/*
-----------------------------------------------------------------------------
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)=
  let (V3DgetSessionView c3dXsession) -> viewstr in
  (
    SO3BufferSetAdvancedRayCastMode viewstr.V3D_buffer 0;
    SO3BufferEnableAdvancedRayCast viewstr.V3D_buffer 1;
  );
  0;;

  
fun cbEnable(inst, from, action, param, rep)=
  //addLogMessage ">>> Enable Raycasting";
  let (V3DgetSessionView c3dXsession) -> viewstr in
    SO3BufferEnableAdvancedRayCast viewstr.V3D_buffer 1;
  0;;

  
fun cbDisable(inst, from, action, param, rep)=
  //addLogMessage ">>> Disable raycasting";
  let (V3DgetSessionView c3dXsession) -> viewstr in
    SO3BufferEnableAdvancedRayCast viewstr.V3D_buffer 0;
  0;;


fun cbSetMode(inst, from, action, param, rep)=
  let if (!strcmpi param "Fast") then
        0
      else if (!strcmpi param "Limited") then
        1
      else if (!strcmpi param "Precise") then
        2
      else if ((atoi param) != nil) then
        atoi param
      else 
        0
  -> mode in
  let (V3DgetSessionView c3dXsession) -> viewstr in
    SO3BufferSetAdvancedRayCastMode viewstr.V3D_buffer mode;
  0;;


fun newOb(inst)=
  let V3DgetDefaultViewport (V3DgetSessionView c3dXsession) -> viewportstr in  
  let atoi (getPluginInstanceParam inst "mode") -> mode in
  let if mode == nil then 0 else mode -> mode in
  let atoi (getPluginInstanceParam inst "init") -> init in
  let if init == nil then 1 else init -> init in
  (
    let (V3DgetSessionView c3dXsession) -> viewstr in
    (
      SO3BufferEnableAdvancedRayCast viewstr.V3D_buffer init;      
      SO3BufferSetAdvancedRayCastMode viewstr.V3D_buffer mode;
    );
    
  	PluginRegisterAction inst "Enable avanced raycast" @cbEnable;
  	PluginRegisterAction inst "Disable avanced raycast" @cbDisable;
  	PluginRegisterAction inst "Set raycast mode" @cbSetMode;
  	setPluginInstanceCbDel inst @deleteOb;
  );
  0;;


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