hsBool plMaxNodeBase::Contains(const Point3& worldPt)
{
TimeValue currTime = 0;//hsConverterUtils::Instance().GetTime(GetInterface());
Object *obj = EvalWorldState(currTime).obj;
if( !obj )
return false;
Matrix3 l2w = GetObjectTM(currTime);
Matrix3 w2l = Inverse(l2w);
Point3 pt = w2l * worldPt;
if( obj->ClassID() == Class_ID(DUMMY_CLASS_ID,0) )
{
DummyObject* dummy = (DummyObject*)obj;
Box3 bnd = dummy->GetBox();
return bnd.Contains(pt);
}
if( obj->CanConvertToType(triObjectClassID) )
{
TriObject *meshObj = (TriObject *)obj->ConvertToType(currTime, triObjectClassID);
if( !meshObj )
return false;
Mesh& mesh = meshObj->mesh;
Box3 bnd = mesh.getBoundingBox();
if( !bnd.Contains(pt) )
{
if( meshObj != obj )
meshObj->DeleteThis();
return false;
}
hsBool retVal = true;
int i;
for( i = 0; i < mesh.getNumFaces(); i++ )
{
Face& face = mesh.faces[i];
Point3 p0 = mesh.verts[face.v[0]];
Point3 p1 = mesh.verts[face.v[1]];
Point3 p2 = mesh.verts[face.v[2]];
Point3 n = CrossProd(p1 - p0, p2 - p0);
if( DotProd(pt, n) > DotProd(p0, n) )
{
retVal = false;
break;
}
}
if( meshObj != obj )
meshObj->DeleteThis();
return retVal;
}
// If we can't figure out what it is, the point isn't inside it.
return false;
}
int XTCSample::Display(TimeValue t, INode* inode, ViewExp *vpt, int flags, Object *pObj)
{
if ( ! vpt || ! vpt->IsAlive() )
{
// why are we here
DbgAssert(!_T("Doing Display() on invalid viewport!"));
return FALSE;
}
if(pObj->ClassID() == XGSPHERE_CLASS_ID || pObj->IsSubClassOf(triObjectClassID))
{
return DisplayMesh(t, inode, vpt, flags, GetMesh(pObj));
}
#ifndef NO_PATCHES
else if( pObj->IsSubClassOf(patchObjectClassID) )
{
return DisplayPatch(t, inode, vpt, flags, (PatchObject *) pObj);
}
#endif
else if(pObj->CanConvertToType(triObjectClassID))
{
TriObject *pTri = (TriObject *) pObj->ConvertToType(t,triObjectClassID);
DisplayMesh(t, inode, vpt, flags, &pTri->mesh);
if(pTri != pObj)
pTri->DeleteThis();
}
return 0;
}
BOOL plDistributor::IReadyRepNodes(plMeshCacheTab& cache) const
{
int i;
for( i = 0; i < fRepNodes.Count(); i++ )
{
Mesh* mesh = nil;
TriObject* obj = nil;
if( IGetMesh(fRepNodes[i], obj, mesh) )
{
plMaxNode* repNode = (plMaxNode*)fRepNodes[i];
int iCache = cache.Count();
cache.SetCount(iCache + 1);
cache[iCache].fMesh = new Mesh(*mesh);
cache[iCache].fFlex = repNode->GetFlexibility();
if( obj )
obj->DeleteThis();
BOOL hasXImp = nil != repNode->GetXImposterComp();
ISetupNormals(repNode, cache[iCache].fMesh, hasXImp);
ISetupSkinWeights(repNode, cache[iCache].fMesh, cache[iCache].fFlex);
}
else
{
fRepNodes.Delete(i, 1);
i--;
}
}
return fRepNodes.Count() > 0;
}
float plMaxNodeBase::RegionPriority()
{
TimeValue currTime = 0;//hsConverterUtils::Instance().GetTime(GetInterface());
Object *obj = EvalWorldState(currTime).obj;
if( !obj )
return 0;
Matrix3 l2w = GetObjectTM(currTime);
if( obj->ClassID() == Class_ID(DUMMY_CLASS_ID,0) )
{
DummyObject* dummy = (DummyObject*)obj;
Box3 bnd = dummy->GetBox();
return BoxVolume(bnd, l2w);
}
if( obj->CanConvertToType(triObjectClassID) )
{
TriObject *meshObj = (TriObject *)obj->ConvertToType(currTime, triObjectClassID);
if( !meshObj )
return 0;
Mesh& mesh = meshObj->mesh;
Box3 bnd = mesh.getBoundingBox();
if( meshObj != obj )
meshObj->DeleteThis();
return BoxVolume(bnd, l2w);
}
// Don't know how to interpret other, it's not contained.
return 0;
}
Object* SimpleObject::ConvertToType(TimeValue t, Class_ID obtype)
{
if (obtype==defObjectClassID||obtype==triObjectClassID||obtype==mapObjectClassID) {
TriObject *triob;
UpdateMesh(t);
triob = CreateNewTriObject();
triob->GetMesh() = mesh;
triob->SetChannelValidity(TOPO_CHAN_NUM,ObjectValidity(t));
triob->SetChannelValidity(GEOM_CHAN_NUM,ObjectValidity(t));
return triob;
}
#ifndef NO_PATCHES
if (obtype == patchObjectClassID) {
UpdateMesh(t);
PatchObject *patchob = new PatchObject();
patchob->patch = mesh; // Handy Mesh->PatchMesh conversion
patchob->SetChannelValidity(TOPO_CHAN_NUM,ObjectValidity(t));
patchob->SetChannelValidity(GEOM_CHAN_NUM,ObjectValidity(t));
return patchob;
}
#endif
if (Object::CanConvertToType (obtype)) {
UpdateMesh (t);
return Object::ConvertToType(t,obtype);
}
if (CanConvertTriObject(obtype)) {
UpdateMesh (t);
TriObject *triob = CreateNewTriObject ();
triob->GetMesh() = mesh;
triob->SetChannelValidity(TOPO_CHAN_NUM,ObjectValidity(t));
triob->SetChannelValidity(GEOM_CHAN_NUM,ObjectValidity(t));
Object *ob = triob->ConvertToType (t, obtype);
if (ob != triob) triob->DeleteThis (); // (ob should never = tob.)
return ob;
}
return NULL;
}
void BlobMesh::BuildMesh(TimeValue t)
{
//TODO: Implement the code to build the mesh representation of the object
// using its parameter settings at the time passed. The plug-in should
// use the data member mesh to store the built mesh.
int numberOfNodes = pblock2->Count(pb_nodelist);
float size, tension, renderCoarseness, viewCoarseness,coarseness;
// Interval valid;
pblock2->GetValue(pb_size,t,size,ivalid);
pblock2->GetValue(pb_tension,t,tension,ivalid);
if (tension < 0.011f) tension = 0.011f;
if (tension > 1.0f) tension = 1.0f;
pblock2->GetValue(pb_render,t,renderCoarseness,ivalid);
pblock2->GetValue(pb_viewport,t,viewCoarseness,ivalid);
BOOL autoCoarseness;
pblock2->GetValue(pb_relativecoarseness,t,autoCoarseness,ivalid);
BOOL largeDataSetOpt;
pblock2->GetValue(pb_oldmetaballmethod,t,largeDataSetOpt,ivalid);
BOOL useSoftSel;
float minSize;
pblock2->GetValue(pb_usesoftsel,t,useSoftSel,ivalid);
pblock2->GetValue(pb_minsize,t,minSize,ivalid);
if (inRender)
coarseness = renderCoarseness;
else coarseness = viewCoarseness;
if (autoCoarseness)
coarseness = size/coarseness;
Tab<INode *> pfList;
BOOL useAllPFEvents;
pblock2->GetValue(pb_useallpf,0,useAllPFEvents,FOREVER);
int pfCt = pblock2->Count(pb_pfeventlist);
BOOL offInView;
pblock2->GetValue(pb_offinview,0,offInView,FOREVER);
for (int i = 0; i < pfCt; i++)
{
INode* node = NULL;
pblock2->GetValue(pb_pfeventlist,0,node,FOREVER,i);
if (node)
pfList.Append(1,&node);
}
float thres = 0.6f;
//need to get our tm
if (selfNode == NULL)
{
MyEnumProc dep(true);
DoEnumDependents(&dep);
if (dep.Nodes.Count() > 0)
selfNode = dep.Nodes[0];
}
Matrix3 baseTM(1);
if (selfNode != NULL)
baseTM = Inverse(selfNode->GetObjectTM(t));
//loop throght the nodes
if (!inRender)
{
if (offInView)
numberOfNodes = 0;
}
std::vector<SphereData> data;
data.reserve(500);
for (int i = 0; i < numberOfNodes; i++)
{
INode* node = NULL;
pblock2->GetValue(pb_nodelist,t,node,ivalid,i);
if (node)
{
//get the nodes tm
Matrix3 objectTM = node->GetObjectTM(t);
Matrix3 toLocalSpace = objectTM*baseTM;
ObjectState tos = node->EvalWorldState(t,TRUE);
if (tos.obj->IsParticleSystem())
{
SimpleParticle* pobj = NULL;
IParticleObjectExt* epobj = NULL;
pobj = static_cast<SimpleParticle*>( tos.obj->GetInterface(I_SIMPLEPARTICLEOBJ) );
if (pobj)
{
pobj->UpdateParticles(t, node);
int count = pobj->parts.Count();
data.reserve(data.size() + count);
float closest = 999999999.9f;
SphereData d;
for (int pid = 0; pid < count; pid++)
{
TimeValue age = pobj->ParticleAge(t,pid);
TimeValue life = pobj->ParticleLife(t,pid);
if (age != -1)
{
float psize = pobj->ParticleSize(t,pid);
Point3 curval = pobj->parts.points[pid];
d.center = curval * baseTM;
d.radius = psize;
d.oradius = psize;
d.rsquare = psize * psize;
d.tover4 = tension * d.rsquare *d.rsquare ;
data.push_back(d);
}
}
}
else
{
epobj = (IParticleObjectExt*) tos.obj->GetInterface(PARTICLEOBJECTEXT_INTERFACE);
if (epobj)
{
epobj->UpdateParticles(node, t);
int count = epobj->NumParticles();
data.reserve(data.size() + count);
for (int pid = 0; pid < count; pid++)
{
TimeValue age = epobj->GetParticleAgeByIndex(pid);
if (age!=-1)
{
INode *node = epobj->GetParticleGroup(pid);
Point3 *curval = epobj->GetParticlePositionByIndex(pid);
BOOL useParticle = TRUE;
if (!useAllPFEvents)
{
useParticle = FALSE;
for (int k = 0; k < pfList.Count(); k++)
{
if (node == pfList[k])
{
useParticle = TRUE;
k = pfList.Count();
}
}
}
if ((curval) && (useParticle))
{
float scale = epobj->GetParticleScaleByIndex(pid) ;
float psize = scale;
SphereData d;
d.center = *curval*baseTM;
d.radius = psize;
d.oradius = psize;
d.rsquare = psize * psize;
d.tover4 = tension * d.rsquare *d.rsquare ;
data.push_back(d);
}
}
}
}
}
}
else if (tos.obj->IsShapeObject())
{
PolyShape shape;
ShapeObject *pathOb = (ShapeObject*)tos.obj;
pathOb->MakePolyShape(t, shape);
// first find out how many points there are:
size_t num_points = 0;
for (int i = 0; i < shape.numLines; i++)
{
PolyLine& line = shape.lines[i];
num_points += line.numPts;
}
data.reserve(data.size() + num_points);
for (int i = 0; i < shape.numLines; i++)
{
PolyLine line = shape.lines[i];
for (int j = 0; j < line.numPts; j++)
{
SphereData d;
float tsize = size;
d.center = line.pts[j].p*toLocalSpace;
d.radius = tsize;
d.oradius = tsize;
d.rsquare = tsize * tsize;
d.tover4 = tension * d.rsquare *d.rsquare ;
data.push_back(d);
}
}
}
else if (tos.obj->SuperClassID()==GEOMOBJECT_CLASS_ID)
{
SphereData d;
BOOL converted = FALSE;
TriObject *triObj = NULL;
if(tos.obj->IsSubClassOf(triObjectClassID))
{
triObj = (TriObject *)tos.obj;
}
// If it can convert to a TriObject, do it
else if(tos.obj->CanConvertToType(triObjectClassID))
{
triObj = (TriObject *)tos.obj->ConvertToType(t, triObjectClassID);
converted = TRUE;
}
if (triObj != NULL)
{
Mesh* mesh = &triObj->GetMesh();
if (mesh)
{
int vcount = mesh->getNumVerts();
float *vsw = mesh->getVSelectionWeights ();
BitArray vsel = mesh->VertSel();
data.reserve(data.size() + vcount);
for (int j = 0; j < vcount; j++)
{
float tsize = size;
if (useSoftSel)
{
tsize = 0.0f;
if (vsw)
{
float v = 0.0f;
if (vsel[j])
v = 1.0f;
else
{
if (vsw)
v = vsw[j];
}
if (v == 0.0f)
tsize = 0.0f;
else
{
tsize = minSize + (size -minSize)*v;
}
}
else
{
float v = 0.0f;
if (vsel[j])
v = 1.0f;
tsize = minSize + (size -minSize)*v;
}
}
if (tsize != 0.0f)
{
d.center = mesh->getVert(j)*toLocalSpace;
d.radius = tsize;
d.oradius = tsize;
d.rsquare = tsize * tsize;
d.tover4 = tension * d.rsquare *d.rsquare ;
data.push_back(d);
}
}
}
if (converted) triObj->DeleteThis();
}
}
else
{
SphereData d;
d.center = Point3(0.0f,0.0f,0.0f)*toLocalSpace;
d.radius = size;
d.oradius = size;
d.rsquare = size * size;
d.tover4 = tension * d.rsquare *d.rsquare ;
data.push_back(d);
}
}
}
if ((data.size() == 0) && (numberOfNodes==0))
{
data.resize(1);
data[0].center = Point3(0.0f,0.0f,0.0f);
data[0].radius = size;
data[0].oradius = size;
data[0].rsquare = size * size;
data[0].tover4 = tension * data[0].rsquare *data[0].rsquare ;
}
if (data.size() > 0)
{
int iRes = 1;
if (!largeDataSetOpt)
{
MetaParticle oldBlob;
iRes = oldBlob.CreatePodMetas(&data[0],(int)data.size(),&mesh,thres,coarseness);
}
else
{
MetaParticleFast blob;
iRes = blob.CreatePodMetas(&data[0],(int)data.size(),&mesh,thres,coarseness);
}
// An out of memory error is the only reason iRes would be zero in either case
if( (iRes == 0) && GetCOREInterface() )
GetCOREInterface()->DisplayTempPrompt(GetString(IDS_NOT_ENOUGH_MEM), 5000 );
}
else
{
mesh.setNumFaces(0);
mesh.setNumVerts(0);
}
mesh.InvalidateTopologyCache();
ivalid.Set(t,t);
}
//Some helper functions to handle painter UI
void PainterTextureSample::Paint()
{
node = NULL;
// pblock->GetValue(pb_node,0,node,FOREVER);
int nodeCount = GetCOREInterface()->GetSelNodeCount();
if (nodeCount > 0)
node = GetCOREInterface()->GetSelNode(0);
if ((pPainter) && (node))//need to check this since some one could have taken the painterinterface plugin out
{
if (!pPainter->InPaintMode())
{
pPainter->InitializeCallback(this); //initialize the callback
//we dont use the point gather or normal data
pPainter->SetEnablePointGather(TRUE);
pPainter->SetBuildNormalData(FALSE);
//this sends all our dependant nodes to the painter
Tab<INode*> nodes;
nodes.Append(1,&node);
pPainter->InitializeNodes(0, nodes);
//since we are painting on the final mesh we dont need to do any special handling of nodes
pPainter->StartPaintSession(); //start the paint session
iPaintButton->SetCheck(TRUE);
//need to build mesh and uvw data
ObjectState sos;
TimeValue t = GetCOREInterface()->GetTime();
if (node)
{
sos = node->EvalWorldState(t);
Mesh *msh = NULL;
TriObject *collapsedtobj = NULL;
if (sos.obj)
{
if (sos.obj->IsSubClassOf(triObjectClassID))
{
TriObject *tobj = (TriObject*)sos.obj;
msh = &tobj->GetMesh();
}
//collapse it to a mesh
else if (sos.obj->CanConvertToType(triObjectClassID))
{
collapsedtobj = (TriObject*) sos.obj->ConvertToType(t,triObjectClassID);
msh = &collapsedtobj->GetMesh();
}
if (msh != NULL)
{
int uvCount = msh->getNumMapVerts(1);
int numFaces = msh->numFaces;
uvwPoints.SetCount(uvCount);
uvwFaces.SetCount(numFaces);
memcpy(uvwPoints.Addr(0), msh->mapVerts(1),uvCount*sizeof(Point3));
memcpy(uvwFaces.Addr(0), msh->mapFaces(1),numFaces*sizeof(TVFace));
Matrix3 tm = node->GetObjectTM(t);
BuildWorldSpaceData(msh,tm);
int ct = worldSpaceList.Count();
pPainter->LoadCustomPointGather(ct, worldSpaceList.Addr(0), node);
pPainter->UpdateMeshes(TRUE);
}
if ((collapsedtobj) && (collapsedtobj != sos.obj)) collapsedtobj->DeleteThis();
}
}
}
else //we are currently in a paint mode so turn it off
{
pPainter->EndPaintSession(); //end the paint session
iPaintButton->SetCheck(FALSE);
}
}
}
