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ModelingTools: Add UMultiSelectionMeshEditingTool to hold common interface requirements and functions that pertain to modeling mode MultiSelectionTools. #rb semion.piskarev #rnx #jira none #preflight 619c66d5c3287aab27e12c73 #ROBOMERGE-AUTHOR: lonnie.li #ROBOMERGE-SOURCE: CL 18269697 in //UE5/Release-5.0/... via CL 18269713 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469) [CL 18269717 by lonnie li in ue5-release-engine-test branch]
87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "BaseTools/MultiSelectionMeshEditingTool.h"
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#include "TargetInterfaces/MaterialProvider.h"
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#include "TargetInterfaces/MeshDescriptionCommitter.h"
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#include "TargetInterfaces/MeshDescriptionProvider.h"
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#include "TargetInterfaces/PrimitiveComponentBackedTarget.h"
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#include "TargetInterfaces/AssetBackedTarget.h"
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#include "ToolTargetManager.h"
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/*
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* ToolBuilder
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*/
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const FToolTargetTypeRequirements& UMultiSelectionMeshEditingToolBuilder::GetTargetRequirements() const
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{
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static FToolTargetTypeRequirements TypeRequirements({
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UMaterialProvider::StaticClass(),
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UMeshDescriptionCommitter::StaticClass(),
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UMeshDescriptionProvider::StaticClass(),
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UPrimitiveComponentBackedTarget::StaticClass()
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});
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return TypeRequirements;
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}
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bool UMultiSelectionMeshEditingToolBuilder::CanBuildTool(const FToolBuilderState& SceneState) const
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{
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return SceneState.TargetManager->CountSelectedAndTargetable(SceneState, GetTargetRequirements()) > 0;
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}
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UInteractiveTool* UMultiSelectionMeshEditingToolBuilder::BuildTool(const FToolBuilderState& SceneState) const
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{
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UMultiSelectionMeshEditingTool* NewTool = CreateNewTool(SceneState);
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InitializeNewTool(NewTool, SceneState);
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return NewTool;
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}
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void UMultiSelectionMeshEditingToolBuilder::InitializeNewTool(UMultiSelectionMeshEditingTool* NewTool, const FToolBuilderState& SceneState) const
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{
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const TArray<TObjectPtr<UToolTarget>> Targets = SceneState.TargetManager->BuildAllSelectedTargetable(SceneState, GetTargetRequirements());
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NewTool->SetTargets(Targets);
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NewTool->SetWorld(SceneState.World);
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}
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/**
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* Tool
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*/
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bool UMultiSelectionMeshEditingTool::GetMapToSharedSourceData(TArray<int32>& MapToFirstOccurrences)
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{
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bool bSharesSources = false;
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MapToFirstOccurrences.SetNumUninitialized(Targets.Num());
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for (int32 ComponentIdx = 0; ComponentIdx < Targets.Num(); ComponentIdx++)
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{
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MapToFirstOccurrences[ComponentIdx] = -1;
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}
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for (int32 ComponentIdx = 0; ComponentIdx < Targets.Num(); ComponentIdx++)
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{
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if (MapToFirstOccurrences[ComponentIdx] >= 0) // already mapped
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{
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continue;
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}
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MapToFirstOccurrences[ComponentIdx] = ComponentIdx;
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IAssetBackedTarget* Target = Cast<IAssetBackedTarget>(Targets[ComponentIdx]);
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if (!Target)
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{
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continue;
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}
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for (int32 VsIdx = ComponentIdx + 1; VsIdx < Targets.Num(); VsIdx++)
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{
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IAssetBackedTarget* OtherTarget = Cast<IAssetBackedTarget>(Targets[VsIdx]);
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if (OtherTarget && OtherTarget->GetSourceData() == Target->GetSourceData())
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{
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bSharesSources = true;
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MapToFirstOccurrences[VsIdx] = ComponentIdx;
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}
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}
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}
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return bSharesSources;
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}
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