numbers

main.scm

@@ -37,6 +37,8 @@
      (set-color-a! c a)
      c]))
 
+(define WHITE (color 255 255 255 255))
+
 ;; (define c (color 1 2 3 4))
 ;; (display (list (color-r c) (color-g c) (color-b c) (color-a c)))
 
@@ -214,11 +216,13 @@
 
 (define *skin-paths* '("./skins" "."))
 
+; could be fun to do weird stuff with skins (randomly choosing, &c)
+
 (define (load-skin filename)
   (define path
     (find file-exists?
-	 (map (lambda (p) (string-append p "/" filename))
-	      *skin-paths*)))
+	  (map (lambda (p) (string-append p "/" filename))
+	       *skin-paths*)))
   (unless path
     (error
      'load-skin
@@ -227,25 +231,36 @@
       (with-output-to-string (lambda () (write *skin-paths*))))))
   (load-texture path))
 
+(define skin-width  144)
+(define skin-height 122)
+
+(define number-rects
+  (let ([width (/ skin-width 9)])
+    (list->vector
+     (map (lambda (n)
+	    ; the bottom and right sides are 1 pixel shy, it works out
+	    (rectangle (* n width) 0 width width))
+	  (iota 9)))))
+
+(define (blit-number skin n pos)
+  (let ([rect (vector-ref number-rects n)])
+    (draw-texture-rec skin rect pos WHITE)))
 
 (define (main)
   (init-window 100 100 "hello")
   (set-target-fps 60)
 
-  (let ([skin (load-texture "skins/xp-flowers.bmp")])
-    (display skin)
-    (newline)
+  (let ([skin (load-skin "xp-flowers.bmp")])
+    ;; (display skin)
+    ;; (newline)
 
-    ; with the actual game, we probably don't have to draw every time
+; with the actual game, we probably don't have to draw every time
     (until (window-should-close?)
 	   (with-draw
-	    (clear-background (color 245 245 245))
-	    (draw-texture-rec skin (rectangle 0 0 100) (vector2 0 0) (color 255 255 255))
-	    (draw-fps 0 0)
-	    (draw-text "wow awesome" 0 20 20 (color 0 0 0))))
-
+	    (clear-background (color 0 0 0 0))
+	    (for-each (lambda (n)
+			(blit-number skin n (vector2 (* 10 n) (* 10 n))))
+		      (iota 9))))
     (unload-texture skin)
     (close-window)))
 
-(main)
-