1 ;;; Gacela, a GNU Guile 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/>.
18 (use-modules (srfi srfi-1))
22 (define-macro (define-action action-def . code)
23 `(define (,name mob-attr)
26 (define-macro (define-action2 name attr . code)
27 `(define (,name mob-attr)
30 ,(cons 'begin (map #'attribute-save (reverse attr)))
37 (define-macro (makemob name . methods)
38 `(define* (,name . args)
39 (let ((option (car args)))
43 (:off (mob-off ',name)))
45 (let ((option (car m)) (body (cadr m)))
47 (else (cons (list option `(apply ,body (cdr args))) (options (cddr m)))))))
50 (define-macro (makemob name . methods)
52 (cond ((null? m) '((else #f)))
54 (let ((option (caar m)) (body (cadar m)))
55 (cons `((,option) (apply ,body (cdr args))) (options (cdr m)))))))
56 (let ((m (options methods)))
57 `(define (,name . args)
58 (let ((option (car args)))
60 ((#:on) (mob-on ',name))
61 ((#:off) (mob-off ',name))
68 (define refresh-running-mobs #f)
69 (define quit-all-mobs #f)
71 (let ((running-mobs '()) (mobs-to-add '()) (mobs-to-quit '()))
74 (push mob mobs-to-add)))
77 (lambda* (option #:key args function)
78 (define (run-mobs-rec mobs)
79 (cond ((null? mobs) #f)
81 (cond (function (function)))
82 (catch #t (lambda () (apply (car mobs) (cons option args))) (lambda (key . args) #f))
83 (or #t (run-mobs-rec (cdr mobs))))))
84 (run-mobs-rec running-mobs)))
88 (push mob mobs-to-quit)))
90 (set! refresh-running-mobs
92 (do ((mob (pop mobs-to-add) (pop mobs-to-add))) ((null? mob))
93 (push mob running-mobs)
94 (catch #t (lambda () (mob #:init)) (lambda (key . args) #f)))
95 (set! running-mobs (reverse (lset-difference eq? running-mobs mobs-to-quit)))
96 (set! mobs-to-quit '())))
100 (set! running-mobs '())
101 (set! mobs-to-add '())
102 (set! mobs-to-quit '()))))
108 (define (render-mobs)
109 (run-mobs #:render #:function (lambda () (glLoadIdentity))))