From fdd3a44fa05cbc2a79ec6c02f56e70f8eda5d913 Mon Sep 17 00:00:00 2001
From: Alibek Omarov <a1ba.omarov@gmail.com>
Date: Mon, 13 Apr 2026 13:40:18 +0500
Subject: [PATCH] ref: gl: remove unused isSkyVisible

---
 ref/gl/gl_local.h |  1 -
 ref/gl/gl_rmain.c |  3 ---
 ref/gl/gl_warp.c  | 12 ++----------
 3 files changed, 2 insertions(+), 14 deletions(-)

diff --git a/ref/gl/gl_local.h b/ref/gl/gl_local.h
index de5d59f0..4c638a72 100644
--- a/ref/gl/gl_local.h
+++ b/ref/gl/gl_local.h
@@ -129,7 +129,6 @@ typedef struct
 	int		params;		// rendering parameters
 
 	qboolean		drawWorld;	// ignore world for drawing PlayerModel
-	qboolean		isSkyVisible;	// sky is visible
 	qboolean		onlyClientDraw;	// disabled by client request
 	qboolean		drawOrtho;	// draw world as orthogonal projection
 
diff --git a/ref/gl/gl_rmain.c b/ref/gl/gl_rmain.c
index 9a19de6f..2c290717 100644
--- a/ref/gl/gl_rmain.c
+++ b/ref/gl/gl_rmain.c
@@ -535,10 +535,7 @@ static void R_SetupFrame( void )
 
 	// current viewleaf
 	if( RI.drawWorld )
-	{
-		RI.isSkyVisible = false; // unknown at this moment
 		R_FindViewLeaf();
-	}
 }
 
 /*
diff --git a/ref/gl/gl_warp.c b/ref/gl/gl_warp.c
index b4eaad25..cfa78356 100644
--- a/ref/gl/gl_warp.c
+++ b/ref/gl/gl_warp.c
@@ -339,10 +339,6 @@ R_DrawSkybox
 */
 void R_DrawSkyBox( void )
 {
-	int	i;
-
-	RI.isSkyVisible = true;
-
 	// don't fogging skybox (this fix old Half-Life bug)
 	if( !RI.fogSkybox ) R_AllowFog( false );
 
@@ -353,7 +349,7 @@ void R_DrawSkyBox( void )
 	pglDisable( GL_ALPHA_TEST );
 	pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE );
 
-	for( i = 0; i < SKYBOX_MAX_SIDES; i++ )
+	for( int i = 0; i < SKYBOX_MAX_SIDES; i++ )
 	{
 		if( RI.skyMins[0][i] >= RI.skyMaxs[0][i] || RI.skyMins[1][i] >= RI.skyMaxs[1][i] )
 			continue;
@@ -533,16 +529,12 @@ Quake-style clouds
 */
 void R_DrawClouds( void )
 {
-	int	i;
-
-	RI.isSkyVisible = true;
-
 	if( RI.fogEnabled )
 		pglFogf( GL_FOG_DENSITY, RI.fogDensity * 0.25f );
 	pglDepthFunc( GL_GEQUAL );
 	pglDepthMask( GL_FALSE );
 
-	for( i = 0; i < SKYBOX_MAX_SIDES; i++ )
+	for( int i = 0; i < SKYBOX_MAX_SIDES; i++ )
 	{
 		if( RI.skyMins[0][i] >= RI.skyMaxs[0][i] || RI.skyMins[1][i] >= RI.skyMaxs[1][i] )
 			continue;