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Mesh Optimizer: sibling StaticMesh duplicate remover (UE 5.7)

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Editor plugin that detects geometrically-identical sibling StaticMeshes across a
level, rebases each placement onto one canonical mesh with a corrected transform
(W' = D * W, verified by exact vertex matching), and can collapse groups into HISM.
Native Slate tool panel + BlueprintCallable UOptimizerSubsystem.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Bonchellon
2026-07-01 18:26:45 +03:00
commit a95b299680
17 changed files with 2172 additions and 0 deletions
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79
Source/OptimizerEditor/Private/OptimizerEditorModule.cpp Normal file
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// Copyright IHY.
#include "OptimizerEditorModule.h"
#include "Modules/ModuleManager.h"
#include "ToolMenus.h"
#include "ToolMenuSection.h"
#include "Framework/Commands/UIAction.h"
#include "Framework/Docking/TabManager.h"
#include "Framework/Application/SlateApplication.h"
#include "Widgets/Docking/SDockTab.h"
#include "Styling/AppStyle.h"
#include "SOptimizerPanel.h"
#define LOCTEXT_NAMESPACE "OptimizerEditor"
namespace { const FName OptimizerTabId(TEXT("MeshOptimizer")); }
IMPLEMENT_MODULE(FOptimizerEditorModule, OptimizerEditor)
void FOptimizerEditorModule::StartupModule()
{
UToolMenus::RegisterStartupCallback(
FSimpleMulticastDelegate::FDelegate::CreateRaw(this, &FOptimizerEditorModule::RegisterMenus));
}
void FOptimizerEditorModule::ShutdownModule()
{
if (bTabRegistered && FSlateApplication::IsInitialized())
{
FGlobalTabmanager::Get()->UnregisterNomadTabSpawner(OptimizerTabId);
bTabRegistered = false;
}
if (UToolMenus::IsToolMenuUIEnabled())
{
UToolMenus::UnRegisterStartupCallback(this);
UToolMenus::UnregisterOwner(this);
}
}
void FOptimizerEditorModule::RegisterMenus()
{
FToolMenuOwnerScoped OwnerScoped(this);
if (!bTabRegistered && FSlateApplication::IsInitialized())
{
FGlobalTabmanager::Get()->RegisterNomadTabSpawner(
OptimizerTabId,
FOnSpawnTab::CreateRaw(this, &FOptimizerEditorModule::SpawnPanelTab))
.SetDisplayName(LOCTEXT("OptimizerTabTitle", "Mesh Optimizer"))
.SetTooltipText(LOCTEXT("OptimizerTabTip", "Find sibling meshes and rebase them onto one canonical mesh (HISM-ready)."))
.SetMenuType(ETabSpawnerMenuType::Hidden);
bTabRegistered = true;
}
if (UToolMenu* ToolsMenu = UToolMenus::Get()->ExtendMenu("LevelEditor.MainMenu.Tools"))
{
FToolMenuSection& Section = ToolsMenu->FindOrAddSection("Optimizer", LOCTEXT("OptimizerSection", "Optimizer"));
Section.AddMenuEntry(
"OpenMeshOptimizer",
LOCTEXT("OpenOptimizer", "Mesh Optimizer"),
LOCTEXT("OpenOptimizerTip", "Find sibling meshes and rebase them onto one canonical mesh (HISM-ready)."),
FSlateIcon(FAppStyle::GetAppStyleSetName(), "Icons.Settings"),
FUIAction(FExecuteAction::CreateLambda([]()
{
FGlobalTabmanager::Get()->TryInvokeTab(OptimizerTabId);
})));
}
}
TSharedRef<SDockTab> FOptimizerEditorModule::SpawnPanelTab(const FSpawnTabArgs& Args)
{
return SNew(SDockTab)
.TabRole(ETabRole::NomadTab)
[
SNew(SOptimizerPanel)
];
}
#undef LOCTEXT_NAMESPACE