1 ;;; Gacela, a GNU Common Lisp extension for fast games development
2 ;;; Copyright (C) 2009 by Javier Sancho Fernandez <jsf at jsancho dot org>
4 ;;; This program is free software: you can redistribute it and/or modify
5 ;;; it under the terms of the GNU General Public License as published by
6 ;;; the Free Software Foundation, either version 3 of the License, or
7 ;;; (at your option) any later version.
9 ;;; This program is distributed in the hope that it will be useful,
10 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ;;; GNU General Public License for more details.
14 ;;; You should have received a copy of the GNU General Public License
15 ;;; along with this program. If not, see <http://www.gnu.org/licenses/>.
22 (defmacro makemob (name &rest methods)
23 `(defun ,name (&rest args &aux (option (car args)))
26 (:on (mob-on #',name))
27 (:off (mob-off #',name)))
28 (labels ((options (m &aux (option (car m)) (body (cadr m)))
30 (t (cons (list option `(apply ,body (cdr args))) (options (cddr m)))))))
33 (defmacro defmob (name variables &key init logic render)
34 `(let ((make-name ',(intern (concatenate 'string "MAKE-" (string name)))))
35 (setf (symbol-function make-name)
36 (makemob ,variables :init ,init :logic ,logic :render ,render))
39 ;(defmacro makemob (variables &key init logic render)
41 ; ,(if (null variables) () (cons '&key variables))
42 ; (mob-structure ,variables ,init ,logic ,render)))
44 (defmacro mob-structure (variables init logic render)
46 :init (lambda () ,init)
47 :logic (lambda () ,logic)
48 :render (lambda () ,render)
52 ',(mapcar #'car+ variables)
54 (values-list ,(cons 'list (mapcar #'car+ variables)))))
58 (funcall (getf mob :init)))
60 (defun logic-mob (mob)
61 (funcall (getf mob :logic)))
63 (defun render-mob (mob)
64 (funcall (getf mob :render)))
66 (let (running-mobs mobs-to-add mobs-to-quit)
68 (push mob mobs-to-add))
71 (push mob mobs-to-quit)))