Files
jak-project/game/sound/common/synth.cpp
2022-06-22 23:37:46 -04:00

38 lines
755 B
C++

// Copyright: 2021 - 2022, Ziemas
// SPDX-License-Identifier: ISC
#include "synth.h"
#include <stdexcept>
namespace snd {
static s16 ApplyVolume(s16 sample, s32 volume) {
return (sample * volume) >> 15;
}
s16_output synth::tick() {
s16_output out{};
m_voices.remove_if([](std::shared_ptr<voice>& v) { return v->dead(); });
for (auto& v : m_voices) {
out += v->run();
}
out.left = ApplyVolume(out.left, m_Volume.left.Get());
out.right = ApplyVolume(out.right, m_Volume.right.Get());
m_Volume.Run();
return out;
}
void synth::add_voice(std::shared_ptr<voice> voice) {
m_voices.emplace_front(voice);
}
void synth::set_master_vol(u32 volume) {
m_Volume.left.Set(volume);
m_Volume.right.Set(volume);
}
} // namespace snd