const VarCharType& VarCharType::InstanceInternal(const std::size_t length) {
static PtrMap<size_t, VarCharType> instance_map;
PtrMap<size_t, VarCharType>::iterator imit = instance_map.find(length);
if (imit == instance_map.end()) {
imit = instance_map.insert(length, new VarCharType(length, nullable_internal)).first;
}
return *(imit->second);
}
/**
* @brief Get a reference to the singleton instance of this Operation.
*
* @param target_type The target type to coerce input values to.
* @return A reference to the singleton instance of this Operation.
**/
static const NumericCastOperation& Instance(const Type &target_type) {
static PtrMap<const Type*, NumericCastOperation> instance_map;
PtrMap<const Type*, NumericCastOperation>::iterator instance_map_it =
instance_map.find(&target_type);
if (instance_map_it == instance_map.end()) {
instance_map_it = instance_map.insert(&target_type,
new NumericCastOperation(target_type)).first;
}
return *(instance_map_it->second);
}
// Remove all references to objects belonging to a given cell
void removeCell(const MWWorld::Ptr::CellStore *cell)
{
PtrMap::iterator it2, it = sounds.begin();
while(it != sounds.end())
{
// Make sure to increase the iterator before we erase it.
it2 = it++;
if(it2->first.getCell() == cell)
clearAll(it2);
}
}
void updatePositions(MWWorld::Ptr ptr)
{
// Find the reference (if any)
PtrMap::iterator it = sounds.find(ptr);
if(it != sounds.end())
{
// Then find all sounds in it (if any)
IDMap::iterator it2 = it->second.begin();
for(;it2 != it->second.end(); it2++)
{
// Get the sound (if it still exists)
SoundPtr snd = it2->second.lock();
if(snd)
// Update position
setPos(snd, ptr);
}
}
}
bool isPlaying(MWWorld::Ptr ptr, const std::string &id) const
{
PtrMap::const_iterator it = sounds.find(ptr);
if(it != sounds.end())
{
IDMap::const_iterator it2 = it->second.find(id);
if(it2 != it->second.end())
{
// Get a shared_ptr from the weak_ptr
SoundPtr snd = it2->second.lock();;
// Is it still alive?
if(snd)
{
// Then return its status!
return snd->isPlaying();
}
}
}
// Nothing found, sound is not playing
return false;
}
// Stop a sound and remove it from the list. If id="" then
// remove the entire object and stop all its sounds.
void remove(MWWorld::Ptr ptr, const std::string &id = "")
{
PtrMap::iterator it = sounds.find(ptr);
if(it != sounds.end())
{
if(id == "")
// Kill all references to 'ptr'
clearAll(it);
else
{
// Only find the id we're looking for
IDMap::iterator it2 = it->second.find(id);
if(it2 != it->second.end())
{
// Stop the sound and remove it from the list
SoundPtr snd = it2->second.lock();
if(snd) snd->stop();
it->second.erase(it2);
}
}
}
}