| 1 | /* | 
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| 2 | *   ORXONOX - the hottest 3D action shooter ever to exist | 
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| 3 | *                    > www.orxonox.net < | 
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| 4 | * | 
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| 5 | * | 
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| 6 | *   License notice: | 
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| 7 | * | 
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| 8 | *   This program is free software; you can redistribute it and/or | 
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| 9 | *   modify it under the terms of the GNU General Public License | 
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| 10 | *   as published by the Free Software Foundation; either version 2 | 
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| 11 | *   of the License, or (at your option) any later version. | 
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| 12 | * | 
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| 13 | *   This program is distributed in the hope that it will be useful, | 
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| 14 | *   but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 15 | *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 16 | *   GNU General Public License for more details. | 
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| 17 | * | 
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| 18 | *   You should have received a copy of the GNU General Public License | 
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| 19 | *   along with this program; if not, write to the Free Software | 
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| 20 | *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. | 
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| 21 | * | 
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| 22 | *   Author: | 
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| 23 | *      Felix Schulthess | 
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| 24 | *   Co-authors: | 
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| 25 | *      Reto Grieder | 
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| 26 | *      Oliver Scheuss | 
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| 27 | *      Matthias Spalinger | 
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| 28 | * | 
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| 29 | */ | 
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| 30 |  | 
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| 31 | #include "HUDNavigation.h" | 
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| 32 |  | 
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| 33 | #include <OgreCamera.h> | 
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| 34 | #include <OgreFontManager.h> | 
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| 35 | #include <OgreOverlayManager.h> | 
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| 36 | #include <OgreTextAreaOverlayElement.h> | 
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| 37 | #include <OgrePanelOverlayElement.h> | 
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| 38 |  | 
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| 39 | #include "util/Math.h" | 
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| 40 | #include "util/Convert.h" | 
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| 41 | #include "core/CoreIncludes.h" | 
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| 42 | #include "core/XMLPort.h" | 
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| 43 | #include "CameraManager.h" | 
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| 44 | #include "Scene.h" | 
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| 45 | #include "Radar.h" | 
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| 46 | #include "graphics/Camera.h" | 
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| 47 | #include "controllers/HumanController.h" | 
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| 48 | #include "worldentities/pawns/Pawn.h" | 
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| 49 | #include "worldentities/WorldEntity.h" | 
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| 50 | #include "core/ConfigValueIncludes.h" | 
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| 51 | #include "tools/TextureGenerator.h" | 
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| 52 | // #include <boost/bind/bind_template.hpp> | 
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| 53 |  | 
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| 54 |  | 
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| 55 | namespace orxonox | 
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| 56 | { | 
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| 57 | bool compareDistance(std::pair<RadarViewable*, unsigned int> a, std::pair<RadarViewable*, unsigned int> b) | 
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| 58 | { | 
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| 59 | return a.second < b.second; | 
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| 60 | } | 
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| 61 |  | 
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| 62 | CreateFactory ( HUDNavigation ); | 
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| 63 |  | 
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| 64 | HUDNavigation::HUDNavigation(BaseObject* creator) : OrxonoxOverlay(creator) | 
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| 65 | { | 
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| 66 | RegisterObject(HUDNavigation); | 
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| 67 | this->setConfigValues(); | 
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| 68 |  | 
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| 69 | // Set default values | 
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| 70 | this->setFont("Monofur"); | 
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| 71 | this->setTextSize(0.05f); | 
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| 72 | this->setNavMarkerSize(0.05f); | 
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| 73 | this->setDetectionLimit(10000.0f); | 
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| 74 | } | 
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| 75 |  | 
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| 76 | HUDNavigation::~HUDNavigation() | 
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| 77 | { | 
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| 78 | if (this->isInitialized()) | 
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| 79 | { | 
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| 80 | for (std::map<RadarViewable*, ObjectInfo>::iterator it = this->activeObjectList_.begin(); it != this->activeObjectList_.end();) | 
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| 81 | removeObject((it++)->first); | 
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| 82 | } | 
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| 83 | this->sortedObjectList_.clear(); | 
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| 84 | } | 
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| 85 |  | 
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| 86 | void HUDNavigation::setConfigValues() | 
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| 87 | { | 
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| 88 | SetConfigValue(markerLimit_, 3); | 
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| 89 | SetConfigValue(showDistance_, false); | 
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| 90 | } | 
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| 91 |  | 
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| 92 | void HUDNavigation::XMLPort(Element& xmlelement, XMLPort::Mode mode) | 
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| 93 | { | 
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| 94 | SUPER(HUDNavigation, XMLPort, xmlelement, mode); | 
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| 95 |  | 
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| 96 | XMLPortParam(HUDNavigation, "font",           setFont,           getFont,           xmlelement, mode); | 
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| 97 | XMLPortParam(HUDNavigation, "textSize",       setTextSize,       getTextSize,       xmlelement, mode); | 
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| 98 | XMLPortParam(HUDNavigation, "navMarkerSize",  setNavMarkerSize,  getNavMarkerSize,  xmlelement, mode); | 
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| 99 | XMLPortParam(HUDNavigation, "detectionLimit", setDetectionLimit, getDetectionLimit, xmlelement, mode); | 
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| 100 | } | 
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| 101 |  | 
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| 102 | void HUDNavigation::setFont(const std::string& font) | 
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| 103 | { | 
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| 104 | const Ogre::ResourcePtr& fontPtr = Ogre::FontManager::getSingleton().getByName(font); | 
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| 105 | if (fontPtr.isNull()) | 
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| 106 | { | 
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| 107 | orxout(internal_warning) << "HUDNavigation: Font '" << font << "' not found" << endl; | 
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| 108 | return; | 
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| 109 | } | 
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| 110 | this->fontName_ = font; | 
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| 111 | for (std::map<RadarViewable*, ObjectInfo>::iterator it = this->activeObjectList_.begin(); it != this->activeObjectList_.end(); ++it) | 
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| 112 | { | 
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| 113 | if (it->second.text_ != NULL) | 
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| 114 | it->second.text_->setFontName(this->fontName_); | 
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| 115 | } | 
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| 116 | } | 
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| 117 |  | 
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| 118 | const std::string& HUDNavigation::getFont() const | 
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| 119 | { | 
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| 120 | return this->fontName_; | 
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| 121 | } | 
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| 122 |  | 
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| 123 | void HUDNavigation::setTextSize(float size) | 
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| 124 | { | 
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| 125 | if (size <= 0.0f) | 
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| 126 | { | 
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| 127 | orxout(internal_warning) << "HUDNavigation: Negative font size not allowed" << endl; | 
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| 128 | return; | 
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| 129 | } | 
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| 130 | this->textSize_ = size; | 
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| 131 | for (std::map<RadarViewable*, ObjectInfo>::iterator it = this->activeObjectList_.begin(); it!=this->activeObjectList_.end(); ++it) | 
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| 132 | { | 
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| 133 | if (it->second.text_) | 
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| 134 | it->second.text_->setCharHeight(size); | 
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| 135 | } | 
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| 136 | } | 
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| 137 |  | 
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| 138 | float HUDNavigation::getTextSize() const | 
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| 139 | { | 
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| 140 | return this->textSize_; | 
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| 141 | } | 
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| 142 |  | 
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| 143 | float HUDNavigation::getArrowSizeX(int dist) const | 
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| 144 | { | 
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| 145 | if (dist < 600) | 
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| 146 | dist = 600; | 
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| 147 | return this->getActualSize().x * 900 * this->navMarkerSize_ / dist; | 
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| 148 | } | 
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| 149 |  | 
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| 150 | float HUDNavigation::getArrowSizeY(int dist) const | 
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| 151 | { | 
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| 152 | if (dist < 600) | 
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| 153 | dist = 600; | 
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| 154 | return this->getActualSize().y * 900 * this->navMarkerSize_ / dist; | 
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| 155 | } | 
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| 156 |  | 
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| 157 | void HUDNavigation::tick(float dt) | 
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| 158 | { | 
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| 159 | SUPER(HUDNavigation, tick, dt); | 
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| 160 |  | 
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| 161 | Camera* cam = CameraManager::getInstance().getActiveCamera(); | 
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| 162 | if (cam == NULL) | 
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| 163 | return; | 
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| 164 | const Matrix4& camTransform = cam->getOgreCamera()->getProjectionMatrix() * cam->getOgreCamera()->getViewMatrix(); | 
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| 165 |  | 
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| 166 |  | 
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| 167 | for (std::list<std::pair<RadarViewable*, unsigned int> >::iterator listIt = this->sortedObjectList_.begin(); listIt != this->sortedObjectList_.end(); ++listIt) | 
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| 168 | listIt->second = (int)((listIt->first->getRVWorldPosition() - HumanController::getLocalControllerSingleton()->getControllableEntity()->getWorldPosition()).length() + 0.5f); | 
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| 169 |  | 
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| 170 | this->sortedObjectList_.sort(compareDistance); | 
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| 171 |  | 
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| 172 | unsigned int markerCount = 0; | 
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| 173 | bool closeEnough = false; // only display objects that are close enough to be relevant for the player | 
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| 174 |  | 
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| 175 | for (std::list<std::pair<RadarViewable*, unsigned int> >::iterator listIt = this->sortedObjectList_.begin(); listIt != this->sortedObjectList_.end(); ++markerCount, ++listIt) | 
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| 176 | { | 
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| 177 | std::map<RadarViewable*, ObjectInfo>::iterator it = this->activeObjectList_.find(listIt->first); | 
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| 178 | closeEnough = listIt->second < this->detectionLimit_; | 
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| 179 | // display radarviewables on HUD if the marker limit and max-distance is not exceeded | 
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| 180 | if (markerCount < this->markerLimit_ && (closeEnough ||  this->detectionLimit_ < 0)) | 
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| 181 | { | 
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| 182 | // Get Distance to HumanController and save it in the TextAreaOverlayElement. | 
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| 183 | int dist = listIt->second; | 
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| 184 | float textLength = 0.0f; | 
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| 185 |  | 
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| 186 | if (this->showDistance_) | 
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| 187 | { | 
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| 188 | //display distance next to cursor | 
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| 189 | it->second.text_->setCaption(multi_cast<std::string>(dist)); | 
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| 190 | textLength = multi_cast<std::string>(dist).size() * it->second.text_->getCharHeight() * 0.3f; | 
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| 191 | } | 
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| 192 | else | 
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| 193 | { | 
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| 194 | //display name next to cursor | 
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| 195 | it->second.text_->setCaption(it->first->getRadarName()); | 
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| 196 | textLength = it->first->getRadarName().size() * it->second.text_->getCharHeight() * 0.3f; | 
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| 197 | } | 
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| 198 |  | 
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| 199 | // Transform to screen coordinates | 
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| 200 | Vector3 pos = camTransform * it->first->getRVWorldPosition(); | 
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| 201 |  | 
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| 202 | bool outOfView = true; | 
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| 203 | if (pos.z > 1.0) | 
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| 204 | { | 
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| 205 | // z > 1.0 means that the object is behind the camera | 
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| 206 | outOfView = true; | 
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| 207 | // we have to switch all coordinates (if you don't know why, | 
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| 208 | // try linear algebra lectures, because I can't explain..) | 
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| 209 | pos.x = -pos.x; | 
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| 210 | pos.y = -pos.y; | 
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| 211 | } | 
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| 212 | else | 
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| 213 | outOfView = pos.x < -1.0 || pos.x > 1.0 || pos.y < -1.0 || pos.y > 1.0; | 
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| 214 |  | 
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| 215 | if (outOfView) | 
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| 216 | { | 
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| 217 | // Object is not in view | 
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| 218 |  | 
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| 219 | // Change material only if outOfView changed | 
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| 220 | if (!it->second.wasOutOfView_) | 
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| 221 | { | 
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| 222 | it->second.panel_->setMaterialName(TextureGenerator::getMaterialName("arrows.png", it->first->getRadarObjectColour())); | 
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| 223 | it->second.wasOutOfView_ = true; | 
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| 224 | } | 
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| 225 |  | 
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| 226 | //float xDistScale = this->getActualSize().x * 1000.0f * this->navMarkerSize_ / dist; | 
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| 227 | //float yDistScale = this->getActualSize().y * 1000.0f * this->navMarkerSize_ / dist; | 
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| 228 |  | 
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| 229 | // Adjust Arrowsize according to distance | 
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| 230 | it->second.panel_->setDimensions(getArrowSizeX(dist), getArrowSizeY(dist)); | 
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| 231 |  | 
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| 232 | // Switch between top, bottom, left and right position of the arrow at the screen border | 
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| 233 | if (pos.x < pos.y) | 
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| 234 | { | 
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| 235 | if (pos.y > -pos.x) | 
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| 236 | { | 
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| 237 | // Top | 
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| 238 | float position = pos.x / pos.y + 1.0f; | 
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| 239 | it->second.panel_->setPosition((position - it->second.panel_->getWidth()) * 0.5f, 0.0f); | 
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| 240 | it->second.panel_->setUV(0.5f, 0.0f, 1.0f, 0.5f); | 
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| 241 | it->second.text_->setLeft((position - textLength) * 0.5f); | 
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| 242 | it->second.text_->setTop(it->second.panel_->getHeight()); | 
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| 243 | } | 
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| 244 | else | 
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| 245 | { | 
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| 246 | // Left | 
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| 247 | float position = pos.y / pos.x + 1.0f; | 
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| 248 | it->second.panel_->setPosition(0.0f, (position - it->second.panel_->getWidth()) * 0.5f); | 
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| 249 | it->second.panel_->setUV(0.0f, 0.0f, 0.5f, 0.5f); | 
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| 250 | it->second.text_->setLeft(it->second.panel_->getWidth() + 0.01f); | 
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| 251 | it->second.text_->setTop((position - it->second.text_->getCharHeight()) * 0.5f); | 
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| 252 | } | 
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| 253 | } | 
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| 254 | else | 
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| 255 | { | 
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| 256 | if (pos.y < -pos.x) | 
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| 257 | { | 
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| 258 | // Bottom | 
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| 259 | float position = -pos.x / pos.y + 1.0f; | 
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| 260 | it->second.panel_->setPosition((position - it->second.panel_->getWidth()) * 0.5f, 1.0f - it->second.panel_->getHeight()); | 
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| 261 | it->second.panel_->setUV(0.0f, 0.5f, 0.5f, 1.0f ); | 
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| 262 | it->second.text_->setLeft((position - textLength) * 0.5f); | 
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| 263 | it->second.text_->setTop(1.0f - it->second.panel_->getHeight() - it->second.text_->getCharHeight()); | 
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| 264 | } | 
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| 265 | else | 
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| 266 | { | 
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| 267 | // Right | 
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| 268 | float position = -pos.y / pos.x + 1.0f; | 
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| 269 | it->second.panel_->setPosition(1.0f - it->second.panel_->getWidth(), (position - it->second.panel_->getHeight()) * 0.5f); | 
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| 270 | it->second.panel_->setUV(0.5f, 0.5f, 1.0f, 1.0f); | 
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| 271 | it->second.text_->setLeft(1.0f - it->second.panel_->getWidth() - textLength - 0.01f); | 
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| 272 | it->second.text_->setTop((position - it->second.text_->getCharHeight()) * 0.5f); | 
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| 273 | } | 
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| 274 | } | 
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| 275 | } | 
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| 276 | else | 
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| 277 | { | 
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| 278 | // Object is in view | 
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| 279 |  | 
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| 280 | // Change material only if outOfView changed | 
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| 281 | if (it->second.wasOutOfView_) | 
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| 282 | { | 
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| 283 | //it->second.panel_->setMaterialName("Orxonox/NavTDC"); | 
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| 284 | it->second.panel_->setMaterialName(TextureGenerator::getMaterialName("tdc.png", it->first->getRadarObjectColour())); | 
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| 285 | it->second.panel_->setDimensions(this->navMarkerSize_ * this->getActualSize().x, this->navMarkerSize_ * this->getActualSize().y); | 
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| 286 | it->second.wasOutOfView_ = false; | 
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| 287 | } | 
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| 288 |  | 
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| 289 | // Position marker | 
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| 290 | it->second.panel_->setUV(0.0f, 0.0f, 1.0f, 1.0f); | 
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| 291 | it->second.panel_->setLeft((pos.x + 1.0f - it->second.panel_->getWidth()) * 0.5f); | 
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| 292 | it->second.panel_->setTop((-pos.y + 1.0f - it->second.panel_->getHeight()) * 0.5f); | 
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| 293 |  | 
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| 294 | // Position text | 
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| 295 | it->second.text_->setLeft((pos.x + 1.0f + it->second.panel_->getWidth()) * 0.5f); | 
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| 296 | it->second.text_->setTop((-pos.y + 1.0f + it->second.panel_->getHeight()) * 0.5f); | 
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| 297 | } | 
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| 298 |  | 
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| 299 | // Make sure the overlays are shown | 
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| 300 | it->second.panel_->show(); | 
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| 301 | it->second.text_->show(); | 
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| 302 | } | 
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| 303 | else // do not display on HUD | 
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| 304 | { | 
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| 305 | it->second.panel_->hide(); | 
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| 306 | it->second.text_->hide(); | 
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| 307 | } | 
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| 308 | } | 
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| 309 | } | 
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| 310 |  | 
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| 311 | /** Overridden method of OrxonoxOverlay. | 
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| 312 | @details | 
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| 313 | Usually the entire overlay scales with scale(). | 
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| 314 | Here we obviously have to adjust this. | 
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| 315 | */ | 
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| 316 | void HUDNavigation::sizeChanged() | 
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| 317 | { | 
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| 318 | // Use size to compensate for aspect ratio if enabled. | 
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| 319 | float xScale = this->getActualSize().x; | 
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| 320 | float yScale = this->getActualSize().y; | 
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| 321 |  | 
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| 322 | for (std::map<RadarViewable*, ObjectInfo>::iterator it = this->activeObjectList_.begin(); it != this->activeObjectList_.end(); ++it) | 
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| 323 | { | 
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| 324 | if (it->second.panel_ != NULL) | 
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| 325 | it->second.panel_->setDimensions(this->navMarkerSize_ * xScale, this->navMarkerSize_ * yScale); | 
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| 326 | if (it->second.text_ != NULL) | 
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| 327 | it->second.text_->setCharHeight(it->second.text_->getCharHeight() * yScale); | 
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| 328 | } | 
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| 329 | } | 
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| 330 |  | 
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| 331 | void HUDNavigation::addObject(RadarViewable* object) | 
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| 332 | { | 
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| 333 | if (showObject(object) == false) | 
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| 334 | return; | 
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| 335 |  | 
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| 336 | if (this->activeObjectList_.size() >= this->markerLimit_) | 
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| 337 | if (object == NULL) | 
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| 338 | return; | 
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| 339 |  | 
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| 340 | // Object hasn't been added yet (we know that) | 
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| 341 | assert(this->activeObjectList_.find(object) == this->activeObjectList_.end()); | 
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| 342 |  | 
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| 343 | // Scales used for dimensions and text size | 
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| 344 | float xScale = this->getActualSize().x; | 
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| 345 | float yScale = this->getActualSize().y; | 
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| 346 |  | 
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| 347 | // Create everything needed to display the object on the radar and add it to the map | 
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| 348 |  | 
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| 349 | // Create arrow/marker | 
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| 350 | Ogre::PanelOverlayElement* panel = static_cast<Ogre::PanelOverlayElement*>( Ogre::OverlayManager::getSingleton() | 
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| 351 | .createOverlayElement("Panel", "HUDNavigation_navMarker_" + getUniqueNumberString())); | 
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| 352 | //panel->setMaterialName("Orxonox/NavTDC"); | 
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| 353 | panel->setMaterialName(TextureGenerator::getMaterialName("tdc.png", object->getRadarObjectColour())); | 
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| 354 | panel->setDimensions(this->navMarkerSize_ * xScale, this->navMarkerSize_ * yScale); | 
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| 355 | //panel->setColour(object->getRadarObjectColour()); | 
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| 356 |  | 
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| 357 | Ogre::TextAreaOverlayElement* text = static_cast<Ogre::TextAreaOverlayElement*>( Ogre::OverlayManager::getSingleton() | 
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| 358 | .createOverlayElement("TextArea", "HUDNavigation_navText_" + getUniqueNumberString())); | 
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| 359 | text->setFontName(this->fontName_); | 
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| 360 | text->setCharHeight(text->getCharHeight() * yScale); | 
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| 361 | text->setColour(object->getRadarObjectColour()); | 
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| 362 |  | 
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| 363 | panel->hide(); | 
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| 364 | text->hide(); | 
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| 365 |  | 
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| 366 | ObjectInfo tempStruct = {panel, text, false /*, TODO: initialize wasOutOfView_ */}; | 
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| 367 | this->activeObjectList_[object] = tempStruct; | 
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| 368 |  | 
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| 369 | this->background_->addChild(panel); | 
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| 370 | this->background_->addChild(text); | 
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| 371 |  | 
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| 372 | this->sortedObjectList_.push_front(std::make_pair(object, (unsigned int)0)); | 
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| 373 | } | 
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| 374 |  | 
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| 375 | void HUDNavigation::removeObject(RadarViewable* viewable) | 
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| 376 | { | 
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| 377 | std::map<RadarViewable*, ObjectInfo>::iterator it = this->activeObjectList_.find(viewable); | 
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| 378 |  | 
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| 379 | if (this->activeObjectList_.find(viewable) != this->activeObjectList_.end()) | 
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| 380 | { | 
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| 381 | // Detach overlays | 
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| 382 | this->background_->removeChild(it->second.panel_->getName()); | 
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| 383 | this->background_->removeChild(it->second.text_->getName()); | 
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| 384 | // Properly destroy the overlay elements (do not use delete!) | 
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| 385 | Ogre::OverlayManager::getSingleton().destroyOverlayElement(it->second.panel_); | 
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| 386 | Ogre::OverlayManager::getSingleton().destroyOverlayElement(it->second.text_); | 
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| 387 | // Remove from the list | 
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| 388 | this->activeObjectList_.erase(viewable); | 
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| 389 | } | 
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| 390 |  | 
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| 391 | for (std::list<std::pair<RadarViewable*, unsigned int> >::iterator listIt = this->sortedObjectList_.begin(); listIt != this->sortedObjectList_.end(); ++listIt) | 
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| 392 | { | 
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| 393 | if ((listIt->first) == viewable) | 
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| 394 | { | 
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| 395 | this->sortedObjectList_.erase(listIt); | 
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| 396 | break; | 
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| 397 | } | 
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| 398 | } | 
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| 399 | } | 
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| 400 |  | 
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| 401 | void HUDNavigation::objectChanged(RadarViewable* viewable) | 
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| 402 | { | 
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| 403 | // TODO: niceification neccessary ;) | 
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| 404 | removeObject(viewable); | 
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| 405 | addObject(viewable); | 
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| 406 | } | 
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| 407 |  | 
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| 408 | bool HUDNavigation::showObject(RadarViewable* rv) | 
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| 409 | { | 
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| 410 | if (rv == orxonox_cast<RadarViewable*>(this->getOwner())) | 
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| 411 | return false; | 
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| 412 | assert(rv->getWorldEntity()); | 
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| 413 | if (rv->getWorldEntity()->isVisible() == false || rv->getRadarVisibility() == false) | 
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| 414 | return false; | 
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| 415 | return true; | 
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| 416 | } | 
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| 417 |  | 
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| 418 | void HUDNavigation::changedOwner() | 
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| 419 | { | 
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| 420 | const std::set<RadarViewable*>& respawnObjects = this->getOwner()->getScene()->getRadar()->getRadarObjects(); | 
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| 421 | for (std::set<RadarViewable*>::const_iterator it = respawnObjects.begin(); it != respawnObjects.end(); ++it) | 
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| 422 | { | 
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| 423 | if (!(*it)->isHumanShip_) | 
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| 424 | this->addObject(*it); | 
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| 425 | } | 
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| 426 | } | 
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| 427 | } | 
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