/**
* Invoked when a mouse button was pressed.
*
* @param e The MouseEvent that holds all the information.
*/
@Override
public void mousePressed(MouseEvent e) {
if (!e.getComponent().isEnabled()) return;
int me = e.getButton();
if (e.isPopupTrigger()) me = MouseEvent.BUTTON3;
Tile tile = canvas.convertToMapTile(e.getX(), e.getY());
switch (me) {
case MouseEvent.BUTTON1:
// Record initial click point for purposes of dragging
canvas.setDragPoint(e.getX(), e.getY());
if (canvas.isGotoStarted()) {
PathNode path = canvas.getGotoPath();
if (path != null) {
canvas.stopGoto();
// Move the unit
freeColClient
.getInGameController()
.goToTile(canvas.getActiveUnit(), path.getLastNode().getTile());
}
} else if (doubleClickTimer.isRunning()) {
doubleClickTimer.stop();
} else {
centerX = e.getX();
centerY = e.getY();
doubleClickTimer.start();
}
canvas.requestFocus();
break;
case MouseEvent.BUTTON2:
if (tile != null) {
Unit unit = canvas.getActiveUnit();
if (unit != null && unit.getTile() != tile) {
PathNode dragPath = unit.findPath(tile);
canvas.startGoto();
canvas.setGotoPath(dragPath);
}
}
break;
case MouseEvent.BUTTON3:
// Cancel goto if one is active
if (canvas.isGotoStarted()) canvas.stopGoto();
canvas.showTilePopup(tile, e.getX(), e.getY());
break;
default:
break;
}
}
/**
* Find a suitable cash in location for this unit.
*
* @param aiUnit The <code>AIUnit</code> to execute this mission.
* @param range The maximum number of moves to search.
* @param deferOK Enables deferring to a fallback colony.
* @return A <code>PathNode</code> to the target, or null if not found which includes the case
* when Europe should be preferred (because the unit can not get there by itself).
*/
private static PathNode findTargetPath(AIUnit aiUnit, int range, boolean deferOK) {
if (invalidAIUnitReason(aiUnit) != null) return null;
final Unit unit = aiUnit.getUnit();
final Location start = unit.getPathStartLocation();
final Player player = unit.getOwner();
final Europe europe = player.getEurope();
final Unit carrier = unit.getCarrier();
final CostDecider standardCd = CostDeciders.avoidSettlementsAndBlockingUnits();
PathNode path;
if (player.getNumberOfSettlements() <= 0 || start == null) {
// No settlements or not on the map, so go straight to
// Europe. If Europe does not exist then this mission is
// doomed.
return (europe == null)
? null
: unit.findPath(unit.getLocation(), europe, carrier, standardCd);
}
// Can the unit get to a cash in site?
return unit.search(start, getGoalDecider(aiUnit, deferOK), standardCd, range, carrier);
}
