More magic-number elimination.

actions.c

@@ -888,11 +888,7 @@ static int pour(token_t verb, token_t obj)
         game.prop[PLANT2] = game.prop[PLANT];
         return GO_MOVE;
     } else {
-        game.prop[DOOR] = 0;
-        if (obj == OIL)
-            game.prop[DOOR] = 1;
-        spk = RUSTED_HINGES + game.prop[DOOR];
-        rspeak(spk);
+	state_change(DOOR, (obj == OIL) ? DOOR_UNRUSTED: DOOR_RUSTED);
         return GO_CLEAROBJ;
     }
 }
@@ -1086,7 +1082,7 @@ static int wave(token_t verb, token_t obj)
         rspeak(spk);
         return GO_CLEAROBJ;
     }
-    /* FIXME: Arithemetic on proprty values */
+    /* FIXME: Arithemetic on property values */
     if (HERE(BIRD))
         spk = FREE_FLY + MOD(game.prop[BIRD], 2);
     if (spk == FREE_FLY && game.loc == game.place[STEPS] && game.prop[JADE] < 0) {

adventure.yaml

@@ -2865,8 +2865,6 @@ arbitrary_messages:  !!omap
 - RIDICULOUS_ATTEMPT: 'Don''t be ridiculous!'
 - RUSTY_DOOR: 'The door is extremely rusty and refuses to open.'
 - SHAKING_LEAVES: 'The plant indignantly shakes the oil off its leaves and asks, "Water?"'
-- RUSTED_HINGES: 'The hinges are quite thoroughly rusted now and won''t budge.'
-- OILED_NINGES: 'The oil has freed up the hinges so that the door will now move,\nalthough it requires some effort.'
 - DEEP_ROOTS: 'The plant has exceptionally deep roots and cannot be pulled free.'
 - KNIVES_VANISH: 'The dwarves'' knives vanish as they strike the walls of the cave.'
 - MUST_DROP: 'Something you''re carrying won''t fit through the tunnel with you.\nYou''d best take inventory and drop something.'
@@ -3131,8 +3129,11 @@ objects: !!omap
     locations: LOC_IMMENSE
     immovable: true
     descriptions:
-    - 'The way north is barred by a massive, rusty, iron door.'
-    - 'The way north leads through a massive, rusty, iron door.'
+    - [DOOR_RUSTED, 'The way north is barred by a massive, rusty, iron door.']
+    - [DOOR_UNRUSTED, 'The way north leads through a massive, rusty, iron door.']
+    changes:
+    - 'The hinges are quite thoroughly rusted now and won''t budge.'
+    - 'The oil has freed up the hinges so that the door will now move,\nalthough it requires some effort.'
 - PILLOW:
     words: ['pillo', 'velve']
     inventory: 'Velvet pillow'

main.c

@@ -692,7 +692,7 @@ static bool playermove( int motion)
                      * stuff for bear. */
                     if (game.prop[TROLL] == TROLL_PAIDONCE) {
                         pspeak(TROLL, look, TROLL_PAIDONCE);
-                        game.prop[TROLL] = 0;
+                        game.prop[TROLL] = TROLL_UNPAID;
                         move(TROLL2, 0);
                         move(TROLL2 + NOBJECTS, 0);
                         move(TROLL, objects[TROLL].plac);