andrewm@9: /*
andrewm@9:   TouchKeys: multi-touch musical keyboard control software
andrewm@9:   Copyright (c) 2013 Andrew McPherson
andrewm@9: 
andrewm@9:   This program is free software: you can redistribute it and/or modify
andrewm@9:   it under the terms of the GNU General Public License as published by
andrewm@9:   the Free Software Foundation, either version 3 of the License, or
andrewm@9:   (at your option) any later version.
andrewm@9:  
andrewm@9:   This program is distributed in the hope that it will be useful,
andrewm@9:   but WITHOUT ANY WARRANTY; without even the implied warranty of
andrewm@9:   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
andrewm@9:   GNU General Public License for more details.
andrewm@9: 
andrewm@9:   You should have received a copy of the GNU General Public License
andrewm@9:   along with this program.  If not, see <http://www.gnu.org/licenses/>.
andrewm@9:  
andrewm@9:   =====================================================================
andrewm@9:  
andrewm@9:   TouchkeyOscEmulator.h: emulates a TouchKeys source using OSC messages
andrewm@9: */
andrewm@9: 
andrewm@9: #ifndef TOUCHKEYOSCEMULATOR_H_INCLUDED
andrewm@9: #define TOUCHKEYOSCEMULATOR_H_INCLUDED
andrewm@9: 
andrewm@9: #include "Osc.h"
andrewm@9: #include "PianoKeyboard.h"
andrewm@9: 
andrewm@9: class TouchkeyOscEmulator : public OscHandler {
andrewm@9: public:
andrewm@9:     // *** Constructor ***
andrewm@9:     TouchkeyOscEmulator(PianoKeyboard& keyboard, OscMessageSource& messageSource);
andrewm@9:     
andrewm@9:     // *** Destructor ***
andrewm@9:     ~TouchkeyOscEmulator();
andrewm@9:     
andrewm@9:     // *** TouchKeys emulation methods ***
andrewm@9:     int lowestMidiNote() { return lowestMidiNote_; }
andrewm@9: 	void setLowestMidiNote(int note) { lowestMidiNote_ = note; }
andrewm@9:     
andrewm@9:     void allTouchesOff(bool send = true);
andrewm@9:     
andrewm@9:     // *** OSC handler method ***
andrewm@9: 	bool oscHandlerMethod(const char *path, const char *types, int numValues, lo_arg **values, void *data);
andrewm@9: 
andrewm@9:     // *** Data processing methods ***
andrewm@9:     // New touch data point received
andrewm@9:     void touchReceived(int key, int touch, float x, float y);
andrewm@9:     
andrewm@9:     // Touch removed
andrewm@9:     void touchOffReceived(int key, int touch);
andrewm@9:     
andrewm@9: private:
andrewm@9:     void clearTouchData(int i);                     // Clear touch data for a particular key
andrewm@9:     void removeTouchFromFrame(int note, int index); // Remove a particular touch from the frame
andrewm@9:     void addTouchToFrame(int note, int touchId, float x, float y);       // Add a touch with a particular ID
andrewm@9:     void updateTouchInFrame(int note, int index, float x, float y);      // Update the touch at the given index
andrewm@9:     
andrewm@9: private:
andrewm@9: 	PianoKeyboard& keyboard_;           // Main keyboard controller
andrewm@9:     OscMessageSource& source_;          // Source of OSC messages
andrewm@9:     
andrewm@9:     int lowestMidiNote_;                // Lowest MIDI note
andrewm@9:     
andrewm@9:     KeyTouchFrame touchFrames_[127];    // Current state of each virtual TouchKey
andrewm@9:     int touchIdAssignments_[127][3];    // Assignments between OSC touch IDs and TouchKeys touch IDs
andrewm@9: };
andrewm@9: 
andrewm@9: #endif  // TOUCHKEYOSCEMULATOR_H_INCLUDED