De-gotoified actions2.c functions.
[open-adventure.git] / actions2.c
index 1470762aaee88b1b60aad12731aa99ef84176bb0..5cfbe359e80f83a114f9b692060d301664b1f339 100644 (file)
@@ -1,5 +1,5 @@
 #include "advent.h"
-#include "funcs.h"
+#include "database.h"
 
 /*  Carry an object.  Special cases for bird and cage (if bird in cage, can't
  *  take one without the other).  Liquids also special, since they depend on
@@ -65,73 +65,69 @@ int carry(long obj)
  *  Drop coins at vending machine for extra batteries. */
 
 int discard(long obj, bool just_do_it) {
-       if (just_do_it) goto L9021;
-       if (TOTING(ROD2) && obj == ROD && !TOTING(ROD))obj=ROD2;
-       if (!TOTING(obj)) return(2011);
-       if (obj != BIRD || !HERE(SNAKE)) goto L9023;
-       RSPEAK(30);
-       if (game.closed) return(19000);
-       DSTROY(SNAKE);
-       /* Set game.prop for use by travel options */
-       game.prop[SNAKE]=1;
-L9021: K=LIQ(0);
-       if (K == obj)obj=BOTTLE;
-       if (obj == BOTTLE && K != 0)game.place[K]=0;
-       if (obj == CAGE && game.prop[BIRD] == 1)DROP(BIRD,game.loc);
-       DROP(obj,game.loc);
-       if (obj != BIRD) return(2012);
-       game.prop[BIRD]=0;
-       if (FOREST(game.loc))game.prop[BIRD]=2;
-        return(2012);
-
-L9023: if (!(GSTONE(obj) && AT(CAVITY) && game.prop[CAVITY] != 0)) goto L9024;
-       RSPEAK(218);
-       game.prop[obj]=1;
-       game.prop[CAVITY]=0;
-       if (!HERE(RUG) || !((obj == EMRALD && game.prop[RUG] != 2) || (obj == RUBY &&
-               game.prop[RUG] == 2))) goto L9021;
-       SPK=219;
-       if (TOTING(RUG))SPK=220;
-       if (obj == RUBY)SPK=221;
-       RSPEAK(SPK);
-       if (SPK == 220) goto L9021;
-       K=2-game.prop[RUG];
-       game.prop[RUG]=K;
-       if (K == 2)K=PLAC[SAPPH];
-       MOVE(RUG+NOBJECTS,K);
-        goto L9021;
-
-L9024: if (obj != COINS || !HERE(VEND)) goto L9025;
-       DSTROY(COINS);
-       DROP(BATTER,game.loc);
-       PSPEAK(BATTER,0);
-        return(2012);
-
-L9025: if (obj != BIRD || !AT(DRAGON) || game.prop[DRAGON] != 0) goto L9026;
-       RSPEAK(154);
-       DSTROY(BIRD);
-       game.prop[BIRD]=0;
-        return(2012);
-
-L9026: if (obj != BEAR || !AT(TROLL)) goto L9027;
-       RSPEAK(163);
-       MOVE(TROLL,0);
-       MOVE(TROLL+NOBJECTS,0);
-       MOVE(TROLL2,PLAC[TROLL]);
-       MOVE(TROLL2+NOBJECTS,FIXD[TROLL]);
-       JUGGLE(CHASM);
-       game.prop[TROLL]=2;
-        goto L9021;
-
-L9027: if (obj == VASE && game.loc != PLAC[PILLOW]) goto L9028;
-       RSPEAK(54);
-        goto L9021;
+    if (!just_do_it) {
+        if (TOTING(ROD2) && obj == ROD && !TOTING(ROD))obj=ROD2;
+        if (!TOTING(obj)) return(2011);
+        if (obj == BIRD && HERE(SNAKE)) {
+            RSPEAK(30);
+            if (game.closed) return(19000);
+            DSTROY(SNAKE);
+            /* Set game.prop for use by travel options */
+            game.prop[SNAKE]=1;
 
-L9028: game.prop[VASE]=2;
-       if (AT(PILLOW))game.prop[VASE]=0;
-       PSPEAK(VASE,game.prop[VASE]+1);
-       if (game.prop[VASE] != 0)game.fixed[VASE]= -1;
-        goto L9021;
+        } else if ((GSTONE(obj) && AT(CAVITY) && game.prop[CAVITY] != 0)) {
+            RSPEAK(218);
+            game.prop[obj]=1;
+            game.prop[CAVITY]=0;
+            if (HERE(RUG) && ((obj == EMRALD && game.prop[RUG] != 2) || (obj == RUBY &&
+                    game.prop[RUG] == 2))) {
+                SPK=219;
+                if (TOTING(RUG))SPK=220;
+                if (obj == RUBY)SPK=221;
+                RSPEAK(SPK);
+                if (SPK != 220) {
+                    K=2-game.prop[RUG];
+                    game.prop[RUG]=K;
+                    if (K == 2)K=PLAC[SAPPH];
+                    MOVE(RUG+NOBJECTS,K);
+                }
+            }
+        } else if (obj == COINS && HERE(VEND)) {
+            DSTROY(COINS);
+            DROP(BATTER,game.loc);
+            PSPEAK(BATTER,0);
+            return(2012);
+        } else if (obj == BIRD && AT(DRAGON) && game.prop[DRAGON] == 0) {
+            RSPEAK(154);
+            DSTROY(BIRD);
+            game.prop[BIRD]=0;
+            return(2012);
+        } else if (obj == BEAR && AT(TROLL)) {
+            RSPEAK(163);
+            MOVE(TROLL,0);
+            MOVE(TROLL+NOBJECTS,0);
+            MOVE(TROLL2,PLAC[TROLL]);
+            MOVE(TROLL2+NOBJECTS,FIXD[TROLL]);
+            JUGGLE(CHASM);
+            game.prop[TROLL]=2;
+        } else if (obj != VASE || game.loc == PLAC[PILLOW]) {
+            RSPEAK(54);
+        } else {
+            game.prop[VASE]=2;
+            if (AT(PILLOW))game.prop[VASE]=0;
+            PSPEAK(VASE,game.prop[VASE]+1);
+            if (game.prop[VASE] != 0)game.fixed[VASE]= -1;
+        }
+    }
+    K=LIQ(0);
+    if (K == obj)obj=BOTTLE;
+    if (obj == BOTTLE && K != 0)game.place[K]=0;
+    if (obj == CAGE && game.prop[BIRD] == 1)DROP(BIRD,game.loc);
+    DROP(obj,game.loc);
+    if (obj != BIRD) return(2012);
+    game.prop[BIRD]=0;
+    if (FOREST(game.loc))game.prop[BIRD]=2;
+    return(2012);
 }
 
 /*  Attack.  Assume target if unambiguous.  "Throw" also links here.  Attackable
@@ -140,30 +136,32 @@ L9028:    game.prop[VASE]=2;
 
 int attack(FILE *input, long obj, long verb) {
        I=ATDWRF(game.loc);
-       if (obj != 0) goto L9124;
-       if (I > 0)obj=DWARF;
-       if (HERE(SNAKE))obj=obj*NOBJECTS+SNAKE;
-       if (AT(DRAGON) && game.prop[DRAGON] == 0)obj=obj*NOBJECTS+DRAGON;
-       if (AT(TROLL))obj=obj*NOBJECTS+TROLL;
-       if (AT(OGRE))obj=obj*NOBJECTS+OGRE;
-       if (HERE(BEAR) && game.prop[BEAR] == 0)obj=obj*NOBJECTS+BEAR;
-       if (obj > NOBJECTS) return(8000);
-       if (obj != 0) goto L9124;
-       /* Can't attack bird or machine by throwing axe. */
-       if (HERE(BIRD) && verb != THROW)obj=BIRD;
-       if (HERE(VEND) && verb != THROW)obj=obj*NOBJECTS+VEND;
-       /* Clam and oyster both treated as clam for intransitive case;
-        * no harm done. */
-       if (HERE(CLAM) || HERE(OYSTER))obj=NOBJECTS*obj+CLAM;
-       if (obj > NOBJECTS) return(8000);
-L9124: if (obj == BIRD) {
+       if (obj == 0) {
+           if (I > 0)obj=DWARF;
+           if (HERE(SNAKE))obj=obj*NOBJECTS+SNAKE;
+           if (AT(DRAGON) && game.prop[DRAGON] == 0)obj=obj*NOBJECTS+DRAGON;
+           if (AT(TROLL))obj=obj*NOBJECTS+TROLL;
+           if (AT(OGRE))obj=obj*NOBJECTS+OGRE;
+           if (HERE(BEAR) && game.prop[BEAR] == 0)obj=obj*NOBJECTS+BEAR;
+           if (obj > NOBJECTS) return(8000);
+           if (obj == 0) {
+               /* Can't attack bird or machine by throwing axe. */
+               if (HERE(BIRD) && verb != THROW)obj=BIRD;
+               if (HERE(VEND) && verb != THROW)obj=obj*NOBJECTS+VEND;
+               /* Clam and oyster both treated as clam for intransitive case;
+                * no harm done. */
+               if (HERE(CLAM) || HERE(OYSTER))obj=NOBJECTS*obj+CLAM;
+               if (obj > NOBJECTS) return(8000);
+           }
+       }
+       if (obj == BIRD) {
                SPK=137;
                if (game.closed) return(2011);
                DSTROY(BIRD);
                game.prop[BIRD]=0;
                SPK=45;
        }
-L9125: if (obj == VEND) {
+       if (obj == VEND) {
            PSPEAK(VEND,game.prop[VEND]+2);
            game.prop[VEND]=3-game.prop[VEND];
            return(2012);
@@ -219,6 +217,14 @@ L9128:     RSPEAK(SPK);
        return(2011);
 }
 
+int throw_support(long spk)
+{
+    RSPEAK(spk);
+    DROP(AXE,game.loc);
+    K=NUL;
+    return(8);
+}
+
 int throw(FILE *cmdin, long obj, long verb)
 /*  Throw.  Same as discard unless axe.  Then same as attack except
  *  ignore bird, and if dwarf is present then one might be killed.
@@ -228,66 +234,61 @@ int throw(FILE *cmdin, long obj, long verb)
     if (TOTING(ROD2) && obj == ROD && !TOTING(ROD))obj=ROD2;
     if (!TOTING(obj))
        return(2011);
-    if (obj >= 50 && obj <= MAXTRS && AT(TROLL))
-       goto L9178;
-    if (obj == FOOD && HERE(BEAR))
-       goto L9177;
+    if (obj >= 50 && obj <= MAXTRS && AT(TROLL)) {
+        SPK=159;
+        /*  Snarf a treasure for the troll. */
+        DROP(obj,0);
+        MOVE(TROLL,0);
+        MOVE(TROLL+NOBJECTS,0);
+        DROP(TROLL2,PLAC[TROLL]);
+        DROP(TROLL2+NOBJECTS,FIXD[TROLL]);
+        JUGGLE(CHASM);
+        return(2011);
+    }
+    if (obj == FOOD && HERE(BEAR)) {
+    /* But throwing food is another story. */
+        obj=BEAR;
+        return(feed(obj));
+    }
     if (obj != AXE)
        return(discard(obj, false));
     I=ATDWRF(game.loc);
-    if (I > 0)
-       goto L9172;
-    SPK=152;
-    if (AT(DRAGON) && game.prop[DRAGON] == 0)
-       goto L9175;
-    SPK=158;
-    if (AT(TROLL))
-       goto L9175;
-    SPK=203;
-    if (AT(OGRE))
-       goto L9175;
-    if (HERE(BEAR) && game.prop[BEAR] == 0)
-       goto L9176;
-    return(attack(cmdin, 0, verb));
+    if (I <= 0) {
+        if (AT(DRAGON) && game.prop[DRAGON] == 0) {
+            SPK=152;
+            return throw_support(SPK);
+        }
+        if (AT(TROLL)) {
+            SPK=158;
+            return throw_support(SPK);
+        }
+        if (AT(OGRE)) {
+            SPK=203;
+            return throw_support(SPK);
+        }
+        if (HERE(BEAR) && game.prop[BEAR] == 0) {
+            /* This'll teach him to throw the axe at the bear! */
+            SPK=164;
+            DROP(AXE,game.loc);
+            game.fixed[AXE]= -1;
+            game.prop[AXE]=1;
+            JUGGLE(BEAR);
+            return(2011);
+        }
+        return(attack(cmdin, 0, verb));
+    }
 
-L9172:
-    SPK=48;
-    if (randrange(NDWARVES+1) < game.dflag) goto L9175;
+    if (randrange(NDWARVES+1) < game.dflag) {
+        SPK=48;
+        return throw_support(SPK);
+    }
     game.dseen[I]=false;
     game.dloc[I]=0;
     SPK=47;
     game.dkill=game.dkill+1;
     if (game.dkill == 1)SPK=149;
-L9175:
-    RSPEAK(SPK);
-    DROP(AXE,game.loc);
-    K=NUL;
-    return(8);
-
-    /* This'll teach him to throw the axe at the bear! */
-L9176:
-    SPK=164;
-    DROP(AXE,game.loc);
-    game.fixed[AXE]= -1;
-    game.prop[AXE]=1;
-    JUGGLE(BEAR);
-    return(2011);
 
-    /* But throwing food is another story. */
-L9177:
-    obj=BEAR;
-    return(feed(obj));
-
-L9178:
-    SPK=159;
-    /*  Snarf a treasure for the troll. */
-    DROP(obj,0);
-    MOVE(TROLL,0);
-    MOVE(TROLL+NOBJECTS,0);
-    DROP(TROLL2,PLAC[TROLL]);
-    DROP(TROLL2+NOBJECTS,FIXD[TROLL]);
-    JUGGLE(CHASM);
-    return(2011);
+    return throw_support(SPK);
 }
 
 int feed(long obj)