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Decorators 即为其他行为树系统中的条件语句,附着于一个 Composite 或 Task 节点,并定义树中的一个分支或单个节点是否能被执行。
AI Pawn 接近目标时,Decorator 将停止执行行为树中的 Rapid Move To 分支。利用 Rapid Move To 或 Move To Task 节点也可执行该操作,但 decorator 可接收任何 Actor 并阻止任何分支的执行。在许多情况下均可重复利用。
步骤
在 内容浏览器 中 双击 打开 FollowerBT 行为树。
点击 New Decorator 按钮。
它将创建于和行为树相同的文件夹中。
在 内容浏览器 中将其重命名为 “CloseEnough”。
编辑器应已将其打开以便编辑。如尚未打开,在 内容浏览器 中 双击 打开。
在 My Blueprint 标签下的 Functions 部分中,“覆盖” PerformConditionCheck。
在新功能中创建以下图表:
p').length != 0) { copyToClipboard($('#fullgraphBTService13_snippet > p').html()); } else { copyToClipboard($('#fullgraphBTService13_snippet').html()); }Copy Example
Begin Object Class=K2Node_FunctionEntry Name="K2Node_FunctionEntry_232" Begin Object Class=EdGraphPin Name="EdGraphPin_2024" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2025" End Object Begin Object Name="EdGraphPin_2024" PinName="then" Direction=EGPD_Output PinType=(PinCategory="exec") LinkedTo(0)=EdGraphPin'K2Node_DynamicCast_1392.EdGraphPin_6389' End Object Begin Object Name="EdGraphPin_2025" PinName="OwnerActor" PinToolTip="Owner Actor\nActor Reference" Direction=EGPD_Output PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/Engine.Actor') LinkedTo(0)=EdGraphPin'K2Node_DynamicCast_1392.EdGraphPin_6392' End Object SignatureClass=Class'/Script/AIModule.BTDecorator_BlueprintBase' SignatureName="PerformConditionCheck" Pins(0)=EdGraphPin'EdGraphPin_2024' Pins(1)=EdGraphPin'EdGraphPin_2025' NodePosX=-528 NodePosY=128 NodeGuid=0A0113274C6A45583FC0029DF5C0B42AEnd ObjectBegin Object Class=K2Node_FunctionResult Name="K2Node_FunctionResult_0" Begin Object Class=EdGraphPin Name="EdGraphPin_2018" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2019" End Object Begin Object Name="EdGraphPin_2018" PinName="execute" PinType=(PinCategory="exec") LinkedTo(0)=EdGraphPin'K2Node_VariableSet_421.EdGraphPin_2031' End Object Begin Object Name="EdGraphPin_2019" PinName="ReturnValue" PinToolTip="Return Value\nBoolean" PinType=(PinCategory="bool") DefaultValue="false" AutogeneratedDefaultValue="false" LinkedTo(0)=EdGraphPin'K2Node_CallFunction_39752.EdGraphPin_2117' End Object SignatureClass=Class'/Script/AIModule.BTDecorator_BlueprintBase' SignatureName="PerformConditionCheck" Pins(0)=EdGraphPin'EdGraphPin_2018' Pins(1)=EdGraphPin'EdGraphPin_2019' NodePosX=928 NodePosY=128 NodeGuid=DD04EA414F688EBF13F8C4AF7F135206End ObjectBegin Object Class=K2Node_DynamicCast Name="K2Node_DynamicCast_1392" Begin Object Class=EdGraphPin Name="EdGraphPin_6389" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_6390" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_6391" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_6392" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_6393" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_6394" End Object Begin Object Name="EdGraphPin_6389" PinName="execute" PinType=(PinCategory="exec") LinkedTo(0)=EdGraphPin'K2Node_FunctionEntry_232.EdGraphPin_2024' End Object Begin Object Name="EdGraphPin_6390" PinName="then" Direction=EGPD_Output PinType=(PinCategory="exec") LinkedTo(0)=EdGraphPin'K2Node_VariableSet_421.EdGraphPin_2030' End Object Begin Object Name="EdGraphPin_6391" PinName="CastFailed" Direction=EGPD_Output PinType=(PinCategory="exec") End Object Begin Object Name="EdGraphPin_6392" PinName="Object" PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/CoreUObject.Object') LinkedTo(0)=EdGraphPin'K2Node_FunctionEntry_232.EdGraphPin_2025' End Object Begin Object Name="EdGraphPin_6393" PinName="AsFollower AI CON" Direction=EGPD_Output PinType=(PinCategory="object",PinSubCategoryObject=BlueprintGeneratedClass'/Game/Blueprints/AI/Follower_AI_Con.Follower_AI_CON_C') LinkedTo(0)=EdGraphPin'K2Node_VariableSet_421.EdGraphPin_2032' End Object Begin Object Name="EdGraphPin_6394" PinName="bSuccess" Direction=EGPD_Output PinType=(PinCategory="bool") bHidden=True End Object TargetType=BlueprintGeneratedClass'/Game/Blueprints/AI/Follower_AI_Con.Follower_AI_CON_C' Pins(0)=EdGraphPin'EdGraphPin_6389' Pins(1)=EdGraphPin'EdGraphPin_6390' Pins(2)=EdGraphPin'EdGraphPin_6391' Pins(3)=EdGraphPin'EdGraphPin_6392' Pins(4)=EdGraphPin'EdGraphPin_6393' Pins(5)=EdGraphPin'EdGraphPin_6394' NodePosX=-192 NodePosY=144 NodeGuid=735B1F0141DBFBCA06C2CEB84A6936B4End ObjectBegin Object Class=K2Node_VariableSet Name="K2Node_VariableSet_421" Begin Object Class=EdGraphPin Name="EdGraphPin_2030" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2031" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2032" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2033" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2034" End Object Begin Object Name="EdGraphPin_2030" PinName="execute" PinType=(PinCategory="exec") LinkedTo(0)=EdGraphPin'K2Node_DynamicCast_1392.EdGraphPin_6390' End Object Begin Object Name="EdGraphPin_2031" PinName="then" Direction=EGPD_Output PinType=(PinCategory="exec") LinkedTo(0)=EdGraphPin'K2Node_FunctionResult_0.EdGraphPin_2018' End Object Begin Object Name="EdGraphPin_2032" PinName="AI_CON_Ref" PinType=(PinCategory="object",PinSubCategoryObject=BlueprintGeneratedClass'/Game/Blueprints/AI/Follower_AI_Con.Follower_AI_CON_C') LinkedTo(0)=EdGraphPin'K2Node_DynamicCast_1392.EdGraphPin_6393' End Object Begin Object Name="EdGraphPin_2033" PinName="Output_Get" PinToolTip="Retrieves the value of the variable, can use instead of a separate Get node" Direction=EGPD_Output PinType=(PinCategory="object",PinSubCategoryObject=BlueprintGeneratedClass'/Game/Blueprints/AI/Follower_AI_Con.Follower_AI_CON_C') End Object Begin Object Name="EdGraphPin_2034" PinName="self" PinFriendlyName="Target" PinType=(PinCategory="object",PinSubCategoryObject=BlueprintGeneratedClass'/Game/Blueprints/AI/CloseEnough.CloseEnough_C') bHidden=True End Object VariableReference=(MemberName="AI_CON_Ref",bSelfContext=True) Pins(0)=EdGraphPin'EdGraphPin_2030' Pins(1)=EdGraphPin'EdGraphPin_2031' Pins(2)=EdGraphPin'EdGraphPin_2032' Pins(3)=EdGraphPin'EdGraphPin_2033' Pins(4)=EdGraphPin'EdGraphPin_2034' NodePosX=80 NodePosY=144 NodeGuid=38C59DC54CFF01BBAA134EA5044A5015End ObjectBegin Object Class=K2Node_CallFunction Name="K2Node_CallFunction_123506" Begin Object Class=EdGraphPin Name="EdGraphPin_2045" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2046" End Object Begin Object Name="EdGraphPin_2045" PinName="self" PinFriendlyName="Target" PinToolTip="Target\nController Reference" PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/Engine.Controller') LinkedTo(0)=EdGraphPin'K2Node_VariableGet_624.EdGraphPin_2051' End Object Begin Object Name="EdGraphPin_2046" PinName="ReturnValue" PinToolTip="Return Value\nPawn Reference" Direction=EGPD_Output PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/Engine.Pawn') LinkedTo(0)=EdGraphPin'K2Node_CallFunction_30834.EdGraphPin_2057' End Object bIsPureFunc=True bIsConstFunc=True FunctionReference=(MemberParentClass=Class'/Script/Engine.Controller',MemberName="K2_GetPawn") Pins(0)=EdGraphPin'EdGraphPin_2045' Pins(1)=EdGraphPin'EdGraphPin_2046' NodePosX=-240 NodePosY=384 NodeGuid=431AF3184AEF62590716B7AFBC166188End ObjectBegin Object Class=K2Node_VariableGet Name="K2Node_VariableGet_624" Begin Object Class=EdGraphPin Name="EdGraphPin_2051" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2052" End Object Begin Object Name="EdGraphPin_2051" PinName="AI_CON_Ref" Direction=EGPD_Output PinType=(PinCategory="object",PinSubCategoryObject=BlueprintGeneratedClass'/Game/Blueprints/AI/Follower_AI_Con.Follower_AI_CON_C') LinkedTo(0)=EdGraphPin'K2Node_CallFunction_123506.EdGraphPin_2045' End Object Begin Object Name="EdGraphPin_2052" PinName="self" PinFriendlyName="Target" PinType=(PinCategory="object",PinSubCategoryObject=BlueprintGeneratedClass'/Game/Blueprints/AI/CloseEnough.CloseEnough_C') bHidden=True End Object VariableReference=(MemberName="AI_CON_Ref",bSelfContext=True) Pins(0)=EdGraphPin'EdGraphPin_2051' Pins(1)=EdGraphPin'EdGraphPin_2052' NodePosX=-416 NodePosY=384 NodeGuid=D0D08EBC43D0D16966A4379430CA4038End ObjectBegin Object Class=K2Node_CallFunction Name="K2Node_CallFunction_30834" Begin Object Class=EdGraphPin Name="EdGraphPin_2057" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2058" End Object Begin Object Name="EdGraphPin_2057" PinName="self" PinFriendlyName="Target" PinToolTip="Target\nActor Reference" PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/Engine.Actor') LinkedTo(0)=EdGraphPin'K2Node_CallFunction_123506.EdGraphPin_2046' End Object Begin Object Name="EdGraphPin_2058" PinName="ReturnValue" PinToolTip="Return Value\nVector " Direction=EGPD_Output PinType=(PinCategory="struct",PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Object:Vector') DefaultValue="0, 0, 0" AutogeneratedDefaultValue="0, 0, 0" LinkedTo(0)=EdGraphPin'K2Node_CallFunction_31029.EdGraphPin_2089' End Object bIsPureFunc=True bIsConstFunc=True FunctionReference=(MemberParentClass=Class'/Script/Engine.Actor',MemberName="K2_GetActorLocation") Pins(0)=EdGraphPin'EdGraphPin_2057' Pins(1)=EdGraphPin'EdGraphPin_2058' NodePosX=16 NodePosY=384 NodeGuid=07C3199047638F25D389BCB6D5AA4B65End ObjectBegin Object Class=K2Node_CallFunction Name="K2Node_CallFunction_30917" Begin Object Class=EdGraphPin Name="EdGraphPin_2081" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2082" End Object Begin Object Name="EdGraphPin_2081" PinName="self" PinFriendlyName="Target" PinToolTip="Target\nActor Reference" PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/Engine.Actor') LinkedTo(0)=EdGraphPin'K2Node_CallFunction_26123.EdGraphPin_2129' End Object Begin Object Name="EdGraphPin_2082" PinName="ReturnValue" PinToolTip="Return Value\nVector " Direction=EGPD_Output PinType=(PinCategory="struct",PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Object:Vector') DefaultValue="0, 0, 0" AutogeneratedDefaultValue="0, 0, 0" LinkedTo(0)=EdGraphPin'K2Node_CallFunction_31029.EdGraphPin_2088' End Object bIsPureFunc=True bIsConstFunc=True FunctionReference=(MemberParentClass=Class'/Script/Engine.Actor',MemberName="K2_GetActorLocation") Pins(0)=EdGraphPin'EdGraphPin_2081' Pins(1)=EdGraphPin'EdGraphPin_2082' NodePosX=16 NodePosY=288 NodeGuid=895F88654C27F0C5BCA2E2A8F868C28CEnd ObjectBegin Object Class=K2Node_CallFunction Name="K2Node_CallFunction_31029" Begin Object Class=EdGraphPin Name="EdGraphPin_2087" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2088" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2089" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2090" End Object Begin Object Name="EdGraphPin_2087" PinName="self" PinFriendlyName="Target" PinToolTip="Target\nKismet Math Library Reference" PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/Engine.KismetMathLibrary') DefaultObject=Default__KismetMathLibrary bHidden=True End Object Begin Object Name="EdGraphPin_2088" PinName="A" PinToolTip="A\nVector " PinType=(PinCategory="struct",PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Object:Vector') DefaultValue="0, 0, 0" AutogeneratedDefaultValue="0, 0, 0" LinkedTo(0)=EdGraphPin'K2Node_CallFunction_30917.EdGraphPin_2082' End Object Begin Object Name="EdGraphPin_2089" PinName="B" PinToolTip="B\nVector " PinType=(PinCategory="struct",PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Object:Vector') DefaultValue="0, 0, 0" AutogeneratedDefaultValue="0, 0, 0" LinkedTo(0)=EdGraphPin'K2Node_CallFunction_30834.EdGraphPin_2058' End Object Begin Object Name="EdGraphPin_2090" PinName="ReturnValue" PinToolTip="Return Value\nVector " Direction=EGPD_Output PinType=(PinCategory="struct",PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Object:Vector') DefaultValue="0, 0, 0" AutogeneratedDefaultValue="0, 0, 0" LinkedTo(0)=EdGraphPin'K2Node_CallFunction_31141.EdGraphPin_2100' End Object bIsPureFunc=True FunctionReference=(MemberParentClass=Class'/Script/Engine.KismetMathLibrary',MemberName="Subtract_VectorVector") Pins(0)=EdGraphPin'EdGraphPin_2087' Pins(1)=EdGraphPin'EdGraphPin_2088' Pins(2)=EdGraphPin'EdGraphPin_2089' Pins(3)=EdGraphPin'EdGraphPin_2090' NodePosX=240 NodePosY=352 NodeGuid=5A8D334A4D575676CD7D149EB17AFD8BEnd ObjectBegin Object Class=K2Node_CallFunction Name="K2Node_CallFunction_31141" Begin Object Class=EdGraphPin Name="EdGraphPin_2099" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2100" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2101" End Object Begin Object Name="EdGraphPin_2099" PinName="self" PinFriendlyName="Target" PinToolTip="Target\nKismet Math Library Reference" PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/Engine.KismetMathLibrary') DefaultObject=Default__KismetMathLibrary bHidden=True End Object Begin Object Name="EdGraphPin_2100" PinName="A" PinToolTip="A\nVector " PinType=(PinCategory="struct",PinSubCategoryObject=ScriptStruct'/Script/CoreUObject.Object:Vector') DefaultValue="0, 0, 0" AutogeneratedDefaultValue="0, 0, 0" LinkedTo(0)=EdGraphPin'K2Node_CallFunction_31029.EdGraphPin_2090' End Object Begin Object Name="EdGraphPin_2101" PinName="ReturnValue" PinToolTip="Return Value\nFloat" Direction=EGPD_Output PinType=(PinCategory="float") DefaultValue="0.0" AutogeneratedDefaultValue="0.0" LinkedTo(0)=EdGraphPin'K2Node_CallFunction_39752.EdGraphPin_2115' End Object bIsPureFunc=True FunctionReference=(MemberParentClass=Class'/Script/Engine.KismetMathLibrary',MemberName="VSize") Pins(0)=EdGraphPin'EdGraphPin_2099' Pins(1)=EdGraphPin'EdGraphPin_2100' Pins(2)=EdGraphPin'EdGraphPin_2101' NodePosX=352 NodePosY=352 NodeGuid=82F21A114631FECA2AE22AA74D0DF02DEnd ObjectBegin Object Class=K2Node_VariableGet Name="K2Node_VariableGet_151" Begin Object Class=EdGraphPin Name="EdGraphPin_2108" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2109" End Object Begin Object Name="EdGraphPin_2108" PinName="AcceptableDistance" Direction=EGPD_Output PinType=(PinCategory="float") DefaultValue="0.0" AutogeneratedDefaultValue="0.0" LinkedTo(0)=EdGraphPin'K2Node_CallFunction_39752.EdGraphPin_2116' End Object Begin Object Name="EdGraphPin_2109" PinName="self" PinFriendlyName="Target" PinType=(PinCategory="object",PinSubCategoryObject=BlueprintGeneratedClass'/Game/Blueprints/AI/CloseEnough.CloseEnough_C') bHidden=True End Object VariableReference=(MemberName="AcceptableDistance",bSelfContext=True) Pins(0)=EdGraphPin'EdGraphPin_2108' Pins(1)=EdGraphPin'EdGraphPin_2109' NodePosX=368 NodePosY=432 NodeGuid=7CDE1FD54D772AEF57C5F693ED511A8EEnd ObjectBegin Object Class=K2Node_CallFunction Name="K2Node_CallFunction_39752" Begin Object Class=EdGraphPin Name="EdGraphPin_2114" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2115" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2116" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2117" End Object Begin Object Name="EdGraphPin_2114" PinName="self" PinFriendlyName="Target" PinToolTip="Target\nKismet Math Library Reference" PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/Engine.KismetMathLibrary') DefaultObject=Default__KismetMathLibrary bHidden=True End Object Begin Object Name="EdGraphPin_2115" PinName="A" PinToolTip="A\nFloat" PinType=(PinCategory="float") DefaultValue="0.0" AutogeneratedDefaultValue="0.0" LinkedTo(0)=EdGraphPin'K2Node_CallFunction_31141.EdGraphPin_2101' End Object Begin Object Name="EdGraphPin_2116" PinName="B" PinToolTip="B\nFloat" PinType=(PinCategory="float") DefaultValue="0.0" AutogeneratedDefaultValue="0.0" LinkedTo(0)=EdGraphPin'K2Node_VariableGet_151.EdGraphPin_2108' End Object Begin Object Name="EdGraphPin_2117" PinName="ReturnValue" PinToolTip="Return Value\nBoolean" Direction=EGPD_Output PinType=(PinCategory="bool") DefaultValue="false" AutogeneratedDefaultValue="false" LinkedTo(0)=EdGraphPin'K2Node_FunctionResult_0.EdGraphPin_2019' End Object bIsPureFunc=True FunctionReference=(MemberParentClass=Class'/Script/Engine.KismetMathLibrary',MemberName="GreaterEqual_FloatFloat") Pins(0)=EdGraphPin'EdGraphPin_2114' Pins(1)=EdGraphPin'EdGraphPin_2115' Pins(2)=EdGraphPin'EdGraphPin_2116' Pins(3)=EdGraphPin'EdGraphPin_2117' NodePosX=544 NodePosY=384 NodeGuid=D75D724E47942AC9F4D77F987B81AD57End ObjectBegin Object Class=K2Node_CallFunction Name="K2Node_CallFunction_26123" Begin Object Class=EdGraphPin Name="EdGraphPin_2126" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2127" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2128" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2129" End Object Begin Object Name="EdGraphPin_2126" PinName="self" PinFriendlyName="Target" PinToolTip="Target\nBTFunction Library Reference" PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/AIModule.BTFunctionLibrary') DefaultObject=Default__BTFunctionLibrary bHidden=True End Object Begin Object Name="EdGraphPin_2127" PinName="NodeOwner" PinToolTip="Node Owner\nBTNode Reference" PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/AIModule.BTNode') bHidden=True End Object Begin Object Name="EdGraphPin_2128" PinName="Key" PinToolTip="Key\nBlackboard Key Selector Structure (by ref)" PinType=(PinCategory="struct",PinSubCategoryObject=ScriptStruct'/Script/AIModule.BehaviorTreeTypes:BlackboardKeySelector',bIsReference=True,bIsConst=True) LinkedTo(0)=EdGraphPin'K2Node_VariableGet_111.EdGraphPin_2138' bDefaultValueIsIgnored=True End Object Begin Object Name="EdGraphPin_2129" PinName="ReturnValue" PinToolTip="Return Value\nActor Reference" Direction=EGPD_Output PinType=(PinCategory="object",PinSubCategoryObject=Class'/Script/Engine.Actor') LinkedTo(0)=EdGraphPin'K2Node_CallFunction_30917.EdGraphPin_2081' End Object bIsPureFunc=True FunctionReference=(MemberParentClass=Class'/Script/AIModule.BTFunctionLibrary',MemberName="GetBlackboardValueAsActor") Pins(0)=EdGraphPin'EdGraphPin_2126' Pins(1)=EdGraphPin'EdGraphPin_2127' Pins(2)=EdGraphPin'EdGraphPin_2128' Pins(3)=EdGraphPin'EdGraphPin_2129' NodePosX=-256 NodePosY=288 ErrorType=1 ErrorMsg="Error Default value \'\' for Key is invalid: \'Literal values are not allowed for pass-by-reference parameters.\'" NodeGuid=FF6A2DB4475BFE05D0CA1EB0D698BB0AEnd ObjectBegin Object Class=K2Node_VariableGet Name="K2Node_VariableGet_111" Begin Object Class=EdGraphPin Name="EdGraphPin_2138" End Object Begin Object Class=EdGraphPin Name="EdGraphPin_2139" End Object Begin Object Name="EdGraphPin_2138" PinName="TargetToFollow" Direction=EGPD_Output PinType=(PinCategory="struct",PinSubCategoryObject=ScriptStruct'/Script/AIModule.BehaviorTreeTypes:BlackboardKeySelector') LinkedTo(0)=EdGraphPin'K2Node_CallFunction_26123.EdGraphPin_2128' End Object Begin Object Name="EdGraphPin_2139" PinName="self" PinFriendlyName="Target" PinType=(PinCategory="object",PinSubCategoryObject=BlueprintGeneratedClass'/Game/Blueprints/AI/CloseEnough.CloseEnough_C') bHidden=True End Object VariableReference=(MemberName="TargetToFollow",bSelfContext=True) Pins(0)=EdGraphPin'EdGraphPin_2138' Pins(1)=EdGraphPin'EdGraphPin_2139' NodePosX=-416 NodePosY=288 NodeGuid=7E75B438413B960D40E5A68DECD346A2End Object p').length != 0) { copyToClipboard($('#fullgraphBTService13_snippet > p').html()); } else { copyToClipboard($('#fullgraphBTService13_snippet').html()); }
点击图片将其展开,或点击 此处
在窗口中打开。
该蓝图的变量名、类型和数值:
变量名
类型
数值
AI_CON_RefFollower_AI_CON_C无AcceptableDistanceFloat0.0 - 但此变量的“可编辑”标记为 True,因此可在行为树中根据实例进行变更。TargetToFollowBlackboardKeySelector无 - 但此变量的“可编辑”标记为 True,因此可在行为树中根据实例进行变更。
因其为功能图表,如使用上方图表图片中的 Code Snippet,只能获取图表的中央部分,首尾两端的节点将不会被连接。只需依据图片所示连接节点便可正常执行。
当行为树根据条件命中一个节点时,事件 Receive Condition Check 将被发送至该蓝图。
保存 AI 控制器以便日后轻松参考。
获取需要追踪的 Actor(玩家 Pawn)。
获取该 Actor 和 AI Pawn 之间的距离。
如距离大于可配置量,则条件将返回 True。如小于可配置量,则返回 False,并阻止其所在行为树部分的执行。
这可使其正常工作,避免行为树不断循环至 RapidMoveTo,导致 AI 反复行动。基本上而言,AI 抓住玩家后便会停止行动。
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