/**
* Sets an LDM product-identifier from a GRIB message.
*
* Not Atomic,
* Idempotent,
* Thread-safe
*
* @param[out] ident Product-identifier buffer.
* @param[in] identSize Size of product-identifier buffer in bytes.
* @param[in] decoded Decoded GRIB message.
* @param[in] wmoHead WMO header associated with the GRIB message.
* @retval 0 Success. \c *ident is set.
* @retval 1 GRIB message has no data.
* @retval 3 System error.
*/
static int setIdent(
char* const ident,
const size_t identSize,
DecodedGrib2Msg* const decoded,
const char* const wmoHead)
{
const size_t numFields = g2d_getNumFields(decoded);
int status;
if (0 == numFields) {
log_add("GRIB message has no fields");
status = 1;
}
else {
StringBuf* const prods = strBuf_new(127); /* initially empty */
if (NULL == prods) {
log_add_syserr("Couldn't allocate string-buffer for products");
log_flush_error();
status = 3;
}
else {
Gribmsg gribMsg;
Geminfo gemInfo;
int modelId;
status = appendParameterNames(prods, decoded, &gribMsg, &gemInfo);
if (0 == status) {
status = getModelId(decoded, &modelId);
if (0 == status)
composeIdent(ident, identSize, decoded, &gribMsg, &gemInfo,
prods, wmoHead, modelId);
}
strBuf_free(prods);
} /* "prods" allocated */
} /* numFields > 0 */
return status;
}
Enemy::Enemy(GameScene& scene,
gr::real_t speed,
std::size_t id,
const Path& path,
const LayerDatas& datas,
Listener* listener)
: _polygons(),
_speed(speed),
_id(id),
_scene(scene),
_pathPoint(path.getStart()),
_listener(listener)
{
ASSERT(_id != 0, "Unit requires non-zero model id.");
for (unsigned short i = 0; i < datas.size(); ++i)
{
Polygon polygon(_scene,
getModelId(_id, i),
datas[i].type,
datas[i].hp);
AnimatedPolygon animatedPolygon
(
scene,
std::move(polygon),
NormalAnimator
{
1.0f / gr::real_t(1 + i),
(i % 2 == 0 ? HALF_PI : -HALF_PI)
}
);
_polygons.push_back(std::move(animatedPolygon));
}
}