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75200e5a0d
This will occur with every structural modification to any BP, node titles refresh only when visible. [CL 2499923 by Michael Schoell in Main branch]
87 lines
3.4 KiB
C++
87 lines
3.4 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#include "AnimGraphPrivatePCH.h"
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#include "AnimGraphNode_BoneDrivenController.h"
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#define LOCTEXT_NAMESPACE "A3Nodes"
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UAnimGraphNode_BoneDrivenController::UAnimGraphNode_BoneDrivenController(const FObjectInitializer& ObjectInitializer)
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:Super(ObjectInitializer)
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{
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}
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FText UAnimGraphNode_BoneDrivenController::GetTooltipText() const
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{
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return LOCTEXT("UAnimGraphNode_BoneDrivenController_ToolTip", "Drives the transform of a bone using the transform of another");
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}
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FText UAnimGraphNode_BoneDrivenController::GetNodeTitle(ENodeTitleType::Type TitleType) const
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{
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if ((Node.SourceBone.BoneName == NAME_None) && (Node.TargetBone.BoneName == NAME_None) && (TitleType == ENodeTitleType::ListView || TitleType == ENodeTitleType::MenuTitle))
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{
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return GetControllerDescription();
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}
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// @TODO: the bone can be altered in the property editor, so we have to
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// choose to mark this dirty when that happens for this to properly work
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else //if (!CachedNodeTitles.IsTitleCached(TitleType, this))
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{
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FFormatNamedArguments Args;
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Args.Add(TEXT("ControllerDesc"), GetControllerDescription());
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Args.Add(TEXT("SourceBone"), FText::FromName(Node.SourceBone.BoneName));
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Args.Add(TEXT("TargetBone"), FText::FromName(Node.TargetBone.BoneName));
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if (TitleType == ENodeTitleType::ListView || TitleType == ENodeTitleType::MenuTitle)
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{
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Args.Add(TEXT("Delim"), FText::FromString(TEXT(" - ")));
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}
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else
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{
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Args.Add(TEXT("Delim"), FText::FromString(TEXT("\n")));
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}
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// FText::Format() is slow, so we cache this to save on performance
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CachedNodeTitles.SetCachedTitle(TitleType, FText::Format(LOCTEXT("AnimGraphNode_BoneDrivenController_Title", "{ControllerDesc}{Delim}Driving Bone: {SourceBone}{Delim}Driven Bone: {TargetBone}"), Args), this);
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}
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return CachedNodeTitles[TitleType];
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}
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FText UAnimGraphNode_BoneDrivenController::GetControllerDescription() const
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{
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return LOCTEXT("BoneDrivenController", "Bone Driven Controller");
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}
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void UAnimGraphNode_BoneDrivenController::Draw(FPrimitiveDrawInterface* PDI, USkeletalMeshComponent* SkelMeshComp) const
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{
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static const float ArrowHeadWidth = 5.0f;
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static const float ArrowHeadHeight = 8.0f;
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int32 SourceIdx = SkelMeshComp->GetBoneIndex(Node.SourceBone.BoneName);
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int32 TargetIdx = SkelMeshComp->GetBoneIndex(Node.TargetBone.BoneName);
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if(SourceIdx != INDEX_NONE && TargetIdx != INDEX_NONE)
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{
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FTransform SourceTM = SkelMeshComp->GetSpaceBases()[SourceIdx] * SkelMeshComp->ComponentToWorld;
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FTransform TargetTM = SkelMeshComp->GetSpaceBases()[TargetIdx] * SkelMeshComp->ComponentToWorld;
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PDI->DrawLine(TargetTM.GetLocation(), SourceTM.GetLocation(), FLinearColor(0.0f, 0.0f, 1.0f), SDPG_Foreground, 0.5f);
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FVector ToTarget = TargetTM.GetTranslation() - SourceTM.GetTranslation();
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FVector UnitToTarget = ToTarget;
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UnitToTarget.Normalize();
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FVector Midpoint = SourceTM.GetTranslation() + 0.5f * ToTarget + 0.5f * UnitToTarget * ArrowHeadHeight;
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FVector YAxis;
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FVector ZAxis;
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UnitToTarget.FindBestAxisVectors(YAxis, ZAxis);
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FMatrix ArrowMatrix(UnitToTarget, YAxis, ZAxis, Midpoint);
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DrawConnectedArrow(PDI, ArrowMatrix, FLinearColor(0.0f, 1.0f, 0.0), ArrowHeadHeight, ArrowHeadWidth, SDPG_Foreground);
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PDI->DrawPoint(SourceTM.GetTranslation(), FLinearColor(0.8f, 0.8f, 0.2f), 5.0f, SDPG_Foreground);
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PDI->DrawPoint(SourceTM.GetTranslation() + ToTarget, FLinearColor(0.8f, 0.8f, 0.2f), 5.0f, SDPG_Foreground);
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}
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}
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#undef LOCTEXT_NAMESPACE
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