let _flowAnimationContainer;//水流动画容器
let _flowImgSrc = "https://static.bimface.com/attach/34d0d3aeb2e348aea5f3203b760ca667_flow5.png";//水流材质图片
let _flowImgLocal = _base64_flow_effect.FlowEffect;//本地水流材质图片,测试没有通过
let _flowEffectList = new Set();//水流动画列表


//加载水流动画
function loadFlowEffect(item) {
    unloadFlowEffect();
    let flowMaterial = createFlowMaterial(item);
    let flowEffect = createFlowEffect(flowMaterial, item);
    flowEffect.play();
    renderFlowEffect();
}

//加载水流动画列表
function loadFlowEffectList(data) {
    unloadFlowEffect();
    if (data != null && data.length > 0) {
        data.forEach(x => {
            let flowMaterial = createFlowMaterial(x);
            createFlowEffect(flowMaterial, x);
        });
        playFlowEffect();
        renderFlowEffect();
    }
}

//更新水流动画
function updateFlowEffect(item) {
    if (_flowEffectList.size > 0) {
        let flowEffectId = getFlowEffectId(item.id);
        _flowEffectList.forEach(x => {
            if (x.getId() == flowEffectId) {
                x.setSpeed([item.speedx, item.speedy]);
            }
        });
    }
}

//更新水流动画列表
function updateFlowEffectList(data) {
    if (data != null && data.length > 0) {
        data.forEach(x => {
            updateFlowEffect(x);
        });
    }
}

//通过id卸载水流动画
function unloadFlowEffectById(id) {
    if (_flowEffectList.size > 0) {
        let flowEffectId = getFlowEffectId(id);
        let flowEffect = null;
        _flowEffectList.forEach(x => {
            if (x.getId() == flowEffectId) {
                flowEffect = x;
            }
        });
        if (flowEffect != null) {
            _flowEffectList.delete(flowEffect);
            let flowMaterialId = getFlowMaterialId(id);
            initialFlowAnimationContainer();
            let flowMaterial = _flowAnimationContainer.getMaterialById(flowMaterialId)
            if (flowMaterial != null) {
                flowMaterial.clearOverrideComponentsMaterial();
                _flowAnimationContainer.removeMaterialById(flowMaterialId)
            }
        }
    }
}

//卸载水流动画
function unloadFlowEffect() {
    if (_flowEffectList.size > 0) {
        _flowEffectList.clear();
        initialFlowAnimationContainer();
        let allMaterialList = _flowAnimationContainer.getAllMaterials();
        if (allMaterialList != null && allMaterialList.length > 0) {
            allMaterialList.forEach(x => {
                x.clearOverrideComponentsMaterial();
            });
        }
        _flowAnimationContainer.clear();
    }
}

//初始化水流动画容器
function initialFlowAnimationContainer() {
    if (_flowAnimationContainer == null) {
        // 构造水流材质容器
        _flowAnimationContainer = new Glodon.Bimface.Plugins.Material.MaterialContainer();
    }
}

//创建水流材质
function createFlowMaterial(item) {
    initialFlowAnimationContainer();
    // 构造材质配置 
    let flowMaterialConfig = new Glodon.Bimface.Plugins.Material.MaterialConfig();
    flowMaterialConfig.viewer = _viewer;
    flowMaterialConfig.src = _flowImgLocal;
    flowMaterialConfig.rotation = item.rotation;
    flowMaterialConfig.offset = [0, 0];
    flowMaterialConfig.scale = [0.1524, 0.1524];
    flowMaterialConfig.id = getFlowMaterialId(item.id);
    // 构造材质对象 
    let flowMaterial = new Glodon.Bimface.Plugins.Material.Material(flowMaterialConfig);
    _flowAnimationContainer.addMaterial(flowMaterial);
    flowMaterial.overrideComponentsMaterialById([item.id]);//数组
    return flowMaterial;
}

//创建水流动画
function createFlowEffect(material, item) {
    // 构造水流动画配置
    let flowEffectConfig = new Glodon.Bimface.Plugins.Animation.FlowEffectConfig();
    flowEffectConfig.material = material;
    flowEffectConfig.speed = [item.speedx, item.speedy];
    flowEffectConfig.viewer = _viewer;
    flowEffectConfig.id = getFlowEffectId(item.id);
    //构造水流动画
    let flowEffect = new Glodon.Bimface.Plugins.Animation.FlowEffect(flowEffectConfig);
    _flowEffectList.add(flowEffect);
    return flowEffect;
}

//获取水流动画id
function getFlowEffectId(id) {
    return "flow-effect-" + id;
}

//获取水流材质id
function getFlowMaterialId(id) {
    return "flow-material-" + id;
}

//开始水流动画
function playFlowEffect() {
    if (_flowEffectList.size > 0) {
        _flowEffectList.forEach(x => x.play());
    }
}

//停止水流动画
function stopFlowEffect() {
    if (_flowEffectList.size > 0) {
        _flowEffectList.forEach(x => x.stop());
    }
}

//重绘水流动画 
function renderFlowEffect() {
    // 渲染三维模型，加载图片资源需要时间，此处设定了500ms的延迟
    setTimeout("_viewer.render()", 500);
}