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/**
bespoke synth, a software modular synthesizer
Copyright (C) 2021 Ryan Challinor (contact: awwbees@gmail.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
//
// VSTPlugin.h
// Bespoke
//
// Created by Ryan Challinor on 1/18/16.
//
//
#pragma once
#include "IAudioProcessor.h"
#include "PolyphonyMgr.h"
#include "INoteReceiver.h"
#include "INoteSource.h"
#include "IDrawableModule.h"
#include "Slider.h"
#include "DropdownList.h"
#include "Ramp.h"
#include "VSTPlayhead.h"
#include "VSTWindow.h"
#include <atomic>
#include "juce_audio_processors/juce_audio_processors.h"
class ofxJSONElement;
//class NSWindowOverlay;
namespace VSTLookup
{
void GetAvailableVSTs(std::vector<juce::PluginDescription>& vsts);
void FillVSTList(DropdownList* list);
std::string GetVSTPath(std::string vstName);
bool GetPluginDesc(juce::PluginDescription& desc, juce::String pluginId);
void SortByLastUsed(std::vector<juce::PluginDescription>& vsts);
void GetRecentPlugins(std::vector<juce::PluginDescription>& recentPlugins, int num);
}
class VSTPlugin : public IAudioProcessor, public INoteReceiver, public IDrawableModule, public IDropdownListener, public IFloatSliderListener, public IIntSliderListener, public IButtonListener, public juce::AudioProcessorListener
{
public:
VSTPlugin();
virtual ~VSTPlugin() override;
static IDrawableModule* Create() { return new VSTPlugin(); }
static bool AcceptsAudio() { return true; }
static bool AcceptsNotes() { return true; }
static bool AcceptsPulses() { return false; }
std::string GetTitleLabel() const override;
void CreateUIControls() override;
void SetVol(float vol) { mVol = vol; }
void Poll() override;
void Exit() override;
juce::AudioProcessor* GetAudioProcessor() { return mPlugin.get(); }
void SetVST(juce::PluginDescription pluginDesc);
void OnVSTWindowClosed();
//IAudioSource
void Process(double time) override;
void SetEnabled(bool enabled) override;
//INoteReceiver
void PlayNote(double time, int pitch, int velocity, int voiceIdx = -1, ModulationParameters modulation = ModulationParameters()) override;
void SendCC(int control, int value, int voiceIdx = -1) override;
void SendMidi(const juce::MidiMessage& message) override;
void DropdownClicked(DropdownList* list) override;
void DropdownUpdated(DropdownList* list, int oldVal, double time) override;
void FloatSliderUpdated(FloatSlider* slider, float oldVal, double time) override;
void IntSliderUpdated(IntSlider* slider, int oldVal, double time) override;
void CheckboxUpdated(Checkbox* checkbox, double time) override;
void ButtonClicked(ClickButton* button, double time) override;
void OnUIControlRequested(const char* name) override;
virtual void SaveLayout(ofxJSONElement& moduleInfo) override;
virtual void LoadLayout(const ofxJSONElement& moduleInfo) override;
virtual void SetUpFromSaveData() override;
void SaveState(FileStreamOut& out) override;
void LoadState(FileStreamIn& in, int rev) override;
int GetModuleSaveStateRev() const override { return 3; }
std::vector<IUIControl*> ControlsToIgnoreInSaveState() const override;
bool IsEnabled() const override { return mEnabled; }
private:
//IDrawableModule
void PreDrawModule() override;
void DrawModule() override;
void GetModuleDimensions(float& width, float& height) override;
void LoadVST(juce::PluginDescription desc);
void LoadVSTFromSaveData(FileStreamIn& in, int rev);
void GetVSTFileDesc(std::string vstName, juce::PluginDescription& desc);
std::string GetPluginName() const;
std::string GetPluginFormatName() const;
std::string GetPluginId() const;
void CreateParameterSliders();
void RefreshPresetFiles();
//juce::AudioProcessorListener
void audioProcessorParameterChanged(juce::AudioProcessor* processor, int parameterIndex, float newValue) override {}
void audioProcessorChanged(juce::AudioProcessor* processor, const ChangeDetails& details) override;
void audioProcessorParameterChangeGestureBegin(juce::AudioProcessor* processor, int parameterIndex) override;
float mVol{ 1 };
FloatSlider* mVolSlider{ nullptr };
int mPresetFileIndex{ -1 };
DropdownList* mPresetFileSelector{ nullptr };
bool mPresetFileUpdateQueued{ false };
ClickButton* mSavePresetFileButton{ nullptr };
std::vector<std::string> mPresetFilePaths;
ClickButton* mOpenEditorButton{ nullptr };
ClickButton* mPanicButton{ nullptr };
std::atomic<bool> mWantsPanic{ false };
bool mPluginReady{ false };
std::unique_ptr<juce::AudioProcessor> mPlugin;
std::string mPluginName;
std::string mPluginFormatName;
std::string mPluginId;
std::unique_ptr<VSTWindow> mWindow;
juce::MidiBuffer mMidiBuffer;
juce::MidiBuffer mFutureMidiBuffer;
juce::CriticalSection mMidiInputLock;
std::atomic<bool> mRescanParameterNames{ false };
juce::String cutOffIdHash(juce::String);
int mNumInputChannels{ 2 };
int mNumOutputChannels{ 2 };
int mNumInBuses{ 0 };
int mNumOutBuses{ 0 };
struct ParameterSlider
{
VSTPlugin* mOwner{ nullptr };
float mValue{ 0 };
FloatSlider* mSlider{ nullptr };
juce::AudioProcessorParameter* mParameter{ nullptr };
bool mShowing{ false };
bool mInSelectorList{ true };
std::string mDisplayName;
std::string mID;
void MakeSlider();
};
std::vector<ParameterSlider> mParameterSliders;
int mChangeGestureParameterIndex{ -1 };
int mChannel{ 1 };
bool mUseVoiceAsChannel{ false };
float mPitchBendRange{ 2 };
int mModwheelCC{ 1 }; //or 74 in Multidimensional Polyphonic Expression (MPE) spec
std::string mOldVstPath{ "" }; //for loading save files that predate pluginId-style saving
int mParameterVersion{ 1 };
struct ChannelModulations
{
ModulationParameters mModulation;
float mLastPitchBend{ 0 };
float mLastModWheel{ 0 };
float mLastPressure{ 0 };
};
std::vector<ChannelModulations> mChannelModulations;
ofMutex mVSTMutex;
VSTPlayhead mPlayhead;
//NSWindowOverlay* mWindowOverlay{ nullptr };
enum DisplayMode
{
kDisplayMode_Sliders,
kDisplayMode_PluginOverlay
};
DisplayMode mDisplayMode{ DisplayMode::kDisplayMode_Sliders };
int mShowParameterIndex{ -1 };
DropdownList* mShowParameterDropdown{ nullptr };
static constexpr int kMaxParametersInDropdown{ 30 };
int mTemporarilyDisplayedParamIndex{ -1 };
/*
* Midi and MultiOut support
*/
AdditionalNoteCable* mMidiOutCable{ nullptr };
bool mWantOpenVstWindow{ false };
};
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