1 00:00:00,000 --> 00:00:03,270 Welcome back, my fellow game developers. 2 00:00:03,270 --> 00:00:06,090 In this video, we've created money, 3 00:00:06,090 --> 00:00:07,920 so let's get started. 4 00:00:07,920 --> 00:00:10,140 When I run the game. 5 00:00:10,140 --> 00:00:13,050 You can see that I have 0 Bitcoins. 6 00:00:13,050 --> 00:00:14,310 If I hit the GKE, 7 00:00:14,310 --> 00:00:16,470 I have 20, 40, 8 00:00:16,470 --> 00:00:21,030 60, and then I can also remove them from my inventory. 9 00:00:21,030 --> 00:00:22,640 It's nothing very special. 10 00:00:22,635 --> 00:00:25,175 There's nothing to coolants video except for 11 00:00:25,170 --> 00:00:27,240 the really nice-looking symbol 12 00:00:27,240 --> 00:00:28,970 right here of the game manager. 13 00:00:28,965 --> 00:00:31,205 So let's not waste any more time and 14 00:00:31,200 --> 00:00:34,100 let's get to creating money. 15 00:00:34,095 --> 00:00:35,915 O k. 16 00:00:35,910 --> 00:00:37,950 So now we have enemies, 17 00:00:37,950 --> 00:00:41,490 now we have weapons, everything is set. 18 00:00:41,485 --> 00:00:43,915 It's time for sound money. 19 00:00:43,910 --> 00:00:45,530 We need to make some money. 20 00:00:45,530 --> 00:00:48,890 So and I believe in the last video, 21 00:00:48,890 --> 00:00:51,800 I told you that we are going to be creating menus. 22 00:00:51,800 --> 00:00:53,750 Sorry for that honesty. 23 00:00:53,750 --> 00:00:56,540 I don't actually remember what we have. 24 00:00:56,540 --> 00:00:59,120 I just go from one video to the next. 25 00:00:59,120 --> 00:01:01,630 Obviously all the time I know what I'm doing. 26 00:01:01,625 --> 00:01:04,225 Obviously, I know where we are heading. 27 00:01:04,220 --> 00:01:06,400 But anyways, let's continue on. 28 00:01:06,395 --> 00:01:09,205 We have the level manager and this is where we want 29 00:01:09,200 --> 00:01:12,260 to keep track of the money that we have. 30 00:01:12,260 --> 00:01:15,050 So first of all, 31 00:01:15,050 --> 00:01:17,030 we are going to create a variable in here 32 00:01:17,030 --> 00:01:19,340 which is going to be a serialized field, 33 00:01:19,340 --> 00:01:24,210 and it's going to be an end of the current coins. 34 00:01:24,214 --> 00:01:28,924 Okay, so here is where we will have our current coins. 35 00:01:28,925 --> 00:01:31,825 And now it's your job to create two methods 36 00:01:31,820 --> 00:01:34,810 to get and spent the Bitcoins. 37 00:01:34,805 --> 00:01:36,805 So you'll create two methods. 38 00:01:36,800 --> 00:01:39,550 One that adds, I should change this, 39 00:01:39,545 --> 00:01:40,675 you know what, let me check or 40 00:01:40,670 --> 00:01:42,920 no electron will change this to Bitcoin. 41 00:01:42,920 --> 00:01:44,330 So create two methods. 42 00:01:44,330 --> 00:01:45,740 One that adds bit coins, 43 00:01:45,740 --> 00:01:47,750 one that removes the Bitcoins. 44 00:01:47,750 --> 00:01:51,440 Then each should take in a parameter for the amount. 45 00:01:51,440 --> 00:01:53,300 Make sure that we never have 46 00:01:53,300 --> 00:01:56,950 negative amounts of money because that's very bad. 47 00:01:56,945 --> 00:01:59,335 So with that out of the way, 48 00:01:59,330 --> 00:02:04,510 pause the video right now and go do the challenge. 49 00:02:04,505 --> 00:02:06,415 Okay, welcome back. 50 00:02:06,410 --> 00:02:08,360 So instead of current coins, 51 00:02:08,360 --> 00:02:12,670 I'm going to call this the current bit coins. 52 00:02:12,665 --> 00:02:14,695 And if you don't like Bitcoin, 53 00:02:14,690 --> 00:02:16,880 well, you should try it out anyways. 54 00:02:16,880 --> 00:02:18,950 I'm not trying to put anything in your head. 55 00:02:18,950 --> 00:02:21,620 Let's continue on. Let's focus on the main thing. 56 00:02:21,620 --> 00:02:26,050 Now, something in here that you might want to consider. 57 00:02:26,045 --> 00:02:29,995 So it's great. We have Level Manager which takes, 58 00:02:29,990 --> 00:02:31,820 takes care of the whole level. 59 00:02:31,820 --> 00:02:33,320 But when it comes to 60 00:02:33,320 --> 00:02:35,770 the amount of money that we carry with us, 61 00:02:35,765 --> 00:02:38,785 I think it's better to have it in 62 00:02:38,780 --> 00:02:40,160 something called a game 63 00:02:40,160 --> 00:02:42,080 manager that's just for the future. 64 00:02:42,080 --> 00:02:43,780 It's no problem. 65 00:02:43,775 --> 00:02:45,655 You can create it in level manager. 66 00:02:45,650 --> 00:02:47,150 It does the functionality, 67 00:02:47,150 --> 00:02:49,580 but level manager seems like it 68 00:02:49,580 --> 00:02:52,520 just handles the current level that we're on. 69 00:02:52,520 --> 00:02:54,530 When it comes to the mind that we hold, 70 00:02:54,530 --> 00:02:57,890 it should be around the entire game. 71 00:02:57,890 --> 00:02:59,590 So as soon as you start the game, 72 00:02:59,585 --> 00:03:01,885 every single level you collect more coins, 73 00:03:01,880 --> 00:03:02,990 you go to the next level, 74 00:03:02,990 --> 00:03:04,850 you then add to that. 75 00:03:04,850 --> 00:03:08,450 So level manager is a bit of a weird one. 76 00:03:08,450 --> 00:03:11,630 I don't know, maybe we should move it to a game manager. 77 00:03:11,630 --> 00:03:14,440 You know what, let's move it to a game manager. 78 00:03:14,435 --> 00:03:16,195 I've convinced myself. 79 00:03:16,190 --> 00:03:20,240 So in here, I'm going to right-click. 80 00:03:20,240 --> 00:03:25,000 Create an empty game manager, hit Enter. 81 00:03:24,995 --> 00:03:27,045 We'll reset the position. 82 00:03:27,049 --> 00:03:30,079 And in here in the manager's going to create 83 00:03:30,080 --> 00:03:35,290 a C-sharp four script for the game manager at Enter. 84 00:03:35,285 --> 00:03:36,985 And this is exactly why 85 00:03:36,980 --> 00:03:38,780 I wanted to create a game manager just 86 00:03:38,780 --> 00:03:42,410 to show you this weird symbol for some reason, 87 00:03:42,410 --> 00:03:46,040 no other script changes except for this one. 88 00:03:46,040 --> 00:03:49,180 This one has this weird knob on it. 89 00:03:49,175 --> 00:03:50,935 I don't know Why. Don't ask me why. 90 00:03:50,930 --> 00:03:52,130 I'm still not sure. 91 00:03:52,130 --> 00:03:53,900 But anyways now the game manager 92 00:03:53,900 --> 00:03:55,460 has the game manager script. 93 00:03:55,460 --> 00:03:57,040 And as long as we're here, 94 00:03:57,035 --> 00:03:58,405 we have the level manager, 95 00:03:58,400 --> 00:03:59,740 we have the game manager, 96 00:03:59,735 --> 00:04:01,775 we also have the Audio Manager. 97 00:04:01,774 --> 00:04:03,234 There we go, the Audio Manager. 98 00:04:03,230 --> 00:04:06,110 So I'm going to right-click create an empty. 99 00:04:06,110 --> 00:04:08,770 The managers hit Enter. 100 00:04:08,765 --> 00:04:13,765 I'm going to reset its position so that the game manager, 101 00:04:13,760 --> 00:04:18,430 level manager, and the where is it? 102 00:04:18,425 --> 00:04:20,545 Audiomanager. There we go. 103 00:04:20,540 --> 00:04:23,240 So now we have a list of all the managers. 104 00:04:23,240 --> 00:04:24,770 And in the prefabs, 105 00:04:24,770 --> 00:04:28,040 let's prefab the level and the game manager. 106 00:04:28,040 --> 00:04:32,800 So do we have where is the AudioManager saved? 107 00:04:32,795 --> 00:04:36,965 I think he is in the prefabs where z. 108 00:04:36,965 --> 00:04:39,665 Okay, so AudioManager, his Albany himself, 109 00:04:39,665 --> 00:04:46,505 folder managers, AudioManager, level manager, 110 00:04:46,504 --> 00:04:48,124 and the game manager. 111 00:04:48,125 --> 00:04:49,825 Okay, with that out of the way, 112 00:04:49,820 --> 00:04:52,160 let's open up the script again. 113 00:04:52,160 --> 00:04:53,930 Whereas the level manager, 114 00:04:53,930 --> 00:04:56,090 we are going to take the Bitcoins from 115 00:04:56,090 --> 00:04:59,520 here and move them to the game manager. 116 00:04:59,830 --> 00:05:02,540 And then we are going to go ahead 117 00:05:02,540 --> 00:05:04,330 and create two methods in here. 118 00:05:04,325 --> 00:05:05,605 I'll keep the start and update. 119 00:05:05,600 --> 00:05:08,200 I have a feeling that we might use them later on. 120 00:05:08,195 --> 00:05:10,105 So in here, first of all, 121 00:05:10,100 --> 00:05:12,320 the public void, obviously 122 00:05:12,320 --> 00:05:14,980 it has to be public because we are going to be. 123 00:05:14,975 --> 00:05:16,975 Calling it from different scripts. 124 00:05:16,970 --> 00:05:21,790 So public void get bitcoins. 125 00:05:21,785 --> 00:05:26,705 And in here the amount to get. 126 00:05:26,705 --> 00:05:31,085 So we open up the brackets or squiggly lines or whatever. 127 00:05:31,085 --> 00:05:37,885 And the current Bitcoins plus equals the amount to get. 128 00:05:37,880 --> 00:05:40,430 And if you want, we can set it to 21 million, 129 00:05:40,430 --> 00:05:42,050 but let's keep it as infinite. 130 00:05:42,050 --> 00:05:44,110 We can get as many as we want. 131 00:05:44,105 --> 00:05:47,995 And then we are going to create the public void, 132 00:05:47,990 --> 00:05:53,890 spend coins, bitcoins. 133 00:05:53,885 --> 00:05:57,665 And this one is going to be 134 00:05:57,660 --> 00:06:04,440 an integer of amount to spend. 135 00:06:04,435 --> 00:06:06,915 And in here we are going to get 136 00:06:06,910 --> 00:06:09,160 the current coins, excuse me, 137 00:06:09,160 --> 00:06:12,160 get the current coins removed from them, 138 00:06:12,160 --> 00:06:14,180 the amount to spend. 139 00:06:14,184 --> 00:06:16,454 And finally, we are going to check if 140 00:06:16,450 --> 00:06:22,680 the current coins are less than or equal to 0, 141 00:06:22,675 --> 00:06:24,855 than the current coins will be. 142 00:06:24,850 --> 00:06:29,580 Current coins will be set to 0. Save that. 143 00:06:29,575 --> 00:06:32,535 And now let's just create a small Peston near. 144 00:06:32,530 --> 00:06:39,830 So if input and put dot, 145 00:06:39,825 --> 00:06:43,495 get the down key, 146 00:06:43,490 --> 00:06:48,520 coat gene G, so keycode. 147 00:06:48,515 --> 00:06:51,715 So I mean get, if, GET, 148 00:06:51,710 --> 00:06:57,760 then get bitcoins and let's say we get 25 or 20. 149 00:06:57,755 --> 00:07:01,625 Then if the same in here. 150 00:07:01,625 --> 00:07:03,415 But instead of a G, 151 00:07:03,410 --> 00:07:05,970 we use the H, 152 00:07:06,370 --> 00:07:11,820 H spend, but coins. 153 00:07:11,824 --> 00:07:13,344 And how many do we spend? 154 00:07:13,340 --> 00:07:15,910 Let's say 10. 155 00:07:15,905 --> 00:07:18,745 So we get 20, We spent ten. 156 00:07:18,740 --> 00:07:21,620 And finally, let's create a debug. 157 00:07:21,620 --> 00:07:26,940 Oh, we forgot this debug. 158 00:07:29,350 --> 00:07:37,760 I have current Bitcoins 159 00:07:37,760 --> 00:07:42,020 plus equals bitcoins. 160 00:07:42,020 --> 00:07:44,840 And obviously we'll be setting all of this in the UI, 161 00:07:44,840 --> 00:07:46,430 but for now we save, 162 00:07:46,430 --> 00:07:49,880 we go into our game. 163 00:07:49,880 --> 00:07:51,410 I think everything is good. 164 00:07:51,410 --> 00:07:53,560 So we set everything up. 165 00:07:53,555 --> 00:07:56,665 The current coins are always going to start at 0. 166 00:07:56,660 --> 00:07:58,880 So we start the game. There we go. 167 00:07:58,880 --> 00:08:00,140 I have 0 Bitcoins, 168 00:08:00,140 --> 00:08:01,660 so I'm going to get, 169 00:08:01,655 --> 00:08:03,745 get, get, get, there you go. 170 00:08:03,740 --> 00:08:06,080 And then I'm going to spend, spend, spend, spend, 171 00:08:06,080 --> 00:08:07,340 spends, but spend, spend, 172 00:08:07,340 --> 00:08:08,980 and as you can see, 173 00:08:08,975 --> 00:08:11,965 we cannot go less than 10 Whenever I 174 00:08:11,960 --> 00:08:14,930 tried to spend 10 because I only have 10. 175 00:08:14,930 --> 00:08:16,820 And this is something that we will need to 176 00:08:16,820 --> 00:08:19,280 keep in mind if it's less than or equal, 177 00:08:19,280 --> 00:08:22,660 if we set it to less than or equal than 0. 178 00:08:22,655 --> 00:08:24,745 Actually, I think that's a good idea. 179 00:08:24,740 --> 00:08:26,720 So now we can actually spend what we 180 00:08:26,720 --> 00:08:28,630 have problem in here, 181 00:08:28,625 --> 00:08:30,805 Is that, okay, Sorry. 182 00:08:30,800 --> 00:08:34,330 This is how we said the less than or equal. 183 00:08:34,325 --> 00:08:36,925 So there is something that we will need to keep in 184 00:08:36,920 --> 00:08:39,320 mind and that whenever we are spending, 185 00:08:39,320 --> 00:08:41,840 we actually need to have these coins with us. 186 00:08:41,840 --> 00:08:43,640 But this is something I believe will be 187 00:08:43,640 --> 00:08:46,960 handled later on by the Sharp script. 188 00:08:46,955 --> 00:08:48,685 So in here, let's see, 189 00:08:48,680 --> 00:08:50,630 I spend, spend, spend, spend. 190 00:08:50,630 --> 00:08:52,730 Okay, that's still not working. 191 00:08:52,730 --> 00:08:53,930 Hey, welcome back. 192 00:08:53,930 --> 00:08:57,740 So it was totally something very simple. 193 00:08:57,740 --> 00:08:59,810 When we have the collapse right here, 194 00:08:59,810 --> 00:09:01,430 you can see that we start off at 0, 195 00:09:01,430 --> 00:09:02,900 20, 40, and et cetera. 196 00:09:02,900 --> 00:09:05,140 But when I start spending, 197 00:09:05,135 --> 00:09:08,305 when I get to 0, it's already here so it doesn't show up. 198 00:09:08,300 --> 00:09:09,680 And the messages I can 199 00:09:09,680 --> 00:09:11,480 show you if we remove the collapse. 200 00:09:11,480 --> 00:09:15,530 So every single line is not maximize on play, please. 201 00:09:15,530 --> 00:09:17,120 If I click in here, 202 00:09:17,120 --> 00:09:19,490 so now you can see that when I hit the gigi, 203 00:09:19,490 --> 00:09:22,310 gigi, 120, sell, sell, 204 00:09:22,310 --> 00:09:23,510 sell, sell, sell, sell. 205 00:09:23,510 --> 00:09:25,280 There we go. Everything is working. 206 00:09:25,280 --> 00:09:28,120 So it wasn't because of the less than or equal, 207 00:09:28,115 --> 00:09:30,985 it was actually our inability to see it. 208 00:09:30,980 --> 00:09:32,560 So I hope you enjoy it. 209 00:09:32,555 --> 00:09:34,105 Make sure to commit your changes. 210 00:09:34,100 --> 00:09:35,300 And I'll see you in 211 00:09:35,300 --> 00:09:38,500 the next video where we will be actually picking 212 00:09:38,495 --> 00:09:40,465 up the bitcoins and not just adding 213 00:09:40,460 --> 00:09:42,940 them using magic keys on the keyboard. 214 00:09:42,935 --> 00:09:44,885 So see you then.