!--------------------------------------------------------------------------
! QUESTION: How can I put a compass rose on the statusline, showing the
! available exits?
!
! This solution was proposed by Joachim Baumann (21 November 1994). It
! suffers from a few problems: first, long location names overwrite the
! compass rose; second, it's a bit of a space hog on machines with small
! screens; third, it seems to run quite slowly (certainly, the update is
! noticeable). The first problem is easy to sort out; the second can be
! solved by providing an option to turn it on and off; the speed can
! probably be improved by writing the compass rose information to three
! strings and changing it only when the location changes.
!--------------------------------------------------------------------------
Switches v5;
Constant Story "COMPASS ROSE";
Constant Headline "^An interactive demonstration^by Joachim Baumann^";
Replace DrawStatusLine;
Include "parser";
Include "verblib";
Include "grammar";
! The following constants describe the positions of the different parts of
! the windrose.
Constant U_POS 28;
Constant W_POS 30;
Constant C_POS 31;
Constant E_POS 32;
Constant IN_POS 34;
[ DrawStatusLine i;
! Switch to status window and reverse it.
@split_window 3; @set_window 1; style reverse; font off;
@set_cursor 1 1; spaces (0->33)-1;
@set_cursor 2 1; spaces (0->33)-1;
@set_cursor 3 1; spaces (0->33)-1;
! Now the original DrawStatusLine routine.
@set_cursor 1 2; print (name) location;
if ((0->1)&2 == 0) {
@set_cursor 1 51; print "Score: ", sline1;
@set_cursor 1 64; print "Moves: ", sline2;
}
else {
@set_cursor 1 51; print "Time: ";
i = sline1 % 12; if (i < 10) print " ";
if (i == 0) i = 12;
print i, ":";
if (sline2 < 10) print "0";
print sline2;
if ((sline1/12) > 0) print " pm"; else print " am";
}
! And now print the directions of the location (if not dark). This is
! the interesting part (for me at least).
if (location ~= thedark) {
! First line
if (location.u_to ~= 0) { @set_cursor 1 U_POS; print "U"; }
if (location.nw_to ~= 0) { @set_cursor 1 W_POS; print "@@92"; }
if (location.n_to ~= 0) { @set_cursor 1 C_POS; print "|"; }
if (location.ne_to ~= 0) { @set_cursor 1 E_POS; print "/"; }
if (location.in_to ~= 0) { @set_cursor 1 IN_POS; print "I"; }
! Second line
if (location.w_to ~= 0) { @set_cursor 2 W_POS; print "-"; }
@set_cursor 2 C_POS; print "o";
if (location.e_to ~= 0) { @set_cursor 2 E_POS; print "-"; }
! Third line
if (location.d_to ~= 0) { @set_cursor 3 U_POS; print "D"; }
if (location.sw_to ~= 0) { @set_cursor 3 W_POS; print "/"; }
if (location.s_to ~= 0) { @set_cursor 3 C_POS; print "|"; }
if (location.se_to ~= 0) { @set_cursor 3 E_POS; print "@@92"; }
if (location.out_to ~= 0){ @set_cursor 3 IN_POS; print "O"; }
}
! switch to main window
@set_cursor 1 1; style roman; @set_window 0; font on;
];
Object Room "Room"
has light
with description "This is a bare room, with exits in many \
directions. To open or close an exit, type for example \
~sesame north~.",
n_to Room, ne_to Room, e_to Room, se_to Room, s_to Room,
sw_to Room, w_to Room, nw_to Room, u_to Room, d_to Room,
in_to Room, out_to Room,
before [ i;
Sesame:
if (noun notin Compass) rfalse;
i = noun.door_dir;
if (self.i == 0) self.i = self;
else self.i = 0;
"Your surroundings have subtly changed.";
];
[ Initialise;
location = Room;
"^^^^Welcome to the demonstration...^";
];
