Method GenerateAllSoundData

source/MockingboardCardManager.cpp:308–388

}

UINT MockingboardCardManager::GenerateAllSoundData(void)
{
	UINT nNumSamples = 0;

	for (UINT slot = SLOT0; slot < NUM_SLOTS; slot++)
	{
		if (!IsMockingboard(slot))
			continue;

		MockingboardCard& MB = dynamic_cast<MockingboardCard&>(GetCardMgr().GetRef(slot));

		MB.SetNumSamplesError(m_numSamplesError);
		nNumSamples = MB.MB_Update();
		m_numSamplesError = MB.GetNumSamplesError();
	}

	//

	DWORD dwCurrentPlayCursor, dwCurrentWriteCursor;
	HRESULT hr = m_mockingboardVoice.lpDSBvoice->GetCurrentPosition(&dwCurrentPlayCursor, &dwCurrentWriteCursor);
	if (FAILED(hr))
		return 0;

	if (m_byteOffset == (uint32_t)-1)
	{
		// First time in this func

		m_byteOffset = dwCurrentWriteCursor;
	}
	else
	{
		// Check that our offset isn't between Play & Write positions

		if (dwCurrentWriteCursor > dwCurrentPlayCursor)
		{
			// |-----PxxxxxW-----|
			if ((m_byteOffset > dwCurrentPlayCursor) && (m_byteOffset < dwCurrentWriteCursor))
			{
#ifdef DBG_MB_UPDATE
				double fTicksSecs = (double)GetTickCount() / 1000.0;
				LogOutput("%010.3f: [MBUpdt]    PC=%08X, WC=%08X, Diff=%08X, Off=%08X, NS=%08X xxx\n", fTicksSecs, dwCurrentPlayCursor, dwCurrentWriteCursor, dwCurrentWriteCursor - dwCurrentPlayCursor, dwByteOffset, nNumSamples);
#endif
				m_byteOffset = dwCurrentWriteCursor;
				m_numSamplesError = 0;
			}
		}
		else
		{
			// |xxW----------Pxxx|
			if ((m_byteOffset > dwCurrentPlayCursor) || (m_byteOffset < dwCurrentWriteCursor))
			{
#ifdef DBG_MB_UPDATE
				double fTicksSecs = (double)GetTickCount() / 1000.0;
				LogOutput("%010.3f: [MBUpdt]    PC=%08X, WC=%08X, Diff=%08X, Off=%08X, NS=%08X XXX\n", fTicksSecs, dwCurrentPlayCursor, dwCurrentWriteCursor, dwCurrentWriteCursor - dwCurrentPlayCursor, dwByteOffset, nNumSamples);
#endif
				m_byteOffset = dwCurrentWriteCursor;
				m_numSamplesError = 0;
			}