Source material.nas
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# material dialog
# ===============
#
# Usage: material.showDialog(<path>, [<title>], [<x>], [<y>]);
#
# the path should point to a property "directory" (usually set in
# the aircraft's *-set.xml file) that contains any of
# (shininess|transparency|texture) and (diffuse|ambient|specular|emission),
# whereby the latter four are directories containing any of
# (red|green|blue|factor|offset).
#
# If <title> is omitted or nil, then the last path component is used as title.
# If <x> and <y> are undefined, then the dialog is centered.
#
#
# Example:
# <foo>
# <diffuse>
# <red>1.0</red>
# <green>0.5</green>
# <blue>0.5</blue>
# </diffuse>
# <transparency>0.5</transparency>
# <texture>bar.rgb</texture>
# </foo>
#
#
# material.showDialog("/sim/model/foo/", "FOO");
#
#
#
# Of course, these properties are only used if a "material" animation
# references them via <*-prop> definition.
#
# Example:
#
# <animation>
# <type>material</type>
# <object-name>foo</object-name>
# <property-base>/sim/model/foo</property-base>
# <diffuse>
# <red-prop>diffuse/red</red-prop>
# <green-prop>diffuse/green</green-prop>
# <blue-prop>diffuse/blue</blue-prop>
# </diffuse>
# <transparency-prop>transparency</transparency-prop>
# <texture-prop>texture</texture-prop>
# </animation>
#
var dialog = nil;
var colorgroup = func(parent, name, base) {
var undef = func(color) { props.globals.getNode(base ~ name ~ "/" ~ color) == nil };
if (undef("red") and undef("green") and undef("blue")) {
return 0;
}
if (base != nil) {
parent.addChild("hrule").setColor(1, 1, 1, 0.5);
}
var grp = parent.addChild("group");
grp.set("layout", "vbox");
grp.addChild("text").set("label", name);
foreach (var color; ["red", "green", "blue", "factor"]) {
mat(parent, color, base ~ name ~ "/" ~ color, "%.3f");
}
mat(parent, "offset", base ~ name ~ "/" ~ "offset", "%.3f", -1.0, 1.0);
return 1;
}
var mat = func(parent, name, path, format, min=nil, max=nil) {
if (props.globals.getNode(path) != nil) {
var grp = parent.addChild("group");
grp.set("layout", "hbox");
grp.addChild("empty").set("stretch", 1);
grp.addChild("text").set("label", name);
var slider = grp.addChild("slider");
slider.set("property", path);
slider.set("live", 1);
if (min != nil and max != nil) {
slider.set("min", min);
slider.set("max", max);
}
slider.setBinding("dialog-apply");
var number = grp.addChild("text");
number.set("label", "-0.123");
number.set("format", format);
number.set("property", path);
number.set("live", 1);
number.setColor(1, 0, 0);
}
}
var showDialog = func(base, title=nil, x=nil, y=nil) {
while (size(base) and substr(base, size(base) - 1, 1) == "/") {
base = substr(base, 0, size(base) - 1);
}
var parentdir = "";
var b = base;
while (size(b)) {
c = substr(b, size(b) - 1, 1);
if (c == "/") { break }
b = substr(b, 0, size(b) - 1);
parentdir = c ~ parentdir;
}
if (title == nil) var title = parentdir;
var name = "material-" ~ parentdir;
base = base ~ "/";
dialog = gui.Widget.new();
dialog.set("name", name);
if (x != nil) dialog.set("x", x);
if (y != nil) dialog.set("y", y);
dialog.set("layout", "vbox");
var titlebar = dialog.addChild("group");
titlebar.set("layout", "hbox");
var w = titlebar.addChild("text");
w.set("label", "object \"" ~ title ~ "\"");
titlebar.addChild("empty").set("stretch", 1);
w = titlebar.addChild("button");
w.set("pref-width", 16);
w.set("pref-height", 16);
w.set("legend", "");
w.set("default", 1);
w.set("keynum", 27);
w.set("border", 1);
w.setBinding("dialog-close");
var h = 0;
h += colorgroup(dialog, "diffuse", base, h);
h += colorgroup(dialog, "ambient", base, h);
h += colorgroup(dialog, "emission", base, h);
h += colorgroup(dialog, "specular", base, h);
var undef = func(prop) { props.globals.getNode(base ~ prop) == nil };
if (!(undef("shininess") and undef("transparency/alpha") and undef("threshold"))) {
if (h) {
dialog.addChild("hrule").setColor(1, 1, 1, 0.5);
}
w = dialog.addChild("group");
w.set("layout", "hbox");
w.addChild("text").set("label", "misc");
mat(dialog, "shi", base ~ "shininess", "%.0f", 0.0, 128.0);
mat(dialog, "alpha", base ~ "transparency/alpha", "%.3f");
mat(dialog, "thresh", base ~ "threshold", "%.3f");
h += 1;
}
if (!undef("texture")) {
if (h) {
dialog.addChild("hrule").setColor(1, 1, 1, 0.5);
}
w = dialog.addChild("group");
w.set("layout", "hbox");
w.addChild("text").set("label", "texture");
w = dialog.addChild("input");
w.set("live", 1);
w.set("pref-width", 200);
w.set("property", base ~ "texture");
w.setBinding("dialog-apply");
}
dialog.addChild("empty").set("pref-height", "3");
dialog.setColor(0.6, 0.6, 0.6, 0.6);
fgcommand("dialog-new", dialog.prop());
gui.showDialog(name);
}