void CSfxModel::SetFrame(float currentFrame)
{
if (currentFrame == m_currentFrame
|| currentFrame < 0.0f)
return;
if (currentFrame < m_currentFrame)
{
CPtrArray<Particle>* particles;
int j;
for (int i = 0; i < m_particles.GetSize(); i++)
{
particles = m_particles[i];
if (particles)
{
for (j = 0; j < particles->GetSize(); j++)
Delete(particles->GetAt(j));
particles->RemoveAll();
}
}
m_currentFrame = -0.5f;
}
while (currentFrame > m_currentFrame)
{
if (!_nextFrame())
break;
}
if (m_currentFrame < 0.0f)
m_currentFrame = 0.0f;
}
PacketStreamReader::FrameInfo PacketStreamReader::NextFrame(PacketStreamSourceId src, SyncTime *sync)
{
Lock(); //we cannot use a scoped lock here, because we may not want to release the lock, depending on what we find.
try
{
while (1)
{
auto fi = _nextFrame();
if (!fi) {
// Nothing left in stream
Unlock();
return fi;
} else {
// So we have accurate sequence numbers for frames.
++_next_packet_framenum[fi.src];
if (_stream.seekable())
{
if (!_index.has(fi.src, fi.sequence_num)) {
// If it's not in the index for some reason, add it.
_index.add(fi.src, fi.sequence_num, fi.frame_streampos);
} else if (_index.position(fi.src, fi.sequence_num) != fi.frame_streampos) {
PANGO_ENSURE(_index.position(fi.src, fi.sequence_num) == fi.packet_streampos);
static bool warned_already = false;
if(!warned_already) {
pango_print_warn("CAUTION: Old .pango files do not update frame_properties on seek.\n");
warned_already = true;
}
}
}
_stream.data_len(fi.size); //now we are positioned on packet data for n characters.
}
if (sync) {
//if we are doing timesync, wait, even if it's not our packet.
WaitForTimeSync(*sync, fi.time);
}
//if it's ours, return it and don't release lock
if (fi.src == src) {
return _stream.readFrameHeader(*this);
}
//otherwise skip it and get the next one.
_stream.skip(fi.size);
}
}
catch (std::exception &e) {
// Since we are not using a scoped lock, we must catch and release.
Unlock();
throw e;
}
catch (...) {
// We will always release, even if we cannot identify the exception.
Unlock();
throw std::runtime_error("Caught an unknown exception");
}
}
void CSfxModel::MoveFrame()
{
if (!_nextFrame())
m_currentFrame = -0.5f;
}