f@0: #pragma once
f@0: 
f@0: 
f@0: #include "cinder/app/App.h"
f@0: #include "cinder/gl/gl.h"
f@0: #include "cinder/gl/Batch.h"
f@0: 
f@0: 
f@0: #include "Chunk.h"
f@0: #include "DrawInfo.h"
f@0: 
f@0: #ifdef USE_PARTICLES
f@0: #include "ParticleController.h"
f@0: #endif 
f@0: 
f@0: #include "cinder/Color.h"
f@0: #include "cinder/PolyLine.h"
f@0: #include "cinder/Rand.h"
f@0: 
f@0: #include <vector>
f@0: #include <map>
f@0: 
f@0: 
f@0: class DrawInfo;
f@0: typedef int SynthID;
f@0: 
f@0: 
f@0: using ci::ivec2;
f@0: using ci::vec2;
f@0: using ci::Color;
f@0: using ci::ColorA;
f@0: 
f@0: struct Cursor {
f@0:     static const int kNoPosition = -100;
f@0:     int pos;
f@0:     double lastUpdate;
f@0: };
f@0: 
f@0: 
f@0: class Wave
f@0: {
f@0: 	friend class ParticleController;
f@0: 
f@0: public:
f@0: 
f@0: 	class Selection {
f@0: 		
f@0: 	public:
f@0: 
f@0:         Selection( Wave * w, Color color );
f@0:         
f@0:         void setStart( size_t start );
f@0: 
f@0: 		void setSize( size_t size );
f@0: 		
f@0:         void inline setParticleSpread( float spread ){
f@0:             mParticleSpread = spread;
f@0: 		}
f@0: 
f@0: 		size_t getStart(void) const { return mSelectionStart; }
f@0: 		
f@0:         size_t getEnd(void) const { return mSelectionEnd; }
f@0: 
f@0: 		size_t inline getSize(void) const { 
f@0: 			if (mNull)
f@0: 				return 0;
f@0: 			else
f@0: 				return 1 + mSelectionEnd - mSelectionStart; 
f@0: 		}
f@0: 
f@0: 		float inline  getParticleSpread() const { return mParticleSpread; }
f@0: 
f@0: 		inline void setToNull(){
f@0:             mParticleSpread = 1.0f;
f@0: 			mNull = true;
f@0: 		}
f@0: 
f@0: 		inline bool isNull() const{
f@0: 			return mNull;
f@0: 		}
f@0: 
f@0: 		inline const Color & getColor() const{
f@0: 			return mColor;
f@0: 		}
f@0: 
f@0:     private:
f@0: 
f@0:         size_t mSelectionStart;
f@0:         
f@0:         size_t mSelectionEnd;
f@0:         
f@0:         float mParticleSpread;
f@0: 
f@0:         bool mNull = true;
f@0: 
f@0:         Color mColor;
f@0: 
f@0:         Wave * mWave;
f@0: 
f@0: 	}; // class Selection
f@0: 
f@0: 	
f@0: 
f@0: #ifdef USE_PARTICLES
f@0: 	ParticleController mParticleController;
f@0: #endif 
f@0: 
f@0: 	
f@0: 
f@0: 	/* there is one cursor for each Synth being played */
f@0: 	std::map < SynthID, Cursor > mCursors;
f@0: 	std::vector<int> mCursorsPos;
f@0: 
f@0: public:
f@0: 	
f@0:     // note used to identify the loop for cursor position 
f@0:     static const int kLoopNote = -1;
f@0: 	static const cinder::Color CURSOR_CLR;
f@0: 	/* must be in sync with supercollider durationFactor ControlSpec max */
f@0: 	static const int MAX_DURATION = 8;
f@0: #ifdef USE_PARTICLES
f@0: 	static const int PARTICLESIZE_COEFF = 40;
f@0: #endif
f@0: 
f@0: 	void reset(bool onlyChunks);
f@0: 
f@0: 	void setChunk(size_t index, float bottom, float top);
f@0: 
f@0: 	const Chunk & getChunk(size_t index);
f@0: 
f@0:     inline void setCursorPos( SynthID id, int pos, const DrawInfo& di ){
f@0: 
f@0: 	    Cursor & cursor = mCursors[id];
f@0: 	    cursor.pos = pos;
f@0: 	    cursor.lastUpdate = ci::app::getElapsedSeconds();
f@0: 
f@0: #ifdef USE_PARTICLES
f@0: 	    /* if the duration is greater than 1.0 carry on the cursor as a particle
f@0: 	    the smaller the selection the more particles
f@0: 	    the bigger the duration the more particles */
f@0: 	    if (mSelection.getParticleSpread() > 1.0f){
f@0: 		    /* amountCoeff ranges from 1/8 to 1 */
f@0:             const float amountCoeff = (mSelection.getParticleSpread() / MAX_DURATION);
f@0:                 
f@0:             /* get radom point within seleciton as center of the particle */
f@0:             vec2 centrePoint; // was former getRandomPoint
f@0:             const int randomChunkIndex = ci::Rand::randInt(mSelection.getStart(), mSelection.getEnd() );
f@0: 
f@0:             centrePoint.x = di.flipX( 1 + (randomChunkIndex * (2 + Chunk::kWidth)) + Chunk::kWidth / 2 );
f@0:             centrePoint.y = di.flipY( di.audioToHeigt(0.0) );
f@0: 
f@0:             const float wavePixelLen = mNumChunks * ( 2 + Chunk::kWidth);
f@0: 		    centrePoint.x *= float(di.getWindowWidth()) / wavePixelLen;
f@0: 
f@0: 		    mParticleController.addParticles(
f@0:                 std::max( 1, (int)(amountCoeff * ParticleController::kMaxParticleAdd * mFilterCoeff) ), // amount of particles to add 
f@0: 			    centrePoint,
f@0:                 mSelection.getParticleSpread() * PARTICLESIZE_COEFF   // size of the cloud 
f@0: 			    );
f@0: 	    }
f@0: #endif
f@0: 
f@0: 		
f@0: 	}
f@0: 
f@0:     void update( double secondsPerChunk, const DrawInfo& di );
f@0: 
f@0:     void removeCursor( SynthID id ) { mCursors.erase( id ); }
f@0: 
f@0:     // parameter ranges from 0 to 1 
f@0: 	inline void setselectionAlpha(float alpha){ mFilterCoeff = alpha;}
f@0: 
f@0:     void draw( const DrawInfo& di );
f@0: 
f@0: 	Selection& getSelection() { return mSelection; };
f@0: 
f@0: 	size_t getSize() const{ return mChunks.size();  }
f@0: 
f@0: 	void setScopePoint(int index, float audioVal);
f@0: 
f@0:     Wave( size_t numChunks, Color selectionColor );
f@0: 
f@0:     // no copies 
f@0:     Wave( const Wave &copy ) = delete;
f@0:     Wave & operator=(const Wave &copy) = delete;
f@0: 
f@0: 
f@0: private:
f@0:     
f@0:     const size_t mNumChunks;
f@0: 
f@0:     std::vector<Chunk> mChunks;
f@0:     
f@0:     Selection mSelection;
f@0: 
f@0:     cinder::Color mColor;
f@0: 
f@0:     float mFilterCoeff;
f@0: 
f@0:     ci::gl::BatchRef mChunkBatch;
f@0: 
f@0: };
f@0: