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Magic-number elimination in the olover/alcove pasage code.

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Wuth this change, the location table becomes order-independent (I think).
This commit is contained in:
Eric S. Raymond 2017-07-04 22:56:02 -04:00
parent f3dae6ff83
commit c48c330883
1 changed files with 10 additions and 9 deletions
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19
main.c
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@ -671,12 +671,13 @@ static void playermove( int motion)
game.newloc -= SPECIALBASE;
switch (game.newloc) {
case 1:
/* Travel 301. Plover-alcove passage. Can carry only
/* Special travel 1. Plover-alcove passage. Can carry only
* emerald. Note: travel table must include "useless"
* entries going through passage, which can never be used
* for actual motion, but can be spotted by "go back". */
/* FIXME: Arithmetic on location numbers */
game.newloc = 99 + 100 - game.loc;
game.newloc = (game.loc == LOC_PLOVER)
? LOC_ALCOVE
: LOC_PLOVER;
if (game.holdng > 1 ||
(game.holdng == 1 && !TOTING(EMERALD))) {
game.newloc = game.loc;
@ -684,7 +685,7 @@ static void playermove( int motion)
}
return;
case 2:
/* Travel 302. Plover transport. Drop the
/* Special travel 2. Plover transport. Drop the
* emerald (only use special travel if toting
* it), so he's forced to use the plover-passage
* to get it out. Having dropped it, go back and
@ -700,11 +701,11 @@ static void playermove( int motion)
travel_entry = te_tmp;
continue; /* goto L12 */
case 3:
/* Travel 303. Troll bridge. Must be done only
* as special motion so that dwarves won't wander
* across and encounter the bear. (They won't
* follow the player there because that region is
* forbidden to the pirate.) If
/* Special travel 3. Troll bridge. Must be done
* only as special motion so that dwarves won't
* wander across and encounter the bear. (They
* won't follow the player there because that
* region is forbidden to the pirate.) If
* game.prop(TROLL)=1, he's crossed since paying,
* so step out and block him. (standard travel
* entries check for game.prop(TROLL)=0.) Special