{

    "baseMaterial": {
        "description": "TBD description",
        "propertyLayout": {
            "version": 1,
            "groups": [
                {
                    "id": "baseColor",
                    "displayName": "Base Color",
                    "description": "Properties for configuring the surface color (for non-metal) or specular color (for metal)."
                },
                {
                    "id": "metallic",
                    "displayName": "Metallic",
                    "description": "Properties for configuring whether the surface is metallic or not."
                },
                {
                    "id": "roughness",
                    "displayName": "Roughness",
                    "description": "Properties for configuring how rough the surface appears."
                },
                {
                    "id": "specularF0",
                    "displayName": "Specular Reflectance f0",
                    "description": "The constant f0 represents the specular reflectance at normal incidence (Fresnel 0 Angle). The default IOR is 1.5, which gives you 0.04 (4% of light reflected at 0° angle for dielectric materials). F0 values lie in the range 0-0.08, so that’s why the default F0 factor is set on 0.5."
                },
                {
                    "id": "normal",
                    "displayName": "Normal",
                    "description": "Properties for configuring surface normals."
                },
                {
                    "id": "opacity",
                    "displayName": "Opacity",
                    "description": "Properties for configuring surface opacity."
                }
            ],
            "properties": {
                "general": [
                    {
                        "id": "texcoord",
                        "displayName": "Texture Coordinate Stream",
                        "description": "Which UV stream to use when sampling textures.",
                        "type": "int",
                        "defaultValue": 0,
                        "min": 0,
                        "max": 8
                    }
                ],
                "baseColor": [
                    {
                        "id": "colorLinear",
                        "displayName": "Color",
                        "description": "Linear color value",
                        "type": "color",
                        "defaultValue": [ 1.0, 1.0, 1.0 ],
                        "aliasOutputId": {
                            "type": "shaderConstant",
                            "id": "m_baseColor"
                        }
                    },
                    {
                        "id": "factor",
                        "displayName": "Factor",
                        "description": "Strength factor for scaling the color values",
                        "type": "float",
                        "defaultValue": 1.0,
                        "min": 0.0,
                        "max": 1.0,
                        "aliasOutputId": {
                            "type": "shaderConstant",
                            "id": "m_baseColorFactor"
                        }
                    },
                    {
                        "id": "useTexture",
                        "displayName": "Use Texture",
                        "description": "Whether to use the texture map, or just the Color value",
                        "type": "bool",
                        "defaultValue": true
                    },
                    {
                        "id": "textureMap",
                        "displayName": "Texture Map",
                        "description": "Base color texture map",
                        "type": "image",
                        "defaultValue": "EngineAssets/TextureMsg/DefaultNoUVs.tif",
                        "aliasOutputId": {
                            "type": "shaderImage",
                            "id": "m_baseColorMap"
                        }
                    }
                ],
                "metallic": [
                    {
                        "id": "factor",
                        "displayName": "Factor",
                        "description": "Strength factor for scaling the values",
                        "type": "float",
                        "defaultValue": 0.0,
                        "min": 0.0,
                        "max": 1.0
                    },
                    {
                        "id": "useTexture",
                        "displayName": "Use Texture",
                        "description": "Whether to use the texture map, or just default to the Factor value.",
                        "type": "bool",
                        "defaultValue": false
                    },
                    {
                        "id": "textureMap",
                        "displayName": "Texture Map",
                        "description": "",
                        "type": "image",
                        "defaultValue": ""
                    }
                ],
                "roughness": [
                    {
                        "id": "factor",
                        "displayName": "Factor",
                        "description": "Strength factor for scaling the values",
                        "type": "float",
                        "defaultValue": 1.0,
                        "min": 0.0,
                        "max": 1.0
                    },
                    {
                        "id": "useTexture",
                        "displayName": "Use Texture",
                        "description": "Whether to use the texture map, or just default to the Factor value.",
                        "type": "bool",
                        "defaultValue": true
                    },
                    {
                        "id": "textureMap",
                        "displayName": "Texture Map",
                        "description": "Texture map for defining surface roughness.",
                        "type": "image",
                        "defaultValue": "EngineAssets/TextureMsg/DefaultNoUVs_spec.tif"
                    }
                ],
                "specularF0": [
                    {
                        "id": "factor",
                        "displayName": "Factor",
                        "description": "Strength factor for scaling the values from 0.0 to 0.08",
                        "type": "float",
                        "defaultValue": 0.5,
                        "min": 0.0,
                        "max": 1.0
                    },
                    {
                        "id": "useTexture",
                        "displayName": "Use Texture",
                        "description": "Whether to use the texture map, or just default to the Factor value.",
                        "type": "bool",
                        "defaultValue": true
                    },
                    {
                        "id": "textureMap",
                        "displayName": "Texture Map",
                        "description": "Texture map for defining surface reflectance.",
                        "type": "image",
                        "defaultValue": ""
                    }
                ],
                "normal": [
                    {
                        "id": "factor",
                        "displayName": "Factor",
                        "description": "Strength factor for scaling the values",
                        "type": "float",
                        "defaultValue": 1.0,
                        "min": 0.0,
                        "max": 1.0
                    },
                    {
                        "id": "useTexture",
                        "displayName": "Use Texture",
                        "description": "Whether to use the texture map, or just rely on vertex normals.",
                        "type": "bool",
                        "defaultValue": true
                    },
                    {
                        "id": "textureMap",
                        "displayName": "Texture Map",
                        "description": "Texture map for defining surface normal direction.",
                        "type": "image",
                        "defaultValue": "EngineAssets/TextureMsg/DefaultNoUVs_ddn.tif",
                        "aliasOutputId": {
                            "type": "shaderImage",
                            "id": "m_normalMap"
                        }
                    }
                ],
                "opacity": [
                    {
                        "id": "doubleSided",
                        "displayName": "Double-sided",
                        "description": "Whether to render back-faces or just front-faces.",
                        "type": "bool",
                        "defaultValue": false
                    },
                    {
                        "id": "factor",
                        "displayName": "Factor",
                        "description": "Scales the opacity values",
                        "type": "float",
                        "defaultValue": 1.0,
                        "min": 0.0,
                        "max": 1.0
                    },
                    {
                        "id": "cutoutAlpha",
                        "displayName": "Cutout Alpha",
                        "description": "Whether to clip the surfaces where the alpha value falls below a threshold.",
                        "type": "bool",
                        "defaultValue": false
                    },
                    {
                        "id": "cutoutThreshold",
                        "displayName": "Cutout Alpha Threshold",
                        "description": "If enabled, values lower than this will be clipped.",
                        "type": "float",
                        "defaultValue": 0.5,
                        "min": 0.0,
                        "max": 1.0
                    },
                    {
                        "id": "useBaseColorTextureAlpha",
                        "displayName": "Use Base Color Texture Alpha",
                        "description": "Use the alpha channel of the base color texture map to define opacity.",
                        "type": "bool",
                        "defaultValue": false
                    },
                    {
                        "id": "useTexture",
                        "displayName": "Use Texture",
                        "description": "Whether to use the texture map to define opacity.",
                        "type": "bool",
                        "defaultValue": true
                    },
                    {
                        "id": "textureMap",
                        "displayName": "Texture Map",
                        "description": "Texture map for defining surface opacity.",
                        "type": "image",
                        "defaultValue": ""
                    }
                ]
            }
        },
        "shaders": [
            {
                "file": "./StandardPBR_ForwardPass.shader"
            }
        ]
    }
}