74 lines
2 KiB
C++
74 lines
2 KiB
C++
// SPDX-License-Identifier: BSD-2-Clause
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// This code is part of the sfizz library and is licensed under a BSD 2-clause
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// license. You should have receive a LICENSE.md file along with the code.
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// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
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#pragma once
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#include "base/source/fstreamer.h"
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#include "public.sdk/source/vst/vstparameters.h"
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#include <string>
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using namespace Steinberg;
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// number of MIDI CC
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enum {
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kNumControllerParams = 128,
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};
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// parameters
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enum {
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kPidVolume,
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kPidMidiCC0,
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kPidMidiCCLast = kPidMidiCC0 + kNumControllerParams - 1,
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kPidMidiAftertouch,
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kPidMidiPitchBend,
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/* Reserved */
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};
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class SfizzVstState {
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public:
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std::string sfzFile;
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float volume = 0;
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static constexpr uint64 currentStateVersion = 0;
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tresult load(IBStream* state);
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tresult store(IBStream* state) const;
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};
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class SfizzUiState {
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public:
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unsigned activePanel = 0;
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static constexpr uint64 currentStateVersion = 0;
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tresult load(IBStream* state);
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tresult store(IBStream* state) const;
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};
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struct SfizzParameterRange {
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float def = 0.0;
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float min = 0.0;
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float max = 1.0;
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constexpr SfizzParameterRange() {}
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constexpr SfizzParameterRange(float def, float min, float max) : def(def), min(min), max(max) {}
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constexpr float normalize(float x) const noexcept
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{
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return (x - min) / (max - min);
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}
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constexpr float denormalize(float x) const noexcept
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{
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return min + x * (max - min);
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}
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Vst::RangeParameter* createParameter(const Vst::TChar *title, Vst::ParamID tag, const Vst::TChar *units = nullptr, int32 stepCount = 0, int32 flags = Vst::ParameterInfo::kCanAutomate, Vst::UnitID unitID = Vst::kRootUnitId, const Vst::TChar *shortTitle = nullptr) const
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{
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return new Vst::RangeParameter(title, tag, units, min, max, def, stepCount, flags, unitID, shortTitle);
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}
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};
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static constexpr SfizzParameterRange kParamVolumeRange(0.0, -60.0, +6.0);
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