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Engine Starter Sound Questions

by Ronald J Nelson · in Torque Game Engine · 04/26/2007 (10:59 am) · 4 replies

OK first off I have integrated the Transmission for vehicles resource into my code and have made a ton of changes to it. Included in that is a working ignition system. Now I want to add the final touches to it with the sound system.

What I need to now is how to detect if the start engine sound which I have called mStartEngineSound is finished and use that to start the regular engine sound?

Here is my function area where I start my engine:

void WheeledVehicle::setIgnition(const bool& _active)
{
    // If the ignition state is already set, early out...
    if (ignition_Active == _active)
    {
        return;
    }
 
    // Set the new ignition state.
    ignition_Active = _active;
 
    // If the ignition is now active...
    if (ignition_Active)
    {
        // On the client...
        if (isClientObject())
        {
            // Create and play the new audio, making sure the audio handle is set.
            mEngineSound = alxPlay(mDataBlock->sound[WheeledVehicleData::EngineSound], &getRenderTransform());
        }

Obviously there is a lot more to my code than that, but that is the part where my engine sound is currently started up. To be honest I don't know what calls can be made to determine if the sound is finished or not and I guess a While statement would probably work to hold things up before starting the the actual engine sound. Let me know if I am totally off on that.

Any help would be appreciated.
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Torque 3D Owner mb
#1
04/26/2007 (11:22 am)
There might be something in here:
http://tdn.garagegames.com/wiki/TorqueScript_Console_Functions_1

alxGetStreamPosition or alxIsPlaying might work.

Torque Owner Ronald J Nelson
Code Hammer Games
#2
04/30/2007 (2:38 pm)
OK I got it working with this code:

// On the client...
        if (isClientObject())
        {
            // Create and play the new audio, making sure the audio handle is set.
			mStartEngineSound = alxPlay(mDataBlock->sound[WheeledVehicleData::StartEngineSound], &getRenderTransform());
            alxSourceMatrixF(mStartEngineSound, &getTransform());
            alxSourcef(mStartEngineSound, AL_GAIN_LINEAR, 0.8f);
            alxSourcef(mStartEngineSound, AL_PITCH, 1.0);

			while(alxIsPlaying(mStartEngineSound))
			{
				//Pause
			}
            alxStop(mStartEngineSound);
            mStartEngineSound = 0;

            mEngineSound = alxPlay(mDataBlock->sound[WheeledVehicleData::EngineSound], &getRenderTransform());
        }

HOWEVER!!!! When the while statement is in use, the whole game pauses. Why??

Torque Owner Ronald J Nelson
Code Hammer Games
#3
04/30/2007 (2:41 pm)
One more thing is there some way to set the Gain to the volume level based in a Audio profile?It would be a hell of a lot easier that constantly recompiling each time I make an adjustment.

Torque Owner Ronald J Nelson
Code Hammer Games
#4
05/01/2007 (9:30 pm)
*BUMP*