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 | * Yuning Chai |
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24 | * Co-authors: |
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25 | * Felix Schulthess |
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26 | * Fabian 'x3n' Landau |
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27 | * Reto Grieder |
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28 | * Benjamin Knecht |
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29 | * |
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30 | */ |
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31 | |
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32 | #include "HUDBar.h" |
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33 | |
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34 | #include <OgreOverlayManager.h> |
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35 | #include <OgreMaterialManager.h> |
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36 | #include <OgreTechnique.h> |
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37 | #include <OgrePass.h> |
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38 | #include <OgrePanelOverlayElement.h> |
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39 | |
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40 | #include "util/Convert.h" |
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41 | #include "util/StringUtils.h" |
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42 | #include "core/CoreIncludes.h" |
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43 | #include "core/XMLPort.h" |
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44 | |
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45 | namespace orxonox |
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46 | { |
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47 | RegisterClass(BarColour); |
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48 | |
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49 | BarColour::BarColour(Context* context) |
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50 | : BaseObject(context) |
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51 | { |
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52 | RegisterObject(BarColour); |
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53 | |
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54 | this->setColour(ColourValue(1.0, 1.0, 1.0, 1.0)); |
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55 | this->setPosition(0.0); |
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56 | } |
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57 | |
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58 | void BarColour::XMLPort(Element& xmlelement, XMLPort::Mode mode) |
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59 | { |
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60 | SUPER(BarColour, XMLPort, xmlelement, mode); |
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61 | |
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62 | XMLPortParam(BarColour, "colour", setColour, getColour, xmlelement, mode); |
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63 | XMLPortParam(BarColour, "position", setPosition, getPosition, xmlelement, mode); |
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64 | } |
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65 | |
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66 | |
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67 | unsigned int HUDBar::materialcount_s = 0; |
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68 | |
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69 | RegisterClass(HUDBar); |
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70 | |
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71 | HUDBar::HUDBar(Context* context) |
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72 | : OrxonoxOverlay(context), right2Left_(false), autoColour_(false) |
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73 | { |
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74 | RegisterObject(HUDBar); |
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75 | |
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76 | // create new material |
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77 | const std::string& materialname = "barmaterial" + multi_cast<std::string>(materialcount_s++); |
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78 | Ogre::MaterialPtr material = static_cast<Ogre::MaterialPtr>(Ogre::MaterialManager::getSingleton().create(materialname, "General")); |
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79 | material->getTechnique(0)->getPass(0)->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA); |
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80 | this->textureUnitState_ = material->getTechnique(0)->getPass(0)->createTextureUnitState(); |
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81 | this->textureUnitState_->setTextureName("bar2.png"); |
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82 | this->textureUnitState_->setNumMipmaps(0); |
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83 | // use the default colour |
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84 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, ColourValue(0.2f, 0.7f, 0.2f)); |
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85 | |
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86 | this->bar_ = static_cast<Ogre::PanelOverlayElement*>(Ogre::OverlayManager::getSingleton() |
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87 | .createOverlayElement("Panel", "HUDBar_bar_" + getUniqueNumberString())); |
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88 | this->bar_->setMaterialName(materialname); |
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89 | |
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90 | this->value_ = 1.0f; // initialize with 1.0f to trigger a change when calling setValue(0.0f) on the line below |
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91 | this->setAutoColour(true); |
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92 | this->setValue(0.0f); // <-- |
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93 | this->setRightToLeft(false); |
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94 | this->currentColour_ = ColourValue::White; |
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95 | |
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96 | this->background_->addChild(bar_); |
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97 | } |
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98 | |
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99 | HUDBar::~HUDBar() |
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100 | { |
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101 | if (this->isInitialized()) |
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102 | { |
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103 | Ogre::OverlayManager::getSingleton().destroyOverlayElement(this->bar_); |
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104 | for (std::vector<BarColour*>::const_iterator it = this->barColours_.begin(); it != this->barColours_.end(); ) |
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105 | (*it++)->destroy(); |
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106 | } |
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107 | } |
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108 | |
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109 | void HUDBar::XMLPort(Element& xmlelement, XMLPort::Mode mode) |
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110 | { |
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111 | SUPER(HUDBar, XMLPort, xmlelement, mode); |
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112 | |
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113 | XMLPortParam(HUDBar, "initialvalue", setValue, getValue, xmlelement, mode); |
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114 | XMLPortParam(HUDBar, "righttoleft", setRightToLeft, getRightToLeft, xmlelement, mode); |
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115 | XMLPortParam(HUDBar, "autocolour", setAutoColour, getAutoColour, xmlelement, mode); |
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116 | XMLPortParam(HUDBar, "bartexture", setBarTexture, getBarTexture, xmlelement, mode); |
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117 | XMLPortObject(HUDBar, BarColour, "", addColour, getColour, xmlelement, mode); |
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118 | } |
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119 | |
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120 | void HUDBar::valueChanged() |
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121 | { |
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122 | if (this->autoColour_ && this->textureUnitState_) |
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123 | { |
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124 | // set colour |
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125 | if (this->colours_.size() > 0) |
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126 | { |
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127 | ColourValue colour1(0, 0, 0, 1); |
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128 | ColourValue colour2 = this->colours_.rbegin()->second; |
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129 | float value1(0); |
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130 | float value2 = this->colours_.rbegin()->first; |
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131 | for (std::map<float, ColourValue>::reverse_iterator it = this->colours_.rbegin(); it != this->colours_.rend(); ++it) |
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132 | { |
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133 | colour1 = colour2; |
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134 | value1 = value2; |
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135 | colour2 = it->second; |
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136 | value2 = it->first; |
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137 | |
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138 | if (value2 < this->value_) |
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139 | break; |
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140 | } |
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141 | |
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142 | if (value2 > this->value_) |
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143 | { |
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144 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, colour2); |
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145 | this->currentColour_ = colour2; |
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146 | } |
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147 | else if (value1 < this->value_) |
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148 | { |
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149 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, colour1); |
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150 | this->currentColour_ = colour1; |
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151 | } |
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152 | else |
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153 | { |
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154 | //float interpolationfactor = (this->value_ - value2) / (value1 - value2); |
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155 | float interpolationfactor = interpolateSmooth((this->value_ - value2) / (value1 - value2), 0.0f, 1.0f); |
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156 | this->currentColour_ = colour1 * interpolationfactor + colour2 * (1 - interpolationfactor); |
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157 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, this->currentColour_); |
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158 | |
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159 | } |
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160 | } |
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161 | } |
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162 | |
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163 | // set value |
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164 | if (this->right2Left_) |
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165 | { |
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166 | // backward case |
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167 | this->bar_->setPosition(0.06f + 0.88f * (1 - this->value_), 0.0f); |
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168 | this->bar_->setDimensions(0.88f * this->value_, 1.0f); |
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169 | } |
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170 | else |
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171 | { |
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172 | // default case |
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173 | this->bar_->setPosition(0.06f, 0.0f); |
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174 | this->bar_->setDimensions(0.88f * this->value_, 1.0f); |
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175 | } |
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176 | if (this->value_ != 0) |
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177 | this->bar_->setTiling(this->value_, 1.0); |
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178 | } |
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179 | |
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180 | void HUDBar::addColour(BarColour* colour) |
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181 | { |
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182 | float value = clamp<float>(colour->getPosition(), 0.0, 1.0); |
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183 | this->colours_[value] = colour->getColour(); |
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184 | |
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185 | this->barColours_.push_back(colour); |
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186 | } |
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187 | |
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188 | BarColour* HUDBar::getColour(unsigned int index) |
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189 | { |
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190 | if (index < this->barColours_.size()) |
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191 | return barColours_[index]; |
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192 | else |
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193 | return 0; |
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194 | } |
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195 | |
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196 | void HUDBar::clearColours() |
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197 | { |
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198 | this->colours_.clear(); |
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199 | } |
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200 | |
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201 | void HUDBar::setBarTexture(const std::string& texture) |
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202 | { |
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203 | this->textureUnitState_->setTextureName(texture); |
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204 | } |
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205 | |
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206 | const std::string& HUDBar::getBarTexture() const |
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207 | { |
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208 | return this->textureUnitState_->getTextureName(); |
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209 | } |
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210 | } |
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