48 lines
1.6 KiB
Scheme
48 lines
1.6 KiB
Scheme
(define-module (game util assets)
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#:use-module (ice-9 ftw)
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#:use-module (ice-9 textual-ports)
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#:use-module (chickadee graphics texture)
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#:use-module (chickadee graphics color)
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#:export (assets-load assets-file-name tile-texture tile-atlas hero-texture hero-atlas assets-map-levels)
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)
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(define tile-texture #f)
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(define tile-atlas #f)
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(define hero-texture #f)
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(define hero-atlas #f)
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(define (assets-location)
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(pk "Assets location: "
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(if (current-filename)
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(string-append (dirname (current-filename)) "/../../assets")
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(or (getenv "ASSET_DIR") "." )))
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)
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(define (assets-file-name . names)
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"Return the full path of a file in the assets directory. The file is
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specified by a list of names, which are joined together. The
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ASSET_DIR environment variable can be used to specify a prefix to the
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asset directory."
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(string-append (assets-location) "/" (string-join names "/")))
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(define (read-level-map filename)
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(call-with-input-file filename get-string-all))
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(define (assets-map-levels f)
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(map f
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(map (lambda (filename)(assets-file-name "levels" filename))
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(scandir (assets-file-name "levels")
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(lambda (filename) (string-suffix? ".map" filename ))))))
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(define (assets-load-image filename)
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(load-image (assets-file-name "images" filename)))
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(define (assets-load)
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(set! tile-texture (assets-load-image "simples_pimples.png"))
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(set! tile-atlas (split-texture tile-texture 16 16))
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(set! hero-texture (assets-load-image "lr_penguin2.png"))
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(set! hero-atlas (split-texture hero-texture 32 32)))
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