WL4Editor GBA

Wario Land 4 Editor is an open source program for WL4 ROM hacking and Level Editing.

User guide

Wario Land 4 Editor tutorial : Entityset editor & custom sprites (Blanchon Ultime)

Wario Land 4 Editor tutorial : Tileset editor & custom graphics (Blanchon Ultime)

Wario Land 4 Editor tutorial : Getting started, layer, entity, door and camera modes (Blanchon Ultime)

0.16.1

(major changes)

the WL4ditor will now open the Room where you hit save last time.
Change the API container object name from "interface" to "WL4EditorInterface" due to js reserved keywords will cause Error when put them inside classes
support bgm name customization in project configuration json file.
support customizing entities' oam data in project configuration json file to change their graphics in the WL4Editor.
Add "CurrentRoomHintLayer" as a new js object to draw custom rectangle, line and text on the hint layer of the current Room. the new APIs under this object include: GetAutoGeneratedHintLayer(), GetblankHintLayer(), drawRect(...), drawLine(...), drawText(...) and SubmitHintLayer().
Support custom hint render by js script, you can config the js file path in the project setting json file.

(minor changes)

Add spinbox to the main window to let users set current Room ID directly.
support editing Layer 2 mapping type value in Room Config Dialog.
Modify the logic of 2 script API functions GetFitnessJoinTile16_XX(), they can at least work this time, but only work like some helper functions. you cannot use it to directly check if 2 Tile16s have joinable edges since it's hard to implement edge cases.
Add API: void interface.DoEvents(), which does something similar to the DoEvents() in VB.
Add the "Abort" button for the js script output window. if you contains the interface.DoEvents() in your heavy logic, you can abort the running script.
Add API: String interface.GetCurRoomAllDoorsRangeData().
Add API: void interface.PrintEntityDefaultOAMData(int globalEntityId).
Fix pressing the Add (palette) button in the left panel of the Sprites Editor will crash the whole WL4Editor.
Add API: String interface.GetEntityListSource() to get the current entityset data of the current Door in the Room.

0.16.0 (major changes)

Add Wall Paints Editor.
Fix hookstring cannot be removed correctly if hook address and hookstring change at the same time.

(minor changes)

Now you can import a tileset with its vanilla background tileset from another ROM.
Add TileUtils object into the js script engine with its 3 member functions.
stop user from import 40 by 40 layer 3 in Graphic Manager.
let user to choose a ref palette when import tile data in Graphic Manager.

0.15.2

Major changes:

Fix random rom corruption after adding new Room then save changes, which is caused by logic conflict between the old "Add new Room" code and the new "old layer data invalidation" code after 0.14.X release.

Minor changes:

Add more script APIs: GetCurTilesetTile16EventId(...) and GetCurTilesetTile16TerrainType(...)..
Add "clean up unused forground Tile8x8" button to the Tileset Editor..
Add "find Tile16 by pal" button to the Tileset Editor..

0.15.1

Major changes:

Now you can use optional EntryFunctionSymbol identifier to set the entry function in every c patch file.

Minor changes:

Add the buttons to jump to the first, the last, the 0x10-th entity immediately in Entity Selector Dock Widget.
Fix undo or redo Tileset changes cannot keep the graphics of global animated tiles up to date.
Fix the UI logic of H-Flip and V-Flip when editing animated TIle8x8s in Tile16 set in Tileset Editor, they acts like swapped after accepting the editing.

0.15.0

Major changes:

Add Animated Tile Groups Editor.
Fix importing tileset from other rom will cause problem when opening Room Config Dialog.

Minor changes:

add 2 new API test functions "_ExtractSpriteOAMPackage(...)"
now you can import oam data with "0x" prefix and commas as separators in the data string when using "Reset All" *button in Oam Designer in the Sprites Editor to render sprites.
now bad palette number in oam data won't crash the WL4Editor when rendering sprites or oam data.