From f5a178b9bba8771fb53669742adbade3ba33880a Mon Sep 17 00:00:00 2001
From: Jonas Kulla <Nyocurio@gmail.com>
Date: Thu, 17 Oct 2013 02:18:16 +0200
Subject: [PATCH] Add config option "fixedFramerate"

---
 README.md        | 1 +
 src/config.cpp   | 2 ++
 src/config.h     | 2 ++
 src/graphics.cpp | 7 +++++++
 4 files changed, 12 insertions(+)

diff --git a/README.md b/README.md
index d2af8ac..6fccdc4 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,7 @@ mkxp reads configuration data from the file "mkxp.conf" contained in the current
 | vsync            | bool        | false   | Sync screen redraws to the monitor refresh rate                                 |
 | defScreenW       | int         | 640     | Width the game window starts in (this is **not** the game resolution)           |
 | defScreenH       | int         | 480     | Height the game window starts in                                                |
+| fixedFramerate   | int         | 0       | FPS will be fixed to this amount. Ignored if 0.                                 |
 | solidFonts       | bool        | false   | Don't use alpha blending for fonts                                              |
 | gameFolder       | string      | "."     | mkxp will look for all game related files here                                  |
 | customScript     | string      | ""      | Execute a raw ruby script file instead of an RPG Maker game.                    |
diff --git a/src/config.cpp b/src/config.cpp
index 8ec62d5..0b24682 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -37,6 +37,7 @@ Config::Config()
       vsync(false),
       defScreenW(640),
       defScreenH(480),
+      fixedFramerate(0),
       solidFonts(false),
       gameFolder(".")
 {}
@@ -55,6 +56,7 @@ void Config::read()
 	READ_VAL(vsync, Bool);
 	READ_VAL(defScreenW, Int);
 	READ_VAL(defScreenH, Int);
+	READ_VAL(fixedFramerate, Int);
 	READ_VAL(solidFonts,  Bool);
 	READ_VAL(gameFolder, ByteArray);
 	READ_VAL(customScript, ByteArray);
diff --git a/src/config.h b/src/config.h
index 6d1492a..29c949e 100644
--- a/src/config.h
+++ b/src/config.h
@@ -40,6 +40,8 @@ struct Config
 	int defScreenW;
 	int defScreenH;
 
+	int fixedFramerate;
+
 	bool solidFonts;
 
 	QByteArray gameFolder;
diff --git a/src/graphics.cpp b/src/graphics.cpp
index 7dc3db2..fd78535 100644
--- a/src/graphics.cpp
+++ b/src/graphics.cpp
@@ -451,6 +451,9 @@ Graphics::Graphics(RGSSThreadData *data)
 {
 	p = new GraphicsPrivate;
 	p->threadData = data;
+
+	if (data->config.fixedFramerate > 0)
+		p->fpsLimiter.setDesiredFPS(data->config.fixedFramerate);
 }
 
 Graphics::~Graphics()
@@ -580,6 +583,10 @@ DEF_ATTR_SIMPLE(Graphics, FrameCount, int, p->frameCount)
 void Graphics::setFrameRate(int value)
 {
 	p->frameRate = clamp(value, 10, 120);
+
+	if (p->threadData->config.fixedFramerate > 0)
+		return;
+
 	p->fpsLimiter.setDesiredFPS(p->frameRate);
 }