[SCRIPT] i need some help

[Putmalk]

No. You need to learn how function parameters work.

When you add a function via AddEntityCollideCallback (in this case, we are creating a function called PlaySound), the callbacks will always be (string &in asParent, string &in asChild, int alState). Those parameters are what you'll see in the engine scripts wiki page: http://wiki.frictionalgames.com/hpl2/amn..._functions

Look at the entry for the collide callback:

Code: (Select All)

void AddEntityCollideCallback(string& asParentName, string& asChildName, string& asFunction, bool abDeleteOnCollide, int alStates);

Calls a function when two entites collide.
Callback syntax: void MyFunc(string &in asParent, string &in asChild, int alState)

asParentName - internal name of main object
asChildName - internal name of object that collides with main object (asterix (*) NOT supported!)
asFunction - function to call
abDeleteOnCollide - determines whether the callback after it was called
alStates - 1 = only enter, -1 = only leave, 0 = both

See that callback syntax? That is what the new function's parameters will always be!

So in the end it should be:

Code: (Select All)

void OnStart()
{
//the collide callback is pretty much always in void OnStart(), don't have it floating by itself.
AddEntityCollideCallback("Player", "popout1", "PlaySound", true, 0);
}


void PlaySound(string &in asParent, string &in asChild, int alState)
{
if(HasItem("scarykey_1") == false) return;

PlaySoundAtEntity("scream", "21_scream10.ogg", "popout1", 0, false);
}

Never change those parameters. If you wanted to effect something in the function, you could.

Let's say I wanted a sound to play at the parent entity. Now this function is called by two different collide callbacks, with two different parent entities, but I always want it to play at the parent entity, then inside the callback function, I would write something like:

Code: (Select All)

PlaySoundAtEntity("sound", "sound.snt", asParent, 0, false); //asParent == the parent entity. It may be a chair, it may be a player, it will change depending on what you want it to do.

Hope this is clear for you.