public int toDOT(FileWriter fr, boolean redColored, int i) throws IOException {
String red, format, val, blue;
int me = i, aux;
if (redColored) {
red = "color=red, style=filled, ";
} else {
red = "";
}
if (value == Integer.MAX_VALUE || value == Integer.MIN_VALUE) {
val = "";
blue = "color=blue, style=filled, ";
} else {
val = "" + value;
blue = "";
}
format = getDOTFormat();
fr.append(me + " [" + red + blue + format + "label=\"" + pos.toString() + " " + val + "\"];\n");
boolean redSon, selected = true;
for (Node son : childs) {
if (selected && son.value == value) {
selected = false;
redSon = true;
} else {
redSon = false;
}
aux = i + 1;
i = son.toDOT(fr, redSon, ++i);
fr.append(me + " -> " + aux + ";\n");
}
return i;
}
/** Return an icon for the gold on tile n, or null otherwise. */
public BufferedImage getGoldIcon(Node n) {
double gold = n.getTile().getGold();
if (gold == Cavern.TASTY_VALUE) return tasty;
gold *= ((double) COIN_SPRITES_PER_ROW * COIN_SPRITES_PER_COL) / Cavern.MAX_GOLD_VALUE;
int spriteIndex = (int) gold;
int rowIndex = spriteIndex / COIN_SPRITES_PER_ROW;
int colIndex = spriteIndex % COIN_SPRITES_PER_ROW;
return coinSheet.getSprite(rowIndex, colIndex);
}
public Position nextMove(
int maxLevel, long level, boolean prune, Integer parentVal, TimeInfo timeInfo) {
if (timeInfo != null) {
timeInfo.update();
}
if (maxLevel == level) {
getHeuristicalValue();
return pos;
}
Position nextPos = pos;
setChilds();
level++;
for (Node child : childs) {
if (prune && pruneBranch(parentVal)) {
return null;
}
if (child.chooseMove(value)) {
child.nextMove(maxLevel, level, prune, value, timeInfo);
nextPos = child.pos;
value = child.value;
}
}
return nextPos;
}