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add setViewByIndex to view.nas

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This commit is contained in:
Henning Stahlke 2019-07-21 12:56:01 +02:00
parent 3738d84d7b
commit aaa7888f6b
1 changed files with 14 additions and 1 deletions
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15
Nasal/view.nas
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@ -3,6 +3,10 @@
## ##
## Nasal code for implementing view-specific functionality. ## Nasal code for implementing view-specific functionality.
# ATTENTION:
# /sim/current-view/view-number is in the range 0..viewCount, it is NOT
# the index used in aircraft XML files (e.g. <view n="100">)
# For debugging. Returns string containing description of <x>. # For debugging. Returns string containing description of <x>.
# #
var str = func(x, prefix='') { var str = func(x, prefix='') {
@ -25,10 +29,17 @@ var str = func(x, prefix='') {
} }
var index = nil; # current view index var index = nil; # current view index
var indices = {}; # view_index -> number
var views = nil; # list of all view branches (/sim/view[n]) as props.Node 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 var current = nil; # current view branch (e.g. /sim/view[1]) as props.Node
var fovProp = nil; var fovProp = nil;
# activate view by index number used in XML definition (e.g. >100)
var setViewByIndex = func(i) {
if (indices[i] != nil)
setprop("/sim/current-view/view-number", indices[i]);
}
var hasmember = func(class, member) { var hasmember = func(class, member) {
if (contains(class, member)) if (contains(class, member))
return 1; return 1;
@ -261,6 +272,7 @@ var manager = {
set_default(helicopter_view, "config/target-z-offset-m", viewnode); set_default(helicopter_view, "config/target-z-offset-m", viewnode);
} }
} }
# see comment at begin of file
setlistener("/sim/current-view/view-number", func(n) { setlistener("/sim/current-view/view-number", func(n) {
manager.set_view(n.getValue()); manager.set_view(n.getValue());
}, 1); }, 1);
@ -835,7 +847,7 @@ _setlistener("/sim/startup/ysize", func {
var fdm_init_listener = _setlistener("/sim/signals/fdm-initialized", func { var fdm_init_listener = _setlistener("/sim/signals/fdm-initialized", func {
removelistener(fdm_init_listener); # uninstall, so we're only called once removelistener(fdm_init_listener); # uninstall, so we are only called once
var zoffset = nil; var zoffset = nil;
foreach (var v; views) { foreach (var v; views) {
var index = v.getIndex(); var index = v.getIndex();
@ -855,6 +867,7 @@ var fdm_init_listener = _setlistener("/sim/signals/fdm-initialized", func {
} }
forindex (var i; views) { forindex (var i; views) {
indices[views[i].getIndex()] = i;
var limits = views[i].getNode("config/limits/enabled"); var limits = views[i].getNode("config/limits/enabled");
if (limits != nil) { if (limits != nil) {
func (i) { func (i) {