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graphics: MakeTiles: support layering two or more images together

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git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@705 d9718cc8-9f43-0410-858b-315f434eb58c
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jason@long.name 2013-06-26 13:12:52 +00:00
parent 57fd5c0847
commit 2e217755a3
2 changed files with 76 additions and 37 deletions
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20
graphics/HACKING.txt
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@ -1,3 +1,23 @@
===============
The Recipe File
===============
The `tiles.dat' file is the recipe file for generating the tiles.
It is a plain-text file, where each line begins with a tile id,
followed by an image specification.
The image specification consists of one or more image layers separated
by the pipe character (|). The layers are drawn in the order specified.
A layer is a file name (excluding the .png extension), optionally followed
by @X,Y,W,H, where X,Y specify the upper-left corner of the rectangle to
draw, and W,H specify the width and height of the rectangle to draw.
==============================
Generating the composite image
==============================
To build a new tiles.png file, do the following:
1. Open a command-prompt, and cd to the graphics subdirectory.