| 1 | |
|
|
| 2 | /* |
1 | /* |
| 3 | CrossFire, A Multiplayer game for X-windows |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
| 4 | |
3 | * |
|
|
4 | * Copyright (©) 2005,2006,2007 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 |
| 9 | it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation, either version 3 of the License, or |
| 11 | (at your option) any later version. |
11 | * (at your 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 GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * |
| 21 | |
21 | * The authors can be reached via e-mail to <support@deliantra.net> |
| 22 | The author can be reached via e-mail to mark@pyramid.com |
|
|
| 23 | */ |
22 | */ |
| 24 | |
|
|
| 25 | |
23 | |
| 26 | /* The onion room generator: |
24 | /* The onion room generator: |
| 27 | Onion rooms are like this: |
25 | Onion rooms are like this: |
| 28 | |
26 | |
| 29 | char **map_gen_spiral(int xsize, int ysize, int option); |
27 | char **map_gen_spiral(int xsize, int ysize, int option); |
| … | |
… | |
| 82 | SizeY = ysize / 2 - 2; |
80 | SizeY = ysize / 2 - 2; |
| 83 | |
81 | |
| 84 | /* select random options if necessary */ |
82 | /* select random options if necessary */ |
| 85 | if (option == 0) |
83 | if (option == 0) |
| 86 | { |
84 | { |
| 87 | option = RANDOM () % MAX_SPIRAL_OPT; |
85 | option = rndm (MAX_SPIRAL_OPT); |
| 88 | } |
86 | } |
| 89 | |
87 | |
| 90 | /* the order in which these are evaluated matters */ |
88 | /* the order in which these are evaluated matters */ |
| 91 | |
89 | |
| 92 | /* the following two are mutually exclusive. |
90 | /* the following two are mutually exclusive. |
| 93 | pick one if they're both set. */ |
91 | pick one if they're both set. */ |
| 94 | if ((option & REGULAR_SPIRAL) && (option & FIT_SPIRAL)) |
92 | if ((option & REGULAR_SPIRAL) && (option & FIT_SPIRAL)) |
| 95 | { |
93 | { |
| 96 | /* unset REGULAR_SPIRAL half the time */ |
94 | /* unset REGULAR_SPIRAL half the time */ |
| 97 | if (RANDOM () % 2 && (option & REGULAR_SPIRAL)) |
95 | if (rndm (2) && (option & REGULAR_SPIRAL)) |
| 98 | option -= REGULAR_SPIRAL; |
96 | option -= REGULAR_SPIRAL; |
| 99 | else |
97 | else |
| 100 | option -= FIT_SPIRAL; |
98 | option -= FIT_SPIRAL; |
| 101 | } |
99 | } |
| 102 | |
100 | |
| 103 | xscale = yscale = MAX_FINE; /* fine spiral */ |
101 | xscale = yscale = MAX_FINE; /* fine spiral */ |
| 104 | |
102 | |
| 105 | /* choose the spiral pitch */ |
103 | /* choose the spiral pitch */ |
| 106 | if (!(option & FINE_SPIRAL)) |
104 | if (!(option & FINE_SPIRAL)) |
| 107 | { |
105 | { |
| 108 | float pitch = (RANDOM () % 5) / 10. + 10. / 22.; |
106 | float pitch = (rndm (5)) / 10. + 10. / 22.; |
| 109 | |
107 | |
| 110 | xscale = yscale = pitch; |
108 | xscale = yscale = pitch; |
| 111 | } |
109 | } |
| 112 | |
110 | |
| 113 | if ((option & FIT_SPIRAL) && (xsize != ysize)) |
111 | if ((option & FIT_SPIRAL) && (xsize != ysize)) |
