I'm adding custom attributes to light nodes and having problems with
attribute editor.
Currently I use:
scriptJob -permanent -e DagObjectCreated "AddExtraLightAttrs";
If AttributeEditor is already open when I create new light, new attrs are
added _after_ AE refresh - this results in total mess in AE.
If light is created before AE open, everything displays correctly, even
subsequent light creations - so this has smth. to do with AE
initialization/caching ...
I've used this technique in the past, but now I create ramp attributes,
which seem to be causing trouble.
What can I do to fix this? Is there better alternative to scriptJob?
I did a quick test with registering an API
callback: OpenMaya.MDGMessage.addNodeAddedCallback which in turn calls a
AddExtraLightAttrs MEL, but this doesn't seem to fix this.
Or maybe I can make light AETemplate more bulletproof.
I've also heard that new Maya allows to subclass lights to better handle
custom attrs, but I couldn't find any docs for that.
This is the code that adds a ramp attr:
proc AddExtraLightAttrs_Ramp(string $node)
{
//color ramp
addAttr -longName "ColorGradient" -attributeType "compound" -multi
-numberOfChildren
3 $node;
addAttr -shortName "ColorGradient_Position" -attributeType "float" -parent
"ColorGradient" $node;
addAttr -shortName "ColorGradient_Color" -attributeType float3 -storable 1
-parent "ColorGradient" $node;
addAttr -shortName "ColorGradient_ColorR" -attributeType "float" -parent
"ColorGradient_Color" $node;
addAttr -shortName "ColorGradient_ColorG" -attributeType "float" -parent
"ColorGradient_Color" $node;
addAttr -shortName "ColorGradient_ColorB" -attributeType "float" -parent
"ColorGradient_Color" $node;
addAttr -shortName "ColorGradient_Interp" -attributeType "enum" -enumName
"None:Linear:Spline:Smooth" -parent "ColorGradient" $node;
//ramp index type
addAttr -longName "ColorGradientInput" -attributeType "enum" -enumName
"Distance:Intensity:Angle:IntensityAngle" $node;
addAttr -longName "ColorGradientInputMaxPoint" -attributeType "float" $node
;
addAttr -longName "ColorGradientMix" -attributeType "float"$node;
setAttr ($node + ".ColorGradientInputMaxPoint") 1;
}
And this is part of modified AEspotLightTemplate:
global proc AEspotLightTemplate ( string $nodeName )
{
AEswatchDisplay $nodeName;
editorTemplate -callCustom
("AEspotLightPreviewPortNew " + $nodeName )
("AEspotLightPreviewPortReplace " + $nodeName )
"coneAngle";
editorTemplate -beginScrollLayout;
editorTemplate -beginLayout (uiRes("m_AEspotLightTemplate.kSpotLightAttr"))
-collapse 0;
AElightCommon $nodeName;
// THIS PART IS NEW
editorTemplate -beginLayout "Colour Gradient" -collapse 0;
AEaddRampControl($nodeName + ".ColorGradient");
editorTemplate -addControl "ColorGradientInput";
editorTemplate -addControl "ColorGradientInputMaxPoint";
editorTemplate -callCustom "AEmfdlSlider_New" "AEmfdlSlider_Replace"
"ColorGradientMix
0 1";
editorTemplate -endLayout;
// REST OF FILE IS ORIGINAL
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