A plugin for Hearthstone Deck Tracker that helps drafting Hearthstone arena decks.
Arena Helper is a plugin for Hearthstone Deck Tracker that helps drafting Hearthstone arena decks by showing an overlay with card values from a tier list. The plugin tries to detect the arena heroes and card choices. Detected cards are displayed alongside the value of the card, that is specified in The Lightforge: Hearthstone Arena Tier List. The created deck can be saved to Hearthstone Deck Tracker. Check out the How To Install guide below to download and install the plugin.
Arena Helper uses HearthMirror to extract the hero and card data from Hearthstone. Older versions of the plugin used perceptual hashing to detect the Hearthstone arena heroes and cards. The technique is based on the article Looks Like It. Implementation details of a similar project can be found here: Hearthstone Image Recognition.
More technical information about how the plugin used image recognition and how it calculated the perceptual hashes can be found in my article Arena Helper.
The Lightforge Arena Tier List which is used in Arena Helper was shut down by the creators, as a result there will be no more tier list updates.
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Arena Helper has support for plugins within the plugin. Plugins allow you to use the card detection system while drafting a Hearthstone arena deck for your own purposes. It also allows you to override the tier list values and can present an advice to the player. Check out my article How To Write Plugins For Arena Helper to read a tutorial on how to create such a plugin. If you want to see how it works immediately, you can find a TestPlugin project in the latest source code. If you have made a plugin and want to be featured on this page, contact me.
%AppData%/HearthstoneDeckTracker/PluginsTo find this directory, you can click the following button in the Hearthstone Deck Tracker options menu:
Options -> Tracker -> Plugins -> Plugins Folder
Options -> Tracker -> Plugins.
When you start a new arena run, open up the Arena Helper window from the plugins menu. Arena Helper will try to detect the arena window and the heroes that can be chosen.
The plugin has detected the heroes. Select a hero.
When you see that a detected hero becomes bigger in the Arena Helper window, you can confirm your selection.
If hero detection doesn't work, you can use the manual hero selection override by clicking on the top-left portrait rectangle.
Wait for the plugin to finish detecting the cards.
Arena Helper has detected the cards and displays the value from The Lightforge: Hearthstone Arena Tier List in the window and the overlay.
All cards are picked. The deck can be saved to Hearthstone Deck Tracker, without needing to use the Import function. The Arena Helper window can be closed. Make sure to check the deck for errors, because sometimes detection is not flawless.
All arena decks are saved in the AppData directory: HearthstoneDeckTracker\ArenaHelper\Decks If the plugin made a mistake, you can override or reset the cards and card picks manually by editing the .json files in the decks directory. The position of the Arena Helper window is saved automatically in a config file.