38 lines
943 B
C++
38 lines
943 B
C++
#pragma once
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#include "Effect.h"
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#include "Ramp.h"
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#include <cstddef>
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struct ADSRParameters {
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float attack_time; // Attack time in seconds
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float decay_time; // Decay time in seconds
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float sustain_level; // Sustain level (0 to 1)
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float release_time;
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};
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enum ADSRState { Off, Attack, Decay, Sustain, Release };
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class ADSR : public Effect {
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private:
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ADSRParameters m_parameters;
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ADSRState m_state;
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Ramp* m_ramp;
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void process_sample(float* sample);
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bool is_attack_elapsed();
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bool is_decay_elapsed();
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bool is_release_elapsed();
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void recheck_state();
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public:
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ADSR(/* args */);
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ADSR(ADSRParameters param);
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~ADSR();
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void OnSetNote() override;
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void OnUnsetNote() override;
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// void RetriggerState() override;
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void Process(std::vector<float>& samples) override;
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void Reset();
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void SetParameters(float attack, float decay, float sustain, float release);
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};
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