From ac61585f5c54abb39fffae933775e118337ec947 Mon Sep 17 00:00:00 2001
From: Kevin <kevinporetti@gmail.com>
Date: Mon, 17 Jan 2022 16:51:59 -0500
Subject: [PATCH] Custom engine which caps framerate to 60fps and fixes
 timestep to 1/60

Custom engine which caps framerate to 60fps and fixes timestep to 1/60
---
 KOFForever/Config/DefaultEngine.ini           |  3 +++
 KOFForever/KOFForever.uproject                |  3 ++-
 .../Source/KOFForever/KOFForever.Build.cs     |  2 +-
 .../KOFForever/Private/Engine/KOFEdEngine.cpp | 14 +++++++++++++
 .../Private/Engine/KOFGameEngine.cpp          | 14 +++++++++++++
 .../KOFForever/Public/Engine/KOFEdEngine.h    | 20 +++++++++++++++++++
 .../KOFForever/Public/Engine/KOFGameEngine.h  | 20 +++++++++++++++++++
 7 files changed, 74 insertions(+), 2 deletions(-)
 create mode 100644 KOFForever/Source/KOFForever/Private/Engine/KOFEdEngine.cpp
 create mode 100644 KOFForever/Source/KOFForever/Private/Engine/KOFGameEngine.cpp
 create mode 100644 KOFForever/Source/KOFForever/Public/Engine/KOFEdEngine.h
 create mode 100644 KOFForever/Source/KOFForever/Public/Engine/KOFGameEngine.h

diff --git a/KOFForever/Config/DefaultEngine.ini b/KOFForever/Config/DefaultEngine.ini
index 32eb7ba..3236a5c 100644
--- a/KOFForever/Config/DefaultEngine.ini
+++ b/KOFForever/Config/DefaultEngine.ini
@@ -28,6 +28,9 @@ AppliedDefaultGraphicsPerformance=Maximum
 +ActiveGameNameRedirects=(OldGameName="/Script/TP_SideScroller",NewGameName="/Script/KOFForever")
 +ActiveClassRedirects=(OldClassName="TP_SideScrollerGameMode",NewClassName="KOFForeverGameMode")
 +ActiveClassRedirects=(OldClassName="TP_SideScrollerCharacter",NewClassName="KOFForeverCharacter")
+GameEngine=/Script/KOFForever.KOFGameEngine
+EditorEngine=/Script/UnrealEd.EditorEngine
+UnrealEdEngine=/Script/KOFForever.KOFEdEngine
 
 [SystemSettingsEditor]
 r.Editor.SkipSourceControlCheckForEditablePackages = 1
diff --git a/KOFForever/KOFForever.uproject b/KOFForever/KOFForever.uproject
index 0451eda..d44e0a2 100644
--- a/KOFForever/KOFForever.uproject
+++ b/KOFForever/KOFForever.uproject
@@ -11,7 +11,8 @@
 			"AdditionalDependencies": [
 				"Paper2D",
 				"Engine",
-				"CoreUObject"
+				"CoreUObject",
+				"UnrealEd"
 			]
 		}
 	]
diff --git a/KOFForever/Source/KOFForever/KOFForever.Build.cs b/KOFForever/Source/KOFForever/KOFForever.Build.cs
index fff1c36..3834df4 100644
--- a/KOFForever/Source/KOFForever/KOFForever.Build.cs
+++ b/KOFForever/Source/KOFForever/KOFForever.Build.cs
@@ -8,6 +8,6 @@ public class KOFForever : ModuleRules
 	{
 		PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
 
-		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "Paper2D" });
+		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "Paper2D", "UnrealEd" });
 	}
 }
diff --git a/KOFForever/Source/KOFForever/Private/Engine/KOFEdEngine.cpp b/KOFForever/Source/KOFForever/Private/Engine/KOFEdEngine.cpp
new file mode 100644
index 0000000..1bc722a
--- /dev/null
+++ b/KOFForever/Source/KOFForever/Private/Engine/KOFEdEngine.cpp
@@ -0,0 +1,14 @@
+
+
+
+#include "Engine/KOFEdEngine.h"
+
+void UKOFEdEngine::Tick(float DeltaSeconds, bool bIdleMode)
+{
+	Super::Tick(1.0f / 60.0f, bIdleMode);
+}
+
+float UKOFEdEngine::GetMaxTickRate(float DeltaTime, bool bAllowFrameRateSmoothing) const
+{
+	return 60.0f;
+}
diff --git a/KOFForever/Source/KOFForever/Private/Engine/KOFGameEngine.cpp b/KOFForever/Source/KOFForever/Private/Engine/KOFGameEngine.cpp
new file mode 100644
index 0000000..628f147
--- /dev/null
+++ b/KOFForever/Source/KOFForever/Private/Engine/KOFGameEngine.cpp
@@ -0,0 +1,14 @@
+
+
+
+#include "Engine/KOFGameEngine.h"
+
+void UKOFGameEngine::Tick(float DeltaSeconds, bool bIdleMode)
+{
+	Super::Tick(1.0f / 60.0f, bIdleMode);
+}
+
+float UKOFGameEngine::GetMaxTickRate(float DeltaTime, bool bAllowFrameRateSmoothing) const
+{
+	return 60.0f;
+}
diff --git a/KOFForever/Source/KOFForever/Public/Engine/KOFEdEngine.h b/KOFForever/Source/KOFForever/Public/Engine/KOFEdEngine.h
new file mode 100644
index 0000000..9a73e01
--- /dev/null
+++ b/KOFForever/Source/KOFForever/Public/Engine/KOFEdEngine.h
@@ -0,0 +1,20 @@
+
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Editor/UnrealEdEngine.h"
+#include "KOFEdEngine.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class KOFFOREVER_API UKOFEdEngine : public UUnrealEdEngine
+{
+	GENERATED_BODY()
+
+	virtual void Tick(float DeltaSeconds, bool bIdleMode) override;
+
+	virtual float GetMaxTickRate(float DeltaTime, bool bAllowFrameRateSmoothing) const override;
+};
diff --git a/KOFForever/Source/KOFForever/Public/Engine/KOFGameEngine.h b/KOFForever/Source/KOFForever/Public/Engine/KOFGameEngine.h
new file mode 100644
index 0000000..f525b66
--- /dev/null
+++ b/KOFForever/Source/KOFForever/Public/Engine/KOFGameEngine.h
@@ -0,0 +1,20 @@
+
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Engine/GameEngine.h"
+#include "KOFGameEngine.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class KOFFOREVER_API UKOFGameEngine : public UGameEngine
+{
+	GENERATED_BODY()
+
+	virtual void Tick(float DeltaSeconds, bool bIdleMode) override;
+
+	virtual float GetMaxTickRate(float DeltaTime, bool bAllowFrameRateSmoothing) const override;
+};