| … | |
… | |
| 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 | |
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28 | void |
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29 | layout::alloc (int w, int h) |
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30 | { |
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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; |
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35 | |
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36 | // we store the layout in a single contiguous memory layout |
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37 | // first part consists of pointers to each column, followed |
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38 | // by the actual columns (not rows!) |
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39 | size = (sizeof (cell *) + sizeof (cell) * h) * w; |
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40 | data = (cell **)salloc<char> (size); |
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41 | |
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42 | cell *p = (cell *)(data + w); |
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43 | |
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44 | for (int x = 0; x < w; ++x) |
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45 | data [x] = p + x * h; |
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46 | } |
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47 | |
| 28 | layout::layout (int w, int h) |
48 | layout::layout (int w, int h) |
| 29 | : w(w), h(h) |
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| 30 | { |
49 | { |
| 31 | int size = (sizeof (char *) + sizeof (char) * h) * w; |
50 | alloc (w, h); |
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51 | } |
| 32 | |
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; |
| 33 | col = (char **)salloc<char> (size); |
67 | data = (cell **)salloc<char> (size); |
| 34 | |
68 | |
| 35 | char *data = (char *)(col + w); |
69 | // and now we point back into the original layout |
| 36 | |
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|
| 37 | for (int x = w; x--; ) |
70 | for (int x = 0; x < w; ++x) |
| 38 | col [x] = data + x * h; |
71 | data [x] = orig.data [x + x1] + y1; |
| 39 | } |
72 | } |
| 40 | |
73 | |
| 41 | layout::~layout () |
74 | layout::~layout () |
| 42 | { |
75 | { |
| 43 | int size = (sizeof (char *) + sizeof (char) * h) * w; |
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| 44 | |
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| 45 | sfree ((char *)col, size); |
76 | sfree ((char *)data, size); |
| 46 | } |
77 | } |
| 47 | |
78 | |
| 48 | void |
79 | void |
| 49 | layout::fill (char fill) |
80 | layout::fill (char fill) |
| 50 | { |
81 | { |
| 51 | memset (col [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); |
| 52 | } |
84 | } |
| 53 | |
85 | |
| 54 | void |
86 | void |
| 55 | layout::rect (int x1, int y1, int x2, int y2, char fill) |
87 | layout::rect (int x1, int y1, int x2, int y2, char fill) |
| 56 | { |
88 | { |
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89 | --x2; |
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90 | |
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91 | memset (data [x1] + y1, fill, y2 - y1); |
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92 | memset (data [x2] + y1, fill, y2 - y1); |
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93 | |
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94 | while (++x1 < x2) |
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95 | data [x1][y1] = data [x1][y2 - 1] = fill; |
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96 | } |
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97 | |
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98 | void |
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99 | layout::fill_rect (int x1, int y1, int x2, int y2, char fill) |
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100 | { |
| 57 | for (; x1 < x2; ++x1) |
101 | for (; x1 < x2; ++x1) |
| 58 | memset (col [x1] + y1, fill, y2 - y1); |
102 | memset (data [x1] + y1, fill, y2 - y1); |
| 59 | } |
103 | } |
| 60 | |
104 | |
| 61 | void layout::border (char fill) |
105 | void layout::border (char fill) |
| 62 | { |
106 | { |
| 63 | for (int i = 0; i < w; i++) col [i][0] = col [i][h - 1] = fill; |
107 | rect (0, 0, w, h, fill); |
| 64 | for (int j = 0; j < h; j++) col [0][j] = col [w - 1][j] = fill; |
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| 65 | } |
108 | } |
| 66 | |
109 | |
| 67 | void |
110 | void |
| 68 | layout::fill_rand (int percent) |
111 | layout::fill_rand (int percent) |
| 69 | { |
112 | { |
| 70 | percent = lerp (percent, 0, 100, 0, 256); |
113 | percent = lerp (percent, 0, 100, 0, 256); |
| 71 | |
114 | |
| 72 | for (int x = w - 1; --x > 0; ) |
115 | for (int x = 0; x < w; ++x) |
| 73 | for (int y = h - 1; --y > 0; ) |
116 | for (int y = 0; y < h; ++y) |
| 74 | col [x][y] = rmg_rndm (256) > percent ? 0 : '#'; |
117 | data [x][y] = rmg_rndm (256) > percent ? 0 : '#'; |
| 75 | } |
118 | } |
| 76 | |
119 | |
| 77 | ///////////////////////////////////////////////////////////////////////////// |
120 | ///////////////////////////////////////////////////////////////////////////// |
| 78 | |
121 | |
| 79 | // erode by cellular automata |
122 | // erode by cellular automata |
| … | |
… | |
| 104 | for (int i = array_length (dds); i--; ) |
147 | for (int i = array_length (dds); i--; ) |
| 105 | { |
148 | { |
| 106 | int nx = x + dds [i][0]; |
149 | int nx = x + dds [i][0]; |
| 107 | int ny = y + dds [i][1]; |
150 | int ny = y + dds [i][1]; |
| 108 | |
151 | |
| 109 | if (!IN_RANGE_EXC (nx, 0, w) || !IN_RANGE_EXC (ny, 0, h) || !col [nx][ny]) |
152 | if (!IN_RANGE_EXC (nx, 0, w) || !IN_RANGE_EXC (ny, 0, h) || !data [nx][ny]) |
| 110 | { |
153 | { |
| 111 | n1 += dds [i][2]; |
154 | n1 += dds [i][2]; |
| 112 | n2++; |
155 | n2++; |
| 113 | } |
156 | } |
| 114 | } |
157 | } |
| … | |
… | |
| 128 | { |
171 | { |
| 129 | for (int y = 0; y < h; y++) |
172 | for (int y = 0; y < h; y++) |
| 130 | { |
173 | { |
| 131 | for (int x = 0; x < w; x++) |
174 | for (int x = 0; x < w; x++) |
| 132 | { |
175 | { |
| 133 | U8 c = (U8)col [x][y]; |
176 | U8 c = (U8)data [x][y]; |
| 134 | |
177 | |
| 135 | if (!c) |
178 | if (!c) |
| 136 | c = ' '; |
179 | c = ' '; |
| 137 | else if (c < 10) |
180 | else if (c < 10) |
| 138 | c += '0'; |
181 | c += '0'; |
| … | |
… | |
| 151 | ///////////////////////////////////////////////////////////////////////////// |
194 | ///////////////////////////////////////////////////////////////////////////// |
| 152 | // isolation remover - ensures single connected area |
195 | // isolation remover - ensures single connected area |
| 153 | |
196 | |
| 154 | typedef fixed_stack<point> pointlist; |
197 | typedef fixed_stack<point> pointlist; |
| 155 | |
198 | |
| 156 | static noinline void |
199 | static void noinline |
| 157 | push_flood_fill (layout &dist, pointlist &seeds, int x, int y) |
200 | push_flood_fill (layout &dist, pointlist &seeds, int x, int y) |
| 158 | { |
201 | { |
| 159 | if (dist [x][y]) |
202 | if (dist [x][y]) |
| 160 | return; |
203 | return; |
| 161 | |
204 | |
| … | |
… | |
| 172 | ++y; |
215 | ++y; |
| 173 | } |
216 | } |
| 174 | |
217 | |
| 175 | while (--y >= y0) |
218 | while (--y >= y0) |
| 176 | { |
219 | { |
| 177 | if (x > 0) push_flood_fill (dist, seeds, x - 1, y); |
220 | if (x > 0 && !dist [x - 1][y]) push_flood_fill (dist, seeds, x - 1, y); |
| 178 | if (x < dist.w - 1) 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); |
| 179 | } |
222 | } |
| 180 | } |
223 | } |
| 181 | |
224 | |
| 182 | static inline void |
225 | static inline void |
| 183 | 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) |
| 184 | { |
227 | { |
| 185 | for (;;) |
228 | for (;;) |
| 186 | { |
229 | { |
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230 | point neigh[4]; |
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231 | int ncnt = 0; |
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232 | |
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233 | d += perturb > 1; |
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234 | |
| 187 | if (x > 1 && U8 (dist [x - 1][y]) < d && dist [x - 1][y] > 1) |
235 | if (x > 0 && U8 (dist [x - 1][y]) < d && dist [x - 1][y] > 1) neigh [ncnt++] = point (x - 1, y); |
| 188 | --x; |
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|
| 189 | else if (x < dist.w - 2 && U8 (dist [x + 1][y]) < d && dist [x + 1][y] > 1) |
236 | if (x < dist.w - 1 && U8 (dist [x + 1][y]) < d && dist [x + 1][y] > 1) neigh [ncnt++] = point (x + 1, y); |
| 190 | ++x; |
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| 191 | else if (y > 1 && U8 (dist [x][y - 1]) < d && dist [x][y - 1] > 1) |
237 | if (y > 0 && U8 (dist [x][y - 1]) < d && dist [x][y - 1] > 1) neigh [ncnt++] = point (x, y - 1); |
| 192 | --y; |
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| 193 | else if (y < dist.h - 2 && U8 (dist [x][y + 1]) < d && dist [x][y + 1] > 1) |
238 | if (y < dist.h - 1 && U8 (dist [x][y + 1]) < d && dist [x][y + 1] > 1) neigh [ncnt++] = point (x, y + 1); |
| 194 | ++y; |
239 | |
| 195 | else |
240 | if (!ncnt) |
| 196 | break; |
241 | return; |
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242 | |
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243 | point p = neigh [perturb ? rmg_rndm (ncnt) : 0]; |
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244 | |
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245 | seeds.push (p); |
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246 | |
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247 | x = p.x; |
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248 | y = p.y; |
| 197 | |
249 | |
| 198 | d = dist [x][y]; |
250 | d = dist [x][y]; |
| 199 | dist [x][y] = 1; |
251 | dist [x][y] = 1; |
| 200 | seeds.push (point (x, y)); |
|
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| 201 | } |
252 | } |
| 202 | } |
253 | } |
| 203 | |
254 | |
| 204 | static void inline |
255 | static void inline |
| 205 | maybe_push (layout &dist, pointlist &seeds, int x, int y, U8 d) |
256 | maybe_push (layout &dist, pointlist &seeds, int x, int y, U8 d) |
| … | |
… | |
| 212 | return; |
263 | return; |
| 213 | |
264 | |
| 214 | seeds.push (point (x, y)); |
265 | seeds.push (point (x, y)); |
| 215 | } |
266 | } |
| 216 | |
267 | |
| 217 | void |
268 | // isolation remover, works on a "distance" map |
| 218 | layout::isolation_remover (bool dirty) |
269 | // the map must be initialised with 0 == rooms, 255 = walls |
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270 | static void noinline |
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271 | isolation_remover (layout &dist, unsigned int perturb = 2) |
| 219 | { |
272 | { |
| 220 | layout dist (w, h); |
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| 221 | |
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| 222 | // dist contains |
273 | // dist contains |
| 223 | // 0 == invisited rooms |
274 | // 0 == invisited rooms |
| 224 | // 1 == visited rooms |
275 | // 1 == visited rooms |
| 225 | // 2+ shortest distance to random near room |
276 | // 2+ shortest distance to random near room |
| 226 | |
277 | |
| 227 | // phase 1, initialise dist array, find seed |
278 | clamp_it (perturb, 0, 2); |
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279 | |
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280 | // phase 1, find seed |
| 228 | int cnt = 0; |
281 | int cnt = 0; |
| 229 | int x, y; |
282 | int x, y; |
| 230 | |
283 | |
| 231 | for (int i = 0; i < w; ++i) |
284 | for (int i = 0; i < dist.w; ++i) |
| 232 | for (int j = 0; j < h; ++j) |
285 | for (int j = 0; j < dist.h; ++j) |
| 233 | { |
286 | if (!dist [i][j] && !rmg_rndm (++cnt)) |
| 234 | if (col [i][j] == '#') |
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| 235 | dist [i][j] = U8 (255); |
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| 236 | else |
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| 237 | { |
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| 238 | dist [i][j] = 0; |
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| 239 | if (!rmg_rndm (++cnt)) |
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| 240 | x = i, y = j; |
287 | x = i, y = j; |
| 241 | } |
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| 242 | } |
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| 243 | |
288 | |
| 244 | if (!cnt) |
289 | if (!cnt) |
| 245 | { |
290 | { |
| 246 | // map is completely massive, this is not good, |
291 | // map is completely massive, this is not good, |
| 247 | // so make it empty instead. |
292 | // so make it empty instead. |
| 248 | clear (); |
293 | dist.fill (1); |
| 249 | border (); |
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|
| 250 | return; |
294 | return; |
| 251 | } |
295 | } |
| 252 | |
296 | |
| 253 | fixed_stack<point> seeds (w * h * 5); |
297 | fixed_stack<point> seeds (dist.w * dist.h * 5); |
| 254 | |
298 | |
| 255 | // found first free space - picking the first one gives |
299 | // found first free space - picking the first one gives |
| 256 | // us a slight bias for tunnels, but usually you won't |
300 | // us a slight bias for tunnels, but usually you won't |
| 257 | // notice that in-game |
301 | // notice that in-game |
| 258 | seeds.push (point (x, y)); |
302 | seeds.push (point (x, y)); |
| … | |
… | |
| 270 | y = p.y; |
314 | y = p.y; |
| 271 | |
315 | |
| 272 | if (!dist [x][y]) |
316 | if (!dist [x][y]) |
| 273 | { |
317 | { |
| 274 | // found new isolated area, make tunnel |
318 | // found new isolated area, make tunnel |
| 275 | if (!dirty) |
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| 276 | push_flood_fill (dist, seeds, x, y); |
319 | push_flood_fill (dist, seeds, x, y); |
| 277 | |
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| 278 | make_tunnel (dist, seeds, x, y, 255); |
320 | make_tunnel (dist, seeds, x, y, 254, perturb); |
| 279 | |
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| 280 | if (dirty) |
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| 281 | push_flood_fill (dist, seeds, x, y); |
|
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| 282 | } |
321 | } |
| 283 | else |
322 | else |
| 284 | { |
323 | { |
| 285 | // nothing here, continue to expand |
324 | // nothing here, continue to expand |
| 286 | U8 d = U8 (dist [x][y]) + 1; |
325 | U8 d = U8 (dist [x][y]) + 1; |
| … | |
… | |
| 289 | if (x > 0) maybe_push (dist, seeds, x - 1, y, d); |
328 | if (x > 0) maybe_push (dist, seeds, x - 1, y, d); |
| 290 | if (y < dist.h - 1) maybe_push (dist, seeds, x, y + 1, d); |
329 | if (y < dist.h - 1) maybe_push (dist, seeds, x, y + 1, d); |
| 291 | if (y > 0) maybe_push (dist, seeds, x, y - 1, d); |
330 | if (y > 0) maybe_push (dist, seeds, x, y - 1, d); |
| 292 | } |
331 | } |
| 293 | } |
332 | } |
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333 | } |
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334 | |
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335 | void |
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336 | layout::isolation_remover (int perturb) |
|
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337 | { |
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338 | layout dist (w - 2, h - 2); // map without border |
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339 | |
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340 | for (int x = 1; x < w - 1; ++x) |
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341 | for (int y = 1; y < h - 1; ++y) |
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342 | dist [x - 1][y - 1] = data [x][y] == '#' ? U8 (255) : 0; |
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343 | |
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344 | ::isolation_remover (dist, perturb); |
| 294 | |
345 | |
| 295 | // now copy the tunnels over |
346 | // now copy the tunnels over |
| 296 | for (int x = 0; x < w; ++x) |
347 | for (int x = 1; x < w - 1; ++x) |
| 297 | for (int y = 0; y < h; ++y) |
348 | for (int y = 1; y < h - 1; ++y) |
| 298 | if (col [x][y] == '#' && dist [x][y] == 1) |
349 | if (data [x][y] == '#' && dist [x - 1][y - 1] == 1) |
| 299 | col [x][y] = 0; |
350 | data [x][y] = 0; |
| 300 | } |
351 | } |
| 301 | |
352 | |
| 302 | ///////////////////////////////////////////////////////////////////////////// |
353 | ///////////////////////////////////////////////////////////////////////////// |
| 303 | |
354 | |
| 304 | // inspired mostly by http://www.jimrandomh.org/misc/caves.txt |
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| 305 | void |
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| 306 | layout::gen_cave (int subtype) |
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| 307 | { |
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| 308 | switch (subtype) |
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| 309 | { |
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| 310 | // a rough cave |
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| 311 | case 0: |
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| 312 | fill_rand (rmg_rndm (80, 95)); |
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| 313 | break; |
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| 314 | |
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| 315 | // corridors |
|
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| 316 | case 1: |
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| 317 | fill_rand (rmg_rndm (5, 40)); |
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| 318 | erode_1_2 (5, 2, 10); |
|
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| 319 | erode_1_2 (5, -1, 10); |
|
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| 320 | erode_1_2 (5, 2, 1); |
|
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| 321 | break; |
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| 322 | |
|
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| 323 | // somewhat open, roundish |
|
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| 324 | case 2: |
|
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| 325 | fill_rand (45); |
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| 326 | erode_1_2 (5, 0, 5); |
|
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| 327 | erode_1_2 (5, 1, 1); |
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| 328 | break; |
|
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| 329 | |
|
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| 330 | // wide open, some room-like structures |
|
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| 331 | case 3: |
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| 332 | fill_rand (45); |
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| 333 | erode_1_2 (5, 2, 4); |
|
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| 334 | erode_1_2 (5, -1, 3); |
|
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| 335 | break; |
|
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| 336 | } |
|
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| 337 | |
|
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| 338 | border (); |
|
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| 339 | isolation_remover (); |
|
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| 340 | } |
|
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| 341 | |
|
|
| 342 | ///////////////////////////////////////////////////////////////////////////// |
|
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| 343 | |
|
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| 344 | //+GPL |
355 | //+GPL |
| 345 | |
356 | |
| 346 | /* puts doors at appropriate locations in a maze. */ |
357 | /* puts doors at appropriate locations in a maze. */ |
| 347 | void |
358 | void |
| 348 | layout::doorify () |
359 | layout::doorify () |
| 349 | { |
360 | { |
| 350 | int ndoors = w * h / 60; /* reasonable number of doors. */ |
361 | int ndoors = w * h / 60; /* reasonable number of doors. */ |
| 351 | int doorlocs = 0; /* # of available doorlocations */ |
|
|
| 352 | |
362 | |
| 353 | uint16 *doorlist_x = salloc<uint16> (w * h); |
363 | fixed_stack<point> doorloc (w * h); |
| 354 | uint16 *doorlist_y = salloc<uint16> (w * h); |
|
|
| 355 | |
364 | |
| 356 | /* make a list of possible door locations */ |
365 | /* make a list of possible door locations */ |
| 357 | for (int i = 1; i < w - 1; i++) |
366 | for (int i = 1; i < w - 1; i++) |
| 358 | for (int j = 1; j < h - 1; j++) |
367 | for (int j = 1; j < h - 1; j++) |
| 359 | { |
368 | { |
| 360 | int sindex = surround_flag (*this, i, j); |
369 | int sindex = surround_flag (*this, i, j); |
| 361 | |
370 | |
| 362 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
371 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
| 363 | { |
372 | doorloc.push (point (i, j)); |
| 364 | doorlist_x [doorlocs] = i; |
|
|
| 365 | doorlist_y [doorlocs] = j; |
|
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| 366 | doorlocs++; |
|
|
| 367 | } |
|
|
| 368 | } |
373 | } |
| 369 | |
374 | |
| 370 | while (ndoors > 0 && doorlocs > 0) |
375 | while (ndoors && doorloc.size) |
| 371 | { |
376 | { |
| 372 | int di = rmg_rndm (doorlocs); |
377 | point p = doorloc.remove (rmg_rndm (doorloc.size)); |
| 373 | int i = doorlist_x [di]; |
378 | |
| 374 | int j = doorlist_y [di]; |
|
|
| 375 | int sindex = surround_flag (*this, i, j); |
379 | int sindex = surround_flag (*this, p.x, p.y); |
| 376 | |
380 | |
| 377 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
381 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
| 378 | { |
382 | { |
| 379 | col [i][j] = 'D'; |
383 | data [p.x][p.y] = 'D'; |
| 380 | ndoors--; |
384 | --ndoors; |
| 381 | } |
385 | } |
| 382 | |
|
|
| 383 | /* reduce the size of the list */ |
|
|
| 384 | doorlocs--; |
|
|
| 385 | doorlist_x[di] = doorlist_x [doorlocs]; |
|
|
| 386 | doorlist_y[di] = doorlist_y [doorlocs]; |
|
|
| 387 | } |
386 | } |
| 388 | |
|
|
| 389 | sfree (doorlist_x, w * h); |
|
|
| 390 | sfree (doorlist_y, w * h); |
|
|
| 391 | } |
387 | } |
| 392 | |
388 | |
| 393 | /* takes a map and makes it symmetric: adjusts Xsize and |
389 | /* takes a map and makes it symmetric: adjusts Xsize and |
| 394 | * Ysize to produce a symmetric map. |
390 | * Ysize to produce a symmetric map. |
| 395 | */ |
391 | */ |
| … | |
… | |
| 407 | if (symmetry == SYMMETRY_X) |
403 | if (symmetry == SYMMETRY_X) |
| 408 | for (int i = 0; i < sym_layout.w / 2 + 1; i++) |
404 | for (int i = 0; i < sym_layout.w / 2 + 1; i++) |
| 409 | for (int j = 0; j < sym_layout.h; j++) |
405 | for (int j = 0; j < sym_layout.h; j++) |
| 410 | { |
406 | { |
| 411 | sym_layout[i ][j] = |
407 | sym_layout[i ][j] = |
| 412 | sym_layout[sym_layout.w - i - 1][j] = col[i][j]; |
408 | sym_layout[sym_layout.w - i - 1][j] = data [i][j]; |
| 413 | } |
409 | } |
| 414 | |
410 | |
| 415 | if (symmetry == SYMMETRY_Y) |
411 | if (symmetry == SYMMETRY_Y) |
| 416 | for (int i = 0; i < sym_layout.w; i++) |
412 | for (int i = 0; i < sym_layout.w; i++) |
| 417 | for (int j = 0; j < sym_layout.h / 2 + 1; j++) |
413 | for (int j = 0; j < sym_layout.h / 2 + 1; j++) |
| 418 | { |
414 | { |
| 419 | sym_layout[i][j ] = |
415 | sym_layout[i][j ] = |
| 420 | sym_layout[i][sym_layout.h - j - 1] = col[i][j]; |
416 | sym_layout[i][sym_layout.h - j - 1] = data [i][j]; |
| 421 | } |
417 | } |
| 422 | |
418 | |
| 423 | if (symmetry == SYMMETRY_XY) |
419 | if (symmetry == SYMMETRY_XY) |
| 424 | for (int i = 0; i < sym_layout.w / 2 + 1; i++) |
420 | for (int i = 0; i < sym_layout.w / 2 + 1; i++) |
| 425 | for (int j = 0; j < sym_layout.h / 2 + 1; j++) |
421 | for (int j = 0; j < sym_layout.h / 2 + 1; j++) |
| 426 | { |
422 | { |
| 427 | sym_layout[i ][j ] = |
423 | sym_layout[i ][j ] = |
| 428 | sym_layout[i ][sym_layout.h - j - 1] = |
424 | sym_layout[i ][sym_layout.h - j - 1] = |
| 429 | sym_layout[sym_layout.w - i - 1][j ] = |
425 | sym_layout[sym_layout.w - i - 1][j ] = |
| 430 | sym_layout[sym_layout.w - i - 1][sym_layout.h - j - 1] = col[i][j]; |
426 | sym_layout[sym_layout.w - i - 1][sym_layout.h - j - 1] = data [i][j]; |
| 431 | } |
427 | } |
| 432 | |
428 | |
| 433 | /* need to run the isolation remover for some layouts */ |
429 | /* need to run the isolation remover for some layouts */ |
| 434 | #if 0 |
430 | #if 0 |
| 435 | switch (RP->map_layout_style) |
431 | switch (RP->map_layout_style) |
| … | |
… | |
| 461 | { |
457 | { |
| 462 | layout new_layout (w, h); |
458 | layout new_layout (w, h); |
| 463 | |
459 | |
| 464 | for (int i = 0; i < w; i++) /* copy a reflection back */ |
460 | for (int i = 0; i < w; i++) /* copy a reflection back */ |
| 465 | for (int j = 0; j < h; j++) |
461 | for (int j = 0; j < h; j++) |
| 466 | new_layout [i][j] = col [w - i - 1][h - j - 1]; |
462 | new_layout [i][j] = data [w - i - 1][h - j - 1]; |
| 467 | |
463 | |
| 468 | swap (new_layout); |
464 | swap (new_layout); |
| 469 | } |
465 | } |
| 470 | break; |
466 | break; |
| 471 | |
467 | |
| … | |
… | |
| 475 | layout new_layout (h, w); |
471 | layout new_layout (h, w); |
| 476 | |
472 | |
| 477 | if (rotation == 1) /* swap x and y */ |
473 | if (rotation == 1) /* swap x and y */ |
| 478 | for (int i = 0; i < w; i++) |
474 | for (int i = 0; i < w; i++) |
| 479 | for (int j = 0; j < h; j++) |
475 | for (int j = 0; j < h; j++) |
| 480 | new_layout [j][i] = col [i][j]; |
476 | new_layout [j][i] = data [i][j]; |
| 481 | |
477 | |
| 482 | if (rotation == 3) /* swap x and y */ |
478 | if (rotation == 3) /* swap x and y */ |
| 483 | for (int i = 0; i < w; i++) |
479 | for (int i = 0; i < w; i++) |
| 484 | for (int j = 0; j < h; j++) |
480 | for (int j = 0; j < h; j++) |
| 485 | new_layout [j][i] = col [w - i - 1][h - j - 1]; |
481 | new_layout [j][i] = data [w - i - 1][h - j - 1]; |
| 486 | |
482 | |
| 487 | swap (new_layout); |
483 | swap (new_layout); |
| 488 | } |
484 | } |
| 489 | break; |
485 | break; |
| 490 | } |
486 | } |
| … | |
… | |
| 616 | |
612 | |
| 617 | new_layout.clear (); |
613 | new_layout.clear (); |
| 618 | |
614 | |
| 619 | for (int i = 0; i < w; i++) |
615 | for (int i = 0; i < w; i++) |
| 620 | for (int j = 0; j < h; j++) |
616 | for (int j = 0; j < h; j++) |
| 621 | switch (col [i][j]) |
617 | switch (data [i][j]) |
| 622 | { |
618 | { |
| 623 | case '#': expand_wall (new_layout, i, j, *this); break; |
619 | case '#': expand_wall (new_layout, i, j, *this); break; |
| 624 | case 'D': expand_door (new_layout, i, j, *this); break; |
620 | case 'D': expand_door (new_layout, i, j, *this); break; |
| 625 | default: expand_misc (new_layout, i, j, *this); break; |
621 | default: expand_misc (new_layout, i, j, *this); break; |
| 626 | } |
622 | } |
| … | |
… | |
| 705 | |
701 | |
| 706 | return -1; |
702 | return -1; |
| 707 | } |
703 | } |
| 708 | |
704 | |
| 709 | int |
705 | int |
| 710 | make_wall (char **maze, int x, int y, int dir) |
706 | make_wall (layout &maze, int x, int y, int dir) |
| 711 | { |
707 | { |
| 712 | maze[x][y] = 'D'; /* mark a door */ |
708 | maze[x][y] = 'D'; /* mark a door */ |
| 713 | |
709 | |
| 714 | switch (dir) |
710 | switch (dir) |
| 715 | { |
711 | { |
| … | |
… | |
| 764 | else |
760 | else |
| 765 | make_wall (*this, dx, dy, 1); |
761 | make_wall (*this, dx, dy, 1); |
| 766 | } |
762 | } |
| 767 | } |
763 | } |
| 768 | |
764 | |
|
|
765 | //-GPL |
|
|
766 | |
| 769 | ///////////////////////////////////////////////////////////////////////////// |
767 | ///////////////////////////////////////////////////////////////////////////// |
|
|
768 | |
|
|
769 | // inspired mostly by http://www.jimrandomh.org/misc/caves.txt |
|
|
770 | void |
|
|
771 | layout::gen_cave (int subtype) |
|
|
772 | { |
|
|
773 | switch (subtype) |
|
|
774 | { |
|
|
775 | // a rough cave |
|
|
776 | case 0: |
|
|
777 | fill_rand (rmg_rndm (85, 97)); |
|
|
778 | break; |
|
|
779 | |
|
|
780 | // corridors |
|
|
781 | case 1: |
|
|
782 | fill_rand (rmg_rndm (5, 40)); |
|
|
783 | erode_1_2 (5, 2, 10); |
|
|
784 | erode_1_2 (5, -1, 10); |
|
|
785 | erode_1_2 (5, 2, 1); |
|
|
786 | break; |
|
|
787 | |
|
|
788 | // somewhat open, some room-like structures |
|
|
789 | case 2: |
|
|
790 | fill_rand (45); |
|
|
791 | erode_1_2 (5, 2, 4); |
|
|
792 | erode_1_2 (5, -1, 3); |
|
|
793 | break; |
|
|
794 | |
|
|
795 | // wide open, roundish |
|
|
796 | case 3: |
|
|
797 | fill_rand (45); |
|
|
798 | erode_1_2 (5, 0, 5); |
|
|
799 | erode_1_2 (5, 1, 1); |
|
|
800 | break; |
|
|
801 | } |
|
|
802 | |
|
|
803 | border (); |
|
|
804 | isolation_remover (1); |
|
|
805 | } |
|
|
806 | |
|
|
807 | void |
|
|
808 | layout::gen_castle () |
|
|
809 | { |
|
|
810 | fill ('#'); |
|
|
811 | |
|
|
812 | for (int n = w * h / 30 + 1; n--; ) |
|
|
813 | { |
|
|
814 | int rw = rmg_rndm (6, 10); |
|
|
815 | int rh = rmg_rndm (6, 10); |
|
|
816 | |
|
|
817 | if (rw > w || rh > h) |
|
|
818 | continue; |
|
|
819 | |
|
|
820 | int rx = rmg_rndm (0, w - rw); |
|
|
821 | int ry = rmg_rndm (0, h - rh); |
|
|
822 | |
|
|
823 | rect (rx, ry, rx + rw, ry + rh, '#'); |
|
|
824 | fill_rect (rx + 1, ry + 1, rx + rw - 1, ry + rh - 1, 0); |
|
|
825 | } |
|
|
826 | |
|
|
827 | border (); |
|
|
828 | isolation_remover (0); |
|
|
829 | } |
|
|
830 | |
|
|
831 | static void |
|
|
832 | gen_mixed_ (layout &maze, random_map_params *RP) |
|
|
833 | { |
|
|
834 | if (maze.w > maze.h && maze.w > 16) |
|
|
835 | { |
|
|
836 | int m = rmg_rndm (8, maze.w - 8); |
|
|
837 | |
|
|
838 | layout m1 (maze, 0, 0, m , maze.h); gen_mixed_ (m1, RP); |
|
|
839 | layout m2 (maze, m, 0, maze.w, maze.h); gen_mixed_ (m2, RP); |
|
|
840 | } |
|
|
841 | else if (maze.h > 16) |
|
|
842 | { |
|
|
843 | int m = rmg_rndm (8, maze.h - 8); |
|
|
844 | |
|
|
845 | layout m1 (maze, 0, 0, maze.w, m ); gen_mixed_ (m1, RP); |
|
|
846 | layout m2 (maze, 0, m, maze.w, maze.h); gen_mixed_ (m2, RP); |
|
|
847 | } |
|
|
848 | else |
|
|
849 | { |
|
|
850 | RP->map_layout_style = rmg_rndm (NROFLAYOUTS - 2) + 1; |
|
|
851 | |
|
|
852 | if (RP->map_layout_style == LAYOUT_MULTIPLE) |
|
|
853 | ++RP->map_layout_style; |
|
|
854 | |
|
|
855 | maze.generate (RP); |
|
|
856 | } |
|
|
857 | } |
|
|
858 | |
|
|
859 | // recursive subdivision with random sublayouts |
|
|
860 | static void |
|
|
861 | gen_mixed (layout &maze, random_map_params *RP) |
|
|
862 | { |
|
|
863 | random_map_params &rp = *new random_map_params (RP); |
|
|
864 | gen_mixed_ (maze, &rp); |
|
|
865 | delete &rp; |
|
|
866 | |
|
|
867 | maze.border (); |
|
|
868 | maze.isolation_remover (0); |
|
|
869 | } |
|
|
870 | |
|
|
871 | //+GPL |
| 770 | |
872 | |
| 771 | /* function selects the maze function and gives it whatever |
873 | /* function selects the maze function and gives it whatever |
| 772 | arguments it needs. */ |
874 | arguments it needs. */ |
| 773 | void |
875 | void |
| 774 | layout::generate (random_map_params *RP) |
876 | layout::generate (random_map_params *RP) |
| … | |
… | |
| 834 | if (rmg_rndm (2)) |
936 | if (rmg_rndm (2)) |
| 835 | doorify (); |
937 | doorify (); |
| 836 | |
938 | |
| 837 | break; |
939 | break; |
| 838 | |
940 | |
|
|
941 | case LAYOUT_CASTLE: |
|
|
942 | gen_castle (); |
|
|
943 | |
|
|
944 | if (rmg_rndm (2)) |
|
|
945 | doorify (); |
|
|
946 | |
|
|
947 | break; |
|
|
948 | |
|
|
949 | case LAYOUT_MULTIPLE: |
|
|
950 | gen_mixed (*this, RP); |
|
|
951 | break; |
|
|
952 | |
| 839 | default: |
953 | default: |
| 840 | abort (); |
954 | abort (); |
| 841 | } |
955 | } |
|
|
956 | } |
| 842 | |
957 | |
| 843 | /* rotate the maze randomly */ |
958 | //-GPL |
| 844 | rotate (rmg_rndm (4)); |
|
|
| 845 | |
|
|
| 846 | symmetrize (RP->symmetry_used); |
|
|
| 847 | |
959 | |
| 848 | #if 0 |
960 | #if 0 |
| 849 | print ();//D |
961 | static void |
| 850 | #endif |
962 | gen_village (layout &maze) |
|
|
963 | { |
|
|
964 | maze.clear (); |
|
|
965 | maze.border (); |
| 851 | |
966 | |
| 852 | if (RP->expand2x) |
967 | for (int n = maze.w * maze.h / 200 + 1; n--; ) |
| 853 | expand2x (); |
968 | { |
| 854 | } |
969 | int rw = rmg_rndm (6, 10); |
|
|
970 | int rh = rmg_rndm (6, 10); |
| 855 | |
971 | |
| 856 | //-GPL |
972 | int rx = rmg_rndm (2, maze.w - rw - 2); |
|
|
973 | int ry = rmg_rndm (2, maze.h - rh - 2); |
| 857 | |
974 | |
| 858 | #if 0 |
975 | maze.rect (rx, ry, rx + rw, ry + rh, '#'); |
|
|
976 | } |
|
|
977 | |
|
|
978 | maze.border (); |
|
|
979 | maze.isolation_remover (2); |
|
|
980 | } |
|
|
981 | |
| 859 | static struct demo |
982 | static struct demo |
| 860 | { |
983 | { |
| 861 | demo () |
984 | demo () |
| 862 | { |
985 | { |
| 863 | rmg_rndm.seed (time (0)); |
986 | rmg_rndm.seed (time (0)); |
| 864 | |
987 | |
| 865 | for(int i=1;i<10;i) |
988 | for(int i=1;i<100;i++) |
| 866 | { |
989 | { |
| 867 | layout maze (10, 10); |
990 | layout maze (40, 30); |
| 868 | maze.fill_rand (90); |
991 | gen_village (maze); |
| 869 | maze.border (); |
|
|
| 870 | maze.isolation_remover (); |
|
|
| 871 | maze.doorify (); |
992 | maze.doorify (); |
| 872 | maze.symmetrize (rmg_rndm (2, 4)); |
|
|
| 873 | maze.rotate (rmg_rndm (4)); |
|
|
| 874 | maze.expand2x (); |
|
|
| 875 | maze.print (); |
993 | maze.print (); |
|
|
994 | exit(0); |
| 876 | } |
995 | } |
| 877 | |
996 | |
| 878 | exit (1); |
997 | exit (1); |
| 879 | } |
998 | } |
| 880 | } demo; |
999 | } demo; |
