[1588] | 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 | * |
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| 29 | */ |
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| 30 | |
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| 31 | #include "OrxonoxStableHeaders.h" |
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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 | |
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| 38 | #include "util/Convert.h" |
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| 39 | |
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| 40 | namespace orxonox |
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| 41 | { |
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| 42 | unsigned int HUDBar::materialcount_s = 0; |
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| 43 | |
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| 44 | using namespace Ogre; |
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| 45 | |
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| 46 | HUDBar::HUDBar() |
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| 47 | { |
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| 48 | RegisterObject(HUDBar); |
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| 49 | |
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| 50 | this->bar_ = 0; |
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| 51 | this->background_ = 0; |
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| 52 | this->textureUnitState_ = 0; |
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| 53 | |
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| 54 | barWidth_s = 0.88f; |
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| 55 | barHeight_s = 0.3f; |
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| 56 | barOffsetLeft_s = 0.06f; |
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| 57 | barOffsetTop_s = 0.0f; |
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| 58 | |
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| 59 | this->value_ = -1; |
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| 60 | this->autoColour_ = true; |
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| 61 | this->right2Left_ = false; // default is left to right progress |
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| 62 | } |
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| 63 | |
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| 64 | HUDBar::~HUDBar() |
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| 65 | { |
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| 66 | if (this->isInitialized()) |
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| 67 | { |
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| 68 | if (this->bar_) |
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| 69 | OverlayManager::getSingleton().destroyOverlayElement(this->bar_); |
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| 70 | } |
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| 71 | } |
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| 72 | |
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| 73 | void HUDBar::XMLPort(Element& xmlElement, XMLPort::Mode mode) |
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| 74 | { |
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| 75 | HUDOverlay::XMLPort(xmlElement, mode); |
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| 76 | |
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| 77 | // create background |
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| 78 | this->background_ = static_cast<PanelOverlayElement*>( |
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| 79 | OverlayManager::getSingleton().createOverlayElement("Panel", getName() + "_Background")); |
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| 80 | this->background_->setMaterialName("Orxonox/BarBackground"); |
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| 81 | this->background_->setMetricsMode(GMM_RELATIVE); |
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| 82 | this->background_->setDimensions(1.0f, 0.3f); |
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| 83 | this->background_->setPosition(0.0f, 0.0f); |
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| 84 | this->overlay_->add2D(this->background_); |
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| 85 | |
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| 86 | // create new material |
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| 87 | std::string materialname = "barmaterial" + getConvertedValue<unsigned int, std::string>(materialcount_s++); |
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| 88 | Ogre::MaterialPtr material = (Ogre::MaterialPtr)Ogre::MaterialManager::getSingleton().create(materialname, "General"); |
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| 89 | material->getTechnique(0)->getPass(0)->setSceneBlending(Ogre::SBT_TRANSPARENT_ALPHA); |
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| 90 | this->textureUnitState_ = material->getTechnique(0)->getPass(0)->createTextureUnitState(); |
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| 91 | this->textureUnitState_->setTextureName("bar2.tga"); |
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| 92 | // use the default colour |
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| 93 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, ColourValue(0.2, 0.7, 0.2)); |
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| 94 | |
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| 95 | // create bar |
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| 96 | this->bar_ = static_cast<PanelOverlayElement*>(OverlayManager::getSingleton().createOverlayElement("Panel", getName() + "Bar")); |
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| 97 | this->bar_->setMaterialName(materialname); |
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| 98 | this->bar_->setMetricsMode(GMM_RELATIVE); |
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| 99 | this->background_->addChild(bar_); |
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| 100 | |
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| 101 | XMLPortParamLoadOnly(HUDBar, "value", setValue, xmlElement, mode); |
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| 102 | |
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| 103 | this->addColour(0.7, ColourValue(0.2, 0.7, 0.2)); |
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| 104 | this->addColour(0.4, ColourValue(0.7, 0.5, 0.2)); |
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| 105 | this->addColour(0.1, ColourValue(0.7, 0.2, 0.2)); |
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| 106 | } |
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| 107 | |
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| 108 | void HUDBar::setValue(float value) |
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| 109 | { |
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| 110 | if (value == this->value_) |
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| 111 | return; |
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| 112 | |
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| 113 | this->value_ = clamp<float>(value, 0, 1); |
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| 114 | if (this->autoColour_ && this->textureUnitState_) |
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| 115 | { |
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| 116 | // set colour |
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| 117 | if (this->colours_.size() > 0) |
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| 118 | { |
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| 119 | ColourValue colour1, colour2 = (*this->colours_.rbegin()).second; |
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| 120 | float value1, value2 = (*this->colours_.rbegin()).first; |
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| 121 | for (std::map<float, ColourValue>::reverse_iterator it = this->colours_.rbegin(); it != this->colours_.rend(); ++it) |
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| 122 | { |
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| 123 | colour1 = colour2; |
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| 124 | value1 = value2; |
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| 125 | colour2 = (*it).second; |
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| 126 | value2 = (*it).first; |
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| 127 | |
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| 128 | if (value2 < this->value_) |
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| 129 | break; |
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| 130 | } |
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| 131 | |
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| 132 | if (value2 > this->value_) |
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| 133 | { |
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| 134 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, colour2); |
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| 135 | } |
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| 136 | else if (value1 < this->value_) |
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| 137 | { |
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| 138 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, colour1); |
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| 139 | } |
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| 140 | else |
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| 141 | { |
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| 142 | //float interpolationfactor = (this->value_ - value2) / (value1 - value2); |
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| 143 | float interpolationfactor = interpolateSmooth((this->value_ - value2) / (value1 - value2), 0.0f, 1.0f); |
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| 144 | this->textureUnitState_->setColourOperationEx(Ogre::LBX_MODULATE, Ogre::LBS_MANUAL, Ogre::LBS_CURRENT, colour1 * interpolationfactor + colour2 * (1 - interpolationfactor)); |
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| 145 | } |
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| 146 | } |
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| 147 | } |
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| 148 | |
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| 149 | // set value |
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| 150 | if (this->right2Left_) |
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| 151 | { |
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| 152 | // backward casew |
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| 153 | this->bar_->setPosition(barOffsetLeft_s + barWidth_s * (1 - this->value_), barOffsetTop_s); |
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| 154 | this->bar_->setDimensions(barWidth_s * this->value_, barHeight_s); |
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| 155 | } |
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| 156 | else |
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| 157 | { |
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| 158 | // default case |
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| 159 | this->bar_->setPosition(barOffsetLeft_s, barOffsetTop_s); |
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| 160 | this->bar_->setDimensions(barWidth_s * this->value_, barHeight_s); |
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| 161 | } |
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| 162 | if (this->value_ != 0) |
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| 163 | this->bar_->setTiling(this->value_, 1.0); |
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| 164 | } |
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| 165 | |
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| 166 | void HUDBar::addColour(float value, const ColourValue& colour) |
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| 167 | { |
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| 168 | value = clamp<float>(value, 0, 1); |
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| 169 | this->colours_[value] = colour; |
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| 170 | } |
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| 171 | |
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| 172 | void HUDBar::clearColours() |
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| 173 | { |
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| 174 | this->colours_.clear(); |
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| 175 | } |
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| 176 | } |
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