// add tiles adjacent to a given tile to the open list
public void addAdjacentTilesToOpenList(Tile theTile) {
if (theTile == null) {
return;
}
int row = theTile.getRow();
int col = theTile.getColumn();
// Since we're working with an isometric grid, the north and south adjacent tiles are going to
// have greater
// row values in order to preserve the projection angle.
addTile(
tiles.get((row - 2) + "-" + col),
theTile,
GameConstants.CONST_MOVEMENT_COST_ORTHOGONAL); // north
addTile(
tiles.get((row - 1) + "-" + (col - 1)),
theTile,
GameConstants.CONST_MOVEMENT_COST_DIAGONAL); // north-west
addTile(
tiles.get(row + "-" + (col - 1)),
theTile,
GameConstants.CONST_MOVEMENT_COST_ORTHOGONAL); // west
addTile(
tiles.get((row + 1) + "-" + (col - 1)),
theTile,
GameConstants.CONST_MOVEMENT_COST_DIAGONAL); // south-west
addTile(
tiles.get((row + 2) + "-" + col),
theTile,
GameConstants.CONST_MOVEMENT_COST_ORTHOGONAL); // south
addTile(
tiles.get((row + 1) + "-" + (col + 1)),
theTile,
GameConstants.CONST_MOVEMENT_COST_DIAGONAL); // south-east
addTile(
tiles.get(row + "-" + (col + 1)),
theTile,
GameConstants.CONST_MOVEMENT_COST_ORTHOGONAL); // east
addTile(
tiles.get((row - 1) + "-" + (col + 1)),
theTile,
GameConstants.CONST_MOVEMENT_COST_DIAGONAL); // north-east
}