[net.games.rogue] Another funny in rogue 5.3.

stephen@dcl-cs.UUCP (Stephen J. Muir) (10/08/85)

While playing rogue last night, I stepped off a square on the screen to find
the '^' symbol.  Nothing had happened to me.  I used the '^' (identify trap)
command and nothing happened.  I tried the same command on an ordinary square
and it said "No trap there."!  I stepped on the trap repeatedy and nothing
happened.  The program obviously knew there was a trap there -- anybody know
what's going on?
-- 
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squires@csd2.UUCP (Charles S Squires Jr) (10/22/85)

> While playing rogue last night, I stepped off a square on the screen to find
> the '^' symbol.  Nothing had happened to me.  I used the '^' (identify trap)
> command and nothing happened.  I tried the same command on an ordinary square
> and it said "No trap there."!  I stepped on the trap repeatedy and nothing
> happened.  The program obviously knew there was a trap there -- anybody know
> what's going on?

The same thing just happened to me minutes ago!  I can't figure it out.  I'm
sure somebody out there knows what that's all about.  (Probably the same 
person who first figured out how to use the scroll of scare monster).

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dmm@primesun.uucp (10/31/85)

/***** primesun:net.games.rogue / csd2!squires / 12:36 am  Oct 22, 1985*/

> While playing rogue last night, I stepped off a square on the screen to find
> the '^' symbol.  Nothing had happened to me.  I used the '^' (identify trap)
> command and nothing happened.  I tried the same command on an ordinary square
> and it said "No trap there."!  I stepped on the trap repeatedy and nothing
> happened.  The program obviously knew there was a trap there -- anybody know
> what's going on?


I'm not sure if this answers the real problem or no, but there was a bug in
the show() routine of Rogue 3.6 (and probably many descendants) that would
cause the appearance of a phantom trap when an invisible monster happened to
move over an undiscovered trap. The trap would appear on the screen, but
you couldn't identify it because YOU didn't discover it (something else did).