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make view.index (value of "/sim/current-view/view-number") and view.current

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(a props.Node hash of the current view, e.g. /sim/view[100]/) available
This commit is contained in:
mfranz 2008-04-12 20:25:21 +00:00
parent 0dd0323a58
commit 3e9a108288
1 changed files with 11 additions and 5 deletions
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16
Nasal/view.nas
View file

@ -3,6 +3,9 @@
##
## Nasal code for implementing view-specific functionality.
var index = nil; # current view index
var views = nil; # list of all view branches (/sim/view[n]) as props.Node
var current = nil; # current view branch (e.g. /sim/view[1]) as props.Node
# Dynamically calculate limits so that it takes STEPS iterations to
@ -54,7 +57,7 @@ var resetFOV = func {
}
var resetViewPos = func {
var v = views[getprop("/sim/current-view/view-number")].getNode("config");
var v = current.getNode("config");
setprop("/sim/current-view/x-offset-m", v.getNode("x-offset-m", 1).getValue() or 0);
setprop("/sim/current-view/y-offset-m", v.getNode("y-offset-m", 1).getValue() or 0);
setprop("/sim/current-view/z-offset-m", v.getNode("z-offset-m", 1).getValue() or 0);
@ -74,7 +77,7 @@ var resetViewDir = func {
#
var stepView = func(step, force = 0) {
step = step > 0 ? 1 : -1;
var n = getprop("/sim/current-view/view-number");
var n = index;
for (var i = 0; i < size(views); i += 1) {
n += step;
if (n < 0)
@ -199,7 +202,7 @@ var manager = {
},
set_view : func(which = nil) {
if (which == nil)
which = getprop("/sim/current-view/view-number");
which = index;
elsif (num(which) == nil)
which = view.indexof(which);
@ -300,7 +303,7 @@ var fly_by_view_handler = {
me.latN.setValue(lat);
me.lonN.setValue(lon);
me.altN.setValue(alt * geo.M2FT);
return 6.3;
return 9.3;
},
update : func {
return me.setpos();
@ -448,7 +451,6 @@ var point = {
var views = nil;
var fovProp = nil;
@ -456,6 +458,10 @@ _setlistener("/sim/signals/nasal-dir-initialized", func {
views = props.globals.getNode("/sim").getChildren("view");
fovProp = props.globals.getNode("/sim/current-view/field-of-view");
point.init();
setlistener("/sim/current-view/view-number", func(n) {
current = views[index = n.getValue()];
}, 1);
});