Unique Tile Remover

Python script which reducing amount of unique tiles in image (useful for retro development)

Comparison

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How to use

1. Download python script
2. Put your image in script folder, and rename it to map.png
3. Change quality in python script of reducer.reduceTilesetSizeBySimilarity(0.3) for your needs (value from 0.2 to 1.0)
4. Run script, result will be in result.png file, in script folder

How it works

1. Generating tileset from image
2. Generating tilemap from image (2D array)
3. Generating reduced tileset according to this formula: tile_size = cell_size*quality
4. Comparing every tile with every tile in reduced tileset, if tiles are equal, then merging tiles. Merged tile putting from reduced tileset to original tileset
5. Recreating image back, from tileset and tilemap.
6. Done