Using them can result in much shorter code, and they handle a lot of problems internally already. The first few chapters show you, how to use the basic AI functions by themselves, later chapters incorporate custom functions I added to make my life easier. This tutorial does have a couple of seemingly redundant chapters, the same functionality is coded in multiple different ways. It is possible to rename or remove AI decks, so the random deck option does not use those decks. You may also select the 'Random Deck' option, the AI will then use a random 'AI_'- prefixed deck. These decks are prefixed with the 'AI_' prefix to indicate, that the AI can use them. That is why there are specific decks scripted into the ai file. Target selection for effects will be random, so the AI will usually search or target the wrong cards with its effects. However, if any card is not specifically scripted into the AI, it will usually just be activated whenever possible. In theory, the AI can use any deck you make for it. As of the AI script version 0.26, this file is obsolete and can be deleted, the standard AI file handles the Exodia deck from now on. 'a', an AI file to be used with the AI_Exodia deck. 'a', the same as 'ai.lua', except the AI gets some benefits The deck has to be located in your 'deck' folder of YGOPro, the script file sits in the 'ai' subfolder. Now you can select a deck and a script file for the AI to use. You can modify some rulings and duel settings in the following screen, then press 'OK'. You can play a game against the YGOPro AI by starting YGOPro, then selecting the 'AI Mode (beta)' button.

AI scripting isn't exactly user-friendly :D Prerequisites are rudimentary knowledge of Lua and/or programming languages in general, and a lot of patience. The first few sections are tailored towards beginners, while the later sections cover a little more in-depth stuff, as well as how to integrate your own deck into the standard AI. This tutorial explains, how to create or modify an AI script for YGOPro.

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