function data()
return {
	params = {
		map_albedo_alpha = {
			compressionAllowed = true,
			fileName = "streets/sleepers_wood.tga",
			magFilter = "LINEAR",
			minFilter = "LINEAR_MIPMAP_LINEAR",
			mipmapAlphaScale = 1.2,
			type = "TWOD",
			wrapS = "REPEAT",
			wrapT = "REPEAT",
		},
		map_metal_gloss_ao = {
			compressionAllowed = true,
			fileName = "streets/sleepers_wood_metal_gloss_ao.tga",
			magFilter = "LINEAR",
			minFilter = "LINEAR_MIPMAP_LINEAR",
			mipmapAlphaScale = 0,
			type = "TWOD",
			wrapS = "REPEAT",
			wrapT = "REPEAT",
		},
		map_normal = {
			compressionAllowed = true,
			fileName = "streets/sleepers_wood_nrml.tga",
			magFilter = "LINEAR",
			minFilter = "LINEAR_MIPMAP_LINEAR",
			mipmapAlphaScale = 0,
			type = "TWOD",
			wrapS = "REPEAT",
			wrapT = "REPEAT",
		},
		normal_scale = {
			normalScale = 1,
		},
		polygon_offset = {
			factor = 0,
			units = 0,
		},
	},
	type = "PHYSICAL_ALPHA_NRML_MAP",
}
end