qmuntal/gltf

package unlit

import (
    "encoding/json"

    "github.com/qmuntal/gltf"
)

const (
    // ExtensionName defines the Unlit unique key.
    ExtensionName = "KHR_materials_unlit"
)

// Unmarshal decodes the json data into the correct type.
func Unmarshal(data []byte) (any, error) {
    u := new(Unlit)
    err := json.Unmarshal(data, u)
    return u, err
}

func init() {
    gltf.RegisterExtension(ExtensionName, Unmarshal)
}

// Unlit defines an unlit shading model.
// When present, the extension indicates that a material should be unlit.
// Additional properties on the extension object are allowed, but may lead to undefined behaviour in conforming viewers.
type Unlit map[string]any

// UnmarshalJSON unmarshal the pbr with the correct default values.
func (u *Unlit) UnmarshalJSON(data []byte) error {
    if len(*u) == 0 {
        *u = make(Unlit)
    }
    var raw map[string]json.RawMessage
    err := json.Unmarshal(data, &raw)
    if err == nil {
        for key, value := range raw {
            (*u)[key] = value
        }
    }
    return err
}