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Now let's start adding some code to our shop.

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And I'm going to start on the client side here, the gooey side.

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Let's go to starter GUI screen GUI shop frame, and then here's our shop script.

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Let's open that up.

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I want to add two variables to this script.

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We're not quite at the top.

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That's the top.

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That's line one.

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Let's go and look at about line ten.

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We have some variables for the selected item, right?

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So if you have cabin or fence, you have the image, the name, the price.

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But we need to add the type, whether it's a house type or a fence type.

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So I'll do local preview type equals shop frame to by frame.

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What was that like?

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Property.

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There it is, property type label.

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There we go.

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And we're going to need another variable.

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I'm going to put it at the bottom.

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And this is for the player data.

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Whoops, we'll call it player data.

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We're going to initialize it to nil When we open the shop.

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It's going to be server side.

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We're going to send a remote event.

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Player data is going to get the data for the player about the property it owns.

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So we don't accidentally sell them a house when he doesn't own a lot or sell them the same house twice.

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We don't want to do that.

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So in the preview item, when we select an item on the right, it's going to show the values of that

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item.

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Let's add our preview type stuff and it's going to be of type text on the button.

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We are going to have.

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Let's take a look.

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Items frame.

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Here's a button.

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So we have two buttons.

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Prop type.

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So it's going to be a prop type and that's a string value.

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So it'll be prop type value, prop type dot value, and then we'll know whether it's a house or a fence.

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Also, we have preview item, we have clear fields.

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So something happens where we got to clear the fields out like they make a purchase or they close the

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window, things like that.

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Let's do a control C, control V, and I'm just going to call this instead of preview price preview

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prop type.

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Another thing we're going to look at is.

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Our shop.

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Re right.

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This is how we open our window up.

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A server event happens and it says, Hey, open up the GUI for the player.

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But since we're on the server side coming to the client side, we can send our property data.

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I'm just going to call that data.

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We haven't done it yet.

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That's going to be over on server side, but we will.

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And then I'm going to get my player data variable player data variable, set it equal to the data that

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came over from the remote event from the server side.

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And we want to do a little bit of error checking to.

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So notice how we did this is owned.

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We check to see if the player had the item, whether it was in the backpack or they're holding it.

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I'm going to change this.

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I'm going to change this to can buy.

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Let's also add a prop type here in the parameters right after item.

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I'm going to say prop type.

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We're not going to check the character.

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Right.

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Because it's not a tool.

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And what should we do here?

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We don't need to check to see if the item is owned that way either.

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Well, we do need to do is check if not player data.

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So if there's no player data or not player data dot has lot, then let's grab this line Control C,

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we're going to give them a message.

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This shows up on top of the shop frame.

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Let's leave a message that makes more sense.

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Let's say player does not have a lot exclamation mark and then we're going to return False.

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They cannot buy a lot.

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They either had they had no data or they didn't have a lot.

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I'm going to get rid of this.

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And now I have to look at our type.

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So we got down to the point where we do have a lot.

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We're going to say if prop type equals equals, and I'm going to hardcode these, I'm going to use string

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literals.

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You might want to have a list of of proper prop types that you can draw from some enum, but I didn't

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really cover that in this class, so we'll just type in fence.

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So if it's a prop type fence, if not player data dot fence, then print.

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We can buy a fence.

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All right.

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So if we hold on, let me just finish this return.

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True.

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So if the prop type that we're purchasing is of type fence, we're going to check to see if they have

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a fence.

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If they don't have a fence, if not fence, we can buy a fence.

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So we're going to return.

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True.

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We're going to say can buy is true.

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We don't need to leave a message on the on the shop because it made sense.

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Everything was fine.

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I'm going to do another if statement here.

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I probably should have just done an if else but I'll do an if statement.

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If player data dot fence equals equals the item, let's let them know that they already owned the item,

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we're going to cancel the purchase.

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So I'm going to say message label dot text equals already owns that item, exclamation.

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And then I'm just going to return a false Don't buy it.

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Well, we can't buy it, right?

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We're going to return a false.

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Let's go ahead and copy this for the House Control C and we'll go down one line, Control V, Let's

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change all this fence stuff to house stuff.

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So if the property type is of type house, check to see if there's house data.

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If there's not house data, we can definitely buy a house.

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Well, we're also going to check for money, but we're going to do that server side.

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These are preliminary checks.

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So this is true.

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It's going to say, All right, we're going to go to server side.

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We need to change this to check for player data house.

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If the house is the item that we're trying to buy up, already owns that item.

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So we don't have to change anything here.

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We're going to deny them.

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And let's take a look down here where we're getting this nasty red line.

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We have an error is owned.

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We don't want is owned, we want can buy and we don't want it to be not is owned.

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We want it to be just can buy.

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Another thing, we're going to send the prop type, so we'll do the preview type, which is the prop

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type text into can own because we've got to check to see if it's house or fence.

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Here we're checking to see if we have enough points, but we're doing the subtracting on the server

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side.

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So now we'll get down here to shop and we need to send the property type, right?

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So we have that in preview type dot text.

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So we make two lines for this.

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Yeah.

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Let's go ahead.

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You can leave it all on one, but I want you to be able to see it.

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All right.

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That looks pretty good.

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Let's check this out.

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We're not getting any lot data yet from the server up to our UI, but we can still check for errors.

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Let's go to the view output window.

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Oh, and we still have our property test script putting houses out there.

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We're going to have to disable that, although it does look kind of cool.

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Let's go to our owner.

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Hit the little bell.

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Dang.

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And this should say player does not have lot because we don't have the lot information on the client.

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I'm going to hit my cabin and hit play or by boom player does not have lot and there's no red nasty

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red down there so it doesn't look like we have any errors so far.

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Let's hit this again.

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Let's hit fence.

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By player does not have lot.

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All right.

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That's looking pretty good.