HAxis sos

Plugins/SkillTree/Source/SkillTree/Classes/DynamicHexMap.h

@@ -0,0 +1,42 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// A Hexagon Map with variable width and height.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "Engine/EngineTypes.h"
+#include "HexMap.h"
+#include "DynamicHexMap.generated.h"
+
+USTRUCT()
+struct FDynamicHexMap : public FHexMap
+{
+	GENERATED_BODY()
+protected:
+	//Returns true if x and y are valid positions on the hex map.
+	virtual bool IsPointValid( int32 a_x, int32 a_y ) override
+	{
+		bool result = !( a_x < 0 || a_x >= width || a_y < 0 || a_y >= height );
+		if ( result && IsOdd( a_x ) )
+			result = ( a_y < ( 15 ) );
+		return result;
+	}
+public:
+	UPROPERTY( Category = Skill, EditAnywhere, meta = ( ClampMin = "1", ClampMax = "13", UIMin = "1", UIMax = "13" ) )
+	int32 width = 13;
+	UPROPERTY( Category = Skill, EditAnywhere, meta = ( ClampMin = "2", ClampMax = "16", UIMin = "2", UIMax = "16" ) )
+	int32 height = 16;
+
+	FDynamicHexMap()
+	{}
+
+	FDynamicHexMap( FDynamicHexMap& a_v )
+	{
+		for ( int i = 0; i < 13; i++ ) rawdata[i] = a_v.rawdata[i];
+		width = a_v.width;
+		height = a_v.height;
+	}
+};

Plugins/SkillTree/Source/SkillTree/Classes/HexMap.h

@@ -0,0 +1,80 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// A Map of Hexagons with a static width and height.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "Engine/EngineTypes.h"
+#include "HexMap.generated.h"
+
+USTRUCT()
+struct FHexMap
+{
+	GENERATED_BODY()
+protected:
+	//Get bit at position.
+	bool GetBit( uint16 a_byte, int32 a_pos )
+	{
+		return ( a_byte >> a_pos ) & 0x1;
+	}
+	//Set bit at position.
+	uint16 SetBit( uint16 a_byte, int32 a_pos, bool a_bit )
+	{
+		if ( a_bit )
+			a_byte |= 1 << a_pos;
+		else
+			a_byte &= ~( 1 << a_pos );
+		return a_byte;
+	}
+	//True if i is odd.
+	bool IsOdd( uint16 a_i )
+	{
+		return ( a_i % 2 != 0 );
+	}
+
+	//Returns true if x and y are valid positions on the map.
+	virtual bool IsPointValid( int32 a_x, int32 a_y )
+	{
+		bool result = !( a_x < 0 || a_x >= 13 || a_y < 0 || a_y >= 16 );
+		if ( result && IsOdd( a_x ) )
+			result = ( a_y < ( 15 ) );
+		return result;
+	}
+public:
+	UPROPERTY()
+	uint16 rawdata[13];
+
+	//Get the state of a hex at given position. Returns false if position is not valid.
+	bool Get( int32 a_x, int32 a_y )
+	{
+		if ( !IsPointValid( a_x, a_y ) ) return false;
+		return GetBit( rawdata[a_x], a_y );
+	}
+	//Set the state of a hex at given position.
+	void Set( int32 a_x, int32 a_y, bool a_v )
+	{
+		if ( !IsPointValid( a_x, a_y ) ) return;
+		rawdata[a_x] = SetBit( rawdata[a_x], a_y, a_v );
+	}
+	//Invert the state of a hex at a given position.
+	void Invert( int32 a_x, int32 a_y )
+	{
+		if ( !IsPointValid( a_x, a_y ) ) return;
+		unsigned short mask = 1 << a_y;
+		rawdata[a_x] ^= mask;
+	}
+
+	FHexMap()
+	{}
+
+	FHexMap( FHexMap& a_v )
+	{
+		for ( int i = 0; i < 13; i++ ) rawdata[i] = a_v.rawdata[i];
+	}
+
+	virtual ~FHexMap() {}
+
+};

Plugins/SkillTree/Source/SkillTree/Classes/SkillObject.h

@@ -0,0 +1,28 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The base Skill Object.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "Engine/EngineTypes.h"
+#include "DynamicHexMap.h"
+#include "SkillObject.generated.h"
+
+class USkillTreeObject;
+
+UCLASS( BlueprintType, meta = (DisplayThumbnail = "true") )
+class SKILLTREE_API USkillObject : public UObject
+{
+	GENERATED_BODY()	
+public:
+	//A Dynamic Map of Hexagons.
+	UPROPERTY( Category = Skill, EditAnywhere )
+	FDynamicHexMap hexMap;
+
+	//Pointer to the parent Skill Tree.
+	UPROPERTY()
+	USkillTreeObject* skillTree;
+};

Plugins/SkillTree/Source/SkillTree/Classes/SkillTreeObject.h

@@ -0,0 +1,25 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The base Skill Tree Object.
+//////////////////////////////////////////
+
+
+#pragma once
+
+#include "Engine/EngineTypes.h"
+#include "HexMap.h"
+#include "SkillTreeObject.generated.h"
+
+UCLASS( BlueprintType, meta = (DisplayThumbnail = "true") )
+class SKILLTREE_API USkillTreeObject : public UObject
+{
+	GENERATED_BODY()
+public:
+	UPROPERTY()
+	FHexMap hexMap;
+
+	UPROPERTY( Category = SkillTree, EditAnywhere, AssetRegistrySearchable )
+	TArray<TSubclassOf<class USkillObject>> skills;
+};

Plugins/SkillTree/Source/SkillTree/Private/SkillObject.cpp

@@ -0,0 +1,7 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreePrivatePCH.h"
+#include "../Classes/SkillObject.h"

Plugins/SkillTree/Source/SkillTree/Private/SkillTree.cpp

@@ -0,0 +1,32 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreePrivatePCH.h"
+
+#define LOCTEXT_NAMESPACE "SkillTree" 
+
+class FSkillTree : public ISkillTree
+{
+public:
+	/* IModuleInterface implementation */
+	virtual void StartupModule() override;
+	virtual void ShutdownModule() override;
+	/* End IModuleInterface implementation */
+};
+
+void FSkillTree::StartupModule()
+{
+	// This code will execute after the module is loaded into memory (but after global variables are initialized, of course.)
+}
+
+void FSkillTree::ShutdownModule()
+{
+	// This function may be called during shutdown to clean up the module. For modules that support dynamic reloading,
+	// this function gets called before unloading the module.
+}
+
+IMPLEMENT_MODULE( FSkillTree, SkillTree )
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTree/Private/SkillTreeObject.cpp

@@ -0,0 +1,8 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreePrivatePCH.h"
+#include "../Classes/SkillTreeObject.h"
+

Plugins/SkillTree/Source/SkillTree/Private/SkillTreePrivatePCH.h

@@ -0,0 +1,11 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The Skill Tree Module Pre Compiled Header.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "ISkillTree.h"
+

Plugins/SkillTree/Source/SkillTree/Public/ISkillTree.h

@@ -0,0 +1,27 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The Skill Tree Runtime Module Interface.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "ModuleManager.h"
+
+class ISkillTree : public IModuleInterface
+{
+public:
+	//Function to Get the Singleton of this Module if it's loaded.
+	static inline ISkillTree& Get()
+	{
+		return FModuleManager::LoadModuleChecked< ISkillTree >( "SkillTree" );
+	}
+
+	//Function to check if the Module is loaded.
+	static inline bool IsAvailable()
+	{
+		return FModuleManager::Get().IsModuleLoaded( "SkillTree" );
+	}
+};
+

Plugins/SkillTree/Source/SkillTree/SkillTree.Build.cs

@@ -0,0 +1,34 @@
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The Skill Tree Runtime Module Settings.
+//////////////////////////////////////////
+
+namespace UnrealBuildTool.Rules
+{
+	public class SkillTree : ModuleRules
+	{
+		public SkillTree(TargetInfo Target)
+		{
+			PublicDependencyModuleNames.AddRange(
+				new string[] {
+					"Core",
+					"CoreUObject",
+					"Engine"
+				}
+			);
+
+			PrivateDependencyModuleNames.AddRange(
+				new string[] {
+					"Slate",
+					"Renderer",
+				}
+			);
+
+			if (UEBuildConfiguration.bBuildEditor == true)
+			{
+				PrivateDependencyModuleNames.Add("UnrealEd");
+			}
+		}
+	}
+}

Plugins/SkillTree/Source/SkillTreeEditor/Classes/SkillFactory.h

@@ -0,0 +1,21 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// Factory for making a Skill asset.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "SkillFactory.generated.h"
+
+UCLASS()
+class USkillFactory : public UFactory
+{
+	GENERATED_UCLASS_BODY()
+public:
+
+	// UFactory interface
+	virtual UObject* FactoryCreateNew( UClass* Class, UObject* InParent, FName Name, EObjectFlags Flags, UObject* Context, FFeedbackContext* Warn ) override;
+	// End of UFactory interface
+};

Plugins/SkillTree/Source/SkillTreeEditor/Classes/SkillTreeFactory.h

@@ -0,0 +1,21 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// Factory for making a Skill Tree asset.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "SkillTreeFactory.generated.h"
+
+UCLASS()
+class USkillTreeFactory : public UFactory
+{
+	GENERATED_UCLASS_BODY()
+
+public:
+	// UFactory interface
+	virtual UObject* FactoryCreateNew( UClass* a_class, UObject* a_parent, FName a_name, EObjectFlags a_flags, UObject* a_context, FFeedbackContext* a_warn ) override;
+	// End of UFactory interface
+};

Plugins/SkillTree/Source/SkillTreeEditor/Private/SSkillTreeEditorViewportToolbar.cpp

@@ -0,0 +1,33 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "SSkillTreeEditorViewportToolbar.h"
+#include "SkillTreeEditorCommands.h"
+#include "SEditorViewport.h"
+
+#define LOCTEXT_NAMESPACE "SSkillTreeEditorViewportToolbar"
+
+void SSkillTreeEditorViewportToolbar::Construct( const FArguments& a_args, TSharedPtr<class ICommonEditorViewportToolbarInfoProvider> a_infoProvider )
+{
+	SCommonEditorViewportToolbarBase::Construct( SCommonEditorViewportToolbarBase::FArguments(), a_infoProvider );
+}
+
+TSharedRef<SWidget> SSkillTreeEditorViewportToolbar::GenerateShowMenu() const
+{
+	GetInfoProvider().OnFloatingButtonClicked();
+
+	TSharedRef<SEditorViewport> viewportRef = GetInfoProvider().GetViewportWidget();
+
+	const bool shouldCloseWindowAfterMenuSelection = true;
+	FMenuBuilder showMenuBuilder( shouldCloseWindowAfterMenuSelection, viewportRef->GetCommandList() );
+	{
+		showMenuBuilder.AddMenuEntry( FSkillTreeEditorCommands::Get().setShowGrid );
+	}
+
+	return showMenuBuilder.MakeWidget();
+}
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTreeEditor/Private/SSkillTreeEditorViewportToolbar.h

@@ -0,0 +1,23 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// In-viewport toolbar widgets used in the Skill Tree Editor.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "SCommonEditorViewportToolbarBase.h"
+
+class SSkillTreeEditorViewportToolbar : public SCommonEditorViewportToolbarBase
+{
+public:
+	SLATE_BEGIN_ARGS( SSkillTreeEditorViewportToolbar ) {}
+	SLATE_END_ARGS()
+
+	void Construct( const FArguments& a_args, TSharedPtr<class ICommonEditorViewportToolbarInfoProvider> a_infoProvider );
+
+	// SCommonEditorViewportToolbarBase interface
+	virtual TSharedRef<SWidget> GenerateShowMenu() const override;
+	// End of SCommonEditorViewportToolbarBase
+};

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillAsset.cpp

@@ -0,0 +1,63 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "SkillAsset.h"
+#include "AssetToolsModule.h"
+#include "Classes/SkillObject.h"
+#include "Classes/SkillTreeObject.h"
+#include "SkillTreeEditorViewport.h"
+
+#define LOCTEXT_NAMESPACE "AssetTypeActions"
+
+FSkillAsset::FSkillAsset( EAssetTypeCategories::Type a_assetCategory )
+	: m_assetCategory( a_assetCategory )
+{
+}
+
+//Gets the name of the asset.
+FText FSkillAsset::GetName() const
+{
+	return LOCTEXT( "FSkillName", "Skill" );
+}
+
+//Gets the type color of the asset.
+FColor FSkillAsset::GetTypeColor() const
+{
+	return FColor::Cyan;
+}
+
+//Gets a pointer to the class this asset implements.
+UClass* FSkillAsset::GetSupportedClass() const
+{
+	return USkillObject::StaticClass();
+}
+
+//Gets the category of this asset.
+uint32 FSkillAsset::GetCategories()
+{
+	return m_assetCategory;
+}
+
+//Opens an editor with this asset.
+void FSkillAsset::OpenAssetEditor( const TArray<UObject*>& a_objects, TSharedPtr<class IToolkitHost> a_editWithinLevelEditor )
+{
+	const EToolkitMode::Type mode = a_editWithinLevelEditor.IsValid() ? EToolkitMode::WorldCentric : EToolkitMode::Standalone;
+
+	for ( auto i = a_objects.CreateConstIterator(); i; ++i )
+	{
+		if ( USkillObject* skill = Cast<USkillObject>( *i ) )
+		{
+			USkillTreeObject* skillTree = skill->skillTree;
+			if( skillTree != NULL )
+			{
+				TSharedRef<FSkillTreeEditorViewport> newSkillTreeEditor( new FSkillTreeEditorViewport() );
+				newSkillTreeEditor->InitSkillTreeEditor( mode, a_editWithinLevelEditor, skillTree, skill );
+			}
+		}
+	}
+};
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillAsset.h

@@ -0,0 +1,29 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// Skill asset class for adding extra
+// functionality to the Skill asset.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "EditorStyle.h"
+#include "AssetTypeActions_Base.h"
+
+class FSkillAsset : public FAssetTypeActions_Base
+{
+public:
+	FSkillAsset( EAssetTypeCategories::Type a_assetCategory );
+
+	// IAssetTypeActions interface
+	virtual FText GetName() const override;
+	virtual FColor GetTypeColor() const override;
+	virtual UClass* GetSupportedClass() const override;
+	virtual void OpenAssetEditor( const TArray<UObject*>& a_objects, TSharedPtr<class IToolkitHost> a_editWithinLevelEditor = TSharedPtr<IToolkitHost>() ) override;
+	virtual uint32 GetCategories() override;
+	// End of IAssetTypeActions interface
+
+private:
+	EAssetTypeCategories::Type m_assetCategory;
+};

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillFactory.cpp

@@ -0,0 +1,29 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "SkillFactory.h"
+#include "SkillObject.h"
+#include "AssetRegistryModule.h"
+#include "PackageTools.h"
+
+#define LOCTEXT_NAMESPACE "SkillTree"
+
+USkillFactory::USkillFactory( const FObjectInitializer& ObjectInitializer )
+	: Super( ObjectInitializer )
+{
+	bCreateNew = true;
+	bEditAfterNew = true;
+	SupportedClass = USkillObject::StaticClass();
+}
+
+UObject* USkillFactory::FactoryCreateNew( UClass* a_class, UObject* a_parent, FName a_name, EObjectFlags a_flags, UObject* a_context, FFeedbackContext* a_warn )
+{
+	USkillObject* newSkill = NewObject<USkillObject>( a_parent, a_class, a_name, a_flags | RF_Transactional );
+
+	return newSkill;
+}
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeAsset.cpp

@@ -0,0 +1,58 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "SkillTreeAsset.h"
+#include "AssetToolsModule.h"
+#include "Classes/SkillTreeObject.h"
+#include "SkillTreeEditorViewport.h"
+
+#define LOCTEXT_NAMESPACE "AssetTypeActions"
+
+FSkillTreeAsset::FSkillTreeAsset( EAssetTypeCategories::Type a_assetCategory )
+	: m_assetCategory( a_assetCategory )
+{
+}
+
+//Gets the name of the asset.
+FText FSkillTreeAsset::GetName() const
+{
+	return LOCTEXT( "FSkillTreeName", "Skill Tree" );
+}
+
+//Gets the type color of the asset.
+FColor FSkillTreeAsset::GetTypeColor() const
+{
+	return FColor::Cyan;
+}
+
+//Gets a pointer to the class this asset implements.
+UClass* FSkillTreeAsset::GetSupportedClass() const
+{
+	return USkillTreeObject::StaticClass();
+}
+
+//Gets the category of this asset.
+uint32 FSkillTreeAsset::GetCategories()
+{
+	return m_assetCategory;
+}
+
+//Opens an editor with this asset.
+void FSkillTreeAsset::OpenAssetEditor( const TArray<UObject*>& a_objects, TSharedPtr<class IToolkitHost> a_editWithinLevelEditor )
+{
+	const EToolkitMode::Type mode = a_editWithinLevelEditor.IsValid() ? EToolkitMode::WorldCentric : EToolkitMode::Standalone;
+
+	for ( auto i = a_objects.CreateConstIterator(); i; ++i )
+	{
+		if ( USkillTreeObject* skillTree = Cast<USkillTreeObject>( *i ) )
+		{
+			TSharedRef<FSkillTreeEditorViewport> newSkillTreeEditor( new FSkillTreeEditorViewport() );
+			newSkillTreeEditor->InitSkillTreeEditor( mode, a_editWithinLevelEditor, skillTree );
+		}
+	}
+};
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeAsset.h

@@ -0,0 +1,29 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// Skill Tree asset class for adding extra
+// functionality to the Skill Tree asset.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "EditorStyle.h"
+#include "AssetTypeActions_Base.h"
+
+class FSkillTreeAsset : public FAssetTypeActions_Base
+{
+public:
+	FSkillTreeAsset( EAssetTypeCategories::Type a_assetCategory );
+
+	// IAssetTypeActions interface
+	virtual FText GetName() const override;
+	virtual FColor GetTypeColor() const override;
+	virtual UClass* GetSupportedClass() const override;
+	virtual void OpenAssetEditor( const TArray<UObject*>& a_objects, TSharedPtr<class IToolkitHost> a_editWithinLevelEditor = TSharedPtr<IToolkitHost>() ) override;
+	virtual uint32 GetCategories() override;
+	// End of IAssetTypeActions interface
+
+private:
+	EAssetTypeCategories::Type m_assetCategory;
+};

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeDetailsCustomization.cpp

@@ -0,0 +1,147 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "SkillTreeDetailsCustomization.h"
+#include "PhysicsEngine/BodySetup.h"
+#include "Editor/Documentation/Public/IDocumentation.h"
+#include "PropertyRestriction.h"
+#include "PropertyCustomizationHelpers.h"
+#include "SkillTreeObject.h"
+#include "SkillObject.h"
+
+#define LOCTEXT_NAMESPACE "SkillTreeEditor"
+
+/////////////////////////////////////////////////////
+// FSkillTreeDetailsCustomization
+
+// Makes a new instance of this detail layout class for a specific detail view requesting it.
+TSharedRef<IDetailCustomization> FSkillTreeDetailsCustomization::MakeInstance()
+{
+	return MakeInstanceForSkillTreeEditor( );
+}
+
+// Makes a new instance of this detail layout class for a specific detail view requesting it.
+TSharedRef<IDetailCustomization> FSkillTreeDetailsCustomization::MakeInstanceForSkillTreeEditor( )
+{
+	return MakeShareable( new FSkillTreeDetailsCustomization( ) );
+}
+
+FSkillTreeDetailsCustomization::FSkillTreeDetailsCustomization( )
+{
+}
+
+FDetailWidgetRow& FSkillTreeDetailsCustomization::GenerateWarningRow( IDetailCategoryBuilder& a_warningCategory, bool a_experimental, const FText& a_warningText, const FText& a_tooltip, const FString& a_excerptLink, const FString& a_excerptName )
+{
+	const FText searchString = a_warningText;
+	const FSlateBrush* warningIcon = FEditorStyle::GetBrush( a_experimental ? "PropertyEditor.ExperimentalClass" : "PropertyEditor.EarlyAccessClass" );
+
+	FDetailWidgetRow& warningRow = a_warningCategory.AddCustomRow( searchString )
+		.WholeRowContent()
+		[
+			SNew( SHorizontalBox )
+			.ToolTip( IDocumentation::Get()->CreateToolTip( a_tooltip, nullptr, a_excerptLink, a_excerptName ) )
+			.Visibility( EVisibility::Visible )
+
+			+ SHorizontalBox::Slot()
+			.VAlign( VAlign_Center )
+			.AutoWidth()
+			.Padding( 4.0f, 0.0f, 0.0f, 0.0f )
+			[SNew( SImage )
+			.Image( warningIcon )
+			]
+
+			+ SHorizontalBox::Slot()
+				.VAlign( VAlign_Center )
+				.AutoWidth()
+				.Padding( 4.0f, 0.0f, 0.0f, 0.0f )
+				[
+					SNew( STextBlock )
+					.Text( a_warningText )
+					.Font( IDetailLayoutBuilder::GetDetailFont() )
+				]
+		];
+
+	return warningRow;
+}
+
+void FSkillTreeDetailsCustomization::CustomizeDetails( IDetailLayoutBuilder& a_detailLayout )
+{
+	IDetailCategoryBuilder& skillTreeCategory = a_detailLayout.EditCategory( "SkillTree", FText::GetEmpty(), ECategoryPriority::Important );
+	BuildSkillTreeSection( skillTreeCategory, a_detailLayout );
+}
+
+// Makes sure Skill Tree properties are near the top.
+void FSkillTreeDetailsCustomization::BuildSkillTreeSection( IDetailCategoryBuilder& a_skillTreeCategory, IDetailLayoutBuilder& a_detailLayout )
+{
+	a_skillTreeCategory.AddProperty( GET_MEMBER_NAME_CHECKED( USkillTreeObject, skills ) );
+}
+
+/////////////////////////////////////////////////////
+// FSkillDetailsCustomization
+
+// Makes a new instance of this detail layout class for a specific detail view requesting it.
+TSharedRef<IDetailCustomization> FSkillDetailsCustomization::MakeInstance()
+{
+	return MakeInstanceForSkillTreeEditor( );
+}
+
+// Makes a new instance of this detail layout class for a specific detail view requesting it.
+TSharedRef<IDetailCustomization> FSkillDetailsCustomization::MakeInstanceForSkillTreeEditor( )
+{
+	return MakeShareable( new FSkillDetailsCustomization( ) );
+}
+
+FSkillDetailsCustomization::FSkillDetailsCustomization( )
+{
+}
+
+FDetailWidgetRow& FSkillDetailsCustomization::GenerateWarningRow( IDetailCategoryBuilder& a_warningCategory, bool a_experimental, const FText& a_warningText, const FText& a_tooltip, const FString& a_excerptLink, const FString& a_excerptName )
+{
+	const FText searchString = a_warningText;
+	const FSlateBrush* warningIcon = FEditorStyle::GetBrush( a_experimental ? "PropertyEditor.ExperimentalClass" : "PropertyEditor.EarlyAccessClass" );
+
+	FDetailWidgetRow& warningRow = a_warningCategory.AddCustomRow( searchString )
+		.WholeRowContent()
+		[
+			SNew( SHorizontalBox )
+			.ToolTip( IDocumentation::Get()->CreateToolTip( a_tooltip, nullptr, a_excerptLink, a_excerptName ) )
+			.Visibility( EVisibility::Visible )
+
+			+ SHorizontalBox::Slot()
+			.VAlign( VAlign_Center )
+			.AutoWidth()
+			.Padding( 4.0f, 0.0f, 0.0f, 0.0f )
+			[SNew( SImage )
+			.Image( warningIcon )
+			]
+
+			+ SHorizontalBox::Slot()
+				.VAlign( VAlign_Center )
+				.AutoWidth()
+				.Padding( 4.0f, 0.0f, 0.0f, 0.0f )
+				[
+					SNew( STextBlock )
+					.Text( a_warningText )
+					.Font( IDetailLayoutBuilder::GetDetailFont() )
+				]
+		];
+
+	return warningRow;
+}
+
+void FSkillDetailsCustomization::CustomizeDetails( IDetailLayoutBuilder& a_detailLayout )
+{
+	IDetailCategoryBuilder& skillCategory = a_detailLayout.EditCategory( "Skill", FText::GetEmpty(), ECategoryPriority::Important );
+	BuildSkillSection( skillCategory, a_detailLayout );
+}
+
+// Makes sure Skill properties are near the top.
+void FSkillDetailsCustomization::BuildSkillSection( IDetailCategoryBuilder& a_skillCategory, IDetailLayoutBuilder& a_detailLayout )
+{
+	a_skillCategory.AddProperty( GET_MEMBER_NAME_CHECKED( USkillObject, hexMap ) );
+}
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeDetailsCustomization.h

@@ -0,0 +1,55 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+
+#pragma once
+
+#include "PropertyEditing.h"
+#include "SkillTreeEditorViewportClient.h"
+
+//////////////////////////////////////////
+// The Skill Tree Details viewport.
+//////////////////////////////////////////
+class FSkillTreeDetailsCustomization : public IDetailCustomization
+{
+public:
+	static TSharedRef<IDetailCustomization> MakeInstance();
+
+	static TSharedRef<IDetailCustomization> MakeInstanceForSkillTreeEditor( );
+
+	// IDetailCustomization interface
+	virtual void CustomizeDetails( IDetailLayoutBuilder& DetailLayout ) override;
+	// End of IDetailCustomization interface
+
+protected:
+	FSkillTreeDetailsCustomization( );
+
+	static FDetailWidgetRow& GenerateWarningRow( IDetailCategoryBuilder& a_warningCategory, bool a_experimental, const FText& a_warningText, const FText& a_tooltip, const FString& a_excerptLink, const FString& a_excerptName );
+
+	void BuildSkillTreeSection( IDetailCategoryBuilder& a_skillTreeCategory, IDetailLayoutBuilder& a_detailLayout );
+};
+
+//////////////////////////////////////////
+// The Skill Details viewport.
+//////////////////////////////////////////
+class FSkillDetailsCustomization : public IDetailCustomization
+{
+public:
+	static TSharedRef<IDetailCustomization> MakeInstance();
+
+	static TSharedRef<IDetailCustomization> MakeInstanceForSkillTreeEditor( );
+
+	// IDetailCustomization interface
+	virtual void CustomizeDetails( IDetailLayoutBuilder& DetailLayout ) override;
+	// End of IDetailCustomization interface
+
+protected:
+	FSkillDetailsCustomization( );
+
+	static FDetailWidgetRow& GenerateWarningRow( IDetailCategoryBuilder& a_warningCategory, bool a_experimental, const FText& a_warningText, const FText& a_tooltip, const FString& a_excerptLink, const FString& a_excerptName );
+
+	void BuildSkillSection( IDetailCategoryBuilder& a_skillCategory, IDetailLayoutBuilder& a_detailLayout );
+};
+

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeEditMode.cpp

@@ -0,0 +1,9 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "SkillTreeEditMode.h"
+
+const FEditorModeID FSkillTreeEditMode::EM_skillTree( TEXT( "SkillTreeEditMode" ) );

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeEditMode.h

@@ -0,0 +1,20 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The Skill Tree Editor mode class.
+//////////////////////////////////////////
+
+#include "UnrealEd.h" 
+#include "EditorModeRegistry.h"
+
+#pragma once
+
+class FSkillTreeEditMode : public FEdMode
+{
+public:
+	//The ID of the Skill Tree Editor.
+	static const FEditorModeID EM_skillTree;
+public:
+	FSkillTreeEditMode(){};
+};

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeEditor.cpp

@@ -0,0 +1,72 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "AssetToolsModule.h"
+#include "ModuleManager.h"
+#include "SkillTreeAsset.h"
+#include "SkillAsset.h"
+#include "SkillTreeEditMode.h"
+#include "SkillTreeEditorCommands.h"
+
+#define LOCTEXT_NAMESPACE "SkillTreeEditor" 
+
+EAssetTypeCategories::Type skillTreeAssetCategoryBit;
+
+class FSkillTreeEditor : public ISkillTreeEditor
+{
+public:
+	/** IModuleInterface implementation */
+	virtual void StartupModule() override;
+	virtual void ShutdownModule() override;
+
+	void RegisterAssetTypeAction( IAssetTools& a_assetTools, TSharedRef<IAssetTypeActions> a_action );
+private:
+	TArray< TSharedPtr<IAssetTypeActions> > m_createdAssetTypeActions;
+};
+
+
+void FSkillTreeEditor::RegisterAssetTypeAction( IAssetTools& a_assetTools, TSharedRef<IAssetTypeActions> a_action )
+{
+	a_assetTools.RegisterAssetTypeActions( a_action );
+	m_createdAssetTypeActions.Add( a_action );
+}
+
+void FSkillTreeEditor::StartupModule()
+{
+	FSkillTreeEditorCommands::Register();
+
+	IAssetTools& assetTools = FModuleManager::LoadModuleChecked<FAssetToolsModule>( "AssetTools" ).Get();
+
+	//Register the category of the assets.
+	skillTreeAssetCategoryBit = assetTools.RegisterAdvancedAssetCategory( FName( TEXT( "SkillTree" ) ), LOCTEXT( "SkillTreeAssetCategory", "Skill Tree" ) );
+
+	//Register the asset to the category.
+	RegisterAssetTypeAction( assetTools, MakeShareable( new FSkillTreeAsset( skillTreeAssetCategoryBit ) ) );
+
+	FEditorModeRegistry::Get().RegisterMode<FSkillTreeEditMode>( FSkillTreeEditMode::EM_skillTree, LOCTEXT( "SkillTreeEditMode", "Skill Tree Editor" ),	FSlateIcon(), false );
+}
+
+void FSkillTreeEditor::ShutdownModule()
+{
+	FEditorModeRegistry::Get().UnregisterMode( FSkillTreeEditMode::EM_skillTree );
+
+	//Unregister all the assets.
+	if ( FModuleManager::Get().IsModuleLoaded( "AssetTools" ) )
+	{
+		IAssetTools& AssetTools = FModuleManager::GetModuleChecked<FAssetToolsModule>( "AssetTools" ).Get();
+		for ( int32 i = 0; i < m_createdAssetTypeActions.Num(); ++i )
+		{
+			AssetTools.UnregisterAssetTypeActions( m_createdAssetTypeActions[i].ToSharedRef() );
+		}
+	}
+	m_createdAssetTypeActions.Empty();
+
+	FSkillTreeEditorCommands::Unregister();
+}
+
+IMPLEMENT_MODULE( FSkillTreeEditor, SkillTreeEditor )
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeEditorCommands.cpp

@@ -0,0 +1,20 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "SkillTreeEditorCommands.h"
+
+#define LOCTEXT_NAMESPACE ""
+
+void FSkillTreeEditorCommands::RegisterCommands()
+{
+	// Show toggles
+	UI_COMMAND( setShowGrid, "Grid", "Displays the viewport grid.", EUserInterfaceActionType::ToggleButton, FInputChord() );
+
+	// Editing modes
+	UI_COMMAND( enterViewMode, "View", "View the sprite.", EUserInterfaceActionType::ToggleButton, FInputChord() );
+}
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeEditorCommands.h

@@ -0,0 +1,30 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The Skill Tree Editor commands class.
+//////////////////////////////////////////
+
+#pragma once
+
+class FSkillTreeEditorCommands : public TCommands<FSkillTreeEditorCommands>
+{
+public:
+	FSkillTreeEditorCommands()
+		: TCommands<FSkillTreeEditorCommands>(
+		TEXT( "SkillTreeEditor" ),
+		NSLOCTEXT( "Contexts", "SkillTreeEditor", "Skill Tree Editor" ),
+		NAME_None,
+		FName(TEXT("null"))
+		)
+	{
+	}
+
+	// TCommand<> interface
+	virtual void RegisterCommands() override;
+	// End of TCommand<> interface
+
+	//TODO: Remove?
+	TSharedPtr<FUICommandInfo> setShowGrid;
+	TSharedPtr<FUICommandInfo> enterViewMode;
+};

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeEditorPrivatePCH.h

@@ -0,0 +1,13 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The Skill Tree Editor Module Pre Compiled Header.
+//////////////////////////////////////////
+
+
+#pragma once
+
+#include "UnrealEd.h"
+#include "ISkillTreeEditor.h"
+

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeEditorViewport.cpp

@@ -0,0 +1,532 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "SkillTreeEditorViewport.h"
+#include "SceneViewport.h"
+
+#include "GraphEditor.h"
+#include "SDockTab.h"
+#include "SEditorViewport.h"
+#include "SCommonEditorViewportToolbarBase.h"
+#include "ISkillTree.h"
+#include "SkillTreeEditorViewportClient.h"
+#include "SSkillTreeEditorViewportToolbar.h"
+#include "SkillTreeObject.h"
+#include "SkillObject.h"
+#include "WorkspaceMenuStructureModule.h"
+
+#include "SkillTreeEditorCommands.h"
+#include "SSingleObjectDetailsPanel.h"
+#include "SkillTreeDetailsCustomization.h"
+
+#define LOCTEXT_NAMESPACE "SkillTreeEditor"
+
+const FName skillTreeEditorAppName = FName( TEXT( "SkillTreeEditorApp" ) );
+
+// Tab identifiers.
+struct FSkillTreeEditorTabs
+{
+	static const FName skillTreeViewportID;
+	static const FName skillTreeDetailViewportID;
+	static const FName skillViewportID;
+	static const FName skillDetailViewportID;
+};
+
+const FName FSkillTreeEditorTabs::skillTreeViewportID( TEXT( "STViewport" ) );
+const FName FSkillTreeEditorTabs::skillViewportID( TEXT( "SViewport" ) );
+const FName FSkillTreeEditorTabs::skillTreeDetailViewportID( TEXT( "STDViewport" ) );
+const FName FSkillTreeEditorTabs::skillDetailViewportID( TEXT( "SDViewport" ) );
+
+//TODO: Make separate headers for these classes.
+/////////////////////////////////////////////////////
+// SSkillTreePropertiesTabBody
+
+class SSkillTreePropertiesTabBody : public SSingleObjectDetailsPanel
+{
+public:
+	SLATE_BEGIN_ARGS( SSkillTreePropertiesTabBody ) {}
+	SLATE_END_ARGS()
+
+private:
+	// Pointer back to owning skill tree editor instance.
+	TWeakPtr<class FSkillTreeEditorViewport> m_skillTreeEditorPtr;
+
+public:
+	void Construct( const FArguments& a_args, TSharedPtr<FSkillTreeEditorViewport> a_skillTreeEditor )
+	{
+		m_skillTreeEditorPtr = a_skillTreeEditor;
+
+		SSingleObjectDetailsPanel::Construct( SSingleObjectDetailsPanel::FArguments().HostCommandList( a_skillTreeEditor->GetToolkitCommands() ), true, true );
+
+		FOnGetDetailCustomizationInstance customizeSkillTreeForEditor = FOnGetDetailCustomizationInstance::CreateStatic( &FSkillTreeDetailsCustomization::MakeInstanceForSkillTreeEditor );
+		PropertyView->RegisterInstancedCustomPropertyLayout( USkillTreeObject::StaticClass(), customizeSkillTreeForEditor );
+	}
+
+	// SSingleObjectDetailsPanel interface
+	virtual UObject* GetObjectToObserve() const override
+	{
+		return m_skillTreeEditorPtr.Pin()->GetSkillTreeBeingEdited();
+	}
+
+	virtual TSharedRef<SWidget> PopulateSlot( TSharedRef<SWidget> a_propertyEditorWidget ) override
+	{
+		return SNew( SVerticalBox )
+			+ SVerticalBox::Slot()
+			.FillHeight( 1 )
+			[
+				a_propertyEditorWidget
+			];
+	}
+	// End of SSingleObjectDetailsPanel interface
+};
+
+/////////////////////////////////////////////////////
+// SSkillPropertiesTabBody
+
+class SSkillPropertiesTabBody : public SSingleObjectDetailsPanel
+{
+public:
+	SLATE_BEGIN_ARGS( SSkillPropertiesTabBody ) {}
+	SLATE_END_ARGS()
+
+private:
+	// Pointer back to owning sprite editor instance (the keeper of state)
+	TWeakPtr<class FSkillTreeEditorViewport> m_skillTreeEditorPtr;
+
+public:
+	void Construct( const FArguments& InArgs, TSharedPtr<FSkillTreeEditorViewport> a_skillTreeEditor )
+	{
+		m_skillTreeEditorPtr = a_skillTreeEditor;
+
+		SSingleObjectDetailsPanel::Construct( SSingleObjectDetailsPanel::FArguments().HostCommandList( a_skillTreeEditor->GetToolkitCommands() ), true, true );
+
+		FOnGetDetailCustomizationInstance customizeSkillTreeForEditor = FOnGetDetailCustomizationInstance::CreateStatic( &FSkillDetailsCustomization::MakeInstanceForSkillTreeEditor );
+		PropertyView->RegisterInstancedCustomPropertyLayout( USkillObject::StaticClass(), customizeSkillTreeForEditor );
+	}
+
+	// SSingleObjectDetailsPanel interface
+	virtual UObject* GetObjectToObserve() const override
+	{
+		return m_skillTreeEditorPtr.Pin()->GetSkillBeingEdited();
+	}
+
+	virtual TSharedRef<SWidget> PopulateSlot( TSharedRef<SWidget> a_propertyEditorWidget ) override
+	{
+		return SNew( SVerticalBox )
+			+ SVerticalBox::Slot()
+			.FillHeight( 1 )
+			[
+				a_propertyEditorWidget
+			];
+	}
+	// End of SSingleObjectDetailsPanel interface
+};
+
+/////////////////////////////////////////////////////
+// SSkillTreeEditorViewport
+
+class SSkillTreeEditorViewport : public SEditorViewport, public ICommonEditorViewportToolbarInfoProvider
+{
+public:
+	SLATE_BEGIN_ARGS( SSkillTreeEditorViewport ) {}
+	SLATE_END_ARGS()
+
+	void Construct( const FArguments& a_args, TSharedPtr<FSkillTreeEditorViewport> a_spriteEditor );
+
+	// SEditorViewport interface
+	virtual void BindCommands() override;
+	virtual TSharedRef<FEditorViewportClient> MakeEditorViewportClient() override;
+	virtual TSharedPtr<SWidget> MakeViewportToolbar() override;
+	virtual EVisibility GetTransformToolbarVisibility() const override;
+	virtual void OnFloatingButtonClicked() override;
+	// End of SEditorViewport interface
+
+	// ICommonEditorViewportToolbarInfoProvider interface
+	virtual TSharedRef<class SEditorViewport> GetViewportWidget() override;
+	virtual TSharedPtr<FExtender> GetExtenders() const override;
+	// End of ICommonEditorViewportToolbarInfoProvider interface
+
+	void ActivateEditMode()
+	{
+		m_editorViewportClient->ActivateEditMode();
+	}
+
+	void IsSkill( bool a_state )
+	{
+		m_editorViewportClient->IsSkill( a_state );
+	}
+
+private:
+	// Pointer back to owning Skill Tree editor instance (the keeper of state).
+	TWeakPtr<class FSkillTreeEditorViewport> m_skillTreeEditorPtr;
+
+	// Viewport client
+	TSharedPtr<FSkillTreeEditorViewportClient> m_editorViewportClient;
+};
+
+void SSkillTreeEditorViewport::Construct( const FArguments& a_args, TSharedPtr<FSkillTreeEditorViewport> a_skillTreeEditor )
+{
+	m_skillTreeEditorPtr = a_skillTreeEditor;
+
+	SEditorViewport::Construct( SEditorViewport::FArguments() );
+}
+
+void SSkillTreeEditorViewport::BindCommands()
+{
+	SEditorViewport::BindCommands();
+
+	const FSkillTreeEditorCommands& commands = FSkillTreeEditorCommands::Get();
+
+	TSharedRef<FSkillTreeEditorViewportClient> editorViewportClientRef = m_editorViewportClient.ToSharedRef();
+
+	// Show toggles
+	//TODO: Remove.
+	CommandList->MapAction(
+		commands.setShowGrid,
+		FExecuteAction::CreateSP( editorViewportClientRef, &FEditorViewportClient::SetShowGrid ),
+		FCanExecuteAction(),
+		FIsActionChecked::CreateSP( editorViewportClientRef, &FEditorViewportClient::IsSetShowGridChecked ) );
+
+
+	// Editing modes
+	//TODO: Remove.
+	CommandList->MapAction(
+		commands.enterViewMode,
+		FExecuteAction::CreateSP( editorViewportClientRef, &FSkillTreeEditorViewportClient::EnterViewMode ),
+		FCanExecuteAction(),
+		FIsActionChecked::CreateSP( editorViewportClientRef, &FSkillTreeEditorViewportClient::IsInViewMode ) );
+}
+
+// Make a new client for the viewport.
+TSharedRef<FEditorViewportClient> SSkillTreeEditorViewport::MakeEditorViewportClient()
+{
+	m_editorViewportClient = MakeShareable( new FSkillTreeEditorViewportClient( m_skillTreeEditorPtr, SharedThis( this ) ) );
+
+	return m_editorViewportClient.ToSharedRef();
+}
+
+TSharedPtr<SWidget> SSkillTreeEditorViewport::MakeViewportToolbar()
+{
+	return SNew( SSkillTreeEditorViewportToolbar, SharedThis( this ) );
+}
+
+EVisibility SSkillTreeEditorViewport::GetTransformToolbarVisibility() const
+{
+	return EVisibility::Visible;
+}
+
+TSharedRef<class SEditorViewport> SSkillTreeEditorViewport::GetViewportWidget()
+{
+	return SharedThis( this );
+}
+
+TSharedPtr<FExtender> SSkillTreeEditorViewport::GetExtenders() const
+{
+	TSharedPtr<FExtender> Result( MakeShareable( new FExtender ) );
+	return Result;
+}
+
+//Needed to be implemented but not used.
+void SSkillTreeEditorViewport::OnFloatingButtonClicked()
+{
+}
+
+/////////////////////////////////////////////////////
+// FSkillTreeEditorViewport
+
+TSharedRef<SDockTab> FSkillTreeEditorViewport::SpawnTab_SKViewport( const FSpawnTabArgs& a_args )
+{
+	return SNew( SDockTab )
+		.Label( LOCTEXT( "SKViewportTab_Title", "Skill Tree" ) )
+		[
+			SNew( SOverlay )
+
+			// The Skill Tree editor viewport
+			+ SOverlay::Slot()
+			[
+				m_skillTreeViewport.ToSharedRef()
+			]
+
+			// Bottom-right corner text indicating the preview nature of the viewport.
+			+ SOverlay::Slot()
+				.Padding( 10 )
+				.VAlign( VAlign_Bottom )
+				.HAlign( HAlign_Right )
+				[
+					SNew( STextBlock )
+					.Visibility( EVisibility::HitTestInvisible )
+					.TextStyle( FEditorStyle::Get(), "Graph.CornerText" )
+					.Text( LOCTEXT( "SKViewportTab_CornerText", "Edit Skill Tree" ) )
+				]
+		];
+}
+
+TSharedRef<SDockTab> FSkillTreeEditorViewport::SpawnTab_SViewport( const FSpawnTabArgs& a_args )
+{
+	return SNew( SDockTab )
+		.Label( LOCTEXT( "SViewportTab_Title", "Skill" ) )
+		[
+			SNew( SOverlay )
+
+			// The sprite editor viewport
+			+ SOverlay::Slot()
+			[
+				m_skillViewport.ToSharedRef()
+			]
+
+			// Bottom-right corner text indicating the preview nature of the viewport.
+			+ SOverlay::Slot()
+				.Padding( 10 )
+				.VAlign( VAlign_Bottom )
+				.HAlign( HAlign_Right )
+				[
+					SNew( STextBlock )
+					.Visibility( EVisibility::HitTestInvisible )
+					.TextStyle( FEditorStyle::Get(), "Graph.CornerText" )
+					.Text( LOCTEXT("SViewportTab_CornerText", "Edit Skill") )
+				]
+		];
+}
+
+TSharedRef<SDockTab> FSkillTreeEditorViewport::SpawnTab_SKDViewport( const FSpawnTabArgs& a_args )
+{
+	TSharedPtr<FSkillTreeEditorViewport> editorPtr = SharedThis( this );
+
+	// Spawn the tab
+	return SNew( SDockTab )
+		.Label( LOCTEXT( "SKDViewportTab_Title", "Skill Tree Details" ) )
+		[
+			SNew( SSkillTreePropertiesTabBody, editorPtr )
+		];
+}
+
+TSharedRef<SDockTab> FSkillTreeEditorViewport::SpawnTab_SDViewport( const FSpawnTabArgs& a_args )
+{
+	TSharedPtr<FSkillTreeEditorViewport> editorPtr = SharedThis( this );
+
+	// Spawn the tab
+	return SNew( SDockTab )
+		.Label( LOCTEXT( "SDViewportTab_Title", "Skill Details" ) )
+		[
+			SNew( SSkillPropertiesTabBody, editorPtr )
+		];
+}
+
+void FSkillTreeEditorViewport::RegisterTabSpawners( const TSharedRef<class FTabManager>& a_tabManager )
+{
+	WorkspaceMenuCategory = a_tabManager->AddLocalWorkspaceMenuCategory( LOCTEXT( "WorkspaceMenu_SpriteEditor", "Skill Tree Editor" ) );
+	auto workspaceMenuCategoryRef = WorkspaceMenuCategory.ToSharedRef();
+
+	FAssetEditorToolkit::RegisterTabSpawners( a_tabManager );
+
+	a_tabManager->RegisterTabSpawner( FSkillTreeEditorTabs::skillTreeViewportID, FOnSpawnTab::CreateSP( this, &FSkillTreeEditorViewport::SpawnTab_SKViewport ) )
+		.SetDisplayName( LOCTEXT( "SKViewportTab", "Skill Tree" ) )
+		.SetGroup( workspaceMenuCategoryRef )
+		.SetIcon( FSlateIcon( FEditorStyle::GetStyleSetName(), "LevelEditor.Tabs.Viewports" ) );
+
+	a_tabManager->RegisterTabSpawner( FSkillTreeEditorTabs::skillTreeDetailViewportID, FOnSpawnTab::CreateSP( this, &FSkillTreeEditorViewport::SpawnTab_SKDViewport ) )
+		.SetDisplayName( LOCTEXT( "SKDViewportTab", "Skill Tree Details" ) )
+		.SetGroup( workspaceMenuCategoryRef )
+		.SetIcon( FSlateIcon( FEditorStyle::GetStyleSetName(), "LevelEditor.Tabs.Viewports" ) );
+
+	a_tabManager->RegisterTabSpawner( FSkillTreeEditorTabs::skillViewportID, FOnSpawnTab::CreateSP( this, &FSkillTreeEditorViewport::SpawnTab_SViewport ) )
+		.SetDisplayName( LOCTEXT( "SViewportTab", "Skill" ) )
+		.SetGroup( workspaceMenuCategoryRef )
+		.SetIcon( FSlateIcon( FEditorStyle::GetStyleSetName(), "LevelEditor.Tabs.Viewports" ) );
+
+	a_tabManager->RegisterTabSpawner( FSkillTreeEditorTabs::skillDetailViewportID, FOnSpawnTab::CreateSP( this, &FSkillTreeEditorViewport::SpawnTab_SDViewport ) )
+		.SetDisplayName( LOCTEXT( "SDViewportTab", "Skill Details" ) )
+		.SetGroup( workspaceMenuCategoryRef )
+		.SetIcon( FSlateIcon( FEditorStyle::GetStyleSetName(), "LevelEditor.Tabs.Viewports" ) );
+}
+
+void FSkillTreeEditorViewport::UnregisterTabSpawners( const TSharedRef<class FTabManager>& a_tabManager )
+{
+	FAssetEditorToolkit::UnregisterTabSpawners( a_tabManager );
+
+	a_tabManager->UnregisterTabSpawner( FSkillTreeEditorTabs::skillTreeViewportID );
+	a_tabManager->UnregisterTabSpawner( FSkillTreeEditorTabs::skillTreeDetailViewportID );
+	a_tabManager->UnregisterTabSpawner( FSkillTreeEditorTabs::skillViewportID );
+	a_tabManager->UnregisterTabSpawner( FSkillTreeEditorTabs::skillDetailViewportID );
+}
+
+FName FSkillTreeEditorViewport::GetToolkitFName() const
+{
+	return FName( "SkillTreeEditor" );
+}
+
+void FSkillTreeEditorViewport::SetSkillBeingEdited( USkillObject* a_skill )
+{
+	if ( (a_skill != m_skillBeingEdited) && (a_skill != nullptr) )
+	{
+		USkillObject* oldSkill = m_skillBeingEdited;
+		m_skillBeingEdited = a_skill;
+
+		//No longer needed.
+		/*
+		RemoveEditingObject( oldSkill );
+		AddEditingObject( a_skill );
+		*/
+	}
+}
+
+FText FSkillTreeEditorViewport::GetBaseToolkitName() const
+{
+	return LOCTEXT( "SkillTreeEditorAppLabel", "Skill Tree" );
+}
+
+FText FSkillTreeEditorViewport::GetToolkitName() const
+{
+	bool dirtyState = (m_skillTreeBeingEdited->GetOutermost()->IsDirty() || m_skillBeingEdited->GetOutermost()->IsDirty());
+
+	FFormatNamedArguments args;
+	args.Add( TEXT( "SkillTreeName" ), FText::FromString( m_skillTreeBeingEdited->GetName() ) );
+	args.Add( TEXT( "DirtyState" ), dirtyState ? FText::FromString( TEXT( "*" ) ) : FText::GetEmpty() );
+	return FText::Format( LOCTEXT( "SkillTreeEditorAppLabel", "{SkillTreeName}{DirtyState}" ), args );
+}
+
+FText FSkillTreeEditorViewport::GetToolkitToolTipText() const
+{
+	return LOCTEXT( "SkillTreeToolTip", "Test tooltip text" );
+}
+
+FString FSkillTreeEditorViewport::GetWorldCentricTabPrefix() const
+{
+	return TEXT( "SkillTreeEditor" );
+}
+
+FString FSkillTreeEditorViewport::GetDocumentationLink() const
+{
+	return TEXT( "http://iamfromtheinternet.nl/wiki/index.php/Skill_Tree" );
+}
+
+FLinearColor FSkillTreeEditorViewport::GetWorldCentricTabColorScale() const
+{
+	return FLinearColor::White;
+}
+
+void FSkillTreeEditorViewport::CreateModeToolbarWidgets( FToolBarBuilder& a_ignoredBuilder )
+{
+	FToolBarBuilder toolbarBuilder( m_skillTreeViewport->GetCommandList(), FMultiBoxCustomization::None );
+	toolbarBuilder.AddToolBarButton( FSkillTreeEditorCommands::Get().enterViewMode );
+	AddToolbarWidget( toolbarBuilder.MakeWidget() );
+}
+
+void FSkillTreeEditorViewport::InitSkillTreeEditor( const EToolkitMode::Type a_mode, const TSharedPtr< class IToolkitHost >& a_toolkitHost, class USkillTreeObject* a_skillTree, class USkillObject* a_skill )
+{
+	m_skillTreeBeingEdited = a_skillTree;
+	m_tmpSkills = m_skillTreeBeingEdited->skills;
+	if ( !a_skill )
+	{
+		m_skillBeingEdited = NewObject<USkillObject>();
+		m_skillBeingEdited->hexMap.width = 0;
+		m_skillBeingEdited->hexMap.height = 0;
+	}
+	else
+	{
+		m_skillBeingEdited = a_skill;
+		selectedY = m_tmpSkills.Find( TSubclassOf<USkillObject>((UClass*)m_skillBeingEdited) );
+	}
+
+	FSkillTreeEditorCommands::Register();
+
+	TSharedPtr<FSkillTreeEditorViewport> skillTreeEditorPtr = SharedThis( this );
+	m_skillTreeViewport = SNew( SSkillTreeEditorViewport, skillTreeEditorPtr );
+	m_skillViewport = SNew( SSkillTreeEditorViewport, skillTreeEditorPtr );
+	m_skillViewport->IsSkill( true );
+
+	const TSharedRef<FTabManager::FLayout> defaultLayout = FTabManager::NewLayout( "SkillTreeEditor_Layout_v2" )
+		->AddArea
+		(
+			FTabManager::NewPrimaryArea()
+			->SetOrientation( Orient_Vertical )
+			->Split
+			(
+				FTabManager::NewStack()
+				->SetSizeCoefficient( 0.1f )
+				->SetHideTabWell( true )
+				->AddTab( GetToolbarTabId(), ETabState::OpenedTab )
+			)
+			->Split
+			(
+				FTabManager::NewSplitter()
+				->SetOrientation( Orient_Horizontal )
+				->SetSizeCoefficient( 0.9f )
+				->Split
+				(
+					FTabManager::NewStack()
+					->SetSizeCoefficient( 0.35f )
+					->SetHideTabWell( true )
+					->AddTab( FSkillTreeEditorTabs::skillTreeViewportID, ETabState::OpenedTab )
+				)
+				->Split
+				(
+					FTabManager::NewStack()
+					->SetSizeCoefficient( 0.15f )
+					->SetHideTabWell( true )
+					->AddTab( FSkillTreeEditorTabs::skillTreeDetailViewportID, ETabState::OpenedTab )
+				)
+				->Split
+				(
+					FTabManager::NewStack()
+					->SetSizeCoefficient( 0.35f )
+					->SetHideTabWell( true )
+					->AddTab( FSkillTreeEditorTabs::skillViewportID, ETabState::OpenedTab )
+				)
+				->Split
+				(
+					FTabManager::NewStack()
+					->SetSizeCoefficient( 0.15f )
+					->SetHideTabWell( true )
+					->AddTab( FSkillTreeEditorTabs::skillDetailViewportID, ETabState::OpenedTab )
+				)
+			)
+		);
+
+	// Initialize the asset editor
+	InitAssetEditor( a_mode, a_toolkitHost, skillTreeEditorAppName, defaultLayout, true, true, a_skillTree );
+
+	m_skillTreeViewport->ActivateEditMode();
+	m_skillViewport->ActivateEditMode();
+
+	// Extend things
+	RegenerateMenusAndToolbars();
+}
+
+void FSkillTreeEditorViewport::UpdateSkills()
+{
+	if ( m_skillTreeBeingEdited->skills != m_tmpSkills )
+	{
+		for ( int i = 0; i < m_tmpSkills.Num(); i++ )
+		{
+			if ( m_tmpSkills[i] != NULL && !m_skillTreeBeingEdited->skills.Contains( m_tmpSkills[i] ) )
+			{
+				USkillObject* tmpSkill = (USkillObject*)*m_tmpSkills[i];//m_tmpSkills[i]->GetDefaultObject<USkillObject>();
+				if ( tmpSkill != NULL ) tmpSkill->skillTree = NULL;
+			}
+		}
+		for ( int i = 0; i < m_skillTreeBeingEdited->skills.Num(); i++ )
+		{
+			if ( m_skillTreeBeingEdited->skills[i] != NULL && !m_tmpSkills.Contains( m_skillTreeBeingEdited->skills[i] ) )
+			{
+				USkillObject* tmpSkill = (USkillObject*)*m_skillTreeBeingEdited->skills[i]; //m_skillTreeBeingEdited->skills[i]->GetDefaultObject<USkillObject>();
+				if ( tmpSkill != NULL ) tmpSkill->skillTree = m_skillTreeBeingEdited;
+			}
+		}
+		m_tmpSkills = m_skillTreeBeingEdited->skills;
+	}
+}
+
+void FSkillTreeEditorViewport::SaveAsset_Execute()
+{
+	TArray< UPackage* > PackagesToSave;
+	PackagesToSave.Add( m_skillTreeBeingEdited->GetOutermost() );
+	PackagesToSave.Add( m_skillBeingEdited->GetOutermost() );
+
+	FEditorFileUtils::PromptForCheckoutAndSave( PackagesToSave, bCheckDirtyOnAssetSave, /*bPromptToSave=*/ false );
+}
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeEditorViewport.h

@@ -0,0 +1,71 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The Skill Tree Editor main class.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "Toolkits/AssetEditorToolkit.h"
+#include "Toolkits/AssetEditorManager.h"
+
+class SSkillTreeEditorViewport;
+class USkillTreeObject;
+class USkillObject;
+
+class FSkillTreeEditorViewport : public FAssetEditorToolkit//, public FGCObject
+{
+public:
+	//The ID of the selected Skill.
+	int32 selectedY = -1;
+
+	// IToolkit interface
+	virtual void RegisterTabSpawners( const TSharedRef<class FTabManager>& a_tabManager ) override;
+	virtual void UnregisterTabSpawners( const TSharedRef<class FTabManager>& a_tabManager ) override;
+	// End of IToolkit interface
+
+	// FAssetEditorToolkit
+	virtual FName GetToolkitFName() const override;
+	virtual FText GetBaseToolkitName() const override;
+	virtual FText GetToolkitName() const override;
+	virtual FText GetToolkitToolTipText() const override;
+	virtual FLinearColor GetWorldCentricTabColorScale() const override;
+	virtual FString GetWorldCentricTabPrefix() const override;
+	virtual FString GetDocumentationLink() const override;
+	virtual void SaveAsset_Execute() override;
+	// End of FAssetEditorToolkit
+
+	//Set the Skill to Edit.
+	void SetSkillBeingEdited( USkillObject* a_skill );
+	//Get the Current Skill Tree that is being edited.
+	USkillTreeObject* GetSkillTreeBeingEdited() const { return m_skillTreeBeingEdited; };
+	//Get the Current Skill that is being edited.
+	USkillObject* GetSkillBeingEdited() const { return m_skillBeingEdited; };
+
+	void InitSkillTreeEditor( const EToolkitMode::Type a_mode, const TSharedPtr< class IToolkitHost >& a_toolkitHost, class USkillTreeObject* a_skillTree, class USkillObject* a_skill = NULL );
+
+	void UpdateSkills();
+protected:
+	// A temporary list of Skills to check agains to see if new Skills have been added.
+	TArray<TSubclassOf<USkillObject>> m_tmpSkills;
+
+	// The pointer to the current Skill Tree.
+	USkillTreeObject* m_skillTreeBeingEdited;
+	// The pointer to the current Skill.
+	USkillObject* m_skillBeingEdited = NULL;
+
+	// The pointer to the Skill Tree Viewport.
+	TSharedPtr<SSkillTreeEditorViewport> m_skillTreeViewport;
+	// The pointer to the Skill Viewport.
+	TSharedPtr<SSkillTreeEditorViewport> m_skillViewport;
+
+	// Functions to spawn the Viewports and Details
+	TSharedRef<SDockTab> SpawnTab_SKViewport( const FSpawnTabArgs& a_args );
+	TSharedRef<SDockTab> SpawnTab_SViewport( const FSpawnTabArgs& a_args );
+	TSharedRef<SDockTab> SpawnTab_SKDViewport( const FSpawnTabArgs& a_args );
+	TSharedRef<SDockTab> SpawnTab_SDViewport( const FSpawnTabArgs& a_args );
+
+	// Creates the toolbar buttons.
+	void CreateModeToolbarWidgets( FToolBarBuilder& ToolbarBuilder );
+};

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeEditorViewportClient.cpp

@@ -0,0 +1,333 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "SkillTreeEditorViewportClient.h"
+#include "SceneViewport.h"
+
+#include "PreviewScene.h"
+#include "ScopedTransaction.h"
+#include "Runtime/Engine/Public/ComponentReregisterContext.h"
+
+#include "AssetToolsModule.h"
+#include "AssetRegistryModule.h"
+#include "CanvasTypes.h"
+#include "CanvasItem.h"
+
+#include "PhysicsEngine/BodySetup2D.h"
+#include "SEditorViewport.h"
+
+#include "SNotificationList.h"
+#include "NotificationManager.h"
+
+#include "SkillTreeFactory.h"
+#include "SkillTreeObject.h"
+#include "SkillObject.h"
+
+#define LOCTEXT_NAMESPACE "SkillTreeEditor"
+
+FSkillTreeEditorViewportClient::FSkillTreeEditorViewportClient( TWeakPtr<FSkillTreeEditorViewport> a_skillTreeEditor, TWeakPtr<class SEditorViewport> a_skillTreeEditorViewportPtr )
+	: FEditorViewportClient( new FAssetEditorModeManager(), nullptr, a_skillTreeEditorViewportPtr )
+	, m_skillTreeEditorPtr( a_skillTreeEditor )
+	, m_skillTreeEditorViewportPtr( a_skillTreeEditorViewportPtr )
+{
+	check( m_skillTreeEditorPtr.IsValid() && m_skillTreeEditorViewportPtr.IsValid() );
+
+	// The tile map editor fully supports mode tools and isn't doing any incompatible stuff with the Widget
+	Widget->SetUsesEditorModeTools( ModeTools );
+
+	PreviewScene = &m_ownedPreviewScene;
+	((FAssetEditorModeManager*)ModeTools)->SetPreviewScene( PreviewScene );
+
+	SetRealtime( true );
+
+	DrawHelper.bDrawGrid = false;
+
+	EngineShowFlags.DisableAdvancedFeatures();
+	EngineShowFlags.CompositeEditorPrimitives = false; //REMINDER: Turned off.
+}
+
+void FSkillTreeEditorViewportClient::Draw( const FSceneView* a_view, FPrimitiveDrawInterface* a_drawInterface )
+{
+	FEditorViewportClient::Draw( a_view, a_drawInterface );
+}
+
+void FSkillTreeEditorViewportClient::DrawCanvas( FViewport& a_viewport, FSceneView& a_view, FCanvas& a_canvas )
+{
+	const bool isHitTesting = a_canvas.IsHitTesting();
+	if ( !isHitTesting )
+	{
+		a_canvas.SetHitProxy( nullptr );
+	}
+
+	if ( !m_skillTreeEditorPtr.IsValid() )
+	{
+		return;
+	}
+
+	m_screenSize = a_viewport.GetSizeXY();
+
+	USkillTreeObject* skillTree = m_skillTreeEditorPtr.Pin()->GetSkillTreeBeingEdited();
+	USkillObject* skill = m_skillTreeEditorPtr.Pin()->GetSkillBeingEdited();
+
+	int offsetY = -m_hexSize;
+	int height;
+	int maxY;
+	int width;
+
+	if ( m_state )
+	{
+		height = skill->hexMap.height;
+		if ( height % 2 != 0 ) offsetY = m_hexSize;
+		width = skill->hexMap.width;
+		maxY = height - 1;
+	}
+	else
+	{
+		height = 16;
+		width = 13;
+		maxY = 15;
+	}
+
+	FLinearColor enabledColor = FLinearColor( 0.43f, 0.43f, 0.43f );
+	FLinearColor disabledColor = FLinearColor( 0.10f, 0.10f, 0.10f );
+
+	for ( float x = 0; x < width; x++ )
+	{
+		maxY = (maxY == (height - 1) ? height : (height - 1));
+		offsetY = (offsetY == -m_hexSize ? 0 : -m_hexSize);
+		for ( int y = 0; y < maxY; y++ )
+		{
+			bool test;
+			if ( m_state )
+			{
+				test = skill->hexMap.Get( x, y );
+			}
+			else
+			{
+				test = skillTree->hexMap.Get( x, y );
+			} 
+			FLinearColor hexColor = enabledColor;
+			if ( !test )
+			{
+				hexColor = disabledColor;
+			}
+			float X = (x - (((float)width) / 2.0f)) * m_hexSize * 2;
+			float Y = ((y - (maxY / 2)) * m_hexSize * 2) + offsetY;
+			FCanvasNGonItem hexagonBorder( FVector2D( ( m_screenSize.X / 2 ) + X, ( m_screenSize.Y / 2 ) + Y ), FVector2D( m_hexSize, m_hexSize ), 6, hexColor );
+			hexagonBorder.Draw( &a_canvas );
+
+			if ( m_state )
+			{
+				FCanvasTextItem TextItem( FVector2D( ( m_screenSize.X / 2 ) + X, ( m_screenSize.Y / 2 ) + Y ), FText::Format( LOCTEXT( "PositionStr", "{0},{1}" ), FText::AsNumber( x ), FText::AsNumber( y ) ), GEngine->GetSmallFont(), FLinearColor::White );
+				TextItem.EnableShadow( FLinearColor::Black );
+				TextItem.bCentreX = true;
+
+				TextItem.Draw( &a_canvas );
+			}
+		}
+	}
+
+	float hexmapWidth = ( m_screenSize.X / 2 ) + ( ( ( width - 1 ) - ( ( (float)width ) / 2.0f ) ) * m_hexSize * 2 );
+	hexmapWidth += m_hexSize;
+	int boxWidth = ( ( m_screenSize.X - hexmapWidth ) );
+	boxWidth = FMath::Clamp( boxWidth, 0, 150 );
+	if ( !m_state )
+	{
+		for ( int i = 0, y = 50; i < skillTree->skills.Num(); i++, y += 20 )
+		{
+			if ( !skillTree->skills[i] ) continue;
+			if ( m_hoverY == i || m_skillTreeEditorPtr.Pin()->selectedY == i )
+			{
+				int minboxX = m_screenSize.X - boxWidth;
+				int minboxY = y;
+				FCanvasBoxItem boxItem( FVector2D( minboxX, minboxY ), FVector2D( boxWidth, 20) );
+				if ( m_hoverY == i ) boxItem.SetColor( FLinearColor::Black );
+				if ( m_skillTreeEditorPtr.Pin()->selectedY == i ) boxItem.SetColor( FLinearColor::White );
+				boxItem.Draw( &a_canvas );
+			}
+			FFormatNamedArguments args;
+			args.Add( TEXT( "DirtyState" ), skillTree->skills[i]->GetOutermost()->IsDirty() ? FText::FromString( TEXT( "*" ) ) : FText::GetEmpty() );
+			args.Add( TEXT( "SkillName" ), FText::AsCultureInvariant( skillTree->skills[i]->GetName() ) );
+			const FText assetName = FText::Format( LOCTEXT( "SkillName", "{SkillName}{DirtyState}" ), args );
+			FCanvasTextItem TextItem( FVector2D( m_screenSize.X - ( ( m_screenSize.X - hexmapWidth ) / 2 ), y ), assetName, GEngine->GetSmallFont(), FLinearColor::White );
+			TextItem.EnableShadow( FLinearColor::Black );
+			TextItem.bCentreX = true;
+
+			TextItem.Draw( &a_canvas );
+		}
+	}
+
+	int minboxX = 0;
+	int minboxY = 50;
+	FCanvasTileItem enabledColorSquare( FVector2D( 0, 50 ), FVector2D( boxWidth, 20 ), enabledColor );
+	FCanvasTileItem disabledColorSquare( FVector2D( 0, 70 ), FVector2D( boxWidth, 20 ), disabledColor );
+	enabledColorSquare.Draw( &a_canvas );
+	disabledColorSquare.Draw( &a_canvas );
+
+	FCanvasTextItem enabledTextItem( FVector2D( boxWidth / 2, 50 ), FText::FromString( TEXT( "Solid" ) ), GEngine->GetSmallFont(), FLinearColor::White );
+	enabledTextItem.EnableShadow( FLinearColor::Black );
+	enabledTextItem.bCentreX = true;
+	enabledTextItem.Draw( &a_canvas );
+
+	FCanvasTextItem disabledTextItem( FVector2D( boxWidth / 2, 70 ), FText::FromString( TEXT( "Empty" ) ), GEngine->GetSmallFont(), FLinearColor::White );
+	disabledTextItem.EnableShadow( FLinearColor::Black );
+	disabledTextItem.bCentreX = true;
+	disabledTextItem.Draw( &a_canvas );
+
+	FEditorViewportClient::DrawCanvas( a_viewport, a_view, a_canvas );
+}
+
+void FSkillTreeEditorViewportClient::MouseMove( FViewport* a_viewport, int32 a_mouseX, int32 a_mouseY )
+{
+	if ( m_state ) return;
+	USkillTreeObject* skillTree = m_skillTreeEditorPtr.Pin()->GetSkillTreeBeingEdited();
+	int width = 13;
+
+	float hexmapWidth = ( m_screenSize.X / 2 ) + ( ( ( width - 1 ) - ( ( (float)width ) / 2.0f ) ) * m_hexSize * 2 );
+	hexmapWidth += m_hexSize;
+
+	int minboxX = m_screenSize.X - ( ( m_screenSize.X - hexmapWidth ) );
+	int maxboxX = m_screenSize.X;
+	for ( int i = 0, y = 50; i < skillTree->skills.Num(); i++, y += 20 )
+	{
+		int minboxY = y;
+		int maxboxY = y + 20;
+		if ( !skillTree->skills[i] ) continue;
+		if ( a_mouseX >= minboxX && a_mouseX <= maxboxX && a_mouseY >= minboxY && a_mouseY <= maxboxY )
+		{
+			m_hoverY = i;
+			FEditorViewportClient::MouseMove( a_viewport, a_mouseX, a_mouseY );
+			return;
+		}
+	}
+	m_hoverY = -1;
+	
+	FEditorViewportClient::MouseMove( a_viewport, a_mouseX, a_mouseY );
+}
+
+void FSkillTreeEditorViewportClient::InternalActivateNewMode( )
+{
+	//m_currentMode = a_newMode;
+	Viewport->InvalidateHitProxy();
+}
+
+FLinearColor FSkillTreeEditorViewportClient::GetBackgroundColor() const
+{
+	return FLinearColor( 0.20f, 0.22f, 0.22f );
+}
+
+void FSkillTreeEditorViewportClient::ActivateEditMode()
+{
+	// Activate the skill tree edit mode
+	ModeTools->SetToolkitHost( m_skillTreeEditorPtr.Pin()->GetToolkitHost() );
+	ModeTools->ActivateDefaultMode();
+}
+
+void FSkillTreeEditorViewportClient::Tick( float a_deltaSeconds )
+{
+	FEditorViewportClient::Tick( a_deltaSeconds );
+
+	m_skillTreeEditorPtr.Pin()->UpdateSkills();
+
+	if ( !GIntraFrameDebuggingGameThread )
+	{
+		m_ownedPreviewScene.GetWorld()->Tick( LEVELTICK_All, a_deltaSeconds );
+	}
+}
+
+void FSkillTreeEditorViewportClient::ProcessClick( FSceneView& a_view, HHitProxy* a_hitProxy, FKey a_key, EInputEvent a_event, uint32 a_hitX, uint32 a_hitY )
+{
+	bool handled = false;
+	USkillTreeObject* skillTree = m_skillTreeEditorPtr.Pin()->GetSkillTreeBeingEdited();
+	USkillObject* skill = m_skillTreeEditorPtr.Pin()->GetSkillBeingEdited();
+
+	int offsetY = -m_hexSize;
+	int height;
+	int maxY;
+	int width;
+
+	if ( m_state )
+	{
+		height = skill->hexMap.height;
+		width = skill->hexMap.width;
+		if ( height % 2 != 0 ) offsetY = m_hexSize;
+		maxY = height-1;
+	}
+	else
+	{
+		height = 16;
+		width = 13;
+		maxY = 15;
+	}
+
+	FVector2D mpos( a_hitX, a_hitY );
+
+	for ( float x = 0; x < width; x++ )
+	{
+		maxY = (maxY == (height - 1) ? height : (height - 1));
+		offsetY = ( offsetY == -m_hexSize ? 0 : -m_hexSize );
+		for ( int y = 0; y < maxY; y++ )
+		{
+			float X = ( x - ( ( (float)width ) / 2.0f ) ) * m_hexSize * 2;
+			float Y = ( ( y - ( maxY / 2 ) ) * m_hexSize * 2 ) + offsetY;
+			FVector2D pos( ( m_screenSize.X / 2 ) + X, ( m_screenSize.Y / 2 ) + Y );
+			float dist = FVector2D::Distance( pos, mpos );
+			if ( dist <= m_hexSize )
+			{
+				if ( !m_state )
+				{
+					skillTree->hexMap.Invert( x, y );
+					skillTree->Modify();
+					skillTree->MarkPackageDirty();
+					skillTree->PostEditChange();
+				}
+				else
+				{
+					skill->hexMap.Invert( x, y );
+					skill->Modify();
+					skill->MarkPackageDirty();
+					skill->PostEditChange();
+				}
+				handled = true;
+				Invalidate();
+				break;
+			}
+		}
+		if ( handled )
+		{
+			break;
+		}
+	}
+
+	if ( !handled && !m_state )
+	{
+		float hexmapWidth = ( m_screenSize.X / 2 ) + ( ( ( width - 1 ) - ( ( (float)width ) / 2.0f ) ) * m_hexSize * 2 );
+		hexmapWidth += m_hexSize;
+
+		uint32 minboxX = m_screenSize.X - ( ( m_screenSize.X - hexmapWidth ) );
+		uint32 maxboxX = m_screenSize.X;
+		for ( int i = 0, y = 50; i < skillTree->skills.Num(); i++, y += 20 )
+		{
+			uint32 minboxY = y;
+			uint32 maxboxY = y + 20;
+			if ( !skillTree->skills[i] ) continue;
+			if ( a_hitX >= minboxX && a_hitX <= maxboxX && a_hitY >= minboxY && a_hitY <= maxboxY )
+			{
+				m_skillTreeEditorPtr.Pin()->selectedY = i;
+				handled = true;
+				USkillObject* tmpCast = skillTree->skills[i]->GetDefaultObject<USkillObject>();
+				if ( tmpCast != NULL ) m_skillTreeEditorPtr.Pin()->SetSkillBeingEdited( tmpCast );
+			}
+		}
+	}
+
+	if ( !handled )
+	{
+		FEditorViewportClient::ProcessClick( a_view, a_hitProxy, a_key, a_event, a_hitX, a_hitY );
+	}
+}
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeEditorViewportClient.h

@@ -0,0 +1,78 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The Skill Tree Editor main viewport.
+// Can be used for editing a Skill Tree
+// and a Skill.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "SkillTreeEditorViewport.h"
+#include "SceneViewport.h"
+#include "AssetEditorModeManager.h"
+#include "PreviewScene.h"
+#include "ScopedTransaction.h"
+#include "AssetData.h"
+#include "SkillTreeObject.h"
+
+class FSkillTreeEditorViewportClient : public FEditorViewportClient
+{
+public:
+	FSkillTreeEditorViewportClient( TWeakPtr<FSkillTreeEditorViewport> a_skillTreeEditor, TWeakPtr<class SEditorViewport> a_skillTreeEditorViewportPtr );
+
+	// FViewportClient interface
+	virtual void Draw( const FSceneView* a_view, FPrimitiveDrawInterface* a_drawInterface ) override;
+	virtual void DrawCanvas( FViewport& a_viewport, FSceneView& a_view, FCanvas& a_canvas ) override;
+	virtual void Tick( float a_deltaSeconds ) override;
+	// End of FViewportClient interface
+
+	// FEditorViewportClient interface
+	virtual void ProcessClick( FSceneView& a_view, HHitProxy* a_hitProxy, FKey a_key, EInputEvent a_event, uint32 a_hitX, uint32 a_hitY ) override;
+	virtual void MouseMove( FViewport* a_viewport, int32 a_mouseX, int32 a_mouseY ) override;
+	virtual FLinearColor GetBackgroundColor() const override;
+	// End of FEditorViewportClient interface
+
+	//virtual void RequestFocusOnSelection( bool a_instant );
+
+	void EnterViewMode() { InternalActivateNewMode( ); }
+
+	bool IsInViewMode() const { return true; }
+
+	void UpdateRelatedSpritesList();
+
+	void ActivateEditMode();
+
+	// Set the current state of the Viewport.
+	void IsSkill( bool a_state )
+	{
+		m_state = a_state;
+	}
+
+private:
+	// The ID of the current hovered Skill.
+	int32 m_hoverY = -1;
+	// The current state of the Viewport.
+	// True = Skill
+	// False = Skill Tree
+	bool m_state = false;
+	
+	// The Viewport screen size.
+	FIntPoint m_screenSize;
+
+	// The preview scene.
+	FPreviewScene m_ownedPreviewScene;
+
+	// Skill Tree Editor that owns this viewport.
+	TWeakPtr<FSkillTreeEditorViewport> m_skillTreeEditorPtr;
+
+	// Pointer back to the Skill Tree viewport control that owns this.
+	TWeakPtr<class SEditorViewport> m_skillTreeEditorViewportPtr;
+
+	// The radius of the Hexagons.
+	float m_hexSize = 20;
+
+	void InternalActivateNewMode();
+
+};

Plugins/SkillTree/Source/SkillTreeEditor/Private/SkillTreeFactory.cpp

@@ -0,0 +1,29 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+
+#include "SkillTreeEditorPrivatePCH.h"
+#include "SkillTreeFactory.h"
+#include "SkillTreeObject.h"
+#include "AssetRegistryModule.h"
+#include "PackageTools.h"
+
+#define LOCTEXT_NAMESPACE "SkillTree"
+
+USkillTreeFactory::USkillTreeFactory( const FObjectInitializer& ObjectInitializer )
+	: Super( ObjectInitializer )
+{
+	bCreateNew = true;
+	bEditAfterNew = true;
+	SupportedClass = USkillTreeObject::StaticClass();
+}
+
+UObject* USkillTreeFactory::FactoryCreateNew( UClass* a_class, UObject* a_parent, FName a_name, EObjectFlags a_flags, UObject* a_context, FFeedbackContext* a_warn )
+{
+	USkillTreeObject* newSkillTree = NewObject<USkillTreeObject>( a_parent, a_class, a_name, a_flags | RF_Transactional );
+
+	return newSkillTree;
+}
+
+#undef LOCTEXT_NAMESPACE

Plugins/SkillTree/Source/SkillTreeEditor/Public/ISkillTreeEditor.h

@@ -0,0 +1,27 @@
+// Project Lab - NHTV IGAD
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The Skill Tree Editor Module Interface.
+//////////////////////////////////////////
+
+#pragma once
+
+#include "ModuleManager.h"
+
+class ISkillTreeEditor : public IModuleInterface
+{
+public:
+	//Function to Get the Singleton of this Module if it's loaded.
+	static inline ISkillTreeEditor& Get()
+	{
+		return FModuleManager::LoadModuleChecked< ISkillTreeEditor >( "SkillTreeEditor" );
+	}
+
+	//Function to check if the Module is loaded.
+	static inline bool IsAvailable()
+	{
+		return FModuleManager::Get().IsModuleLoaded( "SkillTreeEditor" );
+	}
+};
+

Plugins/SkillTree/Source/SkillTreeEditor/SkillTreeEditor.Build.cs

@@ -0,0 +1,23 @@
+//////////////////////////////////////////
+// Author: Yoshi van Belkom - 130118
+//////////////////////////////////////////
+// The Skill Tree Editor Module Settings.
+//////////////////////////////////////////
+
+namespace UnrealBuildTool.Rules
+{
+	public class SkillTreeEditor : ModuleRules
+	{
+		public SkillTreeEditor(TargetInfo Target)
+		{
+
+            PrivateIncludePaths.Add("SkillTreeEditor/Private");
+
+            PrivateIncludePathModuleNames.AddRange(new string[] { "AssetTools" });
+
+            PrivateDependencyModuleNames.AddRange(new string[] { "SkillTree", "Core", "CoreUObject", "Engine", "InputCore",  "Slate", "UnrealEd", "SlateCore", "EditorStyle", "Kismet", "PropertyEditor", "KismetWidgets", "ContentBrowser", "WorkspaceMenuStructure", "EditorWidgets" });
+
+            DynamicallyLoadedModuleNames.AddRange(new string[] { "AssetTools" });
+		}
+	}
+}