Files
UnrealEngine/Engine/Plugins/Editor/GeometryMode/Source/BspMode/Private/BspModeModule.cpp
2025-05-18 13:04:45 +08:00

135 lines
5.8 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "BspModeModule.h"
#include "Styling/AppStyle.h"
#include "Builders/ConeBuilder.h"
#include "Builders/CubeBuilder.h"
#include "Builders/CurvedStairBuilder.h"
#include "Builders/CylinderBuilder.h"
#include "Builders/LinearStairBuilder.h"
#include "Builders/SpiralStairBuilder.h"
#include "Builders/TetrahedronBuilder.h"
#include "BspModeStyle.h"
#include "IPlacementModeModule.h"
#include "DragAndDrop/BrushBuilderDragDropOp.h"
#include "BspDragHandler.h"
#include "IPlacementModeModule.h"
#define LOCTEXT_NAMESPACE "BspMode"
FBspBuilderType::FBspBuilderType(
UClass* InBuilderClass,
const FText& InText,
const FText& InToolTipText,
const FSlateBrush* InIcon ):
BuilderClass(InBuilderClass)
, Text(InText)
, ToolTipText(InToolTipText)
, Icon(InIcon)
{
}
void FBspModeModule::StartupModule()
{
FBspModeStyle::Initialize();
CategoryName = "Geometry";
/*
FEditorModeRegistry::Get().RegisterMode<FBspMode>(
FGeometryEditingModes::EM_Bsp,
NSLOCTEXT("GeometryMode", "DisplayName", "Geometry Editing"),
FSlateIcon(FAppStyle::GetAppStyleSetName(), "LevelEditor.BspMode", "LevelEditor.BspMode.Small"),
false, // Visible
100 // UI priority order
);
*/
FPlacementCategoryInfo CategoryInfo (LOCTEXT("PlacementMode_Geometry", "Geometry"), FSlateIcon(FAppStyle::GetAppStyleSetName(), "PlacementBrowser.Icons.BSP"), CategoryName, TEXT("PMGeometry"), 35);
IPlacementModeModule::Get().RegisterPlacementCategory( CategoryInfo );
RegisterBspBuilderType(UCubeBuilder::StaticClass(), LOCTEXT("CubeBuilderName", "Box"), LOCTEXT("CubeBuilderToolTip", "Make a box brush"), FBspModeStyle::Get().GetBrush(TEXT("BspMode.BoxBrush")));
RegisterBspBuilderType(UConeBuilder::StaticClass(), LOCTEXT("ConeBuilderName", "Cone"), LOCTEXT("ConeBuilderToolTip", "Make a cone brush"), FBspModeStyle::Get().GetBrush(TEXT("BspMode.ConeBrush")));
RegisterBspBuilderType(UCylinderBuilder::StaticClass(), LOCTEXT("CylinderBuilderName", "Cylinder"), LOCTEXT("CylinderBuilderToolTip", "Make a cylinder brush"), FBspModeStyle::Get().GetBrush(TEXT("BspMode.CylinderBrush")));
RegisterBspBuilderType(UCurvedStairBuilder::StaticClass(), LOCTEXT("CurvedStairBuilderName", "Curved Stair"), LOCTEXT("CurvedStairBuilderToolTip", "Make a curved stair brush"), FBspModeStyle::Get().GetBrush(TEXT("BspMode.CurvedStairBrush")));
RegisterBspBuilderType(ULinearStairBuilder::StaticClass(), LOCTEXT("LinearStairBuilderName", "Linear Stair"), LOCTEXT("LinearStairBuilderToolTip", "Make a linear stair brush"), FBspModeStyle::Get().GetBrush(TEXT("BspMode.LinearStairBrush")));
RegisterBspBuilderType(USpiralStairBuilder::StaticClass(), LOCTEXT("SpiralStairBuilderName", "Spiral Stair"), LOCTEXT("SpiralStairBuilderToolTip", "Make a spiral stair brush"), FBspModeStyle::Get().GetBrush(TEXT("BspMode.SpiralStairBrush")));
RegisterBspBuilderType(UTetrahedronBuilder::StaticClass(), LOCTEXT("SphereBuilderName", "Sphere"), LOCTEXT("SphereBuilderToolTip", "Make a sphere brush"), FBspModeStyle::Get().GetBrush(TEXT("BspMode.SphereBrush")));
}
void FBspModeModule::ShutdownModule()
{
IPlacementModeModule::Get().UnregisterPlacementCategory( CategoryName );
UnregisterBspBuilderType(UCubeBuilder::StaticClass());
UnregisterBspBuilderType(UConeBuilder::StaticClass());
UnregisterBspBuilderType(UCylinderBuilder::StaticClass());
UnregisterBspBuilderType(UCurvedStairBuilder::StaticClass());
UnregisterBspBuilderType(ULinearStairBuilder::StaticClass());
UnregisterBspBuilderType(USpiralStairBuilder::StaticClass());
UnregisterBspBuilderType(UTetrahedronBuilder::StaticClass());
BspBuilderTypes.Empty();
}
void FBspModeModule::RegisterBspBuilderType( class UClass* InBuilderClass, const FText& InBuilderName, const FText& InBuilderTooltip, const FSlateBrush* InBuilderIcon )
{
check(InBuilderClass->IsChildOf(UBrushBuilder::StaticClass()));
const TSharedPtr<FBspBuilderType> BuilderType = MakeShareable(new FBspBuilderType(InBuilderClass, InBuilderName, InBuilderTooltip, InBuilderIcon));
BspBuilderTypes.Add( BuilderType );
const TSharedPtr<FBspDragHandler> Handler = MakeShared<FBspDragHandler>();
Handler->Initialize( BuilderType.ToSharedRef() );
const FString Name = "BSP_" + BuilderType->Text.ToString();
static int32 SortOrder = 0;
BuilderType->PlaceableItem = MakeShared<FPlaceableItem>( Handler, SortOrder++, BuilderType->Text, Name );
BuilderType->PlacementModeID = IPlacementModeModule::Get().RegisterPlaceableItem( CategoryName, BuilderType->PlaceableItem.ToSharedRef() );
}
void FBspModeModule::UnregisterBspBuilderType( class UClass* InBuilderClass )
{
for ( TSharedPtr<FBspBuilderType> BuilderType : BspBuilderTypes )
{
if ( BuilderType.IsValid() && BuilderType->PlaceableItem.IsValid() )
{
if ( BuilderType->PlacementModeID.IsSet() )
{
IPlacementModeModule::Get().UnregisterPlaceableItem( BuilderType->PlacementModeID.GetValue() );
}
}
}
// If UObject system is not intialized the blow code can not run because it creates weak object pointers which crashes
// the internal UObject array.
if (UObjectInitialized())
{
BspBuilderTypes.RemoveAll(
[InBuilderClass](const TSharedPtr<FBspBuilderType>& RemovalCandidate) -> bool
{
return (RemovalCandidate->BuilderClass == InBuilderClass);
}
);
}
}
const TArray< TSharedPtr<FBspBuilderType> >& FBspModeModule::GetBspBuilderTypes()
{
return BspBuilderTypes;
}
TSharedPtr<FBspBuilderType> FBspModeModule::FindBspBuilderType(UClass* InBuilderClass) const
{
const TSharedPtr<FBspBuilderType>* FoundBuilder = BspBuilderTypes.FindByPredicate(
[InBuilderClass] ( const TSharedPtr<FBspBuilderType>& FindCandidate ) -> bool
{
return (FindCandidate->BuilderClass == InBuilderClass);
}
);
return FoundBuilder != nullptr ? *FoundBuilder : TSharedPtr<FBspBuilderType>();
}
IMPLEMENT_MODULE( FBspModeModule, BspMode );
#undef LOCTEXT_NAMESPACE