GRectangle.h

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#pragma once
 
#include "Actor/Geometry/Geometry.h"
#include "SDL/sdl_interface.h"
 
#include <Common/primitive_type.h>
 
namespace ph
{
 
class GTriangleMesh;
 
class GRectangle : public Geometry
{
public:
    void storeCooked(
        CookedGeometry& out_geometry,
        const CookingContext& ctx) const override;
 
    void genPrimitive(
        const PrimitiveBuildingMaterial& data,
        std::vector<std::unique_ptr<Primitive>>& out_primitives) const override;
 
    std::shared_ptr<Geometry> genTransformed(
        const math::StaticAffineTransform& transform) const override;
 
    GRectangle& setWidth(real width);
    GRectangle& setHeight(real height);
    GRectangle& setTexCoordScale(const real scale);
 
private:
    real m_width;
    real m_height;
    real m_texCoordScale;
 
    std::shared_ptr<GTriangleMesh> genTriangleMesh() const;
 
    static bool checkData(const PrimitiveBuildingMaterial& data, const real width, const real height);
    static bool checkData(real width, real height);
 
public:
    PH_DEFINE_SDL_CLASS(TSdlOwnerClass<GRectangle>)
    {
        ClassType clazz("rectangle");
        clazz.docName("Rectangular Geometry");
        clazz.description("A rectangular shape on xy-plane. It is centered around origin.");
        clazz.baseOn<Geometry>();
 
        TSdlReal<OwnerType> width("width", &OwnerType::m_width);
        width.description("Width of the rectangle.");
        width.defaultTo(1);
        clazz.addField(width);
 
        TSdlReal<OwnerType> height("height", &OwnerType::m_height);
        height.description("Height of the rectangle.");
        height.defaultTo(1);
        clazz.addField(height);
 
        TSdlReal<OwnerType> texCoordScale("texcoord-scale", &OwnerType::m_texCoordScale);
        texCoordScale.description("A scaling factor that scales the default-generated texture coordinates.");
        texCoordScale.defaultTo(1);
        texCoordScale.optional();
        clazz.addField(texCoordScale);
 
        return clazz;
    }
};
 
}// end namespace ph