/*
-----------------------------------------------------------------------------
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 cbRandom(inst, from, action, param, reply, p)=
  let p -> [minv maxv exc] in
  let if (minv >= maxv) then minv else
    if (exc != nil) then
    let (mod rand ((maxv - minv) + 1)) + minv -> tv in
    (
      while (tv == exc) do
        set tv = (mod rand ((maxv - minv) + 1)) + minv;
      tv;
    )
    else
    (mod rand ((maxv - minv) + 1)) + minv
   -> val in
  (
    SendPluginEvent inst "Value" itoa val nil;
  );
  0;;


fun cbSetMin(inst, from, action, param, reply, p)=
  let if (atoi param) == nil then 0 else (atoi param) -> val in
    mutate p <- [val _ _];
  0;;


fun cbSetMax(inst, from, action, param, reply, p)=
  let if (atoi param) == nil then 0 else (atoi param) -> val in
    mutate p <- [_ val _];
  0;;


fun cbSetExcluded(inst, from, action, param, reply, p)=
  let if (((atoi param) == nil) || ((strlen param) == 0)) then nil else (atoi param) -> val in
    mutate p <- [_ _ val];
  0;;


fun newOb(inst)=
  let atoi (getPluginInstanceParam inst "minval") -> minv in
  let atoi (getPluginInstanceParam inst "maxval") -> maxv in
  let [minv maxv nil] -> p in
  (
    PluginRegisterAction inst "Get random value" mkfun6 @cbRandom p;
    PluginRegisterAction inst "Set minimum value" mkfun6 @cbSetMin p;
    PluginRegisterAction inst "Set maximum value" mkfun6 @cbSetMax p;
    PluginRegisterAction inst "Set excluded value" mkfun6 @cbSetExcluded p;
    
    setPluginInstanceCbDel inst @deleteOb;
  );
  0;;


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