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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 game)
+ #:use-module (srfi srfi-9)
+ #:use-module (2d game-loop)
+ #:use-module (2d window)
+ #:use-module (2d vector2)
+ #:export (<game>
+ make-game
+ define-game
+ game?
+ game-title
+ game-resolution
+ game-fullscreen?
+ game-first-scene
+ run-game))
+
+(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))
+
+(define* (make-game #:optional #:key
+ (title "A Guile-2D Game")
+ (resolution (vector2 640 480))
+ (fullscreen #f)
+ (first-scene #f))
+ "Return a new game. All game properties have some reasonable default
+value."
+ (%make-game title resolution fullscreen first-scene))
+
+(define-syntax-rule (define-game name kwargs ...)
+ "Syntactic sugar for define and make-game."
+ (define name (make-game kwargs ...)))
+
+(define (run-game game)
+ "Open a window and start playing GAME."
+ (open-window (game-title game)
+ (game-resolution game)
+ (game-fullscreen? game))
+ (run-game-loop)
+ (close-window))