X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgacela.scm;h=7fb242fdb94561afce498a328e8629105bed7e03;hb=52af2b21c93a97e9ff5b8a22d0ba5df2cba766ec;hp=86c46053fd468dc3b134ccf7186ad2710ced04cc;hpb=62f29c535971a4af5c4a957444a53eb6007b32e3;p=gacela.git

diff --git a/src/gacela.scm b/src/gacela.scm
index 86c4605..7fb242f 100644
--- a/src/gacela.scm
+++ b/src/gacela.scm
@@ -1,5 +1,5 @@
 ;;; Gacela, a GNU Guile extension for fast games development
-;;; Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
+;;; Copyright (C) 2013 by Javier Sancho Fernandez <jsf at jsancho dot org>
 ;;;
 ;;; This program is free software: you can redistribute it and/or modify
 ;;; it under the terms of the GNU General Public License as published by
@@ -16,139 +16,46 @@
 
 
 (define-module (gacela gacela)
-  #:use-module (gacela events)
-  #:use-module (gacela video)
-  #:use-module (gacela audio)
-  #:use-module (ice-9 optargs)
-  #:export (load-texture
-	    load-font
-	    set-game-properties!
-	    get-game-properties
-	    init-gacela
-	    quit-gacela
-	    game-loop
-	    game-running?
-	    set-game-code)
-  #:export-syntax (game)
-  #:re-export (get-current-color
-	       set-current-color
-	       with-color
-	       progn-textures
-	       draw
-	       draw-texture
-	       draw-line
-	       draw-quad
-	       draw-rectangle
-	       draw-square
-	       draw-cube
-	       translate
-	       rotate
-	       to-origin
-	       add-light
-	       set-camera
-	       camera-look
-	       render-text))
+  #:use-module (gacela system)
+  #:use-module (ice-9 threads)
+  #:use-module (srfi srfi-1))
 
 
-;;; Resources Cache
+;;; Entities and components
 
-(define resources-cache (make-weak-value-hash-table))
+(define entities-mutex (make-mutex))
+(define game-entities '())
+(define game-components '())
 
-(define (from-cache key)
-  (hash-ref resources-cache key))
 
-(define (into-cache key res)
-  (hash-set! resources-cache key res))
+(define (entity . components)
+  (with-mutex entities-mutex
+   (let ((key (gensym)))
+     (set! game-entities
+	   (acons key
+		  (map (lambda (c) (list (get-component-type c) c)) components)
+		  game-entities))
+     (set! game-components (register-components key components))
+     key)))
 
-(define-macro (use-cache-with module proc)
-  (let* ((pwc (string->symbol (string-concatenate (list (symbol->string proc) "-without-cache")))))
-    `(begin
-       (define ,pwc (@ ,module ,proc))
-       (define (,proc . param)
-	 (let* ((key param)
-		(res (from-cache key)))
-	   (cond (res
-		  res)
-		 (else
-		  (set! res (apply ,pwc param))
-		  (into-cache key res)
-		  res)))))))
 
-(use-cache-with (gacela video) load-texture)
-(use-cache-with (gacela video) load-font)
+(define* (register-components entity components #:optional (clist game-components))
+  (cond ((null? components) clist)
+	(else
+	 (let* ((type (get-component-type (car components)))
+		(elist (assoc-ref clist type)))
+	   (register-components entity (cdr components)
+	     (assoc-set! clist type
+	       (cond (elist
+		      (lset-adjoin eq? elist entity))
+		     (else
+		      (list entity)))))))))
 
 
-;;; Game Properties
+(define (get-entity key)
+  (with-mutex entities-mutex
+   (assoc key game-entities)))
 
-(define title "Gacela")
-(define width-screen 640)
-(define height-screen 480)
-(define bpp-screen 32)
-(define frames-per-second 20)
-(define mode '2d)
 
-(define* (set-game-properties! #:key title width height bpp fps mode)
-  (if title
-      (set-screen-title! title))
-  (if bpp
-      (set-screen-bpp! bpp))
-  (if (or width height)
-      (begin
-	(if (not width) (set! width (get-screen-width)))
-	(if (not height) (set! height (get-screen-height)))
-	(resize-screen width height)))
-  (if fps
-      (set-frames-per-second fps))
-  (if mode
-      (if (eq? mode '3d) (set-3d-mode) (set-2d-mode)))
-  (get-game-properties))
-
-(define (get-game-properties)
-  `((title . ,(get-screen-title)) (width . ,(get-screen-width)) (height . ,(get-screen-height)) (bpp . ,(get-screen-bpp)) (fps . ,pfps) (mode . ,pmode)))
-
-
-;;; Main Loop
-
-(define loop-flag #f)
-(define game-code #f)
-
-(define-macro (game . code)
-  `(let ((game-function ,(if (null? code)
-			     `(lambda () #f)
-			     `(lambda () ,@code))))
-     (set-game-code game-function)
-     (cond ((not (game-running?))
-	    (game-loop)))))
-
-(define (init-gacela)
-  (call-with-new-thread (lambda () (game))))
-
-(define (quit-gacela)
-  (set! loop-flag #f))
-
-(define (game-loop)
-;	  (refresh-active-mobs)
-  (set! loop-flag #t)
-  (init-video 640 480 32)
-  (while loop-flag
-	 (init-frame-time)
-;	    (check-connections)
-	 (process-events)
-	 (cond ((not (quit?))
-		(clear-screen)
-		(to-origin)
-;		   (refresh-active-mobs)
-		(if (procedure? game-code)
-		    (catch #t
-			   (lambda () (game-code))
-			   (lambda (key . args) #f)))
-;			  (run-mobs)
-		(flip-screen)
-		(delay-frame))))
-  (quit-video))
-
-(define (game-running?)
-  loop-flag)
-
-(define (set-game-code game-function)
-  (set! game-code game-function))
+(export entity
+	get-entity)