/*
-----------------------------------------------------------------------------
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, color)=
  SO3SceneSetAmbientLight (V3DgetSession c3dXsession) color;
  0;;


fun cbChangeAmbient(inst, from, action, param, reply, strmat)=
  if ((param == nil) || (!strcmp (strtrim param) "")) then nil else
  let htoi param -> ambient in
  (
    SO3SceneSetAmbientLight (V3DgetSession c3dXsession) G2Drgb2rgba ambient 0;
  );
  0;;


fun cbChangeAmbientRGB(inst, from, action, param, reply, strmat)=
  if ((param == nil) || (!strcmp (strtrim param) "")) then nil else
  let hd strextr param -> lp in
  let atoi hd lp -> pr in
  let atoi hd tl lp -> pg in
  let atoi hd tl tl lp -> pb in
  let make_rgb (if pr == nil then 0 else pr) (if pg == nil then 0 else pg) (if pb == nil then 0 else pb) -> ambient in
  (
    SO3SceneSetAmbientLight (V3DgetSession c3dXsession) G2Drgb2rgba ambient 0;
  );
  0;;


fun newOb(inst)=
  let G2Drgb2rgba atoi (getPluginInstanceParam inst "ambient") 0 -> ambient in
  let SO3SceneGetAmbientLight (V3DgetSession c3dXsession) -> initcolor in
  (
    V3DsetAmbientLight c3dXsession ambient;
    PluginRegisterAction inst "Change ambient" mkfun6 @cbChangeAmbient ambient;
    PluginRegisterAction inst "Change ambient rgb" mkfun6 @cbChangeAmbientRGB ambient;
    
    setPluginInstanceCbDel inst mkfun2 @deleteOb initcolor;
  );
  0;;


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