WEBVTT 00:06.810 --> 00:07.920 Welcome back. 00:07.950 --> 00:14.250 Now, as we mentioned in the previous video, we have a minion classes array and we can fill this in 00:14.250 --> 00:15.900 with classes to spawn. 00:15.900 --> 00:22.950 For example, I can click plus and I can choose my demon Ranger and I can click plus and I can choose 00:23.370 --> 00:25.440 Demon Warrior, for example. 00:25.440 --> 00:31.080 And I'd like to choose from among the classes in this array at random each time I spawn. 00:31.080 --> 00:37.170 So I want a nice blueprint, pure function that we can call that will get one at random. 00:37.170 --> 00:38.580 So let's do that. 00:38.580 --> 00:45.240 I'm going to go ahead and close the editor and we're going to go to awesome and ability and make a blueprint 00:45.240 --> 00:46.260 pure function. 00:46.260 --> 00:53.730 So this function is going to return a subclass of of type A pawn. 00:53.940 --> 00:56.310 That's what our array contains. 00:56.310 --> 01:02.400 And this function will be get random minion class and it doesn't need to take any inputs. 01:02.400 --> 01:11.770 So it's going to get a new function macro with blueprint, pure and category summoning. 01:13.700 --> 01:14.330 Okay. 01:14.330 --> 01:19.700 And this can go up here next to my other spawning related function. 01:20.150 --> 01:25.590 So let's generate this function definition and really it's going to be quite simple. 01:25.610 --> 01:27.380 We're going to. 01:28.520 --> 01:31.130 Make an N 32 called selection. 01:31.430 --> 01:35.660 It's going to be equal to F math randrange. 01:36.350 --> 01:44.570 We're going to get a random integer between zero and our array length minus one, and our array is called 01:44.600 --> 01:45.980 minion classes. 01:45.980 --> 01:52.280 So we're going to say minion classes, dot num minus one. 01:52.430 --> 02:01.550 So our selection is what we'll use to index the array and we're going to return minion classes index 02:01.550 --> 02:02.690 dot selection. 02:04.060 --> 02:06.780 And we'll make selection a constant. 02:06.790 --> 02:13.450 So it's a quite simple function in C plus plus, but it just adds more nodes in blueprint. 02:13.450 --> 02:18.850 So I'd like to just have this to be a blueprint, pure function that gets it for us. 02:18.850 --> 02:23.290 So now that we have this, we can run in debug mode. 02:24.270 --> 02:32.820 And we can open our ability and instead of drawing a debug sphere, we can right click and get random 02:32.850 --> 02:37.170 minion class and then we can spawn a minion. 02:37.170 --> 02:43.650 So I'm going to use Spawn actor from class and we can simply spawn an actor of this class. 02:43.650 --> 02:49.680 So I'm going to right click and use Spawn actor from class passing in our class. 02:50.010 --> 02:58.620 And for the spawn transform, I'm going to take the spawn location, but I do want to raise it a bit. 02:58.800 --> 03:02.010 And the reason is well, we'll see in just a second. 03:02.010 --> 03:05.970 Actually, before we raise it, let's just spawn it at this location. 03:05.970 --> 03:12.510 I can right click on Spawn, Transform, split the struct pin and pass that location in. 03:12.510 --> 03:18.690 And instead of drawing a debug sphere, we're going to spawn the actor and then continue on our way 03:18.690 --> 03:19.950 in the algorithm. 03:19.950 --> 03:25.480 We're also going to set collision handling override to always spawn ignore collisions. 03:25.480 --> 03:32.950 That way we'll spawn whether we're colliding or not, and then we'll see why we'd like to raise that 03:32.950 --> 03:34.270 spawn location a bit. 03:34.270 --> 03:35.530 So I'm going to press play. 03:36.890 --> 03:38.560 And there we go. 03:38.570 --> 03:42.680 We see that we're spawning in some enemies now. 03:42.680 --> 03:43.770 They're not moving. 03:43.790 --> 03:49.010 They're also spawned in side the ground there, which is a problem. 03:49.010 --> 03:52.880 So for one, let's take care of that in the ground problem. 03:52.880 --> 03:56.420 We want to raise this spawn location a bit. 03:56.420 --> 03:59.530 So how much do we want to raise it by? 03:59.540 --> 04:02.690 Well, for now, let's just add an amount to it. 04:03.630 --> 04:05.100 We're going to use plus. 04:05.460 --> 04:07.020 And what are we going to add? 04:07.020 --> 04:07.830 Something in the Z? 04:07.860 --> 04:08.510 Right. 04:08.520 --> 04:14.220 Let's add perhaps 70 and we'll use that for the spawn transform. 04:14.220 --> 04:15.570 Let's see how that looks. 04:17.760 --> 04:19.110 That's better. 04:19.650 --> 04:20.190 Okay. 04:20.190 --> 04:27.990 Now for the other problem, which is they're actually not moving towards the character. 04:27.990 --> 04:29.400 They're not chasing me. 04:29.700 --> 04:30.060 Okay. 04:30.060 --> 04:32.800 So why are they not chasing the character? 04:32.820 --> 04:39.840 Well, that's because when you spawn a pawn manually in the world at runtime, it does not automatically 04:39.840 --> 04:43.020 get a controller assigned to it. 04:43.170 --> 04:47.040 We have to assign a default controller. 04:47.040 --> 04:53.910 If we drag off the return value and type default controller, then we can use spawn default controller 04:53.910 --> 04:54.540 here. 04:58.990 --> 05:00.670 So if we do that. 05:02.070 --> 05:03.390 And press play. 05:04.500 --> 05:08.340 Now they're all coming at me nice and hostile. 05:09.360 --> 05:10.260 Now. 05:10.440 --> 05:17.130 Yes, we're spawning a huge army, and that's because we're activating this quite frequently. 05:17.160 --> 05:23.030 What I'd like to do is limit how much our shaman can spawn enemies. 05:23.040 --> 05:23.640 Right. 05:23.640 --> 05:29.220 But before that happens, I'd actually like to play that summon montage. 05:29.250 --> 05:33.020 So that way, you know, it actually looks cool. 05:33.030 --> 05:37.380 Like our shaman is actually casting a spell to summon these. 05:37.410 --> 05:45.060 So now that we've got this working pretty nicely, we'll work on that montage in the next video and 05:45.060 --> 05:46.830 we'll polish things up a little bit. 05:46.860 --> 05:50.730 We don't want all of our enemies spawning with the zero rotation like this. 05:50.820 --> 05:55.550 It'd be nice if they were spawned sort of facing outward away from the enemy. 05:55.560 --> 05:58.240 So we'll work on that as well. 05:58.260 --> 05:59.430 So great job. 05:59.460 --> 06:01.290 I'll see you in the next video.