New directory tree, with preprocessor/ inside interpretor/.

[Faustine.git] / interpretor / preprocessor / faust-0.9.47mr3 / architecture / osclib / faust / src / nodes / FaustNode.h

diff --git a/interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/nodes/FaustNode.h b/interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/nodes/FaustNode.h
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+++ b/interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/faust/src/nodes/FaustNode.h
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+/*
+
+  Copyright (C) 2011 Grame
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+  Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
+  research@grame.fr
+
+*/
+
+
+#ifndef __FaustNode__
+#define __FaustNode__
+
+#include <string>
+#include <vector>
+
+#include "MessageDriven.h"
+
+namespace oscfaust
+{
+
+class FaustNode;
+typedef class SMARTP<FaustNode>        SFaustNode;
+
+/**
+ * map (rescale) input values to output values
+ */
+struct mapping
+{
+       const float fMinIn;     
+       const float fMaxIn;
+       const float fMinOut;
+       const float fMaxOut;
+       const float fScale;
+
+       mapping(float imin, float imax, float omin, float omax) : fMinIn(imin), fMaxIn(imax), 
+                                                                                       fMinOut(omin), fMaxOut(omax), 
+                                                                                       fScale( (fMaxOut-fMinOut)/(fMaxIn-fMinIn) ) {}
+       float scale (float x) { float z = (x < fMinIn) ? fMinIn : (x > fMaxIn) ? fMaxIn : x; return fMinOut + (z - fMinIn) * fScale; }
+};
+
+
+//--------------------------------------------------------------------------
+/*!
+       \brief a faust node is a terminal node and represents a faust parameter controler
+*/
+class FaustNode : public MessageDriven
+{
+       float * fZone;                  // the parameter memory zone
+       mapping fMapping;
+       
+       bool store (float val);
+
+       protected:
+               FaustNode(const char *name, float* zone, float init, float min, float max, const char* prefix) 
+                       : MessageDriven (name, prefix), fZone(zone), fMapping(min, max, min, max) 
+                       { *zone = init; }
+                       
+               FaustNode(const char *name, float* zone,  float imin, float imax, float init, float min, float max, const char* prefix) 
+                       : MessageDriven (name, prefix), fZone(zone), fMapping(imin, imax, min, max) 
+                       { *zone = init; }
+               virtual ~FaustNode() {}
+
+       public:
+               static SFaustNode create (const char* name, float* zone, float init, float min, float max, const char* prefix)  
+                                                       { return new FaustNode(name, zone, init, min, max, prefix); }
+               static SFaustNode create (const char* name, float* zone, float imin, float imax, float init, float min, float max, const char* prefix)  
+                                                       { return new FaustNode(name, zone, imin, imax, init, min, max, prefix); }
+
+
+               virtual bool    accept( const Message* msg );                   ///< handler for the 'accept' message
+               virtual void    get (unsigned long ipdest) const;               ///< handler for the 'get' message
+};
+
+} // end namespoace
+
+#endif