void CompositeMat::PreShade(ShadeContext& sc, IReshadeFragment* pFrag)
{
int i(0);
Mtl *submtl = NULL;
// BOOL enabled(FALSE);
char texLengths[12];
int lengthChan = pFrag->NTextures();
pFrag->AddIntChannel(0);
pFrag->AddIntChannel(0);
pFrag->AddIntChannel(0);
int nPrevTex = 3 + lengthChan;
// preshade any submaterials
for (i=0; i<MAX_NUM_MTLS; i++)
{
pblock2->GetValue(compmat_mtls, sc.CurTime(), submtl, FOREVER, i);
if (submtl){
IReshading* pReshading = (IReshading*)(submtl->GetInterface(IID_IReshading));
if( pReshading ){
pReshading->PreShade(sc, pFrag);
int nTex = pFrag->NTextures();
texLengths[i] = char( nTex - nPrevTex);
nPrevTex = nTex;
}
}
}
int* pI = (int*)&texLengths[0];
pFrag->SetIntChannel( lengthChan++, pI[0] );
pFrag->SetIntChannel( lengthChan++, pI[1] );
pFrag->SetIntChannel( lengthChan, pI[2] );
}
void M3Mat::PreShade(ShadeContext& sc, IReshadeFragment* pFrag)
{
int i;
IReshading* pReshading;
TimeValue t = sc.CurTime();
Interval valid = FOREVER;
// get the base material value into i
pblockMat->GetValue(100, t, i, valid );
Mtl *sm1 = mTex[100];
// handle no base mat
if(sm1 == NULL)
{
return;
}
if(i==0||(i==1&&inRender))
{
for( i=0;i<100;i++)
{
float u;
pblockMat->GetValue(i,t,u,valid);
if(mTex[i]!=NULL && u!=0 && mapOn[i])
{
Mtl *comb = mTex[i];
pReshading = (IReshading*)(comb->GetInterface(IID_IReshading));
if( pReshading )
pReshading->PreShade(sc, pFrag);
}
}
pReshading = (IReshading*)(sm1->GetInterface(IID_IReshading));
if( pReshading )
pReshading->PreShade(sc, pFrag);
}
else {
// i == 1 && not inRender
pReshading = (IReshading*)(sm1->GetInterface(IID_IReshading));
if( pReshading )
pReshading->PreShade(sc, pFrag);
}
}
