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fix #M107 - blindness and secret doors

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From a bug report:  zapping force
bolt broke an adjacent potion of blindness (possibly carried by the monster
he was attacking) which caused "it suddently gets dark" but further course
of the bolt resulted in now blinded hero recieving "a door appears in the
wall".  make_blinded() was deferring vision recalculation until next pass
through moveloop() (or until next pline()--if the "gets dark" message had
been delivered after the call to make_blinded() instead of before, this
wouldn't have been noticeable).  Fix is trivial:  just recalculate vision
immediately when temporary blindness is toggled.  [It might also be needed
for involuntary blindfold removal, although I suspect that that is always
accompanied by corresponding pline() which gets vision back into synch.]
This commit is contained in:
nethack.rankin
2005-06-16 03:37:25 +00:00
parent c967266d6f
commit a092740e67
3 changed files with 11 additions and 1 deletions
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1
doc/fixes34.4
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@@ -126,6 +126,7 @@ chatting with quest leader who was brought back from the dead gave warnings
becoming green slime or mimicking gold violates "never changed form" conduct
when a monster grew into a higher form which had previously been genocided,
the message explaining its fate was only given if it was sensed via ESP
hero could still see for brief period after being blinded by potion vapors
Platform- and/or Interface-Specific Fixes

7
src/potion.c
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@@ -243,6 +243,13 @@ boolean talk;
if (u_could_see ^ can_see_now) { /* one or the other but not both */
context.botl = 1;
vision_full_recalc = 1; /* blindness just got toggled */
/* this vision recalculation used to be deferred until
moveloop(), but that made it possible for vision
irregularities to occur (cited case was force bolt
hitting adjacent potion of blindness and then a
secret door; hero was blinded by vapors but then
got the message "a door appears in the wall") */
vision_recalc(0);
if (Blind_telepat || Infravision) see_monsters();
}
}

4
src/vision.c
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@@ -1,4 +1,4 @@
/* SCCS Id: @(#)vision.c 3.5 1999/02/18 */
/* SCCS Id: @(#)vision.c 3.5 2005/06/15 */
/* Copyright (c) Dean Luick, with acknowledgements to Dave Cohrs, 1990. */
/* NetHack may be freely redistributed. See license for details. */
@@ -468,6 +468,8 @@ new_angle(lev, sv, row, col)
* + Right before something is printed. [pline()]
* + Right before we do a vision based operation. [do_clear_area()]
* + screen redraw, so we can renew all positions in sight. [docrt()]
* + When toggling temporary blindness, in case additional events
* impacted by vision occur during the same move [make_blinded()]
*
* Control flag = 1. An adjacent vision recalculation. The hero has moved
* one square. Knowing this, it might be possible to optimize the vision