From 9cb1ebf0c1991808e1abdaedcb3fa7d4af864973 Mon Sep 17 00:00:00 2001
From: Sergii Pylypenko <x.pelya.x@gmail.com>
Date: Sun, 16 May 2021 00:30:08 +0300
Subject: [PATCH] Fixed fast forward not working in single-threaded mode

---
 src/video/video_driver.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/video/video_driver.cpp b/src/video/video_driver.cpp
index 0af716f05e..0f0bae5413 100644
--- a/src/video/video_driver.cpp
+++ b/src/video/video_driver.cpp
@@ -101,6 +101,13 @@ void VideoDriver::Tick()
 {
 	if (!this->is_game_threaded && std::chrono::steady_clock::now() >= this->next_game_tick) {
 		this->GameLoop();
+		if (_game_speed > 100) {
+			// Fast forward by frame skipping, won't be as fast as a separate game thread, but better than nothing
+			this->GameLoop();
+			this->GameLoop();
+			this->GameLoop();
+			this->GameLoop();
+		}
 
 		/* For things like dedicated server, don't run a separate draw-tick. */
 		if (!this->HasGUI()) {