#:use-module (gacela gl)
#:use-module (gacela ftgl)
#:use-module (gacela math)
+ #:use-module (gacela utils)
#:use-module (ice-9 optargs)
#:use-module (ice-9 receive)
#:export (init-video
progn-textures
draw
load-texture
+ load-texture-without-cache
get-texture-properties
draw-texture
draw-line
set-camera
camera-look
load-font
+ load-font-without-texture
render-text)
#:export-syntax (glmatrix-block))
(else (let ((zoomx (/ (+ width 0.5) old-width)) (zoomy (/ (+ height 0.5) old-height)))
(zoomSurface surface zoomx zoomy 0))))))
-(define* (load-texture filename #:key (min-filter GL_LINEAR) (mag-filter GL_LINEAR))
+(define* (load-texture-without-cache filename #:key (min-filter GL_LINEAR) (mag-filter GL_LINEAR))
(progn-textures
(receive
(image real-w real-h) (load-image-for-texture filename)
(set-texture-size! texture real-w real-h)
texture))))))
+(define load-texture (use-cache-with load-texture-without-cache))
+
(define (get-texture-properties texture)
`((width . ,(texture-w texture)) (height . ,(texture-h texture))))
-(define* (draw-texture texture #:optional (zoom 1))
+(define* (draw-texture texture #:key (zoom 1) (sprite '((0 0) (1 1))))
(cond (texture
(let ((width (texture-w texture))
(height (texture-h texture)))
- (draw-rectangle (* zoom width) (* zoom height) #:texture texture)))))
+ (draw-rectangle (* zoom width (- (caadr sprite) (caar sprite)))
+ (* zoom height (- (cadadr sprite) (cadar sprite)))
+ #:texture texture
+ #:texture-coord sprite)))))
(define* (draw-line length #:optional color)
(let ((l (/ length 2)))
(else
(draw (list 0 l) (list 0 (- l)))))))
-(define* (draw-quad v1 v2 v3 v4 #:key texture color)
+(define* (draw-quad v1 v2 v3 v4 #:key texture color (texture-coord '((0 0) (1 1))))
(cond (texture
(progn-textures
(glBindTexture GL_TEXTURE_2D texture)
(begin-draw 4)
- (draw-vertex v1 #:texture-coord '(0 0))
- (draw-vertex v2 #:texture-coord '(1 0))
- (draw-vertex v3 #:texture-coord '(1 1))
- (draw-vertex v4 #:texture-coord '(0 1))
+ (draw-vertex v1 #:texture-coord (car texture-coord))
+ (draw-vertex v2 #:texture-coord (list (caadr texture-coord) (cadar texture-coord)))
+ (draw-vertex v3 #:texture-coord (cadr texture-coord))
+ (draw-vertex v4 #:texture-coord (list (caar texture-coord) (cadadr texture-coord)))
(glEnd)))
(color
(with-color color (draw v1 v2 v3 v4)))
(else
(draw v1 v2 v3 v4))))
-(define* (draw-rectangle width height #:key texture color)
+(define* (draw-rectangle width height #:key texture color texture-coord)
(let ((w (/ width 2)) (h (/ height 2)))
(draw-quad (list (- w) h 0)
(list w h 0)
(list w (- h) 0)
(list (- w) (- h) 0)
#:texture texture
+ #:texture-coord texture-coord
#:color color)))
(define* (draw-square #:key (size 1) texture color)
;;; Text and fonts
-(define* (load-font font-file #:key (size 40) (encoding ft_encoding_unicode))
+(define* (load-font-without-cache font-file #:key (size 40) (encoding ft_encoding_unicode))
(let ((font (ftglCreateTextureFont font-file size)))
(ftglSetFontFaceSize font size 72)
(ftglSetFontCharMap font encoding)
font))
+(define load-font (use-cache-with load-font-without-cache))
+
(define* (render-text text font #:key (size #f))
(cond (size
(cond ((not (= (ftglGetFontFaceSize font) size))