/**
* All build options require that appropriate units are built in appropriate places (e.g., armies
* can't go in the water, fleets can't go in landlocked provinces, fleets must have coasts
* specified if required, etc.). This method takes care of that.
*
* <p>returns false if we cannot build here.
*/
private boolean checkBuildUnit(
StateInfo stateInfo, Province province, Location loc, StringBuffer sb) {
if (srcUnitType == null) {
sb.append(Utils.getLocalString(NOBUILD_NO_UNIT_SELECTED));
return false;
}
if (srcUnitType.equals(Unit.Type.ARMY)) {
if (province.isSea()) {
sb.append(Utils.getLocalString(NOBUILD_NO_ARMY_IN_SEA));
return false;
} else {
// check borders
if (!GUIOrderUtils.checkBorder(this, loc, srcUnitType, stateInfo.getPhase(), sb)) {
return false;
}
sb.append(Utils.getLocalString(BUILD_ARMY_OK));
return true;
}
} else if (srcUnitType.equals(Unit.Type.FLEET)) {
if (province.isLandLocked()) {
sb.append(Utils.getLocalString(NOBUILD_FLEET_LANDLOCKED));
return false;
} else {
// check borders
if (!GUIOrderUtils.checkBorder(this, loc, srcUnitType, stateInfo.getPhase(), sb)) {
return false;
}
sb.append(Utils.getLocalString(BUILD_FLEET_OK));
return true;
}
} else if (srcUnitType.equals(Unit.Type.WING)) {
// check borders
if (!GUIOrderUtils.checkBorder(this, loc, srcUnitType, stateInfo.getPhase(), sb)) {
return false;
}
sb.append(Utils.getLocalString(BUILD_WING_OK));
return true;
}
// this should not occur.
sb.append("** Unknown unit type! **");
return false;
} // checkBuildUnit()
