public Object interpretRecursive(Sprite sprite) {
Object returnValue = 0d;
switch (type) {
case BRACKET:
returnValue = rightChild.interpretRecursive(sprite);
break;
case NUMBER:
returnValue = value;
break;
case OPERATOR:
Operators operator = Operators.getOperatorByValue(value);
returnValue = interpretOperator(operator, sprite);
break;
case FUNCTION:
Functions function = Functions.getFunctionByValue(value);
returnValue = interpretFunction(function, sprite);
break;
case SENSOR:
returnValue = interpretSensor(sprite);
break;
case USER_VARIABLE:
returnValue = interpretUserVariable(sprite);
break;
case USER_LIST:
returnValue = interpretUserList(sprite);
break;
case STRING:
returnValue = value;
break;
case COLLISION_FORMULA:
try {
returnValue = interpretCollision(value);
} catch (Exception exception) {
returnValue = 0d;
Log.e(getClass().getSimpleName(), Log.getStackTraceString(exception));
}
}
return normalizeDegeneratedDoubleValues(returnValue);
}
public int getRequiredResources() {
int resources = Brick.NO_RESOURCES;
if (leftChild != null) {
resources |= leftChild.getRequiredResources();
}
if (rightChild != null) {
resources |= rightChild.getRequiredResources();
}
if (type == ElementType.FUNCTION) {
Functions functions = Functions.getFunctionByValue(value);
switch (functions) {
case ARDUINOANALOG:
case ARDUINODIGITAL:
resources |= Brick.BLUETOOTH_SENSORS_ARDUINO;
break;
case RASPIDIGITAL:
resources |= Brick.SOCKET_RASPI;
break;
}
}
if (type == ElementType.SENSOR) {
Sensors sensor = Sensors.getSensorByValue(value);
switch (sensor) {
case X_ACCELERATION:
case Y_ACCELERATION:
case Z_ACCELERATION:
resources |= Brick.SENSOR_ACCELERATION;
break;
case X_INCLINATION:
case Y_INCLINATION:
resources |= Brick.SENSOR_INCLINATION;
break;
case COMPASS_DIRECTION:
resources |= Brick.SENSOR_COMPASS;
break;
case LATITUDE:
case LONGITUDE:
case LOCATION_ACCURACY:
case ALTITUDE:
resources |= Brick.SENSOR_GPS;
break;
case FACE_DETECTED:
case FACE_SIZE:
case FACE_X_POSITION:
case FACE_Y_POSITION:
resources |= Brick.FACE_DETECTION;
break;
case NXT_SENSOR_1:
case NXT_SENSOR_2:
case NXT_SENSOR_3:
case NXT_SENSOR_4:
resources |= Brick.BLUETOOTH_LEGO_NXT;
break;
case PHIRO_FRONT_LEFT:
case PHIRO_FRONT_RIGHT:
case PHIRO_SIDE_LEFT:
case PHIRO_SIDE_RIGHT:
case PHIRO_BOTTOM_LEFT:
case PHIRO_BOTTOM_RIGHT:
resources |= Brick.BLUETOOTH_PHIRO;
break;
case DRONE_BATTERY_STATUS:
case DRONE_CAMERA_READY:
case DRONE_EMERGENCY_STATE:
case DRONE_FLYING:
case DRONE_INITIALIZED:
case DRONE_NUM_FRAMES:
case DRONE_RECORD_READY:
case DRONE_RECORDING:
case DRONE_USB_ACTIVE:
case DRONE_USB_REMAINING_TIME:
resources |= Brick.ARDRONE_SUPPORT;
break;
case NFC_TAG_ID:
resources |= Brick.NFC_ADAPTER;
break;
default:
}
}
if (type == ElementType.COLLISION_FORMULA) {
resources |= Brick.COLLISION;
}
return resources;
}