void ANIM::ANIM2::read(athena::io::IStreamReader& reader)
{
Header head;
head.read(reader);
evnt = head.evnt;
mainInterval = head.interval;
WordBitmap keyBmp;
keyBmp.read(reader, head.keyBitmapBitCount);
frames.clear();
atUint32 frameAccum = 0;
for (bool bit : keyBmp)
{
if (bit)
frames.push_back(frameAccum);
++frameAccum;
}
reader.seek(8);
bones.clear();
bones.reserve(head.boneChannelCount);
channels.clear();
channels.reserve(head.boneChannelCount);
atUint16 keyframeCount = 0;
for (size_t b=0 ; b<head.boneChannelCount ; ++b)
{
ChannelDesc desc;
desc.read(reader);
bones.emplace_back(desc.id, desc.keyCount2 != 0);
if (desc.keyCount1)
{
channels.emplace_back();
DNAANIM::Channel& chan = channels.back();
chan.type = DNAANIM::Channel::Type::Rotation;
chan.i[0] = desc.initRX;
chan.q[0] = desc.qRX;
chan.i[1] = desc.initRY;
chan.q[1] = desc.qRY;
chan.i[2] = desc.initRZ;
chan.q[2] = desc.qRZ;
}
keyframeCount = std::max(keyframeCount, desc.keyCount1);
if (desc.keyCount2)
{
channels.emplace_back();
DNAANIM::Channel& chan = channels.back();
chan.type = DNAANIM::Channel::Type::Translation;
chan.i[0] = desc.initTX;
chan.q[0] = desc.qTX;
chan.i[1] = desc.initTY;
chan.q[1] = desc.qTY;
chan.i[2] = desc.initTZ;
chan.q[2] = desc.qTZ;
}
}
size_t bsSize = DNAANIM::ComputeBitstreamSize(keyframeCount, channels);
std::unique_ptr<atUint8[]> bsData = reader.readUBytes(bsSize);
DNAANIM::BitstreamReader bsReader;
chanKeys = bsReader.read(bsData.get(), keyframeCount, channels, head.rotDiv, head.translationMult);
}
void ANIM::ANIM2::Enumerate<BigDNA::Read>(typename Read::StreamT& reader) {
Header head;
head.read(reader);
mainInterval = head.interval;
looping = bool(head.looping);
WordBitmap keyBmp;
keyBmp.read(reader, head.keyBitmapBitCount);
frames.clear();
atUint32 frameAccum = 0;
for (bool bit : keyBmp) {
if (bit)
frames.push_back(frameAccum);
++frameAccum;
}
reader.seek(4);
bones.clear();
bones.reserve(head.boneChannelCount);
channels.clear();
channels.reserve(head.boneChannelCount);
atUint16 keyframeCount = 0;
for (size_t b = 0; b < head.boneChannelCount; ++b) {
ChannelDesc desc;
desc.read(reader);
bones.emplace_back(desc.id, std::make_tuple(desc.keyCount1 != 0, desc.keyCount2 != 0, desc.keyCount3 != 0));
if (desc.keyCount1) {
channels.emplace_back();
DNAANIM::Channel& chan = channels.back();
chan.type = DNAANIM::Channel::Type::Rotation;
chan.i[0] = desc.initRX;
chan.q[0] = desc.qRX;
chan.i[1] = desc.initRY;
chan.q[1] = desc.qRY;
chan.i[2] = desc.initRZ;
chan.q[2] = desc.qRZ;
}
keyframeCount = std::max(keyframeCount, desc.keyCount1);
if (desc.keyCount2) {
channels.emplace_back();
DNAANIM::Channel& chan = channels.back();
chan.type = DNAANIM::Channel::Type::Translation;
chan.i[0] = desc.initTX;
chan.q[0] = desc.qTX;
chan.i[1] = desc.initTY;
chan.q[1] = desc.qTY;
chan.i[2] = desc.initTZ;
chan.q[2] = desc.qTZ;
}
keyframeCount = std::max(keyframeCount, desc.keyCount2);
if (desc.keyCount3) {
channels.emplace_back();
DNAANIM::Channel& chan = channels.back();
chan.type = DNAANIM::Channel::Type::Scale;
chan.i[0] = desc.initSX;
chan.q[0] = desc.qSX;
chan.i[1] = desc.initSY;
chan.q[1] = desc.qSY;
chan.i[2] = desc.initSZ;
chan.q[2] = desc.qSZ;
}
keyframeCount = std::max(keyframeCount, desc.keyCount3);
}
size_t bsSize = DNAANIM::ComputeBitstreamSize(keyframeCount, channels);
std::unique_ptr<atUint8[]> bsData = reader.readUBytes(bsSize);
DNAANIM::BitstreamReader bsReader;
chanKeys = bsReader.read(bsData.get(), keyframeCount, channels, head.rotDiv, head.translationMult, head.scaleMult);
}