PatchMapIt _add(const int eTag)
{
PatchMapIns insPatch = patch.insert(PatchMapVal(eTag, PatchDataListIt()));
if(insPatch.second) {
insPatch.first->second =
patchData.insert(patchData.end(), PatchData(eTag));
}
return insPatch.first;
}
// Once all entity tags have been added, generate patch indices
void generatePatchIndices()
{
// if(sharedPatch) { // Don't renumber if not shared to preserve entity
// // numbers. Mostly useful for debugging.
int c = 0;
for(PatchDataListIt pDIt = patchData.begin(); pDIt != patchData.end();
++pDIt) pDIt->index = c++;
// }
}
// Add two entity tags which must be given the same patch index
void addPair(const int eTag1, const int eTag2)
{
sharedPatch = true;
PatchMapIt patch1 = _add(eTag1);
PatchMapIt patch2 = _add(eTag2);
if(patch1->second != patch2->second) {
PatchData &PD1 = *(patch1->second);
PatchData &PD2 = *(patch2->second);
const int nTag = PD2.eTagVec.size();
for(int iTag = 0; iTag != nTag; ++iTag) {
// Move tag from PD2 to PD1
const int tag = PD2.eTagVec[iTag];
PD1.eTagVec.push_back(tag);
// Update value in 'patch' for this tag
if(tag != eTag2) patch[tag] = patch1->second;
}
patchData.erase(patch2->second);
patch2->second = patch1->second;
}
}
