void skelJointsRecorder::updatePlaying(int _mov, bool _loop) {
if(!recording && playing) {
playElapsed += _mov;
if(playElapsed > getRecordLength()) {
if(_loop) {
playElapsed = 0;
} else {
playElapsed = getRecordLength();
}
}
}
}
char* Page::getRecord ( int index ){
int offset = getRecordOffset( index );
int length = getRecordLength( index );
tempStrCounter = length;
memcpy( tempStr, content + offset, sizeof( char ) * length );
tempStr[ length ] = '\0';
return tempStr;
}
//compress a page, used for split page
void Page::adjustPage( ){
int nextFree = 4;
int slotSize = getSlotNumber();
int length, offset;
int counter = getSlotNumber();
int location = 0;
for ( int i = 0; i < slotSize; i ++ )
{
length = getRecordLength( i );
//if the length is -1,it means that this data not in this page
if ( length == -1 ) counter --;
else{
bool flag = 0;
//find a slot with record length of -1,if it succeed, then move the data into this slot
for (int j = location; j < i; j ++ )
if ( getRecordLength( j ) == -1 ) { location = j; flag = 1; break; }
if ( flag == 1 ){
offset = getRecordOffset( i );
memcpy( content + nextFree, content + offset, sizeof( char ) * length );
setRecordOffset( location, nextFree );
setRecordLength( location, length );
setRecordLength( i, -1 );
}
nextFree += length;
}
}
//update free offset and slot number
setSlotNumber( counter );
setFreeOffset( nextFree );
}
//------------------------------------------------------------------------------
// openDatabaseFile() -- creates and opens the database file
//------------------------------------------------------------------------------
bool Database::openDatabaseFile()
{
// Close any old files and set the record length
db->setRecordLength(getRecordLength());
// create keys
ncache = getMaxRecords();
if (rl != nullptr) delete[] rl;
rl = new Key*[ncache];
if (isMessageEnabled(MSG_DEBUG)) {
std::cout << "db = " << this << ", ncache = " << ncache << std::endl;
}
// open the database file
db->open();
return db->isReady();
}
