Babylon.js/src/Loading/Plugins/babylon.babylonFileLoader.js

var BABYLON;
(function (BABYLON) {
    var Internals;
    (function (Internals) {
        var parseMaterialById = function (id, parsedData, scene, rootUrl) {
            for (var index = 0, cache = parsedData.materials.length; index < cache; index++) {
                var parsedMaterial = parsedData.materials[index];
                if (parsedMaterial.id === id) {
                    return BABYLON.Material.Parse(parsedMaterial, scene, rootUrl);
                }
            }
            return null;
        };
        var isDescendantOf = function (mesh, names, hierarchyIds) {
            names = (names instanceof Array) ? names : [names];
            for (var i in names) {
                if (mesh.name === names[i]) {
                    hierarchyIds.push(mesh.id);
                    return true;
                }
            }
            if (mesh.parentId && hierarchyIds.indexOf(mesh.parentId) !== -1) {
                hierarchyIds.push(mesh.id);
                return true;
            }
            return false;
        };
        var logOperation = function (operation, producer) {
            return operation + " of " + (producer ? producer.file + " from " + producer.name + " version: " + producer.version + ", exporter version: " + producer.exporter_version : "unknown");
        };
        BABYLON.SceneLoader.RegisterPlugin({
            extensions: ".babylon",
            importMesh: function (meshesNames, scene, data, rootUrl, meshes, particleSystems, skeletons) {
                // Entire method running in try block, so ALWAYS logs as far as it got, only actually writes details
                // when SceneLoader.debugLogging = true (default), or exception encountered.
                // Everything stored in var log instead of writing separate lines to support only writing in exception,
                // and avoid problems with multiple concurrent .babylon loads.
                var log = "importMesh has failed JSON parse";
                try {
                    var parsedData = JSON.parse(data);
                    log = "";
                    var fullDetails = BABYLON.SceneLoader.loggingLevel === BABYLON.SceneLoader.DETAILED_LOGGING;
                    var loadedSkeletonsIds = [];
                    var loadedMaterialsIds = [];
                    var hierarchyIds = [];
                    var index;
                    var cache;
                    for (index = 0, cache = parsedData.meshes.length; index < cache; index++) {
                        var parsedMesh = parsedData.meshes[index];
                        if (!meshesNames || isDescendantOf(parsedMesh, meshesNames, hierarchyIds)) {
                            if (meshesNames instanceof Array) {
                                // Remove found mesh name from list.
                                delete meshesNames[meshesNames.indexOf(parsedMesh.name)];
                            }
                            //Geometry?
                            if (parsedMesh.geometryId) {
                                //does the file contain geometries?
                                if (parsedData.geometries) {
                                    //find the correct geometry and add it to the scene
                                    var found = false;
                                    ["boxes", "spheres", "cylinders", "toruses", "grounds", "planes", "torusKnots", "vertexData"].forEach(function (geometryType) {
                                        if (found || !parsedData.geometries[geometryType] || !(parsedData.geometries[geometryType] instanceof Array)) {
                                            return;
                                        }
                                        else {
                                            parsedData.geometries[geometryType].forEach(function (parsedGeometryData) {
                                                if (parsedGeometryData.id === parsedMesh.geometryId) {
                                                    switch (geometryType) {
                                                        case "boxes":
                                                            BABYLON.Geometry.Primitives.Box.Parse(parsedGeometryData, scene);
                                                            break;
                                                        case "spheres":
                                                            BABYLON.Geometry.Primitives.Sphere.Parse(parsedGeometryData, scene);
                                                            break;
                                                        case "cylinders":
                                                            BABYLON.Geometry.Primitives.Cylinder.Parse(parsedGeometryData, scene);
                                                            break;
                                                        case "toruses":
                                                            BABYLON.Geometry.Primitives.Torus.Parse(parsedGeometryData, scene);
                                                            break;
                                                        case "grounds":
                                                            BABYLON.Geometry.Primitives.Ground.Parse(parsedGeometryData, scene);
                                                            break;
                                                        case "planes":
                                                            BABYLON.Geometry.Primitives.Plane.Parse(parsedGeometryData, scene);
                                                            break;
                                                        case "torusKnots":
                                                            BABYLON.Geometry.Primitives.TorusKnot.Parse(parsedGeometryData, scene);
                                                            break;
                                                        case "vertexData":
                                                            BABYLON.Geometry.Parse(parsedGeometryData, scene, rootUrl);
                                                            break;
                                                    }
                                                    found = true;
                                                }
                                            });
                                        }
                                    });
                                    if (!found) {
                                        BABYLON.Tools.Warn("Geometry not found for mesh " + parsedMesh.id);
                                    }
                                }
                            }
                            // Material ?
                            if (parsedMesh.materialId) {
                                var materialFound = (loadedMaterialsIds.indexOf(parsedMesh.materialId) !== -1);
                                if (!materialFound && parsedData.multiMaterials) {
                                    for (var multimatIndex = 0, multimatCache = parsedData.multiMaterials.length; multimatIndex < multimatCache; multimatIndex++) {
                                        var parsedMultiMaterial = parsedData.multiMaterials[multimatIndex];
                                        if (parsedMultiMaterial.id === parsedMesh.materialId) {
                                            for (var matIndex = 0, matCache = parsedMultiMaterial.materials.length; matIndex < matCache; matIndex++) {
                                                var subMatId = parsedMultiMaterial.materials[matIndex];
                                                loadedMaterialsIds.push(subMatId);
                                                var mat = parseMaterialById(subMatId, parsedData, scene, rootUrl);
                                                log += "\n\tMaterial " + mat.toString(fullDetails);
                                            }
                                            loadedMaterialsIds.push(parsedMultiMaterial.id);
                                            var mmat = BABYLON.Material.ParseMultiMaterial(parsedMultiMaterial, scene);
                                            materialFound = true;
                                            log += "\n\tMulti-Material " + mmat.toString(fullDetails);
                                            break;
                                        }
                                    }
                                }
                                if (!materialFound) {
                                    loadedMaterialsIds.push(parsedMesh.materialId);
                                    var mat = parseMaterialById(parsedMesh.materialId, parsedData, scene, rootUrl);
                                    if (!mat) {
                                        BABYLON.Tools.Warn("Material not found for mesh " + parsedMesh.id);
                                    }
                                    else {
                                        log += "\n\tMaterial " + mat.toString(fullDetails);
                                    }
                                }
                            }
                            // Skeleton ?
                            if (parsedMesh.skeletonId > -1 && scene.skeletons) {
                                var skeletonAlreadyLoaded = (loadedSkeletonsIds.indexOf(parsedMesh.skeletonId) > -1);
                                if (!skeletonAlreadyLoaded) {
                                    for (var skeletonIndex = 0, skeletonCache = parsedData.skeletons.length; skeletonIndex < skeletonCache; skeletonIndex++) {
                                        var parsedSkeleton = parsedData.skeletons[skeletonIndex];
                                        if (parsedSkeleton.id === parsedMesh.skeletonId) {
                                            var skeleton = BABYLON.Skeleton.Parse(parsedSkeleton, scene);
                                            skeletons.push(skeleton);
                                            loadedSkeletonsIds.push(parsedSkeleton.id);
                                            log += "\n\tSkeleton " + skeleton.toString(fullDetails);
                                        }
                                    }
                                }
                            }
                            var mesh = BABYLON.Mesh.Parse(parsedMesh, scene, rootUrl);
                            meshes.push(mesh);
                            log += "\n\tMesh " + mesh.toString(fullDetails);
                        }
                    }
                    // Connecting parents
                    var currentMesh;
                    for (index = 0, cache = scene.meshes.length; index < cache; index++) {
                        currentMesh = scene.meshes[index];
                        if (currentMesh._waitingParentId) {
                            currentMesh.parent = scene.getLastEntryByID(currentMesh._waitingParentId);
                            currentMesh._waitingParentId = undefined;
                        }
                    }
                    // freeze and compute world matrix application
                    for (index = 0, cache = scene.meshes.length; index < cache; index++) {
                        currentMesh = scene.meshes[index];
                        if (currentMesh._waitingFreezeWorldMatrix) {
                            currentMesh.freezeWorldMatrix();
                            currentMesh._waitingFreezeWorldMatrix = undefined;
                        }
                        else {
                            currentMesh.computeWorldMatrix(true);
                        }
                    }
                    // Particles
                    if (parsedData.particleSystems) {
                        for (index = 0, cache = parsedData.particleSystems.length; index < cache; index++) {
                            var parsedParticleSystem = parsedData.particleSystems[index];
                            if (hierarchyIds.indexOf(parsedParticleSystem.emitterId) !== -1) {
                                particleSystems.push(BABYLON.ParticleSystem.Parse(parsedParticleSystem, scene, rootUrl));
                            }
                        }
                    }
                    return true;
                }
                catch (err) {
                    BABYLON.Tools.Log(logOperation("importMesh", parsedData ? parsedData.producer : "Unknown") + log);
                    log = null;
                    throw err;
                }
                finally {
                    if (log !== null && BABYLON.SceneLoader.loggingLevel !== BABYLON.SceneLoader.NO_LOGGING) {
                        BABYLON.Tools.Log(logOperation("importMesh", parsedData ? parsedData.producer : "Unknown") + (BABYLON.SceneLoader.loggingLevel !== BABYLON.SceneLoader.MINIMAL_LOGGING ? log : ""));
                    }
                }
            },
            load: function (scene, data, rootUrl) {
                // Entire method running in try block, so ALWAYS logs as far as it got, only actually writes details
                // when SceneLoader.debugLogging = true (default), or exception encountered.
                // Everything stored in var log instead of writing separate lines to support only writing in exception,
                // and avoid problems with multiple concurrent .babylon loads.
                var log = "importScene has failed JSON parse";
                try {
                    var parsedData = JSON.parse(data);
                    log = "";
                    var fullDetails = BABYLON.SceneLoader.loggingLevel === BABYLON.SceneLoader.DETAILED_LOGGING;
                    // Scene
                    scene.useDelayedTextureLoading = parsedData.useDelayedTextureLoading && !BABYLON.SceneLoader.ForceFullSceneLoadingForIncremental;
                    scene.autoClear = parsedData.autoClear;
                    scene.clearColor = BABYLON.Color4.FromArray(parsedData.clearColor);
                    scene.ambientColor = BABYLON.Color3.FromArray(parsedData.ambientColor);
                    if (parsedData.gravity) {
                        scene.gravity = BABYLON.Vector3.FromArray(parsedData.gravity);
                    }
                    // Fog
                    if (parsedData.fogMode && parsedData.fogMode !== 0) {
                        scene.fogMode = parsedData.fogMode;
                        scene.fogColor = BABYLON.Color3.FromArray(parsedData.fogColor);
                        scene.fogStart = parsedData.fogStart;
                        scene.fogEnd = parsedData.fogEnd;
                        scene.fogDensity = parsedData.fogDensity;
                        log += "\tFog mode for scene:  ";
                        switch (scene.fogMode) {
                            // getters not compiling, so using hardcoded
                            case 1:
                                log += "exp\n";
                                break;
                            case 2:
                                log += "exp2\n";
                                break;
                            case 3:
                                log += "linear\n";
                                break;
                        }
                    }
                    //Physics
                    if (parsedData.physicsEnabled) {
                        var physicsPlugin;
                        if (parsedData.physicsEngine === "cannon") {
                            physicsPlugin = new BABYLON.CannonJSPlugin();
                        }
                        else if (parsedData.physicsEngine === "oimo") {
                            physicsPlugin = new BABYLON.OimoJSPlugin();
                        }
                        log = "\tPhysics engine " + (parsedData.physicsEngine ? parsedData.physicsEngine : "oimo") + " enabled\n";
                        //else - default engine, which is currently oimo
                        var physicsGravity = parsedData.physicsGravity ? BABYLON.Vector3.FromArray(parsedData.physicsGravity) : null;
                        scene.enablePhysics(physicsGravity, physicsPlugin);
                    }
                    // Metadata
                    if (parsedData.metadata !== undefined) {
                        scene.metadata = parsedData.metadata;
                    }
                    //collisions, if defined. otherwise, default is true
                    if (parsedData.collisionsEnabled != undefined) {
                        scene.collisionsEnabled = parsedData.collisionsEnabled;
                    }
                    scene.workerCollisions = !!parsedData.workerCollisions;
                    var index;
                    var cache;
                    // Lights
                    for (index = 0, cache = parsedData.lights.length; index < cache; index++) {
                        var parsedLight = parsedData.lights[index];
                        var light = BABYLON.Light.Parse(parsedLight, scene);
                        log += (index === 0 ? "\n\tLights:" : "");
                        log += "\n\t\t" + light.toString(fullDetails);
                    }
                    // Animations
                    if (parsedData.animations) {
                        for (index = 0, cache = parsedData.animations.length; index < cache; index++) {
                            var parsedAnimation = parsedData.animations[index];
                            var animation = BABYLON.Animation.Parse(parsedAnimation);
                            scene.animations.push(animation);
                            log += (index === 0 ? "\n\tAnimations:" : "");
                            log += "\n\t\t" + animation.toString(fullDetails);
                        }
                    }
                    if (parsedData.autoAnimate) {
                        scene.beginAnimation(scene, parsedData.autoAnimateFrom, parsedData.autoAnimateTo, parsedData.autoAnimateLoop, parsedData.autoAnimateSpeed || 1.0);
                    }
                    // Materials
                    if (parsedData.materials) {
                        for (index = 0, cache = parsedData.materials.length; index < cache; index++) {
                            var parsedMaterial = parsedData.materials[index];
                            var mat = BABYLON.Material.Parse(parsedMaterial, scene, rootUrl);
                            log += (index === 0 ? "\n\tMaterials:" : "");
                            log += "\n\t\t" + mat.toString(fullDetails);
                        }
                    }
                    if (parsedData.multiMaterials) {
                        for (index = 0, cache = parsedData.multiMaterials.length; index < cache; index++) {
                            var parsedMultiMaterial = parsedData.multiMaterials[index];
                            var mmat = BABYLON.Material.ParseMultiMaterial(parsedMultiMaterial, scene);
                            log += (index === 0 ? "\n\tMultiMaterials:" : "");
                            log += "\n\t\t" + mmat.toString(fullDetails);
                        }
                    }
                    // Skeletons
                    if (parsedData.skeletons) {
                        for (index = 0, cache = parsedData.skeletons.length; index < cache; index++) {
                            var parsedSkeleton = parsedData.skeletons[index];
                            var skeleton = BABYLON.Skeleton.Parse(parsedSkeleton, scene);
                            log += (index === 0 ? "\n\tSkeletons:" : "");
                            log += "\n\t\t" + skeleton.toString(fullDetails);
                        }
                    }
                    // Geometries
                    var geometries = parsedData.geometries;
                    if (geometries) {
                        // Boxes
                        var boxes = geometries.boxes;
                        if (boxes) {
                            for (index = 0, cache = boxes.length; index < cache; index++) {
                                var parsedBox = boxes[index];
                                BABYLON.Geometry.Primitives.Box.Parse(parsedBox, scene);
                            }
                        }
                        // Spheres
                        var spheres = geometries.spheres;
                        if (spheres) {
                            for (index = 0, cache = spheres.length; index < cache; index++) {
                                var parsedSphere = spheres[index];
                                BABYLON.Geometry.Primitives.Sphere.Parse(parsedSphere, scene);
                            }
                        }
                        // Cylinders
                        var cylinders = geometries.cylinders;
                        if (cylinders) {
                            for (index = 0, cache = cylinders.length; index < cache; index++) {
                                var parsedCylinder = cylinders[index];
                                BABYLON.Geometry.Primitives.Cylinder.Parse(parsedCylinder, scene);
                            }
                        }
                        // Toruses
                        var toruses = geometries.toruses;
                        if (toruses) {
                            for (index = 0, cache = toruses.length; index < cache; index++) {
                                var parsedTorus = toruses[index];
                                BABYLON.Geometry.Primitives.Torus.Parse(parsedTorus, scene);
                            }
                        }
                        // Grounds
                        var grounds = geometries.grounds;
                        if (grounds) {
                            for (index = 0, cache = grounds.length; index < cache; index++) {
                                var parsedGround = grounds[index];
                                BABYLON.Geometry.Primitives.Ground.Parse(parsedGround, scene);
                            }
                        }
                        // Planes
                        var planes = geometries.planes;
                        if (planes) {
                            for (index = 0, cache = planes.length; index < cache; index++) {
                                var parsedPlane = planes[index];
                                BABYLON.Geometry.Primitives.Plane.Parse(parsedPlane, scene);
                            }
                        }
                        // TorusKnots
                        var torusKnots = geometries.torusKnots;
                        if (torusKnots) {
                            for (index = 0, cache = torusKnots.length; index < cache; index++) {
                                var parsedTorusKnot = torusKnots[index];
                                BABYLON.Geometry.Primitives.TorusKnot.Parse(parsedTorusKnot, scene);
                            }
                        }
                        // VertexData
                        var vertexData = geometries.vertexData;
                        if (vertexData) {
                            for (index = 0, cache = vertexData.length; index < cache; index++) {
                                var parsedVertexData = vertexData[index];
                                BABYLON.Geometry.Parse(parsedVertexData, scene, rootUrl);
                            }
                        }
                    }
                    // Meshes
                    for (index = 0, cache = parsedData.meshes.length; index < cache; index++) {
                        var parsedMesh = parsedData.meshes[index];
                        var mesh = BABYLON.Mesh.Parse(parsedMesh, scene, rootUrl);
                        log += (index === 0 ? "\n\tMeshes:" : "");
                        log += "\n\t\t" + mesh.toString(fullDetails);
                    }
                    // Cameras
                    for (index = 0, cache = parsedData.cameras.length; index < cache; index++) {
                        var parsedCamera = parsedData.cameras[index];
                        var camera = BABYLON.Camera.Parse(parsedCamera, scene);
                        log += (index === 0 ? "\n\tCameras:" : "");
                        log += "\n\t\t" + camera.toString(fullDetails);
                    }
                    if (parsedData.activeCameraID) {
                        scene.setActiveCameraByID(parsedData.activeCameraID);
                    }
                    // Browsing all the graph to connect the dots
                    for (index = 0, cache = scene.cameras.length; index < cache; index++) {
                        var camera = scene.cameras[index];
                        if (camera._waitingParentId) {
                            camera.parent = scene.getLastEntryByID(camera._waitingParentId);
                            camera._waitingParentId = undefined;
                        }
                    }
                    for (index = 0, cache = scene.lights.length; index < cache; index++) {
                        var light = scene.lights[index];
                        if (light._waitingParentId) {
                            light.parent = scene.getLastEntryByID(light._waitingParentId);
                            light._waitingParentId = undefined;
                        }
                    }
                    // Sounds
                    var loadedSounds = [];
                    var loadedSound;
                    if (BABYLON.AudioEngine && parsedData.sounds) {
                        for (index = 0, cache = parsedData.sounds.length; index < cache; index++) {
                            var parsedSound = parsedData.sounds[index];
                            if (BABYLON.Engine.audioEngine.canUseWebAudio) {
                                if (!parsedSound.url)
                                    parsedSound.url = parsedSound.name;
                                if (!loadedSounds[parsedSound.url]) {
                                    loadedSound = BABYLON.Sound.Parse(parsedSound, scene, rootUrl);
                                    loadedSounds[parsedSound.url] = loadedSound;
                                }
                                else {
                                    BABYLON.Sound.Parse(parsedSound, scene, rootUrl, loadedSounds[parsedSound.url]);
                                }
                            }
                            else {
                                var emptySound = new BABYLON.Sound(parsedSound.name, null, scene);
                            }
                        }
                    }
                    loadedSounds = [];
                    // Connect parents & children and parse actions
                    for (index = 0, cache = scene.meshes.length; index < cache; index++) {
                        var mesh = scene.meshes[index];
                        if (mesh._waitingParentId) {
                            mesh.parent = scene.getLastEntryByID(mesh._waitingParentId);
                            mesh._waitingParentId = undefined;
                        }
                        if (mesh._waitingActions) {
                            BABYLON.ActionManager.Parse(mesh._waitingActions, mesh, scene);
                            mesh._waitingActions = undefined;
                        }
                    }
                    // freeze world matrix application
                    for (index = 0, cache = scene.meshes.length; index < cache; index++) {
                        var currentMesh = scene.meshes[index];
                        if (currentMesh._waitingFreezeWorldMatrix) {
                            currentMesh.freezeWorldMatrix();
                            currentMesh._waitingFreezeWorldMatrix = undefined;
                        }
                        else {
                            currentMesh.computeWorldMatrix(true);
                        }
                    }
                    // Particles Systems
                    if (parsedData.particleSystems) {
                        for (index = 0, cache = parsedData.particleSystems.length; index < cache; index++) {
                            var parsedParticleSystem = parsedData.particleSystems[index];
                            BABYLON.ParticleSystem.Parse(parsedParticleSystem, scene, rootUrl);
                        }
                    }
                    // Lens flares
                    if (parsedData.lensFlareSystems) {
                        for (index = 0, cache = parsedData.lensFlareSystems.length; index < cache; index++) {
                            var parsedLensFlareSystem = parsedData.lensFlareSystems[index];
                            BABYLON.LensFlareSystem.Parse(parsedLensFlareSystem, scene, rootUrl);
                        }
                    }
                    // Shadows
                    if (parsedData.shadowGenerators) {
                        for (index = 0, cache = parsedData.shadowGenerators.length; index < cache; index++) {
                            var parsedShadowGenerator = parsedData.shadowGenerators[index];
                            BABYLON.ShadowGenerator.Parse(parsedShadowGenerator, scene);
                        }
                    }
                    // Actions (scene)
                    if (parsedData.actions) {
                        BABYLON.ActionManager.Parse(parsedData.actions, null, scene);
                    }
                    // Finish
                    return true;
                }
                catch (err) {
                    BABYLON.Tools.Log(logOperation("importScene", parsedData ? parsedData.producer : "Unknown") + log);
                    log = null;
                    throw err;
                }
                finally {
                    if (log !== null && BABYLON.SceneLoader.loggingLevel !== BABYLON.SceneLoader.NO_LOGGING) {
                        BABYLON.Tools.Log(logOperation("importScene", parsedData ? parsedData.producer : "Unknown") + (BABYLON.SceneLoader.loggingLevel !== BABYLON.SceneLoader.MINIMAL_LOGGING ? log : ""));
                    }
                }
            }
        });
    })(Internals = BABYLON.Internals || (BABYLON.Internals = {}));
})(BABYLON || (BABYLON = {}));