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source: code/trunk/src/orxonox/graphics/Model.cc @ 7492

Last change on this file since 7492 was 7183, checked in by rgrieder, 14 years ago

Removed a load of warnings for VS 2005 and possibly VS 2008.

  • Property svn:eol-style set to native
File size: 7.0 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 *      ...
26 *
27 */
28
29#include "Model.h"
30
31#include <OgreEntity.h>
32
33#include "core/CoreIncludes.h"
34#include "core/ConfigValueIncludes.h"
35#include "core/GameMode.h"
36#include "core/XMLPort.h"
37#include "Scene.h"
38#include "graphics/MeshLodInformation.h"
39#include "Level.h"
40
41namespace orxonox
42{
43    CreateFactory(Model);
44
45    Model::Model(BaseObject* creator) :
46        StaticEntity(creator), bCastShadows_(true), lodLevel_(5), bLodEnabled_(true), numLodLevels_(10), lodReductionRate_(.15f)
47    {
48        RegisterObject(Model);
49
50        this->setConfigValues();
51        this->registerVariables();
52    }
53
54    Model::~Model()
55    {
56        if (this->isInitialized() && this->mesh_.getEntity())
57            this->detachOgreObject(this->mesh_.getEntity());
58    }
59
60    void Model::setConfigValues()
61    {
62        SetConfigValueExternal(bGlobalEnableLod_, "GraphicsSettings", "enableModelLoD", true)
63            .description("Enable level of detail for models");
64    }
65
66    void Model::XMLPort(Element& xmlelement, XMLPort::Mode mode)
67    {
68        SUPER(Model, XMLPort, xmlelement, mode);
69
70        XMLPortParam(Model, "lodLevel", setLodLevel, getLodLevel, xmlelement, mode);
71
72        XMLPortParam(Model, "mesh", setMeshSource, getMeshSource, xmlelement, mode);
73        XMLPortParam(Model, "shadow", setCastShadows, getCastShadows, xmlelement, mode).defaultValues(true);
74    }
75
76    void Model::registerVariables()
77    {
78        registerVariable(this->meshSrc_,    VariableDirection::ToClient, new NetworkCallback<Model>(this, &Model::changedMesh));
79        registerVariable(this->bCastShadows_, VariableDirection::ToClient, new NetworkCallback<Model>(this, &Model::changedShadows));
80    }
81
82    float Model::getBiggestScale(Vector3 scale3d)
83    {
84        float scaleFactor = scale3d.x;
85        if(scale3d.y>scaleFactor)
86            scaleFactor = scale3d.y;
87        if(scale3d.z>scaleFactor)
88            scaleFactor = scale3d.z;
89        return scaleFactor;
90    }
91
92    void Model::changedMesh()
93    {
94        if (GameMode::showsGraphics())
95        {
96            if (this->mesh_.getEntity())
97                this->detachOgreObject(this->mesh_.getEntity());
98
99            this->mesh_.setMeshSource(this->getScene()->getSceneManager(), this->meshSrc_);
100
101            if (this->mesh_.getEntity())
102            {
103                this->attachOgreObject(this->mesh_.getEntity());
104                this->mesh_.getEntity()->setCastShadows(this->bCastShadows_);
105                this->mesh_.setVisible(this->isVisible());
106
107                if (this->bGlobalEnableLod_)
108                    this->enableLod();
109            }
110        }
111    }
112
113    void Model::changedShadows()
114    {
115        this->mesh_.setCastShadows(this->bCastShadows_);
116    }
117
118    void Model::changedVisibility()
119    {
120        SUPER(Model, changedVisibility);
121
122        this->mesh_.setVisible(this->isVisible());
123    }
124
125    void Model::enableLod()
126    {
127        //LOD
128        if( this->mesh_.getEntity()->getMesh()->getNumLodLevels()==1 )
129        {
130            Level* level = this->getLevel();
131
132            assert( level != 0 );
133
134            MeshLodInformation* lodInfo = level->getLodInfo(this->meshSrc_);
135            if( lodInfo )
136            {
137                setLodLevel(lodInfo->getLodLevel());
138                this->bLodEnabled_ = lodInfo->getEnabled();
139                this->numLodLevels_ = lodInfo->getNumLevels();
140                this->lodReductionRate_ = lodInfo->getReductionRate();
141            }
142            if( this->numLodLevels_>10 )
143            {
144                CCOUT(2) << "More than 10 LoD levels requested. Creating only 10." << endl;
145                this->numLodLevels_ = 10;
146            }
147            if( this->bLodEnabled_ )
148            {
149                float volume = this->mesh_.getEntity()->getBoundingBox().volume();
150/*
151                float scaleFactor = 1;
152
153                BaseObject* creatorPtr = this;
154
155                while(creatorPtr!=NULL&&orxonox_cast<WorldEntity*>(creatorPtr))
156                {
157                    scaleFactor *= getBiggestScale(((WorldEntity*) creatorPtr)->getScale3D());
158                    creatorPtr = creatorPtr->getCreator();
159                }
160                COUT(0) << "name: " << this->meshSrc_ << "scaleFactor: " << scaleFactor << ", volume: " << volume << endl;
161*/
162                COUT(4) << "Setting lodLevel for " << this->meshSrc_<< " with lodLevel_: " << this->lodLevel_ <<" and volume: "<< volume << ":" << std::endl;
163
164#if OGRE_VERSION >= 0x010700
165                Ogre::Mesh::LodValueList distList;
166#else
167                Ogre::Mesh::LodDistanceList distList;
168#endif
169
170                if( lodLevel_>0 )
171                {
172//                    float factor = scaleFactor*5/lodLevel_;
173                    float factor = pow(volume, 2.0f / 3.0f) * 15.0f / lodLevel_;
174
175                    COUT(4) << "LodLevel set with factor: " << factor << endl;
176
177                    distList.push_back(70.0f*factor);
178                    distList.push_back(140.0f*factor);
179                    distList.push_back(170.0f*factor);
180                    distList.push_back(200.0f*factor);
181                    distList.push_back(230.0f*factor);
182                    distList.push_back(250.0f*factor);
183                    distList.push_back(270.0f*factor);
184                    distList.push_back(290.0f*factor);
185                    distList.push_back(310.0f*factor);
186                    distList.push_back(330.0f*factor);
187                    while(distList.size()>this->numLodLevels_)
188                        distList.pop_back();
189
190
191                    //Generiert LOD-Levels
192                    this->mesh_.getEntity()->getMesh()->generateLodLevels(distList, Ogre::ProgressiveMesh::VRQ_PROPORTIONAL, this->lodReductionRate_);
193                }
194                else
195                {
196                    std::string what;
197                    if(lodLevel_>5)
198                        what = ">5";
199                    else
200                        what = "<0";
201
202                    COUT(4)<<"LodLevel not set because lodLevel("<<lodLevel_<<") was "<<what<<"." << endl;
203                }
204            }
205            else
206                COUT(4) << "LodLevel for " << this->meshSrc_ << " not set because is disabled." << endl;
207        }
208    }
209}
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