Continuing gotoicide.
authorEric S. Raymond <esr@thyrsus.com>
Fri, 9 Jun 2017 18:18:09 +0000 (14:18 -0400)
committerEric S. Raymond <esr@thyrsus.com>
Fri, 9 Jun 2017 18:18:09 +0000 (14:18 -0400)
main.c

diff --git a/main.c b/main.c
index 1d6ff7f90cf1f4b11949dc0cc11655606f4ec9aa..1d831e0ecf18e5adda55490f74eb616892d78a48 100644 (file)
--- a/main.c
+++ b/main.c
@@ -496,7 +496,31 @@ static bool playermove(FILE *cmdin, token_t verb)
        K2=0;
        if(K == game.loc)K2=91;
        if(CNDBIT(game.loc,4))K2=274;
-       if(K2 == 0) goto L21;
+       if(K2 == 0) {
+       L21:
+           LL=MOD((labs(TRAVEL[KK])/1000),1000);
+           if(LL != K) {
+               if(LL <= 300) {
+                   if(FORCED(LL) && MOD((labs(TRAVEL[KEY[LL]])/1000),1000) == K)
+                       K2=KK;
+               }
+               if(TRAVEL[KK] < 0)
+                   goto L23;
+               KK=KK+1;
+               goto L21;
+
+           L23:
+               KK=K2;
+               if(KK == 0) {
+                   RSPEAK(140);
+                   return true;
+               }
+           }
+
+           K=MOD(labs(TRAVEL[KK]),1000);
+           KK=KEY[game.loc];
+           goto L9;
+       }
        RSPEAK(K2);
        return true;
     }
@@ -519,47 +543,55 @@ static bool playermove(FILE *cmdin, token_t verb)
     game.oldloc=game.loc;
 
 L9:
-    LL=labs(TRAVEL[KK]);
-    if(MOD(LL,1000) == 1 || MOD(LL,1000) == K)
-       goto L10;
-    if(TRAVEL[KK] < 0) {
-       /*  Non-applicable motion.  Various messages depending on
-        *  word given. */
-       SPK=12;
-       if(K >= 43 && K <= 50)SPK=52;
-       if(K == 29 || K == 30)SPK=52;
-       if(K == 7 || K == 36 || K == 37)SPK=10;
-       if(K == 11 || K == 19)SPK=11;
-       if(verb == FIND || verb == INVENT)SPK=59;
-       if(K == 62 || K == 65)SPK=42;
-       if(K == 17)SPK=80;
-       RSPEAK(SPK);
-       return true;
+    for (;;) {
+       LL=labs(TRAVEL[KK]);
+       if(MOD(LL,1000) == 1 || MOD(LL,1000) == K)
+           break;
+       if(TRAVEL[KK] < 0) {
+           /*  Non-applicable motion.  Various messages depending on
+            *  word given. */
+           SPK=12;
+           if(K >= 43 && K <= 50)SPK=52;
+           if(K == 29 || K == 30)SPK=52;
+           if(K == 7 || K == 36 || K == 37)SPK=10;
+           if(K == 11 || K == 19)SPK=11;
+           if(verb == FIND || verb == INVENT)SPK=59;
+           if(K == 62 || K == 65)SPK=42;
+           if(K == 17)SPK=80;
+           RSPEAK(SPK);
+           return true;
+       }
+       KK=KK+1;
     }
-    KK=KK+1;
-    goto L9;
-
-L10:   LL=LL/1000;
-L11:   game.newloc=LL/1000;
-    K=MOD(game.newloc,100);    /* ESR: an instance of NOBJECTS? */
-    if(game.newloc <= 300)
-       goto L13;
-    if(game.prop[K] != game.newloc/100-3)
+    LL=LL/1000;
+
+L11:
+    game.newloc=LL/1000;
+    K=MOD(game.newloc,100);
+    if(game.newloc <= 300) {
+       if(game.newloc <= 100)
+           goto L14;
+       if(TOTING(K) || (game.newloc > 200 && AT(K)))
+           goto L16;
+       goto L12;
+    }
+    if (game.prop[K] != game.newloc/100-3)
        goto L16;
-L12:   if(TRAVEL[KK] < 0)BUG(25);
-    KK=KK+1;
-    game.newloc=labs(TRAVEL[KK])/1000;
-    if(game.newloc == LL) goto L12;
+L12:
+    do {
+       if(TRAVEL[KK] < 0)BUG(25);
+       KK=KK+1;
+       game.newloc=labs(TRAVEL[KK])/1000;
+    } while
+        (game.newloc == LL);
     LL=game.newloc;
     goto L11;
 
-L13:   if(game.newloc <= 100)
-       goto L14;
-    if(TOTING(K) || (game.newloc > 200 && AT(K))) goto L16;
-    goto L12;
-
-L14:   if(game.newloc != 0 && !PCT(game.newloc)) goto L12;
-L16:   game.newloc=MOD(LL,1000);
+L14:
+    if(game.newloc != 0 && !PCT(game.newloc))
+       goto L12;
+L16:
+    game.newloc=MOD(LL,1000);
     if(game.newloc <= 300) return true;
     if(game.newloc <= 500) {
        game.newloc=game.newloc-300;
@@ -570,8 +602,9 @@ L16:        game.newloc=MOD(LL,1000);
             *  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". */
-           game.newloc=99+100-game.loc;        /* ESR: an instance of NOBJECTS? */
-           if(game.holdng == 0 || (game.holdng == 1 && TOTING(EMRALD))) return true;
+           game.newloc=99+100-game.loc;
+           if(game.holdng == 0 || (game.holdng == 1 && TOTING(EMRALD)))
+               return true;
            game.newloc=game.loc;
            RSPEAK(117);
            return true;
@@ -620,28 +653,6 @@ L16:       game.newloc=MOD(LL,1000);
     RSPEAK(game.newloc-500);
     game.newloc=game.loc;
     return true;
-
-L21:   LL=MOD((labs(TRAVEL[KK])/1000),1000);
-    if(LL != K) {
-       if(LL <= 300) {
-           if(FORCED(LL) && MOD((labs(TRAVEL[KEY[LL]])/1000),1000) == K)
-               K2=KK;
-       }
-       if(TRAVEL[KK] < 0)
-           goto L23;
-       KK=KK+1;
-       goto L21;
-
-    L23:               KK=K2;
-       if(KK == 0) {
-           RSPEAK(140);
-           return true;
-       }
-    }
-
-    K=MOD(labs(TRAVEL[KK]),1000);
-    KK=KEY[game.loc];
-    goto L9;
 }
 
 static bool do_command(FILE *cmdin) {