Remove love.timer SDL implementation files, since they don’t do anything.

--HG--
branch : minor

src/common/config.h

@@ -147,7 +147,6 @@
 #	define LOVE_ENABLE_THREAD
 #	define LOVE_ENABLE_THREAD_SDL
 #	define LOVE_ENABLE_TIMER
-#	define LOVE_ENABLE_TIMER_SDL
 #	define LOVE_ENABLE_TOUCH
 #	define LOVE_ENABLE_TOUCH_SDL
 #	define LOVE_ENABLE_UTF8

src/common/delay.cpp

@@ -27,6 +27,8 @@ namespace love
 
 void sleep(unsigned int ms)
 {
+	// We don't need to initialize the SDL timer subsystem for SDL_Delay to
+	// function - and doing so causes SDL to create a worker thread.
 	SDL_Delay(ms);
 }
 

src/modules/timer/Timer.h

@@ -37,38 +37,39 @@ public:
 	virtual ~Timer() {}
 
 	// Implements Module.
-	virtual ModuleType getModuleType() const { return M_TIMER; }
+	ModuleType getModuleType() const override { return M_TIMER; }
+	const char *getName() const override { return "love.timer"; }
 
 	/**
 	 * Measures the time between this call and the previous call,
 	 * and updates internal values accordinly.
 	 **/
-	virtual void step();
+	void step();
 
 	/**
 	 * Tries to sleep for the specified amount of time. The precision is
 	 * usually 1ms.
 	 * @param seconds The number of seconds to sleep for.
 	 **/
-	virtual void sleep(double seconds) const;
+	void sleep(double seconds) const;
 
 	/**
 	 * Gets the time between the last two frames, assuming step is called
 	 * each frame.
 	 **/
-	virtual double getDelta() const;
+	double getDelta() const;
 
 	/**
 	 * Gets the average FPS over the last second. Beucase the value is only updated
 	 * once per second, it does not look erratic when displayed on screen.
 	 * @return The "current" FPS.
 	 **/
-	virtual int getFPS() const;
+	int getFPS() const;
 
 	/**
 	 * Gets the average delta time (seconds per frame) over the last second.
 	 **/
-	virtual double getAverageDelta() const;
+	double getAverageDelta() const;
 
 	/**
 	 * Gets the amount of time passed since an unspecified time. Useful for

src/modules/timer/sdl/Timer.cpp

@@ -1,48 +0,0 @@
-/**
- * Copyright (c) 2006-2016 LOVE Development Team
- *
- * This software is provided 'as-is', without any express or implied
- * warranty.  In no event will the authors be held liable for any damages
- * arising from the use of this software.
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- *    claim that you wrote the original software. If you use this software
- *    in a product, an acknowledgment in the product documentation would be
- *    appreciated but is not required.
- * 2. Altered source versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- **/
-
-// LOVE
-#include "Timer.h"
-
-namespace love
-{
-namespace timer
-{
-namespace sdl
-{
-
-Timer::Timer()
-{
-	// We don't need to initialize the SDL timer subsystem for SDL_Delay to
-	// function - and doing so causes SDL to create a worker thread.
-}
-
-Timer::~Timer()
-{
-}
-
-const char *Timer::getName() const
-{
-	return "love.timer.sdl";
-}
-
-} // sdl
-} // timer
-} // love

src/modules/timer/sdl/Timer.h

@@ -1,48 +0,0 @@
-/**
- * Copyright (c) 2006-2016 LOVE Development Team
- *
- * This software is provided 'as-is', without any express or implied
- * warranty.  In no event will the authors be held liable for any damages
- * arising from the use of this software.
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- *    claim that you wrote the original software. If you use this software
- *    in a product, an acknowledgment in the product documentation would be
- *    appreciated but is not required.
- * 2. Altered source versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- **/
-
-#ifndef LOVE_TIMER_SDL_TIMER_H
-#define LOVE_TIMER_SDL_TIMER_H
-
-// LOVE
-#include "timer/Timer.h"
-
-namespace love
-{
-namespace timer
-{
-namespace sdl
-{
-
-class Timer : public love::timer::Timer
-{
-public:
-
-	Timer();
-	virtual ~Timer();
-	const char *getName() const override;
-
-}; // Timer
-
-} // sdl
-} // timer
-} // love
-
-#endif // LOVE_TIMER_SDL_TIMER_H