36 lines
No EOL
898 B
C++
36 lines
No EOL
898 B
C++
#pragma once
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#include <absl/types/span.h>
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namespace sfz
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{
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template<class Type>
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class ADSREnvelope
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{
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public:
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ADSREnvelope() = default;
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void reset(int attack, int release, Type sustain=1.0, int delay = 0, int decay = 0, int hold = 0, Type start=0.0, Type depth=1) noexcept;
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Type getNextValue() noexcept;
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void getBlock(absl::Span<Type> output) noexcept;
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void startRelease(int releaseDelay) noexcept;
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constexpr bool isSmoothing() noexcept;
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private:
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enum class State
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{
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Delay, Attack, Hold, Decay, Sustain, Release, Done
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};
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State currentState { State::Done };
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Type currentValue { 0.0 };
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Type step { 0.0 };
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int delay { 0 };
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int attack { 0 };
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int decay { 0 };
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int release { 0 };
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int hold { 0 };
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Type start { 0 };
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Type peak { 0 };
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Type sustain { 0 };
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int releaseDelay { 0 };
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bool shouldRelease { false };
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};
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} |