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source: code/trunk/src/orxonox/Radar.cc @ 10151

Last change on this file since 10151 was 9667, checked in by landauf, 11 years ago

merged core6 back to trunk

  • Property svn:eol-style set to native
File size: 6.8 KB
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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 "Radar.h"
35
36#include <cassert>
37
38//#include "util/Math.h"
39#include "core/object/ObjectList.h"
40#include "core/command/ConsoleCommand.h"
41#include "interfaces/RadarListener.h"
42#include "controllers/HumanController.h"
43#include "worldentities/pawns/Pawn.h"
44
45namespace orxonox
46{
47
48    Radar::Radar()
49        : itFocus_(0)
50        , focus_(0)
51        , objectTypeCounter_(0)
52    {
53        // TODO: make this mapping configurable. Maybe there's a possibility with self configured
54        //       configValues..
55        this->objectTypes_["Asteroid"] = RadarViewable::Dot;
56        this->objectTypes_["SpaceShip"] = RadarViewable::Square;
57        this->objectTypes_["AsdfQwerty"] = RadarViewable::Triangle;
58
59        /*WorldEntity* object;
60        object = new WorldEntity();
61        object->setPosition(2000.0, 0.0, 0.0);
62        addRadarObject(object, ColourValue(0.5, 0, 0, 1));
63        object = new WorldEntity();
64        object->setPosition(0.0, 2000.0, 0.0);
65        addRadarObject(object, ColourValue(0.5, 0, 0, 1));
66        object = new WorldEntity();
67        object->setPosition(0.0, 0.0, 2000.0);
68        addRadarObject(object, ColourValue(0.5, 0, 0, 1));
69        object = new WorldEntity();
70        object->setPosition(10000.0,16000.0,0.0);
71        addRadarObject(object);*/
72
73    }
74
75    Radar::~Radar()
76    {
77    }
78
79    void Radar::addRadarObject(RadarViewable* rv)
80    {
81        assert( this->radarObjects_.find(rv) == this->radarObjects_.end() );
82        this->radarObjects_.insert(rv);
83        // iterate through all radarlisteners and notify them
84        for (ObjectList<RadarListener>::iterator itListener = ObjectList<RadarListener>::begin(); itListener; ++itListener)
85        {
86            (*itListener)->addObject(rv);
87        }
88    }
89
90    void Radar::removeRadarObject(RadarViewable* rv)
91    {
92        assert( this->radarObjects_.find(rv) != this->radarObjects_.end() );
93        this->radarObjects_.erase(rv);
94        // iterate through all radarlisteners and notify them
95        for (ObjectList<RadarListener>::iterator itListener = ObjectList<RadarListener>::begin(); itListener; ++itListener)
96        {
97            (*itListener)->removeObject(rv);
98        }
99    }
100
101    const RadarViewable* Radar::getFocus()
102    {
103        if (this->itFocus_)
104            return *(this->itFocus_);
105        else
106            return 0;
107    }
108
109    RadarViewable::Shape Radar::addObjectDescription(const std::string& name)
110    {
111        std::map<std::string, RadarViewable::Shape>::iterator it = this->objectTypes_.find(name);
112        if (it == this->objectTypes_.end())
113            return this->objectTypes_[name] = RadarViewable::Square; // default, configure!!
114        else
115            return this->objectTypes_[name];
116    }
117
118
119    void Radar::tick(float dt)
120    {
121        SUPER(Radar, tick, dt);
122
123        if (this->itFocus_ && (this->focus_ != *(this->itFocus_)))
124        {
125            // focus object was deleted, release focus
126            this->focus_ = 0;
127            this->itFocus_ = 0;
128        }
129
130        for (ObjectList<RadarListener>::iterator itListener = ObjectList<RadarListener>::begin(); itListener; ++itListener)
131        {
132            (*itListener)->radarTick(dt);
133        }
134    }
135
136    void Radar::cycleFocus()
137    {
138        if (ObjectList<RadarViewable>::begin() == ObjectList<RadarViewable>::end())
139        {
140            // list is empty
141            this->itFocus_ = 0;
142            this->focus_ = 0;
143        }
144
145        else if (HumanController::getLocalControllerEntityAsPawn())
146        {
147            Vector3 localPosition = HumanController::getLocalControllerEntityAsPawn()->getWorldPosition();
148            Vector3 targetPosition = localPosition;
149            if (this->itFocus_ && *(this->itFocus_))
150                targetPosition = this->itFocus_->getRVWorldPosition();
151
152            // find the closest object further away than targetPosition
153            float currentDistance = localPosition.squaredDistance(targetPosition);
154            float nextDistance = FLT_MAX;
155            float minimumDistance = FLT_MAX;
156            ObjectList<RadarViewable>::iterator itFallback = 0;
157
158            for (ObjectList<RadarViewable>::iterator it = ObjectList<RadarViewable>::begin(); it; ++it)
159            {
160                if (*it == static_cast<RadarViewable*>(HumanController::getLocalControllerEntityAsPawn()))
161                    continue;
162
163                float targetDistance = localPosition.squaredDistance((*it)->getRVWorldPosition());
164                if (targetDistance > currentDistance && targetDistance < nextDistance)
165                {
166                    this->itFocus_ = it;
167                    nextDistance = targetDistance;
168                }
169                if (targetDistance < minimumDistance)
170                {
171                    itFallback = it;
172                    minimumDistance = targetDistance;
173                }
174            }
175
176            if (nextDistance == FLT_MAX)
177            {
178                // we already had the furthest object
179                this->itFocus_ = itFallback;
180                this->focus_ = *itFallback;
181            }
182            else
183            {
184                this->focus_ = *(this->itFocus_);
185            }
186        }
187    }
188
189    void Radar::releaseFocus()
190    {
191        this->itFocus_ = 0;
192        this->focus_ = 0;
193    }
194
195    void Radar::listObjects() const
196    {
197        orxout(debug_output) << "List of RadarObjects:" << endl;
198        // iterate through all Radar Objects
199        unsigned int i = 0;
200        for (ObjectList<RadarViewable>::iterator it = ObjectList<RadarViewable>::begin(); it; ++it, ++i)
201        {
202            orxout(debug_output) << i++ << ": " << (*it)->getRVWorldPosition() << endl;
203        }
204    }
205
206    void Radar::radarObjectChanged(RadarViewable* rv)
207    {
208        for (ObjectList<RadarListener>::iterator itListener = ObjectList<RadarListener>::begin(); itListener; ++itListener)
209        {
210          (*itListener)->objectChanged(rv);
211        }
212    }
213}
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