// Simple Obj Loader from https://www.dkscript.com/wiki/SampleCodes/ObjLoader
// but using tinyObjLoader for MTL convenience

#pragma once

#include <DK.h>

class ObjImportUtil
{
public:
    struct ObjVertex
    {
        DKVector3 inPos;
        DKVector3 inColor;
        DKVector3 inNormal;
        DKVector2 inTexCoord;

        int Compare(const ObjVertex& Other) const;

        inline bool operator > (const ObjVertex& Other) const
        {
            return Compare(Other) > 0;
        }

        inline bool operator < (const ObjVertex& Other) const
        {
            return Compare(Other) < 0;
        }
    };

    struct ObjImportedMeshData
    {
        DKArray<ObjVertex> vertices;
        DKArray<uint32_t> indices;
        DKAabb aabb;
        uint32_t vertexSize;
    };

    static ObjImportedMeshData LoadFromObjFile(
        const DKString& inPath
        , DKResourcePool& inDKResourcePool);
};