[1505] | 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 | * Fabian 'x3n' Landau |
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| 24 | * Co-authors: |
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| 25 | * Benjamin Knecht |
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| 26 | * |
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| 27 | */ |
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| 28 | |
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| 29 | #include "Camera.h" |
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| 30 | |
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[3280] | 31 | #include <algorithm> |
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[2023] | 32 | #include <OgreCamera.h> |
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[1505] | 33 | #include <OgreSceneManager.h> |
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| 34 | #include <OgreSceneNode.h> |
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| 35 | |
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[2171] | 36 | #include "util/Exception.h" |
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[3280] | 37 | #include "util/StringUtils.h" |
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[1505] | 38 | #include "core/CoreIncludes.h" |
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[2019] | 39 | #include "core/ConfigValueIncludes.h" |
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[5929] | 40 | #include "core/GameMode.h" |
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| 41 | #include "core/GUIManager.h" |
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[5735] | 42 | #include "Scene.h" |
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[2073] | 43 | #include "CameraManager.h" |
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[6417] | 44 | #include "sound/SoundManager.h" |
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[1505] | 45 | |
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| 46 | namespace orxonox |
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| 47 | { |
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[2019] | 48 | CreateFactory(Camera); |
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[1993] | 49 | |
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[2662] | 50 | Camera::Camera(BaseObject* creator) : StaticEntity(creator) |
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[2019] | 51 | { |
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| 52 | RegisterObject(Camera); |
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[1505] | 53 | |
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[5929] | 54 | if (!GameMode::showsGraphics()) |
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| 55 | ThrowException(AbortLoading, "Can't create Camera, no graphics."); |
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[2662] | 56 | if (!this->getScene()) |
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| 57 | ThrowException(AbortLoading, "Can't create Camera, no scene."); |
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| 58 | if (!this->getScene()->getSceneManager()) |
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| 59 | ThrowException(AbortLoading, "Can't create Camera, no scene-manager given."); |
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| 60 | if (!this->getScene()->getRootSceneNode()) |
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| 61 | ThrowException(AbortLoading, "Can't create Camera, no root-scene-node given."); |
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[1505] | 62 | |
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[2019] | 63 | this->camera_ = this->getScene()->getSceneManager()->createCamera(getUniqueNumberString()); |
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[6501] | 64 | static_cast<Ogre::MovableObject*>(this->camera_)->setUserAny(Ogre::Any(static_cast<OrxonoxClass*>(this))); |
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[2662] | 65 | this->cameraNode_ = this->getScene()->getRootSceneNode()->createChildSceneNode(); |
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| 66 | this->attachNode(this->cameraNode_); |
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| 67 | this->cameraNode_->attachObject(this->camera_); |
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[2019] | 68 | |
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| 69 | this->bHasFocus_ = false; |
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| 70 | this->bDrag_ = false; |
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| 71 | this->nearClipDistance_ = 1; |
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[6417] | 72 | this->lastDtLagged_ = false; |
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[2019] | 73 | |
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[5929] | 74 | this->setSyncMode(0x0); |
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[2019] | 75 | |
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| 76 | this->setConfigValues(); |
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| 77 | this->configvaluecallback_changedNearClipDistance(); |
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| 78 | } |
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| 79 | |
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| 80 | Camera::~Camera() |
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[1989] | 81 | { |
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[2019] | 82 | if (this->isInitialized()) |
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| 83 | { |
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| 84 | this->releaseFocus(); |
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[2662] | 85 | |
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| 86 | this->cameraNode_->detachAllObjects(); |
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| 87 | this->getScene()->getSceneManager()->destroyCamera(this->camera_); |
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| 88 | |
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| 89 | if (this->bDrag_) |
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| 90 | this->detachNode(this->cameraNode_); |
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| 91 | |
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| 92 | if (this->getScene()->getSceneManager()) |
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| 93 | this->getScene()->getSceneManager()->destroySceneNode(this->cameraNode_->getName()); |
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[2019] | 94 | } |
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[1989] | 95 | } |
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[1505] | 96 | |
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[2019] | 97 | void Camera::setConfigValues() |
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| 98 | { |
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| 99 | SetConfigValue(nearClipDistance_, 1.0f).callback(this, &Camera::configvaluecallback_changedNearClipDistance); |
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| 100 | } |
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[1505] | 101 | |
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[2019] | 102 | void Camera::configvaluecallback_changedNearClipDistance() |
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| 103 | { |
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| 104 | this->camera_->setNearClipDistance(this->nearClipDistance_); |
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| 105 | } |
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[1505] | 106 | |
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[2019] | 107 | void Camera::tick(float dt) |
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| 108 | { |
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[2662] | 109 | SUPER(Camera, tick, dt); |
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[1505] | 110 | |
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[7163] | 111 | if (this->bDrag_ && this->getTimeFactor() != 0) |
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[2662] | 112 | { |
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| 113 | // this stuff here may need some adjustments |
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[6417] | 114 | float poscoeff = 15.0f * dt / this->getTimeFactor(); |
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| 115 | float anglecoeff = 7.0f * dt / this->getTimeFactor(); |
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| 116 | // Only clamp if fps rate is actually falling. Occasional high dts should |
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| 117 | // not be clamped to reducing lagging effects. |
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| 118 | if (poscoeff > 1.0f) |
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| 119 | { |
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| 120 | if (this->lastDtLagged_) |
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| 121 | poscoeff = 1.0f; |
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| 122 | else |
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| 123 | this->lastDtLagged_ = true; |
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| 124 | } |
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| 125 | else |
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| 126 | this->lastDtLagged_ = false; |
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[1505] | 127 | |
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[6417] | 128 | if (anglecoeff > 1.0f) |
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| 129 | { |
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| 130 | if (this->lastDtLagged_) |
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| 131 | anglecoeff = 1.0f; |
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| 132 | else |
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| 133 | this->lastDtLagged_ = true; |
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| 134 | } |
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| 135 | else |
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| 136 | this->lastDtLagged_ = false; |
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| 137 | |
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[2757] | 138 | Vector3 offset = this->getWorldPosition() - this->cameraNode_->_getDerivedPosition(); |
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[6417] | 139 | this->cameraNode_->translate(poscoeff * offset); |
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[2662] | 140 | |
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[6417] | 141 | this->cameraNode_->setOrientation(Quaternion::Slerp(anglecoeff, this->cameraNode_->_getDerivedOrientation(), this->getWorldOrientation(), true)); |
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[2662] | 142 | } |
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[6417] | 143 | |
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| 144 | // Update sound listener transformation |
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| 145 | if (GameMode::playsSound() && this->bHasFocus_) |
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| 146 | { |
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| 147 | SoundManager::getInstance().setListenerPosition(this->getWorldPosition()); |
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| 148 | SoundManager::getInstance().setListenerOrientation(this->getWorldOrientation()); |
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| 149 | } |
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[2019] | 150 | } |
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[1505] | 151 | |
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[2019] | 152 | void Camera::requestFocus() |
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| 153 | { |
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[2073] | 154 | CameraManager::getInstance().requestFocus(this); |
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[2019] | 155 | } |
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[1989] | 156 | |
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[2019] | 157 | void Camera::releaseFocus() |
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| 158 | { |
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[2073] | 159 | CameraManager::getInstance().releaseFocus(this); |
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[2019] | 160 | } |
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| 161 | |
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| 162 | /** |
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| 163 | what to do when camera loses focus (do not request focus in this function!!) |
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[2073] | 164 | this is called by the CameraManager singleton class to notify the camera |
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[2019] | 165 | */ |
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| 166 | void Camera::removeFocus() |
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| 167 | { |
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| 168 | this->bHasFocus_ = false; |
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| 169 | } |
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| 170 | |
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[2662] | 171 | void Camera::setFocus() |
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[2019] | 172 | { |
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| 173 | this->bHasFocus_ = true; |
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[2662] | 174 | CameraManager::getInstance().useCamera(this->camera_); |
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[2019] | 175 | } |
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[2662] | 176 | |
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| 177 | void Camera::setDrag(bool bDrag) |
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| 178 | { |
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| 179 | if (bDrag != this->bDrag_) |
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| 180 | { |
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| 181 | this->bDrag_ = bDrag; |
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| 182 | |
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| 183 | if (!bDrag) |
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| 184 | { |
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| 185 | this->attachNode(this->cameraNode_); |
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| 186 | this->cameraNode_->setPosition(Vector3::ZERO); |
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| 187 | this->cameraNode_->setOrientation(Quaternion::IDENTITY); |
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| 188 | } |
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| 189 | else |
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| 190 | { |
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| 191 | this->detachNode(this->cameraNode_); |
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| 192 | this->cameraNode_->setPosition(this->getWorldPosition()); |
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| 193 | this->cameraNode_->setOrientation(this->getWorldOrientation()); |
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| 194 | } |
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| 195 | } |
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| 196 | } |
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[1505] | 197 | } |
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