ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/random_maps/random_map.h
Revision: 1.30
Committed: Wed Jun 30 23:03:40 2010 UTC (13 years, 10 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.29: +26 -8 lines
Log Message:
add cave maze type

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 // reference
146 //
147 // \0 floor only
148 // # wall
149 // D door
150 // < up
151 // > down
152 // C "center" (of onion layout)
153 // . ?? (rogue)
154 //
155
156 // use this in new code
157 struct LayoutData
158 {
159 char **col;
160 int w, h;
161
162 LayoutData (int w, int h);
163 ~LayoutData ();
164
165 operator char **()
166 {
167 return col;
168 }
169
170 // for debugging, print layout to stdout
171 void print ();
172
173 // simple inpainting
174 void fill (char fill);
175 void clear () { fill (0); }
176 void border (char fill = '#');
177 void rect (int x1, int y1, int x2, int y2, char fill); // x2, y2 exclusive
178
179 void fill_rand (int perc);
180
181 // makes sure all areas are connected. dirty=true carves rounder but also
182 // more walls, dirty=false carves narrow corridors.
183 void isolation_remover (bool dirty = 0);
184
185 // generates a cave, subtype 0 is a rough cave, randomly open or closed
186 void gen_cave (int subtype);
187 void erode_1_2 (int c1, int c2 = -1, int repeat = 1);
188
189 void swap (LayoutData &layout)
190 {
191 ::swap (layout.col, col);
192 ::swap (layout.w , w );
193 ::swap (layout.h , h );
194 }
195 };
196
197 // basically a layoutdata point - do not use in new code
198 struct Layout
199 {
200 LayoutData *ptr;
201
202 Layout ()
203 {
204 }
205
206 Layout (int xsize, int ysize)
207 : ptr (new LayoutData (xsize, ysize))
208 {
209 }
210
211 Layout (random_map_params *RP)
212 : ptr (new LayoutData (RP->Xsize, RP->Ysize))
213 {
214 }
215
216 void free ()
217 {
218 delete ptr;
219 }
220
221 LayoutData *operator ->() const
222 {
223 return ptr;
224 }
225
226 operator char **() const
227 {
228 return *ptr;
229 }
230
231 void swap (Layout &layout)
232 {
233 ::swap (layout.ptr, ptr);
234 }
235 };
236
237 // utility functions, to use rmg_rndm instead of rndm.
238 static inline int
239 rmg_find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
240 {
241 swap (rmg_rndm, rndm);
242 int i = find_free_spot (ob, m, x, y, start, stop);
243 swap (rmg_rndm, rndm);
244 return i;
245 }
246
247 // a simple point helper struct
248 struct point
249 {
250 short x;
251 short y;
252
253 point ()
254 {
255 }
256
257 point (int x, int y)
258 : x(x), y(y)
259 {
260 }
261 };
262
263 // something like a vector or stack, but without
264 // out of bounds checking
265 template<typename T>
266 struct fixed_stack
267 {
268 T *data;
269 int size;
270 int max;
271
272 fixed_stack ()
273 : size (0), data (0)
274 {
275 }
276
277 fixed_stack (int max)
278 : size (0), max (max)
279 {
280 data = salloc<T> (max);
281 }
282
283 void reset (int new_max)
284 {
285 sfree (data, max);
286 size = 0;
287 max = new_max;
288 data = salloc<T> (max);
289 }
290
291 void free ()
292 {
293 sfree (data, max);
294 data = 0;
295 }
296
297 ~fixed_stack ()
298 {
299 sfree (data, max);
300 }
301
302 T &operator[](int idx)
303 {
304 return data [idx];
305 }
306
307 void push (T v)
308 {
309 data [size++] = v;
310 }
311
312 T &pop ()
313 {
314 return data [--size];
315 }
316
317 T remove (int idx)
318 {
319 T v = data [idx];
320
321 data [idx] = data [--size];
322
323 return v;
324 }
325 };
326
327 #endif
328