Tom > -----Original Message----- > From: Vivian Meazza [mailto:vivian.mea...@lineone.net] > Sent: 01 May 2013 08:47 > To: 'FlightGear developers discussions' > Subject: Re: [Flightgear-devel] Lightmap question > > Tom, > > > -----Original Message----- > > From: Thomas Albrecht [mailto:ra...@web.de] > > Sent: 30 April 2013 23:48 > > To: flightgear-devel@lists.sourceforge.net > > Subject: [Flightgear-devel] Lightmap question > > > > Dear shader experts, > > > > Can I have a single-channel lightmap, and still use a vec3d in my > model.xml to > > end up with green or red (or whatever) light rendered? As in (roughly) > > > > on_screen_color[0] = lightmap-grey-value * vec3d[0] * texture[0] > > on_screen_color[1] = lightmap-grey-value * vec3d[1] * texture[1] > > on_screen_color[2] = lightmap-grey-value * vec3d[2] * texture[2] > > > > where texture is the base model texture? > > > > Docs/README.model-combined.eff says > > > > > <lightmap-color type="vec3d" n="0"> 1.0 1.0 1.0 </lightmap-color> > > > - the color of the light for the red channel in the light-map. > > > > etc for green and blue channels, but when I use this line, FG > > complains > > > > Failed to load xml: Unrecognized data type 'vec3d' > > Failed to load model: Unrecognized data type 'vec3d' > > > > I guess this works only for multi-channel lightmaps? I.e. with > > > > <lightmap-multi type="int">1</lightmap-multi> > > > > My .xml looks like this: > > > > <effect> > > <inherits-from>Effects/model-combined-deferred</inherits-from> > > <parameters> > > <lightmap-enabled type="int">1</lightmap-enabled> > > <texture n="3"> > > <image>tex/DSCF9503_noroofsec_pow2_LM.png</image> > > <wrap-s>repeat</wrap-s> > > <wrap-t>repeat</wrap-t> > > </texture> > > <!-- <lightmap-color type="vec3d" n="0"> 1.0 5.0 0.2 </lightmap-color> > --> > > <lightmap-factor type="float" n="0">1.0</lightmap-factor> > > </parameters> > > <object-name>b606</object-name> > > <object-name>b610</object-name> > > </effect> > > > > The lightmap is working correctly - take a look in the b1900d or the b777. > > The error: > > Failed to load model: Unrecognized data type 'vec3d' > > Indicates that you might be using type="vec3d" somewhere inside an > <animation> tag - it's only valid in an <effect> tag. > > Hth My previous answer wasn't all that helpful now that I read it again. You can do what you want, but not inline in the model.xml file - the type="vec3d" is not recognized anywhere outside an effect and is causing the error. Do your effect config in a local .eff file, then inherit from that in your model. Hope this is a better explanation Vivian
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