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tty: S_unexplored

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Screen erasure leaves the map set to spaces.  If S_unexplored is
something other than <space>, tty wasn't drawing with S_unexplored
after a menu or long message line got erased following temporary
overwrite of part of the map.

This seems to work but is not the correct way to do things.
clear_screen(), cl_eos(), and cl_end() should all be taught to
flag the map as needing to be refreshed after they erase part of it.
tty_clear_nhwindow(WIN_BASE) is also lacking since it erases the
message line, full map, and status lines but leaves their internal
windows with stale data about what is shown instead of marking them
blank.
This commit is contained in:
PatR
2020-04-17 01:06:37 -07:00
parent 7c44e06ab1
commit 263ee3015f
4 changed files with 29 additions and 18 deletions
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15
win/tty/wintty.c
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@@ -1,4 +1,4 @@
/* NetHack 3.6 wintty.c $NHDT-Date: 1580252140 2020/01/28 22:55:40 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.248 $ */
/* NetHack 3.6 wintty.c $NHDT-Date: 1587110794 2020/04/17 08:06:34 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.256 $ */
/* Copyright (c) David Cohrs, 1991 */
/* NetHack may be freely redistributed. See license for details. */
@@ -1652,13 +1652,16 @@ winid window;
g.context.botlx = 1;
break;
case NHW_MAP:
/* cheap -- clear the whole thing and tell nethack to redraw botl */
g.context.botlx = 1;
/*FALLTHRU*/
/* the full map isn't erased often so the benefit of clearing the
whole screen and then redrawing status would be minimal here */
docorner(1, ROWNO - 1); /* sets map cells to S_unexplored
* which might not be <space> */
break;
case NHW_BASE:
clear_screen();
/*for (i = 0; i < cw->maxrow; ++i) */
/* finalx[i][NOW] = finalx[i][BEFORE] = 0;*/
if (!g.program_state.gameover)
g.context.botlx = 1;
/* [this sould also reset state for MESSAGE, MAP, and STATUS] */
break;
case NHW_MENU:
case NHW_TEXT: