1 00:00:04,370 --> 00:00:05,330 ‫Hello and welcome. 2 00:00:05,330 --> 00:00:11,060 ‫In this lecture, we're going to be setting up the basics in place for our eye, getting started on 3 00:00:11,060 --> 00:00:14,420 ‫the whole AI process, which is going to be quite a series of lectures. 4 00:00:14,420 --> 00:00:19,160 ‫So we're starting with a revision of AI controllers and blueprints. 5 00:00:19,160 --> 00:00:21,740 ‫Let's dive in and see what we're revising. 6 00:00:22,720 --> 00:00:25,880 ‫So let's check back in with our project plan at the moment. 7 00:00:25,900 --> 00:00:30,720 ‫We have done player movement, animation, shooting, health and death. 8 00:00:30,730 --> 00:00:31,350 ‫So far. 9 00:00:31,360 --> 00:00:33,940 ‫Those things are pretty much covered. 10 00:00:34,030 --> 00:00:39,260 ‫We're going to look next at a very big chunk, which is going to be the enemy A.I.. 11 00:00:39,280 --> 00:00:40,530 ‫So let's get started. 12 00:00:40,540 --> 00:00:45,320 ‫The first thing we always need to do with A.I. is to have an AI controller. 13 00:00:45,340 --> 00:00:47,950 ‫So we're going to go over and create a C++ one. 14 00:00:47,950 --> 00:00:55,630 ‫Then I'm going to challenge you to create the Blueprint subclass and hook it up as the default for the 15 00:00:55,630 --> 00:00:56,260 ‫pawn. 16 00:00:56,290 --> 00:00:58,600 ‫So we're going to go to add new. 17 00:00:58,930 --> 00:01:01,240 ‫Create a new C++ class in here. 18 00:01:01,360 --> 00:01:06,610 ‫And then we're going to go down and look for if there is an AI controller in here, I'm not sure if 19 00:01:06,610 --> 00:01:07,150 ‫there is. 20 00:01:07,150 --> 00:01:12,790 ‫So I'm going to do show all classes and look for the AI controller and we're going to use that as our 21 00:01:12,790 --> 00:01:13,340 ‫base class. 22 00:01:13,360 --> 00:01:20,110 ‫Go ahead and rename it to something like Shooter A.I. Controller. 23 00:01:20,930 --> 00:01:23,870 ‫And go and create that class. 24 00:01:24,770 --> 00:01:29,750 ‫And once that's gone ahead and generated and recompiled, which may take a little while in your system, 25 00:01:29,750 --> 00:01:33,500 ‫you should end up with a C++ class like this. 26 00:01:33,530 --> 00:01:39,380 ‫Now, that's pretty much all I'm going to do, because the rest, you should be able to remember some 27 00:01:39,380 --> 00:01:40,070 ‫of it yourself. 28 00:01:40,070 --> 00:01:45,680 ‫We've done a lot of this in the previous section already, so let's see if you can do it. 29 00:01:46,340 --> 00:01:47,240 ‫So here's the challenge. 30 00:01:47,240 --> 00:01:52,250 ‫To create a blueprint child, you're going to have to first create the child class, then set it as 31 00:01:52,250 --> 00:01:54,800 ‫the I for our blueprint character. 32 00:01:55,040 --> 00:01:57,120 ‫You may or may not remember, but that has to go. 33 00:01:57,140 --> 00:02:00,980 ‫You go into your blueprint for the character, the first person. 34 00:02:01,210 --> 00:02:02,990 ‫Well, third person shooter character. 35 00:02:02,990 --> 00:02:07,640 ‫And you can set the AI that should automatically possess these characters when they're placed in the 36 00:02:07,640 --> 00:02:08,240 ‫world. 37 00:02:08,330 --> 00:02:11,930 ‫And then test the actors are created to test that. 38 00:02:11,930 --> 00:02:18,710 ‫The AI controller actors are created by basically possessing, doing an F8 and having a look in your 39 00:02:18,710 --> 00:02:22,790 ‫world outline and to see if those actors are present. 40 00:02:22,820 --> 00:02:24,650 ‫Pause the video and have a go. 41 00:02:25,670 --> 00:02:26,060 ‫Okay. 42 00:02:26,060 --> 00:02:26,710 ‫Welcome back. 43 00:02:26,720 --> 00:02:30,350 ‫So first of all, we're going to create a blueprint child class here. 44 00:02:30,350 --> 00:02:36,680 ‫So I'm going to do that by going to add new blueprint class and I'm going to make it a child of the 45 00:02:36,680 --> 00:02:45,290 ‫shooter A.I. controller, and then I'm going to call it the BP underscore shooter AI controller. 46 00:02:45,860 --> 00:02:47,570 ‫I can get the capitalization right. 47 00:02:48,720 --> 00:02:49,500 ‫Like so. 48 00:02:49,920 --> 00:02:54,810 ‫And then we want to make that the default A.I. for our BPP shooter character. 49 00:02:54,810 --> 00:02:59,040 ‫So I'm going to open up the beep issue to character and dock it to the main window and then I'm going 50 00:02:59,040 --> 00:03:01,320 ‫to go to the class defaults details. 51 00:03:01,320 --> 00:03:07,620 ‫And in here we should have under the pawn settings the AI controller class which we want to switch over 52 00:03:07,620 --> 00:03:13,170 ‫to the beep underscore shooter AI controller so I can click all save. 53 00:03:13,170 --> 00:03:21,960 ‫Okay, do all of that and go alt p to play and then f eight to d possess and have my mouse back and 54 00:03:21,960 --> 00:03:23,070 ‫look in the world outline. 55 00:03:23,370 --> 00:03:26,670 ‫We should be looking for a shooter A.I. and here we go. 56 00:03:26,670 --> 00:03:31,410 ‫The beep shooter AI controller is being created for that character we put in the world. 57 00:03:31,410 --> 00:03:36,600 ‫If you are to put more characters in the world, there would be more A.I. controllers being created 58 00:03:36,720 --> 00:03:41,760 ‫and do watch out that it is the blueprint version being created because we want any of the modifications 59 00:03:41,760 --> 00:03:46,170 ‫that we make in Blueprint to be showing up in our game, basically. 60 00:03:46,200 --> 00:03:46,590 ‫Cool. 61 00:03:46,590 --> 00:03:52,620 ‫So we've just gone through a quick revision of how we typically set up AI controllers and the next lecture 62 00:03:52,620 --> 00:03:58,320 ‫will be actually making that AI controller do something, basically aiming at our player. 63 00:03:58,320 --> 00:03:59,040 ‫So you there.