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Begin abstracting out the magic properties of travel-array opcodes.
author
Eric S. Raymond
<esr@thyrsus.com>
Wed, 28 Jun 2017 01:46:07 +0000
(21:46 -0400)
committer
Eric S. Raymond
<esr@thyrsus.com>
Wed, 28 Jun 2017 01:46:07 +0000
(21:46 -0400)
main.c
patch
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diff --git
a/main.c
b/main.c
index 2248f3db51d41d7b90bfdf2df7f0aa883ab2bcd3..e8ee600aaef331ba59c2b826c094f8c886e54f1d 100644
(file)
--- a/
main.c
+++ b/
main.c
@@
-37,6
+37,7
@@
#define T_MOTION(entry) MOD(labs(entry), 1000)
#define L_SPEAK(loc) ((loc) - 500)
#define T_TERMINATE(entry) (T_MOTION(entry) == 1)
#define T_MOTION(entry) MOD(labs(entry), 1000)
#define L_SPEAK(loc) ((loc) - 500)
#define T_TERMINATE(entry) (T_MOTION(entry) == 1)
+#define T_STOP(entry) ((entry) < 0)
struct game_t game;
struct game_t game;
@@
-425,7
+426,7
@@
static bool dwarfmove(void)
}
++kk;
} while
}
++kk;
} while
-
(travel[kk - 1] >= 0
);
+
(!T_STOP(travel[kk - 1])
);
tk[j] = game.odloc[i];
if (j >= 2)
--j;
tk[j] = game.odloc[i];
if (j >= 2)
--j;
@@
-555,7
+556,7
@@
static bool playermove(token_t verb, int motion)
if (FORCED(scratchloc) && T_DESTINATION(travel[tkey[scratchloc]]) == motion)
k2 = kk;
}
if (FORCED(scratchloc) && T_DESTINATION(travel[tkey[scratchloc]]) == motion)
k2 = kk;
}
- if (
travel[kk] >= 0
) {
+ if (
!T_STOP(travel[kk])
) {
++kk; /* go to next travel entry for this location */
continue;
}
++kk; /* go to next travel entry for this location */
continue;
}
@@
-600,7
+601,7
@@
static bool playermove(token_t verb, int motion)
for (;;) {
if (T_TERMINATE(travel[kk]) || T_MOTION(travel[kk]) == motion)
break;
for (;;) {
if (T_TERMINATE(travel[kk]) || T_MOTION(travel[kk]) == motion)
break;
- if (
travel[kk] < 0
) {
+ if (
T_STOP(travel[kk])
) {
/* FIXME: Magic numbers! */
/* Couldn't find an entry matching the motion word passed
* in. Various messages depending on word given. */
/* FIXME: Magic numbers! */
/* Couldn't find an entry matching the motion word passed
* in. Various messages depending on word given. */
@@
-643,7
+644,7
@@
static bool playermove(token_t verb, int motion)
} else if (game.prop[motion] != game.newloc / 100 - 3)
break;
do {
} else if (game.prop[motion] != game.newloc / 100 - 3)
break;
do {
- if (
travel[kk] < 0
)
+ if (
T_STOP(travel[kk])
)
BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION);
++kk;
game.newloc = labs(travel[kk]) / 1000;
BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION);
++kk;
game.newloc = labs(travel[kk]) / 1000;
@@
-684,7
+685,7
@@
static bool playermove(token_t verb, int motion)
* pretend he wasn't carrying it after all. */
drop(EMERALD, game.loc);
do {
* pretend he wasn't carrying it after all. */
drop(EMERALD, game.loc);
do {
- if (
travel[kk] < 0
)
+ if (
T_STOP(travel[kk])
)
BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION);
++kk;
game.newloc = labs(travel[kk]) / 1000;
BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION);
++kk;
game.newloc = labs(travel[kk]) / 1000;