ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/random_maps/room_gen_spiral.C
(Generate patch)

Comparing deliantra/server/random_maps/room_gen_spiral.C (file contents):
Revision 1.9 by root, Sat Jan 27 02:19:37 2007 UTC vs.
Revision 1.16 by root, Mon Oct 12 14:00:58 2009 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (C) 1994 Mark Wedel 5 * Copyright (©) 1994,2007 Mark Wedel
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation; either version 2 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program; if not, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * The author can be reached via e-mail to mark@pyramid.com 22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 23 */
24
25 24
26/* The onion room generator: 25/* The onion room generator:
27Onion rooms are like this: 26Onion rooms are like this:
28 27
29char **map_gen_spiral(int xsize, int ysize, int option); 28char **map_gen_spiral(int xsize, int ysize, int option);
30
31
32*/ 29*/
30
33#include <global.h> 31#include <global.h>
34#include <random_map.h> 32#include <random_map.h>
35 33
36#define RANDOM_OPTIONS 0 /* Pick random options below */ 34#define RANDOM_OPTIONS 0 /* Pick random options below */
37#define REGULAR_SPIRAL 1 /* Regular spiral--distance increases constantly */ 35#define REGULAR_SPIRAL 1 /* Regular spiral--distance increases constantly */
… …
51 49
52#define MAX_FINE .454545 50#define MAX_FINE .454545
53 51
54extern int surround_check (char **maze, int i, int j, int xsize, int ysize); 52extern int surround_check (char **maze, int i, int j, int xsize, int ysize);
55 53
56char ** 54void
57map_gen_spiral (int xsize, int ysize, int option) 55map_gen_spiral (Layout maze, int option)
58{ 56{
59 int i, j; 57 int i, j;
60 float parm = 0; 58 float parm = 0;
61 float x = 0, y = 0; 59 float x = 0, y = 0;
62 int ic, jc; 60 int ic, jc;
63 float SizeX, SizeY; 61 float SizeX, SizeY;
64 float xscale, yscale; 62 float xscale, yscale;
65 63
66 /* allocate that array, set it up */
67 char **maze = (char **) calloc (sizeof (char *), xsize);
68
69 for (i = 0; i < xsize; i++)
70 {
71 maze[i] = (char *) calloc (sizeof (char), ysize);
72 }
73
74 /* slightly easier to fill and then cut */ 64 /* slightly easier to fill and then cut */
75 for (i = 0; i < xsize; i++) 65 maze->clear ('#');
76 for (j = 0; j < ysize; j++) 66
77 maze[i][j] = '#'; 67 int xsize = maze->w;
68 int ysize = maze->h;
78 69
79 ic = xsize / 2; 70 ic = xsize / 2;
80 jc = ysize / 2; 71 jc = ysize / 2;
81 SizeX = xsize / 2 - 2; 72 SizeX = xsize / 2 - 2;
82 SizeY = ysize / 2 - 2; 73 SizeY = ysize / 2 - 2;
83 74
84 /* select random options if necessary */ 75 /* select random options if necessary */
85 if (option == 0) 76 if (option == 0)
86 {
87 option = rndm (MAX_SPIRAL_OPT); 77 option = rmg_rndm (MAX_SPIRAL_OPT);
88 }
89 78
90 /* the order in which these are evaluated matters */ 79 /* the order in which these are evaluated matters */
91 80
92 /* the following two are mutually exclusive. 81 /* the following two are mutually exclusive.
93 pick one if they're both set. */ 82 pick one if they're both set. */
94 if ((option & REGULAR_SPIRAL) && (option & FIT_SPIRAL)) 83 if ((option & REGULAR_SPIRAL) && (option & FIT_SPIRAL))
95 { 84 {
96 /* unset REGULAR_SPIRAL half the time */ 85 /* unset REGULAR_SPIRAL half the time */
97 if (rndm (2) && (option & REGULAR_SPIRAL)) 86 if (rmg_rndm (2) && (option & REGULAR_SPIRAL))
98 option -= REGULAR_SPIRAL; 87 option -= REGULAR_SPIRAL;
99 else 88 else
100 option -= FIT_SPIRAL; 89 option -= FIT_SPIRAL;
101 } 90 }
102 91
103 xscale = yscale = MAX_FINE; /* fine spiral */ 92 xscale = yscale = MAX_FINE; /* fine spiral */
104 93
105 /* choose the spiral pitch */ 94 /* choose the spiral pitch */
106 if (!(option & FINE_SPIRAL)) 95 if (!(option & FINE_SPIRAL))
107 { 96 {
108 float pitch = (rndm (5)) / 10. + 10. / 22.; 97 float pitch = (rmg_rndm (5)) / 10. + 10. / 22.;
109 98
110 xscale = yscale = pitch; 99 xscale = yscale = pitch;
111 } 100 }
112 101
113 if ((option & FIT_SPIRAL) && (xsize != ysize)) 102 if ((option & FIT_SPIRAL) && (xsize != ysize))
… …
128 /* cut out the spiral */ 117 /* cut out the spiral */
129 while ((fabs (x) < SizeX) && (fabs (y) < SizeY)) 118 while ((fabs (x) < SizeX) && (fabs (y) < SizeY))
130 { 119 {
131 x = parm * cos (parm) * xscale; 120 x = parm * cos (parm) * xscale;
132 y = parm * sin (parm) * yscale; 121 y = parm * sin (parm) * yscale;
133 maze[(int) (ic + x)][(int) (jc + y)] = '\0'; 122 maze[int (ic + x)][int (jc + y)] = '\0';
134 parm += 0.01; 123 parm += 0.01;
135 }; 124 }
136 125
137 maze[(int) (ic + x + 0.5)][(int) (jc + y + 0.5)] = '<'; 126 maze[int (ic + x + 0.5)][int (jc + y + 0.5)] = '<';
138
139 127
140 /* cut out the center in a 2x2 and place the center and downexit */ 128 /* cut out the center in a 2x2 and place the center and downexit */
141 maze[ic][jc + 1] = '>'; 129 maze[ic][jc + 1] = '>';
142 maze[ic][jc] = 'C'; 130 maze[ic][jc] = 'C';
143
144
145 return maze;
146} 131}
147 132
148/* the following function connects disjoint spirals which may 133/* the following function connects disjoint spirals which may
149 result from the symmetrization process. */ 134 result from the symmetrization process. */
150void 135void
151connect_spirals (int xsize, int ysize, int sym, char **layout) 136connect_spirals (int xsize, int ysize, int sym, char **layout)
152{ 137{
153
154 int i, j, ic = xsize / 2, jc = ysize / 2; 138 int i, j, ic = xsize / 2, jc = ysize / 2;
155 139
156 if (sym == SYMMETRY_X) 140 if (sym == SYMMETRY_X)
157 { 141 {
158 layout[ic][jc] = 0; 142 layout[ic][jc] = 0;
143
159 /* go left from map center */ 144 /* go left from map center */
160 for (i = ic - 1, j = jc; i > 0 && layout[i][j] == '#'; i--) 145 for (i = ic - 1, j = jc; i > 0 && layout[i][j] == '#'; i--)
161 layout[i][j] = 0; 146 layout[i][j] = 0;
147
162 /* go right */ 148 /* go right */
163 for (i = ic + 1, j = jc; i < xsize - 1 && layout[i][j] == '#'; i++) 149 for (i = ic + 1, j = jc; i < xsize - 1 && layout[i][j] == '#'; i++)
164 layout[i][j] = 0; 150 layout[i][j] = 0;
165 } 151 }
166 152
167 if (sym == SYMMETRY_Y) 153 if (sym == SYMMETRY_Y)
168 { 154 {
169
170 layout[ic][jc] = 0; 155 layout[ic][jc] = 0;
156
171 /* go up */ 157 /* go up */
172 for (i = ic, j = jc - 1; j > 0 && layout[i][j] == '#'; j--) 158 for (i = ic, j = jc - 1; j > 0 && layout[i][j] == '#'; j--)
173 layout[i][j] = 0; 159 layout[i][j] = 0;
160
174 /* go down */ 161 /* go down */
175 for (i = ic, j = jc + 1; j < ysize - 1 && layout[i][j] == '#'; j++) 162 for (i = ic, j = jc + 1; j < ysize - 1 && layout[i][j] == '#'; j++)
176 layout[i][j] = 0; 163 layout[i][j] = 0;
177 } 164 }
178 165
… …
181 /* go left from map center */ 168 /* go left from map center */
182 layout[ic][jc / 2] = 0; 169 layout[ic][jc / 2] = 0;
183 layout[ic / 2][jc] = 0; 170 layout[ic / 2][jc] = 0;
184 layout[ic][jc / 2 + jc] = 0; 171 layout[ic][jc / 2 + jc] = 0;
185 layout[ic / 2 + ic][jc] = 0; 172 layout[ic / 2 + ic][jc] = 0;
173
186 for (i = ic - 1, j = jc / 2; i > 0 && layout[i][j] == '#'; i--) 174 for (i = ic - 1, j = jc / 2; i > 0 && layout[i][j] == '#'; i--)
187 { 175 {
188 layout[i][j + jc] = 0; 176 layout[i][j + jc] = 0;
189 layout[i][j] = 0; 177 layout[i][j] = 0;
190 } 178 }
179
191 /* go right */ 180 /* go right */
192 for (i = ic + 1, j = jc / 2; i < xsize - 1 && layout[i][j] == '#'; i++) 181 for (i = ic + 1, j = jc / 2; i < xsize - 1 && layout[i][j] == '#'; i++)
193 { 182 {
194 layout[i][j + jc] = 0; 183 layout[i][j + jc] = 0;
195 layout[i][j] = 0; 184 layout[i][j] = 0;
196 } 185 }
186
197 /* go up */ 187 /* go up */
198 for (i = ic / 2, j = jc - 1; j > 0 && layout[i][j] == '#'; j--) 188 for (i = ic / 2, j = jc - 1; j > 0 && layout[i][j] == '#'; j--)
199 { 189 {
200 layout[i][j] = 0; 190 layout[i][j] = 0;
201 layout[i + ic][j] = 0; 191 layout[i + ic][j] = 0;
202 } 192 }
193
203 /* go down */ 194 /* go down */
204 for (i = ic / 2, j = jc + 1; j < ysize - 1 && layout[i][j] == '#'; j++) 195 for (i = ic / 2, j = jc + 1; j < ysize - 1 && layout[i][j] == '#'; j++)
205 { 196 {
206 layout[i][j] = 0; 197 layout[i][j] = 0;
207 layout[i + ic][j] = 0; 198 layout[i + ic][j] = 0;
… …
224 i = 0; 215 i = 0;
225 j = 0; 216 j = 0;
226 } 217 }
227 } 218 }
228 } 219 }
229
230
231
232} 220}
221

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines