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source: code/trunk/src/orxonox/sound/WorldSound.cc @ 11755

Last change on this file since 11755 was 11071, checked in by landauf, 9 years ago

merged branch cpp11_v3 back to trunk

  • Property svn:eol-style set to native
File size: 4.5 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 *      Erwin 'vaiursch' Herrsche
24 *      Reto Grieder
25 *   Co-authors:
26 *      ...
27 *
28 */
29
30#include "WorldSound.h"
31
32#include <alut.h>
33
34#include "util/Math.h"
35#include "core/CoreIncludes.h"
36#include "core/EventIncludes.h"
37#include "core/XMLPort.h"
38#include "Scene.h"
39#include "SoundManager.h"
40
41namespace orxonox
42{
43    RegisterClass(WorldSound);
44
45    WorldSound::WorldSound(Context* context)
46        : StaticEntity(context)
47    {
48        RegisterObject(WorldSound);
49        // WorldSound buffers should be pooled when they're not used anymore
50        this->bPooling_ = true;
51        this->registerVariables();
52    }
53
54    void WorldSound::registerVariables()
55    {
56        registerVariable(volume_,   ObjectDirection::ToClient, new NetworkCallback<WorldSound>(this, &WorldSound::volumeChanged));
57        registerVariable(source_,   ObjectDirection::ToClient, new NetworkCallback<WorldSound>(this, &WorldSound::sourceChanged));
58        registerVariable(bLooping_, ObjectDirection::ToClient, new NetworkCallback<WorldSound>(this, &WorldSound::loopingChanged));
59        registerVariable(pitch_,    ObjectDirection::ToClient, new NetworkCallback<WorldSound>(this, &WorldSound::pitchChanged));
60        registerVariable(BaseSound::state_, ObjectDirection::ToClient, new NetworkCallback<WorldSound>(this, &WorldSound::stateChanged));
61    }
62
63    void WorldSound::XMLPort(Element& xmlelement, XMLPort::Mode mode)
64    {
65        SUPER(WorldSound, XMLPort, xmlelement, mode);
66        BaseSound::XMLPortExtern(xmlelement, mode);
67    }
68
69    void WorldSound::XMLEventPort(Element& xmlelement, XMLPort::Mode mode)
70    {
71        SUPER(WorldSound, XMLEventPort, xmlelement, mode);
72        XMLPortEventState(WorldSound, BaseObject, "play", play, xmlelement, mode);
73    }
74
75    void WorldSound::initialiseSource()
76    {
77        BaseSound::initialiseSource();
78        if (this->getScene())
79        {
80            float refDist = this->getScene()->getSoundReferenceDistance();
81            alSourcef(this->audioSource_, AL_REFERENCE_DISTANCE, refDist);
82            // TODO: 500 is very magical here. Derive something better
83            alSourcef(this->audioSource_, AL_MAX_DISTANCE, refDist * 20);
84        }
85        this->tick(0); // update position, orientation and velocity
86    }
87
88    void WorldSound::tick(float dt)
89    {
90        if (alIsSource(this->audioSource_))
91        {
92            const Vector3& pos = this->getWorldPosition();
93            alSource3f(this->audioSource_, AL_POSITION, pos.x, pos.y, pos.z);
94            ALenum error = alGetError();
95            if (error == AL_INVALID_VALUE)
96                orxout(internal_error, context::sound) << "OpenAL: Invalid sound position" << endl;
97
98            const Vector3& vel = this->getVelocity();
99            alSource3f(this->audioSource_, AL_VELOCITY, vel.x, vel.y, vel.z);
100            error = alGetError();
101            if (error == AL_INVALID_VALUE)
102                orxout(internal_error, context::sound) << "OpenAL: Invalid sound velocity" << endl;
103
104            const Vector3& direction = -this->getWorldOrientation().zAxis();
105            alSource3f(this->audioSource_, AL_DIRECTION, direction.x, direction.y, direction.z);
106            error = alGetError();
107            if (error == AL_INVALID_VALUE)
108                orxout(internal_error, context::sound) << "OpenAL: Invalid sound direction" << endl;
109        }
110    }
111
112    void WorldSound::changedActivity()
113    {
114        SUPER(WorldSound, changedActivity);
115        if (this->isActive())
116            this->play();
117        else
118            this->stop();
119    }
120
121    float WorldSound::getRealVolume()
122    {
123        assert(GameMode::playsSound());
124        return SoundManager::getInstance().getRealVolume(SoundType::Effects);
125    }
126}
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