当前位置: 首页>>代码示例>>C++>>正文


C++ QScriptValueList::length方法代码示例

本文整理汇总了C++中QScriptValueList::length方法的典型用法代码示例。如果您正苦于以下问题:C++ QScriptValueList::length方法的具体用法?C++ QScriptValueList::length怎么用?C++ QScriptValueList::length使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在QScriptValueList的用法示例。


在下文中一共展示了QScriptValueList::length方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: filter

bool EntityEditFilters::filter(glm::vec3& position, EntityItemProperties& propertiesIn, EntityItemProperties& propertiesOut,
        bool& wasChanged, EntityTree::FilterType filterType, EntityItemID& itemID, EntityItemPointer& existingEntity) {
    
    // get the ids of all the zones (plus the global entity edit filter) that the position
    // lies within
    auto zoneIDs = getZonesByPosition(position);
    for (auto id : zoneIDs) {
        if (!itemID.isInvalidID() && id == itemID) {
            continue;
        }
        
        // get the filter pair, etc...  
        _lock.lockForRead();
        FilterData filterData = _filterDataMap.value(id);
        _lock.unlock();
    
        if (filterData.valid()) {
            if (filterData.rejectAll) {
                return false;
            }

            // check to see if this filter wants to filter this message type
            if ((!filterData.wantsToFilterEdit && filterType == EntityTree::FilterType::Edit) ||
                (!filterData.wantsToFilterPhysics && filterType == EntityTree::FilterType::Physics) ||
                (!filterData.wantsToFilterDelete && filterType == EntityTree::FilterType::Delete) ||
                (!filterData.wantsToFilterAdd && filterType == EntityTree::FilterType::Add)) {

                wasChanged = false;
                return true; // accept the message
            }

            auto oldProperties = propertiesIn.getDesiredProperties();
            auto specifiedProperties = propertiesIn.getChangedProperties();
            propertiesIn.setDesiredProperties(specifiedProperties);
            QScriptValue inputValues = propertiesIn.copyToScriptValue(filterData.engine, false, true, true);
            propertiesIn.setDesiredProperties(oldProperties);

            auto in = QJsonValue::fromVariant(inputValues.toVariant()); // grab json copy now, because the inputValues might be side effected by the filter.

            QScriptValueList args;
            args << inputValues;
            args << filterType;

            // get the current properties for then entity and include them for the filter call
            if (existingEntity && filterData.wantsOriginalProperties) {
                auto currentProperties = existingEntity->getProperties(filterData.includedOriginalProperties);
                QScriptValue currentValues = currentProperties.copyToScriptValue(filterData.engine, false, true, true);
                args << currentValues;
            }


            // get the zone properties
            if (filterData.wantsZoneProperties) {
                auto zoneEntity = _tree->findEntityByEntityItemID(id);
                if (zoneEntity) {
                    auto zoneProperties = zoneEntity->getProperties(filterData.includedZoneProperties);
                    QScriptValue zoneValues = zoneProperties.copyToScriptValue(filterData.engine, false, true, true);

                    if (filterData.wantsZoneBoundingBox) {
                        bool success = true;
                        AABox aaBox = zoneEntity->getAABox(success);
                        if (success) {
                            QScriptValue boundingBox = filterData.engine->newObject();
                            QScriptValue bottomRightNear = vec3ToScriptValue(filterData.engine, aaBox.getCorner());
                            QScriptValue topFarLeft = vec3ToScriptValue(filterData.engine, aaBox.calcTopFarLeft());
                            QScriptValue center = vec3ToScriptValue(filterData.engine, aaBox.calcCenter());
                            QScriptValue boundingBoxDimensions = vec3ToScriptValue(filterData.engine, aaBox.getDimensions());
                            boundingBox.setProperty("brn", bottomRightNear);
                            boundingBox.setProperty("tfl", topFarLeft);
                            boundingBox.setProperty("center", center);
                            boundingBox.setProperty("dimensions", boundingBoxDimensions);
                            zoneValues.setProperty("boundingBox", boundingBox);
                        }
                    }

                    // If this is an add or delete, or original properties weren't requested
                    // there won't be original properties in the args, but zone properties need
                    // to be the fourth parameter, so we need to pad the args accordingly
                    int EXPECTED_ARGS = 3;
                    if (args.length() < EXPECTED_ARGS) {
                        args << QScriptValue();
                    }
                    assert(args.length() == EXPECTED_ARGS); // we MUST have 3 args by now!
                    args << zoneValues;
                }
            }

            QScriptValue result = filterData.filterFn.call(_nullObjectForFilter, args);

            if (filterData.uncaughtExceptions()) {
                return false;
            }

            if (result.isObject()) {
                // make propertiesIn reflect the changes, for next filter...
                propertiesIn.copyFromScriptValue(result, false);

                // and update propertiesOut too.  TODO: this could be more efficient...
                propertiesOut.copyFromScriptValue(result, false);
                // Javascript objects are == only if they are the same object. To compare arbitrary values, we need to use JSON.
//.........这里部分代码省略.........
开发者ID:AndrewMeadows,项目名称:hifi,代码行数:101,代码来源:EntityEditFilters.cpp


注:本文中的QScriptValueList::length方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。