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source: code/trunk/src/orxonox/objects/Radar.cc @ 2540

Last change on this file since 2540 was 2087, checked in by landauf, 16 years ago

merged objecthierarchy branch back to trunk

  • Property svn:eol-style set to native
File size: 6.6 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program 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
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Reto Grieder
24 *   Co-authors:
25 *      Felix Schulthess
26 *
27 */
28
29/**
30    @file
31    @brief
32*/
33
34#include "OrxonoxStableHeaders.h"
35#include "Radar.h"
36#include <cfloat>
37#include <cassert>
38#include "core/CoreIncludes.h"
39#include "core/ConsoleCommand.h"
40#include "core/Iterator.h"
41#include "RadarListener.h"
42
43namespace orxonox
44{
45    SetConsoleCommand(Radar, cycleNavigationFocus, true).accessLevel(AccessLevel::User);
46    SetConsoleCommand(Radar, releaseNavigationFocus, true).accessLevel(AccessLevel::User);
47
48    Radar* Radar::instance_s = 0;
49
50    Radar::Radar()
51        : focus_(0)
52        , objectTypeCounter_(0)
53    {
54        assert(instance_s == 0);
55        instance_s = this;
56
57        // TODO: make this mapping configurable. Maybe there's a possibility with self configured
58        //       configValues..
59        this->objectTypes_["Asteroid"] = RadarViewable::Dot;
60        this->objectTypes_["SpaceShip"] = RadarViewable::Square;
61        this->objectTypes_["AsdfQwerty"] = RadarViewable::Triangle;
62
63        /*WorldEntity* object;
64        object = new WorldEntity();
65        object->setPosition(2000.0, 0.0, 0.0);
66        addRadarObject(object, ColourValue(0.5, 0, 0, 1));
67        object = new WorldEntity();
68        object->setPosition(0.0, 2000.0, 0.0);
69        addRadarObject(object, ColourValue(0.5, 0, 0, 1));
70        object = new WorldEntity();
71        object->setPosition(0.0, 0.0, 2000.0);
72        addRadarObject(object, ColourValue(0.5, 0, 0, 1));
73        object = new WorldEntity();
74        object->setPosition(10000.0,16000.0,0.0);
75        addRadarObject(object);*/
76
77    }
78
79    Radar::~Radar()
80    {
81        instance_s = 0;
82    }
83
84    const RadarViewable* Radar::getFocus()
85    {
86        return *(this->itFocus_);
87    }
88
89    RadarViewable::Shape Radar::addObjectDescription(const std::string name)
90    {
91        std::map<std::string, RadarViewable::Shape>::iterator it = this->objectTypes_.find(name);
92        if (it == this->objectTypes_.end())
93            return this->objectTypes_[name] = RadarViewable::Square; // default, configure!!
94        else
95            return this->objectTypes_[name];
96    }
97
98
99    void Radar::tick(float dt)
100    {
101        if (this->focus_ != *(this->itFocus_))
102        {
103            // focus object was deleted, release focus
104            this->focus_ = 0;
105            this->itFocus_ = 0;
106        }
107
108        for (ObjectList<RadarListener>::iterator itListener = ObjectList<RadarListener>::begin(); itListener; ++itListener)
109        {
110            (*itListener)->radarTick(dt);
111
112            for (ObjectList<RadarViewable>::iterator itElement = ObjectList<RadarViewable>::begin(); itElement; ++itElement)
113            {
114/*
115                if ((*itElement) != SpaceShip::getLocalShip() && (*itListener)->getRadarSensitivity() > (*itElement)->getRadarObjectCamouflage())
116                    (*itListener)->displayObject(*itElement, *itElement == this->focus_);
117*/
118            }
119        }
120    }
121
122    void Radar::cycleFocus()
123    {
124        if (ObjectList<RadarViewable>::begin() == 0)
125        {
126            // list is empty
127            this->itFocus_ = 0;
128            this->focus_ = 0;
129        }
130        else
131        {
132            Vector3 localPosition;// = SpaceShip::getLocalShip()->getPosition();
133            Vector3 targetPosition = localPosition;
134            if (*(this->itFocus_))
135                targetPosition = this->itFocus_->getWorldPosition();
136
137            // find the closed object further away than targetPosition
138            float currentDistance = localPosition.squaredDistance(targetPosition);
139            float nextDistance = FLT_MAX;
140            float minimumDistance = FLT_MAX;
141            ObjectList<RadarViewable>::iterator itFallback = 0;
142
143            for (ObjectList<RadarViewable>::iterator it = ObjectList<RadarViewable>::begin(); it; ++it)
144            {
145/*
146                if (*it == SpaceShip::getLocalShip())
147                    continue;
148*/
149                float targetDistance = localPosition.squaredDistance((*it)->getWorldPosition());
150                if (targetDistance > currentDistance && targetDistance < nextDistance)
151                {
152                    this->itFocus_ = it;
153                    nextDistance = targetDistance;
154                }
155                if (targetDistance < minimumDistance)
156                {
157                    itFallback = it;
158                    minimumDistance = targetDistance;
159                }
160            }
161
162            if (nextDistance == FLT_MAX)
163            {
164                // we already had the furthest object
165                this->itFocus_ = itFallback;
166                this->focus_ = *itFallback;
167            }
168            else
169            {
170                this->focus_ = *(this->itFocus_);
171            }
172        }
173    }
174
175    void Radar::releaseFocus()
176    {
177        this->itFocus_ = 0;
178        this->focus_ = 0;
179    }
180
181    void Radar::listObjects() const
182    {
183        COUT(3) << "List of RadarObjects:\n";
184        // iterate through all Radar Objects
185        unsigned int i = 0;
186        for (ObjectList<RadarViewable>::iterator it = ObjectList<RadarViewable>::begin(); it; ++it, ++i)
187        {
188            COUT(3) << i++ << ": " << (*it)->getWorldPosition() << std::endl;
189        }
190    }
191
192
193    /*static*/ Radar& Radar::getInstance()
194    {
195        assert(instance_s);
196        return *instance_s;
197    }
198
199    /*static*/ void Radar::cycleNavigationFocus()
200    {
201        // avoid using getInstance because of the assert().
202        // User might call this fuction even if HUDNavigation doesn't exist.
203        if (instance_s)
204            instance_s->cycleFocus();
205    }
206
207    /*static*/ void Radar::releaseNavigationFocus()
208    {
209        // avoid using getInstance because of the assert().
210        // User might call this fuction even if HUDNavigation doesn't exist.
211        if (instance_s)
212            instance_s->releaseFocus();
213    }
214}
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