | { |
| 75 | percent = lerp (percent, 0, 100, 0, 256); |
123 | percent = lerp (percent, 0, 100, 0, 256); |
| 76 | |
124 | |
| 77 | for (int x = w - 1; --x > 0; ) |
125 | for (int x = 0; x < w; ++x) |
| 78 | for (int y = h - 1; --y > 0; ) |
126 | for (int y = 0; y < h; ++y) |
| 79 | data [x][y] = rmg_rndm (256) > percent ? 0 : '#'; |
127 | data [x][y] = rmg_rndm (256) > percent ? 0 : '#'; |
| 80 | } |
128 | } |
| 81 | |
129 | |
| 82 | ///////////////////////////////////////////////////////////////////////////// |
130 | ///////////////////////////////////////////////////////////////////////////// |
| 83 | |
131 | |
| 84 | // erode by cellular automata |
132 | // erode by cellular automata |
| 85 | void |
133 | void noinline |
| 86 | layout::erode_1_2 (int c1, int c2, int repeat) |
134 | layout::erode_1_2 (int c1, int c2, int repeat) |
| 87 | { |
135 | { |
| 88 | layout neu (w, h); |
136 | layout neu (w, h); |
| 89 | |
137 | |
| 90 | while (repeat--) |
138 | while (repeat--) |
| … | |
… | |
| 156 | ///////////////////////////////////////////////////////////////////////////// |
204 | ///////////////////////////////////////////////////////////////////////////// |
| 157 | // isolation remover - ensures single connected area |
205 | // isolation remover - ensures single connected area |
| 158 | |
206 | |
| 159 | typedef fixed_stack<point> pointlist; |
207 | typedef fixed_stack<point> pointlist; |
| 160 | |
208 | |
| 161 | static noinline void |
209 | static void noinline |
| 162 | push_flood_fill (layout &dist, pointlist &seeds, int x, int y) |
210 | push_flood_fill (layout &dist, pointlist &seeds, int x, int y) |
| 163 | { |
211 | { |
| 164 | if (dist [x][y]) |
212 | if (dist [x][y]) |
| 165 | return; |
213 | return; |
| 166 | |
214 | |
| … | |
… | |
| 177 | ++y; |
225 | ++y; |
| 178 | } |
226 | } |
| 179 | |
227 | |
| 180 | while (--y >= y0) |
228 | while (--y >= y0) |
| 181 | { |
229 | { |
| 182 | if (x > 0) push_flood_fill (dist, seeds, x - 1, y); |
230 | if (x > 0 && !dist [x - 1][y]) push_flood_fill (dist, seeds, x - 1, y); |
| 183 | if (x < dist.w - 1) push_flood_fill (dist, seeds, x + 1, y); |
231 | if (x < dist.w - 1 && !dist [x + 1][y]) push_flood_fill (dist, seeds, x + 1, y); |
| 184 | } |
232 | } |
| 185 | } |
233 | } |
| 186 | |
234 | |
| 187 | static inline void |
235 | static void inline |
| 188 | make_tunnel (layout &dist, pointlist &seeds, int x, int y, U8 d) |
236 | make_tunnel (layout &dist, pointlist &seeds, int x, int y, U8 d, int perturb) |
| 189 | { |
237 | { |
| 190 | for (;;) |
238 | for (;;) |
| 191 | { |
239 | { |
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240 | point neigh[4]; |
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241 | int ncnt = 0; |
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242 | |
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243 | d += perturb > 1; |
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244 | |
| 192 | if (x > 1 && U8 (dist [x - 1][y]) < d && dist [x - 1][y] > 1) |
245 | if (x > 0 && U8 (dist [x - 1][y]) < d && dist [x - 1][y] > 1) neigh [ncnt++] = point (x - 1, y); |
| 193 | --x; |
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|
| 194 | else if (x < dist.w - 2 && U8 (dist [x + 1][y]) < d && dist [x + 1][y] > 1) |
246 | if (x < dist.w - 1 && U8 (dist [x + 1][y]) < d && dist [x + 1][y] > 1) neigh [ncnt++] = point (x + 1, y); |
| 195 | ++x; |
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|
| 196 | else if (y > 1 && U8 (dist [x][y - 1]) < d && dist [x][y - 1] > 1) |
247 | if (y > 0 && U8 (dist [x][y - 1]) < d && dist [x][y - 1] > 1) neigh [ncnt++] = point (x, y - 1); |
| 197 | --y; |
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|
| 198 | else if (y < dist.h - 2 && U8 (dist [x][y + 1]) < d && dist [x][y + 1] > 1) |
248 | if (y < dist.h - 1 && U8 (dist [x][y + 1]) < d && dist [x][y + 1] > 1) neigh [ncnt++] = point (x, y + 1); |
| 199 | ++y; |
249 | |
| 200 | else |
250 | if (!ncnt) |
| 201 | break; |
251 | return; |
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252 | |
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253 | point p = neigh [perturb ? rmg_rndm (ncnt) : 0]; |
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254 | |
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255 | seeds.push (p); |
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256 | |
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257 | x = p.x; |
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258 | y = p.y; |
| 202 | |
259 | |
| 203 | d = dist [x][y]; |
260 | d = dist [x][y]; |
| 204 | dist [x][y] = 1; |
261 | dist [x][y] = 1; |
| 205 | seeds.push (point (x, y)); |
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|
| 206 | } |
262 | } |
| 207 | } |
263 | } |
| 208 | |
264 | |
| 209 | static void inline |
265 | static void inline |
| 210 | maybe_push (layout &dist, pointlist &seeds, int x, int y, U8 d) |
266 | maybe_push (layout &dist, pointlist &seeds, int x, int y, U8 d) |
| … | |
… | |
| 217 | return; |
273 | return; |
| 218 | |
274 | |
| 219 | seeds.push (point (x, y)); |
275 | seeds.push (point (x, y)); |
| 220 | } |
276 | } |
| 221 | |
277 | |
| 222 | void |
278 | // isolation remover, works on a "distance" map |
| 223 | layout::isolation_remover (bool dirty) |
279 | // the map must be initialised with 0 == rooms, 255 = walls |
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280 | static void noinline |
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281 | isolation_remover (layout &dist, unsigned int perturb = 2) |
| 224 | { |
282 | { |
| 225 | layout dist (w, h); |
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| 226 | |
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| 227 | // dist contains |
283 | // dist contains |
| 228 | // 0 == invisited rooms |
284 | // 0 == invisited rooms |
| 229 | // 1 == visited rooms |
285 | // 1 == visited rooms |
| 230 | // 2+ shortest distance to random near room |
286 | // 2+ shortest distance to random near room |
| 231 | |
287 | |
| 232 | // phase 1, initialise dist array, find seed |
288 | clamp_it (perturb, 0, 2); |
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289 | |
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290 | // phase 1, find seed |
| 233 | int cnt = 0; |
291 | int cnt = 0; |
| 234 | int x, y; |
292 | int x, y; |
| 235 | |
293 | |
| 236 | for (int i = 0; i < w; ++i) |
294 | for (int i = 0; i < dist.w; ++i) |
| 237 | for (int j = 0; j < h; ++j) |
295 | for (int j = 0; j < dist.h; ++j) |
| 238 | { |
296 | if (!dist [i][j] && !rmg_rndm (++cnt)) |
| 239 | if (data [i][j] == '#') |
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| 240 | dist [i][j] = U8 (255); |
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| 241 | else |
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| 242 | { |
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| 243 | dist [i][j] = 0; |
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| 244 | if (!rmg_rndm (++cnt)) |
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| 245 | x = i, y = j; |
297 | x = i, y = j; |
| 246 | } |
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| 247 | } |
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| 248 | |
298 | |
| 249 | if (!cnt) |
299 | if (!cnt) |
| 250 | { |
300 | { |
| 251 | // map is completely massive, this is not good, |
301 | // map is completely massive, this is not good, |
| 252 | // so make it empty instead. |
302 | // so make it empty instead. |
| 253 | clear (); |
303 | dist.fill (1); |
| 254 | border (); |
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|
| 255 | return; |
304 | return; |
| 256 | } |
305 | } |
| 257 | |
306 | |
| 258 | fixed_stack<point> seeds (w * h * 5); |
307 | fixed_stack<point> seeds (dist.w * dist.h * 5); |
| 259 | |
308 | |
| 260 | // found first free space - picking the first one gives |
309 | // found first free space - picking the first one gives |
| 261 | // us a slight bias for tunnels, but usually you won't |
310 | // us a slight bias for tunnels, but usually you won't |
| 262 | // notice that in-game |
311 | // notice that in-game |
| 263 | seeds.push (point (x, y)); |
312 | seeds.push (point (x, y)); |
| … | |
… | |
| 275 | y = p.y; |
324 | y = p.y; |
| 276 | |
325 | |
| 277 | if (!dist [x][y]) |
326 | if (!dist [x][y]) |
| 278 | { |
327 | { |
| 279 | // found new isolated area, make tunnel |
328 | // found new isolated area, make tunnel |
| 280 | if (!dirty) |
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| 281 | push_flood_fill (dist, seeds, x, y); |
329 | push_flood_fill (dist, seeds, x, y); |
| 282 | |
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| 283 | make_tunnel (dist, seeds, x, y, 255); |
330 | make_tunnel (dist, seeds, x, y, 254, perturb); |
| 284 | |
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| 285 | if (dirty) |
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| 286 | push_flood_fill (dist, seeds, x, y); |
|
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| 287 | } |
331 | } |
| 288 | else |
332 | else |
| 289 | { |
333 | { |
| 290 | // nothing here, continue to expand |
334 | // nothing here, continue to expand |
| 291 | U8 d = U8 (dist [x][y]) + 1; |
335 | U8 d = U8 (dist [x][y]) + 1; |
| … | |
… | |
| 294 | if (x > 0) maybe_push (dist, seeds, x - 1, y, d); |
338 | if (x > 0) maybe_push (dist, seeds, x - 1, y, d); |
| 295 | if (y < dist.h - 1) maybe_push (dist, seeds, x, y + 1, d); |
339 | if (y < dist.h - 1) maybe_push (dist, seeds, x, y + 1, d); |
| 296 | if (y > 0) maybe_push (dist, seeds, x, y - 1, d); |
340 | if (y > 0) maybe_push (dist, seeds, x, y - 1, d); |
| 297 | } |
341 | } |
| 298 | } |
342 | } |
|
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343 | } |
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344 | |
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345 | void |
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346 | layout::isolation_remover (int perturb) |
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347 | { |
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348 | layout dist (w - 2, h - 2); // map without border |
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349 | |
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350 | for (int x = 1; x < w - 1; ++x) |
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351 | for (int y = 1; y < h - 1; ++y) |
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352 | dist [x - 1][y - 1] = data [x][y] == '#' ? U8 (255) : 0; |
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353 | |
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354 | ::isolation_remover (dist, perturb); |
| 299 | |
355 | |
| 300 | // now copy the tunnels over |
356 | // now copy the tunnels over |
| 301 | for (int x = 0; x < w; ++x) |
357 | for (int x = 1; x < w - 1; ++x) |
| 302 | for (int y = 0; y < h; ++y) |
358 | for (int y = 1; y < h - 1; ++y) |
| 303 | if (data [x][y] == '#' && dist [x][y] == 1) |
359 | if (data [x][y] == '#' && dist [x - 1][y - 1] == 1) |
| 304 | data [x][y] = 0; |
360 | data [x][y] = 0; |
| 305 | } |
|
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| 306 | |
|
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| 307 | ///////////////////////////////////////////////////////////////////////////// |
|
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| 308 | |
|
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| 309 | // inspired mostly by http://www.jimrandomh.org/misc/caves.txt |
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| 310 | void |
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| 311 | layout::gen_cave (int subtype) |
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| 312 | { |
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| 313 | switch (subtype) |
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| 314 | { |
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| 315 | // a rough cave |
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| 316 | case 0: |
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| 317 | fill_rand (rmg_rndm (80, 95)); |
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| 318 | break; |
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| 319 | |
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| 320 | // corridors |
|
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| 321 | case 1: |
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| 322 | fill_rand (rmg_rndm (5, 40)); |
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| 323 | erode_1_2 (5, 2, 10); |
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| 324 | erode_1_2 (5, -1, 10); |
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| 325 | erode_1_2 (5, 2, 1); |
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| 326 | break; |
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| 327 | |
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| 328 | // somewhat open, roundish |
|
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| 329 | case 2: |
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| 330 | fill_rand (45); |
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| 331 | erode_1_2 (5, 0, 5); |
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| 332 | erode_1_2 (5, 1, 1); |
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| 333 | break; |
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| 334 | |
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| 335 | // wide open, some room-like structures |
|
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| 336 | case 3: |
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| 337 | fill_rand (45); |
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| 338 | erode_1_2 (5, 2, 4); |
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| 339 | erode_1_2 (5, -1, 3); |
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| 340 | break; |
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| 341 | } |
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| 342 | |
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| 343 | border (); |
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| 344 | isolation_remover (); |
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| 345 | } |
361 | } |
| 346 | |
362 | |
| 347 | ///////////////////////////////////////////////////////////////////////////// |
363 | ///////////////////////////////////////////////////////////////////////////// |
| 348 | |
364 | |
| 349 | //+GPL |
365 | //+GPL |
| … | |
… | |
| 351 | /* puts doors at appropriate locations in a maze. */ |
367 | /* puts doors at appropriate locations in a maze. */ |
| 352 | void |
368 | void |
| 353 | layout::doorify () |
369 | layout::doorify () |
| 354 | { |
370 | { |
| 355 | int ndoors = w * h / 60; /* reasonable number of doors. */ |
371 | int ndoors = w * h / 60; /* reasonable number of doors. */ |
| 356 | int doorlocs = 0; /* # of available doorlocations */ |
|
|
| 357 | |
372 | |
| 358 | uint16 *doorlist_x = salloc<uint16> (w * h); |
373 | coroapi::cede_to_tick (); |
| 359 | uint16 *doorlist_y = salloc<uint16> (w * h); |
374 | |
|
|
375 | fixed_stack<point> doorloc (w * h); |
| 360 | |
376 | |
| 361 | /* make a list of possible door locations */ |
377 | /* make a list of possible door locations */ |
| 362 | for (int i = 1; i < w - 1; i++) |
378 | for (int i = 1; i < w - 1; i++) |
| 363 | for (int j = 1; j < h - 1; j++) |
379 | for (int j = 1; j < h - 1; j++) |
| 364 | { |
380 | { |
| 365 | int sindex = surround_flag (*this, i, j); |
381 | int sindex = surround_flag (*this, i, j); |
| 366 | |
382 | |
| 367 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
383 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
| 368 | { |
384 | doorloc.push (point (i, j)); |
| 369 | doorlist_x [doorlocs] = i; |
|
|
| 370 | doorlist_y [doorlocs] = j; |
|
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| 371 | doorlocs++; |
|
|
| 372 | } |
|
|
| 373 | } |
385 | } |
| 374 | |
386 | |
| 375 | while (ndoors > 0 && doorlocs > 0) |
387 | while (ndoors && doorloc.size) |
| 376 | { |
388 | { |
| 377 | int di = rmg_rndm (doorlocs); |
389 | point p = doorloc.remove (rmg_rndm (doorloc.size)); |
| 378 | int i = doorlist_x [di]; |
390 | |
| 379 | int j = doorlist_y [di]; |
|
|
| 380 | int sindex = surround_flag (*this, i, j); |
391 | int sindex = surround_flag (*this, p.x, p.y); |
| 381 | |
392 | |
| 382 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
393 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
| 383 | { |
394 | { |
| 384 | data [i][j] = 'D'; |
395 | data [p.x][p.y] = 'D'; |
| 385 | ndoors--; |
396 | --ndoors; |
| 386 | } |
397 | } |
| 387 | |
|
|
| 388 | /* reduce the size of the list */ |
|
|
| 389 | doorlocs--; |
|
|
| 390 | doorlist_x[di] = doorlist_x [doorlocs]; |
|
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| 391 | doorlist_y[di] = doorlist_y [doorlocs]; |
|
|
| 392 | } |
398 | } |
| 393 | |
|
|
| 394 | sfree (doorlist_x, w * h); |
|
|
| 395 | sfree (doorlist_y, w * h); |
|
|
| 396 | } |
399 | } |
| 397 | |
400 | |
| 398 | /* takes a map and makes it symmetric: adjusts Xsize and |
401 | /* takes a map and makes it symmetric: adjusts Xsize and |
| 399 | * Ysize to produce a symmetric map. |
402 | * Ysize to produce a symmetric map. |
| 400 | */ |
403 | */ |
| … | |
… | |
| 458 | //-GPL |
461 | //-GPL |
| 459 | |
462 | |
| 460 | void |
463 | void |
| 461 | layout::rotate (int rotation) |
464 | layout::rotate (int rotation) |
| 462 | { |
465 | { |
|
|
466 | coroapi::cede_to_tick (); |
|
|
467 | |
| 463 | switch (rotation & 3) |
468 | switch (rotation & 3) |
| 464 | { |
469 | { |
| 465 | case 2: /* a reflection */ |
470 | case 2: /* a reflection */ |
| 466 | { |
471 | { |
| 467 | layout new_layout (w, h); |
472 | layout new_layout (w, h); |
| … | |
… | |
| 619 | { |
624 | { |
| 620 | layout new_layout (w * 2 - 1, h * 2 - 1); |
625 | layout new_layout (w * 2 - 1, h * 2 - 1); |
| 621 | |
626 | |
| 622 | new_layout.clear (); |
627 | new_layout.clear (); |
| 623 | |
628 | |
|
|
629 | coroapi::cede_to_tick (); |
|
|
630 | |
| 624 | for (int i = 0; i < w; i++) |
631 | for (int i = 0; i < w; i++) |
| 625 | for (int j = 0; j < h; j++) |
632 | for (int j = 0; j < h; j++) |
| 626 | switch (data [i][j]) |
633 | switch (data [i][j]) |
| 627 | { |
634 | { |
| 628 | case '#': expand_wall (new_layout, i, j, *this); break; |
635 | case '#': expand_wall (new_layout, i, j, *this); break; |
| … | |
… | |
| 710 | |
717 | |
| 711 | return -1; |
718 | return -1; |
| 712 | } |
719 | } |
| 713 | |
720 | |
| 714 | int |
721 | int |
| 715 | make_wall (char **maze, int x, int y, int dir) |
722 | make_wall (layout &maze, int x, int y, int dir) |
| 716 | { |
723 | { |
| 717 | maze[x][y] = 'D'; /* mark a door */ |
724 | maze[x][y] = 'D'; /* mark a door */ |
| 718 | |
725 | |
| 719 | switch (dir) |
726 | switch (dir) |
| 720 | { |
727 | { |
| … | |
… | |
| 737 | |
744 | |
| 738 | void |
745 | void |
| 739 | layout::roomify () |
746 | layout::roomify () |
| 740 | { |
747 | { |
| 741 | int tries = w * h / 30; |
748 | int tries = w * h / 30; |
|
|
749 | |
|
|
750 | coroapi::cede_to_tick (); |
| 742 | |
751 | |
| 743 | for (int ti = 0; ti < tries; ti++) |
752 | for (int ti = 0; ti < tries; ti++) |
| 744 | { |
753 | { |
| 745 | /* starting location for looking at creating a door */ |
754 | /* starting location for looking at creating a door */ |
| 746 | int dx = rmg_rndm (w); |
755 | int dx = rmg_rndm (w); |
| … | |
… | |
| 769 | else |
778 | else |
| 770 | make_wall (*this, dx, dy, 1); |
779 | make_wall (*this, dx, dy, 1); |
| 771 | } |
780 | } |
| 772 | } |
781 | } |
| 773 | |
782 | |
|
|
783 | //-GPL |
|
|
784 | |
| 774 | ///////////////////////////////////////////////////////////////////////////// |
785 | ///////////////////////////////////////////////////////////////////////////// |
|
|
786 | |
|
|
787 | // inspired mostly by http://www.jimrandomh.org/misc/caves.txt |
|
|
788 | void |
|
|
789 | layout::gen_cave (int subtype) |
|
|
790 | { |
|
|
791 | switch (subtype) |
|
|
792 | { |
|
|
793 | // a rough cave |
|
|
794 | case 0: |
|
|
795 | fill_rand (rmg_rndm (85, 97)); |
|
|
796 | break; |
|
|
797 | |
|
|
798 | // corridors |
|
|
799 | case 1: |
|
|
800 | fill_rand (rmg_rndm (5, 40)); |
|
|
801 | erode_1_2 (5, 2, 10); |
|
|
802 | erode_1_2 (5, -1, 10); |
|
|
803 | erode_1_2 (5, 2, 1); |
|
|
804 | break; |
|
|
805 | |
|
|
806 | // somewhat open, some room-like structures |
|
|
807 | case 2: |
|
|
808 | fill_rand (45); |
|
|
809 | erode_1_2 (5, 2, 4); |
|
|
810 | erode_1_2 (5, -1, 3); |
|
|
811 | break; |
|
|
812 | |
|
|
813 | // wide open, roundish |
|
|
814 | case 3: |
|
|
815 | fill_rand (45); |
|
|
816 | erode_1_2 (5, 0, 5); |
|
|
817 | erode_1_2 (5, 1, 1); |
|
|
818 | break; |
|
|
819 | } |
|
|
820 | |
|
|
821 | border (); |
|
|
822 | isolation_remover (1); |
|
|
823 | } |
|
|
824 | |
|
|
825 | void |
|
|
826 | layout::gen_castle () |
|
|
827 | { |
|
|
828 | fill ('#'); |
|
|
829 | |
|
|
830 | for (int n = w * h / 30 + 1; n--; ) |
|
|
831 | { |
|
|
832 | int rw = rmg_rndm (6, 10); |
|
|
833 | int rh = rmg_rndm (6, 10); |
|
|
834 | |
|
|
835 | if (rw > w || rh > h) |
|
|
836 | continue; |
|
|
837 | |
|
|
838 | int rx = rmg_rndm (0, w - rw); |
|
|
839 | int ry = rmg_rndm (0, h - rh); |
|
|
840 | |
|
|
841 | rect (rx, ry, rx + rw, ry + rh, '#'); |
|
|
842 | fill_rect (rx + 1, ry + 1, rx + rw - 1, ry + rh - 1, 0); |
|
|
843 | } |
|
|
844 | |
|
|
845 | border (); |
|
|
846 | isolation_remover (0); |
|
|
847 | } |
|
|
848 | |
|
|
849 | static void |
|
|
850 | gen_mixed_ (layout &maze, random_map_params *RP) |
|
|
851 | { |
|
|
852 | if (maze.w > maze.h && maze.w > 16) |
|
|
853 | { |
|
|
854 | int m = rmg_rndm (8, maze.w - 8); |
|
|
855 | |
|
|
856 | layout m1 (maze, 0, 0, m , maze.h); gen_mixed_ (m1, RP); |
|
|
857 | layout m2 (maze, m, 0, maze.w, maze.h); gen_mixed_ (m2, RP); |
|
|
858 | } |
|
|
859 | else if (maze.h > 16) |
|
|
860 | { |
|
|
861 | int m = rmg_rndm (8, maze.h - 8); |
|
|
862 | |
|
|
863 | layout m1 (maze, 0, 0, maze.w, m ); gen_mixed_ (m1, RP); |
|
|
864 | layout m2 (maze, 0, m, maze.w, maze.h); gen_mixed_ (m2, RP); |
|
|
865 | } |
|
|
866 | else |
|
|
867 | { |
|
|
868 | RP->map_layout_style = rmg_rndm (NROFLAYOUTS - 2) + 1; |
|
|
869 | |
|
|
870 | if (RP->map_layout_style == LAYOUT_MULTIPLE) |
|
|
871 | ++RP->map_layout_style; |
|
|
872 | |
|
|
873 | maze.generate (RP); |
|
|
874 | } |
|
|
875 | |
|
|
876 | coroapi::cede_to_tick (); |
|
|
877 | } |
|
|
878 | |
|
|
879 | // recursive subdivision with random sublayouts |
|
|
880 | static void |
|
|
881 | gen_mixed (layout &maze, random_map_params *RP) |
|
|
882 | { |
|
|
883 | random_map_params &rp = *new random_map_params (RP); |
|
|
884 | gen_mixed_ (maze, &rp); |
|
|
885 | delete &rp; |
|
|
886 | |
|
|
887 | maze.border (); |
|
|
888 | |
|
|
889 | // exits currently do not work so well, as they |
|
|
890 | // are currently often found together, so nuke entrances |
|
|
891 | maze.replace ('<', ' '); |
|
|
892 | |
|
|
893 | maze.isolation_remover (0); |
|
|
894 | } |
|
|
895 | |
|
|
896 | //+GPL |
| 775 | |
897 | |
| 776 | /* function selects the maze function and gives it whatever |
898 | /* function selects the maze function and gives it whatever |
| 777 | arguments it needs. */ |
899 | arguments it needs. */ |
| 778 | void |
900 | void |
| 779 | layout::generate (random_map_params *RP) |
901 | layout::generate (random_map_params *RP) |
| … | |
… | |
| 839 | if (rmg_rndm (2)) |
961 | if (rmg_rndm (2)) |
| 840 | doorify (); |
962 | doorify (); |
| 841 | |
963 | |
| 842 | break; |
964 | break; |
| 843 | |
965 | |
|
|
966 | case LAYOUT_CASTLE: |
|
|
967 | gen_castle (); |
|
|
968 | |
|
|
969 | if (rmg_rndm (2)) |
|
|
970 | doorify (); |
|
|
971 | |
|
|
972 | break; |
|
|
973 | |
|
|
974 | case LAYOUT_MULTIPLE: |
|
|
975 | gen_mixed (*this, RP); |
|
|
976 | break; |
|
|
977 | |
| 844 | default: |
978 | default: |
| 845 | abort (); |
979 | abort (); |
| 846 | } |
980 | } |
|
|
981 | } |
| 847 | |
982 | |
| 848 | /* rotate the maze randomly */ |
983 | //-GPL |
| 849 | rotate (rmg_rndm (4)); |
|
|
| 850 | |
|
|
| 851 | symmetrize (RP->symmetry_used); |
|
|
| 852 | |
984 | |
| 853 | #if 0 |
985 | #if 0 |
| 854 | print ();//D |
986 | static void |
| 855 | #endif |
987 | gen_village (layout &maze) |
|
|
988 | { |
|
|
989 | maze.clear (); |
|
|
990 | maze.border (); |
| 856 | |
991 | |
| 857 | if (RP->expand2x) |
992 | for (int n = maze.w * maze.h / 200 + 1; n--; ) |
| 858 | expand2x (); |
993 | { |
| 859 | } |
994 | int rw = rmg_rndm (6, 10); |
|
|
995 | int rh = rmg_rndm (6, 10); |
| 860 | |
996 | |
| 861 | //-GPL |
997 | int rx = rmg_rndm (2, maze.w - rw - 2); |
|
|
998 | int ry = rmg_rndm (2, maze.h - rh - 2); |
| 862 | |
999 | |
| 863 | #if 0 |
1000 | maze.rect (rx, ry, rx + rw, ry + rh, '#'); |
|
|
1001 | } |
|
|
1002 | |
|
|
1003 | maze.border (); |
|
|
1004 | maze.isolation_remover (2); |
|
|
1005 | } |
|
|
1006 | |
| 864 | static struct demo |
1007 | static struct demo |
| 865 | { |
1008 | { |
| 866 | demo () |
1009 | demo () |
| 867 | { |
1010 | { |
| 868 | rmg_rndm.seed (time (0)); |
1011 | rmg_rndm.seed (time (0)); |
| 869 | |
1012 | |
| 870 | for(int i=1;i<10;i) |
1013 | for(int i=1;i<100;i++) |
| 871 | { |
1014 | { |
| 872 | layout maze (10, 10); |
1015 | layout maze (40, 30); |
| 873 | maze.fill_rand (90); |
1016 | gen_village (maze); |
| 874 | maze.border (); |
|
|
| 875 | maze.isolation_remover (); |
|
|
| 876 | maze.doorify (); |
1017 | maze.doorify (); |
| 877 | maze.symmetrize (rmg_rndm (2, 4)); |
|
|
| 878 | maze.rotate (rmg_rndm (4)); |
|
|
| 879 | maze.expand2x (); |
|
|
| 880 | maze.print (); |
1018 | maze.print (); |
|
|
1019 | exit(0); |
| 881 | } |
1020 | } |
| 882 | |
1021 | |
| 883 | exit (1); |
1022 | exit (1); |
| 884 | } |
1023 | } |
| 885 | } demo; |
1024 | } demo; |
