Function _emit_import_line

Scripts/codegen/generate_ue_components.py:333–364

(attr: str, prop_name: str, ue_type: str,
                      vec3_convert: Optional[str] = None)

def _emit_import_line(attr: str, prop_name: str, ue_type: str,
                      vec3_convert: Optional[str] = None) -> str:
    toggle = override_toggle_name(prop_name)
    key = f'TEXT("{attr}")'
    if ue_type == "float":
        return f'    MjXmlUtils::ReadAttrFloat(Node, {key}, {prop_name}, {toggle});\n'
    if ue_type == "double":
        return f'    MjXmlUtils::ReadAttrDouble(Node, {key}, {prop_name}, {toggle});\n'
    if ue_type == "int32":
        return f'    MjXmlUtils::ReadAttrInt(Node, {key}, {prop_name}, {toggle});\n'
    if ue_type == "bool":
        return f'    MjXmlUtils::ReadAttrBool(Node, {key}, {prop_name}, {toggle});\n'
    if ue_type == "FString":
        return (f'    if (MjXmlUtils::ReadAttrString(Node, {key}, {prop_name}))'
                f' {toggle} = true;\n')
    if ue_type == "FVector":
        out = f'    MjXmlUtils::ReadAttrVec3(Node, {key}, {prop_name}, {toggle});\n'
        # MuJoCo direction vectors don't carry units but DO use opposite Y
        # handedness vs UE. Apply Y-negate post-read when configured.
        if vec3_convert == "y_negate":
            out += f'    if ({toggle}) {prop_name}.Y = -{prop_name}.Y;\n'
        return out
    if ue_type == "FLinearColor":
        return f'    MjXmlUtils::ReadAttrColor(Node, {key}, {prop_name}, {toggle});\n'
    if ue_type.startswith("TArray<float"):
        return f'    MjXmlUtils::ReadAttrFloatArray(Node, {key}, {prop_name}, {toggle});\n'
    if ue_type.startswith("TArray<int"):
        return f'    MjXmlUtils::ReadAttrIntArray(Node, {key}, {prop_name}, {toggle});\n'
    if ue_type.startswith("TArray<double"):
        return f'    MjXmlUtils::ReadAttrDoubleArray(Node, {key}, {prop_name}, {toggle});\n'
    # Fallback (logged once)
    return f'    MjXmlUtils::ReadAttrFloat(Node, {key}, {prop_name}, {toggle});\n'


# Per-strategy resolvers for the schema-attr -> mjs-field name mapper.