The Broken Hourglass Weekly Update

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Written by BuckGB on April 23rd, 2007

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There are a number of engine functions which govern the spending of experience points on character abilities. _attribute_upgrade causes a character to spend XP to purchase points in a valid skill or attribute, while _toggle_trait adds a trait to that character. Supporting functions like _can_toggle_trait (to ensure that there are no unmet prerequisites for the trait) and _attribute_upgrade_cost can help us determine whether the purchases we want to make are possible.

But rather than reinvent the wheel and apply this logic every single time a character levels up, we have a function which performs the skill buying and experience bookkeeping automatically. This makes the creation of a new level path extremely easy by following just a few simple rules.

The function is called _generic_level_path and its arguments are listed below:


_generic_level_path

buyer : thing ->
max_num_of_traits : int ->
trait_percentage : int ->
non_trait_percentage : int ->
trait_list : string list ->
non_trait_list : string * int list ->
unit


While this may look daunting, the arguments are in fact quite simple to understand and all of them are easily identifiable as part of the leveling process.

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