Paramblock's TAB-parameter

[Anonymous]

Hi everyone!

I'm trying to receive submaterials and submaps of not standard materials and not standard maps (like VRay and Corona). For these purposes I used IParamblock2 of Mtl and BitmapTex respectively.

I'm checking type of parameter if it's TYPE_MTL

void VRnetReader::FindInMtl(Mtl *mat, list<BitmapTex*> &diffuseMaps, list<BitmapTex*> &bumpMaps)
{
	if(mat == NULL)
		return;
	MaterialNum numerator(mat);

	IParamBlock2 * pblock = mat->GetParamBlock(ip->GetTime());
	if(pblock == NULL)
		return;
	int pbCount = pblock->GetDesc()->count;

	for(int i = 0; i < pbCount; i++){
		int  id = pblock->GetDesc()->IndextoID(i);

		ParamType2 ptype = pblock->GetParameterType(id);
		if(ptype == ParamType2::TYPE_MTL){
			Interval validity;
			Mtl *inMtl = pblock->GetMtl(id,ip->GetTime(),validity);

			if(inMtl != NULL)
				FindInMtl(inMtl,diffuseMaps,bumpMaps);
		}
	}
	

	BitmapTex *diffTM = NULL, *bumpTM = NULL;
	if(numerator.DIFFINDEX >= 0){
		diffTM = (BitmapTex *) mat->GetSubTexmap(numerator.DIFFINDEX);
	}
	if(numerator.BUMPINDEX >= 0){
		bumpTM = (BitmapTex *) mat->GetSubTexmap(numerator.BUMPINDEX);
	}

	if(diffTM != NULL){
		diffuseMaps.push_back(diffTM);
	}
	if(bumpTM != NULL){
		bumpMaps.push_back(bumpTM);
	}
}

and if it's TYPE_TEXMAP / TYPE_BITMAP (receiving at least one texture if we have it at all):

PBBitmap *VRnetReader::GetBitmap(BitmapTex **texture)
{
	IParamBlock2 *pb2 = (*texture)->GetParamBlock(ip->GetTime());
	Interval val;
	if(pb2 == NULL)
		return NULL;
	int count = pb2->GetDesc()->Count();
	ParamType2 ptype;
	for(int i = 0; i < count; i++){
		ParamID id = pb2->IndextoID(i);
		ptype = pb2->GetParameterType(id);
		if(ptype == ParamType2::TYPE_TEXMAP){
			BitmapTex *buffTex = (BitmapTex *) pb2->GetTexmap(id,ip->GetTime(),val);
			if(buffTex != NULL){
				PBBitmap *buff = GetBitmap(&buffTex);
				if(buff != NULL){
					*texture = buffTex;
					return buff;
				}
			}
		}
		if(ptype == ParamType2::TYPE_BITMAP){
			PBBitmap *buff = pb2->GetBitmap(id,ip->GetTime(),val);
			if(buff != NULL)
				return buff;
		}
	}
	return NULL;
}

But sometimes type of parameter is TYPE_MTL_TAB, TYPE_TEXMAP_TAB or TYPE_BITMAP_TAB. As much as I understood, it means that the object that we can receive is Tab<Mtl*>, Tab<Texmap*> or Tab<BitmapTex*> respectively.

Thing is, I haven't found how to extract this mentioned table.

Any ideas how to receive it?

[Anonymous]

@denisT.MaxDoctor, I cast you here, oh guru 😄

[Anonymous · Accepted solution]

Well, little UPD. IParamBlock2::GetMtl/GetTexmap/GetBitmap and respective GetValue has int tabIndex = 0 in parameters, my bad.

But, nevertheless, I'm not sure how to receive index of element in tab. Thus, the question is still actual.

Sad but true.

P.S. Possibly I should look at indices inside IParamBlock2::Count(ParamID) method. But it's not for sure, going to test it right now.

Upd: Nope, it's not.

[Anonymous]

Upd2: Yep, it is.

Offtop: while I sought solution, found answers on CGTalk of denisT.MaxDoctor 😄