X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgacela.scm;h=7fb242fdb94561afce498a328e8629105bed7e03;hb=929ba6a645c92ebea58c8c93c412197b56aa775f;hp=2945ec65adf616f97777f0ab4591ec11bc036ccf;hpb=827ea62c5ac99b2da990a7dba315eadf45f51d69;p=gacela.git

diff --git a/src/gacela.scm b/src/gacela.scm
index 2945ec6..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
@@ -16,153 +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
-	    *title*
-	    *width-screen*
-	    *height-screen*
-	    *bpp-screen*
-	    *frames-per-second*
-	    *mode*
-	    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)))))))))
 
 
-;;; Main Loop
+(define (get-entity key)
+  (with-mutex entities-mutex
+   (assoc key game-entities)))
 
-(define loop-flag #f)
-(define game-code #f)
-(define game-loop-thread #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-macro (run-in-game-loop . code)
-  `(if game-loop-thread
-       (system-async-mark (lambda () ,@code) game-loop-thread)
-       (begin ,@code)))
-
-(define (init-gacela)
-  (set! game-loop-thread (call-with-new-thread (lambda () (game)))))
-
-(define (quit-gacela)
-  (set! game-loop-thread #f)
-  (set! loop-flag #f))
-
-(define (game-loop)
-;	  (refresh-active-mobs)
-  (set! loop-flag #t)
-  (init-video *width-screen* *height-screen* *bpp-screen* #:title *title* #:mode *mode* #:fps *frames-per-second*)
-  (while loop-flag
-	 (init-frame-time)
-;	    (check-connections)
-	 (process-events)
-	 (cond ((quit-signal?)
-		(quit-gacela))
-	       (else
-		(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))
-
-
-;;; Game Properties
-
-(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
-      (run-in-game-loop (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)))
-	(run-in-game-loop (resize-screen width height))))
-  (if fps
-      (set-frames-per-second! fps))
-  (if mode
-      (if (eq? mode '3d) (set-3d-mode) (set-2d-mode))))
-
-(define (get-game-properties)
-  `((title . ,(get-screen-title)) (width . ,(get-screen-width)) (height . ,(get-screen-height)) (bpp . ,(get-screen-bpp)) (fps . ,(get-frames-per-second)) (mode . ,(if (3d-mode?) '3d '2d))))
+(export entity
+	get-entity)