WoW API: GetTalentPrereqs

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Returns the tier and column of a talent's prerequisite, and if the talent is learnable.

tier, column, isLearnable = GetTalentPrereqs( tabIndex , talentIndex[, inspect] );

Parameters

Arguments

(tabIndex, talentIndex)

tabIndex

Integer - Specifies which tab the talent is in.

talentIndex

Integer - Specifies which talent to check

Note: The talentIndex is counted as if it where a tree, meaning that the left most talent in the top most row is number 1 followed by the one immediate to the right is number 2, if there are no more talents to the right then it continues from the left most talent on the next row.

inspect

Boolean - If true returns the information for the inspected unit instead of the player. New with 2.3.

Returns

tier, column, isLearnable

tier

Integer - The tier that the prerequisite talent sits on

column

Integer - The Column that the prerequisite talent sits on

isLearnable

Integer - Returns 1 if you have the necessary prereqisites already, nil otherwise.

Example

For a Warrior, checks the prerequisites for the talent "Flurry":

local tier, column, learnable = GetTalentPrereqs(2,16)

Result

tier = 4
column = 3
learnable = 1 if you have 5/5 in Enrage, nil otherwise

Details

If you select a talent with no prerequisites, the whole function returns nil

The original code by Blizzard shows that possibly several prerequisites could exists, in which case other triplets of row, column, learnable values would be returned. Code to handle this would look like this :

local handle_prereqs = function (...)
  for i = 1, select("#", ...), 3 do
    local row, column, learnable = select(i, ...)
    <do something here>
  end
end
handle_prereqs(GetTalentPrereqs(tab, index))