From a4c34112af75b96b149afa31ed152ebd8d650324 Mon Sep 17 00:00:00 2001
From: Trihedraf <forrestgherr@gmail.com>
Date: Thu, 11 Mar 2021 23:58:20 -0800
Subject: [PATCH] :triangular_flag_on_post: Add ini toggle for FPS Limit.
 Enabled by default. (#1165)

---
 Source/diablo.cpp | 2 ++
 Source/diablo.h   | 2 ++
 SourceX/dx.cpp    | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/Source/diablo.cpp b/Source/diablo.cpp
index 310007e37..b6eee2ab6 100644
--- a/Source/diablo.cpp
+++ b/Source/diablo.cpp
@@ -416,6 +416,7 @@ static void SaveOptions()
 	setIniInt("Graphics", "Blended Transparency", sgOptions.Graphics.bBlendedTransparancy);
 	setIniInt("Graphics", "Gamma Correction", sgOptions.Graphics.nGammaCorrection);
 	setIniInt("Graphics", "Color Cycling", sgOptions.Graphics.bColorCycling);
+	setIniInt("Graphics", "FPS Limiter", sgOptions.Graphics.bFPSLimit);
 
 	setIniInt("Game", "Speed", sgOptions.Gameplay.nTickRate);
 	setIniInt("Game", "Fast Walk", sgOptions.Gameplay.bJogInTown);
@@ -469,6 +470,7 @@ static void LoadOptions()
 	sgOptions.Graphics.bBlendedTransparancy = getIniBool("Graphics", "Blended Transparency", true);
 	sgOptions.Graphics.nGammaCorrection = getIniInt("Graphics", "Gamma Correction", 100);
 	sgOptions.Graphics.bColorCycling = getIniBool("Graphics", "Color Cycling", true);
+	sgOptions.Graphics.bFPSLimit = getIniBool("Graphics", "FPS Limiter", true);
 
 	sgOptions.Gameplay.nTickRate = getIniInt("Game", "Speed", 20);
 	sgOptions.Gameplay.bJogInTown = getIniBool("Game", "Fast Walk", false);
diff --git a/Source/diablo.h b/Source/diablo.h
index c7d1582a3..6f8ffe399 100644
--- a/Source/diablo.h
+++ b/Source/diablo.h
@@ -57,6 +57,8 @@ typedef struct GraphicsOptions {
 	Sint32 nGammaCorrection;
 	/** @brief Enable color cycling animations. */
 	bool bColorCycling;
+	/** @brief Enable FPS Limit. */
+	bool bFPSLimit;
 } GraphicsOptions;
 
 typedef struct GameplayOptions {
diff --git a/SourceX/dx.cpp b/SourceX/dx.cpp
index c931b30d1..5073fab50 100644
--- a/SourceX/dx.cpp
+++ b/SourceX/dx.cpp
@@ -246,6 +246,8 @@ void Blit(SDL_Surface *src, SDL_Rect *src_rect, SDL_Rect *dst_rect)
  */
 void LimitFrameRate()
 {
+	if (!sgOptions.Graphics.bFPSLimit)
+		return;
 	static uint32_t frameDeadline;
 	uint32_t tc = SDL_GetTicks() * 1000;
 	uint32_t v = 0;