move SDL event handling to a function, to make the main

loop simpler

stepmania/src/StepMania.cpp

@@ -500,13 +500,7 @@ static void HandleInputEvents(float fDeltaTime)
 	}
 }
 
-static void GameLoop()
-{
-	for(int hack = 0; hack < 1024; ++hack)
-		SDL_PumpEvents();
-
-	RageTimer timer;
-	while(1)
+static bool HandleSDLEvents()
 {
 	// process all queued events
 	SDL_Event event;
@@ -519,7 +513,7 @@ static void GameLoop()
 		{
 		case SDL_QUIT:
 			LOG->Trace("SDL_QUIT: shutting down");
-				return; /* exit the main loop */
+			return false; /* exit the main loop */
 		case SDL_VIDEORESIZE:
 			DISPLAY->ResolutionChanged(event.resize.w, event.resize.h);
 			break;
@@ -543,6 +537,17 @@ static void GameLoop()
 		}
 	}
 
+	return true;
+}
+
+static void GameLoop()
+{
+	RageTimer timer;
+	while(1)
+	{
+		if(!HandleSDLEvents())
+			return; /* exit the main loop (quit) */
+
 		/*
 		 * Update
 		 */
@@ -562,16 +567,14 @@ static void GameLoop()
 		SCREENMAN->Update( fDeltaTime );
 		SOUNDMAN->Update( fDeltaTime );
 
-		/* Important:  Process input AFTER updaing game logic, or input will be acting on song beat from last frame */
+		/* Important:  Process input AFTER updating game logic, or input will be acting on song beat from last frame */
 		HandleInputEvents( fDeltaTime );
 
 		/*
 		 * Render
 		 */
 		DISPLAY->Clear();
-
-		SCREENMAN->Draw();		// draw the game
-
+		SCREENMAN->Draw();
 		DISPLAY->Flip();
 
 		if(g_bHasFocus)