sfxNullDevice.cpp

Engine/source/sfx/null/sfxNullDevice.cpp

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Detailed Description

 1
 2//-----------------------------------------------------------------------------
 3// Copyright (c) 2012 GarageGames, LLC
 4//
 5// Permission is hereby granted, free of charge, to any person obtaining a copy
 6// of this software and associated documentation files (the "Software"), to
 7// deal in the Software without restriction, including without limitation the
 8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 9// sell copies of the Software, and to permit persons to whom the Software is
10// furnished to do so, subject to the following conditions:
11//
12// The above copyright notice and this permission notice shall be included in
13// all copies or substantial portions of the Software.
14//
15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21// IN THE SOFTWARE.
22//-----------------------------------------------------------------------------
23
24#include "sfx/null/sfxNullDevice.h"
25#include "sfx/null/sfxNullBuffer.h"
26#include "sfx/sfxInternal.h"
27
28
29SFXNullDevice::SFXNullDevice( SFXProvider* provider, 
30                              String name, 
31                              bool useHardware, 
32                              S32 maxBuffers )
33
34   :  SFXDevice( name, provider, useHardware, maxBuffers )
35{
36   mMaxBuffers = getMax( maxBuffers, 8 );
37}
38
39SFXNullDevice::~SFXNullDevice()
40{
41}
42
43SFXBuffer* SFXNullDevice::createBuffer( const ThreadSafeRef< SFXStream>& stream, SFXDescription* description )
44{
45   SFXNullBuffer* buffer = new SFXNullBuffer( stream, description );
46   _addBuffer( buffer );
47
48   return buffer;
49}
50
51SFXVoice* SFXNullDevice::createVoice( bool is3D, SFXBuffer *buffer )
52{
53   // Don't bother going any further if we've 
54   // exceeded the maximum voices.
55   if ( mVoices.size() >= mMaxBuffers )
56      return NULL;
57
58   AssertFatal( buffer, "SFXNullDevice::createVoice() - Got null buffer!" );
59
60   SFXNullBuffer* nullBuffer = dynamic_cast<SFXNullBuffer*>( buffer );
61   AssertFatal( nullBuffer, "SFXNullDevice::createVoice() - Got bad buffer!" );
62
63   SFXNullVoice* voice = new SFXNullVoice( nullBuffer );
64
65   _addVoice( voice );
66   return voice;
67}
68
69void SFXNullDevice::update()
70{
71   // Do nothing.  Prevent SFXDevice from running
72   // its thing.
73}
74