Server distance clipping

dlls/client.cpp

@@ -1391,6 +1391,63 @@ int AddToFullPack( struct entity_state_s *state, int e, edict_t *ent, edict_t *h
 		if( ent->v.movetype == MOVETYPE_WALK || ent->v.movetype == MOVETYPE_STEP )
 			//state->effects |= EF_NOINTERP;
 			state->movetype = MOVETYPE_TOSS;
+
+		if( mp_serverdistclip.value )
+		{
+			bool bmodel = false, trash = false;
+			const char *classname = "";
+
+			if( ent->v.model && STRING(ent->v.model) && *STRING(ent->v.model) == '*' )
+				bmodel = true;
+
+			if( ent->v.classname && STRING(ent->v.classname) )
+				classname = STRING( ent->v.classname );
+
+			if( !strcmp( classname, "gib" ) || !strncmp( classname, "weapon_", 7) || !strncmp( classname, "ammo_", 5) || !strncmp( classname, "item_", 5)  )
+				trash = true;
+
+			Vector delta = VecBModelOrigin(&ent->v) - host->v.origin;
+
+			float dist = 0;
+			if( abs(delta.x) > dist )
+				dist = abs(delta.x);
+			if( abs(delta.y) > dist )
+				dist = abs(delta.y);
+			if( abs(delta.z) > dist )
+				dist = abs(delta.z);
+
+			float size = 0;
+
+			if( ent->v.size.x > size )
+				size = ent->v.size.x;
+			if( ent->v.size.y > size )
+				size = ent->v.size.y;
+			if( ent->v.size.z > size )
+				size = ent->v.size.z;
+
+			dist -= size;
+
+			bool hide = false;
+
+			if( bmodel )
+			{
+				if( dist > mp_maxbmodeldist.value )
+					hide  = true;
+			}
+			else if( trash && dist > mp_maxtrashdist.value )
+				hide = true;
+			else if( dist > mp_maxotherdist.value )
+				hide = true;
+
+			// func_water renders too slow
+			if( !strcmp( classname, "func_water" ) && dist > mp_maxwaterdist.value  )
+				hide = true;
+			else if( size > 512 ) // big brushes may be rotated, but dist check does not cover this
+				hide = false;
+
+			if( hide )
+				state->effects |= EF_NODRAW;
+		}
 		// gravgun hacks
 		if( ent->pvPrivateData && CBaseEntity::Instance( ent)->m_fireState == ENTINDEX(host) )
 		{

dlls/gravgunmod.cpp

@@ -23,6 +23,11 @@ cvar_t mp_checkentities = { "mp_checkentities", "0", FCVAR_SERVER };
 cvar_t mp_touchmenu = { "mp_touchmenu", "1", FCVAR_SERVER };
 cvar_t mp_touchname = { "mp_touchname", "", FCVAR_SERVER };
 cvar_t mp_touchcommand = { "mp_touchcommand", "", FCVAR_SERVER };
+cvar_t mp_serverdistclip = { "mp_serverdistclip", "0", FCVAR_SERVER};
+cvar_t mp_maxbmodeldist = { "mp_maxbmodeldist", "4096", FCVAR_SERVER};
+cvar_t mp_maxtrashdist = { "mp_maxtrashdist", "4096", FCVAR_SERVER};
+cvar_t mp_maxwaterdist = { "mp_maxwaterdist", "4096", FCVAR_SERVER};
+cvar_t mp_maxotherdist = { "mp_maxotherdist", "4096", FCVAR_SERVER};
 
 void Ent_RunGC_f( void );
 
@@ -91,6 +96,12 @@ void GGM_RegisterCVars( void )
 	CVAR_REGISTER( &mp_touchmenu );
 	CVAR_REGISTER( &mp_touchname );
 	CVAR_REGISTER( &mp_touchcommand );
+	CVAR_REGISTER( &mp_serverdistclip );
+	CVAR_REGISTER( &mp_maxbmodeldist );
+	CVAR_REGISTER( &mp_maxtrashdist );
+	CVAR_REGISTER( &mp_maxwaterdist );
+	CVAR_REGISTER( &mp_maxotherdist );
+
 	g_engfuncs.pfnAddServerCommand( "ent_rungc", Ent_RunGC_f );
 }
 

dlls/gravgunmod.h

@@ -19,6 +19,13 @@ extern cvar_t mp_fixhornetbug;
 extern cvar_t mp_checkentities;
 extern cvar_t mp_touchmenu;
 
+// distance clipping (client.cpp)
+extern cvar_t mp_serverdistclip;
+extern cvar_t mp_maxbmodeldist;
+extern cvar_t mp_maxtrashdist;
+extern cvar_t mp_maxwaterdist;
+extern cvar_t mp_maxotherdist;
+
 void GGM_RegisterCVars( void );
 void Ent_RunGC( bool common, bool enttools, const char *userid, const char *pattern = NULL );
 bool Q_stricmpext( const char *pattern, const char *text );