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Welcome back.

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Hope you're doing well.

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In this lecture we're going to be scripting the sounds handler on the client.

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And this script will be responsible for muffling different sound groups, fading out sounds, listening

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to actions from the server, relating to sounds and stuff like that.

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So inside of the service we're going to need replicated storage.

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We're going to need the sound service.

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We will need the player service.

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And we'll also need the tween service.

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Now, from this point we can create the table that will represent this module script.

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We'll call it sounds handler.

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And we'll make sure to return it at the end of our script.

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And then a public function we're going to need for this handler is simply an initialize function.

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So sounds handler init.

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And then some variables we're going to need in here is um one we're going to need a reference to the

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local player.

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We're going to make a reference to the folder that contains all of the module scripts on the client,

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or this modules folder.

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So we can call this modules which is equal to script dot parent dot parent dot modules.

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We're also going to make some references to different events, such as the game comms event which is

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in replicated storage, dot events, dot remotes, dot game communication.

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And then we're also going to get the game comms enum.

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So we'll require this from updated storage dot modules dot enums dot game comms enum.

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And then I'm going to make a reference to all of the different lightning sounds that are inside of the

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sound service.

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So lightning sounds is equal to sound service, dot ambience, dot weather, dot thunder.

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And we're going to get all of the children in there because we're going to listen to when our game comms

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event is fired.

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And that will tell us to play lightning sounds, which we'll do by collecting all of the lightning sounds

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and playing a random one.

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And then we're actually going to require a module that we've created inside of the modules folder called

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lightning.

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And this module script will just have one function inside of it called Summon Lightning to apply.

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You know that lightning effect to the lightning in our game.

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So we'll call this lightning and we'll require it from modules dot lightning.

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And inside of here we can create a variable.

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We'll just call it lightning.

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And we'll make sure to return it at the end of this script here.

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And all this module script is going to have is a function to summon lightning.

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And we can create a private function for doing that.

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Now back to our sounds handler.

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Some other variables we're going to need are some references to parts in the workspace.

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So I actually have a few invisible parts.

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One is right here, one is right here.

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And then we have another invisible part down here in the basement somewhere.

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Yes, this one right here.

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And these are the different parts that are going to be on our map that when our player touches it,

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we're going to change the different sound groups.

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So we have an indoor, outdoor and basement sound group.

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So when we touch this outdoor part what we need to do is we need to make the outdoor not muffled.

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So this equalizer sound effect has to stay disabled.

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And we want to enable the equalizer sound effect on the basement and on the indoor sounds.

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And then when we go inside, we want to disable the equalizer sound effect on the indoor sounds and

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enable it for the basement and outdoor sounds.

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That way any sounds playing indoors will be clear, and any sounds playing outdoor or in the basement

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will sound muffled like they're coming through a wall.

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So we can make references to those parts.

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We can have one called Inside Touch part, which is in the workspace filtering folder.

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Dot touch parts dot inside.

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We can make a reference to the outside touch part.

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That touch parts outside, and then we can have a reference to the basement touch part.

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Workspace, filtering folder, touch parts basement.

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And then I'm going to create a random data type as well.

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Now some functions we're going to need in here.

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One is to fade out sound.

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So I can call this fade sound out.

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And this function will be responsible for getting a sound.

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And if the sound is playing then we're going to fade out the sound using the tween service.

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We want to have a function to set all of the audio in our game to basement.

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Or basically we want to make any sounds in the basement sound clear, and any sounds that are not in

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the basement to sound muffled.

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We want to have a function for doing the same thing to set the audio to inside, and then we can have

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a function to set the audio to outside.

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Because again, each of these different sounds that are inside of our sound service, such as the ambience,

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if we go to let me find weather and we go to like a rain or thunder, you can see their sound group

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is set to outdoor.

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So that means when we muffle the outdoor sounds then these will sound a little bit different.

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So actually what I'm going to do here is we're going to play rain normally.

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So when we're out sound it should sound like this.

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And then when we go inside, this equalizer sound effect will get enabled.

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And then our rain should sound like this.

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So as you can see, it sounds like we're inside of a building now.

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Same thing goes with the thunder.

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So if I disable this and play like this one or this one.

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And then I go and enable these, uh, sound effects and then try to play it again.

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As you can see, it sounds like it's a little bit muffled now.

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So that means in each one of these functions, we're going to have to do is we're going to have to reference

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our sound service.

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And when we want to set the audio to basement, what we could do is we could reference our indoor sound

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group and we could get the equalizer sound effect in there and set the enable property equal to true.

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Because we're in the basement.

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We can also do this for the sound service basement, get the equalizer sound effect in there and set

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the enable property to false because we are now inside of the basement.

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And then we want to set the sound service dot basement dot reverb sound effect that's in there.

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We want to make sure that's enabled.

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So inside of basement sounds when this reverb is applied that means we're going to have an echo sound

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effect because we're in the basement.

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Right.

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We also want to make sure to set the sound service, the outdoor sound group reverb or I mean equalizer

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sound effect dot enabled equal to true.

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And I also want to reduce the volume of any sounds that come from outside or come from inside of the

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building.

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So we can reference the Sound Service, Inc. or Sound Group and set the volume equal to something like

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0.5.

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And then for the sound service outdoor volume, since we're in the basement or basically underground,

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we want to set this something to a low value so we could do something like 0.05.

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Now the volume property inside of sound groups actually affects all of the volumes.

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For any sounds that have this, uh, sound group property set to like, for example, the outdoor sound

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group.

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If I were to set this volume to zero, that means we're not going to be able to hear any of the sounds

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coming out of these different, uh, sound instances.

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So if I play this one, as you can see, there's no sound at all.

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This volume property universally affects any sound instances that have this sound group set for their

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sound group property.

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So that means if I decrease it, then it's going to make it, you know, reduce for the volume of these

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different sound effects.

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So a volume of one basically means that these different sound effects, uh, their volumes are not affected.

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Right.

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When we have a one value, that means the volume that's set in their property, like 0.5 stays the same.

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But if we decrease it to something like 0.5, then that means the volume of each of these sound instances

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has their volume cut in half.

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So instead this is now acting as a volume of like 0.25.

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So the volume got reduced, as you can see.

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And in fact an outdoor volume of 0.05 might be a little low.

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So we could set this to something like 0.1 instead.

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And then when we want to set the audio to be inside, we can just copy all of this.

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And what we want to do is we want to set the indoor equalizer sound effect enabled to false.

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We can change this to be true.

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We're going to disable the reverb sound effect in the basement.

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Uh, the outdoor sound effect, uh, equalizer sound effect is going to stay to true, and then the

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indoor volume can be set back to one.

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The outdoor volume can be set to something like 0.5.

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And that also means we should reference the sound service dot basement dot volume and set that to something

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like one.

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When we're in the basement and when we are not in the basement.

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So when we are inside, we can set this to a volume of something like 0.5.

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And then we can copy this one more time.

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And then when we want to set the audio to outside the equalizer, sound effect for indoors will be set

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to true.

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So for the basement and then for the outdoor sounds we're going to set this one to false.

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Basement sounds can basically be set to like 0.1.

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Indoor sounds can be set to 0.5, and then outdoor volume can be set to one.

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And while we're at it, I guess we could also fill out our fade sound out function.

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So this function will get passed a sound instance.

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And we first want to check whether or not the sound is playing.

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So if the sound is not playing, then we're just going to return out of the function.

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Otherwise we can create a tween using the tween service.

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On this particular sound instance, we can create a tween info of something like one second.

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And we want to fade out this sound so we can set the volume property equal to zero.

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And then we play the tween.

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And then we're going to wait for the tween to complete.

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And then once it completes, then we're just going to stop the sound from playing any further.

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Another private function we're going to need in here is to listen to our game comms event, so we can

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call this function on game comms event.

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We get passed in action and arguments with that action.

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And then inside of our initialize function, what we could do in here is we could listen to our games

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comm event dot on client event and connect our on game comms event function.

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And then we also want to listen for when our outside touch part gets touched.

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Connect the Lambda function to that we want to listen to when our inside touch part gets touched.

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And we also want to listen to win our basement touch part gets touched.

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And each of these lambda functions will get past the part that touched our outside, inside and basement

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touch parts so we can call it other part.

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Now we can go ahead and fill out these different, uh, functions here real quick.

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So when our outside touch part gets touched, we first want to verify that this part that touched it

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was actually from our character model.

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So we can check first off if the other part dot parent.

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Find first child, which is a humanoid.

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So that means the part that touched this belonged to a character model.

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So if it did belong to a character model, then we want to check exactly who touched it, which player

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touched it.

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If the player that touched it is not our local player, then we want to ignore this event so players

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we can use the function, get player from character and pass this other part dot parent.

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And if this player is not equal to our local player, then we're just going to return because we only

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want to listen for when our player touches it.

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However, if we did touch it, then we can call our set audio to outside function when we touch the

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outside part.

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And then we could just basically copy this, paste it in here.

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And then for this one we want to set the audio to inside.

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So set audio to inside.

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And then for this one we'll just copy all of this and set the audio to the basement.

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The last function we can go ahead and fill out is our on game comms event.

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So inside of this function, the different actions we want to listen to are inside of our game comms

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enum.

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So if the action is equal to game comms enum dot two client.

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And the first one we could do is play sound.

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So if the action is play sound, then what we could do is we could give the server the option to let

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us know whether or not we want this sound to play at a particular point on our map, or we just want

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to play the sound universally for the player.

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So basically, does the server want us to have this sound emanate from a specific point, or do we just

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want to play the sound, for example, directly from the sound service?

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So what we could do is we could have a key value pair inside of our args table that defines whether

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or not we want to play it at a point.

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So if not ARGs and we could do play at point.

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So if we do not need to play the sound at a particular point, then we could just do args and we could

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have another key in there that represents the sound instance.

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So we could just call it sound and then we play the sound.

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Otherwise that means we're going to have to play the sound at a particular point so we can create a

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part in the workspace using the instance dot new function and create a new part.

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We're going to make this part anchored.

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We're going to set can collide equal to false part dot transparency.

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We're going to set equal to one.

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And then the position for this part is going to be supplied by the server.

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So we can have another key value pair in the arguments table called position.

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And then we need to set the parent of this part equal to the workspace.

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And then we need to create a clone of the sound.

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So we can call this sound clone equal to args dot sound clone.

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Set the parent of our sound clone.

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Equal to this part.

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And then we're going to get our sound clone and play it.

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We're going to wait for this sound clone to end.

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And then once the sound finishes playing, then we can go ahead and destroy this part.

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Perfect.

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Another action we want to listen to is when the server wants us to fade out a particular sound.

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So if the action is to stop a sound, then what we could do is we could call our fade sound out function

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and pass args dot sound.

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Um, another action we want to listen to.

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In our Gamescom enum two client is when the server wants us to change our sound to inside, for example,

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because what we're going to do is that when this part right here gets touched, we want to teleport

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all of the players inside of the restaurant.

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And when we do that, not all of the players are going to be able to touch this part unless they actually

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come and walk over and touch this part.

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So that means the one player that touches this part automatically has their sound groups set up correctly,

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but all the other players that get teleported in here won't have their sound groups set up correctly.

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So we need to tell those players through this, uh, game comms event to, you know, change their sound

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to be inside.

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And this is going to be pretty easy.

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All we can do is just call our set audio to inside function.

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And then we need to do the same thing for the basement.

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So if the action is equal to change sound to basement, then we can just call our set audio to basement

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function.

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And then the last action we want to listen to is when the server tells us to play some lightning.

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So if the action is lightning.

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Then what we could do is we could use our lightning module script.

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And call our Summon Lightning function, which will help to flicker the brightness in the game.

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And then we're going to wait for a random amount of time using the RNG next integer, or we can use

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next number.

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Wait anywhere from between 0.4 to 2 seconds.

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And then what we could do is we could get our lightning sounds table, and we want to play a random

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one of these lightning sounds.

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So we can use RNG next integer and get a random sound between the index of one to the max number of

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lightning sounds, and then we just play this particular sound.

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And that means we should go ahead and fill out our Summon Lightning function.

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What's going to happen here is when we are told to summon lightning, we're going to call our Summon

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Lightning private function.

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And inside of here, what we could do is we could get a random, uh, number.

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So random num is equal to RNG next number between 8 and 12.

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So we're basically doing the exact same thing that we did within our, uh, other module script that

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was in our lobby.

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And that means we're going to need to get our lighting service in here.

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So lighting is equal to game get service lighting.

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We're of course going to need our RNG data type.

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So local RNG is equal to random dot new.

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And then I want to make a reference to the original brightness in our game.

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So that's in the lighting dot brightness.

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And then inside of here we're going to do the exact same thing that we did last time.

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We're going to refer to the lighting service and set the brightness plus equal this random number.

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Well wait a random amount of time using RNG.

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Next number 0.0820.12.

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Copy this again.

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Put that here.

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But this time we want to subtract random number by four.

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And we want to set the brightness minus equal this random number.

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Basically just copy this same thing here again.

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This time we want to add brightness and we'll add six to random number.

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Paste it again.

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And this time we can wait a little longer up to 0.15 seconds.

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And this time we can also add as well.

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But we want to add a slightly smaller number.

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So we can subtract random num minus eight.

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So actually this will be a little random.

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If random number is eight then the brightness won't increase.

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So actually let me change this number to like ten.

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So basically.

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We increase the brightness, and then here the brightness may increase more, or the brightness might

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decrease a little depending on what random number gets generated here.

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And then after that, we're of course going to wait a little bit longer again and then set the lighting

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service.

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So lighting brightness equal to the original brightness that we stored here originally.

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So our sound handler should be all good set up and ready to go.

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So that means if we go to test out our main story, if we touch each one of these parts, we should

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have the sound groups in our game muffled to their respective areas.

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So let's go ahead and try it out.

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00:19:01,950 --> 00:19:07,380
So when we go to touch this outside part, as you can see our sound doesn't change.

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We can still hear the rain just fine.

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But if we open our door and we go inside, as you can see immediately we do not hear the rain anymore.

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It's become muffled and the volume from outside has decreased.

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00:19:17,730 --> 00:19:22,110
But if we go and touch the outside part again, as you can see, we can hear the rain again.

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And oops.

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00:19:27,060 --> 00:19:30,780
Unfortunately, it seems like our door is locked here.

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So what I could do is real quick is I'll just grab my character and put him in here from the server,

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and then we'll go back to the client.

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And then if I go and touch my basement sound.

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I do not believe we can hear the rain anymore.

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So our rain has completely disappeared.

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And now we are inside of our lovely basement.

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00:19:51,050 --> 00:19:55,490
And unfortunately, it looks like we're getting some rain passed through our basement.

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00:19:55,490 --> 00:19:59,930
We can go ahead and fix that by adding an invisible part above the basement.

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00:19:59,930 --> 00:20:01,520
So let's go ahead and fix that real quick.

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00:20:02,520 --> 00:20:07,770
So it's actually go ahead and move our rain blocker for the basement because apparently it's not working

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00:20:07,770 --> 00:20:08,460
right now.

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00:20:08,460 --> 00:20:12,870
And to make sure that we can actually see what the heck we're doing, we're going to change the brightness

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00:20:12,870 --> 00:20:15,000
equal to something like.

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00:20:15,770 --> 00:20:17,810
We could just do like ten or something like that.

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00:20:17,810 --> 00:20:21,590
And then let me, uh, make the fog, like, super far away.

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00:20:21,590 --> 00:20:23,420
That way you can actually see what's going on.

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00:20:23,420 --> 00:20:24,260
Okay.

307
00:20:24,500 --> 00:20:26,900
We can get our rain blocker for the basement.

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00:20:26,900 --> 00:20:34,490
Let me move this down and actually let me change the transparency of our rain blocker to something like

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00:20:34,490 --> 00:20:35,660
0.98.

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00:20:35,660 --> 00:20:38,630
I don't remember exactly what the threshold was for our rain.

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00:20:38,630 --> 00:20:39,950
So let me check real quick.

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00:20:40,100 --> 00:20:47,780
The transparency threshold is 0.98 and we can actually change this maybe back to 0.99 something like

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00:20:47,780 --> 00:20:48,350
that.

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00:20:49,330 --> 00:20:52,060
Because the transparency of this one is.

315
00:20:52,880 --> 00:20:54,770
This one's 0.99 as well.

316
00:20:54,770 --> 00:20:57,770
So we could just set this to 0.98.

317
00:20:59,090 --> 00:21:02,780
And our basement goes basically all along down here.

318
00:21:02,780 --> 00:21:07,340
So we need to resize this to appropriately cover our entire basement.

319
00:21:08,780 --> 00:21:10,940
We can extend it to, like over here.

320
00:21:13,230 --> 00:21:16,950
And then we can have it go all the way down to, like, right here.

321
00:21:20,940 --> 00:21:25,080
And it seems like we need to have it continue going this way.

322
00:21:25,110 --> 00:21:28,950
So what I can do is I can increase the height a little bit.

323
00:21:30,170 --> 00:21:32,360
And then I'll duplicate this.

324
00:21:33,350 --> 00:21:38,690
And let me resize this one here and move it out to cover our entire basement.

325
00:21:39,230 --> 00:21:41,600
So we'll do something like this.

326
00:21:43,210 --> 00:21:46,570
And then we'll make sure it doesn't interfere with the restaurant too much.

327
00:21:46,570 --> 00:21:49,120
So we'll have it go like right there.

328
00:21:53,260 --> 00:21:55,960
And that should cover our basement well enough.

329
00:21:55,960 --> 00:21:59,050
So actually, let's go ahead and find out real quick.

330
00:22:00,610 --> 00:22:03,730
Fortunately, it looks like we're still getting rain in our basement.

331
00:22:04,280 --> 00:22:04,580
All right.

332
00:22:04,580 --> 00:22:06,980
I figured out the issue for our brain blockers.

333
00:22:06,980 --> 00:22:10,220
It's because we forgot to enable, uh, can collide on them.

334
00:22:10,220 --> 00:22:15,170
So we got to make sure can collide is enabled for our brain blockers.

335
00:22:15,170 --> 00:22:19,040
And that means now if we go test it, we shouldn't have any more rain in the basement.

336
00:22:20,360 --> 00:22:23,660
Okay, so if we now go back into our basement.

337
00:22:24,500 --> 00:22:25,100
Perfect.

338
00:22:25,100 --> 00:22:26,360
Our rain is gone.

339
00:22:26,480 --> 00:22:28,850
We do not have rain any longer.

340
00:22:28,850 --> 00:22:31,820
Uh, passing through the ceiling of our basement.

341
00:22:32,330 --> 00:22:37,520
Now that we've actually set up the sound handler on the client, we can actually go back to our door

342
00:22:37,520 --> 00:22:43,250
service here, and we can go ahead and update our play sound function to go ahead and utilize that,

343
00:22:43,250 --> 00:22:45,080
uh, sound handler on the client.

344
00:22:45,080 --> 00:22:49,430
So that means up here we're going to have to create a reference to our game comms event.

345
00:22:49,430 --> 00:22:56,030
So game comms event is equal to replicated storage dot events dot remotes dot game communication.

346
00:22:56,030 --> 00:22:59,180
And then we can also go ahead and get our game comms enum.

347
00:23:00,380 --> 00:23:02,090
Replicated storage modules.

348
00:23:02,300 --> 00:23:05,780
Enums dot game communication enum.

349
00:23:06,050 --> 00:23:11,210
And then inside of our play sound function, what we could do is we could use our game comms event,

350
00:23:11,210 --> 00:23:16,610
and we could fire to all of the clients that we would like for them to do a specific action.

351
00:23:16,610 --> 00:23:19,460
And that action is going to be to play a sound.

352
00:23:19,460 --> 00:23:23,360
And then the arguments we can pass here, one is going to be the sound instance.

353
00:23:23,360 --> 00:23:27,230
So we can create a key for the sound, which will be the sound instance.

354
00:23:27,320 --> 00:23:32,720
We can create a key of if we would like the sound to play at a point which we would like for them to

355
00:23:32,720 --> 00:23:32,990
do.

356
00:23:32,990 --> 00:23:39,170
So we could do play at point equal to true, and the point that we would like for them to play it at

357
00:23:39,170 --> 00:23:42,800
is going to be equal to this parent.

358
00:23:42,800 --> 00:23:49,040
So the parent we're going to get this parent and we're going to get the position.

359
00:23:49,880 --> 00:23:52,580
So we can go ahead and delete this extra stuff here.

360
00:23:52,580 --> 00:23:55,970
And we can go ahead and now test our event out.

361
00:23:59,300 --> 00:24:01,910
So if we go to open the door, let's see what happens.

362
00:24:02,900 --> 00:24:03,440
And perfect.

363
00:24:03,440 --> 00:24:09,740
The sound still works just as normal, but instead of playing the sound from the server directly, we're

364
00:24:09,740 --> 00:24:14,390
firing an event and the player is doing it, or the client is doing it on their end instead.

365
00:24:15,320 --> 00:24:18,680
So it appears that our game is coming together nicely so far.

366
00:24:18,680 --> 00:24:21,950
Keep up the good work and I will get to see you in the next lecture.