Planet
navi homePPSaboutscreenshotsdownloaddevelopmentforum

source: code/archive/ggz2/src/orxonox/graphics/Camera.cc @ 9937

Last change on this file since 9937 was 5738, checked in by landauf, 15 years ago

merged libraries2 back to trunk

  • Property svn:eol-style set to native
File size: 4.9 KB
Line 
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 "Camera.h"
30
31#include <algorithm>
32#include <OgreCamera.h>
33#include <OgreSceneManager.h>
34#include <OgreSceneNode.h>
35
36#include "util/Exception.h"
37#include "util/StringUtils.h"
38#include "core/CoreIncludes.h"
39#include "core/ConfigValueIncludes.h"
40#include "Scene.h"
41#include "CameraManager.h"
42
43namespace orxonox
44{
45    CreateFactory(Camera);
46
47    Camera::Camera(BaseObject* creator) : StaticEntity(creator)
48    {
49        RegisterObject(Camera);
50
51        if (!this->getScene())
52            ThrowException(AbortLoading, "Can't create Camera, no scene.");
53        if (!this->getScene()->getSceneManager())
54            ThrowException(AbortLoading, "Can't create Camera, no scene-manager given.");
55        if (!this->getScene()->getRootSceneNode())
56            ThrowException(AbortLoading, "Can't create Camera, no root-scene-node given.");
57
58        this->camera_ = this->getScene()->getSceneManager()->createCamera(getUniqueNumberString());
59        this->cameraNode_ = this->getScene()->getRootSceneNode()->createChildSceneNode();
60        this->attachNode(this->cameraNode_);
61        this->cameraNode_->attachObject(this->camera_);
62
63        this->bHasFocus_ = false;
64        this->bDrag_ = false;
65        this->nearClipDistance_ = 1;
66
67        this->setObjectMode(0x0);
68
69        this->setConfigValues();
70        this->configvaluecallback_changedNearClipDistance();
71    }
72
73    Camera::~Camera()
74    {
75        if (this->isInitialized())
76        {
77            this->releaseFocus();
78
79            this->cameraNode_->detachAllObjects();
80            this->getScene()->getSceneManager()->destroyCamera(this->camera_);
81
82            if (this->bDrag_)
83                this->detachNode(this->cameraNode_);
84
85            if (this->getScene()->getSceneManager())
86                this->getScene()->getSceneManager()->destroySceneNode(this->cameraNode_->getName());
87        }
88    }
89
90    void Camera::setConfigValues()
91    {
92        SetConfigValue(nearClipDistance_, 1.0f).callback(this, &Camera::configvaluecallback_changedNearClipDistance);
93    }
94
95    void Camera::configvaluecallback_changedNearClipDistance()
96    {
97        this->camera_->setNearClipDistance(this->nearClipDistance_);
98    }
99
100    void Camera::tick(float dt)
101    {
102        SUPER(Camera, tick, dt);
103
104        if (this->bDrag_)
105        {
106            // this stuff here may need some adjustments
107            float coeff = std::min(1.0f, 15.0f * dt);
108
109            Vector3 offset = this->getWorldPosition() - this->cameraNode_->_getDerivedPosition();
110            this->cameraNode_->translate(coeff * offset);
111
112            this->cameraNode_->setOrientation(Quaternion::Slerp(coeff, this->cameraNode_->_getDerivedOrientation(), this->getWorldOrientation(), true));
113            //this->cameraNode_->setOrientation(this->getWorldOrientation());
114        }
115    }
116
117    void Camera::requestFocus()
118    {
119        CameraManager::getInstance().requestFocus(this);
120    }
121
122    void Camera::releaseFocus()
123    {
124        CameraManager::getInstance().releaseFocus(this);
125    }
126
127    /**
128        what to do when camera loses focus (do not request focus in this function!!)
129        this is called by the CameraManager singleton class to notify the camera
130    */
131    void Camera::removeFocus()
132    {
133        this->bHasFocus_ = false;
134    }
135
136    void Camera::setFocus()
137    {
138        this->bHasFocus_ = true;
139        CameraManager::getInstance().useCamera(this->camera_);
140    }
141
142    void Camera::setDrag(bool bDrag)
143    {
144        if (bDrag != this->bDrag_)
145        {
146            this->bDrag_ = bDrag;
147
148            if (!bDrag)
149            {
150                this->attachNode(this->cameraNode_);
151                this->cameraNode_->setPosition(Vector3::ZERO);
152                this->cameraNode_->setOrientation(Quaternion::IDENTITY);
153            }
154            else
155            {
156                this->detachNode(this->cameraNode_);
157                this->cameraNode_->setPosition(this->getWorldPosition());
158                this->cameraNode_->setOrientation(this->getWorldOrientation());
159            }
160        }
161    }
162}
Note: See TracBrowser for help on using the repository browser.