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Platform_Win32_Sound_WMM.cpp

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//*** Platform_Win32_Sound_WMM.cpp ***


#pragma warning( disable: 4201)
#define WIN32_LEAN_AND_MEAN 
#define VC_EXTRALEAN
#include <windows.h>
#include <mmsystem.h>
#include <malloc.h>

#include "Platform_Win32_Sound_WMM.h"
#include "Platform_Win32_Sound_SoundStream_WMM.h"


#pragma comment (lib, "winmm.lib")


//*** Constructor ***

Platform_Win32_Sound_WMM::Platform_Win32_Sound_WMM():
   soundStreamCount_(0),
   soundStreamMaxCount_(0),
   soundStreams_(0)
   {
   }


//*** Setup ***

bool Platform_Win32_Sound_WMM::Setup()
   {
   return true;
   }


//*** Destructor ***

Platform_Win32_Sound_WMM::~Platform_Win32_Sound_WMM()
   {
   if (soundStreams_)
      {
      for (int i=0; i<soundStreamCount_; i++)
         {
         delete soundStreams_[i];
         }
      free(soundStreams_);
      }
   }
      

//*** Update ***

void Platform_Win32_Sound_WMM::Update()
   {
   for (int i=0; i<soundStreamCount_; i++)
      {
      soundStreams_[i]->Update();
      }
   }


//*** CreateSoundStream ***

Platform_Sound_SoundStream* Platform_Win32_Sound_WMM::CreateSoundStream(int channels, int frequency, int bitsPerSample, int size)
   {
   Platform_Win32_Sound_SoundStream_WMM* soundStream=new Platform_Win32_Sound_SoundStream_WMM(this,channels,frequency,bitsPerSample,size);

   if (!soundStreams_)
      {
      soundStreamMaxCount_=64;
      soundStreams_=static_cast<Platform_Win32_Sound_SoundStream_WMM**>(malloc(soundStreamMaxCount_*sizeof(Platform_Win32_Sound_SoundStream_WMM*)));
      }
   else if (soundStreamCount_>=soundStreamMaxCount_)
      {
      soundStreamMaxCount_*=2;
      soundStreams_=static_cast<Platform_Win32_Sound_SoundStream_WMM**>(realloc(soundStreams_,soundStreamMaxCount_*sizeof(Platform_Win32_Sound_SoundStream_WMM*)));
      }

   soundStreams_[soundStreamCount_]=soundStream;
   soundStreamCount_++;
   
   return soundStream;
   }



//*** SoundStreamDestroyed ***

void Platform_Win32_Sound_WMM::SoundStreamDestroyed(Platform_Win32_Sound_SoundStream_WMM* stream)
   {
   for (int i=0; i<soundStreamCount_; i++)
      {
      if (soundStreams_[i]==stream)
         {
         soundStreams_[i]=soundStreams_[soundStreamCount_-1];
         soundStreamCount_--;
         return;
         }
      }
   }

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