void Vector_Decode( CBitRead &entityBitBuffer, const CSVCMsg_SendTable::sendprop_t *pSendProp, Vector &v )
{
v.x = Float_Decode( entityBitBuffer, pSendProp );
v.y = Float_Decode( entityBitBuffer, pSendProp );
// Don't read in the third component for normals
if ( ( pSendProp->flags() & SPROP_NORMAL ) == 0 )
{
v.z = Float_Decode( entityBitBuffer, pSendProp );
}
else
{
int signbit = entityBitBuffer.ReadOneBit();
float v0v0v1v1 = v.x * v.x + v.y * v.y;
if (v0v0v1v1 < 1.0f)
{
v.z = sqrtf( 1.0f - v0v0v1v1 );
}
else
{
v.z = 0.0f;
}
if (signbit)
{
v.z *= -1.0f;
}
}
}
int64_t decode_int64(CBitRead& entityBitBuffer, const CSVCMsg_SendTable::sendprop_t* pSendProp) {
if(pSendProp->flags() & SPROP_VARINT) {
if(pSendProp->flags() & SPROP_UNSIGNED) {
return (int64_t)entityBitBuffer.ReadVarInt64();
} else {
return entityBitBuffer.ReadSignedVarInt64();
}
} else {
uint32_t highInt = 0;
uint32_t lowInt = 0;
bool bNeg = false;
if(!(pSendProp->flags() & SPROP_UNSIGNED)) {
bNeg = entityBitBuffer.ReadOneBit() != 0;
lowInt = entityBitBuffer.ReadUBitLong(32);
highInt = entityBitBuffer.ReadUBitLong(pSendProp->num_bits() - 32 - 1);
} else {
lowInt = entityBitBuffer.ReadUBitLong(32);
highInt = entityBitBuffer.ReadUBitLong(pSendProp->num_bits() - 32);
}
int64_t temp;
uint32_t* pInt = (uint32_t*)&temp;
*pInt++ = lowInt;
*pInt = highInt;
if(bNeg) {
temp = -temp;
}
return temp;
}
}
void decode_vector_xyz(CBitRead& entityBitBuffer, const CSVCMsg_SendTable::sendprop_t* pSendProp, vector_t& v) {
v.x = decode_float(entityBitBuffer, pSendProp);
v.y = decode_float(entityBitBuffer, pSendProp);
//don't read in the third component for normals
if(0 == (pSendProp->flags() & SPROP_NORMAL)) {
v.z = decode_float(entityBitBuffer, pSendProp);
} else {
int signbit = entityBitBuffer.ReadOneBit();
float v0v0v1v1 = v.x * v.x + v.y * v.y;
if(v0v0v1v1 < 1.0f) {
v.z = sqrtf(1.0f - v0v0v1v1);
} else {
v.z = 0.0f;
}
if(signbit) {
v.z *= -1.0f;
}
}
}
