finish MusicManager (#453)

* finish MusicManager

* Fixes/improvements

---------

Co-authored-by: Christian Semmler <mail@csemmler.com>

LEGO1/lego/legoomni/src/video/legometerpresenter.cpp

@@ -8,7 +8,7 @@ DECOMP_SIZE_ASSERT(LegoMeterPresenter, 0x94)
 
 // GLOBAL: LEGO1 0x1010207c
 // STRING: LEGO1 0x10101fb4
-const char* g_filterIndex = "FILTER_INDEX";
+const char* g_filterIndex = "FILLER_INDEX";
 
 // GLOBAL: LEGO1 0x10102094
 // STRING: LEGO1 0x10101f70

LEGO1/omni/include/mxmusicmanager.h

@@ -4,6 +4,8 @@
 #include "decomp.h"
 #include "mxaudiomanager.h"
 
+#include <windows.h>
+
 // VTABLE: LEGO1 0x100dc930
 // SIZE 0x58
 class MxMusicManager : public MxAudioManager {
@@ -16,9 +18,17 @@ class MxMusicManager : public MxAudioManager {
 	virtual MxResult Create(MxU32 p_frequencyMS, MxBool p_createThread); // vtable+30
 
 	inline MxBool GetMIDIInitialized() { return m_midiInitialized; }
+	inline void GetMIDIVolume(DWORD& p_volume)
+	{
+		if (midiOutGetVolume((HMIDIOUT) m_midiStreamH, &p_volume)) {
+			p_volume = CalculateVolume(100);
+		}
+	}
 
+	MxResult ResetStream();
+	void ResetBuffer();
+	undefined4 InitializeMIDI(MxU8* p_data, MxS32 p_loopCount);
 	void DeinitializeMIDI();
-	undefined4 FUN_100c09c0(MxU8* p_data, MxS32 p_loopCount);
 	void SetMultiplier(MxS32 p_multiplier);
 
 private:
@@ -27,16 +37,19 @@ class MxMusicManager : public MxAudioManager {
 	MxS32 CalculateVolume(MxS32 p_volume);
 	void SetMIDIVolume();
 
-	HMIDISTRM m_midiStreamH;  // 0x30
+	static void CALLBACK
-	MxBool m_midiInitialized; // 0x34
+	MidiCallbackProc(HMIDIOUT p_hmo, UINT p_wMsg, DWORD_PTR p_dwInstance, DWORD_PTR p_dwParam1, DWORD_PTR p_dwParam2);
-	undefined4 m_unk0x38;     // 0x38
+
-	undefined4 m_unk0x3c;     // 0x3c
+	HMIDISTRM m_midiStreamH;     // 0x30
-	undefined4 m_unk0x40;     // 0x40
+	MxBool m_midiInitialized;    // 0x34
-	undefined4 m_unk0x44;     // 0x44
+	MxU32 m_bufferSize;          // 0x38
-	undefined4 m_unk0x48;     // 0x48
+	MxU32 m_bufferCurrentSize;   // 0x3c
-	MIDIHDR* m_midiHdrP;      // 0x4c
+	MxU8* m_bufferOffset;        // 0x40
-	MxS32 m_multiplier;       // 0x50
+	MxU8* m_bufferCurrentOffset; // 0x44
-	DWORD m_midiVolume;       // 0x54
+	MxU32 m_loopCount;           // 0x48
+	MIDIHDR* m_midiHdrP;         // 0x4c
+	MxS32 m_multiplier;          // 0x50
+	DWORD m_midiVolume;          // 0x54
 
 	// SYNTHETIC: LEGO1 0x100c0610
 	// MxMusicManager::`scalar deleting destructor'

LEGO1/omni/include/mxstreamcontroller.h

@@ -118,4 +118,7 @@ class MxStreamController : public MxCore {
 // TEMPLATE: LEGO1 0x100c1240
 // List<MxNextActionDataStart *>::~List<MxNextActionDataStart *>
 
+// TEMPLATE: LEGO1 0x100c1bc0
+// list<MxDSAction *,allocator<MxDSAction *> >::insert
+
 #endif // MXSTREAMCONTROLLER_H

LEGO1/omni/src/audio/mxloopingmidipresenter.cpp

@@ -40,7 +40,7 @@ MxResult MxLoopingMIDIPresenter::PutData()
 
 	if (m_currentTickleState == e_streaming && m_chunk && !MusicManager()->GetMIDIInitialized()) {
 		SetVolume(((MxDSSound*) m_action)->GetVolume());
-		MusicManager()->FUN_100c09c0(m_chunk->GetData(), !m_action->GetLoopCount() ? -1 : m_action->GetLoopCount());
+		MusicManager()->InitializeMIDI(m_chunk->GetData(), !m_action->GetLoopCount() ? -1 : m_action->GetLoopCount());
 	}
 
 	m_criticalSection.Leave();

LEGO1/omni/src/audio/mxmidipresenter.cpp

@@ -95,7 +95,7 @@ MxResult MxMIDIPresenter::PutData()
 	if (m_currentTickleState == e_streaming && m_chunk && !MusicManager()->GetMIDIInitialized()) {
 		SetVolume(((MxDSSound*) m_action)->GetVolume());
 
-		if (MusicManager()->FUN_100c09c0(m_chunk->GetData(), 1))
+		if (MusicManager()->InitializeMIDI(m_chunk->GetData(), 1))
 			EndAction();
 	}
 

LEGO1/omni/src/audio/mxmusicmanager.cpp

@@ -31,11 +31,11 @@ void MxMusicManager::InitData()
 {
 	m_midiStreamH = 0;
 	m_midiInitialized = FALSE;
-	m_unk0x38 = 0;
+	m_bufferSize = 0;
-	m_unk0x3c = 0;
+	m_bufferCurrentSize = 0;
-	m_unk0x40 = 0;
+	m_bufferOffset = 0;
-	m_unk0x44 = 0;
+	m_bufferCurrentOffset = 0;
-	m_unk0x48 = 0;
+	m_loopCount = 0;
 	m_midiHdrP = NULL;
 }
 
@@ -62,6 +62,60 @@ void MxMusicManager::Destroy(MxBool p_fromDestructor)
 	}
 }
 
+// FUNCTION: LEGO1 0x100c0720
+MxResult MxMusicManager::ResetStream()
+{
+	MxResult result = FAILURE;
+
+	if (m_midiInitialized) {
+		if (m_bufferCurrentSize == 0) {
+			if (m_loopCount != -1) {
+				m_loopCount += -1;
+
+				if (!m_loopCount) {
+					DeinitializeMIDI();
+					goto done;
+				}
+			}
+
+			ResetBuffer();
+		}
+
+		if (m_midiHdrP->dwFlags & (MHDR_DONE | MHDR_PREPARED)) {
+			if (midiOutUnprepareHeader((HMIDIOUT) m_midiStreamH, m_midiHdrP, sizeof(MIDIHDR)) != MMSYSERR_NOERROR)
+				goto done;
+
+			memset(m_midiHdrP, 0, sizeof(MIDIHDR));
+		}
+
+		m_bufferCurrentOffset += 4;
+		DWORD length = *((DWORD*) m_bufferCurrentOffset);
+		m_bufferCurrentOffset += sizeof(DWORD);
+
+		m_midiHdrP->lpData = (LPSTR) m_bufferCurrentOffset;
+		m_midiHdrP->dwBufferLength = length;
+		m_midiHdrP->dwBytesRecorded = length;
+
+		if (!midiOutPrepareHeader((HMIDIOUT) m_midiStreamH, m_midiHdrP, sizeof(MIDIHDR))) {
+			if (!midiStreamOut(m_midiStreamH, m_midiHdrP, sizeof(MIDIHDR))) {
+				result = SUCCESS;
+				m_bufferCurrentOffset += length;
+				m_bufferCurrentSize--;
+			}
+		}
+	}
+
+done:
+	return result;
+}
+
+// FUNCTION: LEGO1 0x100c07e0
+void MxMusicManager::ResetBuffer()
+{
+	m_bufferCurrentOffset = m_bufferOffset;
+	m_bufferCurrentSize = m_bufferSize;
+}
+
 // FUNCTION: LEGO1 0x100c07f0
 void MxMusicManager::SetMIDIVolume()
 {
@@ -74,6 +128,19 @@ void MxMusicManager::SetMIDIVolume()
 	}
 }
 
+// FUNCTION: LEGO1 0x100c0820
+void CALLBACK MxMusicManager::MidiCallbackProc(
+	HMIDIOUT p_hmo,
+	UINT p_wMsg,
+	DWORD_PTR p_dwInstance,
+	DWORD_PTR p_dwParam1,
+	DWORD_PTR p_dwParam2
+)
+{
+	if (p_wMsg == MOM_DONE)
+		((MxMusicManager*) p_dwInstance)->ResetStream();
+}
+
 // FUNCTION: LEGO1 0x100c0840
 MxResult MxMusicManager::Create(MxU32 p_frequencyMS, MxBool p_createThread)
 {
@@ -136,11 +203,68 @@ MxS32 MxMusicManager::CalculateVolume(MxS32 p_volume)
 	return (result << 0x10) | result;
 }
 
-// STUB: LEGO1 0x100c09c0
+// FUNCTION: LEGO1 0x100c09c0
-undefined4 MxMusicManager::FUN_100c09c0(MxU8* p_data, MxS32 p_loopCount)
+undefined4 MxMusicManager::InitializeMIDI(MxU8* p_data, MxS32 p_loopCount)
 {
-	// TODO
+	MxResult result = FAILURE;
-	return 0;
+
+	m_criticalSection.Enter();
+
+	if (!m_midiInitialized) {
+		MxU32 total = midiOutGetNumDevs();
+		MxU32 device = 0;
+
+		for (; device < total; device++) {
+			MIDIOUTCAPSA caps;
+			midiOutGetDevCapsA(device, &caps, sizeof(MIDIOUTCAPSA));
+			if (caps.wTechnology == MOD_FMSYNTH)
+				break;
+		}
+
+		if (device >= total)
+			device = -1;
+
+		if (midiStreamOpen(&m_midiStreamH, &device, 1, (DWORD) MidiCallbackProc, (DWORD) this, CALLBACK_FUNCTION) !=
+			MMSYSERR_NOERROR)
+			goto done;
+
+		GetMIDIVolume(m_midiVolume);
+
+		m_midiHdrP = new MIDIHDR();
+		if (!m_midiHdrP)
+			goto done;
+
+		memset(m_midiHdrP, 0, sizeof(MIDIHDR));
+
+		MIDIPROPTIMEDIV timediv;
+		timediv.cbStruct = 8;
+		m_bufferOffset = p_data;
+		m_bufferOffset += 0x14;
+		timediv.dwTimeDiv = *((DWORD*) m_bufferOffset);
+
+		if (midiStreamProperty(m_midiStreamH, (LPBYTE) &timediv, MIDIPROP_SET | MIDIPROP_TIMEDIV) != MMSYSERR_NOERROR)
+			goto done;
+
+		m_bufferOffset += 0x14;
+		m_bufferSize = *((MxU32*) m_bufferOffset);
+		m_bufferOffset += sizeof(MxU32);
+		m_loopCount = p_loopCount;
+		m_midiInitialized = TRUE;
+
+		ResetBuffer();
+		if (ResetStream() != SUCCESS)
+			goto done;
+
+		SetMIDIVolume();
+		if (midiStreamRestart(m_midiStreamH) != MMSYSERR_NOERROR)
+			goto done;
+
+		result = SUCCESS;
+	}
+
+done:
+	m_criticalSection.Leave();
+	return result;
 }
 
 // FUNCTION: LEGO1 0x100c0b20

util/compat.h

@@ -15,6 +15,11 @@
 #define COMPAT_CONST
 #endif
 
+// DWORD_PTR didn't exist in older Windows SDKs
+#if (defined(_MSC_VER) && _MSC_VER < 1100)
+typedef unsigned long DWORD_PTR, *PDWORD_PTR;
+#endif
+
 // Disable "identifier was truncated to '255' characters" warning.
 // Impossible to avoid this if using STL map or set.
 // This removes most (but not all) occurrences of the warning.