GLTFMesh.h | Ansys Developer Portal

/*
 * Copyright 2018-2021 ANSYS, Inc. Unauthorized use, distribution, or duplication is prohibited.
 * 
 * Restricted Rights Legend
 *
 * Use, duplication, or disclosure of this
 * software and its documentation by the
 * Government is subject to restrictions as
 * set forth in subdivision [(b)(3)(ii)] of
 * the Rights in Technical Data and Computer
 * Software clause at 52.227-7013.
 */
#ifndef __INCLUDED_GLTF_GLTFMESH__
#define __INCLUDED_GLTF_GLTFMESH__
 
#include "GLTFCommon.h"
#include "GLTFObject.h"
 
namespace ANSYS { namespace Nexus { namespace GLTFWriter {
    class GLTF;
    class Attribute;
    class Index;
    class Material;
    class Texture;
 
    class Primitive : public Object
    {
    public:
        enum PrimitiveType
        {
            PT_POINTS = 0, 
            PT_LINES = 1, 
            PT_LINE_LOOP = 2, 
            PT_LINE_STRIP = 3, 
            PT_TRIANGLES = 4, 
            PT_TRIANGLE_STRIP = 5, 
            PT_TRIANGLE_FAN = 6 
        };
        enum PrimitiveXAttachment
        {
            PXA_NONE, 
            PXA_LEFT, 
            PXA_CENTER, 
            PXA_RIGHT 
        };
        enum PrimitiveYAttachment
        {
            PYA_NONE, 
            PYA_BOTTOM, 
            PYA_CENTER, 
            PYA_TOP 
        };
 
    protected:
        virtual ~Primitive() {}
 
    public:
        static GLTFWRITERSPEC Primitive *Create(GLTF *gltf, 
            PrimitiveType type, 
            Material *material, 
            Index *indices = 0, 
            bool isPickable = true 
        );
 
        GLTFWRITERSPEC virtual Primitive *Mirror() = 0;
        GLTFWRITERSPEC virtual bool AppendAttribute(Attribute *attribute 
        ) = 0;
        static GLTFWRITERSPEC Primitive *Create2DTexture(GLTF *gltf, 
            Texture *texture, 
            float width, 
            float height, 
            PrimitiveXAttachment xAttach = PXA_LEFT, 
            PrimitiveYAttachment yAttach = PYA_CENTER 
        );
        static GLTFWRITERSPEC Primitive *Create2DTexture(GLTF *gltf, 
            Texture *texture, 
            float width, 
            float height, 
            float x = 0, 
            float y = 0 
        );
    };
 
    class Mesh : public Object
    {
    protected:
        virtual ~Mesh() {}
 
    public:
        static GLTFWRITERSPEC Mesh *Create(GLTF *gltf 
        );
 
        GLTFWRITERSPEC virtual Mesh *Mirror() = 0;
        GLTFWRITERSPEC virtual bool AppendPrimitive(Primitive *primitive 
        ) = 0;
        GLTFWRITERSPEC virtual unsigned int NumPrimitives() const = 0;
    };
 
} } }
 
#endif
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