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  1. ... is there some deeper story behind this? GUI_PolySoupBox(const GR_RenderInfo *info, const char *cache_name, const GEO_Primitive *prim); and then GUI_PolySoupBox::GUI_PolySoupBox(const GR_RenderInfo *info, const char *cache_name, const GEO_Primitive *prim) : GR_Primitive(info, cache_name, GA_PrimCompat::TypeMask(0)) ?Still not ticking? Lets continue GR_Primitive constructor takes (const GR_RenderInfo* info, const char* cachename, GEO_PrimTypeCompat::TypeMask primitivetype) GUI_PolySoupBox last argument is const GEO_Primitive *prim and we are setting GR_Primitive last argument as GA_PrimCompat::TypeMask(0) I don't see const GEO_Primitive *prim being used anywhere, but I could miss something, so what's the point?Maybe the point of this is to make something like return new GUI_PolySoupBox(info, cache_name, GA_PrimCompat::TypeMask(prim->getTypeId().get())); instead of return new GUI_PolySoupBox(info, cache_name, prim); ?Every GUI example in HDK docs have this. Thanks! BTW: What is this GA_PrimCompat::TypeMask? Is there some enum anywhere with values for this that I can use? BTW2: Looking at GUI_PolySoupBoxHook::createPrimitive(), there is a check for type of the GEO primitive, then we create new GUI_PolySoupBox() so it would be logical to set GA_PrimCompat::TypeMask instead of passing const GEO_Primitive.
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