/*
-----------------------------------------------------------------------------
This source file is part of OpenSpace3D
For the latest info, see http://www.openspace3d.com

Copyright (c) 2018 I-maginer

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt

-----------------------------------------------------------------------------
*/

fun cbControlPreRender(inst, sessionstr, etime)=
  SendPluginEvent inst "Pre render" nil nil;
  0;;


fun cbControlPostRender(inst, sessionstr, etime)=
  SendPluginEvent inst "Post render" nil nil;
  0;;


fun deleteOb(inst)=
  setPluginInstanceCbScenePreRender inst nil;
  setPluginInstanceCbScenePostRender inst nil;
  0;;


fun cbEnable(inst, from, action, param, rep, p)=
  let p -> [prerend postrend] in
  (
    if (!prerend) then nil else
      setPluginInstanceCbScenePreRender inst @cbControlPreRender;
    
    if (!postrend) then nil else
      setPluginInstanceCbScenePostRender inst @cbControlPostRender;
  );
  0;;


fun cbDisable(inst, from, action, param, rep)=
  setPluginInstanceCbScenePreRender inst nil;
  setPluginInstanceCbScenePostRender inst nil;
  0;;


fun newOb(inst)=
  let atoi (getPluginInstanceParam inst "init") -> oninit in
  let (IsInEditor inst) || IsEventLinked inst "Pre render" -> isprernd in
  let (IsInEditor inst) || IsEventLinked inst "Post render" -> ispostrnd in
  let [isprernd ispostrnd] -> p in
  (
    if !oninit then nil else
      cbEnable inst nil nil nil nil p;
    
    PluginRegisterAction inst "Enable" mkfun6 @cbEnable p;
	  PluginRegisterAction inst "Disable" @cbDisable;
    
    setPluginInstanceCbDel inst @deleteOb;
  );
  0;;


fun IniPlug(file)=
  PlugRegister @newOb nil;
  setPluginEditor @dynamicedit;
  0;;