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authorDavid Thompson <dthompson@member.fsf.org>2013-09-02 09:05:20 -0400
committerDavid Thompson <dthompson@member.fsf.org>2013-09-06 00:09:29 -0400
commitf55eda46158010a533f7d69f63caa206ba408de1 (patch)
tree73d8590d9215e8b759926a00f4d49f99bd61ccf6 /2d
parent68a4a1ebd2f8286bc6190bdce976a1828da3aa8a (diff)
Create (2d game) module.
Diffstat (limited to '2d')
-rw-r--r--2d/game.scm66
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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))