Thanks Melchior
I will have a play around with what you have suggested and
see if I can figure how it works.
Now that we have people doing repaints it would be nice if
a livery could be easily selected at run time.
Cheers
Innis
Melchior FRANZ writes
>
>* Innis Cunningham -- Tuesday 24 October 2006 13:18:
> > Could someone explain or point me in the right direction
> > for using mutiple liveries in FG.
>
>There are two ways:
>
>----------------------------------------------------------------
>
>(A) <texture-path>
>
>This can be used to assign different texture dirs at startup
>(via *-set.xml file or command line). Disadvantage: can't be
>changed at runtime, all aircraft textures have to be in all
>livery dirs, even those that don't belong to the livery and
>are the same for all variants (like tyres, etc.). (I wouldn't
>use this method. :-)
>
> <model>
> <texture-path>Liveries/foo/</texture-path>
> <path>Models/dumbo.ac</path>
> </model>
>
>
>Example: $FG_ROOT/Aircraft/f16/Models/f16klu.xml
>
>----------------------------------------------------------------
>
>(B) "material" animation
>
>This is an animation that can exchange textures at runtime.
>The no longer used texture is freed from memory. If possible,
>one should avoid to use a huge texture as default, as this
>will be loaded and then dumped immediately, if a different
>livery is chosen. Here's a simple example:
>
> <animation>
> <type>material</type>
> <object-name>fuselage</object-name>
> <texture-prop>/sim/model/dumbo/livery</texture-prop>
> </animation>
>
>That is, if you write a new texture path to property
>/sim/model/dumbo/livery (relative to the dir where the
>animation file is), then the livery will be swappend
>"on the fly":
>
> setprop("/sim/model/dumbo/livery", "Livery/pink.rgb");
>
>
>Examples: $FG_ROOT/Aircraft/Lightning/
> $FG_ROOT/Aircraft/bo105/
> $FG_ROOT/Aircraft/F4U/
>
>
>
>The animation can also be used to exchange the texture at
>startup only, in which case it works somehow like method (A).
>
> <animation>
> <type>material</type>
> <object-name>fuselage</object-name>
> <texture>Livery/grey.rgb</texture>
> </animation>
>
>This is used for the Nimitz and the Eisenhower carrier. The
>latter is just a model file where the Nimitz 3D model is loaded,
>but the pennant number is exchanged at startup. It can't be
>changed later.
>
>----------------------------------------------------------------
>
>m.
>
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