WoW:API GetTalentPrereqs: Difference between revisions

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WoW:API GetTalentPrereqs (source)

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+{{wowapi}}
-''Edit By : Zealic''
+Returns the tier and column of a talent's prerequisite, and if the talent is learnable.
-  -Function antetype :
+  tier, column, isLearnable = GetTalentPrereqs( tabIndex , talentIndex[, inspect] );
- prereqIconX , prereqIconY = GetTalentPrereqs( tabIndex , talentIndex );
- -Args:
+== Parameters ==
- Integer tabIndex    : Talent tab index,
- Integer talentIndex : Talent index,
- -Return:
+<big>'''Arguments'''</big>
- Integer prereqIconX : Prereq talent point X,
+<!-- List each argument, together with its type -->
- Integer prereqIconY : Prereq talent point Y,
+:(tabIndex, talentIndex)
- #if not Prereq return nil.
- -Example:
+:;tabIndex : Integer - Specifies which tab the talent is in.
- --if talent is Warlock
+:;talentIndex : Integer - Specifies which talent to check
- x, y = GetTalentPrereqs(1,14);-- return x = 3, y = 3
+::: 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.
-  emm...
+:;inspect : [[Boolean]] - If true returns the information for the inspected unit instead of  the player. New with 2.3.
- My english Name is '''Zealic''',come from China
-  Edit this Page at : 2005-08-11
+<big>'''Returns'''</big>
-  eMail : rszealic(at)gmail.com
+<!-- List each return value, together with its type -->
+:tier, column, isLearnable  <!-- remove this line if it's just one value -->
+:;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 ==
+<!-- If it helps, include an example here, though it's not required if the usage is self-explanatory -->
+For a Warrior, checks the prerequisites for the talent "Flurry":
+ local tier, column, learnable = GetTalentPrereqs(2,16)
+<big>'''Result'''</big>
+<!-- If it helps, include example results here, though they are not required. You're allowed to cheat liberally since WoW isn't a command line language. -->
+ 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))