WIP: Boostrapping NetSlime

- Just a old name for a set of changes to make the game framework hardened for multiplayer as well as some ease of use functionality.

Project/Gasa.uproject

@@ -301,10 +301,6 @@
 			"Name": "VisualStudioSourceCodeAccess",
 			"Enabled": true
 		},
-		{
-			"Name": "GitSourceControl",
-			"Enabled": true
-		},
 		{
 			"Name": "SlateInsights",
 			"Enabled": true

Project/Saved/UnrealBuildTool/BuildConfiguration.xml

@@ -1,3 +1,5 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <Configuration xmlns="https://www.unrealengine.com/BuildConfiguration">
+	<bUsePCHFiles>false</bUsePCHFiles>
+	
 </Configuration>

Project/Source/Gasa/AbilitySystem/GasaAttributeSet.cpp

@@ -8,34 +8,31 @@
 
 UGasaAttributeSet::UGasaAttributeSet()
 {
-	InitHealth( 50.f );
+	InitHealth( 100.f );
 	InitMaxHealth( 100.f );
 	InitMana( 50.f );
 	InitMaxMana( 50.f );
 }
-#pragma region Rep Notifies
 
+#pragma region Rep Notifies
 void UGasaAttributeSet::Client_OnRep_Health( FGameplayAttributeData& PrevHealth )
 {
 	// From GAMEPLAYATTRIBUTE_REPNOTIFY
 	static FProperty* UGasaAttributeSetProperty = FindFieldChecked<FProperty>( StaticClass(), GET_MEMBER_NAME_CHECKED( UGasaAttributeSet, Health ) );
 	GetOwningAbilitySystemComponentChecked()->SetBaseAttributeValueFromReplication( FGameplayAttribute( UGasaAttributeSetProperty ), Health, PrevHealth );
 }
-
 void UGasaAttributeSet::Client_OnRep_MaxHealth( FGameplayAttributeData& PrevMaxHealth )
 {
 	// From GAMEPLAYATTRIBUTE_REPNOTIFY
 	static FProperty* UGasaAttributeSetProperty = FindFieldChecked<FProperty>( StaticClass(), GET_MEMBER_NAME_CHECKED( UGasaAttributeSet, MaxHealth ) );
 	GetOwningAbilitySystemComponentChecked()->SetBaseAttributeValueFromReplication( FGameplayAttribute( UGasaAttributeSetProperty ), MaxHealth, PrevMaxHealth );
 }
-
 void UGasaAttributeSet::Client_OnRep_Mana( FGameplayAttributeData& PrevMana )
 {
 	// From GAMEPLAYATTRIBUTE_REPNOTIFY
 	static FProperty* UGasaAttributeSetProperty = FindFieldChecked<FProperty>( StaticClass(), GET_MEMBER_NAME_CHECKED( UGasaAttributeSet, Mana ) );
 	GetOwningAbilitySystemComponentChecked()->SetBaseAttributeValueFromReplication( FGameplayAttribute( UGasaAttributeSetProperty ), Mana, PrevMana );
 }
-
 void UGasaAttributeSet::Client_OnRep_MaxMana( FGameplayAttributeData& PrevMaxMana )
 {
 	// From GAMEPLAYATTRIBUTE_REPNOTIFY
@@ -43,6 +40,7 @@ void UGasaAttributeSet::Client_OnRep_MaxMana( FGameplayAttributeData& PrevMaxMan
 	GetOwningAbilitySystemComponentChecked()->SetBaseAttributeValueFromReplication( FGameplayAttribute( UGasaAttributeSetProperty ), MaxMana, PrevMaxMana );
 }
 #pragma endregion Rep Notifies
+
 void UGasaAttributeSet::GetLifetimeReplicatedProps( TArray<FLifetimeProperty>& OutLifetimeProps ) const
 {
 	Super::GetLifetimeReplicatedProps( OutLifetimeProps );

Project/Source/Gasa/AbilitySystem/GasaAttributeSet.h

@@ -23,6 +23,7 @@ public:
 
 	UGasaAttributeSet();
 
+
 	UFUNCTION()
 	void Client_OnRep_Health( FGameplayAttributeData& PrevHealth );
 	UFUNCTION()

Project/Source/Gasa/AbilitySystem/GasaAttributeSet_Inlines.h

@@ -4,6 +4,7 @@
 #include "GasaAttributeSet.h"
 #include "AbilitySystemComponent.h"
 
+#pragma region Attribute Setters
 FORCEINLINE
 void UGasaAttributeSet::SetHealth( float NewVal )
 {
@@ -40,6 +41,7 @@ void UGasaAttributeSet::SetMaxMana( float NewVal )
 		AbilityComp->SetNumericAttributeBase( GetMaxManaAttribute(), NewVal );
 	};
 }
+#pragma endregion Attribute Setters
 
 namespace Gasa
 {

Project/Source/Gasa/AbilitySystem/GasaEffectActor.cpp

@@ -10,13 +10,13 @@ AGasaEffectActor::AGasaEffectActor()
 	RootComponent = CreateDefaultSubobject<USceneComponent>("Root");
 }
 
-void AGasaEffectActor::ApplyEffectToTarget(AActor* Target, TSubclassOf<UGameplayEffect> EffectClass)
+void AGasaEffectActor::ApplyEffectToActor(AActor* Actor, TSubclassOf<UGameplayEffect> EffectClass)
 {
-	UGasaAbilitySystemComp* AS = GetAbilitySystem(Target, true);
+	UGasaAbilitySystemComp* AS = GetAbilitySystem(Actor, true);
 
 	FGameplayEffectContextHandle
 	Context = AS->MakeEffectContext();
-	Context.AddSourceObject(Target);
+	Context.AddSourceObject(Actor);
 	
 	FGameplayEffectSpecHandle Spec = AS->MakeOutgoingSpec( EffectClass, 1.0f, Context );
 	AS->ApplyGameplayEffectSpecToSelf( * Spec.Data );

Project/Source/Gasa/AbilitySystem/GasaEffectActor.h

@@ -1,19 +1,23 @@
 #pragma once
 
 #include "GasaCommon.h"
+#include "Actors/GasaActor.h"
+#include "GameFramework/Actor.h"
+
 #include "GasaEffectActor.generated.h"
 
-
 UCLASS()
-class GASA_API AGasaEffectActor : public AActor
+class GASA_API AGasaEffectActor : public AGasaActor
 {
 	GENERATED_BODY()
 public:
 
-	UPROPERTY(EditAnywhere, Category = "Applied Effects")
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Gameplay Effects")
 	TSoftClassPtr<UGameplayEffect> InstantEffectClass;
 	
 	AGasaEffectActor();
 
-	void ApplyEffectToTarget(AActor* Target, TSubclassOf<UGameplayEffect> EffectClass );
+	UFUNCTION(BlueprintCallable, Category = "Gameplay Effects")
+	void ApplyEffectToActor(AActor* Actor, TSubclassOf<UGameplayEffect> EffectClass );
 };
+

Project/Source/Gasa/AbilitySystem/GasaEffectActorDemo.cpp

@@ -4,6 +4,7 @@
 #include "GasaAttributeSet.h"
 #include "GasaAttributeSet_Inlines.h"
 #include "Components/SphereComponent.h"
+#include "Components/StaticMeshComponent.h"
 
 
 AGasaEffectActorDemo::AGasaEffectActorDemo()

Project/Source/Gasa/AbilitySystem/GasaEffectActorDemo.h

@@ -1,12 +1,14 @@
 #pragma once
 
 #include "GasaCommon.h"
+#include "Actors/GasaActor.h"
+#include "GameFramework/Actor.h"
 
 #include "GasaEffectActorDemo.generated.h"
 
 // Old demonstration code used before part 37.
 UCLASS()
-class GASA_API AGasaEffectActorDemo : public AActor
+class GASA_API AGasaEffectActorDemo : public AGasaActor
 {
 	GENERATED_BODY()
 public:

Project/Source/Gasa/Actors/CameraMount.h

@@ -1,10 +1,12 @@
 #pragma once
 
+#include "GasaActor.h"
 #include "GasaCommon.h"
+#include "GameFramework/Actor.h"
 #include "CameraMount.generated.h"
 
 UCLASS(Blueprintable)
-class GASA_API ACameraMount : public AActor
+class GASA_API ACameraMount : public AGasaActor
 {
 	GENERATED_BODY()
 public:

Project/Source/Gasa/Actors/GasaActor.h

@@ -0,0 +1,33 @@
+#pragma once
+#include "Networking/GasaNetLibrary.h"
+#include "GameFramework/Actor.h"
+
+#include "GasaActor.generated.h"
+
+UCLASS()
+class GASA_API AGasaActor : public AActor
+{
+	GENERATED_BODY()
+public:
+#pragma region NetSlime
+	// NetSlime interface is generated by GasaGen/GasaGen_NetSlime.cpp
+	FORCEINLINE ENetworkMode GetNetworkMode() const { return Gasa::GetNetworkMode( this ); }
+	FORCEINLINE bool IsClient()               const { return Gasa::IsClient( this ); }
+	FORCEINLINE bool IsListenServer()         const { return Gasa::IsListenServer( this ); }
+	FORCEINLINE bool IsNetOwner()             const { return Gasa::IsNetOwner( this ); }
+	FORCEINLINE bool IsServer()               const { return Gasa::IsServer( this ); }
+	FORCEINLINE bool IsSimulatedProxy()       const { return Gasa::IsSimulatedProxy( this ); }
+	FORCEINLINE void NetLog(
+	    FString           Message,
+	    EGasaVerbosity    Verbosity = EGasaVerbosity::Log,
+	    FLogCategoryBase& Category  = LogGasaNet,
+	    bool              DumpStack = false,
+	    int32             Line      = __builtin_LINE(),
+	    ANSICHAR const*   File      = __builtin_FILE(),
+	    ANSICHAR const*   Func      = __builtin_FUNCTION()
+	)
+	{
+		Gasa::NetLog( this, Message, Verbosity, Category, DumpStack, Line, File, Func );
+	}
+#pragma endregion NetSlime
+};

Project/Source/Gasa/Characters/GasaCharacter.cpp

@@ -9,7 +9,10 @@
 
 #include "AbilitySystem/GasaAbilitySystemComponent.h"
 #include "AbilitySystem/GasaAttributeSet.h"
+#include "Components/SkeletalMeshComponent.h"
+#include "Engine/PostProcessVolume.h"
 #include "Game/GasaLevelScriptActor.h"
+#include "Materials/MaterialInstanceDynamic.h"
 
 void AGasaCharacter::SetHighlight(EHighlight Desired)
 {

Project/Source/Gasa/Characters/GasaCharacter.h

@@ -5,6 +5,7 @@
 
 #include "GasaCommon.h"
 #include "Game/GasaPlayerState.h"
+#include "Networking/GasaNetLibrary.h"
 
 #include "GasaCharacter.generated.h"
 
@@ -59,6 +60,28 @@ public:
 	AGasaCharacter();
 
 	FORCEINLINE AGasaPlayerState* GetGasaPlayerState() { return GetPlayerState<AGasaPlayerState>(); }
+
+#pragma region NetSlime
+	// NetSlime interface is generated by GasaGen/GasaGen_NetSlime.cpp
+	FORCEINLINE ENetworkMode GetNetworkMode() const { return Gasa::GetNetworkMode( this ); }
+	FORCEINLINE bool IsClient()               const { return Gasa::IsClient( this ); }
+	FORCEINLINE bool IsListenServer()         const { return Gasa::IsListenServer( this ); }
+	FORCEINLINE bool IsNetOwner()             const { return Gasa::IsNetOwner( this ); }
+	FORCEINLINE bool IsServer()               const { return Gasa::IsServer( this ); }
+	FORCEINLINE bool IsSimulatedProxy()       const { return Gasa::IsSimulatedProxy( this ); }
+	FORCEINLINE void NetLog(
+	    FString           Message,
+	    EGasaVerbosity    Verbosity = EGasaVerbosity::Log,
+	    FLogCategoryBase& Category  = LogGasaNet,
+	    bool              DumpStack = false,
+	    int32             Line      = __builtin_LINE(),
+	    ANSICHAR const*   File      = __builtin_FILE(),
+	    ANSICHAR const*   Func      = __builtin_FUNCTION()
+	)
+	{
+		Gasa::NetLog( this, Message, Verbosity, Category, DumpStack, Line, File, Func );
+	}
+#pragma endregion NetSlime
 	
 #pragma region IAbilitySystem
 	FORCEINLINE UAttributeSet*           GetAttributes()                            { return Attributes; }

Project/Source/Gasa/Characters/PlayerCharacter.cpp

@@ -25,10 +25,13 @@ void APlayerCharacter::PossessedBy(AController* NewController)
 		AbilitySystem->InitAbilityActorInfo(PS, this);
 	}
 
-	AGasaPlayerController* PC   = GetController<AGasaPlayerController>();
-	AGasaHUD*              HUD  = PC->GetHUD<AGasaHUD>();
-	FWidgetControllerData  Data = { PC, PS, AbilitySystem, Attributes };
-	HUD->InitHostWidget(& Data);
+	if (IsLocallyControlled())
+	{
+		AGasaPlayerController* PC   = GetController<AGasaPlayerController>();
+		AGasaHUD*              HUD  = PC->GetHUD<AGasaHUD>();
+		FWidgetControllerData  Data = { PC, PS, AbilitySystem, Attributes };
+		HUD->InitHostWidget(& Data);
+	}
 }
 
 // TODO(Ed): We need to setup Net Slime...

Project/Source/Gasa/Game/GasaGameInstance.cpp

@@ -1,5 +1,84 @@
 #include "GasaGameInstance.h"
 
+#include "Engine/NetDriver.h"
+#include "Engine/World.h"
+using namespace Gasa;
+
+#pragma region GameFramework
+// TODO(Ed): Make a NetLog
+
+void UGasaGameInstance::NotifyGameFrameworkClassReady(EGameFrameworkClassFlag ClassReady)
+{
+	switch (ClassReady)
+	{
+		case EGameFrameworkClassFlag::GameMode:
+			GameFrameworkClassesState |= (uint32)EGameFrameworkClassFlag::GameMode;
+			NetLog("Gameplay Framework class ready: Game State", ELogV::Log, LogGasaNet );
+		break;
+		case EGameFrameworkClassFlag::GameState:
+			GameFrameworkClassesState |= (uint32)EGameFrameworkClassFlag::GameState;
+			NetLog("Gameplay Framework class ready: Game State", ELogV::Log, LogGasaNet );
+		break;
+		case EGameFrameworkClassFlag::PlayerController:
+			GameFrameworkClassesState |= (uint32)EGameFrameworkClassFlag::PlayerController;
+			NetLog("Gameplay Framework class ready: Player Controller", ELogV::Log, LogGasaNet);
+		break;
+		case EGameFrameworkClassFlag::PlayerState:
+			GameFrameworkClassesState |= (uint32)EGameFrameworkClassFlag::PlayerState;
+			NetLog("Gameplay Framework class ready: Player State", ELogV::Log, LogGasaNet);
+		break;
+		case EGameFrameworkClassFlag::Levels:
+			GameFrameworkClassesState |= (uint32)EGameFrameworkClassFlag::Levels;
+			NetLog("Gameplay Framework class ready: Levels", ELogV::Log, LogGasaNet);
+		break;
+	}
+	ProcessGameFrameworkState();
+}
+
+void UGasaGameInstance::ProcessGameFrameworkState()
+{
+	switch (GameFrameworkState)
+	{
+		case EGameFrameworkState::Uninitialized:
+		{
+			uint32 InitializedFlags =
+				(uint32)EGameFrameworkClassFlag::GameState        |
+				(uint32)EGameFrameworkClassFlag::PlayerController |
+				(uint32)EGameFrameworkClassFlag::PlayerState      |
+				(uint32)EGameFrameworkClassFlag::Levels
+			;
+
+			if (GetWorld()->NetDriver == nullptr || GetWorld()->NetDriver->IsServer())
+			{
+				InitializedFlags |= (uint32)EGameFrameworkClassFlag::GameMode;
+			}
+
+			FString MsgGM = "GameMode        : " + FString::FromInt( Bitfield_IsSet( GameFrameworkClassesState, scast(uint32, EGameFrameworkClassFlag::GameMode )) );
+			FString MsgGS = "GameState       : " + FString::FromInt( Bitfield_IsSet( GameFrameworkClassesState, scast(uint32, EGameFrameworkClassFlag::GameState )) );
+			FString MsgPC = "PlayerController: " + FString::FromInt( Bitfield_IsSet( GameFrameworkClassesState, scast(uint32, EGameFrameworkClassFlag::PlayerController ) ));
+			FString MsgPS = "PlayerState     : " + FString::FromInt( Bitfield_IsSet( GameFrameworkClassesState, scast(uint32, EGameFrameworkClassFlag::PlayerState ) ));
+			FString MsgL  = "Levels          : " + FString::FromInt( Bitfield_IsSet( GameFrameworkClassesState, scast(uint32, EGameFrameworkClassFlag::Levels ) ));
+
+			NetLog(MsgGM, ELogV::Log, LogGasaNet);
+			NetLog(MsgGS, ELogV::Log, LogGasaNet);
+			NetLog(MsgPC, ELogV::Log, LogGasaNet);
+			NetLog(MsgPS, ELogV::Log, LogGasaNet);
+			NetLog(MsgL,  ELogV::Log, LogGasaNet);
+			
+			if (GameFrameworkClassesState == InitializedFlags)
+			{
+				GameFrameworkState = EGameFrameworkState::Initialized;
+				NetLog("Gameplay Framework initialized");
+				
+				Event_OnGameFrameworkInitialized.Broadcast();
+			}
+			break;
+		}
+	}
+}
+#pragma endregion GameFramework
+
+#pragma region GameInstance
 void UGasaGameInstance::Init()
 {
 	Super::Init();
@@ -7,5 +86,6 @@ void UGasaGameInstance::Init()
 	DevOptionsCache.CachedDevOptions();
 
 	using namespace Gasa;
-	Log(FString::Printf(TEXT("UObject Size:  %d RT: %d"), sizeof(UObject), UObject::StaticClass()->PropertiesSize ));
+	NetLog(FString::Printf(TEXT("UObject Size:  %d RT: %d"), sizeof(UObject), UObject::StaticClass()->PropertiesSize ));
 }
+#pragma region GameInstance

Project/Source/Gasa/Game/GasaGameInstance.h

@@ -1,10 +1,32 @@
 #pragma once
 
-#include "GasaCommon.h"
+#include "Networking/GasaNetLibrary.h"
 #include "GasaDevOptionsCache.h"
+#include "Engine/Engine.h"
 
+#include "Engine/GameInstance.h"
 #include "GasaGameInstance.generated.h"
 
+UENUM(BlueprintType)
+enum class EGameFrameworkClassFlag : uint8
+{
+	None             = 0 UMETA(Hidden),
+	GameMode         = 1 << 0,
+	GameState        = 1 << 1,
+	PlayerController = 1 << 2,
+	PlayerState      = 1 << 3,
+	Levels           = 1 << 4
+};
+
+UENUM(BlueprintType)
+enum class EGameFrameworkState : uint8
+{
+	Initialized,
+	Uninitialized
+};
+
+DECLARE_DYNAMIC_MULTICAST_DELEGATE(FOnGameFrameworkInitializedSig);
+
 UCLASS(Blueprintable)
 class GASA_API UGasaGameInstance : public UGameInstance
 {
@@ -14,6 +36,55 @@ public:
 	UPROPERTY(VisibleAnywhere, Category="Dev Cache")
 	FGasaDevOptionsCache DevOptionsCache;
 
+#pragma region GameFramework
+	UPROPERTY(BlueprintAssignable, Category = "GameFramework")
+	FOnGameFrameworkInitializedSig Event_OnGameFrameworkInitialized;
+	
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "GameFramework")
+	EGameFrameworkState GameFrameworkState;
+
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "GameFramework", meta=(Bitmask, BitmaskEnum = EGameFrameworkClassFlag))
+	int32 GameFrameworkClassesState;
+
+	UFUNCTION(BlueprintCallable, Category="GameFramework")
+	void ClearGameplayFrameworkState() 	{
+		Gasa::Log("Clearing game framework state", EGasaVerbosity::Log, LogGasaNet ); // TODO(Ed): Make a default NetLog
+		GameFrameworkClassesState = scast(int32, EGameFrameworkClassFlag::None);
+		GameFrameworkState        = EGameFrameworkState::Uninitialized;
+	}
+
+	UFUNCTION(BlueprintCallable, BlueprintPure, Category = "GameFramework")
+	FORCEINLINE bool IsGameFrameworkInitialized() { return GameFrameworkState == EGameFrameworkState::Initialized; }
+	
+	UFUNCTION(BlueprintCallable, Category="GameFramework")
+	void NotifyGameFrameworkClassReady(EGameFrameworkClassFlag ClassReady);
+
+	UFUNCTION(BlueprintCallable, Category = "GameFramework", meta=(BlueprintProtected))
+	void ProcessGameFrameworkState();
+#pragma endregion GameFramework
+
+#pragma region NetSlime
+	// NetSlime interface is generated by GasaGen/GasaGen_NetSlime.cpp
+	FORCEINLINE ENetworkMode GetNetworkMode() const { return Gasa::GetNetworkMode( this ); }
+	FORCEINLINE bool IsClient()               const { return Gasa::IsClient( this ); }
+	FORCEINLINE bool IsListenServer()         const { return Gasa::IsListenServer( this ); }
+	FORCEINLINE bool IsNetOwner()             const { return Gasa::IsNetOwner( this ); }
+	FORCEINLINE bool IsServer()               const { return Gasa::IsServer( this ); }
+	FORCEINLINE bool IsSimulatedProxy()       const { return Gasa::IsSimulatedProxy( this ); }
+	FORCEINLINE void NetLog(
+		FString           Message,
+		EGasaVerbosity    Verbosity = EGasaVerbosity::Log,
+		FLogCategoryBase& Category  = LogGasaNet,
+		bool              DumpStack = false,
+		int32             Line      = __builtin_LINE(),
+		ANSICHAR const*   File      = __builtin_FILE(),
+		ANSICHAR const*   Func      = __builtin_FUNCTION()
+	)
+	{
+		Gasa::NetLog( this, Message, Verbosity, Category, DumpStack, Line, File, Func );
+	}
+#pragma endregion NetSlime
+
 #pragma region GameInstance
 	void Init() override;
 #pragma endregion GameInstance

Project/Source/Gasa/Game/GasaGameMode.cpp

@@ -1,2 +1,454 @@
 #include "GasaGameMode.h"
 
+#include "GasaGameInstance.h"
+#include "GasaGameState.h"
+#include "GasaPlayerController.h"
+#include "GasaPlayerState.h"
+#include "Engine/Player.h"
+#include "GameFramework/GameSession.h"
+#include "GameFramework/GameState.h"
+#include "GameFramework/PlayerState.h"
+#include "OnlineSubsystem.h"
+using namespace Gasa;
+
+#pragma region Game Framework
+void AGasaGameMode::OnGameFrameworkInitialized()
+{
+	NetLog("OnGameFrameworkInitialized");
+	
+	BP_OnGameFrameworkInitialized();
+	if (MatchState == MatchState::WaitingToStart && ReadyToStartMatch())
+		StartMatch();
+}
+
+void AGasaGameMode::OwningClient_OnGameFrameworkInitialized(AGasaPlayerController* PC)
+{
+	NetLog("OwningClient_OnGameFrameworkInitialized");
+	HandleStartingNewPlayer(PC);
+}
+#pragma endregion Game Framework
+
+#pragma region GameMode
+void AGasaGameMode::HandleStartingNewPlayer_Implementation(APlayerController* NewPlayer)
+{
+	Super::HandleStartingNewPlayer_Implementation(NewPlayer);
+	if (NewPlayer)
+		NewPlayer->bBlockInput = false;
+}
+
+bool AGasaGameMode::ReadyToStartMatch_Implementation()
+{
+	if ( ! GetGameInstance<UGasaGameInstance>()->IsGameFrameworkInitialized()) 
+	{
+		return false;
+	}
+	
+	// Super::ReadyToStartMatch();
+	{
+		// If bDelayed Start is set, wait for a manual match start
+		if (bDelayedStart)
+		{
+			return false;
+		}
+
+		// By default start when we have > 0 players
+		if (GetMatchState() == MatchState::WaitingToStart)
+		{
+			if (NumPlayers + NumBots > 0)
+			{
+				return true;
+			}
+		}
+		return false;
+	}
+}
+#pragma endregion GameMode
+
+#pragma region GameModeBase
+void AGasaGameMode::EndPlay(const EEndPlayReason::Type EndPlayReason)
+{
+	Super::EndPlay(EndPlayReason);
+	NetLog("EndPlay");
+}
+
+void AGasaGameMode::GenericPlayerInitialization(AController* C)
+{
+	NetLog("GenericPlayerInitialization: " + C->GetName());
+	
+	// AGameMode::GenericPlayerInitialization(C);
+	{
+		APlayerController* PC = Cast<APlayerController>(C);
+		if (PC != nullptr)
+		{
+			// Moved to: void AGasaGameMode::SetPlayerDefaults(APawn* PlayerPawn)
+			// InitializeHUDForPlayer(Cast<APlayerController>(C));
+				
+			// Notify the game that we can now be muted and mute others
+			UpdateGameplayMuteList(PC);
+
+			if (GameSession != nullptr)
+			{
+				// Tell the player to enable voice by default or use the push to talk method
+				PC->ClientEnableNetworkVoice(!GameSession->RequiresPushToTalk());
+			}
+
+			ReplicateStreamingStatus(PC);
+
+			bool HidePlayer = false, HideHUD = false, DisableMovement = false, DisableTurning = false;
+
+			// Check to see if we should start in cinematic mode (matinee movie capture)
+			if (ShouldStartInCinematicMode(PC, HidePlayer, HideHUD, DisableMovement, DisableTurning))
+			{
+				PC->SetCinematicMode(true, HidePlayer, HideHUD, DisableMovement, DisableTurning);
+			}
+		}
+	}
+}
+
+TSubclassOf<APlayerController> AGasaGameMode::GetPlayerControllerClassToSpawnForSeamlessTravel(APlayerController* PreviousPlayerController)
+{
+	NetLog("GetPlayerControllerClassToSpawnForSeamlessTravel: " + PreviousPlayerController->GetName());
+	return Super::GetPlayerControllerClassToSpawnForSeamlessTravel(PreviousPlayerController);
+}
+
+void AGasaGameMode::HandleSeamlessTravelPlayer(AController*& Controller)
+{
+	NetLog("HandleSeamlessTravelPlayer: " + Controller->GetName());
+	
+	// Super::HandleSeamlessTravelPlayer( C );
+
+	UE_LOG(LogGameMode, Log, TEXT(">> GameMode::HandleSeamlessTravelPlayer: %s "), * Controller->GetName());
+
+	APlayerController* PC             = Cast<APlayerController>(Controller);
+	UClass*            PCClassToSpawn = GetPlayerControllerClassToSpawnForSeamlessTravel(PC);
+	// FUniqueNetIdRepl StoredNativePlatformUniqueNetId = C->GetPlayerState<AGasaPlayerState>()->NativePlatformUniqueNetId;
+
+	if (PC && PC->GetClass() != PCClassToSpawn)
+	{
+		if (PC->Player != nullptr)
+		{
+			// We need to spawn a new PlayerController to replace the old one
+			APlayerController* const NewPC = SpawnPlayerControllerCommon(PC->IsLocalPlayerController()
+				? ROLE_SimulatedProxy
+				: ROLE_AutonomousProxy, PC->GetFocalLocation(), PC->GetControlRotation(), PCClassToSpawn);
+			if (NewPC == nullptr)
+			{
+				NetLog(FString::Printf(
+					TEXT("Failed to spawn new PlayerController for %s (old class %s)"), *PC->GetHumanReadableName(), *PC->GetClass()->GetName())
+					, ELogV::Warning
+				);
+				PC->Destroy();
+				return;
+			}
+			else
+			{
+				PC->SeamlessTravelTo(NewPC);
+				NewPC->SeamlessTravelFrom(PC);
+				SwapPlayerControllers(PC, NewPC);
+				PC = NewPC;
+				Controller = NewPC;
+			}
+		}
+		else
+		{
+			PC->Destroy();
+		}
+	}
+	else
+	{
+		// clear out data that was only for the previous game
+		Controller->PlayerState->Reset();
+		// create a new PlayerState and copy over info; this is necessary because the old GameMode may have used a different PlayerState class
+		APlayerState* OldPlayerState = Controller->PlayerState;
+		Controller->InitPlayerState();
+		OldPlayerState->SeamlessTravelTo( Controller->PlayerState);
+		// we don"t need the old PlayerState anymore
+		//@fixme: need a way to replace PlayerStates that doesn't cause incorrect "player left the game"/"player entered the game" messages
+		OldPlayerState->Destroy();
+	}
+
+	InitSeamlessTravelPlayer(Controller);
+
+	// Initialize hud and other player details, shared with PostLogin
+	GenericPlayerInitialization(Controller);
+	
+	if (AGasaGameState* GS = GetGameState<AGasaGameState>())
+	{
+#if 0
+		UGasaGameInstance* GI = GetGameInstance<UGasaGameInstance>();
+		int32 NumConnections = GI->SessionSettings.bPublicGame
+			? GI->SessionSettings.PublicConnections
+			: GI->SessionSettings.PrivateConnections;
+		if (GS->OnlinePlayers.Num() < NumConnections)
+			GS->OnlinePlayers.Init( nullptr, NumConnections );
+		
+		for (AGasaPlayerState* & PS : GS->OnlinePlayers)
+		{
+			if (PS == nullptr)
+			{
+				PS = C->GetPlayerState<ASlipgatePlayerState>();
+				PS->SgID = GS->OnlinePlayers.Find( PS );
+				break;
+			}
+		}
+#endif
+	}
+
+	// Controller->GetPlayerState<AGasaPlayerState>()->NativePlatformUniqueNetId = StoredNativePlatformUniqueNetId;
+	NetLog(FString::Printf(TEXT("HandleSeamlessTravelPlayer: %s"), * Controller->GetName()) );
+
+#if 0
+	if (PC)
+		PC->Event_NetOwner_OnGameplayFrameworkInitialized.AddDynamic(this, &ThisClass::OwningClient_OnGameFrameworkInitialized);
+#endif
+}
+
+void AGasaGameMode::InitializeHUDForPlayer_Implementation(APlayerController* NewPlayer)
+{
+	// Super::InitializeHUDForPlayer_Implementation(NewPlayer);
+	NewPlayer->ClientSetHUD(HUDClass);
+}
+
+void AGasaGameMode::InitSeamlessTravelPlayer(AController* NewController)
+{
+	if (NewController)
+		NewController->bBlockInput = true;
+	
+	// GameMode::InitSeamlessTravelPlayer(NewController);
+	{
+		// AGameModeBase::InitSeamlessTravelPlayer(NewController);
+		{
+			APlayerController* NewPC = Cast<APlayerController>(NewController);
+
+			FString ErrorMessage;
+			if (!UpdatePlayerStartSpot(NewController, TEXT(""), ErrorMessage))
+				NetLog(FString::Printf( TEXT("InitSeamlessTravelPlayer: %s"), *ErrorMessage), ELogV::Warning);
+
+			if (NewPC != nullptr)
+			{
+				NewPC->PostSeamlessTravel();
+
+				if (MustSpectate(NewPC))
+				{
+					NewPC->StartSpectatingOnly();
+				}
+				else
+				{
+					NewPC->bPlayerIsWaiting = true;
+					NewPC->ChangeState(NAME_Spectating);
+					NewPC->ClientGotoState(NAME_Spectating);
+				}
+			}
+		}
+
+		APlayerController* NewPC = Cast<APlayerController>(NewController);
+
+		if (NewPC != nullptr)
+		{
+			SetSeamlessTravelViewTarget(NewPC);
+
+			if (!MustSpectate(NewPC))
+			{
+				NumPlayers++;
+				NumTravellingPlayers--;
+			}
+		}
+		else
+		{
+			NumBots++;
+		}
+	}
+	NetLog("InitSeamlessTravelPlayer: " + NewController->GetName());
+}
+
+void AGasaGameMode::HandleMatchAborted()
+{
+	Super::HandleMatchAborted();
+	NetLog("HandleMatchAborted");
+}
+
+void AGasaGameMode::Logout(AController* Exiting)
+{
+	Super::Logout(Exiting);
+
+	Event_OnLogout.Broadcast(Cast<AGasaPlayerController>(Exiting));
+	NetLog("User Logged out: " + Exiting->GetName());
+
+	if (AGasaGameState* GS = Cast<AGasaGameState>(GetWorld()->GetGameState()))
+	{
+#if 0
+		int32 Index = GS->OnlinePlayers.Find(Exiting->GetPlayerState<AGasaGameState>());
+		if (Index == INDEX_NONE)
+		{
+			NetLog("Could not find exiting player state in online players!", ELogV::Error);
+			return;
+		}
+		GS->OnlinePlayers[Index] = nullptr;
+#endif
+
+#if 0
+		IOnlineSessionPtr const SessionInterface = Online::GetSessionInterface(GetWorld());
+		if ( ! SessionInterface.IsValid())
+		{
+			NetLog("DestoryCurrentSession: Could not get the session interface.", ELogV::Warning);
+			return;
+		}
+#endif
+	}
+}
+
+void AGasaGameMode::PreLogin(const FString& Options, const FString& Address, const FUniqueNetIdRepl& UniqueId, FString& ErrorMessage)
+{
+	Super::PreLogin(Options, Address, UniqueId, ErrorMessage);
+	// TODO(Ed): Refuse players if the server is full.
+}
+
+void AGasaGameMode::PostLogin(APlayerController* NewPlayer)
+{
+	// AGameMode::PostLogin(NewPlayer);
+	{
+		UWorld* World = GetWorld();
+
+		// Update player count
+		if (MustSpectate(NewPlayer))
+			NumSpectators++;
+		else if (World->IsInSeamlessTravel() || NewPlayer->HasClientLoadedCurrentWorld())
+			NumPlayers++;
+		else
+			NumTravellingPlayers++;
+
+		// Save network address for re-associating with reconnecting player, after stripping out port number
+		FString Address = NewPlayer->GetPlayerNetworkAddress();
+		int32   Pos     = Address.Find(TEXT(":"), ESearchCase::CaseSensitive);
+
+		NewPlayer->PlayerState->SavedNetworkAddress = (Pos > 0) ? Address.Left(Pos) : Address;
+
+		// Check if this player is reconnecting and already has PlayerState
+		FindInactivePlayer(NewPlayer);	
+	}
+
+	// AGameModeBase::PostLogin(NewPlayer)
+	{
+		// Runs shared initialization that can happen during seamless travel as well
+		GenericPlayerInitialization(NewPlayer);
+
+		// Perform initialization that only happens on initially joining a server
+		NewPlayer->ClientCapBandwidth(NewPlayer->Player->CurrentNetSpeed);
+
+		if (MustSpectate(NewPlayer))
+		{
+			NewPlayer->ClientGotoState(NAME_Spectating);
+		}
+		else
+		{
+			// If NewPlayer is not only a spectator and has a valid ID, add him as a user to the replay.
+			FUniqueNetIdRepl const&
+				NewPlayerStateUniqueId = NewPlayer->PlayerState->GetUniqueId();
+			if (NewPlayerStateUniqueId.IsValid())
+			{
+				GetGameInstance()->AddUserToReplay(NewPlayerStateUniqueId.ToString());
+			}
+		}
+
+		if (GameSession)
+		{
+			GameSession->PostLogin(NewPlayer);
+		}
+	}
+
+	if (AGasaGameState* GS = GetGameState<AGasaGameState>())
+	{
+		UGasaGameInstance* GI = GetGameInstance<UGasaGameInstance>();
+		
+		// int32 numconnections = gi->sessionsettings.bpublicgame
+			// ? GI->SessionSettings.PublicConnections : GI->SessionSettings.PrivateConnections;
+
+#if 0
+		if (GS->OnlinePlayers.Num() < NumConnections)
+		{
+			GS->OnlinePlayers.Init( nullptr, NumConnections );
+		}
+		
+		for (AGasaPlayerState* & PS : GS->OnlinePlayers)
+		{
+			if (PS == nullptr)
+			{
+				PS = NewPlayer->GetPlayerState<AGasaPlayerState>();
+				PS->GasaID = GS->OnlinePlayers.Find( PS );
+				break;
+			}
+		}
+#endif
+	}
+
+	// cont. AGameModeBase::PostLogin(NewPlayer)
+	{
+		// Notify Blueprints that a new player has logged in.  Calling it here, because this is the first time that the PlayerController can take RPCs
+		DispatchPostLogin(NewPlayer);
+	}
+
+	AGasaPlayerController* PC = Cast<AGasaPlayerController>(NewPlayer);
+	// if (PC)
+	// 	PC->Event_OnNetOwner_GameplayFrameworkInitialized.AddDynamic(this, &ThisClass::OwningClient_OnGameFrameworkInitialized);
+}
+
+void AGasaGameMode::PostSeamlessTravel()
+{
+	Super::PostSeamlessTravel();
+	NetLog("PostSeamlessTravel");
+}
+
+void AGasaGameMode::SetPlayerDefaults(APawn* PlayerPawn)
+{
+	InitializeHUDForPlayer(Cast<APlayerController>(PlayerPawn->GetController()));
+	
+	// Super::SetPlayerDefaults(PlayerPawn);
+	{
+		PlayerPawn->SetPlayerDefaults();
+	}
+}
+
+void AGasaGameMode::SetSeamlessTravelViewTarget(APlayerController* PC)
+{
+	Super::SetSeamlessTravelViewTarget(PC);
+	NetLog("SetSeamlessTravelViewTarget");
+}
+
+void AGasaGameMode::StartPlay()
+{
+	if (MatchState == MatchState::EnteringMap)
+		SetMatchState(MatchState::WaitingToStart);
+	
+	// Start match is deferred until the framework is considered initialized.
+	NetLog("StartPlay");
+	
+	UGasaGameInstance* GI = GetGameInstance<UGasaGameInstance>();
+	GI->Event_OnGameFrameworkInitialized.AddDynamic(this, &ThisClass::OnGameFrameworkInitialized);
+	GI->NotifyGameFrameworkClassReady(EGameFrameworkClassFlag::GameMode);
+
+	// Not called yet, will wait for initialization of the framework.
+	//Super::StartPlay();
+}
+
+void AGasaGameMode::StartToLeaveMap()
+{
+	NetLog("StartToLeaveMap");
+	Super::StartToLeaveMap();
+}
+
+void AGasaGameMode::SwapPlayerControllers(APlayerController* OldPC, APlayerController* NewPC)
+{
+	NetLog("SwapPlayerControllers");
+	NetLog("Old: " + OldPC->GetName());
+	NetLog("New: " + NewPC->GetName());
+	
+	Super::SwapPlayerControllers(OldPC, NewPC);
+}
+
+APlayerController* AGasaGameMode::SpawnPlayerControllerCommon(ENetRole InRemoteRole, FVector const& SpawnLocation, FRotator const& SpawnRotation,
+	TSubclassOf<APlayerController> InPlayerControllerClass)
+{
+	NetLog("SpawnPlayerControllerCommon");
+	return Super::SpawnPlayerControllerCommon(InRemoteRole, SpawnLocation, SpawnRotation, InPlayerControllerClass);
+}
+#pragma endregion GameModeBase

Project/Source/Gasa/Game/GasaGameMode.h

@@ -1,28 +1,102 @@
-#pragma once
+#pragma once
 #include "GameFramework/GameMode.h"
 
 #include "GasaCommon.h"
+#include "Networking/GasaNetLibrary_Inlines.h"
+#include "Engine/Engine.h"
 
 #include "GasaGameMode.generated.h"
 
-UCLASS(Blueprintable)
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnLogoutSig, AGasaPlayerController*, PC);
+
+UCLASS( Blueprintable )
 class GASA_API AGasaGameMode : public AGameMode
 {
 	GENERATED_BODY()
 public:
+	UPROPERTY(EditAnywhere, BlueprintAssignable)
+	FOnLogoutSig Event_OnLogout;
+	
+#pragma region GameFramework
+	UFUNCTION()
+	void OnGameFrameworkInitialized();
+	
+	UFUNCTION()
+	void OwningClient_OnGameFrameworkInitialized(AGasaPlayerController* PC);
+
+	UFUNCTION(BlueprintCallable, meta=(DisplayName = "On Game Framework Initialized"))
+	void BP_OnGameFrameworkInitialized();
+#pragma endregion GameFramework
+	
+#pragma region NetSlime
+	// NetSlime interface is generated by GasaGen/GasaGen_NetSlime.cpp
+	FORCEINLINE ENetworkMode GetNetworkMode() const { return Gasa::GetNetworkMode( this ); }
+	FORCEINLINE bool IsClient()               const { return Gasa::IsClient( this ); }
+	FORCEINLINE bool IsListenServer()         const { return Gasa::IsListenServer( this ); }
+	FORCEINLINE bool IsNetOwner()             const { return Gasa::IsNetOwner( this ); }
+	FORCEINLINE bool IsServer()               const { return Gasa::IsServer( this ); }
+	FORCEINLINE bool IsSimulatedProxy()       const { return Gasa::IsSimulatedProxy( this ); }
+	FORCEINLINE void NetLog(
+		FString           Message,
+		EGasaVerbosity    Verbosity = EGasaVerbosity::Log,
+		FLogCategoryBase& Category  = LogGasaNet,
+		bool              DumpStack = false,
+		int32             Line      = __builtin_LINE(),
+		ANSICHAR const*   File      = __builtin_FILE(),
+		ANSICHAR const*   Func      = __builtin_FUNCTION()
+	)
+	{
+		Gasa::NetLog( this, Message, Verbosity, Category, DumpStack, Line, File, Func );
+	}
+#pragma endregion NetSlime
+
+#pragma region GameMode
+	void HandleMatchAborted() override;
+	void HandleStartingNewPlayer_Implementation(APlayerController* NewPlayer) override;
+	
+	bool ReadyToStartMatch_Implementation() override;
+#pragma endregion GameMode
+
+#pragma region GameModeBase
+	void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
+
+	void GenericPlayerInitialization(AController* C) override;
+
+	TSubclassOf<APlayerController> GetPlayerControllerClassToSpawnForSeamlessTravel(APlayerController* PreviousPlayerController) override;
+
+	void HandleSeamlessTravelPlayer(AController*& C) override;
+
+	void InitializeHUDForPlayer_Implementation(APlayerController* NewPlayer) override;
+	void InitSeamlessTravelPlayer(AController* NewController) override;
+	
+	void Logout(AController* Exiting) override;
+	
+	void PreLogin(const FString& Options, const FString& Address, const FUniqueNetIdRepl& UniqueId, FString& ErrorMessage) override;
+	void PostLogin(APlayerController* NewPlayer) override;
+	void PostSeamlessTravel() override;
+
+	void SetPlayerDefaults(APawn* PlayerPawn) override;
+	void SetSeamlessTravelViewTarget(APlayerController* PC) override;
+	
+	void StartPlay() override;
+	void StartToLeaveMap() override;
+
+	void SwapPlayerControllers(APlayerController* OldPC, APlayerController* NewPC) override;
+
+	APlayerController* SpawnPlayerControllerCommon(ENetRole InRemoteRole, FVector const& SpawnLocation, FRotator const& SpawnRotation, TSubclassOf<APlayerController> InPlayerControllerClass) override;
+#pragma endregion GameModeBase
 };
 
 namespace Gasa
 {
-	inline
-	AGasaGameMode* GetGameMode(UObject* Context)
+	inline AGasaGameMode* GetGameMode( UObject* Context )
 	{
-		UWorld* World = GEngine->GetWorldFromContextObject(Context, EGetWorldErrorMode::LogAndReturnNull);
-		if (World == nullptr)
+		UWorld* World = GEngine->GetWorldFromContextObject( Context, EGetWorldErrorMode::LogAndReturnNull );
+		if ( World == nullptr )
 		{
-			Log("World is null... are you running in a proper context?", ELogV::Error);
+			Log( "World is null... are you running in a proper context?", ELogV::Error );
 			return nullptr;
 		}
-		return Cast<AGasaGameMode>(World->GetAuthGameMode());
+		return Cast<AGasaGameMode>( World->GetAuthGameMode() );
 	}
 }

Project/Source/Gasa/Game/GasaGameState.cpp

@@ -2,6 +2,10 @@
 
 #include "CogAll.h"
 #include "CogWindowManager.h"
+#include "GasaPlayerState.h"
+#include "GasaGameInstance.h"
+#include "Net/UnrealNetwork.h"
+using namespace Gasa;
 
 AGasaGameState::AGasaGameState()
 {
@@ -9,11 +13,92 @@ AGasaGameState::AGasaGameState()
     PrimaryActorTick.bCanEverTick = true;
     PrimaryActorTick.SetTickFunctionEnable(true);
     PrimaryActorTick.bStartWithTickEnabled = true;
+
+	// Replication
+	
+	bReplicates            = true;
+	bNetLoadOnClient       = false;
+	NetDormancy            = DORM_Awake;
+	NetCullDistanceSquared = NetCullDist_Default;
+	NetUpdateFrequency     = 10.0f;
+	MinNetUpdateFrequency  = 1.0f;
+	NetPriority            = 5.0f;
 }
 
-#pragma region GameState
+#pragma region GameFramework
+void AGasaGameState::OnGameFrameworkInitialized()
+{
+	NetLog("Received gameplay framework initialization.");
+
+	if (IsServer())
+	{
+		if (PlayerArray.Num() > 0)
+		{
+			ListenServerHost = Cast<AGasaPlayerState>(PlayerArray[0]);
+		}
+		else
+		{
+			NetLog("Was not able to assign HostingPlayer!", ELogV::Error);
+		}
+	}
+
+	BP_OnGameFrameworkInitialized();
+}
+#pragma endregion GameFramework
+
+#pragma region Networking
+void AGasaGameState::Client_OnRep_OnlinePlayers()
+{
+}
+#pragma endregion Networking
+
+#pragma region Seamless Travel
+void AGasaGameState::Multicast_R_NotifySeamlessTravelEnd_Implementation()
+{
+	NetLog("Multicast_R_NotifySeamlessTravelEnd_Implementation");
+	BP_Event_OnSeamlessTravelEnd.Broadcast();
+	Event_OnSeamlessTravelEnd.Broadcast();
+}
+#pragma endregion Seamless Travel
+
+#pragma region GameStateBase
+void AGasaGameState::HandleBeginPlay()
+{
+	Super::HandleBeginPlay();
+	NetLog("HandleBeginPlay: Directly called from GM");
+}
+
+void AGasaGameState::SeamlessTravelTransitionCheckpoint(bool bToTransitionMap)
+{
+	Super::SeamlessTravelTransitionCheckpoint(bToTransitionMap);
+
+	NetLog("SeamlessTravelTransitionCheckpoint");
+	NetLog(FString("ToTransitionMap: ") + FString(bToTransitionMap ? "true" : "false"));
+
+	if (bToTransitionMap)
+	{
+		Event_OnSeamlessTravelStart.Broadcast();
+	}
+	else
+	{
+		Multicast_R_NotifySeamlessTravelEnd();
+	}
+}
+#pragma endregion GameStateBase
+
+#pragma region Actor
 void AGasaGameState::BeginPlay()
 {
+	Super::BeginPlay();
+
+	NetLog("BeginPlay");
+
+	// Notified as initialized here as any possible components should also be initialized by this point.
+	UGasaGameInstance*
+	GI = GetGameInstance<UGasaGameInstance>();
+	GI->Event_OnGameFrameworkInitialized.AddDynamic(this, & ThisClass::OnGameFrameworkInitialized);
+	GI->NotifyGameFrameworkClassReady(EGameFrameworkClassFlag::GameState);
+	
 #if ENABLE_COG
     CogWindowManager = NewObject<UCogWindowManager>(this);
     CogWindowManagerRef = CogWindowManager;
@@ -23,6 +108,28 @@ void AGasaGameState::BeginPlay()
 #endif //ENABLE_COG
 }
 
+void AGasaGameState::PostInitializeComponents()
+{
+	NetLog("PostInitializeComponents");
+
+	Super::PostInitializeComponents();
+
+	if ( ! GetWorld()->IsEditorWorld() && IsServer())
+	{
+		OnlinePlayers.Empty();
+#if 0
+		const auto GI = Cast<UGasaGameInstance>(GetGameInstance());
+		if (GI != nullptr)
+		{
+			int32 NumConnections = GI->SessionSettings.bPublicGame
+				? GI->SessionSettings.PublicConnections
+				: GI->SessionSettings.PrivateConnections;
+			OnlinePlayers.Init(nullptr, NumConnections);
+		}
+#endif
+	}	
+}
+
 void AGasaGameState::Tick(float DeltaSeconds)
 {
 	Super::Tick(DeltaSeconds);
@@ -31,4 +138,14 @@ void AGasaGameState::Tick(float DeltaSeconds)
     CogWindowManager->Tick(DeltaSeconds);
 #endif //ENABLE_COG
 }
-#pragma endregion GameState
+#pragma endregion Actor
+
+#pragma region UObject
+void AGasaGameState::GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const
+{
+	Super::GetLifetimeReplicatedProps(OutLifetimeProps);
+
+	DOREPLIFETIME(AGasaGameState, ListenServerHost);
+	DOREPLIFETIME(AGasaGameState, OnlinePlayers);
+}
+#pragma endregion UObject

Project/Source/Gasa/Game/GasaGameState.h

@@ -1,46 +1,116 @@
-#pragma once
-
 #include "GameFramework/GameState.h"
 
 #include "GasaCommon.h"
+#include "Engine/Engine.h"
+#include "Networking/GasaNetLibrary.h"
 
 #include "GasaGameState.generated.h"
 
-UCLASS(Blueprintable)
+DECLARE_MULTICAST_DELEGATE( FOnTravelDelegate );
+DECLARE_DYNAMIC_MULTICAST_DELEGATE( FOnTravelSig );
+DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnPlayerCharacterReadySig, APlayerCharacter*, Character);
+
+UCLASS( Blueprintable )
 class GASA_API AGasaGameState : public AGameState
 {
 	GENERATED_BODY()
 public:
 #pragma region Cog
-    // To make sure it doesn't get garbage collected.
-    UPROPERTY()
-    TObjectPtr<UObject> CogWindowManagerRef;
-	
+	// To make sure it doesn't get garbage collected.
+	UPROPERTY()
+	TObjectPtr<UObject> CogWindowManagerRef;
+
 #if ENABLE_COG
 	TObjectPtr<UCogWindowManager> CogWindowManager;
-#endif // ENABLE_COG
+#endif
+// ENABLE_COG
 #pragma endregion Cog
 
 	AGasaGameState();
+
+#pragma region GameFramework
+	UFUNCTION()
+	void OnGameFrameworkInitialized();
+
+	UFUNCTION(BlueprintCallable, BlueprintImplementableEvent, meta=(DisplayName = "Game Framework Initialized"))
+	void BP_OnGameFrameworkInitialized();
+#pragma endregion GameFramework
+
+#pragma region Networking
+	UPROPERTY(Replicated, BlueprintReadOnly)
+	AGasaPlayerState* ListenServerHost;
+
+	UPROPERTY(ReplicatedUsing = "Client_OnRep_OnlinePlayers", BlueprintReadOnly)
+	TArray<AGasaPlayerState> OnlinePlayers;
+
+	UFUNCTION()
+	void Client_OnRep_OnlinePlayers();
+#pragma endregion Networking
+
+#pragma region Seamless Travel
+	UPROPERTY(BlueprintAssignable)
+	FOnTravelSig Event_OnSeamlessTravelStart;
+
+	UPROPERTY(BlueprintAssignable, meta=(DisplayName="Event: On Seamless Travel End"))
+	FOnTravelSig BP_Event_OnSeamlessTravelEnd;
+	
+	FOnTravelDelegate Event_OnSeamlessTravelEnd;
+
+	UFUNCTION(NetMulticast, Reliable)
+	void Multicast_R_NotifySeamlessTravelEnd();
+#pragma endregion Seamless Travel
+	
+#pragma region NetSlime
+	// NetSlime interface is generated by GasaGen/GasaGen_NetSlime.cpp
+	FORCEINLINE ENetworkMode GetNetworkMode() const { return Gasa::GetNetworkMode( this ); }
+	FORCEINLINE bool IsClient()               const { return Gasa::IsClient( this ); }
+	FORCEINLINE bool IsListenServer()         const { return Gasa::IsListenServer( this ); }
+	FORCEINLINE bool IsNetOwner()             const { return Gasa::IsNetOwner( this ); }
+	FORCEINLINE bool IsServer()               const { return Gasa::IsServer( this ); }
+	FORCEINLINE bool IsSimulatedProxy()       const { return Gasa::IsSimulatedProxy( this ); }
+	FORCEINLINE void NetLog(
+		FString           Message,
+		EGasaVerbosity    Verbosity = EGasaVerbosity::Log,
+		FLogCategoryBase& Category  = LogGasaNet,
+		bool              DumpStack = false,
+		int32             Line      = __builtin_LINE(),
+		ANSICHAR const*   File      = __builtin_FILE(),
+		ANSICHAR const*   Func      = __builtin_FUNCTION()
+	)
+	{
+		Gasa::NetLog( this, Message, Verbosity, Category, DumpStack, Line, File, Func );
+	}
+#pragma endregion NetSlime
 	
 #pragma region GameState
-	void BeginPlay() override;
+	void HandleBeginPlay() override;
+#pragma endregion GameState
 
-	void Tick(float DeltaSeconds) override;
-#pragma endregion GameState	
+#pragma region GameStateBase
+	void SeamlessTravelTransitionCheckpoint(bool bToTransitionMap) override;
+#pragma endregion GameStateBase
+
+#pragma region Actor
+	void BeginPlay() override;
+	void PostInitializeComponents() override;
+	void Tick( float DeltaSeconds ) override;
+#pragma endregion Actor
+
+#pragma region UObject
+	void GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const override;
+#pragma endregion UObject
 };
 
 namespace Gasa
 {
-	inline
-	AGasaGameState* GetGameState(UObject* Context)
+	inline AGasaGameState* GetGameState( UObject* Context )
 	{
-		UWorld* World = GEngine->GetWorldFromContextObject(Context, EGetWorldErrorMode::LogAndReturnNull);
-		if (World == nullptr)
+		UWorld* World = GEngine->GetWorldFromContextObject( Context, EGetWorldErrorMode::LogAndReturnNull );
+		if ( World == nullptr )
 		{
-			Log("World is null... are you running in a proper context?", ELogV::Error);
+			Log( "World is null... are you running in a proper context?", ELogV::Error );
 			return nullptr;
 		}
-		return Cast<AGasaGameState>(World->GetGameState());
+		return Cast<AGasaGameState>( World->GetGameState() );
 	}
 }

Project/Source/Gasa/Game/GasaLevelScriptActor.cpp

@@ -1,11 +1,39 @@
 #include "GasaLevelScriptActor.h"
 
 #include "GasaDevOptions.h"
+#include "GasaGameInstance.h"
+#include "Engine/PostProcessVolume.h"
 #include "Kismet/GameplayStatics.h"
+#include "Materials/MaterialInstance.h"
+#include "Materials/MaterialInstanceDynamic.h"
+using namespace Gasa;
 
+#pragma region Game Framework
+AGasaLevelScriptActor::AGasaLevelScriptActor()
+{
+	// Replication
+	
+	bReplicates            = true;
+	bNetLoadOnClient       = true;
+	NetDormancy            = DORM_Awake;
+	NetCullDistanceSquared = NetCullDist_Default;
+	NetUpdateFrequency     = 10.0f;
+	MinNetUpdateFrequency  = 1.0f;
+	NetPriority            = 1.0f;
+}
+
+void AGasaLevelScriptActor::OnGameFrameworkInitialized()
+{
+	NetLog("Received game framework initialization.");
+	BP_OnGameFrameworkInitialized();
+}
+#pragma endregion Game Framework
+
+#pragma region Actor
 void AGasaLevelScriptActor::BeginPlay()
 {
 	Super::BeginPlay();
+	NetLog("BeginPlay");
 
 	using namespace Gasa;
 
@@ -21,4 +49,12 @@ void AGasaLevelScriptActor::BeginPlay()
 		PPV->Settings.WeightedBlendables.Array[0].Object = MID;
 		break;
 	}
+	
+	UGasaGameInstance* GI = GetGameInstance<UGasaGameInstance>();
+	if(GI)
+		GI->Event_OnGameFrameworkInitialized.AddUniqueDynamic(this, & ThisClass::OnGameFrameworkInitialized);
+
+	if (!bOverrideGameplayFrameworkReady)
+		GI->NotifyGameFrameworkClassReady(EGameFrameworkClassFlag::Levels);
 }
+#pragma endregion Actor

Project/Source/Gasa/Game/GasaLevelScriptActor.h

@@ -1,8 +1,9 @@
 #pragma once
+#include "GasaCommon.h"
+#include "Engine/Engine.h"
 
 #include "Engine/LevelScriptActor.h"
-
-#include "GasaCommon.h"
+#include "Networking/GasaNetLibrary.h"
 
 #include "GasaLevelScriptActor.generated.h"
 
@@ -14,6 +15,41 @@ public:
     UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Post Process")
     TObjectPtr<APostProcessVolume> GlobalPPV;
 
+	AGasaLevelScriptActor();
+
+#pragma region GameFramework
+	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly)
+	bool bOverrideGameplayFrameworkReady = false;
+
+	UFUNCTION()
+	void OnGameFrameworkInitialized();
+
+	UFUNCTION(BlueprintCallable, BlueprintImplementableEvent, meta=(DisplayName="On Game Framework Initialized"))
+	void BP_OnGameFrameworkInitialized();	
+#pragma endregion GameFramework
+
+#pragma region NetSlime
+	// NetSlime interface is generated by GasaGen/GasaGen_NetSlime.cpp
+	FORCEINLINE ENetworkMode GetNetworkMode() const { return Gasa::GetNetworkMode( this ); }
+	FORCEINLINE bool IsClient()               const { return Gasa::IsClient( this ); }
+	FORCEINLINE bool IsListenServer()         const { return Gasa::IsListenServer( this ); }
+	FORCEINLINE bool IsNetOwner()             const { return Gasa::IsNetOwner( this ); }
+	FORCEINLINE bool IsServer()               const { return Gasa::IsServer( this ); }
+	FORCEINLINE bool IsSimulatedProxy()       const { return Gasa::IsSimulatedProxy( this ); }
+	FORCEINLINE void NetLog(
+		FString           Message,
+		EGasaVerbosity    Verbosity = EGasaVerbosity::Log,
+		FLogCategoryBase& Category  = LogGasaNet,
+		bool              DumpStack = false,
+		int32             Line      = __builtin_LINE(),
+		ANSICHAR const*   File      = __builtin_FILE(),
+		ANSICHAR const*   Func      = __builtin_FUNCTION()
+	)
+	{
+		Gasa::NetLog( this, Message, Verbosity, Category, DumpStack, Line, File, Func );
+	}
+#pragma endregion NetSlime
+
 #pragma region Actor
     void BeginPlay() override;
 #pragma region endActor

Project/Source/Gasa/Game/GasaPlayerController.cpp

@@ -155,19 +155,22 @@ void AGasaPlayerController::BeginPlay()
 {
 	Super::BeginPlay();
 
-	check(IMC);
-	
-	UEnhancedInputLocalPlayerSubsystem*
-	EILP_Subsystem = ULocalPlayer::GetSubsystem<UEnhancedInputLocalPlayerSubsystem>(GetLocalPlayer());
-	check(EILP_Subsystem);
-	EILP_Subsystem->AddMappingContext(IMC, 0);
+	if (IsLocalController())
 	{
-		bShowMouseCursor   = true;
-		DefaultMouseCursor = EMouseCursor::Default;
-		FInputModeGameAndUI MouseMode;
-		MouseMode.SetLockMouseToViewportBehavior(EMouseLockMode::DoNotLock);
-		MouseMode.SetHideCursorDuringCapture(false);
-		SetInputMode(MouseMode);
+		check(IMC);
+		
+		UEnhancedInputLocalPlayerSubsystem*
+		EILP_Subsystem = ULocalPlayer::GetSubsystem<UEnhancedInputLocalPlayerSubsystem>(GetLocalPlayer());
+		check(EILP_Subsystem);
+		EILP_Subsystem->AddMappingContext(IMC, 0);
+		{
+			bShowMouseCursor   = true;
+			DefaultMouseCursor = EMouseCursor::Default;
+			FInputModeGameAndUI MouseMode;
+			MouseMode.SetLockMouseToViewportBehavior(EMouseLockMode::DoNotLock);
+			MouseMode.SetHideCursorDuringCapture(false);
+			SetInputMode(MouseMode);
+		}
 	}
 }
 

Project/Source/Gasa/Game/GasaPlayerController.h

@@ -1,7 +1,9 @@
 #pragma once
 
 #include "GasaCommon.h"
+#include "Engine/Engine.h"
 #include "GameFramework/PlayerController.h"
+#include "Networking/GasaNetLibrary.h"
 
 #include "GasaPlayerController.generated.h"
 
@@ -51,12 +53,33 @@ public:
 	AGasaPlayerController();
 
 	inline AGasaPlayerState* GetPlayerState();
+
+#pragma region NetSlime
+	// NetSlime interface is generated by GasaGen/GasaGen_NetSlime.cpp
+	FORCEINLINE ENetworkMode GetNetworkMode() const { return Gasa::GetNetworkMode( this ); }
+	FORCEINLINE bool IsClient()               const { return Gasa::IsClient( this ); }
+	FORCEINLINE bool IsListenServer()         const { return Gasa::IsListenServer( this ); }
+	FORCEINLINE bool IsNetOwner()             const { return Gasa::IsNetOwner( this ); }
+	FORCEINLINE bool IsServer()               const { return Gasa::IsServer( this ); }
+	FORCEINLINE bool IsSimulatedProxy()       const { return Gasa::IsSimulatedProxy( this ); }
+	FORCEINLINE void NetLog(
+		FString           Message,
+		EGasaVerbosity    Verbosity = EGasaVerbosity::Log,
+		FLogCategoryBase& Category  = LogGasaNet,
+		bool              DumpStack = false,
+		int32             Line      = __builtin_LINE(),
+		ANSICHAR const*   File      = __builtin_FILE(),
+		ANSICHAR const*   Func      = __builtin_FUNCTION()
+	)
+	{
+		Gasa::NetLog( this, Message, Verbosity, Category, DumpStack, Line, File, Func );
+	}
+#pragma endregion NetSlime
 	
 #pragma region PlayerController
 	void SpawnDefaultHUD() override;
 	
 	void OnPossess(APawn* InPawn) override;
-
 	void OnUnPossess() override;
 	
 	void PlayerTick(float DeltaTime) override;

Project/Source/Gasa/Game/GasaPlayerState.cpp

@@ -5,6 +5,8 @@
 
 AGasaPlayerState::AGasaPlayerState()
 {
+	bAutoAbilitySystem = true;
+	
 	AbilitySystem = CreateDefaultSubobject<UGasaAbilitySystemComp>("Ability System");
 	AbilitySystem->SetIsReplicated(true);
 	AbilitySystem->SetReplicationMode(EGameplayEffectReplicationMode::Mixed);

Project/Source/Gasa/Game/GasaPlayerState.h

@@ -5,6 +5,7 @@
 #include "GameFramework/PlayerState.h"
 
 #include "GasaCommon.h"
+#include "Networking/GasaNetLibrary.h"
 
 #include "GasaPlayerState.generated.h"
 
@@ -16,7 +17,7 @@ class GASA_API AGasaPlayerState : public APlayerState
 public:
 #pragma region Ability System
 	UPROPERTY(EditAnywhere, Category="Ability System")
-	bool bAutoAbilitySystem = true;
+	bool bAutoAbilitySystem;
 	
 	UPROPERTY(EditAnywhere, Category="Ability System")
 	TObjectPtr<UAbilitySystemComponent> AbilitySystem;
@@ -27,6 +28,28 @@ public:
 	
 	AGasaPlayerState();
 
+#pragma region NetSlime
+	// NetSlime interface is generated by GasaGen/GasaGen_NetSlime.cpp
+	FORCEINLINE ENetworkMode GetNetworkMode() const { return Gasa::GetNetworkMode( this ); }
+	FORCEINLINE bool IsClient()               const { return Gasa::IsClient( this ); }
+	FORCEINLINE bool IsListenServer()         const { return Gasa::IsListenServer( this ); }
+	FORCEINLINE bool IsNetOwner()             const { return Gasa::IsNetOwner( this ); }
+	FORCEINLINE bool IsServer()               const { return Gasa::IsServer( this ); }
+	FORCEINLINE bool IsSimulatedProxy()       const { return Gasa::IsSimulatedProxy( this ); }
+	FORCEINLINE void NetLog(
+		FString           Message,
+		EGasaVerbosity    Verbosity = EGasaVerbosity::Log,
+		FLogCategoryBase& Category  = LogGasaNet,
+		bool              DumpStack = false,
+		int32             Line      = __builtin_LINE(),
+		ANSICHAR const*   File      = __builtin_FILE(),
+		ANSICHAR const*   Func      = __builtin_FUNCTION()
+	)
+	{
+		Gasa::NetLog( this, Message, Verbosity, Category, DumpStack, Line, File, Func );
+	}
+#pragma endregion NetSlime
+
 #pragma region IAbilitySystem
 	FORCEINLINE UAttributeSet*           GetAttributes()                            { return Attributes; }
 	FORCEINLINE UAbilitySystemComponent* GetAbilitySystemComponent() const override { return AbilitySystem; }

Project/Source/Gasa/Gasa.Build.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Collections.Generic;
-
+using UnrealBuildTool;
 using ModuleRules = UnrealBuildTool.ModuleRules;
 using ReadOnlyTargetRules = UnrealBuildTool.ReadOnlyTargetRules;
 using TargetRules = UnrealBuildTool.TargetRules;
@@ -10,7 +10,33 @@ public class Gasa : ModuleRules
 {
     public Gasa(ReadOnlyTargetRules Target) : base(Target)
     {
-	    bUseUnity = false;
+	    bUseUnity           = false;
+	    bMergeUnityFiles    = false;
+	    IWYUSupport         = IWYUSupport.None;
+	    PCHUsage            = PCHUsageMode.NoPCHs;
+	    OptimizeCode        = CodeOptimization.Never;
+	    MinCpuArchX64       = MinimumCpuArchitectureX64.AVX512;
+	    IncludeOrderVersion = EngineIncludeOrderVersion.Latest;
+	    
+	    bCodeCoverage                      = false;
+	    bDisableStaticAnalysis             = true;
+	    bValidateCircularDependencies      = true;
+	    bValidateFormatStrings             = false;
+	    bValidateInternalApi               = false;
+	    bEnableExceptions                  = false;
+	    bEnableBufferSecurityChecks        = false;
+	    bEnableNonInlinedGenCppWarnings    = false;
+	    bEnableUndefinedIdentifierWarnings = false;
+	    bIgnoreUnresolvedSymbols           = false;
+	    
+	    bEnableObjCAutomaticReferenceCounting = false;
+	    bEnableObjCExceptions                 = false;
+	    
+	    var Kilobyte = 1024;
+	    NumIncludedBytesPerUnityCPPOverride    = Kilobyte * 32;
+	    MinFilesUsingPrecompiledHeaderOverride = 1;
+	    
+	    PrivatePCHHeaderFile = "GasaColdHeadersPCH.h";
 	    
     #region Engine
         PrivateIncludePathModuleNames.AddRange(new string[] {
@@ -32,6 +58,7 @@ public class Gasa : ModuleRules
             "InputCore", 
             "NetCore",
             "Niagara",
+            "OnlineSubsystem",
             "SlateCore",
             "UMG", 
         });

Project/Source/Gasa/GasaColdHeadersPCH.h

@@ -0,0 +1,53 @@
+#pragma once
+
+#include "GasaEngineMinimal.h"
+#include "GasaCommon.h"
+#include "GasaGameplayTags.h"
+#include "GasaLibrary.h"
+#include "GasaModule.h"
+#include "GasaViewportSubsystem.h"
+#include "GasaDevOptions.h"
+#include "GasaDevOptionsCache.h"
+
+// Ability System
+// #include "AbilitySystem/"
+#include "AbilitySystem/GasaAbilitySystem.h"
+// #include "AbilitySystem/GasaAbilitySystemComponent.h"
+// #include "AbilitySystem/GasaAttributeSet.h"
+// #include "GasaEffectActor.h"
+
+// Actors
+#include "Actors/CameraMount.h"
+
+// Characters
+// #include "Characters/GasaCharacter.h"
+// #include "Characters/EnemyCharacter.h"
+// #include "Characters/PlayerCharacter.h"
+
+// Game
+// #include "Game/GasaGameInstance.h"
+// #include "Game/GasaGameMode.h"
+// #include "Game/GasaGameState.h"
+// #include "Game/GasaLevelScriptActor.h"
+// #include "Game/GasaPlayerController.h"
+// #include "Game/GasaPlayerController_Inlines.h"
+// #include "Game/GasaPlayerState.h"
+#include "Game/GasaViewport.h"
+
+// Networking
+// #include "Networking/GasaNetLibrary.h"
+// #include "Networking/GasaNetLibrary_Inlines.h"
+
+// UI
+// #include "UI/GasaCanvas.h"
+// #include "UI/GasaCanvasPanel.h"
+// #include "UI/GasaHUD.h"
+// #include "UI/GasaHUD_Inlines.h"
+// #include "UI/GasaImage.h"
+// #include "UI/GasaOverlay.h"
+// #include "UI/GasaProgressBar.h"
+// #include "UI/GasaSizeBox.h"
+// #include "UI/GasaUserWidget.h"
+// #include "UI/HostWidgetController.h"
+// #include "UI/HUDHostWidget.h"
+// #include "UI/WidgetController.h"

Project/Source/Gasa/GasaCommon.h

@@ -1,13 +1,16 @@
-
-#pragma once
+#pragma once
 
-#include "CoreMinimal.h"
-// #define private protected
+#include "GasaEngineMinimal.h"
 
 #define global        
 #define internal      static
 #define local_persist static
 
+#define ccast( Type, Value ) ( *const_cast<(Type)*>( &( Value ) ) )
+#define pcast( Type, Value ) ( *reinterpret_cast<(Type)*>( &( Value ) ) )
+#define rcast( Type, Value ) reinterpret_cast<Type>( Value )
+#define scast( Type, Value ) static_cast<Type>( Value )
+
 #pragma region Math
 #define m_pow2( value ) (value * value)
 #pragma endregion Math
@@ -16,6 +19,9 @@
 struct FInputActionValue;
 struct FOnAttributeChangeData;
 
+class AActor;
+class APostProcessVolume;
+
 class IAbilitySystemInterface;
 
 class UAbilitySystemComponent;
@@ -45,11 +51,13 @@ class AGasaGameState;
 class AGasaLevelScriptActor;
 class AGasaPlayerController;
 class AGasaPlayerState;
+class APlayerCharacter;
 
 class UGasaAbilitySystemComp;
 class UGasaAttributeSet;
 class UGasaDevOptions;
 class UGasaImage;
+class UGasaObject;
 class UGasaOverlay;
 class UGasaProgressBar;
 class UGasaSizeBox;
@@ -58,6 +66,21 @@ class UHUDHostWidget;
 class UWidgetController;
 #pragma endregion Forwards
 
+#pragma region Bitfields
+namespace Gasa
+{
+	inline
+	bool Bitfield_IsSet(int32 Bitfield, int32 Bitmask) {
+		int32 Result = Bitmask == (Bitfield & Bitmask);
+		return scast(bool, Result);
+	}
+
+	inline void Bitfield_Set   ( int32& Bitfield, int32 BitsToAdd )    { Bitfield |= BitsToAdd; }
+	inline void Bitfield_Remove( int32& Bitfield, int32 BitsToRemove ) { Bitfield &= (! BitsToRemove); }
+	inline void Bitfield_Toggle( int32& Bitfield, int32 Bitmask )      { Bitfield ^= Bitmask; }
+}
+#pragma endregion Bitfields
+
 #pragma region Logging
 // Straight from the Engine
 UENUM(BlueprintType)
@@ -107,7 +130,6 @@ namespace Gasa
 {
 	using ELogV = EGasaVerbosity;
 
-	//◞ ‸ ◟//
 	// Works for Unreal 5.4, Win64 MSVC (untested in other scenarios, for now)
 	inline
 	void Log( FString Message, EGasaVerbosity Verbosity = EGasaVerbosity::Log

Project/Source/Gasa/GasaEngineMinimal.h

@@ -0,0 +1,160 @@
+#pragma once
+
+/*----------------------------------------------------------------------------
+	Low level includes.
+----------------------------------------------------------------------------*/
+
+#include "CoreTypes.h"
+
+/*----------------------------------------------------------------------------
+	Forward declarations
+----------------------------------------------------------------------------*/
+
+#include "CoreFwd.h"
+#include "UObject/UObjectHierarchyFwd.h"
+#include "Containers/ContainersFwd.h"
+
+/*----------------------------------------------------------------------------
+	Commonly used headers
+----------------------------------------------------------------------------*/
+
+#include "Misc/VarArgs.h"
+#include "Logging/LogVerbosity.h"
+#include "UObject/ObjectMacros.h"
+
+// #include "Misc/OutputDevice.h"
+// #include "HAL/PlatformCrt.h"
+// #include "HAL/PlatformMisc.h"
+// #include "Misc/AssertionMacros.h"
+// #include "Templates/IsPointer.h"
+// #include "HAL/PlatformMemory.h"
+// #include "HAL/PlatformAtomics.h"
+// #include "Misc/Exec.h"
+// #include "HAL/MemoryBase.h"
+// #include "HAL/UnrealMemory.h"
+// #include "Templates/IsArithmetic.h"
+// #include "Templates/AndOrNot.h"
+// #include "Templates/IsPODType.h"
+// #include "Templates/IsUECoreType.h"
+// #include "Templates/IsTriviallyCopyConstructible.h"
+// #include "Templates/UnrealTypeTraits.h"
+// #include "Templates/EnableIf.h"
+// #include "Templates/RemoveReference.h"
+// #include "Templates/IntegralConstant.h"
+// #include "Templates/IsClass.h"
+// #include "Templates/TypeCompatibleBytes.h"
+// #include "Traits/IsContiguousContainer.h"
+// #include "Templates/UnrealTemplate.h"
+// #include "Math/NumericLimits.h"
+// #include "HAL/PlatformMath.h"
+// #include "Templates/IsTriviallyCopyAssignable.h"
+// #include "Templates/IsTriviallyDestructible.h"
+// #include "Templates/MemoryOps.h"
+// #include "Containers/ContainerAllocationPolicies.h"
+// #include "Templates/IsEnumClass.h"
+// #include "HAL/PlatformProperties.h"
+// #include "Misc/EngineVersionBase.h"
+// #include "Internationalization/TextNamespaceFwd.h"
+// #include "Serialization/Archive.h"
+// #include "Templates/Less.h"
+// #include "Templates/Sorting.h"
+// #include "Misc/Char.h"
+// #include "GenericPlatform/GenericPlatformStricmp.h"
+// #include "GenericPlatform/GenericPlatformString.h"
+// #include "HAL/PlatformString.h"
+// #include "Misc/CString.h"
+// #include "Misc/Crc.h"
+// #include "Math/UnrealMathUtility.h"
+// #include "Containers/UnrealString.h"
+// #include "Containers/Array.h"
+// #include "Misc/FrameNumber.h"
+// #include "Misc/Timespan.h"
+// #include "Containers/StringConv.h"
+// #include "UObject/UnrealNames.h"
+// #include "UObject/NameTypes.h"
+// #include "Misc/Parse.h"
+// #include "Templates/AlignmentTemplates.h"
+// #include "Misc/StructBuilder.h"
+// #include "Templates/Decay.h"
+// #include "Templates/PointerIsConvertibleFromTo.h"
+// #include "Templates/Invoke.h"
+// #include "Templates/Function.h"
+// #include "Templates/TypeHash.h"
+
+// #include "Containers/ScriptArray.h"
+// #include "Containers/BitArray.h"
+// #include "Containers/SparseArray.h"
+// #include "Containers/Set.h"
+
+// #include "Algo/Reverse.h"
+// #include "Containers/Map.h"
+// #include "Math/IntPoint.h"
+// #include "Math/IntVector.h"
+
+// #include "Logging/LogCategory.h"
+// #include "Logging/LogMacros.h"
+
+// #include "Math/Vector2D.h"
+// #include "Math/IntRect.h"
+// #include "Misc/ByteSwap.h"
+// #include "Containers/EnumAsByte.h"
+// #include "HAL/PlatformTLS.h"
+// #include "CoreGlobals.h"
+
+// #include "Templates/SharedPointer.h"
+// #include "Internationalization/CulturePointer.h"
+// #include "UObject/WeakObjectPtrTemplates.h"
+// #include "Delegates/DelegateSettings.h"
+// #include "Delegates/IDelegateInstance.h"
+// #include "Delegates/DelegateBase.h"
+// #include "Delegates/MulticastDelegateBase.h"
+// #include "Delegates/IntegerSequence.h"
+// #include "Templates/Tuple.h"
+// #include "UObject/ScriptDelegates.h"
+// #include "Delegates/Delegate.h"
+// #include "Internationalization/TextLocalizationManager.h"
+// #include "Misc/Optional.h"
+// #include "Templates/IsArray.h"
+// #include "Templates/RemoveExtent.h"
+// #include "Templates/UniquePtr.h"
+// #include "Internationalization/Text.h"
+// #include "Templates/UniqueObj.h"
+// #include "Internationalization/Internationalization.h"
+// #include "Math/Vector.h"
+// #include "Math/Vector4.h"
+// #include "Math/VectorRegister.h"
+// #include "Math/TwoVectors.h"
+// #include "Math/Edge.h"
+// #include "UObject/ObjectVersion.h"
+// #include "Math/CapsuleShape.h"
+// #include "Math/Rotator.h"
+// #include "Misc/DateTime.h"
+// #include "Math/RangeBound.h"
+// #include "Misc/AutomationEvent.h"
+// #include "Math/Range.h"
+// #include "Math/RangeSet.h"
+// #include "Math/Interval.h"
+// #include "Math/Box.h"
+// #include "Math/Box2D.h"
+// #include "Math/BoxSphereBounds.h"
+// #include "Math/OrientedBox.h"
+// #include "Math/Axis.h"
+// #include "Math/Matrix.h"
+// #include "Math/RotationTranslationMatrix.h"
+// #include "Math/RotationAboutPointMatrix.h"
+// #include "Math/ScaleRotationTranslationMatrix.h"
+// #include "Math/RotationMatrix.h"
+// #include "Math/Quat.h"
+// #include "Math/PerspectiveMatrix.h"
+// #include "Math/OrthoMatrix.h"
+// #include "Math/TranslationMatrix.h"
+// #include "Math/QuatRotationTranslationMatrix.h"
+// #include "Math/InverseRotationMatrix.h"
+// #include "Math/ScaleMatrix.h"
+// #include "Math/MirrorMatrix.h"
+// #include "Math/ClipProjectionMatrix.h"
+// #include "Math/Float32.h"
+// #include "Math/Float16.h"
+// #include "Math/Transform.h"
+// #include "Math/ConvexHull2d.h"
+// #include "Math/UnrealMath.h"

Project/Source/Gasa/GasaLibrary.cpp

@@ -8,6 +8,7 @@
 #include "Game/GasaGameState.h"
 #include "Game/GasaPlayerController.h"
 #include "Kismet/KismetSystemLibrary.h"
+#include "Misc/ConfigCacheIni.h"
 
 #pragma region Game
 UGasaDevOptions* UGasaLib::GetGasaDevOptions(UObject* Context) {

Project/Source/Gasa/GasaLibrary.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "GasaCommon.h"
+#include "Kismet/BlueprintFunctionLibrary.h"
 
 #include "GasaLibrary.Generated.h"
 

Project/Source/Gasa/GasaModule.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "Modules/ModuleInterface.h"
+#include "Modules/ModuleManager.h"
 
 class GASA_API FGasaModule : public IModuleInterface
 {

Project/Source/Gasa/GasaObject.cpp

@@ -0,0 +1,77 @@
+#include "GasaObject.h"
+
+#include "Engine/ActorChannel.h"
+#include "Engine/BlueprintGeneratedClass.h"
+#include "Engine/NetDriver.h"
+#include "GameFramework/Actor.h"
+using namespace Gasa;
+
+UGasaObject::UGasaObject()
+{
+	bReplicates                 = false;
+	bDisconnectOnBadReplication = false;
+}
+
+void UGasaObject::Destroy()
+{
+	if ( ! IsValid(this))
+	{
+		checkf(GetOwningActor()->HasAuthority() == true, TEXT("Destroy:: Object does not have authority to destroy itself!"));
+		OnDestroyed();
+		Event_OnDestroyed.Broadcast();
+		ConditionalBeginDestroy();
+	}
+}
+
+void UGasaObject::OnDestroyed()
+{
+}
+
+bool UGasaObject::ReplicateAsSubobject(AActor* ActorResponsible, UActorChannel* Channel, FOutBunch* Bunch, FReplicationFlags* RepFlags)
+{
+	if (!ActorResponsible)
+	{
+		NetLog("Actor reponsible is null", ELogV::Error);
+		return false;
+	}
+	if (!bDisconnectOnBadReplication && ActorResponsible != GetOuter())
+	{
+		NetLog("Attempted to replicate whose outer was not set to the actor whose responsible for replicating it as a subobject", ELogV::Error);
+		return false;
+	}
+	return Channel->ReplicateSubobject(this, *Bunch, *RepFlags);
+}
+
+bool UGasaObject::CallRemoteFunction(UFunction* Function, void* Parms, FOutParmRec* OutParms, FFrame* Stack)
+{
+	check(! HasAnyFlags(RF_ClassDefaultObject));
+	AActor*     Owner     = GetOwningActor();
+	UNetDriver* NetDriver = Owner->GetNetDriver();
+	if (NetDriver)
+	{
+		NetDriver->ProcessRemoteFunction(Owner, Function, Parms, OutParms, Stack, this);
+		return true;
+	}
+	return false;
+}
+
+int32 UGasaObject::GetFunctionCallspace(UFunction* Function, FFrame* Stack)
+{
+	check(GetOuter() != nullptr);
+	return GetOuter()->GetFunctionCallspace(Function, Stack);
+}
+
+void UGasaObject::GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const
+{
+	// Add any Blueprint properties
+	// This is not required if you do not want the class to be "Blueprintable"
+	if (const UBlueprintGeneratedClass* BP = Cast<UBlueprintGeneratedClass>(GetClass()))
+	{
+		BP->GetLifetimeBlueprintReplicationList(OutLifetimeProps);
+	}	
+}
+
+bool UGasaObject::IsSupportedForNetworking() const
+{
+	return bReplicates;
+}

Project/Source/Gasa/GasaObject.h

@@ -0,0 +1,80 @@
+#pragma once
+
+#include "GasaCommon.h"
+#include "Networking/GasaNetLibrary.h"
+#include "UObject/Object.h"
+#include "GasaObject.generated.h"
+
+DECLARE_DYNAMIC_MULTICAST_DELEGATE(FGasaObjectEventSig);
+
+// A UObject which supports replication and other features.
+UCLASS( Blueprintable )
+class GASA_API UGasaObject : public UObject
+{
+	GENERATED_BODY()
+public:
+	
+	UGasaObject();
+
+	UFUNCTION(BlueprintPure)
+	FORCEINLINE AActor* GetOwningActor() const { return GetTypedOuter<AActor>(); };
+	
+	UPROPERTY(BlueprintAssignable, Category="Lifetime")
+	FGasaObjectEventSig Event_OnDestroyed;
+	
+	UFUNCTION(BlueprintCallable, BlueprintAuthorityOnly, Category="Lifetime")
+	virtual void Destroy();
+
+	virtual void OnDestroyed();
+
+	UFUNCTION(BlueprintImplementableEvent, meta=(DisplayName = "On Destroyed"))
+	void BP_OnDestroyed();
+
+#pragma region Replication
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Replication")
+	bool bReplicates;
+	
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Replication")
+	bool bDisconnectOnBadReplication ;
+	
+	virtual bool ReplicateAsSubobject(AActor* ActorResponsible, UActorChannel* Channel, FOutBunch* Bunch, FReplicationFlags* RepFlags);
+
+	UFUNCTION(BlueprintCallable)
+	void SetIsReplicated(bool DesiredValue)
+	{
+		bReplicates = DesiredValue;
+	}
+#pragma endregion Replication
+
+#pragma region NetSlime
+	// NetSlime interface is generated by GasaGen/GasaGen_NetSlime.cpp
+	FORCEINLINE ENetworkMode GetNetworkMode() const { return Gasa::GetNetworkMode( this ); }
+	FORCEINLINE bool IsClient()               const { return Gasa::IsClient( this ); }
+	FORCEINLINE bool IsListenServer()         const { return Gasa::IsListenServer( this ); }
+	FORCEINLINE bool IsNetOwner()             const { return Gasa::IsNetOwner( this ); }
+	FORCEINLINE bool IsServer()               const { return Gasa::IsServer( this ); }
+	FORCEINLINE bool IsSimulatedProxy()       const { return Gasa::IsSimulatedProxy( this ); }
+	FORCEINLINE void NetLog(
+	    FString           Message,
+	    EGasaVerbosity    Verbosity = EGasaVerbosity::Log,
+	    FLogCategoryBase& Category  = LogGasaNet,
+	    bool              DumpStack = false,
+	    int32             Line      = __builtin_LINE(),
+	    ANSICHAR const*   File      = __builtin_FILE(),
+	    ANSICHAR const*   Func      = __builtin_FUNCTION()
+	)
+	{
+		Gasa::NetLog( this, Message, Verbosity, Category, DumpStack, Line, File, Func );
+	}
+#pragma endregion NetSlime
+
+#pragma region UObject
+	bool CallRemoteFunction(UFunction* Function, void* Parms, FOutParmRec* OutParms, FFrame* Stack) override;
+
+	int32 GetFunctionCallspace(UFunction* Function, FFrame* Stack) override;
+
+	void GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const override;
+
+	bool IsSupportedForNetworking() const override;
+#pragma endregion UObject
+};

Project/Source/Gasa/Networking/GasaNetLibrary.cpp

@@ -1,2 +1,67 @@
 #include "GasaNetLibrary.h"
+#include "GasaNetLibrary_Inlines.h"
 
+DEFINE_LOG_CATEGORY(LogGasaNet);
+
+void NetLog( UObject const* Context, FString Message, EGasaVerbosity Verbosity = EGasaVerbosity::Log
+		, FLogCategoryBase& Category  = LogGasaNet
+		, bool              DumpStack = false
+		, int32             Line      = __builtin_LINE()
+		, const ANSICHAR*   File      = __builtin_FILE()
+		, const ANSICHAR*   Func      = __builtin_FUNCTION() )
+{
+#if !UE_BUILD_SHIPPING && !NO_LOGGING
+	ELogVerbosity::Type EngineVerbosity = (ELogVerbosity::Type) Verbosity;
+	if ((EngineVerbosity & ELogVerbosity::VerbosityMask) > ELogVerbosity::COMPILED_IN_MINIMUM_VERBOSITY)
+		return;
+	if ((EngineVerbosity & ELogVerbosity::VerbosityMask) > Category.GetVerbosity())
+		return;
+	if ( Category.IsSuppressed(EngineVerbosity))
+		return;
+
+	AActor const* Actor = nullptr;
+	FString       ActorLevel;
+	{
+		if (Context != nullptr)
+		{
+			if (Context->GetClass()->IsChildOf(AActor::StaticClass()))
+				Actor = Cast<AActor>(Context);
+			else if (Context->GetClass()->IsChildOf(UActorComponent::StaticClass()))
+				Actor = Cast<UActorComponent>(Context)->GetOwner();
+			// Its assumed that all GasaObjects have an outer actor
+			else if (Context->IsA(UGasaObject::StaticClass()))
+				Actor = Cast<AActor>(Context->GetOuter());
+		}
+		if (Actor)
+		{
+			if (Actor->HasLocalNetOwner())
+				ActorLevel = TEXT("Net Owner");
+			
+			else if (Actor->HasAuthority())
+				ActorLevel = TEXT("Server Authorized");
+				
+			else
+				ActorLevel = TEXT("No Authority");
+		}
+		else
+			ActorLevel = TEXT("Local");
+	}
+
+	FString NetMode = FString::Printf(TEXT("%-16s"), * GetNetworkModeStr(Context));
+	ActorLevel      = FString::Printf(TEXT("%-18s"), * ActorLevel);
+	FString Name    = FString::Printf(TEXT("%-40s"), * Context->GetName());
+	FString FullMsg = NetMode + " " + ActorLevel + " " + Name + " : " + Message;
+	
+	static UE::Logging::Private::FStaticBasicLogDynamicData LOG_Dynamic;
+	static UE::Logging::Private::FStaticBasicLogRecord
+	LOG_Static(TEXT("%s -- %hs %hs(%d)"), File, Line, EngineVerbosity, LOG_Dynamic);
+
+	SET_WARN_COLOR(COLOR_PURPLE)
+	
+	if (DumpStack)
+		FDebug::DumpStackTraceToLog(EngineVerbosity);
+	BasicLog(Category, &LOG_Static, * FullMsg, File, Func, Line);
+	
+	CLEAR_WARN_COLOR()
+#endif
+}

Project/Source/Gasa/Networking/GasaNetLibrary.h

@@ -1,4 +1,22 @@
-#pragma once
+// NetSlime: Ol'Reliable
+#pragma once
+
+#include "GasaCommon.h"
+
+#define DOREPLIFETIME_DEFAULT_GAS(Class, ReplicatedVar) \
+	DOREPLIFETIME_CONDITION_NOTIFY(Class, ReplicatedVar, COND_None, REPNOTIFY_Always)
+
+DECLARE_LOG_CATEGORY_EXTERN(LogGasaNet, Log, All);
+
+UENUM(BlueprintType)
+enum class ENetworkMode : uint8
+{
+	Standalone,
+	DedicatedServer,
+	ListenServer,
+	Client,
+	MAX,
+};
 
 namespace Gasa
 {
@@ -12,6 +30,32 @@ namespace Gasa
 	constexpr float NetCullDist_VeryFar   = 10000.0f * 10000.0f;
 	constexpr float NetCullDist_VisualMax = 15000.0f * 15000.0f;
 
-	#define DOREPLIFETIME_DEFAULT_GAS(Class, ReplicatedVar) \
-		DOREPLIFETIME_CONDITION_NOTIFY(Class, ReplicatedVar, COND_None, REPNOTIFY_Always)
+	void DrawNetCullingSphere(UObject const* Context, float Duration, float Thickness);
+
+	ENetworkMode GetNetworkMode(UObject const* Context);
+	FString GetNetworkModeStr(UObject const* Context);
+
+	bool IsClient(UObject const* Context);
+	bool IsListenServer(UObject const* Context);
+
+	bool IsNetOwner(UObject const* Context);
+	bool IsNetOwner(UGasaObject const* Context);
+	bool IsNetOwner(AActor const* Context);
+
+	bool IsServer(UObject const* Context);
+	
+	bool IsSimulatedProxy(UObject const* Context);
+	bool IsSimulatedProxy(UGasaObject const* Context);
+	bool IsSimulatedProxy(AActor const* Context);
+	
+	void NetLog( UObject const* Context, FString Message, EGasaVerbosity Verbosity = EGasaVerbosity::Log
+		, FLogCategoryBase& Category  = LogGasaNet
+		, bool              DumpStack = false
+		, int32             Line      = __builtin_LINE()
+		, const ANSICHAR*   File      = __builtin_FILE()
+		, const ANSICHAR*   Func      = __builtin_FUNCTION() );
+	
+	bool ServerAuthorized(UObject const* Context);
+	bool ServerAuthorized(UGasaObject const* Context);
+	bool ServerAuthorized(AActor const* Context);
 }

Project/Source/Gasa/Networking/GasaNetLibrary_Inlines.h

@@ -0,0 +1,278 @@
+#include "GasaNetLibrary.h"
+#include "GasaObject.h"
+#include "Engine/NetDriver.h"
+#include "Game/GasaGameMode.h"
+#include "Kismet/KismetMathLibrary.h"
+#include "Kismet/KismetSystemLibrary.h"
+
+namespace Gasa
+{
+	// TODO(Ed): Profile these...
+
+	inline
+	void DrawNetCullingSphere(const UObject* Context, float Duration, float Thickness)
+	{
+		const AActor* actor = nullptr;
+	
+		if (Context->IsA(UGasaObject::StaticClass()))
+			actor = Cast<AActor>(Context->GetOuter());
+		
+		else if (Context->IsA(AActor::StaticClass()))
+			actor = Cast<AActor>(Context);	
+
+		if (actor)
+			UKismetSystemLibrary::DrawDebugSphere(actor
+				, actor->GetActorLocation()
+				, UKismetMathLibrary::Sqrt(actor->NetCullDistanceSquared) * 2
+				, 12
+				, FLinearColor(FColor::Emerald)
+				, Duration
+				, Thickness);
+	}
+
+	inline
+	ENetworkMode GetNetworkMode(UObject const* Context)
+	{
+		if (Context == nullptr)
+		{
+			Log("Context is null...", ELogV::Error);
+			return scast(ENetworkMode, ENetMode::NM_MAX);
+		}
+		UWorld* World = Context->GetWorld();
+		if (World == nullptr) {
+			Log("World is null... are you running in a proper context?", ELogV::Error);
+			return scast(ENetworkMode, ENetMode::NM_MAX);
+		}
+
+		if (IsValid(World) == false)
+			return ENetworkMode::Standalone;
+		
+		ENetworkMode NetMode = scast(ENetworkMode, World->GetNetMode());
+		return NetMode;
+	}
+
+	inline
+	FString GetNetworkModeStr(UObject const* Context)
+	{
+		FString Str;
+		if (Context == nullptr)
+			return Str;
+		switch (GetNetworkMode(Context))
+		{
+			case ENetworkMode::Standalone:
+				Str = TEXT("Standalone");
+			break;
+			case ENetworkMode::ListenServer:
+				Str = TEXT("ListenServer");
+			break;
+			case ENetworkMode::DedicatedServer:
+				Str = TEXT("DedicatedServer");
+			break;
+			case ENetworkMode::Client:
+				Str = TEXT("Client");
+			break;
+		}
+		return Str;
+	}
+
+	inline
+	bool IsClient(UObject const* Context)
+	{
+		if (Context == nullptr || Context->GetWorld() == nullptr)
+			return false;
+		
+		UNetDriver* NetDriver = Context->GetWorld()->NetDriver;
+		bool Result = NetDriver && ! NetDriver->IsServer();
+		return Result;
+	}
+
+	inline
+	bool IsListenServer(UObject const* Context)
+	{
+		if (Context == nullptr || Context->GetWorld() == nullptr)
+			return false;
+
+		UNetDriver* NetDriver = Context->GetWorld()->NetDriver;
+		bool Result = NetDriver && NetDriver->GetNetMode() == ENetMode::NM_ListenServer;
+		return Result;	
+	}
+
+	inline
+	bool IsNetOwner(UObject const* Context)
+	{
+		if (Context == nullptr || Context->GetWorld() == nullptr)
+			return false;
+
+		AActor const* Actor = nullptr;
+		
+		if (Context->IsA(AActor::StaticClass()))
+			Actor = Cast<AActor>(Context);
+		else if (Context->GetClass()->IsChildOf(UActorComponent::StaticClass()))
+			Actor = Cast<UActorComponent>(Context)->GetOwner();
+		// Its assumed that all GasaObjects have an outer actor
+		else if (Context->IsA(UGasaObject::StaticClass()))
+			Actor = Cast<AActor>(Context->GetOuter());
+		else
+		{
+			UObject const* Outermost = Context->GetOutermostObject();
+			if (Outermost->IsA(AActor::StaticClass()))
+				Actor = Cast<AActor>(Outermost);
+		}
+
+		if (Actor == nullptr)
+		{
+			Log("Could not get actor reference", ELogV::Warning, LogGasaNet);
+			return false;
+		}
+		bool Result = Actor->HasLocalNetOwner();
+		return Result;
+	}
+
+	inline
+	bool IsNetOwner(UGasaObject const* Context)
+	{
+		if (Context == nullptr || Context->GetWorld() == nullptr)
+			return false;
+
+		AActor const* Actor = Cast<AActor>(Context->GetOuter());
+		if (Actor == nullptr)
+		{
+			Log("Could not get actor reference", ELogV::Warning, LogGasaNet);
+			return false;
+		}
+		bool Result = Actor->HasLocalNetOwner();
+		return Result;	
+	}
+
+	inline
+	bool IsNetOwner(AActor const* Actor)
+	{
+		if (Actor == nullptr || Actor->GetWorld() == nullptr)
+			return false;
+		bool Result = Actor->HasLocalNetOwner();
+		return Result;		
+	}
+
+	inline
+	bool IsServer(UObject const* Context)
+	{
+		if (Context == nullptr || Context->GetWorld() == nullptr)
+			return false;
+
+		UNetDriver* NetDriver = Context->GetWorld()->NetDriver;
+		bool Result = NetDriver && NetDriver->IsServer();
+		return Result;
+	}
+
+	inline
+	bool IsSimulatedProxy(UObject const* Context)
+	{
+		if (Context == nullptr || Context->GetWorld() == nullptr)
+			return false;
+
+		AActor const* Actor = nullptr;
+		
+		if (Context->IsA(AActor::StaticClass()))
+			Actor = Cast<AActor>(Context);
+		else if (Context->GetClass()->IsChildOf(UActorComponent::StaticClass()))
+			Actor = Cast<UActorComponent>(Context)->GetOwner();
+		// Its assumed that all GasaObjects have an outer actor
+		else if (Context->IsA(UGasaObject::StaticClass()))
+			Actor = Cast<AActor>(Context->GetOuter());
+		else
+		{
+			UObject const* Outermost = Context->GetOutermostObject();
+			if (Outermost->IsA(AActor::StaticClass()))
+				Actor = Cast<AActor>(Outermost);
+		}
+
+		if (Actor == nullptr)
+		{
+			Log("Could not get actor reference", ELogV::Warning, LogGasaNet);
+			return false;
+		}
+		bool Result = Actor->GetLocalRole() == ENetRole::ROLE_SimulatedProxy;
+		return Result;	
+	}
+
+	inline
+	bool IsSimulatedProxy(UGasaObject const* Context)
+	{
+		if (Context == nullptr || Context->GetWorld() == nullptr)
+			return false;
+
+		AActor const* Actor = Cast<AActor>(Context->GetOuter());
+		if (Actor == nullptr)
+		{
+			Log("Could not get actor reference", ELogV::Warning, LogGasaNet);
+			return false;
+		}
+		bool Result = Actor->GetLocalRole() == ENetRole::ROLE_SimulatedProxy;
+		return Result;	
+	}
+	
+	inline
+	bool IsSimulatedProxy(AActor const* Actor)
+	{
+		if (Actor == nullptr || Actor->GetWorld() == nullptr)
+			return false;
+		bool Result = Actor->GetLocalRole() == ENetRole::ROLE_SimulatedProxy;
+		return Result;	
+	}
+
+	inline
+	bool ServerAuthorized(UObject const* Context)
+	{
+		if (Context == nullptr || Context->GetWorld() == nullptr)
+			return false;
+
+		AActor const* Actor = nullptr;
+
+		if (Context->IsA(AActor::StaticClass()))
+			Actor = Cast<AActor>(Context);
+		else if (Context->GetClass()->IsChildOf(UActorComponent::StaticClass()))
+			Actor = Cast<UActorComponent>(Context)->GetOwner();
+		// Its assumed that all GasaObjects have an outer actor
+		else if (Context->IsA(UGasaObject::StaticClass()))
+			Actor = Cast<AActor>(Context->GetOuter());
+		else
+		{
+			UObject const* Outermost = Context->GetOutermostObject();
+			if (Outermost->IsA(AActor::StaticClass()))
+				Actor = Cast<AActor>(Outermost);
+		}
+
+		if (Actor == nullptr)
+		{
+			Log("Could not get actor reference", ELogV::Warning, LogGasaNet);
+			return false;
+		}
+		bool Result = Actor->HasAuthority();
+		return Result;
+	}
+	
+	inline
+	bool ServerAuthorized(UGasaObject const* Context)
+	{
+		if (Context == nullptr || Context->GetWorld() == nullptr)
+			return false;
+
+		AActor const* Actor = Cast<AActor>(Context->GetOuter());
+		if (Actor == nullptr)
+		{
+			Log("Could not get actor reference", ELogV::Warning, LogGasaNet);
+			return false;
+		}
+		bool Result = Actor->HasAuthority();
+		return Result;
+	}
+
+	inline
+	bool ServerAuthorized(AActor const* Actor)
+	{
+		if (Actor == nullptr || Actor->GetWorld() == nullptr)
+			return false;
+		bool Result = Actor->HasAuthority();
+		return Result;
+	}
+}

Project/Source/Gasa/UI/GasaHUD.cpp

@@ -8,10 +8,10 @@ using namespace Gasa;
 
 void AGasaHUD::InitHostWidget(FWidgetControllerData const* WidgetControllerData)
 {
-	HostWidget = CreateWidget<UHUDHostWidget>( GetWorld() 
+	HostWidget = CreateWidget<UHUDHostWidget>( GetWorld()  
 		, GetDevOptions()->Template_HUD_HostUI.LoadSynchronous() );
 
-	HostWidgetController = NewObject<UHostWidgetController>(this, GetDevOptions()->Template_HostWidgetController.Get());
+	HostWidgetController       = NewObject<UHostWidgetController>(this, GetDevOptions()->Template_HostWidgetController.Get());
 	HostWidgetController->Data = (* WidgetControllerData);
 	HostWidget->SetWidgetController(HostWidgetController);
 	HostWidgetController->BindCallbacksToDependencies();

Project/Source/Gasa/UI/HostWIdgetController.cpp

@@ -3,6 +3,9 @@
 #include "AbilitySystem/GasaAttributeSet.h"
 #include "GameplayEffectTypes.h"
 
+
+
+
 #pragma region Attribute Changed Callbacks
 // Attribute Changed Callbacks are generated by GasaGen/GasaGen_HostWidgetController.cpp
 

Project/Source/GasaEditor.Target.cs

@@ -2,6 +2,7 @@ using System;
 using System.Diagnostics;
 using System.IO;
 using System.Runtime;
+using UnrealBuildTool;
 using BuildSettingsVersion = UnrealBuildTool.BuildSettingsVersion;
 using TargetInfo = UnrealBuildTool.TargetInfo;
 using TargetRules = UnrealBuildTool.TargetRules;
@@ -17,6 +18,7 @@ public class GasaEditorTarget : TargetRules
         
         bUseUnityBuild = true;
         // bUseXGEController = false;
+        LinkType = TargetLinkType.Modular;
         
 		ExtraModuleNames.Add("Gasa");
 		ExtraModuleNames.Add("GasaEditor");

Project/Source/GasaGen/GasaGen.cpp

@@ -18,6 +18,7 @@ using namespace gen;
 #include "GasaGen_ChangeBPActionMenu.cpp"
 #include "GasaGen_DevOptionsCache.cpp"
 #include "GasaGen_HostWidgetController.cpp"
+#include "GasaGen_NetSlime.cpp"
 
 int gen_main()
 {
@@ -80,6 +81,7 @@ int gen_main()
 	gen_UGasaAttributeSet();
 	gen_FGasaDevOptionsCache();
 	gen_UHostWidgetController();
+	// gen_netslime_interfaces();
 
 	// One offs
 	if (0)

Project/Source/GasaGen/GasaGenCommon.cpp

@@ -13,6 +13,9 @@ using namespace gen;
 #define path_config              path_source      "Config/"
 #define path_module_gasa         path_source      "Gasa/"
 #define path_gasa_ability_system path_module_gasa "AbilitySystem/"
+#define path_gasa_actors         path_module_gasa "Actors/"
+#define path_gasa_characters     path_module_gasa "Characters/"
+#define path_gasa_game           path_module_gasa "Game/"
 #define path_gasa_ui             path_module_gasa "UI/"
 
 constexpr StrC str_DECLARE_CLASS                                         = txt("DECLARE_CLASS(");

Project/Source/GasaGen/GasaGen_NetSlime.cpp

@@ -0,0 +1,118 @@
+// Used in the GasaGen.cpp translation unit
+#if GASA_INTELLISENSE_DIRECTIVES
+#pragma once
+#define GEN_EXPOSE_BACKEND
+#include "gen.hpp"
+#include "gen.builder.hpp"
+#include "GasaGenCommon.cpp"
+#endif
+
+void gen_netslime_interface(CodeClass aclass)
+{
+	CodeBody net_slime_class_interface = def_body(ECode::Class_Body);
+	{
+	#pragma push_macro("FORCEINLINE")
+	#undef FORCEINLINE
+		CodeFn DrawNetCullingSphere = parse_function( code(
+			FORCEINLINE void DrawNetCullingSphere(float Duration, float Thickness) const final { Gasa::DrawNetCullingSphere(this, Duration, Thickness); }
+		));
+		CodeFn GetNetworkMode   = parse_function( code( FORCEINLINE ENetworkMode GetNetworkMode()   const { return Gasa::GetNetworkMode(this); }  ));
+		CodeFn IsClient         = parse_function( code( FORCEINLINE bool         IsClient()         const { return Gasa::IsClient(this); }        ));
+		CodeFn IsListenServer   = parse_function( code( FORCEINLINE bool         IsListenServer()   const { return Gasa::IsListenServer(this); }  ));
+		CodeFn IsNetOwner       = parse_function( code( FORCEINLINE bool         IsNetOwner()       const { return Gasa::IsNetOwner(this); }      ));
+		CodeFn IsServer         = parse_function( code( FORCEINLINE bool         IsServer()         const { return Gasa::IsServer(this); }        ));
+		CodeFn IsSimulatedProxy = parse_function( code( FORCEINLINE bool         IsSimulatedProxy() const { return Gasa::IsSimulatedProxy(this); } ));
+		CodeFn NetLog = parse_function( code(
+			FORCEINLINE void NetLog( FString Message, EGasaVerbosity Verbosity = EGasaVerbosity::Log
+				, FLogCategoryBase& Category  = LogGasaNet
+				, bool              DumpStack = false
+				, int32             Line      = __builtin_LINE()
+				, const ANSICHAR*   File      = __builtin_FILE()
+				, const ANSICHAR*   Func      = __builtin_FUNCTION() )
+			{
+				Gasa::NetLog(this, Message, Verbosity, Category, DumpStack, Line, File, Func );
+			}
+		));
+		CodeFn ServerAuthorized = parse_function( code( FORCEINLINE bool ServerAuthorized() const { return Gasa::ServerAuthorized(this); } ));
+	#pragma pop_macro("FORCEINLINE")
+		net_slime_class_interface.append(GetNetworkMode);
+		net_slime_class_interface.append(IsClient);
+		net_slime_class_interface.append(IsListenServer);
+		net_slime_class_interface.append(IsNetOwner);
+		net_slime_class_interface.append(IsServer);
+		net_slime_class_interface.append(IsSimulatedProxy);
+		net_slime_class_interface.append(NetLog);
+	}
+
+	CodeBody new_body = def_body(ECode::Class_Body);
+	for(Code code = aclass->Body.begin(); code != aclass->Body.end(); ++ code )
+	{
+		switch (code->Type)
+		{
+			default:
+				new_body.append(code);
+			break;
+
+			// TODO(Ed): Could this be turned into a singly? void find_and_swap_region_pragma(CodeClass, StrC region)
+			// IT could return void if its assumed that the Code passed will have destructive edits to the body.
+			case ECode::Preprocess_Pragma:
+			{
+				local_persist bool found = false;
+				if (found || ! code->Content.starts_with( txt("region NetSlime")))
+				{
+					new_body.append(code);
+					continue;
+				}
+
+				// Add pragma
+				new_body.append(code);
+				++ code;
+
+				new_body.append( def_comment( txt("NetSlime interface is generated by GasaGen/GasaGen_NetSlime.cpp")));
+				new_body.append(net_slime_class_interface);
+
+				while (code->Type != ECode::Preprocess_Pragma
+					|| ! code->Content.starts_with(txt("endregion NetSlime")))
+					++ code;
+
+				new_body.append(code);
+			}
+			break;
+		}
+	}
+	aclass->Body = new_body;
+}
+
+void gen_netslime_interfaces()
+{
+	Array<StringCached> header_paths = Array<StringCached>::init_reserve(GlobalAllocator, 32);
+	// header_paths.append(get_cached_string(txt( path_module_gasa     "GasaObject.h")));
+	// header_paths.append(get_cached_string(txt( path_gasa_actors     "GasaActor.h")));
+	// header_paths.append(get_cached_string(txt( path_gasa_characters "GasaCharacter.h")));
+	// header_paths.append(get_cached_string(txt( path_gasa_game       "GasaGameMode.h")));
+	// header_paths.append(get_cached_string(txt( path_gasa_game       "GasaGameState.h")));
+
+	for (StringCached path : header_paths)
+	{
+		CodeBody original_header = parse_file(path);
+		CodeBody header_body     = def_body(ECode::Global_Body);
+		for (Code code : original_header)
+		{
+			switch (code->Type) {
+			case ECode::Class:
+			{
+				CodeClass aclass = code.cast<CodeClass>();
+				gen_netslime_interface(aclass);
+				header_body.append(aclass);
+			}
+			break;
+			default:
+				header_body.append(code);
+			}
+		}
+		Builder header = Builder::open(path);
+		header.print(header_body);
+		header.write();
+		format_file(path);
+	}
+}

Project/Source/GasaGen/GasaGen_UGasaAttributeSet.cpp

@@ -272,6 +272,7 @@ void def_attribute_field_value_setters( CodeBody body, Array<StringCached> prope
 
 void def_attribute_field_property_setter_inlines( CodeBody body, StrC class_name, Array<StringCached> properties )
 {
+	body.append(def_pragma( txt("region Attribute Setters")));
 	for ( String property : properties )
 	{
 		CodeFn generated_get_attribute = parse_function(
@@ -288,6 +289,7 @@ void def_attribute_field_property_setter_inlines( CodeBody body, StrC class_name
 			)));
 		body.append( generated_get_attribute );
 	}
+	body.append(def_pragma( txt("endregion Attribute Setters")));
 }
 
 void def_attribute_field_initers ( CodeBody body, Array<StringCached> properties )
@@ -307,11 +309,10 @@ void def_attribute_field_initers ( CodeBody body, Array<StringCached> properties
 
 void impl_attribute_fields( CodeBody body, StrC class_name, Array<StringCached> properties )
 {
+	body.append(fmt_newline);
 	body.append(def_pragma( txt("region Rep Notifies")));
 	for ( String property : properties )
 	{
-		body.append(fmt_newline);
-
 		CodeFn field_impl = parse_function( token_fmt(
 			"class_name", class_name, "property", (StrC)property, "from_notice", txt("\n// From GAMEPLAYATTRIBUTE_REPNOTIFY\n"),
 		stringize(
@@ -326,6 +327,7 @@ void impl_attribute_fields( CodeBody body, StrC class_name, Array<StringCached>
 		body.append( field_impl );
 	}
 	body.append( def_pragma( txt("endregion Rep Notifies")));
+	body.append(fmt_newline);
 }
 
 inline

Project/Source/GasaGen/gen.cpp

@@ -1610,7 +1610,7 @@ void CodeConstructor::to_string_fwd( String& result )
 	if ( ast->InlineCmt )
 		result.append_fmt( "; // %S\n", ast->InlineCmt->Content );
 	else
-		result.append( ";" );
+		result.append( ";\n" );
 }
 
 String CodeClass::to_string()
@@ -6278,6 +6278,16 @@ namespace parser
 			move_forward();
 			preprocess_content.Length++;
 
+			if ( current == '\r' && scanner[1] == '\n' )
+			{
+				move_forward();
+				move_forward();
+			}
+			else if ( current == '\n' )
+			{
+				move_forward();
+			}
+
 			Tokens.append( preprocess_content );
 			return Lex_Continue;    // Skip found token, its all handled here.
 		}
@@ -7262,7 +7272,7 @@ namespace parser
 		Tokens            = Array<Token>::init_reserve( LexArena, ( LexAllocator_Size - sizeof( Array<Token>::Header ) ) / sizeof( Token ) );
 
 		defines_map_arena = Arena_256KB::init();
-		defines           = HashTable<StrC>::init( defines_map_arena );
+		defines           = HashTable<StrC>::init_reserve( defines_map_arena, 256 );
 	}
 
 	internal void deinit()

Project/Source/GasaGen/gen.dep.hpp

@@ -1663,7 +1663,7 @@ struct Array
 	{
 		Header& header = *get_header();
 
-		if ( begin < 0 || end >= header.Num )
+		if ( begin < 0 || end > header.Num )
 			return false;
 
 		for ( sw idx = begin; idx < end; idx++ )
@@ -1820,13 +1820,11 @@ struct HashTable
 		Type Value;
 	};
 
+	static constexpr f32 CriticalLoadScale = 0.7f;
+
 	static HashTable init( AllocatorInfo allocator )
 	{
-		HashTable<Type> result = { { nullptr }, { nullptr } };
-
-		result.Hashes          = Array<sw>::init( allocator );
-		result.Entries         = Array<Entry>::init( allocator );
-
+		HashTable<Type> result = init_reserve(allocator, 8);
 		return result;
 	}
 
@@ -1834,21 +1832,19 @@ struct HashTable
 	{
 		HashTable<Type> result          = { { nullptr }, { nullptr } };
 
-		result.Hashes                   = Array<sw>::init_reserve( allocator, num );
+		result.Hashes = Array<sw>::init_reserve( allocator, num );
 		result.Hashes.get_header()->Num = num;
+		result.Hashes.resize( num );
+		result.Hashes.fill( 0, num, -1);
 
-		result.Entries                  = Array<Entry>::init_reserve( allocator, num );
-
+		result.Entries = Array<Entry>::init_reserve( allocator, num );
 		return result;
 	}
 
 	void clear( void )
 	{
-		for ( sw idx = 0; idx < Hashes.num(); idx++ )
-			Hashes[idx] = -1;
-
-		Hashes.clear();
 		Entries.clear();
+		Hashes.fill( 0, Hashes.num(), -1);
 	}
 
 	void destroy( void )
@@ -1901,32 +1897,19 @@ struct HashTable
 
 	void rehash( sw new_num )
 	{
-		sw idx;
 		sw last_added_index;
 
-		HashTable<Type> new_ht         = init_reserve( Hashes.get_header()->Allocator, new_num );
-
-		Array<sw>::Header* hash_header = new_ht.Hashes.get_header();
-
-		for ( idx = 0; idx < new_ht.Hashes.num(); ++idx )
-			new_ht.Hashes[idx] = -1;
-
-		for ( idx = 0; idx < Entries.num(); ++idx )
+		HashTable<Type> new_ht = init_reserve( Hashes.get_header()->Allocator, new_num );
+		for ( sw idx = 0; idx < Entries.num(); ++idx )
 		{
-			Entry& entry = Entries[idx];
-
 			FindResult find_result;
 
-			if ( new_ht.Hashes.num() == 0 )
-				new_ht.grow();
-
-			entry            = Entries[idx];
+			Entry& entry     = Entries[idx];
 			find_result      = new_ht.find( entry.Key );
 			last_added_index = new_ht.add_entry( entry.Key );
 
 			if ( find_result.PrevIndex < 0 )
 				new_ht.Hashes[find_result.HashIndex] = last_added_index;
-
 			else
 				new_ht.Entries[find_result.PrevIndex].Next = last_added_index;
 
@@ -1984,11 +1967,10 @@ struct HashTable
 		sw         idx;
 		FindResult find_result;
 
-		if ( Hashes.num() == 0 )
+		if ( full() )
 			grow();
 
 		find_result = find( key );
-
 		if ( find_result.EntryIndex >= 0 )
 		{
 			idx = find_result.EntryIndex;
@@ -2060,7 +2042,9 @@ protected:
 
 	b32 full()
 	{
-		return 0.75f * Hashes.num() < Entries.num();
+		uw critical_load = uw( CriticalLoadScale * f32(Hashes.num()) );
+		b32 result = Entries.num() > critical_load;
+		return result;
 	}
 };
 
@@ -2096,7 +2080,7 @@ struct StrC
 #define txt( text )              \
 	StrC                         \
 	{                            \
-		sizeof( text ) - 1, text \
+		sizeof( (text) ) - 1, (text) \
 	}
 
 StrC to_str( char const* str )