125 lines
4.9 KiB
Plaintext
125 lines
4.9 KiB
Plaintext
Smeargle 0.7.0 readme
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---------------------
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Usage: smeargle.py game.json
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game.json is a file which follows the Game JSON format outlined below.
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Output
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------
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Smeargle outputs three files per script, at present:
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* <script>_raw.png is the undeduplicated rendering of the script with the
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specified font.
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* <script>_compressed.png deduplicates tiles to provide the most compact
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rendering of the font without delving into actual compression algorithms.
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* <script>_index.txt provides a mapping of deduplicated tiles to the original
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text.
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These filenames can be configured on an individual script basis; see game.json
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documentation below.
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game.json format
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----------------
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The following format MUST be observed, or you will not get the output you want.
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Remove '//' and everything following it in each line if you plan to cop/paste
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this example for your own use. Do not leave a trailing comma on the final entry
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in each object or array.
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{
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"name": "Example", // The name of the game, for reference.
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"fonts": {
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"Melissa 8": "melissa8.json" // Font name and its filename.
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}, "scripts": {
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"test.txt": { // Script filename.
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"font": "Melissa 8", // Reference to the font table, above.
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"max_tiles_per_line": 8, // Optional: set to 0 for unlimited tiles.
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"min_tiles_per_line": 0, // Optional: Non-zero enforces a minimum tile-wise width.
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"output_format": "thingy", // Optional: Output format for tilemap. "thingy", "atlas"
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"leading_zeroes": true, // Optional: Forces 16-bit tilemap output (i.e. 0x0012 instead of 0x12)
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"tile_offset": 256, // Optional: Constant to add to tile index (first tile: 0x0000 + 256 = 0x0100)
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"raw_fn": "ex_raw.png", // Optional: Output filename for raw graphic tile data.
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"deduped_fn": "ex_comp.png", // Optional: Output filename for deduped tile data.
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"tilemap_fn": "example.tbl" // Optional: Output filename for tilemap text.
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}
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}
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}
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font.json format
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----------------
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The following format MUST be observed, or you will not get the output you want.
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Remove '//' and everything following it in each line if you plan to copy/paste
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this example for your own use. Do not leave a trailing comma on the final entry
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in each object or array.
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{
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"font_name": "Example", // Human-readable, not currently used
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"filename": "example.png", // Filename of the font (PNG)
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"bits_per_pixel": 2, // Depth in bits; 2**n is color count
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"width": 8, // Width of a given tile
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"height": 8, // Height of a given tile
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"palette": [ // A list of colors.
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'00bbbb', // A color in hex format.
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[0, 0, 0] // A color in R,G,B format.
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],
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"map": { // character -> index & width
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" ": {"index": 115, "width": 4}, // Must be a blank tile somewhere
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}
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}
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The first color in the palette is assumed to be the background color.
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porygon.py
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----------
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Usage: porygon.py image format
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This script converts the image into the target format. Run porygon.py without
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arguments to see what formats are available.
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Changelog
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---------
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0.7.0
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* Add an optional argument to script JSON:
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** min_tiles_per_line: enforce a minimum tile count per line.
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* Split classes out to separate files.
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* Add girafarig, a simple script for interpolating 1bpp graphics.
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0.6.0
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* Adds several optional arguments to script json elements:
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** output_format: determines how the tilemap text file gets rendered. Possible
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values are "atlas", "thingy", null
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** leading_zeroes: Forces tilemap output to always be 16-bit.
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** tile_offset: Adds a constant value to the tile index. Useful if you want the
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tilemap to start counting somewhere other than zero.
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** raw_fn: Filename for raw tile graphic png output.
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** deduped_fn: Filename for compressed tile graphic png output.
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** tilemap_fn: Filename for text index tilemap file.
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0.5.0
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* Introduce a master 'game.json' file in order to enable batch processing, for
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games which use multiple scripts that have different fonts or rendering
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requirements.
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* Emit an error if no arguments are given.
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0.4.0
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* A complete rewrite of Smeargle to make it more modular.
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* Implemented a palette feature in order to ensure strict palette ordering in
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the output images.
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0.3.3
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* Added support for palette maps. Format is, one per line, 'n=m', where n and
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m must be integers within the colour range for the format.
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0.3.2
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* Added Linear 4 bits-per-pixel format.
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0.3.1
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* Make supported formats actually work.
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0.3.0
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* Added porygon.py script. Linear 1 & 2 and planar 2 bits-per-pixel formats
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are supported.
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0.2.2
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* Removed binary output. It wasn't emitting anything actually useful to anyone.
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* Emit index map as hex.
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