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parse from file and ignore empty lines

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This commit is contained in:
Peter Tillemans 2024-05-19 19:00:40 +02:00
parent dffd74cb8c
commit 484ef0ed56
2 changed files with 22 additions and 15 deletions
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2
assets/levels/level-1.map
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@ -18,7 +18,7 @@ W H W
W H W
W H W -
W H W
W P HBBBBBBB W
W P BHBBBBBBB W
W H W
W H W
W H W -

35
game/level.scm
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@ -1,6 +1,7 @@
(define-module (game level)
#:use-module (ice-9 match)
#:use-module (ice-9 pretty-print)
#:use-module (ice-9 textual-ports)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-64)
@ -36,12 +37,14 @@
(else 'empty)))
(define (content->lines content)
(map
(lambda (line)
(string-trim-right
(car (string-split line #\-))
#\space))
(string-split content #\newline)))
(filter (lambda (line) (not (string-null? line)))
(map
(lambda (line)
(string-trim-right
(car (string-split line #\-))
#\space))
(string-split content #\newline))))
(define (parse-lines lines)
(fold append
@ -52,12 +55,7 @@
lines)))
(define (parse-level content)
(let* ((lines (map
(lambda (line)
(string-trim-right
(car (string-split line #\-))
#\space))
(string-split content #\newline)))
(let* ((lines (content->lines content))
(width (string-length (car lines)))
(height (length lines))
(tiles (list->vector
@ -65,11 +63,15 @@
(entities '()))
(%make-level width height tiles #f #f entities)))
(define (parse-level-file filename)
(parse-level (call-with-input-file filename get-string-all)))
(test-begin "level")
(test-assert (level? (parse-level "WWWWW\nWP GW\nWWWWW\n")))
(test-assert (level-width (parse-level "WWWWW\nWP GW\nWWWWW\n")) 5)
(test-assert (level-height (parse-level "WWWWW\nWP GW\nWWWWW\n")) 3)
(test-equal (level-width (parse-level "WWWWW\nWP GW\nWWWWW\n")) 5)
(test-equal (level-height (parse-level "WWWWW\nWP GW\nWWWWW\n")) 3)
(test-equal (level-tiles (parse-level "W")) #(wall))
(test-equal
(level-tiles (parse-level "WWWWW\nWP GW\nWWWWW\n"))
@ -78,6 +80,8 @@
(level-tiles (parse-level "--- ignore this line\nWWWWW\nWP GW - must be ignored\nWWWWW\n"))
#(wall wall wall wall wall wall player empty goal wall wall wall wall wall wall))
(test-equal (content->lines "WWWWW\nWP GW\nWWWWW\n") '("WWWWW" "WP GW" "WWWWW"))
(test-equal (parse-tile #\W) 'wall)
(test-equal (parse-tile #\B) 'brick)
(test-equal (parse-tile #\H) 'ladder)
@ -86,4 +90,7 @@
(test-equal (parse-tile #\G) 'goal)
(test-equal (parse-tile #\space) 'empty)
(test-equal (level-width (parse-level-file "assets/levels/level-1.map")) 40)
(test-equal (level-height (parse-level-file "assets/levels/level-1.map")) 24)
(test-end "level")