Codechange: [Video] move InteractiveRandom() to the VideoDriver

src/video/allegro_v.cpp

@@ -482,8 +482,6 @@ void VideoDriver_Allegro::InputLoop()
 void VideoDriver_Allegro::MainLoop()
 {
 	for (;;) {
-		InteractiveRandom(); // randomness
-
 		if (_exit_game) return;
 
 		if (this->Tick()) {

src/video/cocoa/cocoa_v.mm

@@ -437,9 +437,6 @@ void VideoDriver_Cocoa::GameLoop()
 {
 	for (;;) {
 		@autoreleasepool {
-
-			InteractiveRandom(); // randomness
-
 			if (_exit_game) {
 				/* Restore saved resolution if in fullscreen mode. */
 				if (this->IsFullscreen()) _cur_resolution = this->orig_res;

src/video/dedicated_v.cpp

@@ -275,8 +275,6 @@ void VideoDriver_Dedicated::MainLoop()
 	}
 
 	while (!_exit_game) {
-		InteractiveRandom(); // randomness
-
 		if (!_dedicated_forks) DedicatedHandleKeyInput();
 
 		_fast_forward = _ddc_fastforward;

src/video/sdl2_v.cpp

@@ -628,8 +628,6 @@ void VideoDriver_SDL_Base::InputLoop()
 
 void VideoDriver_SDL_Base::LoopOnce()
 {
-	InteractiveRandom(); // randomness
-
 	if (_exit_game) {
 #ifdef __EMSCRIPTEN__
 		/* Emscripten is event-driven, and as such the main loop is inside

src/video/sdl_v.cpp

@@ -718,8 +718,6 @@ void VideoDriver_SDL::MainLoop()
 	DEBUG(driver, 1, "SDL: using %sthreads", _draw_threaded ? "" : "no ");
 
 	for (;;) {
-		InteractiveRandom(); // randomness
-
 		if (_exit_game) break;
 
 		if (this->Tick()) {

src/video/video_driver.cpp

@@ -9,6 +9,7 @@
 
 #include "../stdafx.h"
 #include "../debug.h"
+#include "../core/random_func.hpp"
 #include "../gfx_func.h"
 #include "../progress.h"
 #include "../thread.h"
@@ -24,6 +25,10 @@ bool VideoDriver::Tick()
 		auto delta = std::chrono::duration_cast<std::chrono::milliseconds>(cur_ticks - this->last_realtime_tick);
 		_realtime_tick += delta.count();
 		this->last_realtime_tick += delta;
+
+		/* Keep the interactive randomizer a bit more random by requesting
+		 * new values when-ever we can. */
+		InteractiveRandom();
 	}
 
 	if (cur_ticks >= this->next_game_tick || (_fast_forward && !_pause_mode)) {

src/video/win32_v.cpp

@@ -907,8 +907,6 @@ void VideoDriver_Win32Base::MainLoop()
 	}
 
 	for (;;) {
-		InteractiveRandom(); // randomness
-
 		if (_exit_game) break;
 
 		/* Flush GDI buffer to ensure we don't conflict with the drawing thread. */