// UnmarshalJSON implements the json.Unmarshaler interface
func (s *AnySampler) UnmarshalJSON(data []byte) error {
numberSampler := &NumberSampler{}
err := json.Unmarshal(data, &numberSampler)
if err == nil {
*s = AnySampler{numberSampler}
return nil
}
vec3Sampler := &Vec3Sampler{}
err = json.Unmarshal(data, &vec3Sampler)
if err == nil {
*s = AnySampler{vec3Sampler}
return nil
}
samplerType, err := jsonutil.ObjectType(data)
if err != nil {
return err
}
switch samplerType {
case "image_texture":
sampler := &ImageTexture{}
err = json.Unmarshal(data, &sampler)
if err != nil {
return err
}
*s = AnySampler{sampler}
default:
return fmt.Errorf("Unknown texture sampler: '%s'", samplerType)
}
return nil
}
// UnmarshalJSON implements the json.Unmarshaler interface
func (m *AnyMaterial) UnmarshalJSON(data []byte) error {
materialType, err := jsonutil.ObjectType(data)
if err != nil {
return err
}
switch materialType {
case "emissive":
material := &EmissiveMaterial{}
err = json.Unmarshal(data, &material)
if err != nil {
return err
}
*m = AnyMaterial{material}
case "lambert":
material := &LambertMaterial{}
err = json.Unmarshal(data, &material)
if err != nil {
return err
}
*m = AnyMaterial{material}
case "reflective":
material := &ReflectiveMaterial{}
err = json.Unmarshal(data, &material)
if err != nil {
return err
}
*m = AnyMaterial{material}
case "refractive":
material := &RefractiveMaterial{}
err = json.Unmarshal(data, &material)
if err != nil {
return err
}
*m = AnyMaterial{material}
case "mixed":
material := &MixedMaterial{}
err = json.Unmarshal(data, &material)
if err != nil {
return err
}
*m = AnyMaterial{material}
default:
return fmt.Errorf("Unknown material type: '%s'", materialType)
}
return nil
}
// UnmarshalJSON implements the json.Unmarshaler interface
func (c *AnyCamera) UnmarshalJSON(data []byte) error {
cameraType, err := jsonutil.ObjectType(data)
if err != nil {
return err
}
switch cameraType {
case "pinhole":
camera := &PinholeCamera{}
err := json.Unmarshal(data, &camera)
if err != nil {
return err
}
*c = AnyCamera{camera}
default:
return fmt.Errorf("Unknown camera type: '%s'", cameraType)
}
return nil
}