MOLOSS Code

/**************************************************************************
   Copyright (C) 2019 Arnaud Champenois arthelion@free.fr

	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/>.
**************************************************************************/

#pragma once

#include "../JuceLibraryCode/JuceHeader.h"
#include <vector>

#include "Synth.h"
#include "SynthVoice.h"
#include "GroupParametersLinker.h"

class MolossI;
class PitchParameters;
class VCOParameters;
class LFOParameters;
class TVFParameters;
class TVAParameters;
class TimeVariantParameters;
class SynthParameters;

// #define LOG_FILE

//==============================================================================
/*!
 * MolossI audio processor
 * This is the plugin top level interface. It relies on a Synth for the sound
 * generation. It takes care of presets management, and makes the link between
 * the Synth and the parameters that are edited or automated.
 */
class MolossI  : public AudioProcessor
{
public:
    //==============================================================================
    MolossI();
    ~MolossI();

    //==============================================================================
    void prepareToPlay (double sampleRate, int samplesPerBlock) override;
    void releaseResources() override;

   #ifndef JucePlugin_PreferredChannelConfigurations
    bool isBusesLayoutSupported (const BusesLayout& layouts) const override;
   #endif

    void processBlock (AudioBuffer<float>&, MidiBuffer&) override;

    //==============================================================================
    AudioProcessorEditor* createEditor() override;
    bool hasEditor() const override;

    //==============================================================================
    const String getName() const override;

    bool acceptsMidi() const override;
    bool producesMidi() const override;
    bool isMidiEffect() const override;
    double getTailLengthSeconds() const override;

    //==============================================================================
    int getNumPrograms() override;
    int getCurrentProgram() override;
    void setCurrentProgram (int index) override;
    const String getProgramName (int index) override;
    void changeProgramName (int index, const String& newName) override;

    //==============================================================================
    void getStateInformation (MemoryBlock& destData) override;

	/*!
	 *  Write state information into buffer
	 * \param destData Buffer to write to
	 * \param addPathNode Add a node with current sound file path
	 */
	void getStateInformation(MemoryBlock& destData, bool addPathNode);
	
	void setStateInformation(const void* data, int sizeInBytes) override;
	/*!
	 * Read state information from buffer
	 * 
	 * \param data Buffer
	 * \param sizeInBytes Buffer size
	 * \param readPathNode Read current sound file path from info or ignore it
	 */
	void setStateInformation(const void* data, int sizeInBytes, bool readPathNode);

	/*!
	 * Get synth voices (as polyphony count)
	 * 
	 * \return The SynthVoices array.
	 */
	const std::vector<SynthVoice*>& getVoices() const { return mVoices; }

	/*!
	 * Get the underlying synth
	 * 
	 * \return The synth
	 */
	Synth &getSynth() { return *mSynth; }

	VCOParameters* getVCOParameters(int vco) const { return mVCOParametersArray[vco].get(); }
	TVFParameters* getTVFParameters(int vco) const { return mTVFParametersArray[vco].get(); }
	TVAParameters* getTVAParameters(int vco) const { return mTVAParametersArray[vco].get(); }
	PitchParameters* getPitchParameters(int vco) const { return mPitchParametersArray[vco].get(); }
	SynthParameters*getSynthParameters() const { return mSynthParameters.get();  }

	AudioProcessorValueTreeState& getTreeState() { return *mAudioTreeState;  }

	void addTreeStateParameter(RangedAudioParameter*param) {
		mAudioTreeState->createAndAddParameter(std::unique_ptr <RangedAudioParameter>(param));
	}

	//==============================================================================
	// Preset management section
	
	void loadFromFile();
	void saveToFile();
	void saveToCurrentFile();
	void unsetVoiceLinks(int voice);
	void unsetLinks();
	void resetSound();
	void updateHostDisplayAsync();
	void resetVoice(int voiceNumber);

	String getCurrentFile();
	Array<String> getLoadedFilenames();

	bool hasCurrentFile() const {
		return mCurrentFile.getFullPathName().isNotEmpty();
	}

	void parameterChanged() { mParameterChanged = true; updateCurrentFileState();  }
	void parameterUnchanged() { mParameterChanged = false; updateCurrentFileState(); }
		 
	void updateActivityGUI();
	void updateCurrentFileState();
	void updateCurrentFiles();

	void setTempo(double tempo);

	//==============================================================================
	// Copy/Paste parameters section
	void clearCopiedParameter();

	void paste(Moloss1Parameters*parameters,String prefix = String(),String filter = String()) {
		parameters->readParameterValues(mCopiedParameters,prefix,filter);
	}

	void copy(Moloss1Parameters*parameters, String prefix = String()) {
		parameters->getParameterValues(mCopiedParameters, prefix);
	}

	//===========================================================
	// Linked parameters section
	void addToLinkGroup(Moloss1Parameters*parameters, int group, String prefix);
	void removeFromLinkGroup(Moloss1Parameters*parameters, int group, String prefix);

private:

	void reloadCurrentFilesList();

    //==============================================================================
	std::unique_ptr<AudioProcessorValueTreeState> mAudioTreeState;

	std::vector<SynthVoice*> mVoices;
	std::vector<std::unique_ptr<PitchParameters>> mPitchParametersArray;
	std::vector<std::unique_ptr<VCOParameters>> mVCOParametersArray;
	std::vector<std::unique_ptr<TVFParameters>> mTVFParametersArray;
	std::vector<std::unique_ptr<TVAParameters>> mTVAParametersArray;
	std::unique_ptr<SynthParameters> mSynthParameters;

	std::vector<LFOParameters*> mLFOParametersArray;
	std::vector<TimeVariantParameters*> mADSRParametersArray;

	std::unique_ptr <Synth> mSynth;

	// Presets management
	Array<File> mCurrentFilesList;
	File mCurrentFile;
	int mCurrentProgram = 0;

	std::map <String, float> mCopiedParameters;

	bool mParameterChanged = false;
	double mTempo = 0.0;

	MolossLogger ml;

	std::array<GroupParametersLinker,8> mLinkerArray;
	CriticalSection lock;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MolossI)

};