CallButton.cpp

   1 /*
   2  *  CallButton.cpp
   3  *  openc2e
   4  *
   5  *  Created by Alyssa Milburn on Sat Dec 2 2006.
   6  *  Copyright (c) 2006 Alyssa Milburn. All rights reserved.
   7  *
   8  *  This library is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU Lesser General Public
  10  *  License as published by the Free Software Foundation; either
  11  *  version 2 of the License, or (at your option) any later version.
  12  *
  13  *  This library is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *  Lesser General Public License for more details.
  17  *
  18  */
  19
  20 #include "CallButton.h"
  21
  22 // TODO: this code is a first attempt and is probably completely wrong
  23
  24 void CallButton::tick() {
  25         SimpleAgent::tick();
  26         if (paused) return;
  27
  28         Lift *ourlift = dynamic_cast<Lift *>(lift.get());
  29         assert(ourlift);
  30
  31         if (actv.getInt() == 1) {
  32                 // TODO: hrm..
  33                 if (ourlift->currentbutton == buttonid && ourlift->liftBottom() == ourlift->callbuttony[buttonid]) { // has arrived at us
  34                         queueScript(0); // deactivate ourselves
  35                 }
  36
  37                 if (ourlift->liftAvailable()) { // not moving
  38                         if (ourlift->currentbutton != buttonid) {
  39                                 /*
  40                                  * all active call buttons need to fight it out to work out who gets to be
  41                                  * 'newbutton' on the lift (which should be the closest button)
  42                                  */
  43                                 int buttondist = abs((int)(ourlift->currentbutton - buttonid));
  44                                 int currbuttondist = abs((int)(ourlift->currentbutton - ourlift->newbutton));
  45
  46                                 // if there's no change to newbutton yet, or if we're 'nearer' than the last newbutton..
  47                                 if (currbuttondist == 0 || currbuttondist > buttondist)
  48                                         // .. then set newbutton to point to us instead
  49                                         ourlift->newbutton = buttonid;
  50                         }
  51                 }
  52         }
  53 }
  54
  55 bool CallButton::fireScript(unsigned short event, Agent *from, caosVar one, caosVar two) {
  56         Lift *ourlift = dynamic_cast<Lift *>(lift.get());
  57         assert(ourlift);
  58
  59         switch (event) {
  60                 case 1:
  61                         if (ourlift->currentbutton == buttonid && ourlift->liftAvailable()) {
  62                                 return false; // nuh-uh
  63                         }
  64         }
  65
  66         return Agent::fireScript(event, from, one, two);
  67 }
  68
  69 /* vim: set noet: */