From 2e30acf6116c04aabeacb7f26796ff1088c0ee99 Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Sun, 28 Jul 2024 17:12:32 +0300
Subject: [PATCH] engine: client: voice: allow restoring voice after toggling
 voice_enable while connected to server

---
 engine/client/voice.c | 38 ++++++++++++++++++++++++++++----------
 1 file changed, 28 insertions(+), 10 deletions(-)

diff --git a/engine/client/voice.c b/engine/client/voice.c
index df12cc66..4801b1e1 100644
--- a/engine/client/voice.c
+++ b/engine/client/voice.c
@@ -32,6 +32,11 @@ CVAR_DEFINE_AUTO( voice_inputfromfile, "0", FCVAR_PRIVILEGED, "input voice from
 
 static void Voice_ApplyGainAdjust( int16_t *samples, int count, float scale );
 
+// in case user enabled voice after connection
+// can't keep in `voice` struct because it gets zeroed on shutdown
+static string voice_codec_init;
+static int voice_quality_init;
+
 /*
 ===============================================================================
 
@@ -591,10 +596,17 @@ void Voice_Idle( double frametime )
 {
 	int i;
 
-	if( FBitSet( voice_enable.flags, FCVAR_CHANGED ) && !voice_enable.value )
+	if( FBitSet( voice_enable.flags, FCVAR_CHANGED ))
 	{
-		Voice_Shutdown();
-		return;
+		ClearBits( voice_enable.flags, FCVAR_CHANGED );
+
+		if( voice_enable.value )
+		{
+			if( cls.state == ca_active && COM_CheckString( voice_codec_init ) && voice_quality_init != 0 )
+				Voice_Init( voice_codec_init, voice_quality_init, false );
+		}
+		else
+			Voice_Shutdown();
 	}
 
 	// update local player status first
@@ -613,6 +625,19 @@ Initialize the voice subsystem
 */
 qboolean Voice_Init( const char *pszCodecName, int quality, qboolean preinit )
 {
+	if( Q_strcmp( pszCodecName, VOICE_OPUS_CUSTOM_CODEC ))
+	{
+		Con_Printf( S_ERROR "Server requested unsupported codec: %s\n", pszCodecName );
+
+		// reset saved codec name, we won't enable voice for this connection
+		voice_codec_init[0] = 0;
+		voice_quality_init = 0;
+		return false;
+	}
+
+	Q_strncpy( voice_codec_init, pszCodecName, sizeof( voice_codec_init ));
+	voice_quality_init = quality;
+
 	if( !voice_enable.value )
 		return false;
 
@@ -620,13 +645,6 @@ qboolean Voice_Init( const char *pszCodecName, int quality, qboolean preinit )
 	if( Q_strcmp( pszCodecName, voice.codec ) || voice.quality != quality )
 	{
 		Voice_Shutdown();
-
-		if( Q_strcmp( pszCodecName, VOICE_OPUS_CUSTOM_CODEC ))
-		{
-			Con_Printf( S_ERROR "Server requested unsupported codec: %s\n", pszCodecName );
-			return false;
-		}
-
 		voice.autogain.block_size = 128;
 
 		if( !Voice_InitCustomMode( ))