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Browsing parserm.h

CantSee (lines 2830-2858)

2830  !  The CantSee routine returns a good error number for the situation where
2831  !  the last word looked at didn't seem to refer to any object in context.
2832  !
2833  !  The idea is that: if the actor is in a location (but not inside something
2834  !  like, for instance, a tank which is in that location) then an attempt to
2835  !  refer to one of the words listed as meaningful-but-irrelevant there
2836  !  will cause "you don't need to refer to that in this game" rather than
2837  !  "no such thing" or "what's 'it'?".
2838  !  (The advantage of not having looked at "irrelevant" local nouns until now
2839  !  is that it stops them from clogging up the ambiguity-resolving process.
2840  !  Thus game objects always triumph over scenery.)
2841  ! ----------------------------------------------------------------------------
2842   
2843  [ CantSee  i w e;
2844      saved_oops=oops_from;
2845   
2846      if (scope_token~=0) { scope_error = scope_token; return ASKSCOPE_PE; }
2847   
2848      wn--; w=NextWord();
2849      e=CANTSEE_PE;
2850      if (w==pronoun_word)
2851      {   pronoun__word=pronoun_word; pronoun__obj=pronoun_obj;
2852          e=ITGONE_PE;
2853      }
2854      i=actor; while (parent(i) ~= 0) i = parent(i);
2855      if (i has visited && Refers(i,wn-1)==1) e=SCENERY_PE;
2856      if (etype>e) return etype;
2857      return e;
2858  ];


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