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      1 /*	$NetBSD: pl_5.c,v 1.26 2019/02/03 03:19:25 mrg 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[] = "@(#)pl_5.c	8.1 (Berkeley) 5/31/93";
     36 #else
     37 __RCSID("$NetBSD: pl_5.c,v 1.26 2019/02/03 03:19:25 mrg Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <ctype.h>
     42 #include <signal.h>
     43 #include <stdio.h>
     44 #include <string.h>
     45 #include "extern.h"
     46 #include "player.h"
     47 #include "display.h"
     48 
     49 #define turnfirst(x) (*x == 'r' || *x == 'l')
     50 
     51 static void parties(struct ship *, int *, int, int);
     52 
     53 void
     54 acceptmove(void)
     55 {
     56 	int ta;
     57 	int ma;
     58 	bool af;
     59 	bool moved = false;
     60 	int vma, dir;
     61 	char promptstr[60];
     62 	char buf[60], last = '\0';
     63 	char *p;
     64 
     65 	if (!mc->crew3 || snagged(ms) || !windspeed) {
     66 		Msg("Unable to move");
     67 		return;
     68 	}
     69 
     70 	ta = maxturns(ms, &af);
     71 	ma = maxmove(ms, mf->dir, 0);
     72 	snprintf(promptstr, sizeof(promptstr),
     73 		"move (%d,%c%d): ", ma, af ? '\'' : ' ', ta);
     74 	sgetstr(promptstr, buf, sizeof buf);
     75 	dir = mf->dir;
     76 	vma = ma;
     77 	for (p = buf; *p; p++)
     78 		switch (*p) {
     79 		case 'l':
     80 			dir -= 2;
     81 			/* FALLTHROUGH */
     82 		case 'r':
     83 			if (++dir == 0)
     84 				dir = 8;
     85 			else if (dir == 9)
     86 				dir = 1;
     87 			if (last == 't') {
     88 				Msg("Ship can't turn that fast.");
     89 				*p-- = '\0';
     90 			}
     91 			last = 't';
     92 			ma--;
     93 			ta--;
     94 			vma = min(ma, maxmove(ms, dir, 0));
     95 			if ((ta < 0 && moved) || (vma < 0 && moved))
     96 				*p-- = '\0';
     97 			break;
     98 		case 'b':
     99 			ma--;
    100 			vma--;
    101 			last = 'b';
    102 			if ((ta < 0 && moved) || (vma < 0 && moved))
    103 				*p-- = '\0';
    104 			break;
    105 		case '0':
    106 		case 'd':
    107 			*p-- = '\0';
    108 			break;
    109 		case '\n':
    110 			*p-- = '\0';
    111 			break;
    112 		case '1': case '2': case '3': case '4':
    113 		case '5': case '6': case '7':
    114 			if (last == '0') {
    115 				Msg("Can't move that fast.");
    116 				*p-- = '\0';
    117 			}
    118 			last = '0';
    119 			moved = true;
    120 			ma -= *p - '0';
    121 			vma -= *p - '0';
    122 			if ((ta < 0 && moved) || (vma < 0 && moved))
    123 				*p-- = '\0';
    124 			break;
    125 		default:
    126 			if (!isspace((unsigned char)*p)) {
    127 				Msg("Input error.");
    128 				*p-- = '\0';
    129 			}
    130 		}
    131 	if ((ta < 0 && moved) || (vma < 0 && moved)
    132 	    || (af && turnfirst(buf) && moved)) {
    133 		Msg("Movement error.");
    134 		if (ta < 0 && moved) {
    135 			if (mf->FS == 1) {
    136 				send_fs(ms, 0);
    137 				Msg("No hands to set full sails.");
    138 			}
    139 		} else if (ma >= 0)
    140 			buf[1] = '\0';
    141 	}
    142 	if (af && !moved) {
    143 		if (mf->FS == 1) {
    144 			send_fs(ms, 0);
    145 			Msg("No hands to set full sails.");
    146 		}
    147 	}
    148 	if (*buf)
    149 		strlcpy(movebuf, buf, sizeof(movebuf));
    150 	else
    151 		strlcpy(movebuf, "d", sizeof(movebuf));
    152 	send_move(ms, movebuf);
    153 	Msg("Helm: %s.", movebuf);
    154 }
    155 
    156 void
    157 acceptboard(void)
    158 {
    159 	struct ship *sp;
    160 	int n;
    161 	int crew[3];
    162 	int men = 0;
    163 	char c;
    164 
    165 	crew[0] = mc->crew1;
    166 	crew[1] = mc->crew2;
    167 	crew[2] = mc->crew3;
    168 	for (n = 0; n < NBP; n++) {
    169 		if (mf->OBP[n].turnsent)
    170 			    men += mf->OBP[n].mensent;
    171 	}
    172 	for (n = 0; n < NBP; n++) {
    173 		if (mf->DBP[n].turnsent)
    174 			    men += mf->DBP[n].mensent;
    175 	}
    176 	if (men) {
    177 		crew[0] = men/100 ? 0 : crew[0] != 0;
    178 		crew[1] = (men%100)/10 ? 0 : crew[1] != 0;
    179 		crew[2] = men%10 ? 0 : crew[2] != 0;
    180 	} else {
    181 		crew[0] = crew[0] != 0;
    182 		crew[1] = crew[1] != 0;
    183 		crew[2] = crew[2] != 0;
    184 	}
    185 	foreachship(sp) {
    186 		if (sp == ms || sp->file->dir == 0 || range(ms, sp) > 1)
    187 			continue;
    188 		if (ms->nationality == capship(sp)->nationality)
    189 			continue;
    190 		if (meleeing(ms, sp) && crew[2]) {
    191 			c = sgetch("How many more to board the $$? ",
    192 				sp, 1);
    193 			parties(sp, crew, 0, c);
    194 		} else if ((fouled2(ms, sp) || grappled2(ms, sp)) && crew[2]) {
    195 			c = sgetch("Crew sections to board the $$ (3 max) ?",
    196 				   sp, 1);
    197 			parties(sp, crew, 0, c);
    198 		}
    199 	}
    200 	if (crew[2]) {
    201 		c = sgetch("How many sections to repel boarders? ",
    202 			(struct ship *)0, 1);
    203 		parties(ms, crew, 1, c);
    204 	}
    205 }
    206 
    207 static void
    208 parties(struct ship *to, int *crew, int isdefense, int buf)
    209 {
    210 	int k, j, men;
    211 	struct BP *ptr;
    212 	int temp[3];
    213 
    214 	for (k = 0; k < 3; k++)
    215 		temp[k] = crew[k];
    216 	if (isdigit(buf)) {
    217 		ptr = isdefense ? to->file->DBP : to->file->OBP;
    218 		for (j = 0; j < NBP && ptr[j].turnsent; j++)
    219 			;
    220 		if (j < NBP && !ptr[j].turnsent && buf > '0') {
    221 			men = 0;
    222 			for (k = 0; k < 3 && buf > '0'; k++) {
    223 				men += crew[k]
    224 					* (k == 0 ? 100 : (k == 1 ? 10 : 1));
    225 				crew[k] = 0;
    226 				if (men)
    227 					buf--;
    228 			}
    229 			if (buf > '0')
    230 				Msg("Sending all crew sections.");
    231 			if (isdefense) {
    232 				send_dbp(ms, j, turn, to->file->index, men);
    233 			} else {
    234 				send_obp(ms, j, turn, to->file->index, men);
    235 			}
    236 			if (isdefense) {
    237 				for (k=0; k < NBP; k++)
    238 					display_set_dbp(k,
    239 							 temp[k] && !crew[k]);
    240 				makemsg(ms, "repelling boarders");
    241 			} else {
    242 				for (k=0; k < NBP; k++)
    243 					display_set_obp(k,
    244 							 temp[k] && !crew[k]);
    245 				makesignal(ms, "boarding the $$", to);
    246 			}
    247 		} else
    248 			Msg("Sending no crew sections.");
    249 	}
    250 }
    251