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;;; guile-2d
;;; Copyright (C) 2013 David Thompson <dthompson2@worcester.edu>
;;;
;;; Guile-2d is free software: you can redistribute it and/or modify it
;;; under the terms of the GNU Lesser General Public License as
;;; published by the Free Software Foundation, either version 3 of the
;;; License, or (at your option) any later version.
;;;
;;; Guile-2d is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;; Lesser General Public License for more details.
;;;
;;; You should have received a copy of the GNU Lesser General Public
;;; License along with this program. If not, see
;;; <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Game data structure.
;;
;;; Code:
(define-module (2d private game)
#:use-module (srfi srfi-9)
#:use-module (2d observer))
;;;
;;; Scenes
;;;
(define-record-type <scene>
(%make-scene title observer update-proc draw-proc state)
scene?
(title scene-title)
(observer scene-observer)
(update-proc scene-update-proc)
(draw-proc scene-draw-proc)
(state scene-state))
(define (scene-trigger scene event-type . args)
"Trigger an event on the scene observer."
(apply observer-trigger
(scene-observer scene)
event-type
(scene-state scene)
args))
(define (draw-scene scene)
"Draw SCENE."
((scene-draw-proc scene) (scene-state scene)))
(define (update-scene scene)
"Update SCENE."
((scene-update-proc scene) (scene-state scene)))
(export <scene>
%make-scene
scene?
scene-title
scene-observer
scene-update-proc
scene-draw-proc
scene-state
scene-trigger
update-scene
draw-scene)
;;;
;;; Games
;;;
(define-record-type <game>
(%make-game title resolution fullscreen first-scene)
game?
(title game-title)
(resolution game-resolution)
(fullscreen game-fullscreen?)
(first-scene game-first-scene))
(export <game>
%make-game
game?
game-title
game-resolution
game-fullscreen?
game-first-scene)
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