UvSwapMesh.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "TransformMesh.hpp"
 
namespace CeresEngine::MeshGenerator {
 
    template<typename Mesh> class UvSwapMesh {
    private:
        using Impl = TransformMesh<Mesh>;
        Impl mTransformMesh;
 
    public:
        UvSwapMesh(Mesh mesh)
                : mTransformMesh{std::move(mesh), [](MeshVertex& vertex) {
                                     std::swap(vertex.texCoord[0], vertex.texCoord[1]);
                                 }} {}
 
        using Triangles = typename Impl::Triangles;
 
        [[nodiscard]] Triangles triangles() const noexcept { return mTransformMesh.triangles(); }
 
        using Vertices = typename Impl::Vertices;
 
        [[nodiscard]] Vertices vertices() const noexcept { return mTransformMesh.vertices(); }
    };
 
    template<typename Mesh> UvSwapMesh<Mesh> uvSwapMesh(Mesh mesh) { return UvSwapMesh<Mesh>{std::move(mesh)}; }
 
} // namespace CeresEngine::MeshGenerator