From f55eda46158010a533f7d69f63caa206ba408de1 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson@member.fsf.org>
Date: Mon, 2 Sep 2013 09:05:20 -0400
Subject: Create (2d game) module.

---
 2d/game.scm | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 2d/game.scm

diff --git a/2d/game.scm b/2d/game.scm
new file mode 100644
index 0000000..e20638c
--- /dev/null
+++ b/2d/game.scm
@@ -0,0 +1,66 @@
+;;; 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))
-- 
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