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Nuvolabomb.png Warning: The feature described on this page has been deprecated, and will no longer be supported or updated by the GZDoom developers. While some functionality may be retained for the purposes of backwards-compatibility, authors are strongly discouraged from utilizing this feature in future projects and to instead use Line_SetBlocking. Compatibility with future GZDoom versions is not guaranteed.

void SetLineMonsterBlocking(int lineid, int setting);


Sets blocking for monsters only.


  • lineid: id of the line to set.
  • setting: this has two settings, 0 for off and 1 for on. For readability, you should use ON or OFF which are defined as 1 and 0 (respectively) in zdefs.acs.


This example will set all lines with the id of 1 to block monsters until some catastrophic thing happens five minutes into the map which allows the monsters to penetrate those lines.

script 1 OPEN
   SetLineMonsterBlocking(1, ON);
   delay(35 * 60 * 5);
   SetLineMonsterBlocking(1, OFF);
   HudMessageBold(s:"ZOMG!  The monsters can break through now!!!";
       HUDMSG_FADEOUT, 1, CR_RED, 0.5, 0.5, 3.0, 1.0);

See also