ab8b63434d
Use const. Add __noreturn__ attributes. Add a __format__ attribute. Add __unused__ attributes. Use symbolic constants for open() and lseek(). Declare types of all function parameters; convert some function definitions to ISO C form. Ensure standard file descriptors are open on startup. Check for errors writing output of makedefs. Avoid duplicate definitions of variables.
321 lines
6.4 KiB
C
321 lines
6.4 KiB
C
/* $NetBSD: hack.vault.c,v 1.5 2001/03/25 20:44:03 jsm Exp $ */
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/*
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* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: hack.vault.c,v 1.5 2001/03/25 20:44:03 jsm Exp $");
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#endif /* not lint */
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#include "hack.h"
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#include "extern.h"
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#ifdef QUEST
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void
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setgd( /* mtmp */ )
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{ /* struct monst *mtmp; */
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}
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int
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gd_move() {
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return (2);
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}
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void
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gddead()
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{
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}
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void
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replgd(mtmp, mtmp2)
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struct monst *mtmp, *mtmp2;
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{
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}
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void
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invault()
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{
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}
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#else
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#include "def.mkroom.h"
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#define FCSIZ (ROWNO+COLNO)
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struct fakecorridor {
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xchar fx, fy, ftyp;
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};
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struct egd {
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int fcbeg, fcend; /* fcend: first unused pos */
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xchar gdx, gdy; /* goal of guard's walk */
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unsigned gddone:1;
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struct fakecorridor fakecorr[FCSIZ];
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};
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static const struct permonst pm_guard =
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{"guard", '@', 12, 12, -1, 4, 10, sizeof(struct egd)};
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static struct monst *guard;
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static int gdlevel;
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#define EGD ((struct egd *)(&(guard->mextra[0])))
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static void restfakecorr __P((void));
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static int goldincorridor __P((void));
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static void
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restfakecorr()
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{
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int fcx, fcy, fcbeg;
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struct rm *crm;
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while ((fcbeg = EGD->fcbeg) < EGD->fcend) {
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fcx = EGD->fakecorr[fcbeg].fx;
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fcy = EGD->fakecorr[fcbeg].fy;
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if ((u.ux == fcx && u.uy == fcy) || cansee(fcx, fcy) ||
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m_at(fcx, fcy))
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return;
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crm = &levl[fcx][fcy];
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crm->typ = EGD->fakecorr[fcbeg].ftyp;
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if (!crm->typ)
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crm->seen = 0;
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newsym(fcx, fcy);
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EGD->fcbeg++;
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}
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/* it seems he left the corridor - let the guard disappear */
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mondead(guard);
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guard = 0;
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}
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static int
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goldincorridor()
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{
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int fci;
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for (fci = EGD->fcbeg; fci < EGD->fcend; fci++)
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if (g_at(EGD->fakecorr[fci].fx, EGD->fakecorr[fci].fy))
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return (1);
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return (0);
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}
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void
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setgd()
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{
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struct monst *mtmp;
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for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
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if (mtmp->isgd) {
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guard = mtmp;
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gdlevel = dlevel;
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return;
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}
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guard = 0;
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}
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void
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invault()
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{
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int tmp = inroom(u.ux, u.uy);
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if (tmp < 0 || rooms[tmp].rtype != VAULT) {
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u.uinvault = 0;
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return;
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}
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if (++u.uinvault % 50 == 0 && (!guard || gdlevel != dlevel)) {
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char buf[BUFSZ];
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int x, y, dd, gx, gy;
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/* first find the goal for the guard */
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for (dd = 1; (dd < ROWNO || dd < COLNO); dd++) {
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for (y = u.uy - dd; y <= u.uy + dd; y++) {
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if (y < 0 || y > ROWNO - 1)
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continue;
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for (x = u.ux - dd; x <= u.ux + dd; x++) {
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if (y != u.uy - dd && y != u.uy + dd && x != u.ux - dd)
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x = u.ux + dd;
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if (x < 0 || x > COLNO - 1)
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continue;
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if (levl[x][y].typ == CORR)
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goto fnd;
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}
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}
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}
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impossible("Not a single corridor on this level??");
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tele();
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return;
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fnd:
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gx = x;
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gy = y;
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/* next find a good place for a door in the wall */
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x = u.ux;
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y = u.uy;
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while (levl[x][y].typ == ROOM) {
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int dx, dy;
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dx = (gx > x) ? 1 : (gx < x) ? -1 : 0;
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dy = (gy > y) ? 1 : (gy < y) ? -1 : 0;
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if (abs(gx - x) >= abs(gy - y))
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x += dx;
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else
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y += dy;
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}
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/* make something interesting happen */
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if (!(guard = makemon(&pm_guard, x, y)))
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return;
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guard->isgd = guard->mpeaceful = 1;
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EGD->gddone = 0;
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gdlevel = dlevel;
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if (!cansee(guard->mx, guard->my)) {
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mondead(guard);
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guard = 0;
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return;
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}
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pline("Suddenly one of the Vault's guards enters!");
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pmon(guard);
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do {
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pline("\"Hello stranger, who are you?\" - ");
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getlin(buf);
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} while (!letter(buf[0]));
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if (!strcmp(buf, "Croesus") || !strcmp(buf, "Kroisos")) {
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pline("\"Oh, yes - of course. Sorry to have disturbed you.\"");
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mondead(guard);
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guard = 0;
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return;
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}
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clrlin();
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pline("\"I don't know you.\"");
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if (!u.ugold)
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pline("\"Please follow me.\"");
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else {
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pline("\"Most likely all that gold was stolen from this vault.\"");
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pline("\"Please drop your gold (say d$ ) and follow me.\"");
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}
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EGD->gdx = gx;
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EGD->gdy = gy;
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EGD->fcbeg = 0;
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EGD->fakecorr[0].fx = x;
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EGD->fakecorr[0].fy = y;
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EGD->fakecorr[0].ftyp = levl[x][y].typ;
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levl[x][y].typ = DOOR;
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EGD->fcend = 1;
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}
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}
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int
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gd_move()
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{
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int x, y, dx, dy, gx, gy, nx, ny, typ;
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struct fakecorridor *fcp;
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struct rm *crm;
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if (!guard || gdlevel != dlevel) {
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impossible("Where is the guard?");
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return (2); /* died */
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}
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if (u.ugold || goldincorridor())
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return (0); /* didnt move */
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if (dist(guard->mx, guard->my) > 1 || EGD->gddone) {
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restfakecorr();
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return (0); /* didnt move */
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}
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x = guard->mx;
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y = guard->my;
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/* look around (hor & vert only) for accessible places */
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for (nx = x - 1; nx <= x + 1; nx++)
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for (ny = y - 1; ny <= y + 1; ny++) {
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if (nx == x || ny == y)
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if (nx != x || ny != y)
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if (isok(nx, ny))
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if (!IS_WALL(typ = (crm = &levl[nx][ny])->typ) && typ != POOL) {
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int i;
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for (i = EGD->fcbeg; i < EGD->fcend; i++)
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if (EGD->fakecorr[i].fx == nx &&
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EGD->fakecorr[i].fy == ny)
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goto nextnxy;
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if ((i = inroom(nx, ny)) >= 0 && rooms[i].rtype == VAULT)
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goto nextnxy;
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/*
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* seems we found a
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* good place to
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* leave him alone
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*/
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EGD->gddone = 1;
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if (ACCESSIBLE(typ))
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goto newpos;
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crm->typ = (typ == SCORR) ? CORR : DOOR;
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goto proceed;
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}
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nextnxy: ;
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}
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nx = x;
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ny = y;
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gx = EGD->gdx;
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gy = EGD->gdy;
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dx = (gx > x) ? 1 : (gx < x) ? -1 : 0;
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dy = (gy > y) ? 1 : (gy < y) ? -1 : 0;
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if (abs(gx - x) >= abs(gy - y))
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nx += dx;
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else
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ny += dy;
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while ((typ = (crm = &levl[nx][ny])->typ) != 0) {
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/*
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* in view of the above we must have IS_WALL(typ) or typ ==
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* POOL
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*/
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/* must be a wall here */
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if (isok(nx + nx - x, ny + ny - y) && typ != POOL &&
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ZAP_POS(levl[nx + nx - x][ny + ny - y].typ)) {
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crm->typ = DOOR;
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goto proceed;
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}
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if (dy && nx != x) {
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nx = x;
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ny = y + dy;
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continue;
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}
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if (dx && ny != y) {
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ny = y;
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nx = x + dx;
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dy = 0;
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continue;
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}
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/* I don't like this, but ... */
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crm->typ = DOOR;
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goto proceed;
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}
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crm->typ = CORR;
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proceed:
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if (cansee(nx, ny)) {
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mnewsym(nx, ny);
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prl(nx, ny);
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}
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fcp = &(EGD->fakecorr[EGD->fcend]);
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if (EGD->fcend++ == FCSIZ)
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panic("fakecorr overflow");
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fcp->fx = nx;
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fcp->fy = ny;
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fcp->ftyp = typ;
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newpos:
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if (EGD->gddone)
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nx = ny = 0;
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guard->mx = nx;
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guard->my = ny;
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pmon(guard);
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restfakecorr();
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return (1);
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}
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void
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gddead()
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{
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guard = 0;
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}
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void
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replgd(mtmp, mtmp2)
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struct monst *mtmp, *mtmp2;
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{
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if (mtmp == guard)
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guard = mtmp2;
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}
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#endif /* QUEST */
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