/**
* Returns true if the given power is a member of the displayble powers group, <b>or</b> the
* TurnState is resolved (and orders for all powers can be shown)
*/
public static boolean isDisplayable(final Power power, final MapInfo mapInfo) {
if (mapInfo.getTurnState().isResolved()) {
return true;
}
final Power[] displayedPowers = mapInfo.getDisplayablePowers();
for (int i = 0; i < displayedPowers.length; i++) {
if (displayedPowers[i] == power) {
return true;
}
}
return false;
} // isDisplayable()
/**
* Given a TurnState, determines if any order exists that matches the given Hold order. Returns
* null if no matching Hold order found.
*/
public static Hold findMatchingHold(MapInfo mapInfo, Province src) {
Power[] powers = mapInfo.getDisplayablePowers();
for (int i = 0; i < powers.length; i++) {
List<Orderable> orders = mapInfo.getTurnState().getOrders(powers[i]);
Iterator<Orderable> iter = orders.iterator();
while (iter.hasNext()) {
Orderable o = iter.next();
if (o instanceof Hold && o.getSource().isProvinceEqual(src)) {
return (Hold) o;
}
}
}
return null;
} // findMatchingHold()
/**
* Given a TurnState, determines if any order exists that matches the given Move order. Returns
* null if no matching Move order found.
*/
public static Move findMatchingMove(MapInfo mapInfo, Province src, Province dest) {
Power[] powers = mapInfo.getDisplayablePowers();
for (int i = 0; i < powers.length; i++) {
List<Orderable> orders = mapInfo.getTurnState().getOrders(powers[i]);
Iterator<Orderable> iter = orders.iterator();
while (iter.hasNext()) {
Orderable o = iter.next();
if (o instanceof Move) {
Move mv = (Move) o;
if (mv.getSource().isProvinceEqual(src) && mv.getDest().isProvinceEqual(dest)) {
return mv;
}
}
}
}
return null;
} // findMatchingMove()
/**
* Given a TurnState, determines if the number (if any) of . Support orders that match the given
* Move or Hold order. (use src == dest for Hold orders)
*
* <p>Note that only the displayable powers are used to check the support.
*/
public static int getMatchingSupportCount(MapInfo mapInfo, Province supSrc, Province supDest) {
int count = 0;
Power[] powers = mapInfo.getDisplayablePowers();
for (int i = 0; i < powers.length; i++) {
List<Orderable> orders = mapInfo.getTurnState().getOrders(powers[i]);
Iterator<Orderable> iter = orders.iterator();
while (iter.hasNext()) {
Orderable o = iter.next();
if (o instanceof Support) {
Support sup = (Support) o;
if (sup.getSupportedSrc().isProvinceEqual(supSrc)
&& sup.getSupportedDest().isProvinceEqual(supDest)) {
count++;
}
}
}
}
return count;
} // findMatchingSupports()