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 | * |
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27 | */ |
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28 | |
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29 | #include "OrxonoxStableHeaders.h" |
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30 | #include "Navigation.h" |
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31 | |
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32 | #include <OgreOverlayManager.h> |
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33 | #include <OgreStringConverter.h> |
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34 | |
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35 | //#include "GraphicsEngine.h" |
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36 | // TODO: remove the SpaceShip and CameraHandler dependencies |
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37 | #include "objects/SpaceShip.h" |
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38 | #include "objects/Projectile.h" |
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39 | #include "objects/CameraHandler.h" |
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40 | #include "HUD.h" |
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41 | #include "RadarObject.h" |
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42 | #include "RadarOverlayElement.h" |
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43 | #include "core/Debug.h" |
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44 | #include "core/CoreIncludes.h" |
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45 | |
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46 | namespace orxonox |
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47 | { |
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48 | CreateFactory(Navigation); |
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49 | |
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50 | using namespace Ogre; |
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51 | |
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52 | Navigation::Navigation() |
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53 | : container_(0) |
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54 | , navMarker_(0) |
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55 | , aimMarker_(0) |
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56 | , navText_(0) |
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57 | , focus_(0) |
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58 | { |
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59 | RegisterObject(Navigation); |
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60 | } |
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61 | |
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62 | Navigation::~Navigation() |
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63 | { |
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64 | if (this->isInitialized()) |
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65 | { |
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66 | if (this->container_) |
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67 | OverlayManager::getSingleton().destroyOverlayElement(this->container_); |
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68 | if (this->navMarker_) |
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69 | OverlayManager::getSingleton().destroyOverlayElement(this->navMarker_); |
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70 | if (this->navText_) |
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71 | OverlayManager::getSingleton().destroyOverlayElement(this->navText_); |
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72 | if (this->aimMarker_) |
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73 | OverlayManager::getSingleton().destroyOverlayElement(this->aimMarker_); |
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74 | } |
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75 | } |
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76 | |
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77 | void Navigation::XMLPort(Element& xmlElement, XMLPort::Mode mode) |
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78 | { |
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79 | HUDOverlay::XMLPort(xmlElement, mode); |
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80 | |
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81 | if (mode == XMLPort::LoadObject) |
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82 | { |
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83 | // create container |
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84 | container_ = static_cast<OverlayContainer*>(Ogre::OverlayManager::getSingleton().createOverlayElement("Panel", getName() + "_navContainer")); |
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85 | container_->setMetricsMode(Ogre::GMM_RELATIVE); |
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86 | container_->setLeft(0.0); |
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87 | container_->setTop(0.0); |
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88 | container_->setWidth(1.0); |
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89 | container_->setHeight(1.0); |
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90 | |
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91 | // create nav text |
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92 | navText_ = static_cast<TextAreaOverlayElement*>(Ogre::OverlayManager::getSingleton().createOverlayElement("TextArea", getName() + "_navText")); |
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93 | navText_->setMetricsMode(Ogre::GMM_RELATIVE); |
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94 | navText_->setPosition(0.0f, 0.0f); |
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95 | navText_->setCharHeight(0.05f); |
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96 | navText_->setFontName("Monofur"); |
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97 | |
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98 | // create nav marker |
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99 | navMarker_ = static_cast<PanelOverlayElement*>(OverlayManager::getSingleton().createOverlayElement("Panel", getName() + "_navMarker")); |
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100 | navMarker_->setMetricsMode(GMM_RELATIVE); |
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101 | navMarker_->setMaterialName("Orxonox/NavArrows"); |
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102 | this->navMarkerSize_ = 0.05; |
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103 | this->wasOutOfView_ = true; // just a to ensure the material is changed right the first time.. |
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104 | |
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105 | // create aim marker |
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106 | aimMarker_ = static_cast<PanelOverlayElement*>(OverlayManager::getSingleton().createOverlayElement("Panel", getName() + "_aimMarker")); |
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107 | aimMarker_->setMetricsMode(GMM_RELATIVE); |
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108 | aimMarker_->setMaterialName("Orxonox/NavCrosshair"); |
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109 | this->aimMarkerSize_ = 0.04; |
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110 | |
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111 | container_->addChild(navMarker_); |
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112 | container_->addChild(aimMarker_); |
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113 | container_->addChild(navText_); |
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114 | container_->show(); |
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115 | |
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116 | this->overlay_->add2D(container_); |
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117 | this->overlay_->hide(); |
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118 | } |
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119 | |
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120 | XMLPortParam(Navigation, "font", setFont, getFont, xmlElement, mode); |
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121 | XMLPortParam(Navigation, "textsize", setTextSize, getTextSize, xmlElement, mode); |
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122 | XMLPortParam(Navigation, "navmarkersize", setNavMarkerSize, getNavMarkerSize, xmlElement, mode); |
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123 | XMLPortParam(Navigation, "aimmarkersize", setAimMarkerSize, getAimMarkerSize, xmlElement, mode); |
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124 | |
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125 | if (mode == XMLPort::LoadObject) |
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126 | { |
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127 | this->sizeChanged(); |
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128 | } |
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129 | } |
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130 | |
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131 | void Navigation::setNavMarkerSize(float size) |
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132 | { |
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133 | this->navMarkerSize_ = size; |
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134 | } |
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135 | |
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136 | float Navigation::getNavMarkerSize() const |
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137 | { |
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138 | return this->navMarkerSize_; |
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139 | } |
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140 | |
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141 | void Navigation::setAimMarkerSize(float size) |
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142 | { |
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143 | this->aimMarkerSize_ = size; |
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144 | } |
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145 | |
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146 | float Navigation::getAimMarkerSize() const |
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147 | { |
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148 | return this->aimMarkerSize_; |
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149 | } |
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150 | |
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151 | void Navigation::setFont(const std::string& font) |
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152 | { |
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153 | if (this->navText_ && font != "") |
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154 | this->navText_->setFontName(font); |
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155 | } |
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156 | |
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157 | std::string Navigation::getFont() const |
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158 | { |
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159 | if (this->navText_) |
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160 | return this->navText_->getFontName(); |
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161 | else |
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162 | return ""; |
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163 | } |
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164 | |
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165 | void Navigation::setTextSize(float size) |
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166 | { |
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167 | if (this->navText_ && size >= 0.0f) |
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168 | this->navText_->setCharHeight(size); |
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169 | } |
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170 | |
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171 | float Navigation::getTextSize() const |
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172 | { |
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173 | if (this->navText_) |
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174 | return this->navText_->getCharHeight(); |
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175 | else |
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176 | return 0.0f; |
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177 | } |
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178 | |
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179 | void Navigation::tick(float dt) |
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180 | { |
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181 | if (!focus_) |
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182 | return; |
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183 | |
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184 | updateMarker(); |
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185 | } |
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186 | |
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187 | void Navigation::updateMarker() |
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188 | { |
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189 | // set text |
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190 | int dist = (int) getDist2Focus()/100.0f; |
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191 | navText_->setCaption(convertToString(dist)); |
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192 | float textLength = convertToString(dist).size() * navText_->getCharHeight() * 0.3; |
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193 | |
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194 | Ogre::Camera* navCam = SpaceShip::getLocalShip()->getCamera()->cam_; |
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195 | Matrix4 transformationMatrix = navCam->getProjectionMatrix() * navCam->getViewMatrix(); |
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196 | // transform to screen coordinates |
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197 | Vector3 pos = transformationMatrix * focus_->getPosition(); |
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198 | |
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199 | bool outOfView; |
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200 | if (pos.z > 1.0) |
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201 | { |
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202 | // z > 1.0 means that the object is behind the camera |
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203 | outOfView = true; |
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204 | // we have to switch all coordinates (if you don't know why, |
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205 | // try linear algebra lectures, because I can't explain..) |
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206 | pos.x = -pos.x; |
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207 | pos.y = -pos.y; |
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208 | } |
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209 | else |
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210 | outOfView = pos.x < -1.0 || pos.x > 1.0 || pos.y < -1.0 || pos.y > 1.0; |
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211 | |
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212 | if (outOfView) |
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213 | { |
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214 | // object is not in view |
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215 | aimMarker_->hide(); |
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216 | |
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217 | if (!wasOutOfView_) |
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218 | { |
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219 | navMarker_->setMaterialName("Orxonox/NavArrows"); |
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220 | wasOutOfView_ = true; |
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221 | } |
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222 | |
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223 | if (pos.x < pos.y) |
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224 | { |
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225 | if (pos.y > -pos.x) |
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226 | { |
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227 | // up |
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228 | float position = pos.x / pos.y + 1.0; |
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229 | navMarker_->setPosition((position - navMarker_->getWidth()) * 0.5, 0.0); |
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230 | navMarker_->setUV(0.5, 0.0, 1.0, 0.5); |
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231 | navText_->setLeft((position - textLength) * 0.5); |
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232 | navText_->setTop(navMarker_->getHeight()); |
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233 | } |
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234 | else |
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235 | { |
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236 | // left |
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237 | float position = pos.y / pos.x + 1.0; |
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238 | navMarker_->setPosition(0.0, (position - navMarker_->getWidth()) * 0.5); |
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239 | navMarker_->setUV(0.0, 0.0, 0.5, 0.5); |
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240 | navText_->setLeft(navMarker_->getWidth() + 0.01); |
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241 | navText_->setTop((position - navText_->getCharHeight()) * 0.5); |
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242 | } |
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243 | } |
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244 | else |
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245 | { |
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246 | if (pos.y < -pos.x) |
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247 | { |
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248 | // down |
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249 | float position = -pos.x / pos.y + 1.0; |
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250 | navMarker_->setPosition((position - navMarker_->getWidth()) * 0.5, 1.0 - navMarker_->getHeight()); |
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251 | navMarker_->setUV(0.0, 0.5, 0.5, 1.0); |
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252 | navText_->setLeft((position - textLength) * 0.5); |
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253 | navText_->setTop(1.0 - navMarker_->getHeight() - navText_->getCharHeight()); |
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254 | } |
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255 | else |
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256 | { |
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257 | // right |
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258 | float position = -pos.y / pos.x + 1.0; |
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259 | navMarker_->setPosition(1.0 - navMarker_->getWidth(), (position - navMarker_->getHeight()) * 0.5); |
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260 | navMarker_->setUV(0.5, 0.5, 1.0, 1.0); |
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261 | navText_->setLeft(1.0 - navMarker_->getWidth() - textLength - 0.01); |
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262 | navText_->setTop((position - navText_->getCharHeight()) * 0.5); |
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263 | } |
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264 | } |
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265 | } |
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266 | else |
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267 | { |
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268 | // object is in view |
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269 | |
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270 | Vector3 aimpos = transformationMatrix * getPredictedPosition(SpaceShip::getLocalShip()->getPosition(), |
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271 | Projectile::getSpeed(), focus_->getPosition(), focus_->getOrientedVelocity()); |
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272 | |
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273 | if (wasOutOfView_) |
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274 | { |
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275 | navMarker_->setMaterialName("Orxonox/NavTDC"); |
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276 | wasOutOfView_ = false; |
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277 | } |
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278 | |
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279 | // object is in view |
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280 | navMarker_->setUV(0.0, 0.0, 1.0, 1.0); |
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281 | navMarker_->setLeft((pos.x + 1.0 - navMarker_->getWidth()) * 0.5); |
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282 | navMarker_->setTop((-pos.y + 1.0 - navMarker_->getHeight()) * 0.5); |
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283 | |
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284 | aimMarker_->show(); |
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285 | aimMarker_->setLeft((aimpos.x + 1.0 - aimMarker_->getWidth()) * 0.5); |
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286 | aimMarker_->setTop((-aimpos.y + 1.0 - aimMarker_->getHeight()) * 0.5); |
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287 | |
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288 | navText_->setLeft((pos.x + 1.0 + navMarker_->getWidth()) * 0.5); |
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289 | navText_->setTop((-pos.y + 1.0 + navMarker_->getHeight()) * 0.5); |
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290 | } |
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291 | } |
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292 | |
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293 | void Navigation::cycleFocus() |
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294 | { |
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295 | if (!focus_) |
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296 | { |
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297 | // Get closest object |
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298 | float distance = (unsigned int) -1; |
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299 | Vector3 shipPos = SpaceShip::getLocalShip()->getPosition(); |
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300 | it_ = HUD::getSingleton().getRadarObjects().begin(); |
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301 | |
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302 | for (std::list<RadarObject*>::iterator it = HUD::getSingleton().getRadarObjects().begin(); it != HUD::getSingleton().getRadarObjects().end(); ++it) |
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303 | { |
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304 | float newdist = (*it)->getPosition().squaredDistance(shipPos); |
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305 | if (newdist < distance) |
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306 | { |
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307 | distance = newdist; |
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308 | it_ = it; |
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309 | } |
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310 | } |
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311 | |
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312 | if (it_ != HUD::getSingleton().getRadarObjects().end()) |
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313 | { |
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314 | focus_ = *it_; |
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315 | |
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316 | // move the focused object to the begin of the list, so we will iterate through all other objects when cycling |
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317 | HUD::getSingleton().getRadarObjects().erase(it_); |
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318 | HUD::getSingleton().getRadarObjects().insert(HUD::getSingleton().getRadarObjects().begin(), focus_); |
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319 | it_ = HUD::getSingleton().getRadarObjects().begin(); |
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320 | } |
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321 | } |
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322 | else if (it_ != HUD::getSingleton().getRadarObjects().end()) |
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323 | { |
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324 | focus_->resetMaterial(); |
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325 | ++it_; |
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326 | if (it_ != HUD::getSingleton().getRadarObjects().end()) |
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327 | focus_ = *it_; |
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328 | else |
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329 | focus_ = 0; |
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330 | } |
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331 | else |
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332 | { |
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333 | focus_ = 0; |
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334 | } |
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335 | updateFocus(); |
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336 | } |
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337 | |
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338 | void Navigation::updateFocus() |
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339 | { |
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340 | if (focus_) |
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341 | { |
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342 | overlay_->show(); |
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343 | focus_->setColour(ColourValue::White); |
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344 | } |
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345 | else |
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346 | { |
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347 | overlay_->hide(); |
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348 | } |
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349 | } |
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350 | |
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351 | void Navigation::releaseFocus() |
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352 | { |
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353 | this->focus_ = 0; |
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354 | this->updateFocus(); |
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355 | } |
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356 | |
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357 | float Navigation::getDist2Focus() const |
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358 | { |
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359 | if (focus_) |
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360 | return (focus_->getPosition() - SpaceShip::getLocalShip()->getPosition()).length(); |
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361 | else |
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362 | return 0; |
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363 | } |
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364 | |
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365 | void Navigation::sizeChanged() |
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366 | { |
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367 | float xScale = this->getActualSize().x; |
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368 | float yScale = this->getActualSize().y; |
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369 | if (this->navMarker_) |
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370 | navMarker_->setDimensions(navMarkerSize_ * xScale, navMarkerSize_ * yScale); |
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371 | if (this->aimMarker_) |
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372 | aimMarker_->setDimensions(aimMarkerSize_ * xScale, aimMarkerSize_ * yScale); |
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373 | if (this->navText_) |
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374 | navText_->setCharHeight(navText_->getCharHeight() * yScale); |
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375 | } |
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376 | } |
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