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 | * Baptiste Mottet |
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24 | * Co-authors: |
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25 | * ... |
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26 | * |
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27 | */ |
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28 | |
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29 | |
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30 | |
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31 | #include "HUDAimAssistant.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 | |
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53 | namespace orxonox |
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54 | { |
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55 | CreateFactory ( HUDAimAssistant ); |
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56 | |
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57 | static 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 | |
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63 | HUDAimAssistant::HUDAimAssistant(BaseObject* creator) : OrxonoxOverlay(creator) |
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64 | { |
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65 | RegisterObject(HUDAimAssistant); |
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66 | this->setConfigValues(); |
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67 | |
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68 | // Set default values |
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69 | this->setPointerSize(0.03f); |
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70 | this->setDetectionLimit(10000.0f); |
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71 | } |
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72 | |
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73 | HUDAimAssistant::~HUDAimAssistant() |
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74 | { |
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75 | if (this->isInitialized()) |
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76 | { |
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77 | for (std::map<RadarViewable*, ObjectInfo>::iterator it = this->activeObjectList_.begin(); it != this->activeObjectList_.end();) |
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78 | removeObject((it++)->first); |
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79 | } |
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80 | this->sortedObjectList_.clear(); |
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81 | } |
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82 | |
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83 | void HUDAimAssistant::setConfigValues() |
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84 | { |
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85 | SetConfigValue(markerLimit_, 3); |
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86 | } |
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87 | |
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88 | void HUDAimAssistant::XMLPort(Element& xmlelement, XMLPort::Mode mode) |
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89 | { |
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90 | SUPER(HUDAimAssistant, XMLPort, xmlelement, mode); |
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91 | |
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92 | XMLPortParam(HUDAimAssistant, "pointerSize", setPointerSize, getPointerSize, xmlelement, mode); |
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93 | XMLPortParam(HUDAimAssistant, "detectionLimit", setDetectionLimit, getDetectionLimit, xmlelement, mode); |
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94 | } |
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95 | |
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96 | void HUDAimAssistant::tick(float dt) |
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97 | { |
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98 | SUPER(HUDAimAssistant, tick, dt); |
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99 | |
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100 | Camera* cam = CameraManager::getInstance().getActiveCamera(); |
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101 | if (cam == NULL) |
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102 | return; |
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103 | const Matrix4& camTransform = cam->getOgreCamera()->getProjectionMatrix() * cam->getOgreCamera()->getViewMatrix(); |
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104 | |
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105 | |
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106 | for (std::list<std::pair<RadarViewable*, unsigned int> >::iterator listIt = this->sortedObjectList_.begin(); listIt != this->sortedObjectList_.end(); ++listIt) |
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107 | listIt->second = (int)((listIt->first->getRVWorldPosition() - HumanController::getLocalControllerSingleton()->getControllableEntity()->getWorldPosition()).length() + 0.5f); |
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108 | |
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109 | this->sortedObjectList_.sort(compareDistance); |
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110 | |
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111 | unsigned int markerCount = 0; |
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112 | bool closeEnough = false; // only display objects that are close enough to be relevant for the player |
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113 | |
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114 | for (std::list<std::pair<RadarViewable*, unsigned int> >::iterator listIt = this->sortedObjectList_.begin(); listIt != this->sortedObjectList_.end(); ++markerCount, ++listIt) |
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115 | { |
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116 | std::map<RadarViewable*, ObjectInfo>::iterator it = this->activeObjectList_.find(listIt->first); |
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117 | closeEnough = listIt->second < this->detectionLimit_; |
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118 | // display radarviewables on HUD if the marker limit and max-distance is not exceeded |
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119 | if (markerCount < this->markerLimit_ && (closeEnough || this->detectionLimit_ < 0)) |
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120 | { |
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121 | // Get Distance to HumanController and save it in the TextAreaOverlayElement. |
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122 | int dist = listIt->second; |
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123 | float textLength = 0.0f; |
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124 | |
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125 | // Transform to screen coordinates |
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126 | Vector3 pos = camTransform * it->first->getRVWorldPosition(); |
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127 | |
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128 | bool outOfView = true; |
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129 | if (pos.z > 1.0) |
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130 | { |
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131 | // z > 1.0 means that the object is behind the camera |
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132 | outOfView = true; |
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133 | // we have to switch all coordinates (if you don't know why, |
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134 | // try linear algebra lectures, because I can't explain..) |
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135 | pos.x = -pos.x; |
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136 | pos.y = -pos.y; |
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137 | } |
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138 | else |
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139 | outOfView = pos.x < -1.0 || pos.x > 1.0 || pos.y < -1.0 || pos.y > 1.0; |
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140 | |
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141 | if (outOfView) |
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142 | { |
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143 | // Object is not in view |
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144 | |
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145 | // Hide if outOfView changed |
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146 | if (!it->second.wasOutOfView_) |
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147 | { |
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148 | it->second.panel_->hide(); |
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149 | it->second.wasOutOfView_ = true; |
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150 | } |
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151 | |
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152 | } |
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153 | else |
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154 | { |
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155 | // Object is in view |
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156 | |
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157 | // Change material only if outOfView changed |
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158 | if (it->second.wasOutOfView_) |
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159 | { |
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160 | //it->second.panel_->setMaterialName("Orxonox/NavTDC"); |
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161 | it->second.panel_->setMaterialName(TextureGenerator::getMaterialName("aimassistant.png", it->first->getRadarObjectColour())); |
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162 | it->second.panel_->setDimensions(this->pointerSize_ * this->getActualSize().x, this->pointerSize_ * this->getActualSize().y); |
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163 | it->second.wasOutOfView_ = false; |
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164 | } |
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165 | |
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166 | // Position marker |
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167 | it->second.panel_->setUV(0.0f, 0.0f, 1.0f, 1.0f); |
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168 | it->second.panel_->setLeft((pos.x + 1.0f - it->second.panel_->getWidth()) * 0.5f); |
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169 | it->second.panel_->setTop((-pos.y + 1.0f - it->second.panel_->getHeight()) * 0.5f); |
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170 | } |
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171 | |
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172 | // Make sure the overlays are shown |
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173 | it->second.panel_->show(); |
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174 | } |
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175 | else // do not display on HUD |
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176 | { |
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177 | it->second.panel_->hide(); |
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178 | } |
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179 | } |
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180 | } |
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181 | |
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182 | /** Overridden method of OrxonoxOverlay. |
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183 | @details |
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184 | Usually the entire overlay scales with scale(). |
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185 | Here we obviously have to adjust this. |
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186 | */ |
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187 | void HUDAimAssistant::sizeChanged() |
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188 | { |
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189 | // Use size to compensate for aspect ratio if enabled. |
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190 | float xScale = this->getActualSize().x; |
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191 | float yScale = this->getActualSize().y; |
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192 | |
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193 | for (std::map<RadarViewable*, ObjectInfo>::iterator it = this->activeObjectList_.begin(); it != this->activeObjectList_.end(); ++it) |
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194 | { |
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195 | if (it->second.panel_ != NULL) |
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196 | it->second.panel_->setDimensions(this->pointerSize_ * xScale, this->pointerSize_ * yScale); |
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197 | } |
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198 | } |
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199 | |
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200 | void HUDAimAssistant::addObject(RadarViewable* object) |
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201 | { |
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202 | if (showObject(object) == false) |
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203 | return; |
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204 | |
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205 | if (this->activeObjectList_.size() >= this->markerLimit_) |
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206 | if (object == NULL) |
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207 | return; |
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208 | |
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209 | // Object hasn't been added yet (we know that) |
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210 | assert(this->activeObjectList_.find(object) == this->activeObjectList_.end()); |
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211 | |
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212 | // Scales used for dimensions and text size |
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213 | float xScale = this->getActualSize().x; |
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214 | float yScale = this->getActualSize().y; |
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215 | |
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216 | // Create everything needed to display the object on the radar and add it to the map |
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217 | |
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218 | // Create arrow/marker |
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219 | Ogre::PanelOverlayElement* panel = static_cast<Ogre::PanelOverlayElement*>( Ogre::OverlayManager::getSingleton() |
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220 | .createOverlayElement("Panel", "HUDAimAssistant_pointer_" + getUniqueNumberString())); |
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221 | //panel->setMaterialName("Orxonox/NavTDC"); |
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222 | panel->setMaterialName(TextureGenerator::getMaterialName("tdc.png", object->getRadarObjectColour())); |
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223 | panel->setDimensions(this->pointerSize_ * xScale, this->pointerSize_ * yScale); |
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224 | //panel->setColour(object->getRadarObjectColour()); |
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225 | |
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226 | |
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227 | ObjectInfo tempStruct = {panel, false /*, TODO: initialize wasOutOfView_ */}; |
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228 | this->activeObjectList_[object] = tempStruct; |
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229 | |
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230 | this->background_->addChild(panel); |
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231 | |
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232 | this->sortedObjectList_.push_front(std::make_pair(object, (unsigned int)0)); |
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233 | } |
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234 | |
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235 | void HUDAimAssistant::removeObject(RadarViewable* viewable) |
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236 | { |
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237 | std::map<RadarViewable*, ObjectInfo>::iterator it = this->activeObjectList_.find(viewable); |
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238 | |
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239 | if (this->activeObjectList_.find(viewable) != this->activeObjectList_.end()) |
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240 | { |
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241 | // Detach overlays |
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242 | this->background_->removeChild(it->second.panel_->getName()); |
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243 | // Properly destroy the overlay elements (do not use delete!) |
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244 | Ogre::OverlayManager::getSingleton().destroyOverlayElement(it->second.panel_); |
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245 | // Remove from the list |
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246 | this->activeObjectList_.erase(viewable); |
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247 | } |
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248 | |
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249 | for (std::list<std::pair<RadarViewable*, unsigned int> >::iterator listIt = this->sortedObjectList_.begin(); listIt != this->sortedObjectList_.end(); ++listIt) |
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250 | { |
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251 | if ((listIt->first) == viewable) |
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252 | { |
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253 | this->sortedObjectList_.erase(listIt); |
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254 | break; |
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255 | } |
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256 | } |
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257 | } |
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258 | |
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259 | void HUDAimAssistant::objectChanged(RadarViewable* viewable) |
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260 | { |
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261 | // TODO: niceification neccessary ;) |
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262 | removeObject(viewable); |
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263 | addObject(viewable); |
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264 | } |
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265 | |
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266 | bool HUDAimAssistant::showObject(RadarViewable* rv) |
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267 | { |
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268 | if (rv == orxonox_cast<RadarViewable*>(this->getOwner())) |
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269 | return false; |
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270 | assert(rv->getWorldEntity()); |
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271 | if (rv->getWorldEntity()->isVisible() == false || rv->getRadarVisibility() == false) |
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272 | return false; |
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273 | return true; |
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274 | } |
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275 | |
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276 | void HUDAimAssistant::changedOwner() |
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277 | { |
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278 | const std::set<RadarViewable*>& respawnObjects = this->getOwner()->getScene()->getRadar()->getRadarObjects(); |
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279 | for (std::set<RadarViewable*>::const_iterator it = respawnObjects.begin(); it != respawnObjects.end(); ++it) |
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280 | { |
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281 | if (!(*it)->isHumanShip_) |
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282 | this->addObject(*it); |
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283 | } |
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284 | } |
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285 | } |
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