lodmaxblob.h

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/*
* Copyright 2016 Autodesk, Inc. All rights reserved.
* Use of this software is subject to the terms of the Autodesk license agreement and any attachments or Appendices thereto provided at the time of installation or download,
* or which otherwise accompanies this software in either electronic or hard copy form, or which is signed by you and accepted by Autodesk.
*/


#pragma once

#include "gwnavruntime/blob/blobtypes.h"
#include "gwnavruntime/blob/baseblobbuilder.h"
#include "gwnavruntime/math/vec3f.h"
#include "gwnavruntime/math/box3f.h"
#include "gwnavruntime/visualsystem/displaylist.h"
#include "gwnavruntime/visualsystem/idisplaylistbuilder.h"
#include "gwnavruntime/visualsystem/displaylistblob.h"
#include "gwnavruntime/world/runtimeblobcategory.h"


namespace Kaim
{


class LodMaxBlob
{
    KY_ROOT_BLOB_CLASS(Runtime, LodMaxBlob, 0)

public:
    LodMaxBlob() : m_visualDebugId(KyUInt32MAXVAL) {}

    KyUInt32 m_visualDebugId;   // the id of the visualdebug element.
    Vec3f m_shapePosition;      // the 3D position of the shape.
};

inline void SwapEndianness(Kaim::Endianness::Target e, LodMaxBlob& self)
{
    SwapEndianness(e, self.m_visualDebugId);
    SwapEndianness(e, self.m_shapePosition);
}


class LodMaxBlobBuilder : public BaseBlobBuilder<LodMaxBlob>
{
public:
    LodMaxBlobBuilder(KyUInt32 visualDebugId, const Vec3f& shapePosition)
        : m_visualDebugId(visualDebugId), m_shapePosition(shapePosition) {}

    virtual void DoBuild()
    {
        BLOB_SET(m_blob->m_visualDebugId, m_visualDebugId);
        BLOB_SET(m_blob->m_shapePosition, m_shapePosition);
    }
private:
    KyUInt32 m_visualDebugId;
    Vec3f m_shapePosition;
};


class LodMaxHintDisplayListBuilder
{
public:
    static void DisplayLodMaxHint(DisplayList* displayList, const LodMaxBlob* lodMaxBlob)
    {
        if (lodMaxBlob == nullptr)
            return;

        KyFloat32 radius = 0.3f;
        KyFloat32 radius_div_3 = radius / 3.0f;

        ShapeColor shapeColor(Color::Yellow, Color::Fade(Color::Yellow, 0.8f));

        // Horizontal box

        Vec3f horizontalBoxMin = lodMaxBlob->m_shapePosition;
        horizontalBoxMin.x -= radius;
        horizontalBoxMin.y -= radius_div_3;
        horizontalBoxMin.z -= radius_div_3;

        Vec3f horizontalBoxMax = lodMaxBlob->m_shapePosition;
        horizontalBoxMax.x += radius;
        horizontalBoxMax.y += radius_div_3;
        horizontalBoxMax.z += radius_div_3;

        displayList->PushBox(Box3f(horizontalBoxMin, horizontalBoxMax), shapeColor);


        // Vertical box

        Vec3f verticalBoxMin = lodMaxBlob->m_shapePosition;
        verticalBoxMin.x -= radius_div_3;
        verticalBoxMin.y -= radius_div_3;
        verticalBoxMin.z -= radius;

        Vec3f verticalBoxMax = lodMaxBlob->m_shapePosition;
        verticalBoxMax.x += radius_div_3;
        verticalBoxMax.y += radius_div_3;
        verticalBoxMax.z += radius;

        displayList->PushBox(Box3f(verticalBoxMin, verticalBoxMax), shapeColor);
    }
};

}