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#include <vector>
#include "internal.h"
namespace audiere {
class SingleSoundEffect : public RefImplementation<SoundEffect> {
public:
SingleSoundEffect(OutputStream* os) {
m_stream = os;
m_volume = 1;
m_pan = 0;
m_shift = 1;
}
void ADR_CALL play() {
m_stream->reset();
m_stream->setVolume(m_volume);
m_stream->setPan(m_pan);
m_stream->setPitchShift(m_shift);
m_stream->play();
}
void ADR_CALL stop() {
m_stream->stop();
m_stream->reset();
}
void ADR_CALL setVolume(float volume) {
m_volume = volume;
}
float ADR_CALL getVolume() {
return m_volume;
}
void ADR_CALL setPan(float pan) {
m_pan = pan;
}
float ADR_CALL getPan() {
return m_pan;
}
void ADR_CALL setPitchShift(float shift) {
m_shift = shift;
}
float ADR_CALL getPitchShift() {
return m_shift;
}
private:
OutputStreamPtr m_stream;
float m_volume;
float m_pan;
float m_shift;
};
class MultipleSoundEffect : public RefImplementation<SoundEffect> {
public:
MultipleSoundEffect(AudioDevice* device, SampleBuffer* sb) {
m_device = device;
m_buffer = sb;
m_volume = 1;
m_pan = 0;
m_shift = 1;
}
void ADR_CALL play() {
// go through the list and see if any streams are done playing
// so we can reuse them
for (unsigned i = 0; i < m_streams.size(); ++i) {
if (!m_streams[i]->isPlaying()) {
m_streams[i]->reset();
m_streams[i]->setVolume(m_volume);
m_streams[i]->setPan(m_pan);
m_streams[i]->setPitchShift(m_shift);
m_streams[i]->play();
return;
}
}
// open a new stream and play it
OutputStream* stream = m_device->openStream(m_buffer->openStream());
if (!stream) {
return;
}
stream->setVolume(m_volume);
stream->setPan(m_pan);
stream->setPitchShift(m_shift);
stream->play();
m_streams.push_back(stream);
}
void ADR_CALL stop() {
m_streams.clear();
}
void ADR_CALL setVolume(float volume) {
m_volume = volume;
}
float ADR_CALL getVolume() {
return m_volume;
}
void ADR_CALL setPan(float pan) {
m_pan = pan;
}
float ADR_CALL getPan() {
return m_pan;
}
void ADR_CALL setPitchShift(float shift) {
m_shift = shift;
}
float ADR_CALL getPitchShift() {
return m_shift;
}
private:
AudioDevicePtr m_device;
SampleBufferPtr m_buffer;
std::vector<OutputStreamPtr> m_streams;
float m_volume;
float m_pan;
float m_shift;
};
ADR_EXPORT(SoundEffect*) AdrOpenSoundEffect(
AudioDevice* device,
SampleSource* source,
SoundEffectType type)
{
if (!device || !source) {
return 0;
}
switch (type) {
case SINGLE: {
OutputStream* os = OpenSound(device, source, false);
return (os ? new SingleSoundEffect(os) : 0);
}
case MULTIPLE: {
SampleBuffer* sb = CreateSampleBuffer(source);
return (sb ? new MultipleSoundEffect(device, sb) : 0);
}
default:
return 0;
}
}
}
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