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Simplify buil(): factor "can't build" handling out of switch cases

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This commit is contained in:
Markus Armbruster 2011-04-23 09:22:00 +02:00
parent 164b90760f
commit 61e00d5559
1 changed files with 19 additions and 43 deletions
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62
src/lib/commands/buil.c
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@ -69,8 +69,7 @@ buil(void)
int rqtech;
int tlev;
int type;
char what;
char *p, *prompt;
char *p, *what, *prompt;
int gotsect = 0;
int (*build_it)(struct sctstr *, int, short[], int);
int number;
@ -84,20 +83,22 @@ buil(void)
buf);
if (!p)
return RET_SYN;
what = *p;
switch (what) {
switch (*p) {
case 'b':
case 't':
return build_bridge(what);
return build_bridge(*p);
case 's':
what = "ship";
prompt = "Ship type? ";
build_it = build_ship;
break;
case 'p':
what = "plane";
prompt = "Plane type? ";
build_it = build_plane;
break;
case 'l':
what = "land";
prompt = "Land unit type? ";
build_it = build_land;
break;
@ -109,6 +110,7 @@ buil(void)
if (drnuke_const > MIN_DRNUKE_CONST)
tlev = MIN(tlev,
(int)(natp->nat_level[NAT_RLEV] / drnuke_const));
what = "nuke";
prompt = "Nuke type? ";
build_it = build_nuke;
break;
@ -124,72 +126,46 @@ buil(void)
if (!p || !*p)
return RET_SYN;
switch (what) {
rqtech = 0;
switch (*what) {
case 'p':
type = ef_elt_byname(EF_PLANE_CHR, p);
if (type >= 0) {
if (type >= 0)
rqtech = plchr[type].pl_tech;
if (rqtech > tlev)
type = -1;
}
if (type < 0) {
pr("You can't build that!\n");
pr("Use `show plane build %d' to show types you can build.\n",
tlev);
return RET_FAIL;
}
break;
case 's':
type = ef_elt_byname(EF_SHIP_CHR, p);
if (type >= 0) {
rqtech = mchr[type].m_tech;
if (rqtech > tlev)
type = -1;
if ((mchr[type].m_flags & M_TRADE) && !opt_TRADESHIPS)
type = -1;
}
if (type < 0) {
pr("You can't build that!\n");
pr("Use `show ship build %d' to show types you can build.\n",
tlev);
return RET_FAIL;
}
break;
case 'l':
type = ef_elt_byname(EF_LAND_CHR, p);
if (type >= 0) {
rqtech = lchr[type].l_tech;
if (rqtech > tlev)
type = -1;
if ((lchr[type].l_flags & L_SPY) && !opt_LANDSPIES)
type = -1;
}
if (type < 0) {
pr("You can't build that!\n");
pr("Use `show land build %d' to show types you can build.\n",
tlev);
return RET_FAIL;
}
break;
case 'n':
type = ef_elt_byname(EF_NUKE_CHR, p);
if (type >= 0) {
if (type >= 0)
rqtech = nchr[type].n_tech;
if (rqtech > tlev)
type = -1;
}
if (type < 0) {
pr("You can't build that!\n");
pr("Use `show nuke build %d' to show types you can build.\n",
tlev);
return RET_FAIL;
}
break;
default:
CANT_REACH();
return RET_FAIL;
}
if (type < 0 || tlev < rqtech) {
pr("You can't build that!\n");
pr("Use `show %s build %d' to show types you can build.\n",
what, tlev);
return RET_FAIL;
}
number = 1;
if (player->argp[4]) {
number = atoi(player->argp[4]);
@ -204,7 +180,7 @@ buil(void)
}
}
if (what != 'n') {
if (*what != 'n') {
if (player->argp[5]) {
tlev = atoi(player->argp[5]);
if (tlev > natp->nat_level[NAT_TLEV] && !player->god) {