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Revision: 1.31
Committed: Wed Jun 30 23:15:56 2010 UTC (13 years, 10 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.30: +4 -1 lines
Log Message:
temp check-in

File Contents

# Content
1 /*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992 Frank Tore Johansen
7 *
8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * the terms of the Affero GNU General Public License as published by the
10 * Free Software Foundation, either version 3 of the License, or (at your
11 * 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 Affero GNU General Public License
19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
21 *
22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */
24
25 #ifndef RANDOM_MAP_H
26 #define RANDOM_MAP_H
27
28 #include "util.h"
29
30 struct random_map_params : zero_initialised
31 {
32 char wall_name[512];
33 char monsterstyle[512];
34 char layoutstyle[512];
35 char doorstyle[512];
36 shstr origin_map;
37 shstr final_map;
38 shstr this_map;
39 char exit_on_final_map[512];
40
41 int xsize, ysize;
42 int expand2x;
43 int layoutoptions1;
44 int layoutoptions2;
45 int layoutoptions3;
46 int symmetry;
47 int difficulty;
48 int difficulty_given;
49 float difficulty_increase;
50
51 int dungeon_level;
52 int dungeon_depth;
53
54 int orientation;
55 int origin_x;
56 int origin_y;
57 uint32_t random_seed;
58 uint64_t total_map_hp;
59 int map_layout_style;
60 int symmetry_used;
61
62 struct region *region;
63
64 HV *hv;
65 void hv_clone (); // replaces the hv by a clone'd copy (%new_hv = { %hv })
66
67 shstr_tmp as_shstr () const;
68
69 // fetch something from the options hash
70 SV *get_sv (const char *option) const;
71 const_utf8_string get_str (const char *option, const_utf8_string fallback = "") const;
72 IV get_iv (const char *option, IV fallback = 0) const;
73 UV get_uv (const char *option, UV fallback = 0) const;
74 NV get_nv (const char *option, NV fallback = 0) const;
75
76 void set (const char *option, SV *value) const;
77 void set (const char *option, const_utf8_string value) const;
78 void set (const char *option, IV value) const;
79 void set (const char *option, UV value) const;
80 void set (const char *option, NV value) const;
81
82 void set (const char *option, int value) const { set (option, (IV)value); }
83
84 // "private", adjusted sizes
85 int Xsize;
86 int Ysize;
87
88 ~random_map_params ();
89 };
90
91 enum {
92 LAYOUT_NONE,
93 LAYOUT_ONION,
94 LAYOUT_MAZE,
95 LAYOUT_SPIRAL,
96 LAYOUT_ROGUELIKE,
97 LAYOUT_SNAKE,
98 LAYOUT_SQUARE_SPIRAL,
99 LAYOUT_CAVE,
100 NROFLAYOUTS,
101 };
102
103 /*
104 * Move these defines out of room_gen_onion.c to here, as
105 * other files (like square_spiral) also uses them.
106
107 options:
108 0 Pick random options below
109 1 "centered"
110 2 linear doors (default is nonlinear)
111 4 bottom "centered"
112 8 bottom-right centered
113 16 irregularly/randomly spaced layers (default: regular)
114 32 outer wall off: i.e., no outer wall.
115
116 */
117
118 enum {
119 RMOPT_RANDOM = 0,
120 RMOPT_CENTERED = 1,
121 RMOPT_LINEAR = 2,
122 RMOPT_BOTTOM_C = 4,
123 RMOPT_BOTTOM_R = 8,
124 RMOPT_IRR_SPACE = 16,
125 RMOPT_WALL_OFF = 32,
126 RMOPT_WALLS_ONLY = 64,
127 RMOPT_NO_DOORS = 256, /* Place walls insead of doors. Produces broken map. */
128 };
129
130 /* symmetry definitions--used in this file AND in treasure.c:
131 the numerical values matter so don't change them. */
132 enum {
133 SYMMETRY_RANDOM,
134 SYMMETRY_NONE,
135 SYMMETRY_X,
136 SYMMETRY_Y,
137 SYMMETRY_XY,
138 };
139
140 // 12 has been experimentally :( determined ot be a lot more stable
141 // than 11 or 10, leading to the assumption that something inherently
142 // needs a minimum size of at least 12
143 #define MIN_RANDOM_MAP_SIZE 12
144
145 // we often use signed chars for coordinates (and U8 for distances)
146 #define MAX_RANDOM_MAP_SIZE 120
147
148 // reference
149 //
150 // \0 floor only
151 // # wall
152 // D door
153 // < up
154 // > down
155 // C "center" (of onion layout)
156 // . ?? (rogue)
157 //
158
159 // use this in new code
160 struct LayoutData
161 {
162 char **col;
163 int w, h;
164
165 LayoutData (int w, int h);
166 ~LayoutData ();
167
168 operator char **()
169 {
170 return col;
171 }
172
173 // for debugging, print layout to stdout
174 void print ();
175
176 // simple inpainting
177 void fill (char fill);
178 void clear () { fill (0); }
179 void border (char fill = '#');
180 void rect (int x1, int y1, int x2, int y2, char fill); // x2, y2 exclusive
181
182 void fill_rand (int perc);
183
184 // makes sure all areas are connected. dirty=true carves rounder but also
185 // more walls, dirty=false carves narrow corridors.
186 void isolation_remover (bool dirty = 0);
187
188 // generates a cave, subtype 0 is a rough cave, randomly open or closed
189 void gen_cave (int subtype);
190 void erode_1_2 (int c1, int c2 = -1, int repeat = 1);
191
192 void swap (LayoutData &layout)
193 {
194 ::swap (layout.col, col);
195 ::swap (layout.w , w );
196 ::swap (layout.h , h );
197 }
198 };
199
200 // basically a layoutdata pointer - do not use in new code
201 struct Layout
202 {
203 LayoutData *ptr;
204
205 Layout ()
206 {
207 }
208
209 Layout (int xsize, int ysize)
210 : ptr (new LayoutData (xsize, ysize))
211 {
212 }
213
214 Layout (random_map_params *RP)
215 : ptr (new LayoutData (RP->Xsize, RP->Ysize))
216 {
217 }
218
219 void free ()
220 {
221 delete ptr;
222 }
223
224 LayoutData *operator ->() const
225 {
226 return ptr;
227 }
228
229 operator char **() const
230 {
231 return *ptr;
232 }
233
234 void swap (Layout &layout)
235 {
236 ::swap (layout.ptr, ptr);
237 }
238 };
239
240 // utility functions, to use rmg_rndm instead of rndm.
241 static inline int
242 rmg_find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
243 {
244 swap (rmg_rndm, rndm);
245 int i = find_free_spot (ob, m, x, y, start, stop);
246 swap (rmg_rndm, rndm);
247 return i;
248 }
249
250 // a simple point helper struct
251 struct point
252 {
253 short x;
254 short y;
255
256 point ()
257 {
258 }
259
260 point (int x, int y)
261 : x(x), y(y)
262 {
263 }
264 };
265
266 // something like a vector or stack, but without
267 // out of bounds checking
268 template<typename T>
269 struct fixed_stack
270 {
271 T *data;
272 int size;
273 int max;
274
275 fixed_stack ()
276 : size (0), data (0)
277 {
278 }
279
280 fixed_stack (int max)
281 : size (0), max (max)
282 {
283 data = salloc<T> (max);
284 }
285
286 void reset (int new_max)
287 {
288 sfree (data, max);
289 size = 0;
290 max = new_max;
291 data = salloc<T> (max);
292 }
293
294 void free ()
295 {
296 sfree (data, max);
297 data = 0;
298 }
299
300 ~fixed_stack ()
301 {
302 sfree (data, max);
303 }
304
305 T &operator[](int idx)
306 {
307 return data [idx];
308 }
309
310 void push (T v)
311 {
312 data [size++] = v;
313 }
314
315 T &pop ()
316 {
317 return data [--size];
318 }
319
320 T remove (int idx)
321 {
322 T v = data [idx];
323
324 data [idx] = data [--size];
325
326 return v;
327 }
328 };
329
330 #endif
331