CWE-ou-minkata/Sources/Plasma/PubUtilLib/plModifier/plSoundSDLModifier.cpp

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
#include "plSoundSDLModifier.h"
#include "plSDL/plSDL.h"
#include "pnSceneObject/plSceneObject.h"
#include "pnSceneObject/plAudioInterface.h"
#include "plAudio/plSound.h"

// static vars
char plSoundSDLModifier::kStrVolume[]="desiredVolume";
char plSoundSDLModifier::kStrTime[]="time";
char plSoundSDLModifier::kStrPlaying[]="playing";
char plSoundSDLModifier::kStrSounds[]="sounds";

//
// get current state from audio interface
// fill out state data rec
//
void plSoundSDLModifier::IPutCurrentStateIn(plStateDataRecord* dstState)
{
    /*plSceneObject* sobj=GetTarget();
    hsAssert(sobj, "plSoundSDLModifier, nil target");
    
    const plAudioInterface* ai=sobj->GetAudioInterface();
    hsAssert(ai, "nil audio interface");

    plSDStateVariable* soundListVar=dstState->FindSDVar(kStrSounds);
    int numSounds=ai->GetNumSounds();
    soundListVar->Resize(numSounds);
        
    int i;
    for(i=0;i<numSounds; i++)
    {
        plStateDataRecord* soundState=soundListVar->GetStateDataRecord(i);
        plSound* sound=ai->GetSound(i);

        soundState->FindVar(kStrVolume)->Set(sound->fDesiredVol);
        soundState->FindVar(kStrTime)->Set(sound->fVirtualStartTime);
        soundState->FindVar(kStrPlaying)->Set(sound->IsPlaying());
    }*/
}

//
// apply incoming state to current audio interface
//
void plSoundSDLModifier::ISetCurrentStateFrom(const plStateDataRecord* srcState)
{
    plSceneObject* sobj=GetTarget();
    hsAssert(sobj, "plSoundSDLModifier, nil target");

    const plAudioInterface* ai=sobj->GetAudioInterface();
    hsAssert(ai, "nil audio interface");
    int numSounds=ai->GetNumSounds();

    plSDStateVariable* soundListVar=srcState->FindSDVar(kStrSounds);

    if( soundListVar->GetCount() != numSounds )
    {
        hsAssert( false, "number sounds sounds should not be changing");
        return;
    }

    int i;
    for(i=0;i<numSounds;i++)
    {
        plStateDataRecord* soundState=soundListVar->GetStateDataRecord(i);
        plSound* sound=ai->GetSound(i);

        float desiredVol;
        soundState->FindVar(kStrVolume)->Get(&desiredVol);      
        //sound->ISetUnsynchedVolume(desiredVol);       // MCN CHECK

        bool playing;
        if (soundState->FindVar(kStrPlaying)->Get(&playing))
        {
            if (playing)
            {
                //double timeStarted;
                /*if (soundState->FindVar(kStrTime)->Get(&timeStarted))
                    sound->SynchedPlay((hsScalar)timeStarted);
                else
                {
                    // Can't get the time we're supposed to start at, so we'll just try to play normally,
                    // which should be better than nothing...
                    hsAssert( false, "No timeStarted state in sound SDL. Bad state from server? Contact MCN *immediately*" );
                    sound->Play();
                }*/
            }
            else
            {
                if( sound->IsPropertySet( plSound::kPropAutoStart ) )
                {
#if 0
                    // There is a sound in teledahn (swampAmb) which leggaly has this behavior
                    hsAssert( false, "Auto-start sound just got a state update telling it to stop. "
                                "This is technically legal, but so far there isn't any case where this should "
                                "happen. Further, it's very likely to be the cause of the very-intermittent "
                                "auto-start-sounds-not-playing bug. Leave this up and contact MCN *immediately*" );
#endif
                }
                //sound->IStop();
            }
        }
    }
}