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This set indicates that four (4) specific recipes are available (note that there are 5 bits; there is no information on why there is an extra bit at this time). Also note that the bitset is unique for each tradeskill; a recipe denoted by bit N in one tradeskill is not the same as a recipe denoted by bit N in another tradeskill. | This set indicates that four (4) specific recipes are available (note that there are 5 bits; there is no information on why there is an extra bit at this time). Also note that the bitset is unique for each tradeskill; a recipe denoted by bit N in one tradeskill is not the same as a recipe denoted by bit N in another tradeskill. | ||
The bitset is encoded into standard Base64, using the characters A-Z, a-z, 0-9, +, and /. Being Base64, there are 6 bits per digit (similar to how hexadecimal has 4 bits per digit); this allows one to easily determine if a specific bit is set by looking only at a single digit in the string. | The bitset is encoded into standard [http://www.hcidata.info/base64.htm Base64], using the characters A-Z, a-z, 0-9, +, and /. Being Base64, there are 6 bits per digit (similar to how hexadecimal has 4 bits per digit); this allows one to easily determine if a specific bit is set by looking only at a single digit in the string. | ||
TODO: Document bitfield ordering, perhaps by looking at [http://www.wowinterface.com/downloads/info10316-TradeLinks.html Maldivia's TradeLinks addon] | TODO: Document bitfield ordering, perhaps by looking at [http://www.wowinterface.com/downloads/info10316-TradeLinks.html Maldivia's TradeLinks addon] | ||
== Bitsets to Spell IDs == | |||
To convert a bitset to a list of known skill spell IDs, look in [http://wiki.nibbits.com/wiki/SkillLineAbility.dbc SkillLineAbility.dbc]. Get the lines for your given SkillLineID (column 2), then sort numerically by minSkillLineRank (column 8) ascending, then by SkillLineAbilityID (column 1) ascending. Your spell IDs are in order in column 3, and a set bit in your bitstring corresponds to knowing the spell ID in that position. Column positions are accurate as of this writing (Patch 3.3.3) but may change in future patches. | |||
== Bit Maps == | == Bit Maps == | ||
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* [http://www.wowinterface.com/downloads/info10316-TradeLinks.html Maldivia's TradeLinks addon] can create custom tradelinks. | * [http://www.wowinterface.com/downloads/info10316-TradeLinks.html Maldivia's TradeLinks addon] can create custom tradelinks. | ||
* [http://wow.curse.com/downloads/wow-addons/details/gnomishyellowpages.aspx Gnomish Yellow Pages] provides examples with full bitmaps, and stores data based on bitmap. | * [http://wow.curse.com/downloads/wow-addons/details/gnomishyellowpages.aspx Gnomish Yellow Pages] provides examples with full bitmaps, and stores data based on bitmap. | ||
* [http://www.lastcallguild.com/forums/last-call-forums/general-chat/decode-wow-tradeskilllink-recipe-list-c C# TradeSkillList Recipe List Decode] forum post showing example code in C# to decode recipe list. | |||
* [http://www.wowtradeshare.com/ WowTradeShare] is a website where players can post and search tradelinks collected by the TradeShare addon. | |||