/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure, Markus Armbruster
*
* Empire is free software: you can redistribute it and/or modify
*
* Known contributors to this file:
* Ron Koenderink, 2005
- * Markus Armbruster, 2006-2011
+ * Markus Armbruster, 2006-2021
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include "empobj.h"
-#include "file.h"
#include "misc.h"
#include "nsc.h"
#include "product.h"
+#include "xdump.h"
static void verify_fail(int, int, struct castr *, int, char *, ...)
ATTRIBUTE((format (printf, 5, 6)));
ef_nameof(type), row);
if (ca) {
fprintf(stderr, " field %s", ca->ca_name);
- if (ca->ca_type != NSC_STRINGY && ca->ca_len != 0)
+ if (CA_IS_ARRAY(ca))
fprintf(stderr, "(%d)", idx);
}
fprintf(stderr, ": ");
struct castr *ca = ef_cadef(type);
int i;
- for (i = 0; ca[i].ca_name; i++) {
+ for (i = 0; ca && ca[i].ca_name; i++) {
/*
- * Virtual selectors must be NSC_EXTRA, because xundump can't
- * cope with them without setter methods. Exception: if
- * EFF_MEM is not set, xundump doesn't touch the table.
+ * Virtual selectors can't be used in xundump, since we lack a
+ * setter to go with ca_get().
*/
- if (CANT_HAPPEN((ef_flags(type) & EFF_MEM)
- && ca[i].ca_get && !(ca[i].ca_flags & NSC_EXTRA)))
- ca[i].ca_flags |= NSC_EXTRA;
+ if (CANT_HAPPEN(xundumpable(type)
+ && ca[i].ca_get
+ && ca[i].ca_dump <= CA_DUMP_CONST))
+ ca[i].ca_dump = CA_DUMP_ONLY;
}
return 0;
}
if (CANT_HAPPEN(ca_sym != symbol_ca))
return -1;
for (i = 0; i < (int)sizeof(long) * 8; i++) {
- if (val & (1L << i)) {
+ if (val & (1UL << i)) {
if (!symbol_by_value(1L << i, ef_ptr(tabno, 0))) {
verify_fail(type, row, ca, idx,
"bit %d is not in symbol table %s",
val, ef_nameof(tabno), ef_nelem(tabno));
return -1;
}
+ /* laziness: assumes TABNO is EFF_MEM */
+ if (val >= 0 && !empobj_in_use(tabno, ef_ptr(tabno, val))) {
+ verify_fail(type, row, ca, idx,
+ "value %ld refers to missing element of table %s",
+ val, ef_nameof(tabno));
+ return -1;
+ }
}
return 0;
}
}
if (!empobj_in_use(type, row_ref))
- return ret_val;
+ goto out;
- for (i = 0; ca[i].ca_name; ++i) {
+ for (i = 0; ca && ca[i].ca_name; ++i) {
if (ca[i].ca_get)
continue; /* virtual */
- n = ca[i].ca_type != NSC_STRINGY ? ca[i].ca_len : 0;
+ n = CA_ARRAY_LEN(&ca[i]);
j = 0;
do {
if (ca[i].ca_table == EF_BAD)
continue;
nstr_mksymval(&val, &ca[i], j);
- nstr_exec_val(&val, 0, row_ref, NSC_NOTYPE);
+ nstr_eval(&val, 0, row_ref, NSC_NOTYPE);
if (CANT_HAPPEN(val.val_type != NSC_LONG)) {
ret_val = -1;
continue;
}
if (ca[i].ca_table == type && i == 0) {
- /* uid */
+ /* UID */
if (val.val_as.lng != row) {
verify_fail(type, row, &ca[i], j,
"value is %ld instead of %d",
}
} while (++j < n);
}
+
+out:
if (!(flags & EFF_MEM))
free(row_ref);
return ret_val;
}
-static void
-pln_zap_transient_flags(void)
+static int
+verify_table(int type)
+{
+ int retval = 0;
+ int i;
+
+ verify_ca(type);
+ for (i = 0; i < ef_nelem(type); i++)
+ retval |= verify_row(type, i);
+ return retval;
+}
+
+static int
+verify_sectors(int may_put)
{
+ int i;
+ struct sctstr *sp;
+ coord x, y;
+
+ /* laziness: assumes sector file is EFF_MEM */
+ for (i = 0; (sp = getsectid(i)); i++) {
+ sctoff2xy(&x, &y, sp->sct_uid);
+ if (sp->sct_x != x || sp->sct_y != y) {
+ sp->sct_x = x;
+ sp->sct_y = y;
+ if (may_put)
+ putsect(sp);
+ verify_fail(EF_SECTOR, i, NULL, 0, "bogus coordinates (fixed)");
+ }
+ }
+ return 0;
+}
+
+static int
+verify_planes(int may_put)
+{
+ int retval = 0;
int i;
struct plnstr *pp;
- int dirty = 0;
/* laziness: assumes plane file is EFF_MEM */
- for (i = 0; (pp = getplanep(i)) != NULL; i++) {
- if (!pp->pln_own)
+ for (i = 0; (pp = getplanep(i)); i++) {
+ if (pp->pln_own) {
+ if (pp->pln_flags & PLN_LAUNCHED
+ && (plchr[pp->pln_type].pl_flags & (P_M | P_O)) != P_O) {
+ pp->pln_flags &= ~PLN_LAUNCHED;
+ /* FIXME missile should be destroyed instead */
+ if (may_put)
+ putplane(i, pp);
+ verify_fail(EF_PLANE, i, NULL, 0, "stuck in the air (fixed)");
+ }
+ if (pp->pln_ship >= 0 && pp->pln_land >= 0) {
+ verify_fail(EF_PLANE, i, NULL, 0, "on two carriers");
+ retval = -1;
+ }
+ } else {
+ if (pp->pln_ship >= 0 || pp->pln_land >= 0) {
+ pp->pln_ship = pp->pln_land = -1;
+ if (may_put)
+ putplane(i, pp);
+ verify_fail(EF_PLANE, i, NULL, 0,
+ "ghost stuck on carrier (fixed)");
+ }
+ }
+ }
+ return retval;
+}
+
+static int
+verify_lands(int may_put)
+{
+ int retval = 0;
+ int i;
+ struct lndstr *lp;
+
+ /* laziness: assumes land file is EFF_MEM */
+ for (i = 0; (lp = getlandp(i)); i++) {
+ if (lp->lnd_own) {
+ if (lp->lnd_ship >= 0 && lp->lnd_land >= 0) {
+ verify_fail(EF_LAND, i, NULL, 0, "on two carriers");
+ retval = -1;
+ }
+ } else {
+ if (lp->lnd_ship >= 0 || lp->lnd_land >= 0) {
+ lp->lnd_ship = lp->lnd_land = -1;
+ if (may_put)
+ putland(i, lp);
+ verify_fail(EF_LAND, i, NULL, 0,
+ "ghost stuck on carrier (fixed)");
+ }
+ }
+ }
+ return retval;
+}
+
+static int
+verify_nukes(int may_put)
+{
+ int retval = 0;
+ int i;
+ struct nukstr *np;
+
+ /* laziness: assumes nuke file is EFF_MEM */
+ for (i = 0; (np = getnukep(i)); i++) {
+ if (!np->nuk_own) {
+ if (np->nuk_plane >= 0) {
+ np->nuk_plane = -1;
+ if (may_put)
+ putnuke(i, np);
+ verify_fail(EF_NUKE, i, NULL, 0,
+ "ghost stuck on carrier (fixed)");
+ }
+ }
+ }
+ return retval;
+}
+
+static int
+verify_ship_chr(void)
+{
+ int retval = 0;
+ int i;
+
+ for (i = 0; mchr[i].m_name; i++) {
+ if (!mchr[i].m_name[0])
continue;
- if (pp->pln_flags & PLN_LAUNCHED
- && (plchr[pp->pln_type].pl_flags & (P_M | P_O)) != P_O) {
- pp->pln_flags &= ~PLN_LAUNCHED;
- /* FIXME missile should be destroyed instead */
- dirty = 1;
- verify_fail(EF_PLANE, i, NULL, 0, "stuck in the air (fixed)");
- /*
- * Can't putplane() here, because pln_prewrite() crashes
- * without a valid player.
- */
+ if ((mchr[i].m_flags & M_DCH) && !mchr[i].m_glim) {
+ verify_fail(EF_SHIP_CHR, i, NULL, 0,
+ "flag %s requires non-zero glim",
+ symbol_by_value(M_DCH, ship_chr_flags));
+ retval = -1;
+ }
+ if (mchr[i].m_nplanes && !(mchr[i].m_flags & (M_MSL | M_FLY))) {
+ verify_fail(EF_SHIP_CHR, i, NULL, 0,
+ "non-zero nplanes needs flag %s or %s",
+ symbol_by_value(M_FLY, ship_chr_flags),
+ symbol_by_value(M_MSL, ship_chr_flags));
+ retval = -1;
}
}
- if (dirty)
- ef_flush(EF_PLANE); /* pretty wasteful */
+ return retval;
}
-int
-ef_verify(void)
+static int
+verify_plane_chr(void)
+{
+ int retval = 0;
+ int i, flags, accepted_flags;
+ char buf[1024];
+
+ for (i = 0; plchr[i].pl_name; i++) {
+ if (!plchr[i].pl_name[0])
+ continue;
+ flags = plchr[i].pl_flags;
+ accepted_flags = P_V | P_K | P_L;
+ if (flags & P_M) {
+ /* missile */
+ accepted_flags |= P_M | P_E;
+ if (flags & P_N)
+ accepted_flags |= P_N;
+ else if (flags & P_O)
+ accepted_flags |= P_O;
+ else if (flags & P_F)
+ accepted_flags |= P_F;
+ else
+ accepted_flags |= P_T | P_MAR;
+ if (!(flags & P_V)) {
+ verify_fail(EF_PLANE_CHR, i, NULL, 0,
+ "flag %s requires flag %s",
+ symbol_by_value(P_M, plane_chr_flags),
+ symbol_by_value(P_V, plane_chr_flags));
+ retval = -1;
+ }
+ } else if (flags & P_O) {
+ /* satellite */
+ accepted_flags |= P_O | P_S | P_I;
+ } else {
+ /* plane */
+ accepted_flags |= P_B | P_T | P_F | P_C | P_S | P_I | P_A | P_P
+ | P_ESC | P_MINE | P_SWEEP;
+ if ((flags & (P_P | P_C)) == P_P) {
+ verify_fail(EF_PLANE_CHR, i, NULL, 0,
+ "flag %s requires flag %s",
+ symbol_by_value(P_P, plane_chr_flags),
+ symbol_by_value(P_C, plane_chr_flags));
+ retval = -1;
+ }
+ }
+ if (flags & ~accepted_flags) {
+ symbol_set_fmt(buf, sizeof(buf), flags & ~accepted_flags,
+ plane_chr_flags, ", ", 1);
+ verify_fail(EF_PLANE_CHR, i, NULL, 0,
+ "invalid flag combination, can't have %s", buf);
+ retval = -1;
+ }
+ }
+ return retval;
+}
+
+static int
+verify_land_chr(void)
{
- struct empfile *ep;
int retval = 0;
int i;
- for (ep = empfile; ep->name; ep++) {
- if (!ef_cadef(ep->uid))
+ for (i = 0; lchr[i].l_name; i++) {
+ if (!lchr[i].l_name[0])
continue;
- verify_ca(ep->uid);
- for (i = 0; i < ef_nelem(ep->uid); i++) {
- retval += verify_row(ep->uid, i);
+ if ((lchr[i].l_flags & L_SPY) && lchr[i].l_item[I_MILIT]) {
+ verify_fail(EF_LAND_CHR, i, NULL, 0,
+ "flag %s requires zero milit",
+ symbol_by_value(L_SPY, land_chr_flags));
+ retval = -1;
}
}
+ return retval;
+}
- /* Special checks */
+static int
+verify_products(void)
+{
+ int retval = 0;
+ int i;
+
+ /* product makes either level or item, not both */
for (i = 0; pchr[i].p_sname; i++) {
if (!pchr[i].p_sname[0])
continue;
if ((pchr[i].p_type >= 0) == (pchr[i].p_level >= 0)) {
- fprintf(stderr,
- "Config %s uid %d field level doesn't match field type\n",
- ef_nameof(EF_PRODUCT), i);
+ verify_fail(EF_PRODUCT, i, NULL, 0,
+ "level must be none or type -1");
retval = -1;
}
}
+ return retval;
+}
+
+/*
+ * Verify game configuration is sane.
+ * Return 0 on success, -1 on failure.
+ */
+int
+ef_verify_config(void)
+{
+ int retval = 0;
+ int i;
+
+ for (i = 0; i < EF_MAX; i++) {
+ if (!EF_IS_GAME_STATE(i) && !EF_IS_VIEW(i))
+ retval |= verify_table(i);
+ }
- pln_zap_transient_flags();
+ /* Special checks */
+ retval |= verify_ship_chr();
+ retval |= verify_plane_chr();
+ retval |= verify_land_chr();
+ retval |= verify_products();
+ return retval;
+}
+
+/*
+ * Verify game state is sane.
+ * Correct minor problems, but write corrections to backing files only
+ * if @may_put is non-zero.
+ * Return -1 if uncorrected problems remain, else 0.
+ */
+int
+ef_verify_state(int may_put)
+{
+ int retval = 0;
+ int i;
+
+ for (i = 0; i < EF_MAX; i++) {
+ if (EF_IS_GAME_STATE(i) || EF_IS_VIEW(i))
+ retval |= verify_table(i);
+ }
+
+ /* Special checks */
+ retval |= verify_sectors(may_put);
+ retval |= verify_planes(may_put);
+ retval |= verify_lands(may_put);
+ retval |= verify_nukes(may_put);
return retval;
}