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partial fix for S_unexplored

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I've been sitting on this for a while but have decided that I'm not
likely to make any further progress.

SYMBOLS=S_stone:8,S_unexplored:9
on tty reveals that S_stone works as intended but S_unexplored does
not.  Unexplored was being drawn as spaces, and detected or sensed
monsters moving around unexplored areas left a trail of S_unexplored
characters behind them.  ^R reverted those to spaces.

This is only a partial fix that works when the map is initially drawn
or fully redrawn.  But after tty erases parts of lines (when deleting
a menu that overlaid the map or when clearing a message line that
wrapped onto the top line of the map), unexplored locations show up
as space rather than as S_unexplored.
This commit is contained in:
PatR
2020-04-01 15:49:28 -07:00
parent 689c3e67fe
commit 49f4a1d8d2
1 changed files with 9 additions and 4 deletions
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13
src/display.c
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@@ -1,4 +1,4 @@
/* NetHack 3.6 display.c $NHDT-Date: 1583195581 2020/03/03 00:33:01 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.127 $ */
/* NetHack 3.6 display.c $NHDT-Date: 1585781359 2020/04/01 22:49:19 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.128 $ */
/* Copyright (c) Dean Luick, with acknowledgements to Kevin Darcy */
/* and Dave Cohrs, 1990. */
/* NetHack may be freely redistributed. See license for details. */
@@ -1501,7 +1501,7 @@ void
newsym_force(x, y)
register int x, y;
{
newsym(x,y);
newsym(x, y);
g.gbuf[y][x].gnew = 1;
if (g.gbuf_start[y] > x)
g.gbuf_start[y] = x;
@@ -1642,8 +1642,8 @@ int start, stop, y;
void
cls()
{
int y;
static boolean in_cls = 0;
int y, x, force_unexplored;
if (in_cls)
return;
@@ -1653,9 +1653,14 @@ cls()
clear_nhwindow(WIN_MAP); /* clear physical screen */
clear_glyph_buffer(); /* this is sort of an extra effort, but OK */
force_unexplored = (g.showsyms[SYM_UNEXPLORED + SYM_OFF_X] != ' ');
for (y = 0; y < ROWNO; y++) {
g.gbuf_start[y] = 0;
g.gbuf_start[y] = 1;
g.gbuf_stop[y] = COLNO - 1;
if (force_unexplored) {
for (x = 1; x < COLNO; x++)
g.gbuf[y][x].gnew = 1;
}
}
in_cls = FALSE;
}