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#include "sound.h"
#include <iostream>
#include <SDL_events.h>
#include "resources.h"
Sound *sound;
Sound::Sound()
{
int audio_rate = 22050;
Uint16 audio_format = AUDIO_S16; /* 16-bit stereo */
int audio_channels = 2;
int audio_buffers = 1024;
disabled = Mix_OpenAudio(audio_rate, audio_format, audio_channels,
audio_buffers);
if (disabled)
std::cout << "Audio is disabled" << std::endl;
}
Sound::~Sound()
{
if (! disabled)
Mix_CloseAudio();
for (ChunkMap::iterator i = chunkCache.begin(); i != chunkCache.end(); i++)
Mix_FreeChunk((*i).second);
Mix_CloseAudio();
}
void Sound::play(const std::wstring &name)
{
if (disabled || (! enableFx))
return;
Mix_Chunk *chunk = NULL;
ChunkMap::iterator i = chunkCache.find(name);
if (i != chunkCache.end())
chunk = (*i).second;
else {
ResDataHolder data(name);
chunk = Mix_LoadWAV_RW(SDL_RWFromMem(data.getData(), data.getSize()),
0);
chunkCache[name] = chunk;
}
if (chunk) {
Mix_VolumeChunk(chunk, (int)(volume * 128.0f));
Mix_PlayChannel(-1, chunk, 0);
}
SDL_PumpEvents();
}
void Sound::setVolume(float v)
{
volume = v;
enableFx = 0.01 < volume;
}
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