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+;;;; Copyright (C) 2018 Jakob L. Kreuze, All Rights Reserved.
+;;;;
+;;;; This file is part of swanky.
+;;;;
+;;;; swanky is free software: you can redistribute it and/or modify it under the
+;;;; terms of the GNU General Public License as published by the Free Software
+;;;; Foundation, either version 3 of the License, or (at your option) any later
+;;;; version.
+;;;;
+;;;; swanky 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 General Public License for more
+;;;; details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License along
+;;;; with swanky. If not, see <http://www.gnu.org/licenses/>.
+
+;;;; ---
+
+;;;; This module contains non-game-specific bits and mode-changing logic.
+
+(global canvas-width 640)
+(global canvas-height 480)
+
+(local canvas (love.graphics.newCanvas 640 480))
+(local font (love.graphics.newImageFont "art/font.png"
+                                        (.. " !\"#$%&*()*+,-./"
+                                            "0123456789"
+                                            ":;<=>?@"
+                                            "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                                            "abcdefghijklmnopqrstuvwxyz"
+                                            "[\\]^_`{|}~")))
+
+(var scale 2)
+(var mode (require :sandbox))
+
+(fn set-mode [mode-name ...]
+  (set mode (require mode-name))
+  (when mode.activate
+    (mode.activate ...)))
+
+(fn love.load []
+  (: canvas :setFilter "nearest" "nearest")
+  (love.graphics.setFont font))
+
+(fn love.draw []
+  (love.graphics.setCanvas canvas)
+  (love.graphics.clear)
+  (love.graphics.setColor 1 1 1)
+  (mode.draw)
+  (love.graphics.setCanvas)
+  (love.graphics.setColor 1 1 1)
+  (love.graphics.draw canvas 0 0 0 scale scale))
+
+(fn love.update [dt]
+  (mode.update dt set-mode))
+
+(fn love.keypressed [key]
+  (if (and (= key "f11") (= scale 2))
+    (let [(dw dh) (love.window.getDesktopDimensions)]
+      (love.window.setMode dw dh {:fullscreen true :fullscreentype :desktop})
+      (set scale (/ dh 225)))
+
+    (= key "f11")
+    (do (set scale 2) (love.window.setMode (* 720 scale) (* 450 scale)))
+
+    (and (love.keyboard.isDown "lctrl" "rctrl" "capslock") (= key "q"))
+    (love.event.quit)
+
+    (love.keyboard.isDown "m")
+    (sound.toggle)
+
+    :else
+    (mode.keypressed key set-mode)))