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#pragma once
#include <atomic>
#include <cassert>
template <typename T> class SettingRef
{
public:
SettingRef(std::atomic<T>& value)
: value{value}
, cache{}
{
assert((std::is_same<T, std::string>::value || value.is_lock_free()));
}
bool hasChanged()
{
T tmp = cache;
cache.exchange(value);
return tmp == cache;
}
T getValue() const
{
return cache;
}
private:
std::atomic<T>& value;
std::atomic<T> cache;
};
struct Settings
{
std::atomic<bool> enable_velocity_modifier;
std::atomic<float> velocity_modifier_falloff;
std::atomic<float> velocity_modifier_weight;
std::atomic<bool> enable_velocity_randomiser;
std::atomic<float> velocity_randomiser_weight;
std::atomic<int> samplerate;
std::atomic<bool> enable_resampling;
};
struct SettingsGetter
{
SettingRef<bool> enable_velocity_modifier;
SettingRef<float> velocity_modifier_falloff;
SettingRef<float> velocity_modifier_weight;
SettingRef<bool> enable_velocity_randomiser;
SettingRef<float> velocity_randomiser_weight;
SettingRef<int> samplerate;
SettingRef<bool> enable_resampling;
SettingsGetter(Settings& settings)
: enable_velocity_modifier{settings.enable_velocity_modifier}
, velocity_modifier_falloff{settings.velocity_modifier_falloff}
, velocity_modifier_weight{settings.velocity_modifier_weight}
, enable_velocity_randomiser{settings.enable_velocity_randomiser}
, velocity_randomiser_weight{settings.velocity_randomiser_weight}
, samplerate{settings.samplerate}
, enable_resampling{settings.enable_resampling}
{
}
};
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