Another use of state_change() and changes messages.

actions.c

@@ -943,15 +943,15 @@ static int pour(token_t verb, token_t obj)
         return GO_CLEAROBJ;
     }
     if (!AT(DOOR)) {
-        if (obj != WATER) {
+        if (obj == WATER) {
+	    /* cycle through the three plant states */
+	    state_change(PLANT, MOD(game.prop[PLANT] + 1, 3));
+	    game.prop[PLANT2] = game.prop[PLANT];
+	    return GO_MOVE;
+        } else {
             rspeak(SHAKING_LEAVES);
             return GO_CLEAROBJ;
 	}
-        /* FIXME: Arithmetic on state numbers */
-        pspeak(PLANT, look, game.prop[PLANT] + 3, true);
-        game.prop[PLANT] = MOD(game.prop[PLANT] + 1, 3);
-        game.prop[PLANT2] = game.prop[PLANT];
-        return GO_MOVE;
     } else {
         state_change(DOOR, (obj == OIL) ?
                      DOOR_UNRUSTED :

adventure.yaml

@@ -3311,6 +3311,7 @@ objects: !!omap
     - '' # chased away
     sounds:
     - 'The snake is hissing venomously.'
+    - ''
 - FISSURE:
     words: ['fissu']
     inventory: '*fissure'
@@ -3412,9 +3413,10 @@ objects: !!omap
     - 'There is a tiny little plant in the pit, murmuring "water, water, ..."'
     - 'There is a 12-foot-tall beanstalk stretching up out of the pit,\nbellowing "WATER!! WATER!!"'
     - 'There is a gigantic beanstalk stretching all the way up to the hole.'
+    changes:
+    - 'You''ve over-watered the plant!  It''s shriveling up!  And now . . .'
     - 'The plant spurts into furious growth for a few seconds.'
     - 'The plant grows explosively, almost filling the bottom of the pit.'
-    - 'You''ve over-watered the plant!  It''s shriveling up!  And now . . .'
     sounds:
     - 'The plant continues to ask plaintively for water.'
     - 'The plant continues to demand water.'