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source: code/trunk/src/orxonox/graphics/ParticleEmitter.cc @ 7340

Last change on this file since 7340 was 7174, checked in by rgrieder, 14 years ago

Only catch exceptions you actually expect. And rethrow unknown exceptions ("…" can also catch internal Microsoft exceptions like floating point exception).

  • Property svn:eol-style set to native
File size: 4.0 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/**
30* @file
31* @brief class to control praticle effects
32*/
33
34#include "ParticleEmitter.h"
35
36#include "util/Exception.h"
37#include "core/CoreIncludes.h"
38#include "core/GameMode.h"
39#include "core/XMLPort.h"
40#include "tools/ParticleInterface.h"
41#include "Scene.h"
42
43namespace orxonox
44{
45    CreateFactory(ParticleEmitter);
46
47    ParticleEmitter::ParticleEmitter(BaseObject* creator) : StaticEntity(creator)
48    {
49        RegisterObject(ParticleEmitter);
50
51        if (GameMode::showsGraphics() && (!this->getScene() || !this->getScene()->getSceneManager()))
52            ThrowException(AbortLoading, "Can't create ParticleEmitter, no scene or no scene manager given.");
53
54        this->particles_ = 0;
55        this->LOD_ = LODParticle::Normal;
56
57        this->registerVariables();
58    }
59
60    ParticleEmitter::~ParticleEmitter()
61    {
62        if (this->isInitialized() && this->particles_)
63        {
64            this->detachOgreObject(this->particles_->getParticleSystem());
65            this->particles_->destroy();
66        }
67    }
68
69    void ParticleEmitter::XMLPort(Element& xmlelement, XMLPort::Mode mode)
70    {
71        SUPER(ParticleEmitter, XMLPort, xmlelement, mode);
72
73        XMLPortParam(ParticleEmitter, "lod",    setLODxml, getLODxml, xmlelement, mode).defaultValues(LODParticle::Normal);
74        XMLPortParam(ParticleEmitter, "source", setSource, getSource, xmlelement, mode);
75    }
76
77    void ParticleEmitter::registerVariables()
78    {
79        registerVariable(this->source_, VariableDirection::ToClient, new NetworkCallback<ParticleEmitter>(this, &ParticleEmitter::sourceChanged));
80        registerVariable((int&)(this->LOD_),    VariableDirection::ToClient, new NetworkCallback<ParticleEmitter>(this, &ParticleEmitter::LODchanged));
81    }
82
83    void ParticleEmitter::changedVisibility()
84    {
85        SUPER(ParticleEmitter, changedVisibility);
86
87        if (this->particles_)
88            this->particles_->setVisible(this->isVisible());
89    }
90
91    void ParticleEmitter::changedActivity()
92    {
93        SUPER(ParticleEmitter, changedActivity);
94
95        if (this->particles_)
96            this->particles_->setEnabled(this->isActive());
97    }
98
99    void ParticleEmitter::sourceChanged()
100    {
101        if (this->particles_)
102        {
103            this->particles_->destroy();
104            this->particles_ = 0;
105        }
106
107        if (GameMode::showsGraphics() && this->getScene() && this->getScene()->getSceneManager())
108        {
109            try
110            {
111                this->particles_ = new ParticleInterface(this->getScene()->getSceneManager(), this->source_, this->LOD_);
112                this->attachOgreObject(this->particles_->getParticleSystem());
113                this->particles_->setVisible(this->isVisible());
114                this->particles_->setEnabled(this->isActive());
115            }
116            catch (const std::exception& ex)
117            {
118                COUT(1) << "Error: Couln't load particle effect \"" << this->source_ << "\" because:" << std::endl
119                        << ex.what() << std::endl;
120            }
121        }
122    }
123
124    void ParticleEmitter::LODchanged()
125    {
126        if (this->particles_)
127            this->particles_->setDetailLevel(this->LOD_);
128    }
129}
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