MRChangePointCloudAction.h

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#pragma once
#include "MRHistoryAction.h"
#include "MRObjectPoints.h"
#include "MRPointCloud.h"
#include "MRHeapBytes.h"
#include <memory>
 
 
namespace MR
{
 
class ChangePointCloudAction : public HistoryAction
{
public:
    using Obj = ObjectPoints;
 
    ChangePointCloudAction( std::string name, const std::shared_ptr<ObjectPoints>& obj ) :
        objPoints_{ obj },
        name_{ std::move( name ) }
    {
        if ( obj )
        {
            if ( auto m = obj->pointCloud() )
                clonePointCloud_ = std::make_shared<PointCloud>( *m );
        }
    }
 
    virtual std::string name() const override { return name_; }
 
    virtual void action( HistoryAction::Type ) override
    {
        if ( !objPoints_ )
            return;
 
        objPoints_->swapPointCloud( clonePointCloud_ );
    }
 
    static void setObjectDirty( const std::shared_ptr<ObjectPoints>& obj )
    {
        if ( obj )
            obj->setDirtyFlags( DIRTY_ALL );
    }
 
    [[nodiscard]] virtual size_t heapBytes() const override
    { return name_.capacity() + MR::heapBytes( clonePointCloud_ ); }
 
private:
    std::shared_ptr<ObjectPoints> objPoints_;
    std::shared_ptr<PointCloud> clonePointCloud_;
 
    std::string name_;
};
 
class ChangePointCloudPointsAction : public HistoryAction
{
public:
    using Obj = ObjectPoints;
 
    ChangePointCloudPointsAction( std::string name, const std::shared_ptr<ObjectPoints>& obj ) :
        objPoints_{ obj },
        name_{ std::move( name ) }
    {
        if ( obj )
        {
            if ( auto m = obj->pointCloud() )
                clonePoints_ = m->points;
        }
    }
 
    virtual std::string name() const override
    {
        return name_;
    }
 
    virtual void action( HistoryAction::Type ) override
    {
        if ( !objPoints_ )
            return;
 
        if ( auto m = objPoints_->varPointCloud() )
        {
            std::swap( m->points, clonePoints_ );
            objPoints_->setDirtyFlags( DIRTY_POSITION );
        }
    }
 
    static void setObjectDirty( const std::shared_ptr<ObjectPoints>& obj )
    {
        if ( obj )
            obj->setDirtyFlags( DIRTY_POSITION );
    }
 
    [[nodiscard]] virtual size_t heapBytes() const override
    {
        return name_.capacity() + clonePoints_.heapBytes();
    }
 
private:
    std::shared_ptr<ObjectPoints> objPoints_;
    VertCoords clonePoints_;
 
    std::string name_;
};
 
}