DatasmithExportOptions.h

// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "DatasmithUtils.h"
 
/**
 * Never: it won't force the creation of a UV channel for lightmap, if one already exists it will be exported
 * IfNotPresent: if a channel already exists it will be used, if not a new automatic UV projection will be created
 * Always: it will create the UV channel overwritting existing data
 */
enum class EDSExportLightmapUV
{
    Never,
    IfNotPresent,
    Always
};
 
/**
 * OriginalFolder: keeps the textures (and its resized copies if needed) in the original folder
 * ExportFolder: copy the textures to the export path
 */
enum class EDSResizedTexturesPath
{
    OriginalFolder,
    ExportFolder
};
 
class DATASMITHEXPORTER_API FDatasmithExportOptions
{
public:
 
    /** Creation of automatic flatten projection of UVs to be used on lightmaps */
    static EDSExportLightmapUV LightmapUV;
    /** Policy to create GPU friendly texture sizes */
    static EDSResizeTextureMode ResizeTexturesMode;
    /** it sets where the resized textures will be stored */
    static EDSResizedTexturesPath PathTexturesMode;
    /** Maximum texture size allowed, this will be used in conjuction with ResizeTexturesMode */
    static int32 MaxTextureSize;
    static const int32 MaxUnrealSupportedTextureSize;
 
    /** Gamma of colors, usually 2.2 for Linear Workflow or 1.0 for classic workflow */
    static float ColorGamma;
};