Vehicle.cpp

   1 /*
   2  *  Vehicle.cpp
   3  *  openc2e
   4  *
   5  *  Created by Alyssa Milburn on Tue May 25 2004.
   6  *  Copyright (c) 2004 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 "Vehicle.h"
  21 #include "Engine.h"
  22 #include "World.h"
  23 #include "MetaRoom.h"
  24
  25 Vehicle::Vehicle(unsigned int family, unsigned int genus, unsigned int species, unsigned int plane,
  26                 std::string spritefile, unsigned int firstimage, unsigned int imagecount) :
  27                 CompoundAgent(family, genus, species, plane, spritefile, firstimage, imagecount) {
  28         capacity = 0;
  29         bump = 0;
  30
  31         cabinleft = 0; cabintop = 0; cabinright = getWidth(); cabinbottom = getHeight();
  32         cabinplane = 1; // TODO: is this sane? seems to be the default in c2e
  33 }
  34
  35 Vehicle::Vehicle(std::string spritefile, unsigned int firstimage, unsigned int imagecount) : CompoundAgent(spritefile, firstimage, imagecount) {
  36         capacity = 0;
  37         bump = 0;
  38
  39         // TODO: set cabin bounds? we don't know width/height at this point..
  40         cabinplane = 95; // TODO: arbitarily-chosen value (see also SFCFile)
  41 }
  42
  43 void Vehicle::tick() {
  44         CompoundAgent::tick();
  45         if (paused) return;
  46
  47         // move by xvec/yvec!
  48         moveTo(x + xvec.getInt() / 256.0, y + yvec.getInt() / 256.0);
  49 }
  50
  51 void Vehicle::carry(AgentRef passenger) {
  52         // TODO: 'return' is not a good idea here, because the callung function already does stuff
  53
  54         if (passenger->carriedby) return; // TODO: change to assert?
  55         if (passenger->invehicle) return; // TODO: change to assert?
  56
  57         int cabinwidth = cabinright - cabinleft;
  58         int cabinheight = cabinbottom - cabintop;
  59
  60         // reject if passenger is too big
  61         if ((int)passenger->getWidth() > cabinwidth) return;
  62         // TODO: you can put too-high things into cabins in c1. can you in the other games?
  63         //if (passenger->getHeight() > cabinheight) return;
  64
  65         // push into our cabin
  66         // TODO: should we use moveTo here?
  67         if (passenger->x < (x + cabinleft)) passenger->x = x + cabinleft;
  68         if (passenger->x + passenger->getWidth() > (x + cabinright)) passenger->x = x + cabinright - passenger->getWidth();
  69         if (engine.version > 1) {
  70                 // TODO: not sure if this is good for too-high agents, if it's possible for them to exist (see comment above)
  71                 if (passenger->y < (y + cabintop)) passenger->y = y + cabintop;
  72                 if (passenger->y + passenger->getHeight() > (y + cabinbottom)) passenger->y = y + cabinbottom - passenger->getHeight();
  73         } else {
  74                 passenger->y = y + cabinbottom - passenger->getHeight();
  75         }
  76
  77         passengers.push_back(passenger);
  78         passenger->invehicle = this;
  79
  80         if (engine.version >= 3)
  81                 passenger->queueScript(122, this); // Vehicle Drop, TODO: is this valid call?
  82 }
  83
  84 void Vehicle::drop(AgentRef passenger) {
  85         std::vector<AgentRef>::iterator i = std::find(passengers.begin(), passengers.end(), passenger);
  86         assert(i != passengers.end());
  87         assert(passenger->invehicle == AgentRef(this));
  88         passengers.erase(i);
  89
  90         passenger->beDropped();
  91
  92         if (engine.version >= 3)
  93                 passenger->queueScript(122, this); // Vehicle Drop, TODO: is this valid call?
  94 }
  95
  96 void Vehicle::adjustCarried(float xoffset, float yoffset) {
  97         Agent::adjustCarried(xoffset, yoffset);
  98
  99         for (std::vector<AgentRef>::iterator i = passengers.begin(); i != passengers.end(); i++) {
 100                 if (!(*i)) continue; // TODO: muh
 101                 (*i)->moveTo((*i)->x + xoffset, (*i)->y + yoffset);
 102         }
 103 }
 104
 105 void Vehicle::kill() {
 106         // TODO: sane?
 107         while (passengers.size() > 0) {
 108                 if (passengers[0]) dropCarried(passengers[0]);
 109                 else passengers.erase(passengers.begin());
 110         }
 111 }
 112
 113 /* vim: set noet: */