void ChmEngineImpl::Navigate(int dir)
{
if (!htmlWindow)
return;
if (dir < 0) {
for (; dir < 0 && CanNavigate(dir); dir++)
htmlWindow->GoBack();
} else {
for (; dir > 0 && CanNavigate(dir); dir--)
htmlWindow->GoForward();
}
}
void EbookController::Navigate(int dir)
{
if (!CanNavigate(dir))
return;
// update the current history entry
int idx = currPageReparseIdx;
if (navHistoryIx < navHistory.Count())
navHistory.At(navHistoryIx) = idx;
else
navHistory.Append(idx);
navHistoryIx += dir;
idx = navHistory.At(navHistoryIx);
int pageNo = PageForReparsePoint(pages, idx);
if (0 == pageNo)
pageNo = GetMaxPageCount();
if (pageNo > 0)
GoToPage(pageNo, false);
}
TArray<FVector> ADonNavigationManagerUnbound::NeighborsAsVectors(FVector Location)
{
TArray<FVector> neighbors;
neighbors.Reserve(Volume6DOF + VolumeImplicitDOF);
/*FVector volumeId = VolumeIdAt(Location);
int x = volumeId.X, y = volumeId.Y, z = volumeId.Z;*/
// 6 DOF neighbors (Direct neighbors)
for (int32 i = 0; i < Volume6DOF; i++)
{
/*int32 xN = x + x6DOFCoords[i];
int32 yN = y + y6DOFCoords[i];
int32 zN = z + z6DOFCoords[i];
neighbors.Add(LocationAtId(xN, yN, zN));*/
FVector neighbor = Location + VoxelSize * FVector(x6DOFCoords[i], y6DOFCoords[i], z6DOFCoords[i]);
neighbors.Add(neighbor);
}
// Implicit:
// X
if (CanNavigate(LocationAtId(Location, 1, 0, 0)) && CanNavigate(LocationAtId(Location, 0, 0, 1)))
neighbors.Add(LocationAtId(Location, 1, 0, 1));
if (CanNavigate(LocationAtId(Location, -1, 0, 0)) && CanNavigate(LocationAtId(Location, 0, 0, 1)))
neighbors.Add(LocationAtId(Location, -1, 0, 1));
if (CanNavigate(LocationAtId(Location, 1, 0, 0)) && CanNavigate(LocationAtId(Location, 0, 0, -1)))
neighbors.Add(LocationAtId(Location, 1, 0, -1));
if (CanNavigate(LocationAtId(Location, -1, 0, 0)) && CanNavigate(LocationAtId(Location, 0, 0, -1)))
neighbors.Add(LocationAtId(Location, -1, 0, -1));
//Y
if (CanNavigate(LocationAtId(Location, 0, 1, 0)) && CanNavigate(LocationAtId(Location, 0, 0, 1)))
neighbors.Add(LocationAtId(Location, 0, 1, 1));
if (CanNavigate(LocationAtId(Location, 0, -1, 0)) && CanNavigate(LocationAtId(Location, 0, 0, 1)))
neighbors.Add(LocationAtId(Location, 0, -1, 1));
if (CanNavigate(LocationAtId(Location, 0, 1, 0)) && CanNavigate(LocationAtId(Location, 0, 0, -1)))
neighbors.Add(LocationAtId(Location, 0, 1, -1));
if (CanNavigate(LocationAtId(Location, 0, -1, 0)) && CanNavigate(LocationAtId(Location, 0, 0, -1)))
neighbors.Add(LocationAtId(Location, 0, -1, -1));
//Z
if (CanNavigate(LocationAtId(Location, 1, 0, 0)) && CanNavigate(LocationAtId(Location, 0, 1, 0)))
neighbors.Add(LocationAtId(Location, 1, 1, 0));
if (CanNavigate(LocationAtId(Location, -1, 0, 0)) && CanNavigate(LocationAtId(Location, 0, 1, 0)))
neighbors.Add(LocationAtId(Location, -1, 1, 0));
if (CanNavigate(LocationAtId(Location, 1, 0, 0)) && CanNavigate(LocationAtId(Location, 0, -1, 0)))
neighbors.Add(LocationAtId(Location, 1, -1, 0));
if (CanNavigate(LocationAtId(Location, -1, 0, 0)) && CanNavigate(LocationAtId(Location, 0, -1, 0)))
neighbors.Add(LocationAtId(Location, -1, -1, 0));
// Note:- The commented code below is just a different way of performing the same operations done above.
// Need to remove the commented code at some point, leaving it in there for now as the Unbound solution
// might needs some time to mature.
// X
/*if (CanNavigate(LocationAtId(x + 1, y, z)) && CanNavigate(LocationAtId(x, y, z + 1)))
neighbors.Add(LocationAtId(x + 1, y, z + 1));
if (CanNavigate(LocationAtId(x - 1, y, z)) && CanNavigate(LocationAtId(x, y, z + 1)))
neighbors.Add(LocationAtId(x - 1, y, z + 1));
if (CanNavigate(LocationAtId(x + 1, y, z)) && CanNavigate(LocationAtId(x, y, z - 1)))
neighbors.Add(LocationAtId(x + 1, y, z - 1));
if (CanNavigate(LocationAtId(x - 1, y, z)) && CanNavigate(LocationAtId(x, y, z - 1)))
neighbors.Add(LocationAtId(x - 1, y, z - 1));
//Y
if (CanNavigate(LocationAtId(x, y + 1, z)) && CanNavigate(LocationAtId(x, y, z + 1)))
neighbors.Add(LocationAtId(x, y + 1, z + 1));
if (CanNavigate(LocationAtId(x, y - 1, z)) && CanNavigate(LocationAtId(x, y, z + 1)))
neighbors.Add(LocationAtId(x, y - 1, z + 1));
if (CanNavigate(LocationAtId(x, y + 1, z)) && CanNavigate(LocationAtId(x, y, z - 1)))
neighbors.Add(LocationAtId(x, y + 1, z - 1));
if (CanNavigate(LocationAtId(x, y - 1, z)) && CanNavigate(LocationAtId(x, y, z - 1)))
neighbors.Add(LocationAtId(x, y - 1, z - 1));
//Z
if (CanNavigate(LocationAtId(x + 1, y, z)) && CanNavigate(LocationAtId(x, y + 1, z)))
neighbors.Add(LocationAtId(x + 1, y + 1, z));
if (CanNavigate(LocationAtId(x - 1, y, z)) && CanNavigate(LocationAtId(x, y + 1, z)))
neighbors.Add(LocationAtId(x - 1, y + 1, z));
if (CanNavigate(LocationAtId(x + 1, y, z)) && CanNavigate(LocationAtId(x, y - 1, z)))
neighbors.Add(LocationAtId(x + 1, y - 1, z));
if (CanNavigate(LocationAtId(x - 1, y, z)) && CanNavigate(LocationAtId(x, y - 1, z)))
neighbors.Add(LocationAtId(x - 1, y - 1, z));*/
return neighbors;
}
