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/* Copyright (c) 2007 W.P. van Paassen
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "SDLMixerMusicInterface.h"
#include "SDLMixerSoundInstance.h"
#include "SDLMixerSoundManager.h"
using namespace Sexy;
SDLMixerSoundInstance::SDLMixerSoundInstance(SDLMixerSoundManager* theSoundManager, int channel, Mix_Chunk* theSourceSound)
{
mSDLMixerSoundManagerP = theSoundManager;
mSample = theSourceSound;
mChannel = channel;
mReleased = false;
mAutoRelease = false;
mHasPlayed = false;
mBaseVolume = 1.0;
mBasePan = 0.0;
mVolume = 1.0;
mPan = 0.0;
mPitch = 1.0;
mHasPlayed = false;
RehupVolume();
}
SDLMixerSoundInstance::~SDLMixerSoundInstance()
{
Release();
mSample = NULL;
mChannel = -1;
}
void SDLMixerSoundInstance::RehupVolume()
{
if (mSample)
Mix_VolumeChunk(mSample, (int)(mBaseVolume * mVolume * mSDLMixerSoundManagerP->mMasterVolume * (float)MIX_MAX_VOLUME));
}
void SDLMixerSoundInstance::RehupPan()
{
if (mSample) {
float aPan = /*mBasePan/100.0f * */mPan/100.0f;
if (aPan > 1.0f)
aPan = 1.0f;
else if (aPan < -1.0f)
aPan =-1.0f;
int mLeft, mRight;
if (aPan < 0.0f) {
mRight = 128 - (int)(128.0f * aPan);
mLeft = 255 - mRight;
}
else {
mLeft = 128 - (int)(128.0f * aPan);
mRight = 255 - mLeft;
}
Mix_SetPanning(mChannel, mLeft, mRight);
}
}
void SDLMixerSoundInstance::RehupPitch()
{
}
void SDLMixerSoundInstance::Release()
{
Stop();
mSample = NULL;
mReleased = true;
}
void SDLMixerSoundInstance::SetVolume(double theVolume) // 0.0 to 1.0
{
mVolume = (float)theVolume;
RehupVolume();
}
void SDLMixerSoundInstance::SetPan(int thePosition) //-100 to +100 = left to right
{
mPan = float(thePosition/100);
RehupPan();
}
void SDLMixerSoundInstance::AdjustPitch(double theNumSteps) //+0.5 to +2.0 = lower to higher
{
mPitch = (float)theNumSteps;
RehupPitch();
}
void SDLMixerSoundInstance::SetBaseVolume(double theBaseVolume)
{
mBaseVolume = (float)theBaseVolume;
RehupVolume();
}
void SDLMixerSoundInstance::SetBasePan(int theBasePan)
{
mBasePan = float(theBasePan/100);
RehupPan();
}
void SDLMixerSoundInstance::AdjustBasePitch(float thePitch)
{
mBasePitch = thePitch;
RehupPitch();
}
bool SDLMixerSoundInstance::Play(bool looping, bool autoRelease)
{
Stop();
mAutoRelease = autoRelease;
if (!mSample)
return false;
Mix_PlayChannel(mChannel, mSample, looping ? -1 : 0);
mHasPlayed = true;
return true;
}
void SDLMixerSoundInstance::Stop()
{
if (mSample)
{
Mix_HaltChannel(mChannel);
mAutoRelease = false;
}
}
bool SDLMixerSoundInstance::IsPlaying()
{
return Mix_Playing(mChannel);
}
bool SDLMixerSoundInstance::IsReleased()
{
if ((!mReleased) && (mAutoRelease) && (mHasPlayed) && (!IsPlaying()))
Release();
return mReleased;
}
double SDLMixerSoundInstance::GetVolume()
{
return mVolume;
}
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