void MatMod::ModifyObject(TimeValue t, ModContext &mc, ObjectState *os, INode *node)
{
Interval valid = FOREVER;
int id;
pblock->GetValue(PB_MATID,t,id,valid);
id--;
if (id<0) id = 0;
if (id>0xffff) id = 0xffff;
// For version 4 and later, we process patch meshes as they are and pass them on. Earlier
// versions converted to TriMeshes (done below). For adding other new types of objects, add
// them here!
#ifndef NO_PATCHES
if(version >= MATMOD_VER4 && os->obj->IsSubClassOf(patchObjectClassID)) {
PatchObject *patchOb = (PatchObject *)os->obj;
PatchMesh &pmesh = patchOb->GetPatchMesh(t);
BOOL useSel = pmesh.selLevel >= PO_PATCH;
for (int i=0; i<pmesh.getNumPatches(); i++) {
if (!useSel || pmesh.patchSel[i]) {
pmesh.setPatchMtlIndex(i,(MtlID)id);
}
}
pmesh.InvalidateGeomCache(); // Do this because there isn't a topo cache in PatchMesh
patchOb->UpdateValidity(TOPO_CHAN_NUM,valid);
}
else
#endif // NO_PATCHES
// Process PolyObjects
if(os->obj->IsSubClassOf(polyObjectClassID)) {
PolyObject *polyOb = (PolyObject *)os->obj;
MNMesh &mesh = polyOb->GetMesh();
BOOL useSel = mesh.selLevel == MNM_SL_FACE;
for (int i=0; i<mesh.numf; i++) {
if (!useSel || mesh.f[i].GetFlag(MN_SEL)) {
mesh.f[i].material = (MtlID)id;
}
}
polyOb->UpdateValidity(TOPO_CHAN_NUM,valid);
}
else // If it's a TriObject, process it
if(os->obj->IsSubClassOf(triObjectClassID)) {
TriObject *triOb = (TriObject *)os->obj;
DoMaterialSet(triOb, id);
triOb->UpdateValidity(TOPO_CHAN_NUM,valid);
}
else // Fallback position: If it can convert to a TriObject, do it!
if(os->obj->CanConvertToType(triObjectClassID)) {
TriObject *triOb = (TriObject *)os->obj->ConvertToType(t, triObjectClassID);
// Now stuff this into the pipeline!
os->obj = triOb;
DoMaterialSet(triOb, id);
triOb->UpdateValidity(TOPO_CHAN_NUM,valid);
}
else
return; // Do nothing if it can't convert to triObject
}
void NormalMod::ModifyObject(TimeValue t, ModContext &mc, ObjectState *os, INode *node)
{
Interval valid = FOREVER;
int flip, unify;
pblock->GetValue(PB_FLIP,t,flip,valid);
pblock->GetValue(PB_UNIFY,t,unify,valid);
// For version 4 and later, we process patch meshes as they are and pass them on. Earlier
// versions converted to TriMeshes (done below). For adding other new types of objects, add
// them here!
#ifndef NO_PATCHES
if(version >= MATMOD_VER4 && os->obj->IsSubClassOf(patchObjectClassID)) {
PatchObject *patchOb = (PatchObject *)os->obj;
PatchMesh &pmesh = patchOb->GetPatchMesh(t);
BOOL useSel = pmesh.selLevel >= PO_PATCH;
if (unify)
pmesh.UnifyNormals(useSel);
if (flip)
pmesh.FlipPatchNormal(useSel ? -1 : -2);
patchOb->UpdateValidity(TOPO_CHAN_NUM,valid);
}
else // If it's a TriObject, process it
#endif // NO_PATCHES
if(os->obj->IsSubClassOf(triObjectClassID)) {
TriObject *triOb = (TriObject *)os->obj;
DoNormalSet(triOb, unify, flip);
triOb->UpdateValidity(TOPO_CHAN_NUM,valid);
}
// Process PolyObjects
// note: Since PolyObjects must always have the normals alligned they do not
// need to support unify and they do not allow normal flips on selected faces
else if(os->obj->IsSubClassOf(polyObjectClassID)) {
PolyObject *pPolyOb = (PolyObject *)os->obj;
MNMesh& mesh = pPolyOb->GetMesh();
if (flip) {
// flip selected faces only if entire elements are selected
if (mesh.selLevel == MNM_SL_FACE) {
// sca 12/8/2000: Use MNMesh flipping code instead of the code that was here.
mesh.FlipElementNormals (MN_SEL);
} else {
// Flip the entire object if selected elements were not flipped
for (int i=0; i<mesh.FNum(); i++) {
mesh.f[i].SetFlag (MN_WHATEVER, !mesh.f[i].GetFlag(MN_DEAD));
}
mesh.FlipElementNormals (MN_WHATEVER);
}
// Luna task 747:
// We cannot support specified normals here at this time.
// NOTE this assumes that both the topo and geo channels are to be freed
// this means that the modifier needs to also set the channels changed to
// geo and topo otherwise we will be deleting a channel we dont own.
mesh.ClearSpecifiedNormals ();
}
pPolyOb->UpdateValidity(GEOM_CHAN_NUM,valid);
pPolyOb->UpdateValidity(TOPO_CHAN_NUM,valid);
}
else // Fallback position: If it can convert to a TriObject, do it!
if(os->obj->CanConvertToType(triObjectClassID)) {
TriObject *triOb = (TriObject *)os->obj->ConvertToType(t, triObjectClassID);
// Now stuff this into the pipeline!
os->obj = triOb;
DoNormalSet(triOb, unify, flip);
triOb->UpdateValidity(TOPO_CHAN_NUM,valid);
}
else
return; // Do nothing if it can't convert to triObject
}
void SmoothMod::ModifyObject(TimeValue t, ModContext &mc, ObjectState *os, INode *node) {
Interval valid = FOREVER;
int autoSmooth, bits = 0, prevent = 0;
float thresh = 0.0f;
pblock->GetValue(sm_autosmooth, t, autoSmooth, valid);
if (autoSmooth) {
pblock->GetValue(sm_threshold, t, thresh, valid);
pblock->GetValue(sm_prevent_indirect, t, prevent, valid);
} else {
pblock->GetValue(sm_smoothbits, t, bits, valid);
}
// For version 4 and later, we process patch meshes as they are and pass them on. Earlier
// versions converted to TriMeshes (done below). For adding other new types of objects, add
// them here!
bool done = false;
#ifndef NO_PATCHES
if(version >= MATMOD_VER4 && os->obj->IsSubClassOf(patchObjectClassID)) {
PatchObject *patchOb = (PatchObject *)os->obj;
PatchMesh &pmesh = patchOb->GetPatchMesh(t);
BOOL useSel = pmesh.selLevel >= PO_PATCH;
if (autoSmooth) pmesh.AutoSmooth (thresh, useSel, prevent);
else {
for (int i=0; i<pmesh.getNumPatches(); i++) {
if (!useSel || pmesh.patchSel[i]) pmesh.patches[i].smGroup = (DWORD)bits;
}
}
pmesh.InvalidateGeomCache(); // Do this because there isn't a topo cache in PatchMesh
patchOb->UpdateValidity(TOPO_CHAN_NUM,valid);
done = true;
}
#endif // NO_PATCHES
if (!done && os->obj->IsSubClassOf (polyObjectClassID)) {
PolyObject *pPolyOb = (PolyObject *)os->obj;
MNMesh &mesh = pPolyOb->GetMesh();
BOOL useSel = (mesh.selLevel == MNM_SL_FACE);
if (autoSmooth) mesh.AutoSmooth (thresh, useSel, prevent);
else {
for (int faceIndex=0; faceIndex<mesh.FNum(); faceIndex++) {
if (!useSel || mesh.F(faceIndex)->GetFlag(MN_SEL)) {
mesh.F(faceIndex)->smGroup = (DWORD)bits;
}
}
}
// Luna task 747
// We need to rebuild the smoothing-group-based normals in the normalspec, if any:
if (mesh.GetSpecifiedNormals()) {
mesh.GetSpecifiedNormals()->SetParent (&mesh);
mesh.GetSpecifiedNormals()->BuildNormals ();
mesh.GetSpecifiedNormals()->ComputeNormals ();
}
pPolyOb->UpdateValidity(TOPO_CHAN_NUM,valid);
done = true;
}
TriObject *triOb = NULL;
if (!done) {
if (os->obj->IsSubClassOf(triObjectClassID)) triOb = (TriObject *)os->obj;
else {
// Convert to triobject if we can.
if(os->obj->CanConvertToType(triObjectClassID)) {
TriObject *triOb = (TriObject *)os->obj->ConvertToType(t, triObjectClassID);
// We'll need to stuff this back into the pipeline:
os->obj = triOb;
// Convert validities:
Interval objValid = os->obj->ChannelValidity (t, TOPO_CHAN_NUM);
triOb->SetChannelValidity (TOPO_CHAN_NUM, objValid);
triOb->SetChannelValidity (GEOM_CHAN_NUM,
objValid & os->obj->ChannelValidity (t, GEOM_CHAN_NUM));
triOb->SetChannelValidity (TEXMAP_CHAN_NUM,
objValid & os->obj->ChannelValidity (t, TEXMAP_CHAN_NUM));
triOb->SetChannelValidity (VERT_COLOR_CHAN_NUM,
objValid & os->obj->ChannelValidity (t, VERT_COLOR_CHAN_NUM));
triOb->SetChannelValidity (DISP_ATTRIB_CHAN_NUM,
objValid & os->obj->ChannelValidity (t, DISP_ATTRIB_CHAN_NUM));
}
}
}
if (triOb) { // one way or another, there's a triobject to smooth.
Mesh & mesh = triOb->GetMesh();
BOOL useSel = mesh.selLevel == MESH_FACE;
if (autoSmooth) mesh.AutoSmooth (thresh, useSel, prevent);
else {
for (int i=0; i<mesh.getNumFaces(); i++) {
if (!useSel || mesh.faceSel[i]) mesh.faces[i].smGroup = (DWORD)bits;
}
}
triOb->GetMesh().InvalidateTopologyCache();
triOb->UpdateValidity(TOPO_CHAN_NUM,valid);
}
}