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source: code/branches/presentation3/src/orxonox/Radar.cc @ 7043

Last change on this file since 7043 was 6942, checked in by scheusso, 14 years ago

merging hudelements into presentation3 and reducing (or increasing) output level of lod debug output

  • Property svn:eol-style set to native
File size: 6.7 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 "Radar.h"
35
36#include <cassert>
37
38//#include "util/Math.h"
39#include "core/ConsoleCommand.h"
40#include "core/ObjectList.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        COUT(3) << "List of RadarObjects:\n";
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            COUT(3) << i++ << ": " << (*it)->getRVWorldPosition() << std::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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