irrlicht/irr.scm

   1 ;;; guile-irrlicht --- FFI bindings for Irrlicht Engine
   2 ;;; Copyright (C) 2020 Javier Sancho <jsf@jsancho.org>
   3 ;;;
   4 ;;; This file is part of guile-irrlicht.
   5 ;;;
   6 ;;; Guile-irrlicht is free software; you can redistribute it and/or modify
   7 ;;; it under the terms of the GNU Lesser General Public License as
   8 ;;; published by the Free Software Foundation; either version 3 of the
   9 ;;; License, or (at your option) any later version.
  10 ;;;
  11 ;;; Guile-irrlicht is distributed in the hope that it will be useful, but
  12 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 ;;; General Public License for more details.
  15 ;;;
  16 ;;; You should have received a copy of the GNU Lesser General Public
  17 ;;; License along with guile-irrlicht.  If not, see
  18 ;;; <http://www.gnu.org/licenses/>.
  19
  20
  21 (define-module (irrlicht irr)
  22   #:use-module (oop goops)
  23   #:use-module (irrlicht base)
  24   #:use-module (irrlicht foreign)
  25   #:export (<reference-counted>
  26             <irrlicht-device>
  27             create-device
  28             set-window-caption!))
  29
  30
  31 ;; IReferenceCounted
  32 (define-class <reference-counted> (<irrlicht-base>))
  33
  34
  35 ;; IEventReceiver
  36 (define-class <event-receiver> (<irrlicht-base>))
  37
  38
  39 ;; IrrlichtDevice
  40 (define-class <irrlicht-device> (<reference-counted>))
  41
  42 (define* (create-device #:key
  43                         (device-type 'software)
  44                         (window-size '(640 480))
  45                         (bits 16)
  46                         (fullscreen #f)
  47                         (stencilbuffer #f)
  48                         (vsync #f)
  49                         (receiver (make <event-receiver>)))
  50   (if (not (is-a? receiver <event-receiver>))
  51       (error
  52        "In procedure create-device: Wrong type argument (expecting <event-receiver>):"
  53        receiver))
  54
  55   (make <irrlicht-device>
  56     #:irr-pointer
  57     (irr_createDevice
  58      device-type
  59      window-size
  60      bits
  61      fullscreen
  62      stencilbuffer
  63      vsync
  64      (irr-pointer receiver))))
  65
  66 (define-method (set-window-caption! (device <irrlicht-device>) text)
  67   (irr_IrrlichtDevice_setWindowCaption
  68    (irr-pointer device)
  69    text))