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864 lines
29 KiB
C++
864 lines
29 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE examples.
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Copyright (c) 2017 - ROLI Ltd.
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES,
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WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR
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PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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/*******************************************************************************
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The block below describes the properties of this PIP. A PIP is a short snippet
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of code that can be read by the Projucer and used to generate a JUCE project.
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BEGIN_JUCE_PIP_METADATA
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name: BlocksSynthDemo
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version: 1.0.0
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vendor: JUCE
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website: http://juce.com
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description: Blocks synthesiser application.
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dependencies: juce_audio_basics, juce_audio_devices, juce_audio_formats,
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juce_audio_processors, juce_audio_utils, juce_blocks_basics,
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juce_core, juce_data_structures, juce_events, juce_graphics,
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juce_gui_basics, juce_gui_extra
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exporters: xcode_mac, vs2017, linux_make, xcode_iphone
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moduleFlags: JUCE_STRICT_REFCOUNTEDPOINTER=1
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type: Component
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mainClass: BlocksSynthDemo
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useLocalCopy: 1
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END_JUCE_PIP_METADATA
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*******************************************************************************/
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#pragma once
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//==============================================================================
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/**
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Base class for oscillators
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*/
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class OscillatorBase : public SynthesiserVoice
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{
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public:
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OscillatorBase()
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{
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amplitude.reset (getSampleRate(), 0.1);
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phaseIncrement.reset (getSampleRate(), 0.1);
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}
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void startNote (int midiNoteNumber, float velocity, SynthesiserSound*, int) override
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{
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frequency = MidiMessage::getMidiNoteInHertz (midiNoteNumber);
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phaseIncrement.setValue (((MathConstants<double>::twoPi) * frequency) / sampleRate);
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amplitude.setValue (velocity);
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// Store the initial note and work out the maximum frequency deviations for pitch bend
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initialNote = midiNoteNumber;
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maxFreq = MidiMessage::getMidiNoteInHertz (initialNote + 4) - frequency;
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minFreq = frequency - MidiMessage::getMidiNoteInHertz (initialNote - 4);
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}
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void stopNote (float, bool) override
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{
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clearCurrentNote();
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amplitude.setValue (0.0);
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}
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void pitchWheelMoved (int newValue) override
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{
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// Change the phase increment based on pitch bend amount
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auto frequencyOffset = ((newValue > 0 ? maxFreq : minFreq) * (newValue / 127.0));
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phaseIncrement.setValue (((MathConstants<double>::twoPi) * (frequency + frequencyOffset)) / sampleRate);
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}
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void controllerMoved (int, int) override {}
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void channelPressureChanged (int newChannelPressureValue) override
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{
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// Set the amplitude based on pressure value
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amplitude.setValue (newChannelPressureValue / 127.0);
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}
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void renderNextBlock (AudioBuffer<float>& outputBuffer, int startSample, int numSamples) override
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{
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while (--numSamples >= 0)
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{
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auto output = getSample() * amplitude.getNextValue();
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for (auto i = outputBuffer.getNumChannels(); --i >= 0;)
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outputBuffer.addSample (i, startSample, static_cast<float> (output));
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++startSample;
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}
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}
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/** Returns the next sample */
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double getSample()
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{
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auto output = renderWaveShape (phasePos);
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phasePos += phaseIncrement.getNextValue();
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if (phasePos > MathConstants<double>::twoPi)
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phasePos -= MathConstants<double>::twoPi;
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return output;
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}
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/** Subclasses should override this to say whether they can play the given sound */
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bool canPlaySound (SynthesiserSound*) override = 0;
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/** Subclasses should override this to render a waveshape */
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virtual double renderWaveShape (const double currentPhase) = 0;
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private:
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LinearSmoothedValue<double> amplitude, phaseIncrement;
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double frequency = 0.0;
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double phasePos = 0.0;
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double sampleRate = 44100.0;
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int initialNote = 0;
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double maxFreq = 0.0, minFreq = 0.0;
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (OscillatorBase)
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};
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//==============================================================================
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/**
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Sine sound struct - applies to MIDI channel 1
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*/
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struct SineSound : public SynthesiserSound
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{
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SineSound () {}
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bool appliesToNote (int) override { return true; }
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bool appliesToChannel (int midiChannel) override { return (midiChannel == 1); }
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SineSound)
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};
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/**
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Sine voice struct that renders a sin waveshape
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*/
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struct SineVoice : public OscillatorBase
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{
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SineVoice() {}
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bool canPlaySound (SynthesiserSound* sound) override { return dynamic_cast<SineSound*> (sound) != nullptr; }
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double renderWaveShape (const double currentPhase) override { return sin (currentPhase); }
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SineVoice)
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};
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//==============================================================================
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/**
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Square sound struct - applies to MIDI channel 2
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*/
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struct SquareSound : public SynthesiserSound
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{
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SquareSound() {}
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bool appliesToNote (int) override { return true; }
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bool appliesToChannel (int midiChannel) override { return (midiChannel == 2); }
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SquareSound)
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};
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/**
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Square voice struct that renders a square waveshape
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*/
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struct SquareVoice : public OscillatorBase
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{
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SquareVoice() {}
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bool canPlaySound (SynthesiserSound* sound) override { return dynamic_cast<SquareSound*> (sound) != nullptr; }
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double renderWaveShape (const double currentPhase) override { return (currentPhase < MathConstants<double>::pi ? 0.0 : 1.0); }
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SquareVoice)
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};
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//==============================================================================
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/**
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Sawtooth sound - applies to MIDI channel 3
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*/
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struct SawSound : public SynthesiserSound
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{
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SawSound() {}
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bool appliesToNote (int) override { return true; }
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bool appliesToChannel (int midiChannel) override { return (midiChannel == 3); }
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SawSound)
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};
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/**
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Sawtooth voice that renders a sawtooth waveshape
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*/
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struct SawVoice : public OscillatorBase
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{
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SawVoice() {}
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bool canPlaySound (SynthesiserSound* sound) override { return dynamic_cast<SawSound*> (sound) != nullptr; }
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double renderWaveShape (const double currentPhase) override { return (1.0 / MathConstants<double>::pi) * currentPhase - 1.0; }
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SawVoice)
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};
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//==============================================================================
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/**
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Triangle sound - applies to MIDI channel 4
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*/
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struct TriangleSound : public SynthesiserSound
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{
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TriangleSound() {}
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bool appliesToNote (int) override { return true; }
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bool appliesToChannel (int midiChannel) override { return (midiChannel == 4); }
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (TriangleSound)
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};
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/**
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Triangle voice that renders a triangle waveshape
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*/
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struct TriangleVoice : public OscillatorBase
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{
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TriangleVoice() {}
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bool canPlaySound (SynthesiserSound* sound) override { return dynamic_cast<TriangleSound*> (sound) != nullptr; }
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double renderWaveShape (const double currentPhase) override
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{
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return currentPhase < MathConstants<double>::pi ? -1.0 + (2.0 / MathConstants<double>::pi) * currentPhase
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: 3.0 - (2.0 / MathConstants<double>::pi) * currentPhase;
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}
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (TriangleVoice)
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};
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//==============================================================================
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/**
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Class to handle the Audio functionality
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*/
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class Audio : public AudioIODeviceCallback
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{
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public:
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Audio()
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{
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// Set up the audio device manager
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#ifndef JUCE_DEMO_RUNNER
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audioDeviceManager.initialiseWithDefaultDevices (0, 2);
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#endif
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audioDeviceManager.addAudioCallback (this);
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// Set up the synthesiser and add each of the waveshapes
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synthesiser.clearVoices();
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synthesiser.clearSounds();
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synthesiser.addVoice (new SineVoice());
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synthesiser.addVoice (new SquareVoice());
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synthesiser.addVoice (new SawVoice());
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synthesiser.addVoice (new TriangleVoice());
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synthesiser.addSound (new SineSound());
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synthesiser.addSound (new SquareSound());
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synthesiser.addSound (new SawSound());
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synthesiser.addSound (new TriangleSound());
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}
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~Audio()
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{
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audioDeviceManager.removeAudioCallback (this);
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}
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/** Audio callback */
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void audioDeviceIOCallback (const float** /*inputChannelData*/, int /*numInputChannels*/,
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float** outputChannelData, int numOutputChannels, int numSamples) override
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{
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AudioBuffer<float> sampleBuffer (outputChannelData, numOutputChannels, numSamples);
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sampleBuffer.clear();
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synthesiser.renderNextBlock (sampleBuffer, MidiBuffer(), 0, numSamples);
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}
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void audioDeviceAboutToStart (AudioIODevice* device) override
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{
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synthesiser.setCurrentPlaybackSampleRate (device->getCurrentSampleRate());
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}
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void audioDeviceStopped() override {}
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/** Called to turn a synthesiser note on */
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void noteOn (int channel, int noteNum, float velocity)
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{
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synthesiser.noteOn (channel, noteNum, velocity);
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}
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/** Called to turn a synthesiser note off */
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void noteOff (int channel, int noteNum, float velocity)
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{
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synthesiser.noteOff (channel, noteNum, velocity, false);
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}
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/** Called to turn all synthesiser notes off */
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void allNotesOff()
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{
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for (auto i = 1; i < 5; ++i)
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synthesiser.allNotesOff (i, false);
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}
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/** Send pressure change message to synthesiser */
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void pressureChange (int channel, float newPressure)
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{
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synthesiser.handleChannelPressure (channel, static_cast<int> (newPressure * 127));
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}
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/** Send pitch change message to synthesiser */
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void pitchChange (int channel, float pitchChange)
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{
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synthesiser.handlePitchWheel (channel, static_cast<int> (pitchChange * 127));
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}
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private:
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#ifndef JUCE_DEMO_RUNNER
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AudioDeviceManager audioDeviceManager;
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#else
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AudioDeviceManager& audioDeviceManager { getSharedAudioDeviceManager (0, 2) };
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#endif
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Synthesiser synthesiser;
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Audio)
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};
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//==============================================================================
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/**
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A Program to draw moving waveshapes onto the LEDGrid
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*/
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class WaveshapeProgram : public Block::Program
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{
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public:
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WaveshapeProgram (Block& b) : Program (b) {}
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/** Sets the waveshape type to display on the grid */
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void setWaveshapeType (uint8 type)
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{
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block.setDataByte (0, type);
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}
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/** Generates the Y coordinates for 1.5 cycles of each of the four waveshapes and stores them
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at the correct offsets in the shared data heap. */
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void generateWaveshapes()
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{
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uint8 sineWaveY[45];
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uint8 squareWaveY[45];
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uint8 sawWaveY[45];
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uint8 triangleWaveY[45];
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// Set current phase position to 0 and work out the required phase increment for one cycle
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auto currentPhase = 0.0;
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auto phaseInc = (1.0 / 30.0) * MathConstants<double>::twoPi;
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for (auto x = 0; x < 30; ++x)
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{
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// Scale and offset the sin output to the Lightpad display
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auto sineOutput = std::sin (currentPhase);
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sineWaveY[x] = static_cast<uint8> (roundToInt ((sineOutput * 6.5) + 7.0));
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// Square wave output, set flags for when vertical line should be drawn
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if (currentPhase < MathConstants<double>::pi)
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{
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if (x == 0)
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squareWaveY[x] = 255;
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else
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squareWaveY[x] = 1;
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}
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else
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{
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if (squareWaveY[x - 1] == 1)
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squareWaveY[x - 1] = 255;
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squareWaveY[x] = 13;
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}
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// Saw wave output, set flags for when vertical line should be drawn
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sawWaveY[x] = 14 - ((x / 2) % 15);
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if (sawWaveY[x] == 0 && sawWaveY[x - 1] != 255)
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sawWaveY[x] = 255;
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// Triangle wave output
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triangleWaveY[x] = x < 15 ? static_cast<uint8> (x) : static_cast<uint8> (14 - (x % 15));
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// Add half cycle to end of array so it loops correctly
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if (x < 15)
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{
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sineWaveY[x + 30] = sineWaveY[x];
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squareWaveY[x + 30] = squareWaveY[x];
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sawWaveY[x + 30] = sawWaveY[x];
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triangleWaveY[x + 30] = triangleWaveY[x];
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}
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// Increment the current phase
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currentPhase += phaseInc;
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}
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// Store the values for each of the waveshapes at the correct offsets in the shared data heap
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for (uint8 i = 0; i < 45; ++i)
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{
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block.setDataByte (sineWaveOffset + i, sineWaveY[i]);
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block.setDataByte (squareWaveOffset + i, squareWaveY[i]);
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block.setDataByte (sawWaveOffset + i, sawWaveY[i]);
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block.setDataByte (triangleWaveOffset + i, triangleWaveY[i]);
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}
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}
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String getLittleFootProgram() override
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{
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return R"littlefoot(
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#heapsize: 256
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int yOffset;
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void drawLEDCircle (int x0, int y0)
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{
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blendPixel (0xffff0000, x0, y0);
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int minLedIndex = 0;
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int maxLedIndex = 14;
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blendPixel (0xff660000, min (x0 + 1, maxLedIndex), y0);
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blendPixel (0xff660000, max (x0 - 1, minLedIndex), y0);
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blendPixel (0xff660000, x0, min (y0 + 1, maxLedIndex));
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blendPixel (0xff660000, x0, max (y0 - 1, minLedIndex));
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blendPixel (0xff1a0000, min (x0 + 1, maxLedIndex), min (y0 + 1, maxLedIndex));
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blendPixel (0xff1a0000, min (x0 + 1, maxLedIndex), max (y0 - 1, minLedIndex));
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blendPixel (0xff1a0000, max (x0 - 1, minLedIndex), min (y0 + 1, maxLedIndex));
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blendPixel (0xff1a0000, max (x0 - 1, minLedIndex), max (y0 - 1, minLedIndex));
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}
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void repaint()
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{
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// Clear LEDs to black
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fillRect (0xff000000, 0, 0, 15, 15);
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// Get the waveshape type
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int type = getHeapByte (0);
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// Calculate the heap offset
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int offset = 1 + (type * 45) + yOffset;
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for (int x = 0; x < 15; ++x)
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{
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// Get the corresponding Y coordinate for each X coordinate
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int y = getHeapByte (offset + x);
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// Draw a vertical line if flag is set or draw an LED circle
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if (y == 255)
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{
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for (int i = 0; i < 15; ++i)
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drawLEDCircle (x, i);
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}
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else if (x % 2 == 0)
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{
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drawLEDCircle (x, y);
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}
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}
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// Increment and wrap the Y offset to draw a 'moving' waveshape
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if (++yOffset == 30)
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yOffset = 0;
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}
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)littlefoot";
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}
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private:
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//==============================================================================
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/** Shared data heap is laid out as below. There is room for the waveshape type and
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the Y coordinates for 1.5 cycles of each of the four waveshapes. */
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static constexpr uint32 waveshapeType = 0; // 1 byte
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static constexpr uint32 sineWaveOffset = 1; // 1 byte * 45
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static constexpr uint32 squareWaveOffset = 46; // 1 byte * 45
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static constexpr uint32 sawWaveOffset = 91; // 1 byte * 45
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static constexpr uint32 triangleWaveOffset = 136; // 1 byte * 45
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WaveshapeProgram)
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};
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//==============================================================================
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/**
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A struct that handles the setup and layout of the DrumPadGridProgram
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*/
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struct SynthGrid
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{
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SynthGrid (int cols, int rows)
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: numColumns (cols),
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numRows (rows)
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{
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constructGridFillArray();
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}
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/** Creates a GridFill object for each pad in the grid and sets its colour
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and fill before adding it to an array of GridFill objects
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*/
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void constructGridFillArray()
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{
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gridFillArray.clear();
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for (auto i = 0; i < numRows; ++i)
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{
|
|
for (auto j = 0; j < numColumns; ++j)
|
|
{
|
|
DrumPadGridProgram::GridFill fill;
|
|
|
|
auto padNum = (i * 5) + j;
|
|
|
|
fill.colour = notes.contains (padNum) ? baseGridColour
|
|
: tonics.contains (padNum) ? Colours::white
|
|
: Colours::black;
|
|
fill.fillType = DrumPadGridProgram::GridFill::FillType::gradient;
|
|
gridFillArray.add (fill);
|
|
}
|
|
}
|
|
}
|
|
|
|
int getNoteNumberForPad (int x, int y) const
|
|
{
|
|
auto xIndex = x / 3;
|
|
auto yIndex = y / 3;
|
|
|
|
return 60 + ((4 - yIndex) * 5) + xIndex;
|
|
}
|
|
|
|
//==============================================================================
|
|
int numColumns, numRows;
|
|
float width, height;
|
|
|
|
Array<DrumPadGridProgram::GridFill> gridFillArray;
|
|
Colour baseGridColour = Colours::green;
|
|
Colour touchColour = Colours::red;
|
|
|
|
Array<int> tonics = { 4, 12, 20 };
|
|
Array<int> notes = { 1, 3, 6, 7, 9, 11, 14, 15, 17, 19, 22, 24 };
|
|
|
|
//==============================================================================
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SynthGrid)
|
|
};
|
|
|
|
//==============================================================================
|
|
/**
|
|
The main component
|
|
*/
|
|
class BlocksSynthDemo : public Component,
|
|
public TopologySource::Listener,
|
|
private TouchSurface::Listener,
|
|
private ControlButton::Listener,
|
|
private Timer
|
|
{
|
|
public:
|
|
BlocksSynthDemo()
|
|
{
|
|
// Register BlocksSynthDemo as a listener to the PhysicalTopologySource object
|
|
topologySource.addListener (this);
|
|
|
|
#if JUCE_IOS
|
|
connectButton.setButtonText ("Connect");
|
|
connectButton.onClick = [] { BluetoothMidiDevicePairingDialogue::open(); };
|
|
addAndMakeVisible (connectButton);
|
|
#endif
|
|
|
|
setSize (600, 400);
|
|
|
|
topologyChanged();
|
|
}
|
|
|
|
~BlocksSynthDemo()
|
|
{
|
|
if (activeBlock != nullptr)
|
|
detachActiveBlock();
|
|
|
|
topologySource.removeListener (this);
|
|
}
|
|
|
|
void paint (Graphics& g) override
|
|
{
|
|
g.setColour (getLookAndFeel().findColour (Label::textColourId));
|
|
g.drawText ("Connect a Lightpad Block to play.",
|
|
getLocalBounds(), Justification::centred, false);
|
|
}
|
|
|
|
void resized() override
|
|
{
|
|
#if JUCE_IOS
|
|
connectButton.setBounds (getRight() - 100, 20, 80, 30);
|
|
#endif
|
|
}
|
|
|
|
/** Overridden from TopologySource::Listener, called when the topology changes */
|
|
void topologyChanged() override
|
|
{
|
|
// Reset the activeBlock object
|
|
if (activeBlock != nullptr)
|
|
detachActiveBlock();
|
|
|
|
// Get the array of currently connected Block objects from the PhysicalTopologySource
|
|
auto blocks = topologySource.getCurrentTopology().blocks;
|
|
|
|
// Iterate over the array of Block objects
|
|
for (auto b : blocks)
|
|
{
|
|
// Find the first Lightpad
|
|
if (b->getType() == Block::Type::lightPadBlock)
|
|
{
|
|
activeBlock = b;
|
|
|
|
// Register BlocksSynthDemo as a listener to the touch surface
|
|
if (auto surface = activeBlock->getTouchSurface())
|
|
surface->addListener (this);
|
|
|
|
// Register BlocksSynthDemo as a listener to any buttons
|
|
for (auto button : activeBlock->getButtons())
|
|
button->addListener (this);
|
|
|
|
// Get the LEDGrid object from the Lightpad and set its program to the program for the current mode
|
|
if (auto grid = activeBlock->getLEDGrid())
|
|
{
|
|
// Work out scale factors to translate X and Y touches to LED indexes
|
|
scaleX = static_cast<float> (grid->getNumColumns() - 1) / activeBlock->getWidth();
|
|
scaleY = static_cast<float> (grid->getNumRows() - 1) / activeBlock->getHeight();
|
|
|
|
setLEDProgram (*activeBlock);
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
/** Overridden from TouchSurface::Listener. Called when a Touch is received on the Lightpad */
|
|
void touchChanged (TouchSurface&, const TouchSurface::Touch& touch) override
|
|
{
|
|
if (currentMode == waveformSelectionMode && touch.isTouchStart && allowTouch)
|
|
{
|
|
if (auto* waveshapeProgram = getWaveshapeProgram())
|
|
{
|
|
// Change the displayed waveshape to the next one
|
|
++waveshapeMode;
|
|
|
|
if (waveshapeMode > 3)
|
|
waveshapeMode = 0;
|
|
|
|
waveshapeProgram->setWaveshapeType (static_cast<uint8> (waveshapeMode));
|
|
|
|
allowTouch = false;
|
|
startTimer (250);
|
|
}
|
|
}
|
|
else if (currentMode == playMode)
|
|
{
|
|
if (auto* gridProgram = getGridProgram())
|
|
{
|
|
// Translate X and Y touch events to LED indexes
|
|
auto xLed = roundToInt (touch.startX * scaleX);
|
|
auto yLed = roundToInt (touch.startY * scaleY);
|
|
|
|
// Limit the number of touches per second
|
|
constexpr auto maxNumTouchMessagesPerSecond = 100;
|
|
auto now = Time::getCurrentTime();
|
|
clearOldTouchTimes (now);
|
|
|
|
auto midiChannel = waveshapeMode + 1;
|
|
|
|
// Send the touch event to the DrumPadGridProgram and Audio class
|
|
if (touch.isTouchStart)
|
|
{
|
|
gridProgram->startTouch (touch.startX, touch.startY);
|
|
audio.noteOn (midiChannel, layout.getNoteNumberForPad (xLed, yLed), touch.z);
|
|
}
|
|
else if (touch.isTouchEnd)
|
|
{
|
|
gridProgram->endTouch (touch.startX, touch.startY);
|
|
audio.noteOff (midiChannel, layout.getNoteNumberForPad (xLed, yLed), 1.0);
|
|
}
|
|
else
|
|
{
|
|
if (touchMessageTimesInLastSecond.size() > maxNumTouchMessagesPerSecond / 3)
|
|
return;
|
|
|
|
gridProgram->sendTouch (touch.x, touch.y, touch.z,
|
|
layout.touchColour);
|
|
|
|
// Send pitch change and pressure values to the Audio class
|
|
audio.pitchChange (midiChannel, (touch.x - touch.startX) / activeBlock->getWidth());
|
|
audio.pressureChange (midiChannel, touch.z);
|
|
}
|
|
|
|
touchMessageTimesInLastSecond.add (now);
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Overridden from ControlButton::Listener. Called when a button on the Lightpad is pressed */
|
|
void buttonPressed (ControlButton&, Block::Timestamp) override {}
|
|
|
|
/** Overridden from ControlButton::Listener. Called when a button on the Lightpad is released */
|
|
void buttonReleased (ControlButton&, Block::Timestamp) override
|
|
{
|
|
// Turn any active synthesiser notes off
|
|
audio.allNotesOff();
|
|
|
|
// Switch modes
|
|
if (currentMode == waveformSelectionMode)
|
|
currentMode = playMode;
|
|
else if (currentMode == playMode)
|
|
currentMode = waveformSelectionMode;
|
|
|
|
// Set the LEDGrid program to the new mode
|
|
setLEDProgram (*activeBlock);
|
|
}
|
|
|
|
/** Clears the old touch times */
|
|
void clearOldTouchTimes (const Time now)
|
|
{
|
|
for (auto i = touchMessageTimesInLastSecond.size(); --i >= 0;)
|
|
if (touchMessageTimesInLastSecond.getReference(i) < now - RelativeTime::seconds (0.33))
|
|
touchMessageTimesInLastSecond.remove (i);
|
|
}
|
|
|
|
/** Removes TouchSurface and ControlButton listeners and sets activeBlock to nullptr */
|
|
void detachActiveBlock()
|
|
{
|
|
if (auto surface = activeBlock->getTouchSurface())
|
|
surface->removeListener (this);
|
|
|
|
for (auto button : activeBlock->getButtons())
|
|
button->removeListener (this);
|
|
|
|
activeBlock = nullptr;
|
|
}
|
|
|
|
/** Sets the LEDGrid Program for the selected mode */
|
|
void setLEDProgram (Block& block)
|
|
{
|
|
if (currentMode == waveformSelectionMode)
|
|
{
|
|
// Set the LEDGrid program
|
|
block.setProgram (new WaveshapeProgram (block));
|
|
|
|
// Initialise the program
|
|
if (auto* waveshapeProgram = getWaveshapeProgram())
|
|
{
|
|
waveshapeProgram->setWaveshapeType (static_cast<uint8> (waveshapeMode));
|
|
waveshapeProgram->generateWaveshapes();
|
|
}
|
|
}
|
|
else if (currentMode == playMode)
|
|
{
|
|
// Set the LEDGrid program
|
|
auto error = block.setProgram (new DrumPadGridProgram (block));
|
|
|
|
if (error.failed())
|
|
{
|
|
DBG (error.getErrorMessage());
|
|
jassertfalse;
|
|
}
|
|
|
|
// Setup the grid layout
|
|
if (auto* gridProgram = getGridProgram())
|
|
gridProgram->setGridFills (layout.numColumns, layout.numRows, layout.gridFillArray);
|
|
}
|
|
}
|
|
|
|
/** Stops touch events from triggering multiple waveshape mode changes */
|
|
void timerCallback() override { allowTouch = true; }
|
|
|
|
//==============================================================================
|
|
DrumPadGridProgram* getGridProgram()
|
|
{
|
|
if (activeBlock != nullptr)
|
|
return dynamic_cast<DrumPadGridProgram*> (activeBlock->getProgram());
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
WaveshapeProgram* getWaveshapeProgram()
|
|
{
|
|
if (activeBlock != nullptr)
|
|
return dynamic_cast<WaveshapeProgram*> (activeBlock->getProgram());
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
//==============================================================================
|
|
enum BlocksSynthMode
|
|
{
|
|
waveformSelectionMode = 0,
|
|
playMode
|
|
};
|
|
|
|
BlocksSynthMode currentMode = playMode;
|
|
|
|
//==============================================================================
|
|
Audio audio;
|
|
|
|
SynthGrid layout { 5, 5 };
|
|
PhysicalTopologySource topologySource;
|
|
Block::Ptr activeBlock;
|
|
|
|
Array<Time> touchMessageTimesInLastSecond;
|
|
|
|
int waveshapeMode = 0;
|
|
|
|
float scaleX = 0.0f;
|
|
float scaleY = 0.0f;
|
|
|
|
bool allowTouch = true;
|
|
|
|
//==============================================================================
|
|
#if JUCE_IOS
|
|
TextButton connectButton;
|
|
#endif
|
|
|
|
//==============================================================================
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (BlocksSynthDemo)
|
|
};
|