Improve documentation if the *most* obscure span of code.

[open-adventure.git] / main.c

diff --git a/main.c b/main.c
index 3f4140971fcc09d5d4134f28c7d0682e592b71bf..75cdf371229852fda434b5ed43f0fee0e05ca20a 100644 (file)
--- a/main.c
+++ b/main.c
@@ -625,20 +625,24 @@ static bool playermove(token_t verb, int motion)
         for (;;) { /* L12 loop */
             for (;;) {
                 game.newloc = scratchloc / 1000;
-                motion = MOD(game.newloc, 100);
+                long arg = MOD(game.newloc, 100);
                 if (!SPECIAL(game.newloc)) {
+                   /* YAML N and [pct N] conditionals */
                     if (game.newloc <= 100) {
                         if (game.newloc == 0 || PCT(game.newloc))
                             break;
                         /* else fall through */
                     }
-                   /* handles the YAML "with" clause */
-                    if (TOTING(motion) || (game.newloc > 200 && AT(motion)))
+                   /* YAML [with OBJ] clause */
+                    if (TOTING(arg) || (game.newloc > 200 && AT(arg)))
                         break;
-                    /* else fall through */
-                } else if (game.prop[motion] != game.newloc / 100 - 3)
+                    /* else fall through to check [not OBJ STATE] */
+                } else if (game.prop[arg] != game.newloc / 100 - 3)
                     break;
-                do {
+
+               /* We arrive here on conditional failure.
+                * Skip to next non-matching destination */
+               do {
                     if (travel[kk].stop)
                         BUG(CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION); // LCOV_EXCL_LINE
                     ++kk;
@@ -717,7 +721,7 @@ static bool playermove(token_t verb, int motion)
                         game.prop[TROLL] = 2;
                         drop(BEAR, game.newloc);
                         game.fixed[BEAR] = -1;
-                        game.prop[BEAR] = 3;
+                        game.prop[BEAR] = BEAR_DEAD;
                         game.oldlc2 = game.newloc;
                         croak();
                         return true;
@@ -780,7 +784,8 @@ static bool closecheck(void)
         move(TROLL2, objects[TROLL].plac);
         move(TROLL2 + NOBJECTS, objects[TROLL].fixd);
         juggle(CHASM);
-        if (game.prop[BEAR] != 3)DESTROY(BEAR);
+        if (game.prop[BEAR] != BEAR_DEAD)
+           DESTROY(BEAR);
         game.prop[CHAIN] = 0;
         game.fixed[CHAIN] = 0;
         game.prop[AXE] = 0;