1 /*        $NetBSD: command1.c,v 1.6 2021/05/02 12:50:43 rillig Exp $  */
2 
3 /*
4  * Copyright (c) 1983, 1993
5  *        The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)com1.c      8.2 (Berkeley) 4/28/95";
36 #else
37 __RCSID("$NetBSD: command1.c,v 1.6 2021/05/02 12:50:43 rillig Exp $");
38 #endif
39 #endif                                  /* not lint */
40 
41 #include "extern.h"
42 
43 static void convert(int);
44 
45 int
moveplayer(int thataway,int token)46 moveplayer(int thataway, int token)
47 {
48           wordnumber++;
49           if ((!notes[CANTMOVE] && !notes[LAUNCHED]) ||
50               testbit(location[position].objects, LAND) ||
51               (fuel > 0 && notes[LAUNCHED])) {
52                     if (thataway) {
53                               position = thataway;
54                               newway(token);
55                               ourtime++;
56                     } else {
57                               puts("You can't go this way.");
58                               newway(token);
59                               whichway(location[position]);
60                               return (0);
61                     }
62           } else {
63                     if (notes[CANTMOVE] && !notes[LAUNCHED]) {
64                               printf("You aren't able to move; you better drop ");
65                               puts("something.");
66                     } else {
67                               printf("You are out of fuel; ");
68                               puts("now you will rot in space forever!");
69                     }
70           }
71           return (1);
72 }
73 
74 /* Converts day to night and vice versa.              */
75 static void
convert(int tothis)76 convert(int tothis)
77 {
78           const struct objs *p;
79           unsigned int     i, j;
80 
81           if (tothis == TONIGHT) {
82                     for (i = 1; i <= NUMOFROOMS; i++)
83                               for (j = 0; j < NUMOFWORDS; j++)
84                                         nightfile[i].objects[j] = dayfile[i].objects[j];
85                     for (p = nightobjs; p->room != 0; p++)
86                               setbit(nightfile[p->room].objects, p->obj);
87                     location = nightfile;
88           } else {
89                     for (i = 1; i <= NUMOFROOMS; i++)
90                               for (j = 0; j < NUMOFWORDS; j++)
91                                         dayfile[i].objects[j] = nightfile[i].objects[j];
92                     for (p = nightobjs; p->room != 0; p++)
93                               clearbit(dayfile[p->room].objects, p->obj);
94                     location = dayfile;
95           }
96 }
97 
98 void
news(void)99 news(void)
100 {
101           int     n;
102           int     hurt;
103 
104           if (ourtime > 30 && position < 32) {
105                     printf("An explosion of shuddering magnitude splinters ");
106                     puts("bulkheads and");
107                     printf("ruptures the battlestar's hull.  You are sucked out ");
108                     puts("into the");
109                     puts("frozen void of space and killed.");
110                     die();
111           }
112           if (ourtime > 20 && position < 32)
113                     puts("Explosions rock the battlestar.");
114           if (ourtime > snooze) {
115                     puts("You drop from exhaustion...");
116                     zzz();
117           }
118           if (ourtime > snooze - 5)
119                     puts("You're getting tired.");
120           if (ourtime > (rythmn + CYCLE)) {
121                     if (location == nightfile) {
122                               convert(TODAY);
123                               if (OUTSIDE && ourtime - rythmn - CYCLE < 10) {
124                                         printf("Dew lit sunbeams stretch out from a ");
125                                         puts("watery sunrise and herald the dawn.");
126                                         printf("You awake from a misty dream-world ");
127                                         puts("into stark reality.");
128                                         puts("It is day.");
129                               }
130                     } else {
131                               convert(TONIGHT);
132                               clearbit(location[POOLS].objects, BATHGOD);
133                               if (OUTSIDE && ourtime - rythmn - CYCLE < 10) {
134                                         printf("The dying sun sinks into the ocean, ");
135                                         puts("leaving a blood-stained sunset.");
136                                         printf("The sky slowly fades from orange to ");
137                                         puts("violet to black.  A few stars");
138                                         puts("flicker on, and it is night.");
139                                         printf("The world seems completely different ");
140                                         puts("at night.");
141                               }
142                     }
143                     rythmn = ourtime - ourtime % CYCLE;
144           }
145           if (!wiz && !tempwiz)
146                     if ((testbit(inven, TALISMAN) || testbit(wear, TALISMAN)) &&
147                         (testbit(inven, MEDALION) || testbit(wear, MEDALION)) &&
148                         (testbit(inven, AMULET) || testbit(wear, AMULET))) {
149                               tempwiz = 1;
150                               printf("The three amulets glow and reenforce each ");
151                               puts("other in power.\nYou are now a wizard.");
152                     }
153           if (testbit(location[position].objects, ELF)) {
154                     printf("%s\n", objdes[ELF]);
155                     fight(ELF, rnd(30));
156           }
157           if (testbit(location[position].objects, DARK)) {
158                     printf("%s\n", objdes[DARK]);
159                     fight(DARK, 100);
160           }
161           if (testbit(location[position].objects, WOODSMAN)) {
162                     printf("%s\n", objdes[WOODSMAN]);
163                     fight(WOODSMAN, 50);
164           }
165           switch (position) {
166 
167           case 267:
168           case 257:           /* entering a cave */
169           case 274:
170           case 246:
171                     notes[CANTSEE] = 1;
172                     break;
173           case 160:
174           case 216:           /* leaving a cave */
175           case 230:
176           case 231:
177           case 232:
178                     notes[CANTSEE] = 0;
179                     break;
180           }
181           if (testbit(location[position].objects, GIRL))
182                     meetgirl = 1;
183           if (meetgirl && CYCLE * 1.5 - ourtime < 10) {
184                     setbit(location[GARDEN].objects, GIRLTALK);
185                     setbit(location[GARDEN].objects, LAMPON);
186                     setbit(location[GARDEN].objects, ROPE);
187           }
188           if (position == DOCK && (beenthere[position] || ourtime > CYCLE)) {
189                     clearbit(location[DOCK].objects, GIRL);
190                     clearbit(location[DOCK].objects, MAN);
191           }
192           if (meetgirl && ourtime - CYCLE * 1.5 > 10) {
193                     clearbit(location[GARDEN].objects, GIRLTALK);
194                     clearbit(location[GARDEN].objects, LAMPON);
195                     clearbit(location[GARDEN].objects, ROPE);
196                     meetgirl = 0;
197           }
198           if (testbit(location[position].objects, CYLON)) {
199                     puts("Oh my God, you're being shot at by an alien spacecraft!");
200                     printf("The targeting computer says we have %d seconds ",
201                         ourclock);
202                     printf("to attack!\n");
203                     fflush(stdout);
204                     sleep(1);
205                     if (!visual()) {
206                               hurt = rnd(NUMOFINJURIES);
207                               injuries[hurt] = 1;
208                               printf("Laser blasts sear the cockpit, and the alien ");
209                               puts("veers off in a victory roll.");
210                               puts("The viper shudders under a terrible explosion.");
211                               printf("I'm afraid you have suffered %s.\n",
212                                   ouch[hurt]);
213                     } else
214                               clearbit(location[position].objects, CYLON);
215           }
216           if (injuries[SKULL] && injuries[INCISE] && injuries[NECK]) {
217                     puts("I'm afraid you have suffered fatal injuries.");
218                     die();
219           }
220           for (n = 0; n < NUMOFINJURIES; n++)
221                     if (injuries[n] == 1) {
222                               injuries[n] = 2;
223                               if (WEIGHT > 5)
224                                         WEIGHT -= 5;
225                               else
226                                         WEIGHT = 0;
227                     }
228           if (injuries[ARM] == 2) {
229                     if (CUMBER > 5)
230                               CUMBER -= 5;
231                     else
232                               CUMBER = 0;
233                     injuries[ARM]++;
234           }
235           if (injuries[RIBS] == 2) {
236                     if (CUMBER > 2)
237                               CUMBER -= 2;
238                     else
239                               CUMBER = 0;
240                     injuries[RIBS]++;
241           }
242           if (injuries[SPINE] == 2) {
243                     WEIGHT = 0;
244                     injuries[SPINE]++;
245           }
246           if (carrying > WEIGHT || encumber > CUMBER)
247                     notes[CANTMOVE] = 1;
248           else
249                     notes[CANTMOVE] = 0;
250 }
251 
252 void
crash(void)253 crash(void)
254 {
255           int     hurt1, hurt2;
256 
257           fuel--;
258           if (!location[position].flyhere ||
259               (testbit(location[position].objects, LAND) && fuel <= 0)) {
260                     if (!location[position].flyhere)
261                               puts("You're flying too low.  We're going to crash!");
262                     else {
263                               puts("You're out of fuel.  We'll have to crash land!");
264                               if (!location[position].down) {
265                                         printf("Your viper strikes the ground and ");
266                                         puts("explodes into fiery fragments.");
267                                         printf("Thick black smoke billows up from the");
268                                         puts(" wreckage.");
269                                         die();
270                               }
271                               position = location[position].down;
272                     }
273                     notes[LAUNCHED] = 0;
274                     setbit(location[position].objects, CRASH);
275                     ourtime += rnd(CYCLE / 4);
276                     printf("The viper explodes into the ground and you lose ");
277                     puts("consciousness...");
278                     zzz();
279                     hurt1 = rnd(NUMOFINJURIES - 2) + 2;
280                     hurt2 = rnd(NUMOFINJURIES - 2) + 2;
281                     injuries[hurt1] = 1;
282                     injuries[hurt2] = 1;
283                     injuries[0] = 1;/* abrasions */
284                     injuries[1] = 1;/* lacerations */
285                     printf("I'm afraid you have suffered %s and %s.\n",
286                         ouch[hurt1], ouch[hurt2]);
287           }
288 }
289