Lift.cpp

   1 /*
   2  *  Lift.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 "Lift.h"
  21 #include "Engine.h" // version
  22
  23 Lift::Lift(std::string spritefile, unsigned int firstimage, unsigned int imagecount)
  24                 : Vehicle(spritefile, firstimage, imagecount) {
  25         if (engine.version == 1) {
  26                 alignwithcabin = true;
  27         } else {
  28                 alignwithcabin = false;
  29         }
  30 }
  31
  32 /*
  33  * TODO: this code is a first attempt and might be completely wrong
  34  */
  35
  36 #include "World.h"
  37 bool Lift::fireScript(unsigned short event, Agent *from, caosVar one, caosVar two) {
  38         if (event == 1 || event == 2) {
  39                 if (!liftAvailable()) return false; // TODO: hack to make sure the lifts aren't activated when not ready
  40         }
  41
  42         // if we need to select a new callbutton.. TODO: this is hacky
  43         if (from == (Agent *)world.hand()) {
  44                 if (event == 1) {
  45                         if (currentbutton + 1 == callbuttony.size()) return false;
  46                         currentbutton++; newbutton = currentbutton;
  47                 } else if (event == 2) {
  48                         if (currentbutton == 0) return false;
  49                         currentbutton--; newbutton = currentbutton;
  50                 }
  51         }
  52
  53         return Agent::fireScript(event, from, one, two);
  54 }
  55
  56 void Lift::tick() {
  57         Vehicle::tick();
  58         if (paused) return;
  59
  60         // if we're moving..
  61         if (yvec.getInt() != 0) {
  62                 // are we beyond the call button y point?
  63                 if (
  64                         (yvec.getInt() < 0 && liftBottom() <= callbuttony[currentbutton]) || // upwards
  65                         (yvec.getInt() > 0 && liftBottom() >= callbuttony[currentbutton]) // downwards
  66                         ) {
  67                         // stop movement (and make sure we're in the right spot)
  68                         yvec.setInt(0);
  69                         y = callbuttony[currentbutton] - (alignwithcabin ? cabinbottom : getHeight());
  70
  71                         // send deactivate event
  72                         queueScript(0);
  73                 }
  74         }
  75
  76         if (liftAvailable() && newbutton != currentbutton) {
  77                 currentbutton = newbutton;
  78
  79                 if (liftBottom() < callbuttony[currentbutton])
  80                         queueScript(1, this);
  81                 else
  82                         queueScript(2, this);
  83         }
  84 }
  85
  86 float Lift::liftBottom() {
  87         if (alignwithcabin)
  88                 return y + cabinbottom;
  89         else
  90                 return y + getHeight();
  91 }
  92
  93 /* vim: set noet: */