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package unsw.blackout;
import unsw.utils.Angle;
import unsw.utils.MathsHelper;
public abstract class SatelliteBase extends EntityBase {
/**
* SatelliteBase is an abstract class containing common functionality between satellites.
*/
public SatelliteBase(String satelliteID, double height, Angle position) {
super(satelliteID, position, height);
}
/**
* Returns true if the device type is supported, false otherwise.
*/
protected abstract boolean isSupportedDeviceType(String type);
@ Override
final protected boolean isSupportedEntity(EntityBase entity) {
if (entity instanceof SatelliteBase) {
return true;
}
return this.isSupportedDeviceType(entity.getClass().getSimpleName());
}
/**
* Helper function to differentiate between devices and satellite distance calls.
*/
final private double getEntityDistance(EntityBase entity) {
if (entity instanceof SatelliteBase) {
return MathsHelper.getDistance(this.getHeight(), this.getAngle(), entity.getHeight(), entity.getAngle());
}
return MathsHelper.getDistance(this.getHeight(), this.getAngle(), entity.getAngle());
}
/**
* Helper function to differentiate between devices and satellite visibility calls.
*/
final private boolean isEntityVisible(EntityBase entity) {
if (entity instanceof SatelliteBase) {
return MathsHelper.isVisible(this.getHeight(), this.getAngle(), entity.getHeight(), entity.getAngle());
}
return MathsHelper.isVisible(this.getHeight(), this.getAngle(), entity.getAngle());
}
@ Override
final protected boolean isPhysicallyReachable(EntityBase entity) {
if (!this.isEntityVisible(entity)) {
return false;
}
if (this.getEntityDistance(entity) > this.getRange()) {
return false;
}
return true;
}
}
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