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source: code/branches/network/src/orxonox/hud/RadarOverlayElement.cc @ 1371

Last change on this file since 1371 was 1362, checked in by scheusso, 16 years ago

merged hud3 branch into trunk and changed camera orientation

File size: 8.2 KB
Line 
1/*
2*   ORXONOX - the hottest 3D action shooter ever to exist
3*
4*
5*   License notice:
6*
7*   This program is free software; you can redistribute it and/or
8*   modify it under the terms of the GNU General Public License
9*   as published by the Free Software Foundation; either version 2
10*   of the License, or (at your option) any later version.
11*
12*   This program is distributed in the hope that it will be useful,
13*   but WITHOUT ANY WARRANTY; without even the implied warranty of
14*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15*   GNU General Public License for more details.
16*
17*   You should have received a copy of the GNU General Public License
18*   along with this program; if not, write to the Free Software
19*   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
20*
21*   Author:
22*      Yuning Chai
23*   Co-authors:
24*      ...
25*
26*/
27
28#include "RadarOverlayElement.h"
29
30namespace orxonox
31{
32    ConsoleCommandShortcut(RadarOverlayElement, cycleFocus, AccessLevel::User);
33
34    using namespace Ogre;
35
36    RadarOverlayElement* RadarOverlayElement::instance_s = NULL;
37
38    RadarOverlayElement::RadarOverlayElement(const String& name):Ogre::PanelOverlayElement(name){
39        RadarOverlayElement::instance_s = this;
40    }
41
42    RadarOverlayElement::~RadarOverlayElement(){
43    }
44
45    void RadarOverlayElement::init(Real leftRel, Real topRel, Real dimRel, Ogre::OverlayContainer* container){
46        // some initial data
47                om = &Ogre::OverlayManager::getSingleton();
48        dimRel_ = dimRel;
49        leftRel_ = leftRel;
50        topRel_ = topRel;
51        container_ = container;
52        firstRadarObject_ = NULL;
53        lastRadarObject_ = NULL;
54        focus_ = NULL;
55
56        // create nav marker ...
57        navMarker_ = static_cast<PanelOverlayElement*>(om->createOverlayElement("Panel", "NavMarker"));
58        navMarker_->setMetricsMode(Ogre::GMM_PIXELS);
59        navMarker_->setMaterialName("Orxonox/NavMarker");
60        navMarker_->setDimensions(16,16);
61        navMarker_->setPosition(0,386);
62        navMarker_->hide();
63        container_->addChild(navMarker_);
64
65        // these have to fit the data in the level
66        shipPos_ = Vector3(0.0, 0.0, 0.0);
67        initialDir_ = Vector3(1.0, 0.0, 0.0);
68        currentDir_ = initialDir_;
69        initialOrth_ = Vector3(0.0, 0.0, 1.0);
70        currentOrth_ = initialOrth_;
71        plane = Plane(currentDir_, shipPos_);
72
73        setMetricsMode(Ogre::GMM_PIXELS);
74        setMaterialName("Orxonox/Radar");
75        resize();
76
77        container_->addChild(this);
78    }
79
80    void RadarOverlayElement::resize() {
81        // if window is resized, we must adapt these...
82        windowW_ = GraphicsEngine::getSingleton().getWindowWidth();
83        windowH_ = GraphicsEngine::getSingleton().getWindowHeight();
84        dim_ = (int) (dimRel_*windowH_);
85        left_ = (int) (leftRel_*windowW_-dim_/2);
86        top_ = (int) (topRel_*windowH_-dim_/2);
87        setPosition(left_, top_);
88        setDimensions(dim_,dim_);
89    }
90
91    void RadarOverlayElement::update() {
92        shipPos_ = SpaceShip::instance_s->getPosition();
93        currentDir_ = SpaceShip::instance_s->getOrientation()*initialDir_;              // according to beni....
94                currentOrth_ = SpaceShip::instance_s->getOrientation()*initialOrth_;
95        plane = Plane(currentDir_, shipPos_);
96
97        RadarObject* ro = firstRadarObject_;
98        // iterate through all RadarObjects
99                while(ro != NULL){
100                    // calc position on radar...
101            ro->radius_ = calcRadius(ro);
102            ro->phi_ = calcPhi(ro);
103            ro->right_ = calcRight(ro);
104
105            // set size to fit distance...
106            float d = (ro->pos_-shipPos_).length();
107            if(d<4000) ro->panel_->setDimensions(4,4);
108            else if(d<8000) ro->panel_->setDimensions(3,3);
109            else if(d<16000) ro->panel_->setDimensions(2,2);
110            else ro->panel_->setDimensions(1,1);
111
112            if (ro->right_){
113                ro->panel_->setPosition(sin(ro->phi_)*ro->radius_/
114                    3.5*dim_/2+dim_/2+left_-2,-cos(ro->phi_)*ro->radius_/3.5*dim_/2+dim_/2+top_-2);
115            }
116            else {
117                ro->panel_->setPosition(-sin(ro->phi_)*ro->radius_/
118                    3.5*dim_/2+dim_/2+left_-2,-cos(ro->phi_)*ro->radius_/3.5*dim_/2+dim_/2+top_-2);
119            }
120            ro = ro->next;
121                }
122                updateNavMarker();
123    }
124
125    void RadarOverlayElement::updateNavMarker(){
126        if(focus_ == NULL) return;
127        // from the angle we find out where to draw the marker
128        // and which of the four arrows to take
129        float r1 = atan((float)(windowW_)/(float)(windowH_));
130        float phi = focus_->phi_;
131        if(focus_->right_){
132            if(phi<r1){
133                navMarker_->setPosition(tan(phi)*windowH_/2+windowW_/2, 0);
134                navMarker_->setUV(0.5, 0.0, 1.0, 0.5);
135            }
136            else if(phi>3.14-r1){
137                navMarker_->setPosition(-tan(phi)*windowH_/2+windowW_/2, windowH_-16);
138                navMarker_->setUV(0.0, 0.5, 0.5, 1.0);
139            }
140            else {
141                navMarker_->setPosition(windowW_-16, -tan((3.14-2*phi)/2)*windowW_/2+windowH_/2);
142                navMarker_->setUV(0.5, 0.5, 1.0, 1.0);
143            }
144        }
145        else{
146            if(phi<r1) {
147                navMarker_->setPosition(-tan(phi)*windowH_/2+windowW_/2, 0);
148                navMarker_->setUV(0.5, 0.0, 1.0, 0.5);
149            }
150            else if(phi>3.14-r1) {
151                navMarker_->setPosition(tan(phi)*windowH_/2+windowW_/2, windowH_-16);
152                navMarker_->setUV(0.0, 0.5, 0.5, 1.0);
153            }
154            else {
155                navMarker_->setPosition(0, -tan((3.14-2*phi)/2)*windowW_/2+windowH_/2);
156                navMarker_->setUV(0.0, 0.0, 0.5, 0.5);
157            }
158        }
159    }
160
161    void RadarOverlayElement::addObject(Vector3 pos){
162        if(firstRadarObject_ == NULL){
163            firstRadarObject_ = new RadarObject(container_, pos);
164            lastRadarObject_ = firstRadarObject_;
165        }
166        else{
167            lastRadarObject_->next = new RadarObject(container_, pos);
168            lastRadarObject_ = lastRadarObject_->next;
169        }
170        }
171
172        void RadarOverlayElement::listObjects(){
173            int i = 0;
174            RadarObject* ro = firstRadarObject_;
175            COUT(3) << "List of RadarObjects:\n";
176            // iterate through all Radar Objects
177            while(ro != NULL) {
178                COUT(3) << i++ << ": " << ro->pos_ << std::endl;
179                ro = ro->next;
180            }
181        }
182
183        float RadarOverlayElement::getDist2Focus(){
184            if(focus_ == NULL) return(0.0);
185            return((focus_->pos_-shipPos_).length());
186        }
187
188        float RadarOverlayElement::calcRadius(RadarObject* obj){
189            return(acos((currentDir_.dotProduct(obj->pos_ - shipPos_))/
190                        ((obj->pos_ - shipPos_).length()*currentDir_.length())));
191        }
192
193        float RadarOverlayElement::calcPhi(RadarObject* obj){
194            // project difference vector on our plane...
195            Ogre::Vector3 proj = plane.projectVector(obj->pos_ - shipPos_);
196            // ...and find out the angle
197            return(acos((currentOrth_.dotProduct(proj))/
198            (currentOrth_.length()*proj.length())));
199        }
200
201        bool RadarOverlayElement::calcRight(RadarObject* obj){
202            if((currentDir_.crossProduct(currentOrth_)).dotProduct(obj->pos_ - shipPos_) > 0)
203                return true;
204        else return false;
205        }
206
207        /*static*/void RadarOverlayElement::cycleFocus(){
208            if(RadarOverlayElement::instance_s == NULL) return;
209
210            if(RadarOverlayElement::instance_s->focus_ == NULL){
211            RadarOverlayElement::instance_s->focus_ = RadarOverlayElement::instance_s->firstRadarObject_;
212            }
213        else{
214            RadarOverlayElement::instance_s->focus_->panel_->setMaterialName("Orxonox/RedDot");
215            RadarOverlayElement::instance_s->focus_ = RadarOverlayElement::instance_s->focus_->next;
216        }
217
218        if(RadarOverlayElement::instance_s->focus_ == NULL){
219            RadarOverlayElement::instance_s->navMarker_->hide();
220        }
221        else{
222            RadarOverlayElement::instance_s->navMarker_->show();
223            RadarOverlayElement::instance_s->focus_->panel_->setMaterialName("Orxonox/WhiteDot");
224        }
225        }
226}
227
228/* my local clipboard...
229COUT(3) << "WWWWWWWWWWWWWWWWWWWWWWWWWWWW\n";
230COUT(3) << firstRadarObject_->radius_ << "  " << firstRadarObject_->phi_ << std::endl;
231COUT(3) << "WWWWWWWWWWWWWWWWWWWWWWWWWWWW\n";
232*/
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