Playing a sound and dealing with a keystroke

[thenath24]

Hello all,

I'm currently writing a 3D Game demo and i'm having trouble getting the program to play a sound and deal with a keystroke at the same time.

If a sound is playing the program will wait for the sound to finish before dealing with a user input, this is obviously no good if I want music playing through out i've tried finding examples of how to do this but have had no luck, can anyone help???

Thanks in advance

[weaknessforcats]

Use multithreading. Your sound should be on a worker thread allowing the mainline to conunue while the sound is playing.

[thenath24]

Use multithreading. Your sound should be on a worker thread allowing the mainline to conunue while the sound is playing.

Hi there,

Thanks for the tip, having read into multithreading on the MSDN library I tried to implement a simple example given in my program.

While it didn't give me any errors, it also didn't work, have I missed something?;

//code that I want to generate a sound
case VK_SPACE:
                    unsigned long iID;
                    hThread = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)PlaySound,NULL,0,&iID);
                    CloseHandle(hThread);
                break;
 

//function I want to be called when the new thread is created
void PlaySound(long lParam)
{
    PlaySound("GUN01.WAV",NULL,SND_NODEFAULT);
}

[weaknessforcats]

The function argument in CreateThread for the address of your PlaySound function has to be a ThreadProc (you might look that up).

A ThreadProc can be any function that has this form:

DWORD WINAPI ThreadProc(LPVOID);
 

So, you have to write a funtion like:

DWORD WINAPI theNath24(LPVOID arg)
{
    //use arg to point to a struct whose member contain
    //the arguments for PlaySound()
    //Fish out the arguments.
    //You call PlaySound() here
}
 

Then you make your CreateThread call:

struct Parms
{
//Put your arguments in here as members
};
Parms* args = new Parms;
//Load args members with the values for PlaySound()
//
hThread = CreateThread(NULL,0, theNath,args,0,&iID);
//
//off you go.