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[Python-ogre-commit] SF.net SVN: python-ogre: [538] trunk/python-ogre/ThirdParty/ogreal
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From: <and...@us...> - 2008-01-11 00:09:04
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Revision: 538
http://python-ogre.svn.sourceforge.net/python-ogre/?rev=538&view=rev
Author: andy_miller
Date: 2008-01-10 16:08:48 -0800 (Thu, 10 Jan 2008)
Log Message:
-----------
Updates to the OgreAL library source
Modified Paths:
--------------
trunk/python-ogre/ThirdParty/ogreal/OgreALPrereqs.h
trunk/python-ogre/ThirdParty/ogreal/OgreALSound.cpp
trunk/python-ogre/ThirdParty/ogreal/OgreALSound.h
trunk/python-ogre/ThirdParty/ogreal/OgreALSoundManager.cpp
trunk/python-ogre/ThirdParty/ogreal/OgreALSoundManager.h
Modified: trunk/python-ogre/ThirdParty/ogreal/OgreALPrereqs.h
===================================================================
--- trunk/python-ogre/ThirdParty/ogreal/OgreALPrereqs.h 2008-01-11 00:08:11 UTC (rev 537)
+++ trunk/python-ogre/ThirdParty/ogreal/OgreALPrereqs.h 2008-01-11 00:08:48 UTC (rev 538)
@@ -42,16 +42,8 @@
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
# include "al.h"
# include "alc.h"
- # include "xram.h"
- # if OGRE_COMPILER == OGRE_COMPILER_MSVC
-// # ifdef OGREAL_EXPORT
-// # define OgreAL_Export __declspec(dllexport)
-// # else
-// # define OgreAL_Export __declspec(dllimport)
-// # endif
-// # else
-// # define OgreAL_Export
- # endif
+ # include "xram.h"
+ # define OgreAL_Export
#elif OGRE_COMPILER == OGRE_COMPILER_GNUC
# include "AL/al.h"
# include "AL/alc.h"
Modified: trunk/python-ogre/ThirdParty/ogreal/OgreALSound.cpp
===================================================================
--- trunk/python-ogre/ThirdParty/ogreal/OgreALSound.cpp 2008-01-11 00:08:11 UTC (rev 537)
+++ trunk/python-ogre/ThirdParty/ogreal/OgreALSound.cpp 2008-01-11 00:08:48 UTC (rev 538)
@@ -59,6 +59,8 @@
mGain(1.0),
mMaxGain(1.0),
mMinGain(0.0),
+ mFadeMode(FADE_NONE),
+ mFadeTime(0.0),
mMaxDistance(3400.0),
mRolloffFactor(1.0),
mReferenceDistance(150.0),
@@ -96,6 +98,8 @@
mPitch(1.0), mGain(1.0),
mMaxGain(1.0),
mMinGain(0.0),
+ mFadeMode(FADE_NONE),
+ mFadeTime(0.0),
mMaxDistance(3400.0),
mRolloffFactor(1.0),
mReferenceDistance(150.0),
@@ -133,6 +137,8 @@
mLoop(loop?AL_TRUE:AL_FALSE),
mPitch(1.0), mGain(1.0),
mMaxGain(1.0), mMinGain(0.0),
+ mFadeMode(FADE_NONE),
+ mFadeTime(0.0),
mMaxDistance(3400.0),
mRolloffFactor(1.0),
mReferenceDistance(150.0),
@@ -325,6 +331,51 @@
return (state == AL_INITIAL);
}
+ bool Sound::fadeIn(Ogre::Real fadeTime)
+ {
+ // Don't interrupt a current fade
+ if(!isPlaying() && mFadeMode == FADE_NONE)
+ {
+ // This won't work as expected when the sound is attached to a node,
+ // so disallow it.
+ if(mParentNode)
+ {
+ Ogre::LogManager::getSingleton().logMessage("Cannot fade a Sound that is attached to a node");
+ return false;
+ }
+
+ mFadeMode = FADE_IN;
+ mFadeTime = fadeTime;
+ mRunning = 0.0;
+ // Start at min gain..
+ setGain(mMinGain);
+ // ..and play
+ return play();
+ }
+ return false;
+ }
+
+ bool Sound::fadeOut(Ogre::Real fadeTime)
+ {
+ // Don't interrupt a current fade
+ if(isPlaying() && mFadeMode == FADE_NONE)
+ {
+ // This won't work as expected when the sound is attached to a node,
+ // so disallow it.
+ if(mParentNode)
+ {
+ Ogre::LogManager::getSingleton().logMessage("Cannot fade a Sound that is attached to a node");
+ return false;
+ }
+
+ mFadeMode = FADE_OUT;
+ mFadeTime = fadeTime;
+ mRunning = 0.0;
+ return true;
+ }
+ return false;
+ }
+
void Sound::setPitch(Ogre::Real pitch)
{
if(pitch <= 0) return;
@@ -577,6 +628,41 @@
mLocalTransformDirty = false;
}
+ void Sound::_updateFading()
+ {
+ if(mFadeMode != FADE_NONE)
+ {
+ mRunning += SoundManager::getSingletonPtr()->_getLastDeltaTime();
+ // Calculate volume between min and max Gain over fade time
+ Ogre::Real delta = mMaxGain - mMinGain;
+ Ogre::Real gain;
+
+ if(mFadeMode == FADE_IN)
+ {
+ gain = mMinGain + (delta * mRunning / mFadeTime);
+ // Clamp & stop if needed
+ if (gain > mMaxGain)
+ {
+ gain = mMaxGain;
+ mFadeMode = FADE_NONE;
+ }
+ }
+ else if(mFadeMode == FADE_OUT)
+ {
+ gain = mMaxGain - (delta * mRunning / mFadeTime);
+ // Clamp & stop if needed
+ if(gain < mMinGain)
+ {
+ gain = mMinGain;
+ mFadeMode = FADE_NONE;
+ }
+ }
+
+ // Set the adjusted gain
+ setGain(gain);
+ }
+ }
+
bool Sound::updateSound()
{
_update();
@@ -588,6 +674,9 @@
alSource3f(mSource, AL_DIRECTION, mDerivedDirection.x, mDerivedDirection.y, mDerivedDirection.z);
CheckError(alGetError(), "Failed to set Direction");
+
+ // Fading
+ _updateFading();
}
return true;
Modified: trunk/python-ogre/ThirdParty/ogreal/OgreALSound.h
===================================================================
--- trunk/python-ogre/ThirdParty/ogreal/OgreALSound.h 2008-01-11 00:08:11 UTC (rev 537)
+++ trunk/python-ogre/ThirdParty/ogreal/OgreALSound.h 2008-01-11 00:08:48 UTC (rev 538)
@@ -87,6 +87,10 @@
virtual bool isStopped() const;
/** Returns true if the source does not have a state yet, otherwise false */
virtual bool isInitial() const;
+ /** Starts playing the song while fading in.*/
+ bool fadeIn(Ogre::Real fadeTime);
+ /** Fades out, but keeps playing at volume 0, so it can be faded in again.*/
+ bool fadeOut(Ogre::Real fadeTime);
/**
* Sets the pitch multiplier.
@@ -376,6 +380,18 @@
private:
void _update() const;
+ void _updateFading();
+
+ enum FadeMode
+ {
+ FADE_NONE,
+ FADE_IN,
+ FADE_OUT
+ };
+
+ FadeMode mFadeMode;
+ Ogre::Real mFadeTime;
+ Ogre::Real mRunning;
};
/** Factory object for creating sounds */
Modified: trunk/python-ogre/ThirdParty/ogreal/OgreALSoundManager.cpp
===================================================================
--- trunk/python-ogre/ThirdParty/ogreal/OgreALSoundManager.cpp 2008-01-11 00:08:11 UTC (rev 537)
+++ trunk/python-ogre/ThirdParty/ogreal/OgreALSoundManager.cpp 2008-01-11 00:08:48 UTC (rev 538)
@@ -64,7 +64,8 @@
mSpeedOfSound(343.3),
mMaxNumSources(0),
mMajorVersion(0),
- mMinorVersion(0)
+ mMinorVersion(0),
+ mLastDeltaTime(0.0)
{
Ogre::LogManager::getSingleton().logMessage("*-*-* OgreAL Initialization");
@@ -385,6 +386,8 @@
bool SoundManager::frameStarted(const Ogre::FrameEvent& evt)
{
+ // Do this before any fading gets updated
+ mLastDeltaTime = evt.timeSinceLastFrame;
updateSounds();
return true;
}
Modified: trunk/python-ogre/ThirdParty/ogreal/OgreALSoundManager.h
===================================================================
--- trunk/python-ogre/ThirdParty/ogreal/OgreALSoundManager.h 2008-01-11 00:08:11 UTC (rev 537)
+++ trunk/python-ogre/ThirdParty/ogreal/OgreALSoundManager.h 2008-01-11 00:08:48 UTC (rev 538)
@@ -181,8 +181,11 @@
void _removeBufferRef(const Ogre::String& bufferName);
/** Adds a BufferRef to the BufferMap to be used later */
void _addBufferRef(const Ogre::String& bufferName, BufferRef buffer);
-
+ /** Used by the fading: returns the time since last frame. */
+ Ogre::Real _getLastDeltaTime() const {return mLastDeltaTime;}
+ /** Requests a dynamically allocated Source. */
SourceRef _requestSource(Sound *sound);
+ /** Releases a dynamically allocated Source. */
SourceRef _releaseSource(Sound *sound);
static const Ogre::String FILE_TYPE;
@@ -243,6 +246,8 @@
ALCcontext *mContext;
ALCdevice *mDevice;
+ Ogre::Real mLastDeltaTime;
+
// Mutex so we can protect against corruption
OGREAL_AUTO_MUTEX
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