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annotate rogue4/new_level.c @ 233:0990adf580ee

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Declare some function arguments as const. Some functions, mostly in fight.c, declared variables as pointers to const char but passed them to functions that took pointers to ordinary char. The strings did not actually get modified, so adding 'const' to the function definitions removed the warnings.
author John "Elwin" Edwards
date Sun, 06 Mar 2016 19:32:47 -0500
parents 1b73a8641b37
children 3d4252fa2ed3
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1 /*
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2 * new_level:
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3 * Dig and draw a new level
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4 *
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5 * @(#)new_level.c 4.19 (Berkeley) 1/12/82
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6 *
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7 * Rogue: Exploring the Dungeons of Doom
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8 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
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9 * All rights reserved.
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10 *
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11 * See the file LICENSE.TXT for full copyright and licensing information.
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12 */
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13
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14 #include <stdlib.h>
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15 #include <time.h>
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16 #include <curses.h>
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17 #include <string.h>
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18 #include "rogue.h"
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19
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20 #define TREAS_ROOM 20 /* one chance in TREAS_ROOM for a treasure room */
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21 #define MAXTREAS 10 /* maximum number of treasures in a treasure room */
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22 #define MINTREAS 2 /* minimum number of treasures in a treasure room */
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23
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24 void put_things(void);
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25 void treas_room(void);
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26
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27 void
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28 new_level(void)
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29 {
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30 register int rm, i;
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31 register THING *tp;
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32 register char *sp;
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33 register THING **mp;
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34 register int index;
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35 coord stairs;
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36
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37 player.t_flags &= ~ISHELD; /* unhold when you go down just in case */
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38 if (level > max_level)
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39 max_level = level;
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40 /*
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41 * Clean things off from last level
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42 */
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43 clear();
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44 for (sp = _level; sp < &_level[MAXCOLS*MAXLINES]; )
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45 *sp++ = ' ';
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46 for (sp = _flags; sp < &_flags[MAXCOLS*MAXLINES]; )
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47 *sp++ = F_REAL;
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48 for (mp = _monst; mp < &_monst[MAXCOLS*MAXLINES]; )
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49 *mp++ = NULL;
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50 clear();
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51 /*
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52 * Free up the monsters on the last level
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53 */
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54 for (tp = mlist; tp != NULL; tp = next(tp))
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55 free_list(tp->t_pack);
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56 free_list(mlist);
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57 /*
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58 * Throw away stuff left on the previous level (if anything)
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59 */
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60 free_list(lvl_obj);
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61 do_rooms(); /* Draw rooms */
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62 do_passages(); /* Draw passages */
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63 no_food++;
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64 put_things(); /* Place objects (if any) */
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65 /*
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66 * Place the staircase down.
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67 */
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68 i = 0;
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69 do {
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70 rm = rnd_room();
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71 rnd_pos(&rooms[rm], &stairs);
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72 index = INDEX(stairs.y, stairs.x);
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73 if (i++ > 100)
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74 {
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75 i = 0;
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76 srand(getpid() + (int) time((time_t *) NULL));
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77 }
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78 } until (_level[index] == FLOOR);
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79 _level[index] = STAIRS;
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80 /*
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81 * Place the traps
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82 */
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83 if (rnd(10) < level)
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84 {
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85 ntraps = rnd(level / 4) + 1;
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86 if (ntraps > MAXTRAPS)
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87 ntraps = MAXTRAPS;
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88 i = ntraps;
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89 while (i--)
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90 {
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91 do
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92 {
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93 rm = rnd_room();
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94 rnd_pos(&rooms[rm], &stairs);
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95 index = INDEX(stairs.y, stairs.x);
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96 } until (_level[index] == FLOOR && (_flags[index] & F_REAL));
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97 sp = &_flags[index];
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98 *sp &= ~(F_REAL | F_TMASK);
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99 *sp |= rnd(NTRAPS);
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100 }
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101 }
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102 do
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