import { type FBXObjectMap } from "./connections.js";
export type FBXConstraintType = "aim" | "parent" | "position" | "rotation" | "scale" | "singleChainIK" | "unknown";
export type Vec3 = [number, number, number];
export type Bool3 = [boolean, boolean, boolean];
/** One weighted target of a constraint. */
export interface FBXConstraintTarget {
    /** Model id of the target node */
    modelId: number;
    /** Normalized weight (file value / 100, or as-is for IK pole targets) */
    weight: number;
    /** Parent constraint translation offset expressed in the target's space */
    offsetTranslation: Vec3;
    /** Parent constraint rotation offset in degrees, expressed in the target's space */
    offsetRotation: Vec3;
    /** Parent constraint scale offset expressed in the target's space */
    offsetScale: Vec3;
}
/** A constraint object of the file, with its targets and parameters resolved. */
export interface FBXConstraintData {
    /** Constraint object id */
    id: number;
    /** Constraint name */
    name: string;
    /** Resolved constraint kind */
    type: FBXConstraintType;
    /** Constraint type name as written in the file (e.g. "Parent-Child") */
    typeName: string;
    /** Constrained model */
    nodeId?: number;
    /** Weighted targets in file order */
    targets: FBXConstraintTarget[];
    /** Global weight (file value / 100) */
    weight: number;
    /** False when the constraint is switched off in the file */
    active: boolean;
    /** Which translation axes the constraint drives */
    affectTranslation: Bool3;
    /** Which rotation axes the constraint drives */
    affectRotation: Bool3;
    /** Which scale axes the constraint drives */
    affectScale: Bool3;
    /** Translation offset of the constrained node */
    offsetTranslation: Vec3;
    /** Rotation offset of the constrained node, in degrees */
    offsetRotation: Vec3;
    /** Scale offset of the constrained node */
    offsetScale: Vec3;
    /** Aim: local axis that points at the target */
    aimVector: Vec3;
    /** Aim: local axis aligned with the up direction */
    upVector: Vec3;
    /** Aim: world up direction (world up modes 2 and 3) */
    worldUpVector: Vec3;
    /** Aim: 0 scene up, 1 aim up node, 2 align to node, 3 vector, 4 none */
    worldUpType: number;
    /** Aim: model id of the world up object (world up modes 1 and 2) */
    worldUpNodeId?: number;
    /** Single chain IK: model id of the first joint of the chain */
    ikFirstJointId?: number;
    /** Single chain IK: model id of the last joint of the chain */
    ikEndJointId?: number;
    /** Single chain IK: model id of the effector */
    ikEffectorId?: number;
    /** Single chain IK: pole vector */
    ikPoleVector: Vec3;
}
/** Reads every constraint object of the scene. */
export declare function extractConstraints(objectMap: FBXObjectMap): FBXConstraintData[];