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[gacela.git] / gacela_objects.lisp

diff --git a/gacela_objects.lisp b/gacela_objects.lisp
deleted file mode 100755 (executable)
index 178c4ac..0000000
--- a/gacela_objects.lisp
+++ /dev/null
@@ -1,113 +0,0 @@
-;;; Gacela, a GNU Common Lisp extension for fast games development
-;;; Copyright (C) 2009 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
-;;; the Free Software Foundation, either version 3 of the License, or
-;;; (at your option) any later version.
-;;;
-;;; This program is distributed in the hope that it will be useful,
-;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;;; GNU General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
-(eval-when (compile load eval)
-          (when (not (find-package 'gacela)) (make-package 'gacela :nicknames '(gg) :use '(lisp)))
-          (in-package 'gacela :nicknames '(gg) :use '(lisp)))
-
-
-;;; Behaviours of objects
-
-(defmacro make-behaviour (name attr &rest code)
-  `(defun ,(get-behaviour-fun-name name) (object-attr)
-     (let ,(mapcar #'attribute-definition attr)
-       ,@code
-       ,(cons 'progn (mapcar #'attribute-save (reverse attr)))
-       object-attr)))
-
-(defun get-behaviour-fun-name (name)
-  (intern (concatenate 'string "BEHAVIOUR-" (string-upcase (string name))) 'gacela))
-
-(defun attribute-name (attribute)
-  (intern (string attribute) 'keyword))
-
-(defun attribute-definition (attribute)
-  (let* ((name (cond ((listp attribute) (car attribute))
-                    (t attribute)))
-        (pname (attribute-name name))
-        (value (cond ((listp attribute) (cadr attribute)))))
-    `(,name (getf object-attr ,pname ,value))))
-
-(defun attribute-save (attribute)
-  (let* ((name (cond ((listp attribute) (car attribute))
-                    (t attribute)))
-        (pname (attribute-name name)))
-    `(setf (getf object-attr ,pname) ,name)))
-
-
-
-;;; Objects Factory
-
-(let (active-objects objects-to-add objects-to-kill)
-  (defun add-object (object)
-    (pushnew object objects-to-add))
-
-  (defun kill-object (object)
-    (pushnew object objects-to-kill))
-
-  (defun kill-all-objects ()
-    (setq active-objects nil objects-to-add nil objects-to-kill nil))
-
-  (defun refresh-active-objects ()
-    (cond (objects-to-add
-          (setq active-objects (union active-objects objects-to-add))
-          (setq objects-to-add nil)))
-    (cond (objects-to-kill
-          (setq active-objects (reverse (set-difference active-objects objects-to-kill)))
-          (setq objects-to-kill nil))))
-
-  (defun bhv-objects ()
-    (dolist (o active-objects) (funcall o :action)))
-
-  (defun render-objects ()
-    (dolist (o active-objects) (funcall o :render))))
-
-
-(defmacro make-object (name attr bhv &body look)
-  `(progn
-     (let ((attr ,(cond (attr (cons 'list (make-object-attributes attr)))))
-          (bhv ,(cond (bhv (cons 'list (make-object-behaviour bhv))))))
-       (defun ,name (option &rest param)
-        (case option
-              (:action (dolist (b bhv t) (setq attr (funcall (get-behaviour-fun-name b) attr))))
-              (:get-attr attr)
-              (:get-bhv bhv)
-              (:set-bhv (setq bhv (car param)))
-              (:render (glPushMatrix)
-                       ,@(mapcar (lambda (x) (if (stringp x) `(draw-image ,x) x)) look)
-                       (glPopMatrix)))))
-     (add-object ',name)
-     ',name))
-
-(defun make-object-attributes (attr)
-  (cond ((or (null attr) (atom attr)) nil)
-       (t (let ((rest (make-object-attributes (cdr attr)))
-                (this (object-attribute-definition (car attr))))
-            (setf (getf rest (car this)) (cadr this))
-            rest))))
-
-(defun object-attribute-definition (attribute)
-  (let* ((name (cond ((listp attribute) (car attribute))
-                    (t attribute)))
-        (pname (attribute-name name))
-        (value (cond ((listp attribute) (cadr attribute)))))
-    `(,pname ,value)))
-
-(defun make-object-behaviour (bhv)
-  (cond ((null bhv) nil)
-       ((atom bhv) (list bhv))
-       (t bhv)))