Add 'printFPS' config entry to continuously print FPS to console

Useful on platforms that don't have window decorations.

mkxp.conf.sample

@@ -17,6 +17,14 @@
 # debugMode=false
 
 
+# Continuously print average FPS to console.
+# This setting does not affect the window title
+# FPS display toggled via F2
+# (default: disabled)
+#
+# printFPS=false
+
+
 # Game window is resizable
 # (default: disabled)
 #

src/config.cpp

@@ -142,6 +142,7 @@ namespace po = boost::program_options;
 Config::Config()
     : rgssVersion(0),
       debugMode(false),
+      printFPS(false),
       winResizable(false),
       fullscreen(false),
       fixedAspectRatio(true),
@@ -169,6 +170,7 @@ void Config::read(int argc, char *argv[])
 #define PO_DESC_ALL \
 	PO_DESC(rgssVersion, int) \
 	PO_DESC(debugMode, bool) \
+	PO_DESC(printFPS, bool) \
 	PO_DESC(winResizable, bool) \
 	PO_DESC(fullscreen, bool) \
 	PO_DESC(fixedAspectRatio, bool) \

src/config.h

@@ -25,11 +25,55 @@
 #include <string>
 #include <vector>
 
+struct TouchOverlay
+{
+	std::string image;
+
+	struct Button
+	{
+		enum Shape
+		{
+			Rectangle,
+			Circle,
+			Triangle
+		};
+
+		std::string id;
+		std::string target;
+		Shape shape;
+
+		int x;
+		int y;
+
+		union
+		{
+			struct
+			{
+				int width;
+				int height;
+			} r;
+
+			struct
+			{
+				int radius;
+			} c;
+			struct
+			{
+				int x1, y1;
+				int x2, y2;
+			} t;
+		} u;
+	};
+
+	std::vector<Button> buttons;
+};
+
 struct Config
 {
 	int rgssVersion;
 
 	bool debugMode;
+	bool printFPS;
 
 	bool winResizable;
 	bool fullscreen;

src/eventthread.cpp

@@ -87,12 +87,14 @@ void EventThread::process(RGSSThreadData &rtData)
 
 	fps.lastFrame = SDL_GetPerformanceCounter();
 	fps.displayCounter = 0;
-	fps.displaying = false;
-	fps.immInitFlag = false;
-	fps.immFiniFlag = false;
 	fps.acc = 0;
 	fps.accDiv = 0;
 
+	if (rtData.config.printFPS)
+		fps.sendUpdates.set();
+
+	bool displayingFPS = false;
+
 	bool cursorInWindow = false;
 	bool windowFocused = false;
 
@@ -210,14 +212,18 @@ void EventThread::process(RGSSThreadData &rtData)
 
 			if (event.key.keysym.scancode == SDL_SCANCODE_F2)
 			{
-				if (!fps.displaying)
+				if (!displayingFPS)
 				{
-					fps.immInitFlag = true;
+					fps.immInitFlag.set();
-					fps.displaying = true;
+					fps.sendUpdates.set();
+					displayingFPS = true;
 				}
 				else
 				{
-					fps.displaying = false;
+					displayingFPS = false;
+
+					if (!rtData.config.printFPS)
+						fps.sendUpdates.clear();
 
 					if (fullscreen)
 					{
@@ -333,7 +339,10 @@ void EventThread::process(RGSSThreadData &rtData)
 				break;
 
 			case UPDATE_FPS :
-				if (!fps.displaying)
+				if (rtData.config.printFPS)
+					Debug() << "FPS:" << event.user.code;
+
+				if (!fps.sendUpdates)
 					break;
 
 				snprintf(buffer, sizeof(buffer), "%s - %d FPS",
@@ -458,7 +467,7 @@ bool EventThread::getShowCursor() const
 
 void EventThread::notifyFrame()
 {
-	if (!fps.displaying)
+	if (!fps.sendUpdates)
 		return;
 
 	uint64_t current = SDL_GetPerformanceCounter();
@@ -467,8 +476,8 @@ void EventThread::notifyFrame()
 
 	if (fps.immInitFlag)
 	{
-		fps.immInitFlag = false;
+		fps.immInitFlag.clear();
-		fps.immFiniFlag = true;
+		fps.immFiniFlag.set();
 
 		return;
 	}
@@ -484,7 +493,7 @@ void EventThread::notifyFrame()
 		return;
 
 	fps.displayCounter = 0;
-	fps.immFiniFlag = false;
+	fps.immFiniFlag.clear();
 
 	int32_t avgFPS = fps.acc / fps.accDiv;
 	fps.acc = fps.accDiv = 0;

src/eventthread.h

@@ -98,9 +98,9 @@ private:
 	{
 		uint64_t lastFrame;
 		uint64_t displayCounter;
-		bool displaying;
+		AtomicFlag sendUpdates;
-		bool immInitFlag;
+		AtomicFlag immInitFlag;
-		bool immFiniFlag;
+		AtomicFlag immFiniFlag;
 		double acc;
 		uint32_t accDiv;
 	} fps;