fbxLoader = {
    predictMaterial = function(params) 
        print("Predict material function")
        print("File Path: " .. params.fbxName)
        print("Material name: " .. params.fbxMaterialName) -- From FBX
        print("Textures: ")
        for k, v in ipairs(params.textures) do
            print(" * " .. v)
        end
        if string.match( params.fbxMaterialName,"PNOUA$") then

            return "::physical_nrml_map_op_uv1_ao_op_mask.mat.lua"
        
        elseif string.match( params.fbxMaterialName,"PNOL$") then

            return "::physical_nrml_map_op_uv1_ao_light.mat.lua"
        end

        -- return "::physical_nrml_map_op_uv1_ao_light.mat.lua"

    end,
    overrideProperties = function(params)
        print("Override material properties function")
        print("File Path: " .. params.fbxName)
        print("Material name: " .. params.fbxMaterialName) -- From FBX -- From FBX
        print("Material type: " .. params.materialType)  --use this for specific changes fore lods
       
        for k, v in pairs(params.properties) do
            print(" * " .. k)
            print("   " .. tostring(v))
        end
        
        if params.properties.map_id  then
			params.properties.map_id = { 
				fragmentProperties = { },
				fragmentSamplers = { 
					idTex = { 
						fileName = params.fbxPath .. "/".. params.fbxName .."id.tga",
                        type = "TWOD",
                        magFilter = "NEAREST",
						minFilter = "NEAREST_MIPMAP_NEAREST",
						scaleDownAllowed = true,
						maxDegreeOfAnisotropy = 0,
					},
				},
				vertexProperties = { },
			}
        end
		

		if params.fbxMaterialName:match"lod2|PNL$" and params.properties.map_id  then
			params.properties.map_id = { 
				fragmentProperties = { },
				fragmentSamplers = { 
					idTex = { 
						fileName = params.fbxPath .. "/".. params.fbxName .."lod_id.tga" ,
						type = "TWOD",
						magFilter = "NEAREST",
						minFilter = "NEAREST_MIPMAP_NEAREST",
						scaleDownAllowed = true,
						maxDegreeOfAnisotropy = 0,
					},
				},
				vertexProperties = { },
			}
		end
	


        if params.properties.map_ao  then
			params.properties.map_ao = { 
				fragmentProperties = { },
				fragmentSamplers = { 
					aoTex = { 
						fileName = params.fbxPath .. "/".. params.fbxName .."ao.tga",
						type = "TWOD",

					},
				},
				vertexProperties = { },
			}
        end
       if params.properties.map_op_2 then
			params.properties.map_op_2 = { 
				fragmentProperties = {
				
				},
				fragmentSamplers = {
                opTex2 = {
                    fileName = "::res/textures/buildings/dirtmap2.dds",
                    type = "TWOD",
                    wrapS = "REPEAT",
                    wrapT = "REPEAT",
                 },
                },
				vertexProperties = { },
			}
        end

        if params.properties.map_op_1 then
			params.properties.map_op_1 = { 
				fragmentProperties = {
				
				},
				fragmentSamplers = {
                opTex1 = {
                    fileName = "::res/textures/buildings/overlay.dds",
                    type = "TWOD",
                    wrapS = "REPEAT",
                    wrapT = "REPEAT",
                 },
                },
				vertexProperties = { },
			}
        end

        if params.properties.operation_2 then
			params.properties.operation_2 = { 
				fragmentProperties = {
                    {
                        op = "MULTIPLICATION",
                        mode = "OFFSET_TEXCOORD",
                        scale = {0.2,0.2},
                        opacity = 0.35,
                    },
                    
                 },
                
				
				fragmentSamplers = { },
				vertexProperties = { },
			}
        end

		if params.fbxMaterialName:match"|PNOL$" and params.properties.operation_2  then
					params.properties.operation_2 = { 
						fragmentProperties = {
						{
							op = "NO_OP",

						},
                    
					},
						fragmentSamplers = { },
						vertexProperties = { },
			}
		end



        if params.properties.operation_1 then
			params.properties.operation_1 = { 
				fragmentProperties = {
                    {
                        op = "OVERLAY",
                        mode = "OFFSET_TEXCOORD",
                        scale = {0.04,0.04},
                        opacity = 0.8,
                    },
                    
                },
				
				fragmentSamplers = { },
				vertexProperties = { },
			}
        end
		
		if params.fbxMaterialName:match"|PNOL$" and params.properties.operation_1  then
					params.properties.operation_1 = { 
						fragmentProperties = {
						{
							op = "NO_OP",

						},
                    
					},
						fragmentSamplers = { },
						vertexProperties = { },
			}
		end

		
        if params.properties.two_sided then
			params.properties.two_sided = { 
				fragmentProperties = {
                    {
                        twoSided = true,

                    },
                    
                },
				
				fragmentSamplers = { },
				vertexProperties = { },
			}
        end
        if params.properties.alpha_test then
			params.properties.alpha_test = { 
				fragmentProperties = {
                    {
                        cutout = true,
						sorted = false,

                    },
                    
                },
				
				fragmentSamplers = { },
				vertexProperties = { },
			}
        end

        return params.properties
    end
}