Planet
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source: code/trunk/src/orxonox/objects/worldentities/Planet.cc @ 3131

Last change on this file since 3131 was 3110, checked in by rgrieder, 16 years ago

Removed old msvc specific support for precompiled header files.

  • Property svn:eol-style set to native
File size: 5.8 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 *      Marian Runo
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "Planet.h"
30
31#include <math.h>
32
33#include <OgreEntity.h>
34#include <OgreBillboardSet.h>
35#include <OgreHardwareVertexBuffer.h>
36#include <OgreMeshManager.h>
37
38#include "core/CoreIncludes.h"
39#include "core/XMLPort.h"
40#include "objects/Scene.h"
41#include "CameraManager.h"
42#include "Camera.h"
43#include "GraphicsManager.h"
44
45namespace orxonox
46{
47    CreateFactory(Planet);   
48
49    /**
50     * @brief Constructor
51     */
52    Planet::Planet(BaseObject* creator): MovableEntity(creator)
53    {
54        RegisterObject(Planet);
55        this->registerVariables();
56    }
57
58    /**
59     * @brief Destructor
60     */
61    Planet::~Planet()
62    {
63        if (this->isInitialized() && this->mesh_.getEntity())
64            this->detachOgreObject(this->mesh_.getEntity());
65    }   
66
67    void Planet::tick(float dt)
68    {
69        if(!this->isVisible())
70            return;
71
72        Camera* activeCamera = CameraManager::getInstance().getActiveCamera();
73        if(activeCamera)
74        {
75            float distance = this->getPosition().distance( activeCamera->getWorldPosition() );
76            //             COUT(2) << distance << std::endl;
77            float planetRadius = this->getScale();
78
79            float newScale = 2 * distance / sqrt(distance*distance - planetRadius*planetRadius);
80            float tempTest = newScale*(1+float(this->atmosphereSize)/float(this->imageSize));
81            newScale = tempTest;
82
83            this->billboard_.getBillboardSet()->setDefaultDimensions(newScale, newScale);
84        }
85
86        SUPER(Planet, tick, dt);
87    }
88
89    void Planet::init()
90    {
91        float scaleFactor = this->getScale();
92
93        this->distList.push_back(10.0*scaleFactor);
94        this->distList.push_back(19.0*scaleFactor);
95        this->distList.push_back(27.0*scaleFactor);
96        this->distList.push_back(34.0*scaleFactor);
97        this->distList.push_back(40.0*scaleFactor);
98        this->distList.push_back(45.0*scaleFactor);
99        this->distList.push_back(49.0*scaleFactor);
100        this->distList.push_back(52.0*scaleFactor);
101        this->distList.push_back(54.0*scaleFactor);
102        this->distList.push_back(55.0*scaleFactor);
103
104        float reductionValue = 0.2;
105
106        this->mesh_.getEntity()->getMesh()->generateLodLevels(distList, Ogre::ProgressiveMesh::VRQ_PROPORTIONAL, reductionValue);
107        billboard_.setBillboardSet(this->getScene()->getSceneManager(), this->atmosphere_, Vector3(0,0,0));
108
109        this->attachOgreObject(this->billboard_.getBillboardSet());   
110        this->billboard_.getBillboardSet()->setUseAccurateFacing(true);
111        this->setCastShadows(true);
112        this->billboard_.getBillboardSet()->setRenderQueueGroup(this->mesh_.getEntity()->getRenderQueueGroup());
113        this->mesh_.setCastShadows(true);
114    }
115
116    void Planet::changedMesh()
117    {
118        if (this->mesh_.getEntity())
119            this->detachOgreObject(this->mesh_.getEntity());
120
121        this->mesh_.setMeshSource(this->getScene()->getSceneManager(), this->meshSrc_);
122
123        if (this->mesh_.getEntity())
124        {
125            this->attachOgreObject(this->mesh_.getEntity());
126            this->mesh_.getEntity()->setCastShadows(this->bCastShadows_);
127            this->mesh_.setVisible(this->isVisible());
128        }
129        this->init();
130    }
131
132    void Planet::changedShadows()
133    {
134        this->mesh_.setCastShadows(this->bCastShadows_);
135    }
136
137    /**
138        @brief XML loading and saving.
139        @param xmlelement The XML-element
140        @param loading Loading (true) or saving (false)
141        @return The XML-element
142    */
143    void Planet::XMLPort(Element& xmlelement, XMLPort::Mode mode)
144    {
145        SUPER(Planet, XMLPort, xmlelement, mode);
146
147        XMLPortParam(Planet, "atmosphere", setAtmosphere, getAtmosphere, xmlelement, mode).defaultValues("planet/Atmosphere");
148        XMLPortParam(Planet, "atmospheresize", setAtmosphereSize, getAtmosphereSize, xmlelement,mode);     
149        XMLPortParam(Planet, "imagesize", setImageSize, getImageSize, xmlelement,mode);         
150        XMLPortParam(Planet, "mesh", setMeshSource, getMeshSource, xmlelement, mode);
151        XMLPortParam(Planet, "shadow", setCastShadows, getCastShadows, xmlelement, mode).defaultValues(true);
152    }
153
154    void Planet::registerVariables()
155    {
156        registerVariable(this->atmosphere_, variableDirection::toclient);
157        registerVariable(this->meshSrc_, variableDirection::toclient, new NetworkCallback<Planet>(this, &Planet::changedMesh));
158        registerVariable(this->bCastShadows_, variableDirection::toclient, new NetworkCallback<Planet>(this, &Planet::changedShadows));
159        registerVariable(this->atmosphereSize, variableDirection::toclient);
160        registerVariable(this->imageSize, variableDirection::toclient);
161    }
162
163    void Planet::changedVisibility()
164    {
165        SUPER(Planet, changedVisibility);
166        if (this->isInitialized())
167        {
168            this->mesh_.setVisible(this->isVisible());
169            this->billboard_.setVisible(this->isVisible());
170        }
171    }
172}
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