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

Copyright (c) 2012 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 deleteOb(inst)=
  0;;


fun cbDisable (inst, from, action, param, reply, p)=
  let p -> [state] in
  if (!state) then nil else
  (
    mutate p <- [0];
    
    let V3DgetSession c3dXsession -> session in
    (
      SO3SceneSetSkyBoxEnable session 0;
      //SO3SceneSetSkyDomeEnable session 0;
      //SO3SceneSetSkyPlaneEnable session 0;
    );
    
    SendPluginEvent inst "Disabled" nil nil;
  );
  0;;


fun cbEnable (inst, from, action, param, reply, p)=
  let p -> [state] in
  if (state) then nil else
  (
    mutate p <- [1];
        
    let V3DgetSession c3dXsession -> session in
    (
      SO3SceneSetSkyBoxEnable session 1;
      //SO3SceneSetSkyDomeEnable session 1;
      //SO3SceneSetSkyPlaneEnable session 1;
    );
    
    SendPluginEvent inst "Enabled" nil nil;
  );
  0;;


fun cbSetState(inst, from, action, param, reply, p)=
  if (param == nil) || (strcmpi param "") == 0 then nil else
  (
    if (atoi param) <= 0 then
      cbDisable inst from action param reply p
    else
      cbEnable inst from action param reply p;
  );
  0;;


fun newOb(inst)=
  let atoi (getPluginInstanceParam inst "init") -> init in
  let if (init == nil) then 1 else init -> init in
  let [init] -> p in
  (    
    let V3DgetSession c3dXsession -> session in
    (
      SO3SceneSetSkyBoxEnable session init;
      //SO3SceneSetSkyDomeEnable session init;
      //SO3SceneSetSkyPlaneEnable session init;
    );
    
    PluginRegisterAction inst "Enable" mkfun6 @cbEnable p;
    PluginRegisterAction inst "Disable" mkfun6 @cbDisable p;
    PluginRegisterAction inst "Set state" mkfun6 @cbSetState p;
    
    setPluginInstanceCbDel inst @deleteOb;
  );
  0;;


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