为什么同样是学ue4,有的人就看不起蓝图?

24小时前 (09:24:02)阅读1回复0
zaibaike
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我来实名反对

@Leo lee 的答复。

看不起蓝图的人是实的程度还不敷

那个能够在任何场景中利用

看不起c++ 看不起python 看不起其他什么计算机语言的人 我敢说就是程度不可

那种编程语言争论历来都没有意义

语言只要最适宜的场所 没有好坏之分

蓝图的感化很大,它素质是个脚本,是胶水语言,上面良多人已经说过蓝图的利用场景和优缺点了。

至于对

@Leo lee 的答复 我如今一条条来辩驳。一个if else 搞定的工作。你数一数在里面得毗连几个线条和节点?你能够再试下switch逻辑。那tmd并没有削减工做量呀。表达才能上并没有编程语言好。蓝图相当于一个简版的c加加的图形化。完全取代cpp,碰到十分个性的问题,你还在学cpp。

哥们可能没怎么用过蓝图。 吠形吠声。

Switch 节点 简单清洁 没有一条多余的线。 除非那位老码农在蓝图顶用if-else去实现Switch

知乎突然不克不及上传图片了 我把图片上传到另一个处所。

http://chuantu.xyz/t6/740/1598076910x992248267.png​chuantu.xyz/t6/740/1598076910x992248267.png

我怕是那哥们不晓得Switch节点的存在。

蓝图历来都没有说要完全替代CPP。若是有,跪求打脸! 我脸都伸到你巴掌前了,就等你打呢!

还有一个欠好的处所。不克不及复造。不便利部分复造。我看到你网上一段开源的代码间接复造过来。跑一下通了就OK。我看见网上有一段蓝图。就tmd是个图片。我在一个节点一个节点上把它给画一边。等画完又天亮了。

那条槽点太多了。

谁说不克不及复造了? 哥们做为一个老码农, 不去看看UE4源码再来喷吗?

UE4编纂器所有的动做,全数城市转换成字符串,然后再处置。(所以那里其实有坑,若是利用了Instenced的UObject做复造粘贴的话,只会复造指针过去,而不会Duplicate整个UObject)

你没看代码? 好 我来手把手教你。

下面那个文件,是从UObject序列化成字符串的详细逻辑。

Engine\Source\Runtime\Engine\Private\UnrealExporter.cpp

重点存眷

void UExporter::EmitBeginObject( FOutputDevice& Ar, UObject* Obj, uint32 PortFlags )

当你选中蓝图中你需要复造的节点,选择copy后,会施行

void FBlueprintEditor::CopySelectedNodes()

然后会把你选中的节点序列化成字符串:

void FEdGraphUtilities::ExportNodesToText(TSet<UObject*> NodesToExport, /*out*/ FString& ExportedText)

最初将字符串塞入系统剪贴板。

所以上面的例子,看图连线很难是吧? 那我能够间接贴出来啊,列位看官随意翻开一个蓝图 然后复造下面的内容,然后粘贴进去。

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(PinId=8D71B4D244F22BEE407B72B5697A68BC,PinName="NotEqual_IntInt",PinType.PinCategory="object",PinType.PinSubCategory="",PinType.PinSubCategoryObject=Class"/Script/Engine.KismetMathLibrary",PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,DefaultObject="/Script/Engine.Default__KismetMathLibrary",PersistentGuid=00000000000000000000000000000000,bHidden=True,bNotConnectable=True,bDefaultValueIsReadOnly=True,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=82DB77E6485399528ED61A8B77271DA8,PinName="0",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_4 292AB15B4DC58B996E647C84C35C760B,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=FED63B284A3DA7A08F10AC88813B4000,PinName="1",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_5 F09DA7854C62F959BEC7F9B8C9B7478C,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) CustomProperties Pin (PinId=471415D44428BF24E261B691F1D1F25F,PinName="2",Direction="EGPD_Output",PinType.PinCategory="exec",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,LinkedTo=(K2Node_CallFunction_6 660F569F45A8AB744213AE8F8914D160,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,) End Object

所以 谁说蓝图不克不及复造的?

然后画个蓝图能画到天亮????有多复杂的逻辑啊? 我跪求你在网上找一个能让我画到天亮的蓝图逻辑。 跪求!

别的 蓝图的运行机造 哥们有搞清晰吗? 底层是个VM,蓝图会被编译成字节码,然后再VM解释施行,和C#一样。

那哥们说C#不是怪胎,蓝图就是怪胎了。 脑思绪很清奇啊。

图形化编程也是谷歌那几年来不断在鞭策的工作啊!

我想来想去,最初觉得,那哥们说本身是老码农,我料想,他应该指的仅仅是年龄吧。

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为什么同样是学ue4,有的人就看不起蓝图? 期待您的回复!

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