itgmania212121/stepmania/src/RandomSample.cpp

#include "stdafx.h"
/*
-----------------------------------------------------------------------------
 File: RandomSample.h

 Desc: Holds multiple sounds samples and can play a random sound easily.

 Copyright (c) 2001-2002 by the person(s) listed below.  All rights reserved.
-----------------------------------------------------------------------------
*/



#include "RandomSample.h"
#include "RageUtil.h"
#include "RageLog.h"
#include "ErrorCatcher/ErrorCatcher.h"


RandomSample::RandomSample()
{
	m_iIndexLastPlayed = -1;
}

RandomSample::~RandomSample()
{
	for( int i=0; i<m_pSamples.GetSize(); i++ )
		SAFE_DELETE( m_pSamples[i] );
}


bool RandomSample::LoadSoundDir( CString sDir )
{
	// make sure there's a backslash at the end of this path
	if( sDir[sDir.GetLength()-1] != '\\' )
		sDir += "\\";

	CStringArray arraySoundFiles;
	GetDirListing( sDir + "*.mp3", arraySoundFiles );
	GetDirListing( sDir + "*.ogg", arraySoundFiles );
	GetDirListing( sDir + "*.wav", arraySoundFiles );

	for( int i=0; i<arraySoundFiles.GetSize(); i++ )
		LoadSound( sDir + arraySoundFiles[i] );

	return true;
}
	
bool RandomSample::LoadSound( CString sSoundFilePath )
{
	LOG->WriteLine( "RandomSample::LoadSound( %s )", sSoundFilePath );

	RageSoundSample* pSS = new RageSoundSample;
	pSS->Load( sSoundFilePath );


	m_pSamples.Add( pSS );
	
	return true;
}

void RandomSample::PlayRandom()
{
	// play one of the samples
	if( m_pSamples.GetSize() == 0 )
	{
		LOG->WriteLine( "WARNING:  Tried to play a RandomSample that has 0 sounds loaded." );
	}
	else
	{
		int iIndexToPlay;
		for( int i=0; i<5; i++ )
		{
			iIndexToPlay = rand() % m_pSamples.GetSize();
			if( iIndexToPlay != m_iIndexLastPlayed )
				break;
		}

		m_pSamples[iIndexToPlay]->Play();
		m_iIndexLastPlayed = iIndexToPlay;
	}
}

void RandomSample::Pause()
{
	m_pSamples[m_iIndexLastPlayed]->Pause();
}

void RandomSample::Stop()
{
	if( m_iIndexLastPlayed == -1 )	// nothing is currently playing
		return;

	m_pSamples[m_iIndexLastPlayed]->Stop();
}