FlowControl.h

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//
//  FlowControl.h
//  flowviz
//
//  Created by Johann Götz on 07.06.15.
//  Copyright (c) 2015 Johann Götz. All rights reserved.
//

#ifndef __flowviz__FlowControl__
#define __flowviz__FlowControl__

#include <stdio.h>
#include <vector>
#include <valarray>

#include "FlowArrow.h"
#include "TimeField.h"
#include "DistanceMap.h"

class ISceneGraphPart;

namespace flowiz {
    
    class FlowControl
    {
    private:
        const float BorderDistance = 30.0f;                 
        const float SeedingDistance = 15.0f;                
        const float SeparationDistance = 4.0f;              
        TimeField *m_timeField;                             
        std::vector<FlowArrow*> m_arrows;                   
        //DistanceMap *m_distanceMap;                         /** @brief distrectisized distance map */
        std::vector<DistanceMap*> m_distanceMaps;            
        render::Texture *m_arrowTexture;                    
        render::Texture *m_circleTexture;                   
        void initializeDistanceMap(FlowArrow *arrow, int timestep);
        
        void updateDistanceMap(FlowArrow *arrow, int timestep);
        
        void updateDistanceMapToTimestamp(int timestep);
        
        bool arrowCanBePlaced(FlowArrow *arrow, int timestep);
        bool arrowCanBePropagated(FlowArrow *arrow, int timestep);
        
    public:
        FlowControl(TimeField *timeField);
        ~FlowControl();
        
        void placeMovingArrows();
        
        void completeTimestepWithArrows(int timestep);
        
        void propagateArrowsOneStep(int time, int deltaTime);
        
        void addArrowsToSceneGraph(render::ISceneGraphPart *graphPart);
        
        void update(float time);
    };
}

#endif /* defined(__flowviz__FlowControl__) */