From 5661e39ca742e283b6c5221c56852c7df1602300 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Mon, 3 Jun 2019 13:12:57 +0300
Subject: [PATCH] - reset internal console state on clear CCMD

'last line needs update' flag cannot be set when console is empty as there are no lines at all in this case

https://forum.zdoom.org/viewtopic.php?t=64909
---
 src/c_consolebuffer.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/c_consolebuffer.cpp b/src/c_consolebuffer.cpp
index 3b210d9d0..4541422e4 100644
--- a/src/c_consolebuffer.cpp
+++ b/src/c_consolebuffer.cpp
@@ -123,6 +123,8 @@ void FConsoleBuffer::FormatText(FFont *formatfont, int displaywidth)
 {
 	if (formatfont != mLastFont || displaywidth != mLastDisplayWidth || mBufferWasCleared)
 	{
+		if (mBufferWasCleared)
+			mLastLineNeedsUpdate = false;
 		m_BrokenConsoleText.Clear();
 		mBrokenStart.Clear();
 		mBrokenStart.Push(0);