diff --git a/engine/client/gl_rmain.c b/engine/client/gl_rmain.c
index 0d84d771..cbb86534 100644
--- a/engine/client/gl_rmain.c
+++ b/engine/client/gl_rmain.c
@@ -875,13 +875,84 @@ static void R_EndGL( void )
 		pglDisable( GL_CLIP_PLANE0 );
 }
 
+/*
+=============
+R_RecursiveFindWaterTexture
+
+using to find source waterleaf with
+watertexture to grab fog values from it
+=============
+*/
+static gltexture_t *R_RecursiveFindWaterTexture( const mnode_t *node, const mnode_t *ignore, qboolean down )
+{
+	gltexture_t *tex = NULL;
+
+	// assure the initial node is not null
+	// we could check it here, but we would rather check it 
+	// outside the call to get rid of one additional recursion level
+	ASSERT( node != NULL );
+
+	// ignore solid nodes
+	if( node->contents == CONTENTS_SOLID )
+		return NULL;
+
+	if( node->contents < 0 )
+	{
+		mleaf_t		*pleaf;
+		msurface_t	**mark;
+		int		i, c;
+
+		// ignore non-liquid leaves
+		if( node->contents != CONTENTS_WATER && node->contents != CONTENTS_LAVA && node->contents != CONTENTS_SLIME )
+			 return NULL;
+
+		// find texture
+		pleaf = (mleaf_t *)node;
+		mark = pleaf->firstmarksurface;
+		c = pleaf->nummarksurfaces;	
+
+		for( i = 0; i < c; i++, mark++ )
+		{
+			if( (*mark)->flags & SURF_DRAWTURB && (*mark)->texinfo && (*mark)->texinfo->texture )
+				return R_GetTexture( (*mark)->texinfo->texture->gl_texturenum );
+		}
+
+		// texture not found
+		return NULL;
+	}
+
+	// this is a regular node
+	// traverse children
+	if( node->children[0] && ( node->children[0] != ignore ))
+	{
+		tex = R_RecursiveFindWaterTexture( node->children[0], node, true );
+		if( tex ) return tex;
+	}
+
+	if( node->children[1] && ( node->children[1] != ignore ))
+	{
+		tex = R_RecursiveFindWaterTexture( node->children[1], node, true );
+		if( tex )	return tex;
+	}
+
+	// for down recursion, return immediately
+	if( down ) return NULL;
+
+	// texture not found, step up if any
+	if( node->parent )
+		return R_RecursiveFindWaterTexture( node->parent, node, false );
+
+	// top-level node, bail out
+	return NULL;
+}
+
 /*
 =============
 R_CheckFog
 
 check for underwater fog
-FIXME: this code is wrong, we need to compute fog volumes (as water volumes)
-and get fog params from texture water on a surface.
+Using backward recursion to find waterline leaf
+from underwater leaf (idea: XaeroX)
 =============
 */
 static void R_CheckFog( void )
@@ -931,23 +1002,11 @@ static void R_CheckFog( void )
 		}
 		else
 		{
-			msurface_t	**surf;
-
-			count = r_viewleaf->nummarksurfaces;	
-
-			for( i = 0, surf = r_viewleaf->firstmarksurface; i < count; i++, surf++ )
-			{
-				if((*surf)->flags & SURF_DRAWTURB && (*surf)->texinfo && (*surf)->texinfo->texture )
-				{
-					tex = R_GetTexture( (*surf)->texinfo->texture->gl_texturenum );
-					RI.cached_contents = r_viewleaf->contents;
-					break;
-				}
-			}
+			tex = R_RecursiveFindWaterTexture( r_viewleaf->parent, NULL, false );
+			if( tex ) RI.cached_contents = r_viewleaf->contents;
 		}
 
-		if( i == count || !tex )
-			return;	// no valid fogs
+		if( !tex ) return;	// no valid fogs
 
 		// copy fog params
 		RI.fogColor[0] = tex->fogParams[0] / 255.0f;
diff --git a/engine/client/gl_studio.c b/engine/client/gl_studio.c
index 5d8a9057..c9243d8e 100644
--- a/engine/client/gl_studio.c
+++ b/engine/client/gl_studio.c
@@ -3509,9 +3509,20 @@ void Mod_LoadStudioModel( model_t *mod, const void *buffer, qboolean *loaded )
 	Q_memcpy( loadmodel->cache.data, buffer, phdr->length );
 #endif
 	// setup bounding box
-	VectorCopy( phdr->bbmin, loadmodel->mins );
-	VectorCopy( phdr->bbmax, loadmodel->maxs );
+	if( VectorIsNull( phdr->bbmin ) && VectorIsNull( phdr->bbmax ))
+	{
+		mstudioseqdesc_t *pseqdesc = (mstudioseqdesc_t *)((byte *)phdr + phdr->seqindex);
 
+		// just to have something valid here
+		VectorCopy( pseqdesc[0].bbmin, loadmodel->mins );
+		VectorCopy( pseqdesc[0].bbmax, loadmodel->maxs );
+	}
+	else
+	{
+		VectorCopy( phdr->bbmin, loadmodel->mins );
+		VectorCopy( phdr->bbmax, loadmodel->maxs );
+	}
+	
 	loadmodel->numframes = R_StudioBodyVariations( loadmodel );
 	loadmodel->radius = RadiusFromBounds( loadmodel->mins, loadmodel->maxs );
 	loadmodel->flags = phdr->flags; // copy header flags
diff --git a/engine/client/s_main.c b/engine/client/s_main.c
index e2854df1..f2820d11 100644
--- a/engine/client/s_main.c
+++ b/engine/client/s_main.c
@@ -359,7 +359,7 @@ channel_t *SND_PickStaticChannel( int entnum, sfx_t *sfx, const vec3_t pos )
 	int	i, dupe = 0;
 
 #if 1	// TODO: remove this code when predicting is will be done
-	// check for dupliacte sounds
+	// check for duplicate sounds
 	for( i = 0; i < total_channels; i++ )
 	{
 		if( channels[i].sfx == sfx && VectorCompare( channels[i].origin, pos ))
diff --git a/engine/client/sound.h b/engine/client/sound.h
index de2b0841..4ea60a22 100644
--- a/engine/client/sound.h
+++ b/engine/client/sound.h
@@ -220,7 +220,7 @@ void SNDDMA_Submit( void );
 //====================================================================
 
 #define MAX_DYNAMIC_CHANNELS	(28 + NUM_AMBIENTS)
-#define MAX_CHANNELS	128
+#define MAX_CHANNELS	(128 + MAX_DYNAMIC_CHANNELS)	// Scourge Of Armagon has too many static sounds on hip2m4.bsp
 #define MAX_RAW_SAMPLES	8192
 
 extern sound_t	ambient_sfx[NUM_AMBIENTS];
diff --git a/engine/common/build.c b/engine/common/build.c
index c768a4d5..0a792213 100644
--- a/engine/common/build.c
+++ b/engine/common/build.c
@@ -23,7 +23,7 @@ static char mond[12] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
 int Q_buildnum( void )
 {
 // do not touch this! Only author of Xash3D can increase buildnumbers!
-#if 0 
+#if 1 
 	int m = 0, d = 0, y = 0;
 	static int b = 0;