Commit | Line | Data |
---|---|---|
15637ed4 RG |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | static char sccsid[] = "@(#)fly.c 5.6 (Berkeley) 3/4/91"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | #include "externs.h" | |
39 | #undef UP | |
40 | #include <curses.h> | |
41 | ||
42 | #define abs(a) ((a) < 0 ? -(a) : (a)) | |
43 | #define MIDR (LINES/2 - 1) | |
44 | #define MIDC (COLS/2 - 1) | |
45 | ||
46 | int row, column; | |
47 | int dr = 0, dc = 0; | |
48 | char destroyed; | |
49 | int clock = 120; /* time for all the flights in the game */ | |
50 | char cross = 0; | |
51 | sig_t oldsig; | |
52 | ||
53 | void | |
54 | succumb() | |
55 | { | |
56 | if (oldsig == SIG_DFL) { | |
57 | endfly(); | |
58 | exit(1); | |
59 | } | |
60 | if (oldsig != SIG_IGN) { | |
61 | endfly(); | |
62 | (*oldsig)(SIGINT); | |
63 | } | |
64 | } | |
65 | ||
66 | visual() | |
67 | { | |
68 | void moveenemy(); | |
69 | ||
70 | destroyed = 0; | |
71 | savetty(); | |
72 | if(initscr() == ERR){ | |
73 | puts("Whoops! No more memory..."); | |
74 | return(0); | |
75 | } | |
76 | oldsig = signal(SIGINT, succumb); | |
77 | crmode(); | |
78 | noecho(); | |
79 | screen(); | |
80 | row = rnd(LINES-3) + 1; | |
81 | column = rnd(COLS-2) + 1; | |
82 | moveenemy(); | |
83 | for (;;) { | |
84 | switch(getchar()){ | |
85 | ||
86 | case 'h': | |
87 | case 'r': | |
88 | dc = -1; | |
89 | fuel--; | |
90 | break; | |
91 | ||
92 | case 'H': | |
93 | case 'R': | |
94 | dc = -5; | |
95 | fuel -= 10; | |
96 | break; | |
97 | ||
98 | case 'l': | |
99 | dc = 1; | |
100 | fuel--; | |
101 | break; | |
102 | ||
103 | case 'L': | |
104 | dc = 5; | |
105 | fuel -= 10; | |
106 | break; | |
107 | ||
108 | case 'j': | |
109 | case 'u': | |
110 | dr = 1; | |
111 | fuel--; | |
112 | break; | |
113 | ||
114 | case 'J': | |
115 | case 'U': | |
116 | dr = 5; | |
117 | fuel -= 10; | |
118 | break; | |
119 | ||
120 | case 'k': | |
121 | case 'd': | |
122 | dr = -1; | |
123 | fuel--; | |
124 | break; | |
125 | ||
126 | case 'K': | |
127 | case 'D': | |
128 | dr = -5; | |
129 | fuel -= 10; | |
130 | break; | |
131 | ||
132 | case '+': | |
133 | if (cross){ | |
134 | cross = 0; | |
135 | notarget(); | |
136 | } | |
137 | else | |
138 | cross = 1; | |
139 | break; | |
140 | ||
141 | case ' ': | |
142 | case 'f': | |
143 | if (torps){ | |
144 | torps -= 2; | |
145 | blast(); | |
146 | if (row == MIDR && column - MIDC < 2 && MIDC - column < 2){ | |
147 | destroyed = 1; | |
148 | alarm(0); | |
149 | } | |
150 | } | |
151 | else | |
152 | mvaddstr(0,0,"*** Out of torpedoes. ***"); | |
153 | break; | |
154 | ||
155 | case 'q': | |
156 | endfly(); | |
157 | return(0); | |
158 | ||
159 | default: | |
160 | mvaddstr(0,26,"Commands = r,R,l,L,u,U,d,D,f,+,q"); | |
161 | continue; | |
162 | ||
163 | case EOF: | |
164 | break; | |
165 | } | |
166 | if (destroyed){ | |
167 | endfly(); | |
168 | return(1); | |
169 | } | |
170 | if (clock <= 0){ | |
171 | endfly(); | |
172 | die(); | |
173 | } | |
174 | } | |
175 | } | |
176 | ||
177 | screen() | |
178 | { | |
179 | register int r,c,n; | |
180 | int i; | |
181 | ||
182 | clear(); | |
183 | i = rnd(100); | |
184 | for (n=0; n < i; n++){ | |
185 | r = rnd(LINES-3) + 1; | |
186 | c = rnd(COLS); | |
187 | mvaddch(r, c, '.'); | |
188 | } | |
189 | mvaddstr(LINES-1-1,21,"TORPEDOES FUEL TIME"); | |
190 | refresh(); | |
191 | } | |
192 | ||
193 | target() | |
194 | { | |
195 | register int n; | |
196 | ||
197 | move(MIDR,MIDC-10); | |
198 | addstr("------- + -------"); | |
199 | for (n = MIDR-4; n < MIDR-1; n++){ | |
200 | mvaddch(n,MIDC,'|'); | |
201 | mvaddch(n+6,MIDC,'|'); | |
202 | } | |
203 | } | |
204 | ||
205 | notarget() | |
206 | { | |
207 | register int n; | |
208 | ||
209 | move(MIDR,MIDC-10); | |
210 | addstr(" "); | |
211 | for (n = MIDR-4; n < MIDR-1; n++){ | |
212 | mvaddch(n,MIDC,' '); | |
213 | mvaddch(n+6,MIDC,' '); | |
214 | } | |
215 | } | |
216 | ||
217 | blast() | |
218 | { | |
219 | register int n; | |
220 | ||
221 | alarm(0); | |
222 | move(LINES-1, 24); | |
223 | printw("%3d", torps); | |
224 | for(n = LINES-1-2; n >= MIDR + 1; n--){ | |
225 | mvaddch(n, MIDC+MIDR-n, '/'); | |
226 | mvaddch(n, MIDC-MIDR+n, '\\'); | |
227 | refresh(); | |
228 | } | |
229 | mvaddch(MIDR,MIDC,'*'); | |
230 | for(n = LINES-1-2; n >= MIDR + 1; n--){ | |
231 | mvaddch(n, MIDC+MIDR-n, ' '); | |
232 | mvaddch(n, MIDC-MIDR+n, ' '); | |
233 | refresh(); | |
234 | } | |
235 | alarm(1); | |
236 | } | |
237 | ||
238 | void | |
239 | moveenemy() | |
240 | { | |
241 | double d; | |
242 | int oldr, oldc; | |
243 | ||
244 | oldr = row; | |
245 | oldc = column; | |
246 | if (fuel > 0){ | |
247 | if (row + dr <= LINES-3 && row + dr > 0) | |
248 | row += dr; | |
249 | if (column + dc < COLS-1 && column + dc > 0) | |
250 | column += dc; | |
251 | } else if (fuel < 0){ | |
252 | fuel = 0; | |
253 | mvaddstr(0,60,"*** Out of fuel ***"); | |
254 | } | |
255 | d = (double) ((row - MIDR)*(row - MIDR) + (column - MIDC)*(column - MIDC)); | |
256 | if (d < 16){ | |
257 | row += (rnd(9) - 4) % (4 - abs(row - MIDR)); | |
258 | column += (rnd(9) - 4) % (4 - abs(column - MIDC)); | |
259 | } | |
260 | clock--; | |
261 | mvaddstr(oldr, oldc - 1, " "); | |
262 | if (cross) | |
263 | target(); | |
264 | mvaddstr(row, column - 1, "/-\\"); | |
265 | move(LINES-1, 24); | |
266 | printw("%3d", torps); | |
267 | move(LINES-1, 42); | |
268 | printw("%3d", fuel); | |
269 | move(LINES-1, 57); | |
270 | printw("%3d", clock); | |
271 | refresh(); | |
272 | signal(SIGALRM, moveenemy); | |
273 | alarm(1); | |
274 | } | |
275 | ||
276 | endfly() | |
277 | { | |
278 | alarm(0); | |
279 | signal(SIGALRM, SIG_DFL); | |
280 | mvcur(0,COLS-1,LINES-1,0); | |
281 | endwin(); | |
282 | signal(SIGTSTP, SIG_DFL); | |
283 | signal(SIGINT, oldsig); | |
284 | } |