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▪转换器是用来将其它类型的picker节点、文件转换成mgpicker节点或文件的mel脚本。 转换器非常多地使用了由MG-Picker工作室提供的MEL API命令,主要是这三个命令: MGPicker, MGPickerItem, MGPickerLink. 请参考这些命令的文档来了解它们的用法。
▪这些转换器MEL脚本放在哪里? 对于工具自带的转换器,是放在Maya的脚本文件夹/ MG-PickerStudio/MGPicker_Program/Converters里, 这些转换器由MG-Picker工作室维护所以最好不要去动它。 对于用户编写的转换器,请放在这里:Maya的脚本文件夹/MG-PickerStudio/MGPicker_UserConfig/Converters。
▪要学习如何编写一个转换器,请参考自带的两个mel转换器作为例子参考: Converter_abxPicker.mel, Converter_nickPicker.mel
▪假设您的转换器是为了转换otherPicker类型的picker节点或文件,则转换器mel脚本就叫做Converter_otherPicker.mel, 然后这个mel脚本里必须用global proc编写下面的接口函数: //other picker node converter API: global proc int Converter_otherPicker_autoReadNode(); //return 0~1 value, indicate if MG-Picker should invoke this converter to autoload your in-scene picker node. global proc string Converter_otherPicker_nodeType(); //return string value, the type string of picker node. global proc int Converter_otherPicker_isPickerNode(string $node); //return 0~1 value, indicate the node is of the picker node. global proc string Converter_otherPicker_getNamespace(string $node); //return the namespace from a picker node. //The proc is used in find&Load feature of MG-Picker studio. global proc string[] Converter_otherPicker_nodeLister(); //list all the picker nodes in the scene. global proc int Converter_otherPicker_readNode(string $node); //the actual reader for each picker node.
//other picker file converter API: global proc int Converter_otherPicker_isPickerFile(string $fileFullPath); //Return 1 if the file is the picker file, 0 if not. global proc int Converter_otherPicker_readFile(string $fileFullPath); //the actual reader for each picker file.
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