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;;; guile-sdl3 -- Scheme bindings for SDL3
;;; Copyright © 2024 David Thompson <dthompson2@worcester.edu>
;;;
;;; Licensed under the Apache License, Version 2.0 (the "License");
;;; you may not use this file except in compliance with the License.
;;; You may obtain a copy of the License at
;;;
;;; http://www.apache.org/licenses/LICENSE-2.0
;;;
;;; Unless required by applicable law or agreed to in writing, software
;;; distributed under the License is distributed on an "AS IS" BASIS,
;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;;; See the License for the specific language governing permissions and
;;; limitations under the License.
;;; Commentary:
;;
;; SDL3 initialization and shutdown.
;;
;;; Code:
(define-module (sdl3)
#:use-module (ice-9 match)
#:use-module (sdl3 bindings init)
#:use-module (sdl3 errors)
#:use-module (srfi srfi-1)
#:use-module (system foreign)
#:export (sdl-init
sdl-quit))
(define* (sdl-init #:optional (subsystems '(audio video joystick haptic gamepad events sensor camera)))
"Initialize SDL @var{subsystems}, a list of symbols. By default, all
subsystems are initialized.
Valid subsystem names are:
@itemize
@item @code{audio}
@item @code{video}
@item @code{joystick}
@item @code{haptic}
@item @code{gamepad}
@item @code{events}
@item @code{sensor}
@item @code{camera}
@end itemize"
(sdl-assert 'sdl-init
(SDL_Init
(fold (lambda (name prev)
(logior (match name
('audio SDL_INIT_AUDIO)
('video SDL_INIT_VIDEO)
('joystick SDL_INIT_JOYSTICK)
('haptic SDL_INIT_HAPTIC)
('gamepad SDL_INIT_GAMEPAD)
('events SDL_INIT_EVENTS)
('sensor SDL_INIT_SENSOR)
('camera SDL_INIT_CAMERA)
(_ (raise (make-sdl-error 'sdl-init
#:message "invalid subsystem name"
#:irritants (list name)))))
prev))
0 subsystems))))
(define (sdl-quit)
"Clean up all initialized subsystems."
(SDL_Quit))
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