/**
* If the local simulation is at the edge of global simulation, we also need to include the extra
* cells to the master (because of hardwall boundaries).
*/
private Cell[][] getFinalCells(Grid grid) {
IntBox mypart = partitions[workerID];
int xstart = 0;
int ystart = 0;
int xend = mypart.xsize() - 1;
int yend = mypart.ysize() - 1;
if (mypart.xmin() == 0) {
xstart -= Grid.EXTRA_CELLS_BEFORE_GRID;
}
if (mypart.xmax() == globalSettings.getGridCellsX() - 1) {
xend += Grid.EXTRA_CELLS_AFTER_GRID;
}
if (mypart.ymin() == 0) {
ystart -= Grid.EXTRA_CELLS_BEFORE_GRID;
}
if (mypart.ymax() == globalSettings.getGridCellsY() - 1) {
yend += Grid.EXTRA_CELLS_AFTER_GRID;
}
Cell[][] finalCells = new Cell[xend - xstart + 1][yend - ystart + 1];
for (int x = xstart; x <= xend; ++x) {
for (int y = ystart; y <= yend; ++y) {
finalCells[x - xstart][y - ystart] = grid.getCell(x, y);
}
}
return finalCells;
}