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Features

• Easily rename classes, fields, and methods by clicking on them
  • The selected item will display as editable text-fields above the code-area
• Syntax highlighted source code (Decompiled with CFR) powered by RichTextFX
• Easy to browse source
  • When an item is selected (indicated by the text-fields above the code-area) you can press N to navigate to the declared item.
    • Immediately jump to methods and fields, even in other classes
    • Press Backspace to return to where you came from
• Simple, clean UI
  • A comfortable dark theme to keep those eyes from going blind at 2AM
  • Looking for something? Control + F in the code-area to look for some text
• Simple undo/redo functionality with Control + Z / Control + Y

How to use

First off, the UI is almost entierly keybind-driven, so learning the following binds will be important:

• Global keybinds
  • Control + N Open a jar file
  • Control + O Open mappings file
  • Control + E Export jar file (mappings are applied to output)
  • Control + S Save mappings to file (Json)
  • Control + Z Undo mapping change
  • Control + Y Redo mapping change
• Editor pane keybinds
  • N Navigate to selected item
  • Backspace Go to last item

Loading a file

1. Run the jar (JRemapper-2.x.x)
2. Drop your jar file into the left-panel, or use the Open file keybind (Control + N)
3. Select a class file from the tree menu on the left to begin editing

Renaming a class

1. In the code-area, select the class name. A text-field should appear above the code-area.
2. Type the new name in the text-field
3. Press Return or Enter

Renaming a field or method

1. In the code-area, select the member name. Multiple text fields should appear above the code-area.
   • The first field shows the class that holds the member declaration.
   • The second field shows the member's name
   • The third field shows the member's type (Not editable, shown for verification purposes)
2. Type the new name in the member-name field (2nd)
   • You can also edit the member's owner (1st field) this way
3. Press Return or Enter

Saving your progress

1. Create some mappings by renaming classes and members
   • Option 1-Mappings: Use the save-mappings keybind (Control + S)
   • Option-2-Jar: Use the save-jar keybind (Control + E)
2. Select a file-name to save to in the file-selection prompt.
3. Hit OK