imugi/engine/resource.scm
2026-05-17 13:40:18 +08:00

48 lines
1.3 KiB
Scheme

(module (imugi resource) ()
(import scheme
(chicken base)
(chicken module)
(chicken gc)
raylib
(srfi 69)
(engine core))
(export font)
(define fonts (make-hash-table))
(define (font filename)
(assert (string? filename))
(if (hash-table-exists? fonts filename)
(hash-table-ref fonts filename)
(let ((f (make-resource 'font '()
#f
(lambda (res)
(set-resource-contents! res (load-font filename))
(set-resource-initialized! res #t))
(lambda (res)
(hash-table-delete! fonts filename)
(unload-font (resource-contents res))
(set-resource-initialized! res #f)))))
(hash-table-set! fonts filename f)
f)))
(export texture)
(define textures (make-hash-table))
(define (texture filename)
(assert (string? filename))
(if (hash-table-exists? textures filename)
(hash-table-ref textures filename)
(let ((t (make-resource 'texture '()
#f
(lambda (res)
(set-resource-contents! res (load-texture filename))
(set-resource-initialized! res #t))
(lambda (res)
(hash-table-delete! textures filename)
;; TODO: uncomment this when possible
;; (unload-texture (resource-contents res)) ; at time of writing, this is not yet in the raylib egg
(set-resource-initialized! res #f)))))
(hash-table-set! textures filename t)
t)))
)