ref: gl: disable underwater distortion by default, enable for Quake compatible mode only

ref/gl/gl_rmain.c

@@ -336,7 +336,7 @@ void R_SetupFrustum( void )
 {
 	const ref_overview_t	*ov = gEngfuncs.GetOverviewParms();
 
-	if( RP_NORMALPASS() && ( ENGINE_GET_PARM( PARM_WATER_LEVEL ) >= 3 ))
+	if( RP_NORMALPASS() && ( ENGINE_GET_PARM( PARM_WATER_LEVEL ) >= 3 ) && ENGINE_GET_PARM( PARM_QUAKE_COMPATIBLE ))
 	{
 		RI.fov_x = atan( tan( DEG2RAD( RI.fov_x ) / 2 ) * ( 0.97f + sin( gpGlobals->time * 1.5f ) * 0.03f )) * 2 / (M_PI_F / 180.0f);
 		RI.fov_y = atan( tan( DEG2RAD( RI.fov_y ) / 2 ) * ( 1.03f - sin( gpGlobals->time * 1.5f ) * 0.03f )) * 2 / (M_PI_F / 180.0f);

ref/soft/r_main.c

@@ -451,7 +451,7 @@ void R_SetupFrustum( void )
 #if 1
 	//ref_overview_t	*ov = gEngfuncs.GetOverviewParms();
 
-	/*if( RP_NORMALPASS() && ( ENGINE_GET_PARM( PARM_WATER_LEVEL ) >= 3 ))
+	/*if( RP_NORMALPASS() && ( ENGINE_GET_PARM( PARM_WATER_LEVEL ) >= 3 ) && ENGINE_GET_PARM( PARM_QUAKE_COMPATIBLE ))
 	{
 		RI.fov_x = atan( tan( DEG2RAD( RI.fov_x ) / 2 ) * ( 0.97 + sin( gpGlobals->time * 1.5 ) * 0.03 )) * 2 / (M_PI / 180.0);
 		RI.fov_y = atan( tan( DEG2RAD( RI.fov_y ) / 2 ) * ( 1.03 - sin( gpGlobals->time * 1.5 ) * 0.03 )) * 2 / (M_PI / 180.0);