isle-portable/LEGO1/mxmusicmanager.cpp
Christian Semmler fb0d1ccb62
Implement/match MxLoopingMIDIPresenter (#302)
* Implement/match MxLoopingMIDIPresenter

* Move declarations
2023-11-25 13:26:44 -05:00

162 lines
3 KiB
C++

#include "mxmusicmanager.h"
#include "mxomni.h"
#include "mxticklemanager.h"
#include <windows.h>
DECOMP_SIZE_ASSERT(MxMusicManager, 0x58);
// OFFSET: LEGO1 0x100c05a0
MxMusicManager::MxMusicManager()
{
Init();
}
// OFFSET: LEGO1 0x100c0630
MxMusicManager::~MxMusicManager()
{
Destroy(TRUE);
}
// OFFSET: LEGO1 0x100c0690
void MxMusicManager::Init()
{
m_multiplier = 100;
InitData();
}
// OFFSET: LEGO1 0x100c06a0
void MxMusicManager::InitData()
{
m_MIDIStreamH = 0;
m_MIDIInitialized = FALSE;
m_unk38 = 0;
m_unk3c = 0;
m_unk40 = 0;
m_unk44 = 0;
m_unk48 = 0;
m_MIDIHdrP = NULL;
}
// OFFSET: LEGO1 0x100c06c0
void MxMusicManager::Destroy(MxBool p_fromDestructor)
{
if (m_thread) {
m_thread->Terminate();
if (m_thread) {
delete m_thread;
}
}
else {
TickleManager()->UnregisterClient(this);
}
m_criticalSection.Enter();
DeinitializeMIDI();
Init();
m_criticalSection.Leave();
if (!p_fromDestructor) {
MxAudioManager::Destroy();
}
}
// OFFSET: LEGO1 0x100c07f0
void MxMusicManager::SetMIDIVolume()
{
MxS32 result = (m_volume * m_multiplier) / 0x64;
HMIDISTRM streamHandle = m_MIDIStreamH;
if (streamHandle) {
MxS32 volume = CalculateVolume(result);
midiOutSetVolume((HMIDIOUT) streamHandle, volume);
}
}
// OFFSET: LEGO1 0x100c0840
MxResult MxMusicManager::Create(MxU32 p_frequencyMS, MxBool p_createThread)
{
MxResult status = FAILURE;
MxBool locked = FALSE;
if (MxAudioManager::InitPresenters() == SUCCESS) {
if (p_createThread) {
m_criticalSection.Enter();
locked = TRUE;
m_thread = new MxTickleThread(this, p_frequencyMS);
if (!m_thread || m_thread->Start(0, 0) != SUCCESS)
goto done;
}
else
TickleManager()->RegisterClient(this, p_frequencyMS);
status = SUCCESS;
}
done:
if (status != SUCCESS)
Destroy();
if (locked)
m_criticalSection.Leave();
return status;
}
// OFFSET: LEGO1 0x100c0930
void MxMusicManager::Destroy()
{
Destroy(FALSE);
}
// OFFSET: LEGO1 0x100c0940
void MxMusicManager::SetVolume(MxS32 p_volume)
{
MxAudioManager::SetVolume(p_volume);
m_criticalSection.Enter();
SetMIDIVolume();
m_criticalSection.Leave();
}
// OFFSET: LEGO1 0x100c0970
void MxMusicManager::SetMultiplier(MxS32 p_multiplier)
{
m_criticalSection.Enter();
m_multiplier = p_multiplier;
SetMIDIVolume();
m_criticalSection.Leave();
}
// OFFSET: LEGO1 0x100c09a0
MxS32 MxMusicManager::CalculateVolume(MxS32 p_volume)
{
MxS32 result = (p_volume * 0xffff) / 100;
return (result << 0x10) | result;
}
// OFFSET: LEGO1 0x100c09c0 STUB
undefined4 MxMusicManager::FUN_100c09c0(MxU8* p_data, MxS32 p_loopCount)
{
// TODO
return 0;
}
// OFFSET: LEGO1 0x100c0b20
void MxMusicManager::DeinitializeMIDI()
{
m_criticalSection.Enter();
if (m_MIDIInitialized) {
m_MIDIInitialized = FALSE;
midiStreamStop(m_MIDIStreamH);
midiOutUnprepareHeader((HMIDIOUT) m_MIDIStreamH, m_MIDIHdrP, sizeof(MIDIHDR));
midiOutSetVolume((HMIDIOUT) m_MIDIStreamH, m_MIDIVolume);
midiStreamClose(m_MIDIStreamH);
delete m_MIDIHdrP;
InitData();
}
m_criticalSection.Leave();
}