[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 | * Reto Grieder |
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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 | #include "OrxonoxStableHeaders.h" |
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| 30 | #include "HUDOverlay.h" |
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| 31 | |
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| 32 | #include <OgreOverlayManager.h> |
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| 33 | #include "util/Convert.h" |
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| 34 | #include "core/CoreIncludes.h" |
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[1590] | 35 | #include "GraphicsEngine.h" |
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[1588] | 36 | |
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| 37 | namespace orxonox |
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| 38 | { |
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| 39 | unsigned int HUDOverlay::hudOverlayCounter_s = 0; |
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| 40 | |
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| 41 | HUDOverlay::HUDOverlay() |
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| 42 | : overlay_(0) |
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[1595] | 43 | , windowAspectRatio_(1.0f) |
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| 44 | , bCorrectAspect_(false) |
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[1598] | 45 | , size_(1.0f, 1.0f) |
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| 46 | , sizeCorrection_(1.0f, 1.0f) |
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| 47 | , angle_(0.0f) |
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| 48 | , position_(0.0f, 0.0f) |
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| 49 | , origin_(0.5f, 0.5f) |
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[1588] | 50 | { |
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| 51 | RegisterObject(HUDOverlay); |
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| 52 | } |
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| 53 | |
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| 54 | void HUDOverlay::XMLPort(Element& xmlElement, XMLPort::Mode mode) |
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| 55 | { |
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| 56 | BaseObject::XMLPort(xmlElement, mode); |
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| 57 | |
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[1590] | 58 | if (mode == XMLPort::LoadObject) |
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| 59 | { |
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| 60 | overlay_ = Ogre::OverlayManager::getSingleton().create("HUDOverlay" |
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| 61 | + convertToString(hudOverlayCounter_s++) + "_" + this->getName()); |
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[1588] | 62 | |
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[1595] | 63 | this->windowResized(GraphicsEngine::getSingleton().getWindowWidth(), |
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| 64 | GraphicsEngine::getSingleton().getWindowHeight()); |
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[1590] | 65 | } |
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| 66 | |
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[1598] | 67 | XMLPortParam(HUDOverlay, "correctAspect", setAspectCorrection, getAspectCorrection, xmlElement, mode); |
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[1595] | 68 | XMLPortParam(HUDOverlay, "size", setSize, getSize, xmlElement, mode); |
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[1588] | 69 | XMLPortParam(HUDOverlay, "rotation", setRotation, getRotation, xmlElement, mode); |
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[1598] | 70 | XMLPortParam(HUDOverlay, "origin", setOrigin, getOrigin, xmlElement, mode); |
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| 71 | XMLPortParam(HUDOverlay, "position", setPosition, getPosition, xmlElement, mode); |
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[1588] | 72 | |
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[1590] | 73 | if (mode == XMLPort::LoadObject) |
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| 74 | { |
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| 75 | this->overlay_->show(); |
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| 76 | if (!this->isVisible()) |
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| 77 | this->overlay_->hide(); |
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[1595] | 78 | |
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| 79 | this->sizeChanged(); |
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[1590] | 80 | } |
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[1588] | 81 | } |
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| 82 | |
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| 83 | HUDOverlay::~HUDOverlay() |
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| 84 | { |
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| 85 | } |
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| 86 | |
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| 87 | void HUDOverlay::changedVisibility() |
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| 88 | { |
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[1595] | 89 | if (this->overlay_) |
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| 90 | { |
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| 91 | if (this->isVisible()) |
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| 92 | this->overlay_->show(); |
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| 93 | else |
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| 94 | this->overlay_->hide(); |
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| 95 | } |
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[1588] | 96 | } |
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| 97 | |
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[1590] | 98 | void HUDOverlay::windowResized(int newWidth, int newHeight) |
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| 99 | { |
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[1595] | 100 | this->windowAspectRatio_ = newWidth/(float)newHeight; |
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| 101 | |
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| 102 | this->setAspectCorrection(this->bCorrectAspect_); |
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[1590] | 103 | } |
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| 104 | |
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[1595] | 105 | void HUDOverlay::setAspectCorrection(bool val) |
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| 106 | { |
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| 107 | if (val) |
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| 108 | { |
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| 109 | // note: this is only an approximation that is mostly valid when the |
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| 110 | // magnitude of the width is about the magnitude of the height. |
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| 111 | // Correctly we would have to take the square root of width*height |
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| 112 | this->sizeCorrection_.x = 2.0 / (this->windowAspectRatio_ + 1.0); |
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| 113 | this->sizeCorrection_.y = this->windowAspectRatio_ * this->sizeCorrection_.x; |
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| 114 | } |
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| 115 | else |
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| 116 | { |
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| 117 | this->sizeCorrection_ = Vector2::UNIT_SCALE; |
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| 118 | } |
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| 119 | |
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| 120 | this->bCorrectAspect_ = val; |
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| 121 | this->sizeChanged(); |
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| 122 | } |
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| 123 | |
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| 124 | /** |
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| 125 | @remarks |
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| 126 | This function can be overriden by any derivative. |
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| 127 | */ |
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| 128 | void HUDOverlay::sizeChanged() |
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| 129 | { |
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[1598] | 130 | this->overlay_->setScale(size_.x * sizeCorrection_.x, size_.y * sizeCorrection_.y); |
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[1595] | 131 | } |
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| 132 | |
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[1598] | 133 | /** |
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| 134 | @remarks |
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| 135 | This function can be overriden by any derivative. |
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| 136 | */ |
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| 137 | void HUDOverlay::angleChanged() |
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| 138 | { |
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| 139 | this->overlay_->setRotate(this->angle_); |
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| 140 | } |
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| 141 | |
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| 142 | /** |
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| 143 | @remarks |
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| 144 | This function can be overriden by any derivative. |
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| 145 | */ |
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| 146 | void HUDOverlay::positionChanged() |
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| 147 | { |
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| 148 | Vector2 scroll = (position_ - 0.5 - size_ * (origin_ - 0.5)) * 2.0; |
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| 149 | this->overlay_->setScroll(scroll.x, -scroll.y); |
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| 150 | } |
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[1588] | 151 | } |
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