//------------------------------------------------------------------------------
// nextBar() - steps through the bar count, until we reach our number of bars
// limit.
//------------------------------------------------------------------------------
void ScanGimbal::nextBar()
{
unsigned int nbars = getNumBars();
unsigned int bn = getBarNumber();
if(isOddNumberOfBars()) {
if (nbars == 1) {
setReverseScan( !isReverseScan() );
}
else if (bn >= nbars) {
setReverseScan(true);
setBarNumber(nbars-1);
}
else if (isReverseScan() && bn > 1) {
setBarNumber(getBarNumber()-1);
}
else {
unsigned int newBar = bn;
if (newBar < 1) {
newBar = 1;
}
setBarNumber(newBar+1);
setReverseScan(false);
}
}
else {
setReverseScan(false);
unsigned int newBar = bn + 1;
if (newBar > nbars) newBar = 1;
setBarNumber(newBar);
}
}
void WiimotePipeServerWrapper::openLoggingFile(WiimoteData *remote1,WiimoteData *remote2)
{
if(m_WiimoteCppFileLoggingOn)
{
TCHAR * wiimoteLogfileName = getWiimoteLogfileName();
fp = _wfopen(wiimoteLogfileName,_T("w"));
logWiimoteFileHeader(remote1,remote2,getBeatsPerMinute(),getBeatsPerBar(),getNumBars(),getLeadIn());
}
}
//------------------------------------------------------------------------------
// computeNewBarPos() - computes the beginning or end point of the bar to be scanned
//------------------------------------------------------------------------------
void ScanGimbal::computeNewBarPos(const int bar, const Side side)
{
// Lookup tables
// 1 bar scan
static double table1[2][2] = { { -1, 0 },
{ 1, 0 }
};
// 2 bar scan
static double table2[2][2][2] = {
{ {-1, 0.5f}, {1, 0.5f} },
{ {1, -0.5f}, {-1, -0.5f} }
};
// 3 bar scan
static double table3[3][2][2] = {
{ { -1, 1 }, { 1, 1 } },
{ { 1, 0 }, { -1, 0 } },
{ { -1, -1 }, { 1 , -1 } }
};
// 4 bar scan
static double table4[4][2][2] = {
{ { -1, 1.5f}, { 1, 1.5f} },
{ { 1, 0.5f}, { -1, 0.5f} },
{ { -1, -0.5f}, { 1, -0.5f} },
{ { 1, -1.5f}, { -1, -1.5f} }
};
// Now we determine which table to use, depending on the number of bars
double x = 0.0;
double y = 0.0;
// now we draw the Unitless numbers from the tables
unsigned int nb = getNumBars();
if (nb == 1) {
x = table1[side][0];
y = table1[side][1];
}
else if (nb == 2) {
x = table2[bar-1][side][0];
y = table2[bar-1][side][1];
}
else if (nb == 3) {
x = table3[bar-1][side][0];
y = table3[bar-1][side][1];
}
else if (nb == 4) {
x = table4[bar-1][side][0];
y = table4[bar-1][side][1];
}
// swap x values if we are scanning right to left
if (!isLeftToRightScan()) x = -x;
// if we have an odd number of bars and are in the reverse scan sequence swap
// x values on even bar numbers or on bar if only a 1 bar scan
if (nb == 1 && isReverseScan()) {
x = -x;
}
// now turn our Unitless numbers in something we can use
double x1 = x * (0.5 * getScanWidth());
double y1 = y * (getBarSpacing());
// We need to find which mode we are in before computing the start position
if (getScanMode() == HORIZONTAL_BAR_SCAN) {
setScanPos(x1, y1);
}
else {
setScanPos(y1, x1);
}
}
void MidiGrid::notifyListenersOfTimeSignatureChange ()
{
if (listener && listener->timeSignatureChanged (getNumBars(), divDenominator))
{
}
}
