MV - Subclass Skill Learn fix

This is a simple patch script that modifies the YEP_X_Subclass plugin to actually learn skills from your leveled up subclasses.

For some reason, in the base script, skills learned by a subclass via level up are never given to an actor with a subclass. However, if you unequip and then re-equip a subclass, any skills the subclass knows at the newly equipped level are given to the actor as normal.

Here's an example. Harold has a base class, Hero, and a subclass, Anti-Hero, and the subclass is set to learn an ice spell at level 2. Harold kills something worth enough experience to get his main class to level 4 (from 1), and his subclass goes up to level 2. When the level up message comes up on screen at the end of the battle, it will tell the player about skills learned from levels 2-4 of the main class, but seems to ignore the subclass entirely. Furthermore, if you go into the class change menu after the battle, you can see that his subclass indeed got to level 2, but going into the skills menu proves that he did not learn the ice skill as expected at anti-hero level 2.

It turns out, perhaps as a bug, but more likely an oversight, that subclasses are not checked on level up for skills learned via leveling. I have added a slight modification to the level up process to check subclasses for new skills on level up, which not only teaches them to the actor when leveling, but also announces that they learned the new skill as well.

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• Use this plugin in your free or commercial projects with credit to me, Ramza.
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