-/* $NetBSD: dr_2.c,v 1.15 2001/01/04 03:21:17 jwise Exp $ */
+/* $NetBSD: dr_2.c,v 1.27 2019/02/03 10:48:46 mrg Exp $ */
/*
* Copyright (c) 1983, 1993
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
#if 0
static char sccsid[] = "@(#)dr_2.c 8.1 (Berkeley) 5/31/93";
#else
-__RCSID("$NetBSD: dr_2.c,v 1.15 2001/01/04 03:21:17 jwise Exp $");
+__RCSID("$NetBSD: dr_2.c,v 1.27 2019/02/03 10:48:46 mrg Exp $");
#endif
#endif /* not lint */
+#include <stdbool.h>
+#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include "extern.h"
#include "driver.h"
#define couldwin(f,t) (f->specs->crew2 > t->specs->crew2 * 1.5)
-void thinkofgrapples(void);
-void checkup(void);
-void prizecheck(void);
-static int str_end(const char *);
-void closeon(struct ship *, struct ship *, char *, int, int, int);
-static int score(char *, struct ship *, struct ship *, int);
-static void move_ship(const char *, struct ship *, unsigned char *, short *, short *, char *);
-static void try(char *, char *, int, int, int, int, int, struct ship *, struct ship *, int *, int);
-static void rmend(char *);
+static int str_end(const char *);
+static int score(struct ship *, struct ship *, char *, size_t, int);
+static void move_ship(struct ship *, const char *, unsigned char *,
+ short *, short *, int *);
+static void try(struct ship *f, struct ship *t,
+ char *command, size_t commandmax, char *temp, size_t tempmax,
+ int ma, int ta, bool af, int vma, int dir, int *high,
+ int rakeme);
+static void rmend(char *);
const int dtab[] = {0,1,1,2,3,4,4,5}; /* diagonal distances in x==y */
thinkofgrapples(void)
{
struct ship *sp, *sq;
- char friendly;
+ bool friendly;
foreachship(sp) {
if (sp->file->captain[0] || sp->file->dir == 0)
continue;
if (range(sp, sq) != 1)
continue;
- if (grappled2(sp, sq))
+ if (grappled2(sp, sq)) {
if (is_toughmelee(sp, sq, 0, 0))
ungrap(sp, sq);
else
grap(sp, sq);
- else if (couldwin(sp, sq)) {
+ } else if (couldwin(sp, sq)) {
grap(sp, sq);
sp->file->loadwith = L_GRAPE;
}
continue;
if (dieroll() < 5)
continue;
- Write(sink == 1 ? W_SINK : W_EXPLODE, sp, 2, 0, 0, 0);
- Write(W_DIR, sp, 0, 0, 0, 0);
+ if (sink == 1) {
+ send_sink(sp, 2);
+ } else {
+ send_explode(sp, 2);
+ }
+ send_dir(sp, 0);
if (snagged(sp))
foreachship(sq)
cleansnag(sp, sq, 1);
if (sink != 1) {
makemsg(sp, "exploding!");
foreachship(sq) {
- if (sp != sq && sq->file->dir && range(sp, sq) < 4)
- table(RIGGING, L_EXPLODE, sp->specs->guns/13, sq, sp, 6);
+ if (sp != sq && sq->file->dir &&
+ range(sp, sq) < 4)
+ table(sp, sq, RIGGING, L_EXPLODE,
+ sp->specs->guns/13, 6);
}
- } else
+ } else {
makemsg(sp, "sinking!");
+ }
}
}
continue;
if (sp->file->struck || sp->file->dir == 0)
continue;
- if (sp->specs->crew1 + sp->specs->crew2 + sp->specs->crew3 > sp->file->pcrew * 6) {
- Writestr(W_SIGNAL, sp, "prize crew overthrown");
- Write(W_POINTS, sp->file->captured, sp->file->captured->file->points - 2 * sp->specs->pts, 0, 0, 0);
- Write(W_CAPTURED, sp, -1, 0, 0, 0);
+ if (sp->specs->crew1 + sp->specs->crew2 + sp->specs->crew3 >
+ sp->file->pcrew * 6) {
+ send_signal(sp, "prize crew overthrown");
+ send_points(sp->file->captured,
+ sp->file->captured->file->points
+ - 2 * sp->specs->pts);
+ send_captured(sp, -1);
}
}
}
}
void
-closeon(struct ship *from, struct ship *to, char *command, int ta, int ma, int af)
+closeon(struct ship *from, struct ship *to, char *command, size_t commandmax,
+ int ta, int ma, bool af)
{
int high;
char temp[10];
temp[0] = command[0] = '\0';
high = -30000;
- try(command, temp, ma, ta, af, ma, from->file->dir, from, to, &high, 0);
+ try(from, to, command, commandmax, temp, sizeof(temp),
+ ma, ta, af, ma, from->file->dir, &high, 0);
}
static int
-score(char *movement, struct ship *ship, struct ship *to, int onlytemp)
+score(struct ship *ship, struct ship *to, char *movement, size_t movementmax,
+ int onlytemp)
{
- char drift;
+ int drift;
int row, col, dir, total, ran;
struct File *fp = ship->file;
row = fp->row;
col = fp->col;
drift = fp->drift;
- move_ship(movement, ship, &fp->dir, &fp->row, &fp->col, &drift);
+ move_ship(ship, movement, &fp->dir, &fp->row, &fp->col, &drift);
if (!*movement)
- strcpy(movement, "d");
+ strlcpy(movement, "d", movementmax);
ran = range(ship, to);
total = -50 * ran;
}
static void
-move_ship(const char *p, struct ship *ship, unsigned char *dir, short *row, short *col, char *drift)
+move_ship(struct ship *ship, const char *p, unsigned char *dir,
+ short *row, short *col, int *drift)
{
int dist;
char moved = 0;
}
static void
-try(char *command, char *temp, int ma, int ta, int af, int vma, int dir, struct ship *f, struct ship *t, int *high, int rakeme)
+try(struct ship *f, struct ship *t,
+ char *command, size_t commandmax,
+ char *temp, size_t tempmax,
+ int ma, int ta, bool af, int vma, int dir, int *high, int rakeme)
{
int new, n;
- char st[4];
+ char st[11];
#define rakeyou (gunsbear(f, t) && !gunsbear(t, f))
if ((n = str_end(temp)) < '1' || n > '9')
for (n = 1; vma - n >= 0; n++) {
- sprintf(st, "%d", n);
- strcat(temp, st);
- new = score(temp, f, t, rakeme);
+ snprintf(st, sizeof(st), "%d", n);
+ strlcat(temp, st, tempmax);
+ new = score(f, t, temp, tempmax, rakeme);
if (new > *high && (!rakeme || rakeyou)) {
*high = new;
- strcpy(command, temp);
+ strlcpy(command, temp, commandmax);
}
- try(command, temp, ma-n, ta, af, vma-n,
- dir, f, t, high, rakeme);
+ try(f, t, command, commandmax, temp, tempmax,
+ ma-n, ta, af, vma-n,
+ dir, high, rakeme);
rmend(temp);
}
- if ((ma > 0 && ta > 0 && (n = str_end(temp)) != 'l' && n != 'r') || !strlen(temp)) {
- strcat(temp, "r");
- new = score(temp, f, t, rakeme);
- if (new > *high && (!rakeme || (gunsbear(f, t) && !gunsbear(t, f)))) {
+ if ((ma > 0 && ta > 0 && (n = str_end(temp)) != 'l' && n != 'r') ||
+ !strlen(temp)) {
+ strlcat(temp, "r", tempmax);
+ new = score(f, t, temp, tempmax, rakeme);
+ if (new > *high && (!rakeme ||
+ (gunsbear(f, t) && !gunsbear(t, f)))) {
*high = new;
- strcpy(command, temp);
+ strlcpy(command, temp, commandmax);
}
- try(command, temp, ma-1, ta-1, af, min(ma-1, maxmove(f, (dir == 8 ? 1 : dir+1), 0)), (dir == 8 ? 1 : dir+1),f,t,high,rakeme);
+ try(f, t, command, commandmax, temp, tempmax,
+ ma-1, ta-1, af,
+ min(ma-1, maxmove(f, (dir == 8 ? 1 : dir+1), 0)),
+ (dir == 8 ? 1 : dir+1), high, rakeme);
rmend(temp);
}
- if ((ma > 0 && ta > 0 && (n = str_end(temp)) != 'l' && n != 'r') || !strlen(temp)){
- strcat(temp, "l");
- new = score(temp, f, t, rakeme);
- if (new > *high && (!rakeme || (gunsbear(f, t) && !gunsbear(t, f)))){
+ if ((ma > 0 && ta > 0 && (n = str_end(temp)) != 'l' && n != 'r') ||
+ !strlen(temp)) {
+ strlcat(temp, "l", tempmax);
+ new = score(f, t, temp, tempmax, rakeme);
+ if (new > *high && (!rakeme ||
+ (gunsbear(f, t) && !gunsbear(t, f)))) {
*high = new;
- strcpy(command, temp);
+ strlcpy(command, temp, commandmax);
}
- try(command, temp, ma-1, ta-1, af, (min(ma-1,maxmove(f, (dir-1 ? dir-1 : 8), 0))), (dir-1 ? dir -1 : 8), f, t, high, rakeme);
+ try(f, t, command, commandmax, temp, tempmax,
+ ma-1, ta-1, af,
+ (min(ma-1,maxmove(f, (dir-1 ? dir-1 : 8), 0))),
+ (dir-1 ? dir -1 : 8), high, rakeme);
rmend(temp);
}
}
git.ckatri.com / bsdgames-darwin.git / blobdiff