music.cpp

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// ==========================================================================================================
//
// BREW v2.0+ OPENGLES MICROENGINE
//
// ----------------------------------------
//
// Written by Vander Nunes
//
// ==========================================================================================================

#include "music.h"


// --------------------------------------------------------------------------------------
//
// Constructor
//
// --------------------------------------------------------------------------------------
CMusic::CMusic(CEngine* pEngine)
{
	m_pData = NULL;
	m_pEngine = pEngine;
}


// --------------------------------------------------------------------------------------
//
// Destructor
//
// --------------------------------------------------------------------------------------
CMusic::~CMusic()
{
	CleanUp();
}


// --------------------------------------------------------------------------------------
//
// Release memory
//
// --------------------------------------------------------------------------------------
void CMusic::CleanUp()
{
	if (m_pData)
	{
		Stop();
		API_FREE(m_pData);
		m_pData = NULL;
		m_pInfo.pData = NULL;
		m_pInfo.dwSize = 0;
	}
}


// --------------------------------------------------------------------------------------
//
// Load 2D sprite bitmap from the game dat file (vfs)
//
// --------------------------------------------------------------------------------------
boolean CMusic::LoadFromVfs(char* szVfsFile, char* szFile)
{
	CleanUp();

  CVfs Vfs;

	if (!Vfs.Unpack(szVfsFile, szFile, m_pEngine->Applet()))
		return FALSE;

	m_pData = new byte[Vfs.FileSize()];
	Vfs.Read(m_pData, Vfs.FileSize());

	m_pInfo.eInput = SDT_BUFFER;
	m_pInfo.pData = m_pData;
	m_pInfo.dwSize = Vfs.FileSize();

	Vfs.Finish();

	return true;
}


// --------------------------------------------------------------------------------------
//
// Load 2D sprite bitmap from the conventional resource file
//
// --------------------------------------------------------------------------------------
boolean CMusic::LoadFromRes(char* szResFile, int16 sRes)
{
	CleanUp();

	dword dwSize;
	AEEResBlob* blob = NULL;
	blob = (AEEResBlob*)ISHELL_LoadResDataEx(m_pEngine->Applet()->m_pIShell, szResFile, sRes, RESTYPE_IMAGE, blob, &dwSize);

	m_pData = (byte*)API_MALLOC(dwSize);

	API_MEMCPY(m_pData, RESBLOB_DATA(blob), dwSize);
	m_pInfo.eInput = SDT_BUFFER;
	m_pInfo.pData = m_pData;
	m_pInfo.dwSize = dwSize;

	ISHELL_FreeResData(m_pEngine->Applet()->m_pIShell, blob);

	return true;
}


// --------------------------------------------------------------------------------------
//
// SoundPlayer status callback
//
// --------------------------------------------------------------------------------------
void SoundCallBack(void *pUser, AEESoundPlayerCmd eCBType, AEESoundPlayerStatus eSPStatus, uint32 dwParam)
{
	CMusic* pMusic = (CMusic*)pUser;

	switch (eCBType)
	{
		case AEE_SOUNDPLAYER_PLAY_CB:
		{
			//
			// Play() command status notification
			//
			switch (eSPStatus)
			{
				case AEE_SOUNDPLAYER_DONE:
				{
					//
					// finished playing...
					// repeat
					pMusic->Play(true);
					break;
				}
			}
			break;
		}
	}
}


// --------------------------------------------------------------------------------------
//
// Play the loaded music
//
// --------------------------------------------------------------------------------------
boolean CMusic::Play(boolean bRepeat)
{
	if (!m_pData) return FALSE;
	Stop();
	dword i = ISOUNDPLAYER_SetInfo(m_pEngine->SoundPlayer(), &m_pInfo);

	if (bRepeat)
		ISOUNDPLAYER_RegisterNotify(m_pEngine->SoundPlayer(), SoundCallBack, this);
	else
		ISOUNDPLAYER_RegisterNotify(m_pEngine->SoundPlayer(), NULL, NULL);

	if (i == AEE_SUCCESS) ISOUNDPLAYER_Play(m_pEngine->SoundPlayer());
	return (i == AEE_SUCCESS);
}


// --------------------------------------------------------------------------------------
//
// Stop the loaded music
//
// --------------------------------------------------------------------------------------
void CMusic::Stop(void)
{
	ISOUNDPLAYER_RegisterNotify(m_pEngine->SoundPlayer(), NULL, NULL);
	ISOUNDPLAYER_Stop(m_pEngine->SoundPlayer());
}