C++ PatchMesh::getNumEdges方法代码示例

void VWeldMod::ConvertPatchSelection (PatchMesh & mesh) {
	int i;

	switch (mesh.selLevel) {
	case PATCH_OBJECT:
		mesh.vertSel.SetAll ();
		break;
	case PATCH_VERTEX:
		// Don't need to do anything.
		break;
	case PATCH_EDGE:
		mesh.vertSel.ClearAll ();
		for (i=0; i<mesh.getNumEdges(); i++) {		
			if (!mesh.edgeSel[i]) continue;
			mesh.vertSel.Set(mesh.edges[i].v1,TRUE);
			mesh.vertSel.Set(mesh.edges[i].v2,TRUE);
		}
		break;
	case PATCH_PATCH:
		mesh.vertSel.ClearAll ();
		for (i=0; i<mesh.getNumPatches(); i++) {
			if (!mesh.patchSel[i]) continue;
			for (int j=0; j<mesh.patches[i].type; j++) mesh.vertSel.Set (mesh.patches[i].v[j]);
		}
		break;
	}
}

// Edger Delete modifier method
void EditPatchMod::DoEdgeDelete() 
{
	ModContextList mcList;		
	INodeTab nodes;
	TimeValue t = ip->GetTime();
	int holdNeeded = 0;
	
	if (!ip)
		return;
	
	ip->GetModContexts(mcList, nodes);
	ClearPatchDataFlag(mcList, EPD_BEENDONE);
	
	theHold.Begin();
	RecordTopologyTags();
	for (int i = 0; i < mcList.Count(); i++)
	{
		int altered = 0;
		EditPatchData *patchData =(EditPatchData*)mcList[i]->localData;
		if (!patchData)
			continue;
		if (patchData->GetFlag(EPD_BEENDONE))
			continue;
		
		// If the mesh isn't yet cache, this will cause it to get cached.
		RPatchMesh *rpatch;
		PatchMesh *patch = patchData->TempData(this)->GetPatch(t, rpatch);
		if (!patch)
			continue;
		patchData->RecordTopologyTags(patch);
		
		// If this is the first edit, then the delta arrays will be allocated
		patchData->BeginEdit(t);
		
		// If any bits are set in the selection set, let's DO IT!!
		if (patch->edgeSel.NumberSet())
		{
			altered = holdNeeded = 1;
			if (theHold.Holding())
				theHold.Put(new PatchRestore(patchData, this, patch, rpatch, "DoEdgeDelete"));
			int edges = patch->getNumEdges();
			int patches = patch->getNumPatches();
			int verts = patch->getNumVerts();
			
			// Tag the patches that are attached to selected edges
			BitArray delPatches(patches);
			delPatches.ClearAll();
			
			for (int i = 0; i < edges; ++i)
			{
				if (patch->edgeSel[i])
				{
#if (MAX_RELEASE < 4000)
					if (patch->edges[i].patch1 >= 0)
						delPatches.Set(patch->edges[i].patch1);
					if (patch->edges[i].patch2 >= 0)
						delPatches.Set(patch->edges[i].patch2);
#else // (MAX_RELEASE < 4000)
					if (patch->edges[i].patches[0] >= 0)
						delPatches.Set(patch->edges[i].patches[0]);
					if (patch->edges[i].patches[1] >= 0)
						delPatches.Set(patch->edges[i].patches[1]);
#endif // (MAX_RELEASE < 4000)
				}
			}
			
			BitArray delVerts(verts);
			delVerts.ClearAll();
			
			DeletePatchParts(patch, rpatch, delVerts, delPatches);
			patch->computeInteriors();
			
			patchData->UpdateChanges(patch, rpatch);
			patchData->TempData(this)->Invalidate(PART_TOPO);
		}
		patchData->SetFlag(EPD_BEENDONE, TRUE);
	}
	
	if (holdNeeded)
	{
		ResolveTopoChanges();
		theHold.Accept(GetString(IDS_TH_EDGEDELETE));
	}
	else 
	{
		ip->DisplayTempPrompt(GetString(IDS_TH_NOEDGESSEL), PROMPT_TIME);
		theHold.End();
	}
	
	nodes.DisposeTemporary();
	ClearPatchDataFlag(mcList, EPD_BEENDONE);
	NotifyDependents(FOREVER, PART_TOPO, REFMSG_CHANGE);
	ip->RedrawViews(ip->GetTime(), REDRAW_NORMAL);
}