public void fillInFlags() {
for (Enumeration<LayoutNode> e = set().elements(); e.hasMoreElements(); ) {
LayoutNode n = e.nextElement();
int[] dirs = new int[n.links().size()];
int x = 0;
for (Integer dirLink : n.links().keySet()) dirs[x++] = dirLink.intValue();
n.setExits(dirs);
if ((dirs.length == 1) && (!n.isFlagged(LayoutFlags.gate))) n.reType(LayoutTypes.leaf);
}
for (Enumeration<LayoutNode> e = set().elements(); e.hasMoreElements(); ) {
LayoutNode n = e.nextElement();
if (n.links().size() == 2) {
LayoutFlags flag = null;
if (n.type() == LayoutTypes.interior)
for (Integer dirLink : n.links().keySet()) {
LayoutNode n2 = n.links().get(dirLink);
if ((n2 != null) && (n2.type() == LayoutTypes.leaf)) flag = LayoutFlags.offleaf;
}
if (flag != null) n.flag(flag);
else {
Enumeration<Integer> dirs = n.links().keys();
Integer lN1 = dirs.nextElement();
Integer lN2 = dirs.nextElement();
if (lN1.intValue() != Directions.getOpDirectionCode(lN2.intValue()))
n.flag(LayoutFlags.corner);
}
} else if ((n.links().size() == 3)
&& (((n.type() == LayoutTypes.street) || (n.type() != LayoutTypes.surround)))) {
boolean allStreet = true;
for (Integer dirLink : n.links().keySet()) {
LayoutNode n2 = n.links().get(dirLink);
if ((n2 == null)
|| ((n2.type() != LayoutTypes.street) && (n2.type() != LayoutTypes.surround)))
allStreet = false;
}
if (allStreet) n.flag(LayoutFlags.tee);
} else if ((n.links().size() == 4)
&& (((n.type() == LayoutTypes.street) || (n.type() != LayoutTypes.surround)))) {
boolean allStreet = true;
for (Integer dirLink : n.links().keySet()) {
LayoutNode n2 = n.links().get(dirLink);
if ((n2 == null)
|| ((n2.type() != LayoutTypes.street) && (n2.type() != LayoutTypes.surround)))
allStreet = false;
}
if (allStreet) n.flag(LayoutFlags.intersection);
}
}
}
public void drawABox(int width, int height) {
LayoutNode n = new DefaultLayoutNode(new long[] {0, 0});
n.flag(LayoutFlags.corner);
for (int y = 0; y < height - 1; y++) {
use(n, LayoutTypes.surround);
LayoutNode nn = getNextNode(n, Directions.NORTH);
if (nn == null) nn = makeNextNode(n, Directions.NORTH);
n.crossLink(nn);
nn.flagRun(LayoutRuns.ns);
n = nn;
}
n.flag(LayoutFlags.corner);
use(n, LayoutTypes.surround);
n = new DefaultLayoutNode(new long[] {width - 1, 0});
n.flag(LayoutFlags.corner);
for (int y = 0; y < height - 1; y++) {
use(n, LayoutTypes.surround);
LayoutNode nn = getNextNode(n, Directions.NORTH);
if (nn == null) nn = makeNextNode(n, Directions.NORTH);
n.crossLink(nn);
nn.flagRun(LayoutRuns.ns);
n = nn;
}
n.flag(LayoutFlags.corner);
use(n, LayoutTypes.surround);
n = getNode(new long[] {0, 0});
n.flag(LayoutFlags.corner);
for (int x = 0; x < width - 1; x++) {
use(n, LayoutTypes.surround);
LayoutNode nn = getNextNode(n, Directions.EAST);
if (nn == null) nn = makeNextNode(n, Directions.EAST);
n.crossLink(nn);
nn.flagRun(LayoutRuns.ns);
n = nn;
}
n.flag(LayoutFlags.corner);
use(n, LayoutTypes.surround);
n = getNode(new long[] {0, -height + 1});
n.flag(LayoutFlags.corner);
for (int x = 0; x < width - 1; x++) {
use(n, LayoutTypes.surround);
LayoutNode nn = getNextNode(n, Directions.EAST);
if (nn == null) nn = makeNextNode(n, Directions.EAST);
n.crossLink(nn);
nn.flagRun(LayoutRuns.ns);
n = nn;
}
n.flag(LayoutFlags.corner);
use(n, LayoutTypes.surround);
}