mirror of
https://github.com/zeldaret/ss
synced 2026-07-09 14:15:23 -04:00
robojumper
87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
#ifndef NW4R_SND_ENV_GENERATOR_H
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#define NW4R_SND_ENV_GENERATOR_H
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/*******************************************************************************
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* headers
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*/
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#include "common.h"
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/*******************************************************************************
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* classes and functions
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*/
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namespace nw4r { namespace snd { namespace detail
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{
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// [R89JEL]:/bin/RVL/Debug/mainD.elf:.debug::0x28b11
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class EnvGenerator
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{
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// enums
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public:
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// [R89JEL]:/bin/RVL/Debug/mainD.elf:.debug::0x28a77
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enum Status
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{
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STATUS_ATTACK,
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STATUS_HOLD,
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STATUS_DECAY,
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STATUS_SUSTAIN,
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STATUS_RELEASE,
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};
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// methods
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public:
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// cdtors
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EnvGenerator();
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// methods
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void Init(f32 initDecibel);
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void Update(int msec);
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void Reset(f32 initDecibel);
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Status GetStatus() const { return mStatus; }
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f32 GetValue() const;
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void SetStatus(Status status) { mStatus = status; }
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void SetAttack(int attack);
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void SetHold(int hold);
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void SetDecay(int decay);
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void SetSustain(int sustain);
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void SetRelease(int release);
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private:
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f32 CalcRelease(int release);
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s16 CalcDecibelSquare(int scale);
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// static members
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public:
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static int const CALC_DECIBEL_SCALE_MAX;
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static int const DECIBEL_SQUARE_TABLE_SIZE = 128;
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static int const RELEASE_INIT = 127;
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static int const SUSTAIN_INIT = 127;
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static int const DECAY_INIT = 127;
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static int const HOLD_INIT = 0;
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static int const ATTACK_INIT = 127;
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static f32 const volatile VOLUME_INIT;
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private:
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static s16 const DecibelSquareTable[DECIBEL_SQUARE_TABLE_SIZE];
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// members
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private:
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Status mStatus; // size 0x04, offset 0x00
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f32 mValue; // size 0x04, offset 0x04
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f32 mDecay; // size 0x04, offset 0x08
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f32 mRelease; // size 0x04, offset 0x0c
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f32 mAttack; // size 0x04, offset 0x10
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u8 mSustain; // size 0x01, offset 0x14
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/* 1 byte padding */
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u16 mHold; // size 0x02, offset 0x16
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u16 mHoldCounter; // size 0x02, offset 0x18
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/* 2 bytes padding */
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}; // size 0x1c
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}}} // namespace nw4r::snd::detail
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#endif // NW4R_SND_ENV_GENERATOR_H
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