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/>.
20 (define show-mob-hash #f)
21 (define hide-mob-hash #f)
22 (define get-active-mobs #f)
23 (define mobs-changed? #f)
25 (let ((active-mobs (make-hash-table)) (changed #f))
28 (hash-set! active-mobs key mob)
37 (lambda* (#:optional (refreshed #t))
38 (set! changed (not refreshed))
39 (hash-map->list (lambda (k v) v) active-mobs)))
45 (define-macro (show-mob mob)
46 `(show-mob-hash ',mob (lambda (option) (,mob option))))
48 (define-macro (hide-mob mob)
49 `(hide-mob-hash ',mob))
51 (define (process-mobs mobs)
52 (for-each (lambda (m) (m #:render)) mobs))
54 (define-macro (lambda-look . look)
55 (define (process-look look)
56 (cond ((null? look) (values '() '()))
58 (let ((line (car look)))
59 (receive (lines images) (process-look (cdr look))
62 (values (cons `(draw-texture ,var) lines)
63 (cons `(,var (load-texture ,line)) images))))
65 (values (cons line lines)
68 (receive (look-lines look-images) (process-look look)
75 (define-macro (define-mob mob-head . look)
76 (let ((name (car mob-head)) (attr (cdr mob-head)))
78 (lambda-mob ,attr ,@look))))
80 (define-macro (lambda-mob attr . look)
83 (let ((attr ',attr) (actions '()) (renders '()))
84 (lambda (option . params)
89 (if (not (null? params)) (set! attr (car params))))))))
90 (cond ((not (null? ',look))