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Texture Packer for Game Development Using MaxRects Algorithm.

Note: The game assets used in this example were download from Grassland Tileset, thanks Clint Bellanger for made so many awesome game resources.

Contributing

Don't hesitate to make a pull request. All kinds of contribution are welcome.
Note: Please follow the coding style of the existed codes.

Building(Linux/OSX)

$ cd ./src
$ make

Building(Windows)

$ cd .\src
$ nmake -f Makefile.mak

Usage

usage: squeezerw [options] <sprite image dir>
    options:
        --width <output width>
        --height <output height>
        --allowRotations <1/0/true/false/yes/no>
        --border <1/0/true/false/yes/no>
        --outputTexture <output texture filename>
        --outputInfo <output sprite info filename>
        --infoHeader <output header template>
        --infoBody <output body template>
        --infoSplit <output body split template>
        --infoFooter <output footer template>
        --verbose
        --version
    format specifiers of infoHeader/infoBody/infoFooter:
        %W: output width
        %H: output height
        %n: image name
        %w: image width
        %h: image height
        %x: left on output image
        %y: top on output image
        %l: trim offset left
        %t: trim offset top
        %c: original width
        %r: original height
        %f: 1 if rotated else 0
        and '\n', '\r', '\t'

Example

$ cd ./src
$ make

$ ./squeezerw ../example/images --verbose --width 512 --height 256 --border 1 --outputTexture ../example/squeezer.png --outputInfo ../example/squeezer.xml

$ ./squeezerw ../example/images --verbose --width 512 --height 256 --border 1 --outputTexture ../example/squeezer.png --outputInfo ../example/squeezer.json --infoHeader "{\"textureWidth\":\"%W\", \"textureHeight\":\"%H\", \"items\":[\n" --infoFooter "]}" --infoBody "{\"name\":\"%n\", \"width\":\"%w\", \"height\":\"%h\", \"left\":\"%x\", \"top\":\"%y\", \"rotated\":\"%f\", \"trimOffsetLeft\":\"%l\", \"trimOffsetTop\":\"%t\", \"originWidth\":\"%c\", \"originHeight\":\"%r\"}" --infoSplit "\n,"

Licensing

Licensed under the MIT license except lodepng.c and lodepng.h.

Note: lodepng used in this project to decode and encode png format. For the license used in lodepng please visit lodepng directly.

References

  1. http://www.blackpawn.com/texts/lightmaps/
  2. http://clb.demon.fi/projects/more-rectangle-bin-packing
  3. http://wiki.unity3d.com/index.php?title=MaxRectsBinPack
  4. https://github.com/juj/RectangleBinPack
  5. http://opengameart.org/content/flare-weapon-icons-2