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source: code/trunk/src/orxonox/objects/worldentities/Camera.cc @ 2921

Last change on this file since 2921 was 2911, checked in by landauf, 16 years ago

Merged r1-2096 of questsystem5 back to trunk

I hope there weren't more "hidden merge changes" in r2909 than the one in OverlayGroup (removeElement) (and related to this the adjustments in NotificationQueue).

The corresponding media commit seems not yet to be done, but it doesn't break the build.

File size: 4.9 KB
RevLine 
[1505]1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      Benjamin Knecht
26 *
27 */
28
29#include "OrxonoxStableHeaders.h"
30#include "Camera.h"
31
32#include <string>
[2019]33#include <cassert>
[1505]34
[2023]35#include <OgreCamera.h>
[1505]36#include <OgreSceneManager.h>
37#include <OgreSceneNode.h>
38
[2171]39#include "util/Exception.h"
[1505]40#include "core/CoreIncludes.h"
[2019]41#include "core/ConfigValueIncludes.h"
42#include "objects/Scene.h"
[2073]43#include "CameraManager.h"
[1505]44
45namespace orxonox
46{
[2019]47    CreateFactory(Camera);
[1993]48
[2662]49    Camera::Camera(BaseObject* creator) : StaticEntity(creator)
[2019]50    {
51        RegisterObject(Camera);
[1505]52
[2662]53        if (!this->getScene())
54            ThrowException(AbortLoading, "Can't create Camera, no scene.");
55        if (!this->getScene()->getSceneManager())
56            ThrowException(AbortLoading, "Can't create Camera, no scene-manager given.");
57        if (!this->getScene()->getRootSceneNode())
58            ThrowException(AbortLoading, "Can't create Camera, no root-scene-node given.");
[1505]59
[2019]60        this->camera_ = this->getScene()->getSceneManager()->createCamera(getUniqueNumberString());
[2662]61        this->cameraNode_ = this->getScene()->getRootSceneNode()->createChildSceneNode();
62        this->attachNode(this->cameraNode_);
63        this->cameraNode_->attachObject(this->camera_);
[2019]64
65        this->bHasFocus_ = false;
66        this->bDrag_ = false;
67        this->nearClipDistance_ = 1;
68
69        this->setObjectMode(0x0);
70
71        this->setConfigValues();
72        this->configvaluecallback_changedNearClipDistance();
73    }
74
75    Camera::~Camera()
[1989]76    {
[2019]77        if (this->isInitialized())
78        {
79            this->releaseFocus();
[2662]80
81            this->cameraNode_->detachAllObjects();
82            this->getScene()->getSceneManager()->destroyCamera(this->camera_);
83
84            if (this->bDrag_)
85                this->detachNode(this->cameraNode_);
86
87            if (this->getScene()->getSceneManager())
88                this->getScene()->getSceneManager()->destroySceneNode(this->cameraNode_->getName());
[2019]89        }
[1989]90    }
[1505]91
[2019]92    void Camera::setConfigValues()
93    {
94        SetConfigValue(nearClipDistance_, 1.0f).callback(this, &Camera::configvaluecallback_changedNearClipDistance);
95    }
[1505]96
[2019]97    void Camera::configvaluecallback_changedNearClipDistance()
98    {
99        this->camera_->setNearClipDistance(this->nearClipDistance_);
100    }
[1505]101
[2019]102    void Camera::tick(float dt)
103    {
[2662]104        SUPER(Camera, tick, dt);
[1505]105
[2662]106        if (this->bDrag_)
107        {
108            // this stuff here may need some adjustments
109            float coeff = min(1.0f, 15.0f * dt);
[1505]110
[2757]111            Vector3 offset = this->getWorldPosition() - this->cameraNode_->_getDerivedPosition();
[2662]112            this->cameraNode_->translate(coeff * offset);
113
[2757]114            this->cameraNode_->setOrientation(Quaternion::Slerp(coeff, this->cameraNode_->_getDerivedOrientation(), this->getWorldOrientation(), true));
[2662]115            //this->cameraNode_->setOrientation(this->getWorldOrientation());
116        }
[2019]117    }
[1505]118
[2019]119    void Camera::requestFocus()
120    {
[2073]121        CameraManager::getInstance().requestFocus(this);
[2019]122    }
[1989]123
[2019]124    void Camera::releaseFocus()
125    {
[2073]126        CameraManager::getInstance().releaseFocus(this);
[2019]127    }
128
129    /**
130        what to do when camera loses focus (do not request focus in this function!!)
[2073]131        this is called by the CameraManager singleton class to notify the camera
[2019]132    */
133    void Camera::removeFocus()
134    {
135        this->bHasFocus_ = false;
136    }
137
[2662]138    void Camera::setFocus()
[2019]139    {
140        this->bHasFocus_ = true;
[2662]141        CameraManager::getInstance().useCamera(this->camera_);
[2019]142    }
[2662]143
144    void Camera::setDrag(bool bDrag)
145    {
146        if (bDrag != this->bDrag_)
147        {
148            this->bDrag_ = bDrag;
149
150            if (!bDrag)
151            {
152                this->attachNode(this->cameraNode_);
153                this->cameraNode_->setPosition(Vector3::ZERO);
154                this->cameraNode_->setOrientation(Quaternion::IDENTITY);
155            }
156            else
157            {
158                this->detachNode(this->cameraNode_);
159                this->cameraNode_->setPosition(this->getWorldPosition());
160                this->cameraNode_->setOrientation(this->getWorldOrientation());
161            }
162        }
163    }
[1505]164}
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