@picode/fbx/lib/FBX.js

Provides an interface to use FBX data.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.FBX = exports.FBXAxes = void 0;
var fbx_parser_1 = require("fbx-parser");
//https://help.autodesk.com/view/FBX/2015/ENU/
var FBXAxes;
(function (FBXAxes) {
    FBXAxes[FBXAxes["X"] = 0] = "X";
    FBXAxes[FBXAxes["Y"] = 1] = "Y";
    FBXAxes[FBXAxes["Z"] = 2] = "Z";
})(FBXAxes = exports.FBXAxes || (exports.FBXAxes = {}));
var FBXAnimationCurve = /** @class */ (function () {
    function FBXAnimationCurve(node) {
        this.node = node;
    }
    FBXAnimationCurve.from = function (node) {
        var _a, _b;
        if (!((_a = node.node('KeyTime')) === null || _a === void 0 ? void 0 : _a.prop(0, 'number[]')) || !((_b = node.node('KeyValueFloat')) === null || _b === void 0 ? void 0 : _b.prop(0, 'number[]')))
            return undefined;
        return new FBXAnimationCurve(node);
    };
    FBXAnimationCurve.prototype.getTime = function () {
        var _a;
        // no undefined, object should only exist if those values are available
        return (_a = this.node.node('KeyTime')) === null || _a === void 0 ? void 0 : _a.prop(0, 'number[]');
    };
    FBXAnimationCurve.prototype.getValue = function () {
        var _a;
        // no undefined, object should only exist if those values are available
        return (_a = this.node.node('KeyValueFloat')) === null || _a === void 0 ? void 0 : _a.prop(0, 'number[]');
    };
    return FBXAnimationCurve;
}());
var FBXAnimationCurveNode = /** @class */ (function () {
    function FBXAnimationCurveNode(node) {
        this.node = node;
    }
    FBXAnimationCurveNode.from = function (node) {
        return new FBXAnimationCurveNode(node);
    };
    FBXAnimationCurveNode.prototype.getX = function () {
        var _a, _b;
        var props70 = (_a = this.node) === null || _a === void 0 ? void 0 : _a.node('Properties70');
        if (typeof props70 === 'undefined')
            return undefined;
        var value = (_b = props70.node('P', { 0: 'd|X' })) === null || _b === void 0 ? void 0 : _b.prop(4, 'number');
        if (typeof value === 'undefined')
            return undefined;
        return value;
    };
    FBXAnimationCurveNode.prototype.getY = function () {
        var _a, _b;
        var props70 = (_a = this.node) === null || _a === void 0 ? void 0 : _a.node('Properties70');
        if (typeof props70 === 'undefined')
            return undefined;
        var value = (_b = props70.node('P', { 0: 'd|Y' })) === null || _b === void 0 ? void 0 : _b.prop(4, 'number');
        if (typeof value === 'undefined')
            return undefined;
        return value;
    };
    FBXAnimationCurveNode.prototype.getZ = function () {
        var _a, _b;
        var props70 = (_a = this.node) === null || _a === void 0 ? void 0 : _a.node('Properties70');
        if (typeof props70 === 'undefined')
            return undefined;
        var value = (_b = props70.node('P', { 0: 'd|Z' })) === null || _b === void 0 ? void 0 : _b.prop(4, 'number');
        if (typeof value === 'undefined')
            return undefined;
        return value;
    };
    return FBXAnimationCurveNode;
}());
var FBXModel = /** @class */ (function () {
    function FBXModel(node, root) {
        this.node = node;
        this.root = root;
    }
    FBXModel.prototype.getAnimCurveNode = function (type) {
        var _a;
        var modelId = this.node.prop(0, 'number'); // Get the own model id to find connections
        var objects = this.root.node('Objects'); // Get root Objects node to look for the animation curve node
        var connections = this.root.node('Connections'); // Get root Connections node to look for the connections
        if (typeof modelId === 'undefined' || !connections)
            return undefined;
        var animCurveNodeId = (_a = connections.node({ 2: modelId, 3: type })) === null || _a === void 0 ? void 0 : _a.prop(1); // Find the connection to the model with the according type, and get the id of the node
        if (typeof animCurveNodeId === 'undefined')
            return undefined;
        var animCurveObj = objects === null || objects === void 0 ? void 0 : objects.node({ 0: animCurveNodeId }); // Find the node by id in objects
        if (typeof animCurveObj === 'undefined')
            return undefined;
        return FBXAnimationCurveNode.from(animCurveObj);
    };
    FBXModel.prototype.getAnimCurve = function (type, axes) {
        var _a, _b;
        var modelId = this.node.prop(0, 'number');
        var objects = this.root.node('Objects');
        var connections = this.root.node('Connections');
        if (typeof modelId === 'undefined' || !connections)
            return undefined;
        var animCurveNodeId = (_a = connections.node({ 2: modelId, 3: type })) === null || _a === void 0 ? void 0 : _a.prop(1);
        if (typeof animCurveNodeId === 'undefined')
            return undefined;
        var axesStr = ['d|X', 'd|Y', 'd|Z'][axes];
        var animCurveId = (_b = connections.node({ 2: animCurveNodeId, 3: axesStr })) === null || _b === void 0 ? void 0 : _b.prop(1);
        if (typeof animCurveId === 'undefined')
            return undefined;
        var animCurveObj = objects === null || objects === void 0 ? void 0 : objects.node({ 0: animCurveId });
        if (typeof animCurveObj === 'undefined')
            return undefined;
        return FBXAnimationCurve.from(animCurveObj);
    };
    FBXModel.prototype.getTranslationNode = function () {
        return this.getAnimCurveNode('Lcl Rotation');
    };
    FBXModel.prototype.getTranslationKey = function (axes) {
        return this.getAnimCurve('Lcl Translation', axes);
    };
    FBXModel.prototype.getRotationNode = function () {
        return this.getAnimCurveNode('Lcl Rotation');
    };
    FBXModel.prototype.getRotationKey = function (axes) {
        return this.getAnimCurve('Lcl Rotation', axes);
    };
    return FBXModel;
}());
var FBXGlobalSettings = /** @class */ (function () {
    function FBXGlobalSettings(node) {
        this.node = node;
    }
    FBXGlobalSettings.prototype.getUpAxes = function () {
        var _a, _b, _c;
        var axes = (_c = (_b = (_a = this.node) === null || _a === void 0 ? void 0 : _a.node('Properties70')) === null || _b === void 0 ? void 0 : _b.node('P', { 0: 'UpAxis' })) === null || _c === void 0 ? void 0 : _c.prop(4, 'number');
        if (typeof axes == 'undefined')
            return undefined;
        return axes >= 0 && axes <= 2 ? axes : undefined;
    };
    FBXGlobalSettings.prototype.getFrontAxes = function () {
        var _a, _b, _c;
        var axes = (_c = (_b = (_a = this.node) === null || _a === void 0 ? void 0 : _a.node('Properties70')) === null || _b === void 0 ? void 0 : _b.node('P', { 0: 'FrontAxis' })) === null || _c === void 0 ? void 0 : _c.prop(4, 'number');
        if (typeof axes == 'undefined')
            return undefined;
        return axes >= 0 && axes <= 2 ? axes : undefined;
    };
    FBXGlobalSettings.prototype.getCoordAxes = function () {
        var _a, _b, _c;
        var axes = (_c = (_b = (_a = this.node) === null || _a === void 0 ? void 0 : _a.node('Properties70')) === null || _b === void 0 ? void 0 : _b.node('P', { 0: 'CoordAxis' })) === null || _c === void 0 ? void 0 : _c.prop(4, 'number');
        if (typeof axes == 'undefined')
            return undefined;
        return axes >= 0 && axes <= 2 ? axes : undefined;
    };
    return FBXGlobalSettings;
}());
var FBX = /** @class */ (function () {
    function FBX(fbxData) {
        this.root = new fbx_parser_1.FBXReader(fbxData);
        this.globalSettings = new FBXGlobalSettings(this.root.node('GlobalSettings'));
    }
    FBX.prototype.getModel = function (name) {
        var _a;
        var node = (_a = this.root.node('Objects')) === null || _a === void 0 ? void 0 : _a.node({ 1: "Model::" + name });
        if (typeof node === 'undefined')
            return undefined;
        return new FBXModel(node, this.root);
    };
    return FBX;
}());
exports.FBX = FBX;