/**
* Register a class prior to use. This is mandatory before calling {@link
* #requestSimObjectData(Class, int, SimConnectPeriod, boolean)} or {@link
* #unwrap(RecvSimObjectData)} or {@link #setSimObjectData(Object, int)}
*
* @param c class to use
* @param dataDefID force data definition ID
* @return data definition ID (here <code>dataDefID</code>)
* @throws IllegalDataDefinition if the class <code>c</code> contains invalid or non-mappable
* fields
* @throws IOException SimConnect IO Errors
*/
public int registerClass(int dataDefID, Class<?> c) throws IOException, IllegalDataDefinition {
//
// don't do it twice
if (definitionIds.containsKey(c)) {
return definitionIds.get(c).intValue();
}
int fieldAdded = 0;
for (Field f : c.getDeclaredFields()) {
if (f.isAnnotationPresent(FlightSimData.class)) {
// register field
FlightSimData fsd = f.getAnnotation(FlightSimData.class);
String variable = fsd.variable();
String units = fsd.units();
// determinate field simconnect type from its class
SimConnectDataType type = SimConnectDataType.INVALID;
if (f.getType().equals(Float.class) || f.getType().equals(float.class))
type = SimConnectDataType.FLOAT32;
else if (f.getType().equals(Double.class) || f.getType().equals(double.class))
type = SimConnectDataType.FLOAT64;
else if (f.getType().equals(Integer.class) || f.getType().equals(int.class))
type = SimConnectDataType.INT32;
else if (f.getType().equals(Long.class) || f.getType().equals(long.class))
type = SimConnectDataType.INT64;
else if (f.getType().equals(Boolean.class) || f.getType().equals(boolean.class))
type = SimConnectDataType.INT32;
else if (f.getType().equals(Short.class) || f.getType().equals(short.class))
type = SimConnectDataType.INT32;
else if (f.getType().equals(LatLonAlt.class)) type = SimConnectDataType.LATLONALT;
else if (f.getType().equals(XYZ.class)) type = SimConnectDataType.XYZ;
else if (f.getType().equals(Waypoint.class)) type = SimConnectDataType.WAYPOINT;
else if (f.getType().equals(MarkerState.class)) type = SimConnectDataType.MARKERSTATE;
else if (f.getType().equals(String.class)) {
int len = fsd.stringWidth();
switch (len) {
case 8:
type = SimConnectDataType.STRING8;
break;
case 32:
type = SimConnectDataType.STRING32;
break;
case 64:
type = SimConnectDataType.STRING64;
break;
case 128:
type = SimConnectDataType.STRING128;
break;
case 256:
type = SimConnectDataType.STRING256;
break;
case 260:
type = SimConnectDataType.STRING260;
break;
default:
throw new IllegalDataDefinition("Invalid string length (" + len + ")");
}
}
if (type == SimConnectDataType.INVALID) {
throw new IllegalDataDefinition("Invalid field type (" + f.getType().getName() + ")");
}
//
// build simconnect data def
simConnect.addToDataDefinition(dataDefID, variable, units, type);
fieldAdded++;
}
}
// register it if we had something to write
if (fieldAdded > 0) definitionIds.put(c, dataDefID);
return requestID;
}
