Implement cl_viewbob cvar for viewmodel bobbing. Same as in http://am.half-lifecreations.com/forums/index.php?topic=288.0

cl_dll/hud.cpp

@@ -35,6 +35,7 @@ extern client_sprite_t *GetSpriteList( client_sprite_t *pList, const char *psz,
 
 extern cvar_t *sensitivity;
 cvar_t *cl_lw = NULL;
+cvar_t *cl_viewbob = NULL;
 
 void ShutdownInput( void );
 
@@ -194,6 +195,7 @@ void CHud::Init( void )
 	m_pCvarStealMouse = CVAR_CREATE( "hud_capturemouse", "1", FCVAR_ARCHIVE );
 	m_pCvarDraw = CVAR_CREATE( "hud_draw", "1", FCVAR_ARCHIVE );
 	cl_lw = gEngfuncs.pfnGetCvarPointer( "cl_lw" );
+	cl_viewbob = CVAR_CREATE( "cl_viewbob", "0", FCVAR_ARCHIVE );
 
 	m_pSpriteList = NULL;
 

cl_dll/view.cpp

@@ -78,6 +78,7 @@ extern cvar_t	*cl_forwardspeed;
 extern cvar_t	*chase_active;
 extern cvar_t	*scr_ofsx, *scr_ofsy, *scr_ofsz;
 extern cvar_t	*cl_vsmoothing;
+extern cvar_t	*cl_viewbob;
 extern Vector   dead_viewangles;
 
 #define	CAM_MODE_RELAX		1
@@ -598,6 +599,9 @@ void V_CalcNormalRefdef( struct ref_params_s *pparams )
 	view->angles[ROLL] -= bob * 1;
 	view->angles[PITCH] -= bob * 0.3;
 
+	if( cl_viewbob && cl_viewbob->value )
+		VectorCopy( view->angles, view->curstate.angles );
+
 	// pushing the view origin down off of the same X/Z plane as the ent's origin will give the
 	// gun a very nice 'shifting' effect when the player looks up/down. If there is a problem
 	// with view model distortion, this may be a cause. (SJB).