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‫In this lecture, we're going to be adding a little bit of polish with some background music

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‫and a little bit of an introduction text and a little bit of an introduction sound as well.

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‫And we're going to look at a list of things that you could improve and build upon in this shooter project

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‫as mega challenges for yourself.

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‫Let's dive in.

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‫So it is nearly time to wrap up and for me to say goodbye.

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‫But before we do, I would like to leave you with a few challenges to expand upon this project.

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‫These are my mega challenges, distinguished in the fact that I won't be showing you all of the solutions.

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‫For that, you're going to have to rely on the community and talk to each other and help each other

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‫out and really explore the engine.

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‫Hopefully this will help you really get to grips with Unreal.

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‫So the first mega challenge is going to be level layout and I am going to do some of that in this lecture.

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‫So basically, I mean, layout your level, put your enemies where you want them to be, make it really

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‫a challenge, try and play test, try and play.

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‫Get your family and friends to play the level and try it out.

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‫The next one is background music.

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‫I do have some background music assets in there and again in this lecture I'm going to show you how

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‫you could add those in.

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‫So if you want a challenge for this lecture, you can pause the video and have a go right now.

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‫Okay.

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‫Welcome back.

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‫So I'm going to go in and do these challenges just a bit.

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‫But in case these were not the ones that you want to tackle and you want to try some other things,

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‫here are the rest of my challenges for you.

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‫One of them is to implement weapon switching.

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‫At the moment we've got quite a flexible weapon architecture that would support weapon switching, but

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‫at the moment it does not.

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‫So I'm going to give you some pointers on how you might want to go ahead and implement that.

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‫But I'm not going to go through the entirety of the process with you.

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‫The other one is implementing ammo with the weapon.

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‫Again, I'm going to give you some pointers on the process here, but not the actual code.

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‫Then some more advanced A.I..

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‫What do I mean by this?

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‫Well, if you're introducing ammo and weapon switching, maybe your eye needs to know when to use each

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‫one of these.

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‫So you might need to add in some behaviors for switching weapons and so on.

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‫You might also want to have an I have an idea of whether it's under fire, whether it's being shot at,

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‫in which case it might want to try and take cover so you can have some more advanced behaviors like

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‫that.

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‫All that can be implemented with behavior, trees and services and custom tasks.

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‫You might want a main menu in order to select between multiple levels and yes, multiple levels.

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‫Add in some other layouts of level, put your eye differently, make it more challenging, have a progression,

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‫and have it so that you move from one level to the next when you succeed.

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‫Now, I'm going to go through the details of weapon switching and ammo in just a second.

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‫But first, we're going to do our level layout.

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‫The first thing I want to do is move my player, start to more of a neutral location.

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‫So I'm going to delete the main player start we've got and I'm going to stick the player start over

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‫here instead.

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‫So I'm going to look for a place, Actors Pane, and I'm going to look for the player, start and stick

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‫it in here.

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‫And that should mean when we hit play that we end up in this corridor.

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‫That's good.

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‫Next up, what I want to do is add in some enemies.

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‫I'm going to put one enemy in here.

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‫So BP shoots a character in here.

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‫There's one enemy.

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‫Then we've got already an enemy over here.

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‫I like that.

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‫I'm going to add a couple of enemies, one over here and one down here.

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‫So you have to kind of go out of your way to find them and they're going to try and shoot at you and

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‫come and find you as soon as possible.

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‫Then we've got one enemy over there.

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‫That's good.

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‫I might stick and just sticking enemies everywhere.

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‫One round this corner, one up here.

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‫That's great.

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‫Another one.

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‫Maybe here.

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‫Maybe a couple down here to shoot at you as well.

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‫Maybe one up at the top of the stairs here.

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‫To just shoot down from rain, bloody fire from up there.

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‫And then we're going to stick a quite a few in this command center type room, one few to ambush you

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‫round the corner here and maybe one or two down in this little pit.

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‫There we go.

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‫Now, this room is going to be a real challenge.

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‫When you come in here, you're just going to be shot to pieces.

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‫So if we go ahead and play, we're going to go and try this out.

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‫It's going to be pretty tough at the moment and you may want to tweak it much further.

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‫I'm just going to mute here.

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‫You want to tweak it further and tweak the amount of health you have, maybe to make it the right level

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‫of challenge, or maybe you want to tweak how many eye there are in the level, all that sort of thing

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‫you can try by playing through and just testing this game to bits.

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‫And then one final thing I want to do is add some background music and some ambience.

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‫So if you look for sound in the place actors, you can see there's an ambient sound actor.

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‫We can drag this into the world.

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‫It doesn't really matter where because it's going to play some sound everywhere.

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‫And then what we want to do is select a sound from here, which I'm going to look for music and we basically

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‫want the shooter game music here and you can pretty much just leave that as it is.

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‫And if we go and hit play, you can see that we've got our background music going on, giving us a lot

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‫nicer ambience here.

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‫And then one more thing I want to do is just add a little bit of an intro text, which I'm going to

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‫do from our player shooter character and I'm going to open up in the blueprint here, open up the full

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‫blueprint editor and I'm going to go to the event graph and off of the Begin Play node, we're going

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‫to add a play sound at location, the location I want to be the actor location.

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‫So and then the sound asset that we want is going to be, I believe I've got something called intro,

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‫which is something that I recorded myself just to say, you know, let's go and kill these guys in the

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‫level or something to that effect.

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‫So now if we go ahead and hit play, we get a little bit of that introduction telling the player what

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‫to do, that they need to go and clear this base.

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‫Of all of the enemies.

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‫Now, as promised, what are we going to do with things like weapon switching and ammo?

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‫Well, weapon switching roughly.

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‫The flow is going to look like this.

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‫First of all, you're going to add an array of weapons or weapon classes to the character so that it

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‫knows which weapons it can use, spawn all of those weapons into yet another array so that you can keep

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‫track of the different weapons that our character has.

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‫So basically we're going from using a single weapon class and a single weapon instance to having an

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‫array for both of them.

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‫Then you want to have something like an active index integer that keeps track of which weapon is currently

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‫the active one.

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‫You're going to hide all of the weapons, basically deactivate and hide all of the weapons except for

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‫the one in the active index.

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‫And then you might want to bind the scroll wheel or the numbers so that that changes up your active

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‫index and you can update once you do that, once you change the active index, you want to make sure

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‫you're updating the weapon that is currently visible.

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‫And you also need to make sure that you bind the fire so that it selects whichever weapon is currently

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‫active so that it uses the fire method, the trigger method of your currently active weapon.

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‫So that's weapon switching a brief kind of outline of how you would implement that and how you'd go

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‫about trying that.

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‫The other one is ammo, which is also fairly straightforward.

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‫If you follow along with these steps, you're going to need some sort of ammo variable on your weapon,

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‫basically an integer saying, How much ammo do you have left?

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‫You're going to subtract from that every shot until you get down to zero.

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‫Very much like health, really.

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‫If you think about it, you're going to prevent from shooting there.

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‫It won't be possible to shoot.

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‫If your amigo is less than zero, you play some sort of empty sound to give a signal to the player and

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‫you might want to create some sort of pickup actor.

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‫So create a new actor, something that derives from actor, add a collider, add a mesh to it so that

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‫when you overlap with it, when an actor, a character overlaps with it, you're going to get hold of

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‫the currently active weapon on that character and you're going to add your ammo to it.

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‫And finally, you probably want to disable collisions and hide the mesh, at least for a short amount

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‫of time.

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‫You might want to re-enable it on a timer, but you want to disable it at first once you've gone over

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‫that pickup so that you aren't continually refueling your ammo while you stand on it.

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‫So that's it for this lecture.

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‫I'll leave you with the challenge slide of things that you can do to expand on what's already there.

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‫Do check out the Q&A and the discussions and our Discord Channel for input, feedback and other people

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‫who are sharing what they have done to continue their journey with this shooter game.

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‫Can't wait to see what you make with it.

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‫I will see you in the discussions.