dataserver_qp_23D_zhsj/scripts/mod/layerVue/model.js

/**
 * [ONEMAP.M.projectController]
 * @return {[object]}
 */
define(function () {

    /**
     * 初始化并订阅事件
     * @return {[type]} [description]
     */
    /**
     * 模块数据 用于数据存储和外部调用
     * @type {Object}
     * 数据存放
     */
    var modValue = {
        QXSY: {},
        cancelSelected: null,
    }

    function prototypeBind() {
        //1.0GLTG插件
        var fixGltf = function (gltf) {
            if (!gltf.extensionsUsed) {
                return;
            }
            var v = gltf.extensionsUsed.indexOf('KHR_technique_webgl');
            var t = gltf.extensionsRequired.indexOf('KHR_technique_webgl');
            // 中招了。。
            if (v !== -1) {
                gltf.extensionsRequired.splice(t, 1, 'KHR_techniques_webgl');
                gltf.extensionsUsed.splice(v, 1, 'KHR_techniques_webgl');
                gltf.extensions = gltf.extensions || {};
                gltf.extensions['KHR_techniques_webgl'] = {};
                gltf.extensions['KHR_techniques_webgl'].programs = gltf.programs;
                gltf.extensions['KHR_techniques_webgl'].shaders = gltf.shaders;
                gltf.extensions['KHR_techniques_webgl'].techniques = gltf.techniques;
                var techniques = gltf.extensions['KHR_techniques_webgl'].techniques;

                gltf.materials.forEach(function (mat, index) {
                    gltf.materials[index].extensions['KHR_technique_webgl'].values = gltf.materials[index].values;
                    gltf.materials[index].extensions['KHR_techniques_webgl'] = gltf.materials[index].extensions['KHR_technique_webgl'];

                    var vtxfMaterialExtension = gltf.materials[index].extensions['KHR_techniques_webgl'];

                    for (var value in vtxfMaterialExtension.values) {
                        var us = techniques[vtxfMaterialExtension.technique].uniforms;
                        for (var key in us) {
                            if (us[key] === value) {
                                vtxfMaterialExtension.values[key] = vtxfMaterialExtension.values[value];
                                delete vtxfMaterialExtension.values[value];
                                break;
                            }
                        }
                    };
                });

                techniques.forEach(function (t) {
                    for (var attribute in t.attributes) {
                        var name = t.attributes[attribute];
                        t.attributes[attribute] = t.parameters[name];
                    };

                    for (var uniform in t.uniforms) {
                        var name = t.uniforms[uniform];
                        t.uniforms[uniform] = t.parameters[name];
                    };
                });
            }
        }
        Object.defineProperties(Cesium.Model.prototype, {
            _cachedGltf: {
                set: function (value) {
                    this._vtxf_cachedGltf = value;
                    if (this._vtxf_cachedGltf && this._vtxf_cachedGltf._gltf) {
                        fixGltf(this._vtxf_cachedGltf._gltf);
                    }
                },
                get: function () {
                    return this._vtxf_cachedGltf;
                }
            }
        });
    }

    function add(item, cancelSelected) {
        modValue.cancelSelected = cancelSelected
        // if (ONEMAP.M.myLayers.checkLength() >= map23DConfig.layerMaxLength) {
        //     ONEMAP.C.publisher.publish({ type: 'warning', message: '图层数量已达上限' }, 'noteBar::add');
        //     modValue.cancelSelected(item.id)
        //     return;
        // }
        var modelData = {
            "category": "倾斜摄影",
            "info": "",
            "name": item.title,
            "url": item.c_url,
            "layerInfo": item
        }
        var guid = null
        var options = {};
        guid = add3DQX(modelData);
        options = {
            action: "add",
            DOM: {
                guid: guid,
                type: "QXSY",
                name: item.title,
            },
            mod: "QXSY"
        }
        if (!guid) {
            return
        }
        ONEMAP.M.myLayers.myLayerControl(options); // 添加信息到“我的图层”
        ONEMAP.C.publisher.subscribe(layerAction, guid);
    }

    function remove(options) {
        var guid = options.guid ? options.guid : "QXSY--" + options.id;
        modValue.cancelSelected(guid);
        removeQXSY({ guid: guid });
        ONEMAP.M.myLayers.myLayerControl({
            action: "remove",
            DOMid: guid
        });
        // 移除数据层
    }

    function layerAction(options) {
        if (options.guid.split("--")[0] == "QXSY") {
            if (options.action == "remove") {
                remove(options)
                // 执行传入方法，取消勾选
                modValue.cancelSelected(options.guid.split("--")[1]);
            } else if (options.action == "opacity") {
                opacityQXSY(options)
            } else if (options.action == "controlShow") {
                controlShowQXSY(options)
            } else if (options.action == "location") {
                locationQXSY(options)
            }
        }
    }

    /**
     * 加载/移除倾斜摄影
     * @return {[type]} [description]
     */
    function add3DQX(options) {
        // var guid = map23DControl.buildGuid('QXSY-' + options.layerInfo.id + "-");
        var guid = 'QXSY--' + options.layerInfo.id
        var tilesetUrl = options.url
        var tileset = new Cesium.Cesium3DTileset({
            url: tilesetUrl,
            show: true,
        });
        modValue.tileset = tileset
        map3DViewer.map.scene.primitives.add(tileset, 1);
        tileset.readyPromise.then(function (tileset) {
            // mapControl.viewer.camera.viewBoundingSphere(tileset.boundingSphere, new Cesium.HeadingPitchRange(0, -0.5, 0));
            // changeHeight(0)
        });
        map3DViewer.map.zoomTo(tileset);
        modValue.QXSY[guid] = tileset
        return guid;
    };

    function removeQXSY(options) {
        map3DViewer.map.scene.primitives.remove(modValue.QXSY[options.guid]);
        delete modValue.QXSY[options.guid];

    }

    function opacityQXSY(options) {
        // if (options.options.opacity)
        //     modValue.QXSY[options.guid].show = true
        // if (!options.options.opacity)
        //     modValue.QXSY[options.guid].show = false
        modValue.QXSY[options.guid].style = new Cesium.Cesium3DTileStyle({
            // //写法一
            color: "color('rgba(255,255,255," + options.options.opacity + ")')",
            // //写法2
            // color: {
            //     evaluateColor: function (feature, result) {
            //         let color = new Cesium.Color(1, 1, 1, options.options.opacity);
            //         return color;
            //     }
            // },
            show: true,
        })
    }

    function controlShowQXSY(options) {
        if (options.options.show)
            modValue.QXSY[options.guid].show = true
        if (!options.options.show)
            modValue.QXSY[options.guid].show = false
    }

    function locationQXSY(options) {
        map3DViewer.map.zoomTo(modValue.QXSY[options.guid])
    }

    return ONEMAP.M.threeData = {
        add: add,
        remove: remove,
    }
});