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(define-library (raylib)
(export init-window close-window)
(export with-drawing begin-drawing end-drawing)
(export in-scissor-mode begin-scissor-mode end-scissor-mode)
(export in-texture-mode begin-texture-mode end-texture-mode)
(import (gambit))
(pkg-config "gl" "raylib")
;;; -------
;;; structs
;;; -------
(include "structs.scm")
;;; -------------------------
;;; Drawing-related functions
;;; -------------------------
(include "drawing.scm")
;;; ------------------------
;;; Timing-related functions
;;; ------------------------
(include "timing.scm")
;;; -----------------------------------------
;;; Input-related functions: keyboard & mouse
;;; -----------------------------------------
(include "input.scm")
;;; --------------
;;; rshapes module
;;; --------------
(include "shapes.scm")
;;; ---------------
;;; textures module
;;; ---------------
(include "texture.scm")
(begin
(c-declare "#include \"raylib.h\"")
;;; ------------------------
;;; Window-related functions
;;; ------------------------
;; Initialize window and OpenGL context
;; void InitWindow(int width, int height, const char *title);
(define init-window
(c-lambda (int int char-string) void
"InitWindow"))
;; Close window and unload OpenGL context
;; void CloseWindow(void);
(define close-window
(c-lambda () void "CloseWindow"))
(define window-sould-close
(c-lambda () bool "WindowShouldClose"))
(define draw-fps
(c-lambda (int int) void "DrawFPS"))
;;; MACROS
;;; hygienic drawing context (r7rs only!)
(define-syntax with-drawing
(syntax-rules ()
((with-drawing body ...)
(dynamic-wind
begin-drawing
(lambda () (begin body ...))
end-drawing))))
(define-syntax in-texture-mode
(syntax-rules ()
((with-drawing-to-texture (texture) body ...)
(dynamic-wind
(lambda () (begin-texture-mode texture))
(lambda () (begin body ...))
end-texture-mode))))
;;; less hygienic drawing context for R5RS
;; (define-macro (with-drawing . body)
;; `(dynamic-wind
;; begin-drawing
;; (lambda () (begin ,@body))
;; end-drawing))
;;; hygienic scissor-mode (r7rs only!)
(define-syntax in-scissor-mode
(syntax-rules ()
((in-scissor-mode (x y width height) body ...)
(dynamic-wind
(lambda () (begin-scissor-mode x y width height))
(lambda () (begin body ...))
end-scissor-mode))))
))
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